CA2490174A1 - Gas separation devices - Google Patents
Gas separation devices Download PDFInfo
- Publication number
- CA2490174A1 CA2490174A1 CA002490174A CA2490174A CA2490174A1 CA 2490174 A1 CA2490174 A1 CA 2490174A1 CA 002490174 A CA002490174 A CA 002490174A CA 2490174 A CA2490174 A CA 2490174A CA 2490174 A1 CA2490174 A1 CA 2490174A1
- Authority
- CA
- Canada
- Prior art keywords
- chamber
- containing body
- fluid
- aperture
- guide element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
- B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
- B01D19/0057—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
- A61M1/342—Adding solutions to the blood, e.g. substitution solutions
- A61M1/3424—Substitution fluid path
- A61M1/3437—Substitution fluid path downstream of the filter, e.g. post-dilution with filtrate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
- A61M1/3641—Pressure isolators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3672—Means preventing coagulation
- A61M1/3676—Means preventing coagulation by interposing a liquid layer between blood and air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3382—Upper level detectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2206/00—Characteristics of a physical parameter; associated device therefor
- A61M2206/10—Flow characteristics
- A61M2206/16—Rotating swirling helical flow, e.g. by tangential inflows
Abstract
A description is given of a gas separation device for a physiological fluid, comprising a containing body (6) having at least a first inlet aperture (7) for a physiological fluid, positioned with a tangential direction of access, at least one outlet aperture (9) for the said fluid, spaced apart from the said inlet aperture, and a guide element (17) housed within the said body. T he guide element (17) has a continuous active surface (15) designed to contact and guide the said fluid and delimits, together with the containing body (6) , a first annular chamber (20) into which the first inlet aperture (7) opens directly.
Claims (66)
1. Gas separation device for a physiological fluid, comprising:
- a containing body having an internal active surface and having at least a first inlet aperture for a physiological fluid, positioned with a tangential direction of access, and at least one outlet aperture for the said fluid, spaced apart from the said inlet aperture; characterized in that it comprises:
- a guide element housed at least partially within the said body and having a continuous active surface designed to contact and guide the said fluid;
- a first annular chamber formed between the active surface of the said guide element and the internal active surface of the said containing body.
- a containing body having an internal active surface and having at least a first inlet aperture for a physiological fluid, positioned with a tangential direction of access, and at least one outlet aperture for the said fluid, spaced apart from the said inlet aperture; characterized in that it comprises:
- a guide element housed at least partially within the said body and having a continuous active surface designed to contact and guide the said fluid;
- a first annular chamber formed between the active surface of the said guide element and the internal active surface of the said containing body.
2. Device according to claim 1, characterized in that the said inlet aperture opens directly into the said first chamber.
3. Device according to claim 1, characterized in that the said guide element is wholly housed within the containing body, extends coaxially with the latter and is spaced axially apart from the said outlet aperture.
4. Device according to claim 3, characterized in that the active surfaces of the said containing body and of the said guide element face each other and are shaped in the form of surfaces of revolution about a common axis of symmetry which is transverse with respect to the tangential direction of access of the said flow.
5. Device according to claim 1, characterized in that the said outlet aperture is positioned in a lower end of the said containing body, the said guide element and the said first chamber extending above the said outlet aperture.
6. Device according to claim 1, characterized in that the said guide element is a solid or internally hollow solid of rotation, designed to reduce the volume of at least the said first chamber.
7. Device according to claim 1, characterized in that the said guide element comprises:
- a central portion;
- a first terminal portion, facing towards the said outlet aperture; and - a second terminal portion, axially opposed to the first terminal portion and facing towards a second chamber extending above the said guide element.
- a central portion;
- a first terminal portion, facing towards the said outlet aperture; and - a second terminal portion, axially opposed to the first terminal portion and facing towards a second chamber extending above the said guide element.
8. Device according to claim 7, characterized in that the first terminal portion has a cross section whose radial dimension is reduced progressively towards the said outlet aperture.
9. Device according to Claim 8, characterized in that the said first terminal portion has a conical shape with its vertex facing towards the outlet aperture.
10. Device according to Claim 7, characterized in that the second terminal portion has a cross section whose radial dimension is reduced progressively away from the said outlet aperture.
11. Device according to Claim 10, characterized in that the said second terminal portion has a conical shape with its vertex opposed to the outlet aperture.
12. Device according to Claim 7, characterized in that the central portion has a cross section with a radial dimension which is reduced progressively away from the said terminal portions, to form an intermediate area having a minimum radial dimension.
13. Device according to Claim 12, characterized in that the central portion has a curved profile in longitudinal section.
14. Device according to Claim 7, characterized in that the said active surface of the containing body has:
- a first area, of maximum radial dimension, extending around the central portion of the guide element;
- a second area, whose radial dimension is reduced progressively towards the outlet aperture, the second area extending consecutively to the first area and essentially around the first terminal portion of the guide element;
- a third area, whose radial dimension is reduced progressively away from the outlet aperture, the third area extending consecutively to the first area and essentially around the second terminal portion of the guide element.
- a first area, of maximum radial dimension, extending around the central portion of the guide element;
- a second area, whose radial dimension is reduced progressively towards the outlet aperture, the second area extending consecutively to the first area and essentially around the first terminal portion of the guide element;
- a third area, whose radial dimension is reduced progressively away from the outlet aperture, the third area extending consecutively to the first area and essentially around the second terminal portion of the guide element.
15. Device according to Claim 14, characterized in that the first inlet aperture opens into the said first chamber, in the said intermediate first area of the active surface of the containing body.
16. Device according to Claim 14, characterized in that the first area of the active surface has a constant radius.
17. Device according to Claim 1, characterized in that the said containing body comprises a second inlet aperture located above the said first inlet aperture and designed to convey a second fluid into the containing body.
18. Device according to Claim 17, characterized in that it comprises a second chamber extending above the said
19 guide element, in an axially consecutive position and in fluid communication with the said first chamber and with the said second inlet aperture.
19. Device according to Claim 18, characterized in that the said second inlet aperture opens directly into the said second chamber, preferably in a direction parallel to, and staggered with respect to, that of the said first inlet aperture.
19. Device according to Claim 18, characterized in that the said second inlet aperture opens directly into the said second chamber, preferably in a direction parallel to, and staggered with respect to, that of the said first inlet aperture.
20. Device according to Claim 18, characterized in that the said containing body includes a third chamber, which is axially consecutive to the said second chamber and which is designed to contain the gas separated from the said fluids, the said third chamber extending in the top of the said containing body.
21. Device according to Claim 20, characterized in that it comprises at least one service line having a first end which is brought into fluid communication with the said third chamber by means of a fourth aperture formed in the said containing body.
22. Device according to Claim 21, characterized in that it comprises at least one pressure sensor element associated for operation with the said service line.
23. Device according to Claim 2l, characterized in that it comprises at least one hydrophobic membrane associated for operation with an intermediate area of the service line.
24. Device according to Claim 21, characterized in that the third chamber has a nominal volume V c delimited below by a theoretical maximum level line BL and above by the said fourth aperture.
25. Device according to Claim 21, comprising a pneumatic circuit operating in the said service line, for selectively sending gas to the service line and drawing gas from it.
26. Device according to Claim 25, comprising a liquid level sensor LLS located above a level BL, and a control unit connected to the sensor LLS and designed to control the said pneumatic circuit to maintain the liquid level in the vicinity of the said level BL.
27. Device according to Claim 26, in which the level sensor LLS operates in a section of the service line and in which the said control unit is designed to cause the execution of the following steps:
- determining whether LLS is signalling the presence of liquid, and, if so, executing the following sub-steps in sequence:
a) activation of the pneumatic circuit to drive towards the third chamber a volume V1, equal to the volume between the section in which LLS operates and the fourth aperture, b) activation of the pneumatic circuit to draw gas from the third chamber while LLS continues to signal the presence of liquid, c) activation of the pneumatic circuit to drive towards the third chamber a volume of liquid V2, equal to V1 + V c, where V c is the volume of the third chamber;
- if, on the other hand, LLS is not signalling the presence of liquid, executing the aforementioned three steps a), b) and c) at specified time intervals.
- determining whether LLS is signalling the presence of liquid, and, if so, executing the following sub-steps in sequence:
a) activation of the pneumatic circuit to drive towards the third chamber a volume V1, equal to the volume between the section in which LLS operates and the fourth aperture, b) activation of the pneumatic circuit to draw gas from the third chamber while LLS continues to signal the presence of liquid, c) activation of the pneumatic circuit to drive towards the third chamber a volume of liquid V2, equal to V1 + V c, where V c is the volume of the third chamber;
- if, on the other hand, LLS is not signalling the presence of liquid, executing the aforementioned three steps a), b) and c) at specified time intervals.
28. Device according to Claim 21, characterized in that it comprises at least one access site located in the said service line for manually drawing fluid from the said line or sending fluid into it.
29. Device according to Claim 26, characterized in that the level sensor LLS can operate on the said containing body.
30. Device according to Claim 1, characterized in that it comprises:
- a first line for sending the physiological fluid into the said containing body through the first inlet aperture, - a second line for sending a second fluid into the said containing body through a second inlet aperture, - a pump operating to create a flow along the first line, - a pump operating to create a flow along the second line, - a control unit programmed to control the pumps operating in the first and second lines and to ensure the constant presence in the containing body of a layer of the said second fluid whose thickness lies within. a specified range, this layer being located above the physiological fluid.
- a first line for sending the physiological fluid into the said containing body through the first inlet aperture, - a second line for sending a second fluid into the said containing body through a second inlet aperture, - a pump operating to create a flow along the first line, - a pump operating to create a flow along the second line, - a control unit programmed to control the pumps operating in the first and second lines and to ensure the constant presence in the containing body of a layer of the said second fluid whose thickness lies within. a specified range, this layer being located above the physiological fluid.
31. Fluid mixing device with gas separation, comprising a containing body having an internal active surface and having at least one first inlet aperture for a physiological fluid, and at least one fluid outlet aperture, spaced apart from the said first inlet aperture, characterized in that the containing body has at least one second inlet aperture located above the said first inlet aperture and designed to convey a second fluid into the containing body to form a layer of the said second fluid above the said physiological fluid.
32. Device according to Claim 31, characterized in that the said containing body includes:
- at least a first chamber extending in a lower area of the containing body and in fluid communication with the said outlet aperture;
- at least a second chamber, extending in an axially consecutive upper area and in fluid communication with the said first chamber.
- at least a first chamber extending in a lower area of the containing body and in fluid communication with the said outlet aperture;
- at least a second chamber, extending in an axially consecutive upper area and in fluid communication with the said first chamber.
33. Device according to Claim 32, characterized in that the said containing body includes a third chamber, which is axially consecutive to the said second chamber and which is designed to contain the gas separated from the said fluids, the said third chamber extending in the top of the said containing body and having a fourth aperture.
34. Device according to Claim 33, characterized in that it comprises at least one service line having a first end which is brought into fluid communication with the said third chamber by means of the fourth aperture formed in the said containing body.
35. Device according to Claim 34, characterized in that it comprises at least one pressure sensor element associated for operation with the said service line.
36. Device according to Claim 35, characterized in that it comprises at least one hydrophobic membrane associated for operation with an intermediate area of the service line, between the fourth aperture and the pressure sensor element.
37. Device according to Claim 33, characterized in that the third chamber has a nominal volume V c delimited below by a theoretical maximum level line BL and above by the said fourth aperture.
38. Device according to Claim 34, comprising a pneumatic circuit for selectively sending gas to the service line and drawing gas from the line.
39. Device according to Claim 38, comprising a liquid level sensor LLS located above a level BL, and a control unit connected to the sensor LLS and designed to control the said pneumatic circuit to maintain the liquid level in the vicinity of the said level BL.
40. Device according to Claim 39, in which the said level sensor is located in the said service line and the said control unit is designed to cause the execution of the following steps:
- determining whether LLS is signalling the presence of liquid, and, if so, executing the following sub-steps in sequence:
a) activation of the pneumatic circuit to drive towards the third chamber a volume V 1, equal to the volume between the section in which LSS operates and the fourth aperture, b) activation of the pneumatic circuit to draw gas from the third chamber while LSS continues to signal the presence of liquid, c) activation of the pneumatic circuit to drive towards the third chamber a volume of liquid V2, equal to V1 + V c, where V c is the volume of the third chamber;
- if, on the other hand, LLS is not signalling the presence of liquid, executing the aforementioned three steps a), b) and c) at specified time intervals.
- determining whether LLS is signalling the presence of liquid, and, if so, executing the following sub-steps in sequence:
a) activation of the pneumatic circuit to drive towards the third chamber a volume V 1, equal to the volume between the section in which LSS operates and the fourth aperture, b) activation of the pneumatic circuit to draw gas from the third chamber while LSS continues to signal the presence of liquid, c) activation of the pneumatic circuit to drive towards the third chamber a volume of liquid V2, equal to V1 + V c, where V c is the volume of the third chamber;
- if, on the other hand, LLS is not signalling the presence of liquid, executing the aforementioned three steps a), b) and c) at specified time intervals.
41. Device according to Claim 34, characterized in that it comprises at least one access site located in the said service line for manually drawing fluid from the line or sending fluid to it.
42. Device according to Claim 39, characterized in that the level sensor LLS operates on the said containing body.
43. Device according to Claim 31, characterized in that it comprises:
- a first line for sending the physiological fluid into the said containing body through the first inlet aperture, - a second line for sending the second fluid into the said containing body through the second inlet aperture, - a pump operating to create a flow along the first line, - a pump operating to create a flow along the second line, - a programmable control unit for controlling the pumps operating in the first and second lines and for ensuring the constant presence in the containing body of a layer whose thickness lies within a specified range, this layer being located above the physiological fluid.
- a first line for sending the physiological fluid into the said containing body through the first inlet aperture, - a second line for sending the second fluid into the said containing body through the second inlet aperture, - a pump operating to create a flow along the first line, - a pump operating to create a flow along the second line, - a programmable control unit for controlling the pumps operating in the first and second lines and for ensuring the constant presence in the containing body of a layer whose thickness lies within a specified range, this layer being located above the physiological fluid.
44. Device according to Claim 43, characterized in that the control unit activates the pump operating in the said second line in a continuous or intermittent mode, to provide a specified flow rate at every specified time interval.
45. Device according to Claim 43, characterized in that it comprises a means for sensing the actual flow in the second line, this sensor means sending corresponding signals to the said control unit.
46. Device according to Claim 43, in which the thickness of the said layer is smaller than the maximum diameter of the internal surface of the containing body.
47. Device according to Claim 32, in which the said first inlet aperture opens directly into the said first chamber in a tangential direction of access, and in which the said second inlet aperture opens directly towards the said second chamber in a direction of access parallel to that of the said first aperture.
48. Device according to Claim 47, comprising a guide element housed at least partially within the said body and having a continuous active surface designed to contact and guide the said fluid, the said first chamber having an annular configuration and being formed between the active surface of the said element and the active surface of the containing body.
49. Device according to Claim 48, characterized in that the said guide element is wholly housed within the containing body, extends coaxially with the latter and is spaced axially apart from the said outlet aperture.
50. Device according to Claim 48, characterized in that the active surfaces of the said containing body and of the said guide element face each other and are shaped in the form of surfaces of revolution about a common axis of symmetry which is transverse with respect to the tangential direction of access of the said flow.
51. Device according to Claim 48, characterized in that the said outlet aperture is positioned in a lower end of the said containing body, the said guide element and the said first chamber extending above the said outlet aperture.
52. Device according to Claim 50, characterized in that the said guide element is a solid or internally hollow solid of rotation, designed to reduce the volume of at least the said first chamber.
53. Device according to Claim 48, characterized in that the said guide element comprises:
- a central portion;
- a first terminal portion, facing towards the said outlet aperture; and - a second terminal portion, axially opposed to the first terminal portion and facing towards the said second chamber.
- a central portion;
- a first terminal portion, facing towards the said outlet aperture; and - a second terminal portion, axially opposed to the first terminal portion and facing towards the said second chamber.
54. Device according to Claim 53, characterized in that the first terminal portion has a cross section whose radial dimension is reduced progressively towards the said outlet aperture.
55. Device according to Claim 54, characterized in that the said first terminal portion has a conical shape with its vertex facing towards the outlet aperture.
56. Device according to Claim 53, characterized in that the second terminal portion has a cross section whose radial dimension is reduced progressively away from the said outlet aperture.
57. Device according to Claim 56, characterized in that the said second terminal portion has a conical shape with its vertex opposed to the outlet aperture.
58. Device according to Claim 53, characterized in that the central portion has a cross section with a radial dimension which is reduced progressively away from the said terminal portions, to form an intermediate area having a minimum radial dimension.
59. Device according to Claim 58, characterized in that the central portion has a curved profile in longitudinal section.
60. Device according to Claim 53, characterized in that the said active surface of the containing body has:
- a first area, of maximum radial dimension, extending around the central portion of the guide element;
- a second area, whose radial dimension is reduced progressively towards the outlet aperture, the second area extending consecutively to the first area and essentially around the first terminal portion of the guide element;
- a third area, whose radial dimension is reduced progressively away from the outlet aperture, the third area extending consecutively to the first area and essentially around the second terminal portion of the guide element.
- a first area, of maximum radial dimension, extending around the central portion of the guide element;
- a second area, whose radial dimension is reduced progressively towards the outlet aperture, the second area extending consecutively to the first area and essentially around the first terminal portion of the guide element;
- a third area, whose radial dimension is reduced progressively away from the outlet aperture, the third area extending consecutively to the first area and essentially around the second terminal portion of the guide element.
61. Device according to Claim 60, characterized in that the first inlet aperture opens into the said first chamber, in the said intermediate first area.
62. Device according to Claim 60, characterized in that the first area of the active surface has a constant radius.
63. Fluid mixing method with gas separation, comprising the following steps:
- providing a containing body having an internal active surface and having at least a first inlet aperture, at least one fluid outlet aperture spaced apart from the said first inlet aperture, and at least a second inlet aperture located above the said first inlet aperture;
- sending a first physiological fluid into the containing body through the said first aperture;
- conveying a second fluid into the containing body through the said second aperture to form a layer of the said second fluid above the said physiological fluid;
- conveying a separated gas from the said first and second fluids above the said layer.
- providing a containing body having an internal active surface and having at least a first inlet aperture, at least one fluid outlet aperture spaced apart from the said first inlet aperture, and at least a second inlet aperture located above the said first inlet aperture;
- sending a first physiological fluid into the containing body through the said first aperture;
- conveying a second fluid into the containing body through the said second aperture to form a layer of the said second fluid above the said physiological fluid;
- conveying a separated gas from the said first and second fluids above the said layer.
64. Method according to Claim 63, characterized in that it comprises the steps of:
- measuring the flow rate of the said first fluid;
- measuring the flow rate of the said second fluid;
- regulating the flow rate of the said first and the said second fluid to provide a layer of the said second fluid with a thickness lying within a specified range.
- measuring the flow rate of the said first fluid;
- measuring the flow rate of the said second fluid;
- regulating the flow rate of the said first and the said second fluid to provide a layer of the said second fluid with a thickness lying within a specified range.
65. Method according to Claim 64, characterized in that the said second fluid is sent, in continuous or intermittent mode, in a direction of access to the containing body parallel to that of the said first fluid.
66. Method according to Claim 64, characterized in that the thickness of the said layer is kept below the maximum diameter of the internal surface of the containing body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2729519A CA2729519C (en) | 2002-06-24 | 2003-05-26 | Gas separation devices |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2002MI001389A ITMI20021389A1 (en) | 2002-06-24 | 2002-06-24 | MIXING DEVICE FOR FLUIDS WITH GAS SEPARATION |
ITMI2002A001390 | 2002-06-24 | ||
IT2002MI001390A ITMI20021390A1 (en) | 2002-06-24 | 2002-06-24 | GAS SEPARATION DEVICE FOR PHYSIOLOGICAL FLUIDS |
ITMI2002A001389 | 2002-06-24 | ||
PCT/IB2003/002281 WO2004000391A1 (en) | 2002-06-24 | 2003-05-26 | Gas separation devices |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2729519A Division CA2729519C (en) | 2002-06-24 | 2003-05-26 | Gas separation devices |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2490174A1 true CA2490174A1 (en) | 2003-12-31 |
CA2490174C CA2490174C (en) | 2011-04-19 |
Family
ID=30002072
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2729519A Expired - Lifetime CA2729519C (en) | 2002-06-24 | 2003-05-26 | Gas separation devices |
CA2490174A Expired - Lifetime CA2490174C (en) | 2002-06-24 | 2003-05-26 | Gas separation devices |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2729519A Expired - Lifetime CA2729519C (en) | 2002-06-24 | 2003-05-26 | Gas separation devices |
Country Status (10)
Country | Link |
---|---|
US (1) | US7517387B2 (en) |
EP (2) | EP2055331B1 (en) |
JP (1) | JP4358736B2 (en) |
KR (1) | KR100947006B1 (en) |
AT (1) | ATE426420T1 (en) |
AU (1) | AU2003233023B2 (en) |
CA (2) | CA2729519C (en) |
DE (1) | DE60326847D1 (en) |
ES (2) | ES2473627T3 (en) |
WO (1) | WO2004000391A1 (en) |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10224750A1 (en) | 2002-06-04 | 2003-12-24 | Fresenius Medical Care De Gmbh | Device for the treatment of a medical fluid |
US7204958B2 (en) | 2003-01-14 | 2007-04-17 | Medtronic, Inc. | Extracorporeal blood circuit air removal system and method |
US7201870B2 (en) | 2003-01-14 | 2007-04-10 | Medtronic, Inc. | Active air removal system operating modes of an extracorporeal blood circuit |
US7488448B2 (en) * | 2004-03-01 | 2009-02-10 | Indian Wells Medical, Inc. | Method and apparatus for removal of gas bubbles from blood |
US8029454B2 (en) | 2003-11-05 | 2011-10-04 | Baxter International Inc. | High convection home hemodialysis/hemofiltration and sorbent system |
US7935074B2 (en) * | 2005-02-28 | 2011-05-03 | Fresenius Medical Care Holdings, Inc. | Cassette system for peritoneal dialysis machine |
JP4839030B2 (en) * | 2005-07-06 | 2011-12-14 | テルモ株式会社 | Extracorporeal circulation device |
JP4839028B2 (en) * | 2005-07-06 | 2011-12-14 | テルモ株式会社 | Bubble removal device |
JP4839029B2 (en) * | 2005-07-06 | 2011-12-14 | テルモ株式会社 | Bubble removal device |
US8197231B2 (en) | 2005-07-13 | 2012-06-12 | Purity Solutions Llc | Diaphragm pump and related methods |
US7871391B2 (en) * | 2005-10-21 | 2011-01-18 | Fresenius Medical Care Holdings, Inc. | Extracorporeal fluid circuit |
DE102005058012B4 (en) | 2005-12-05 | 2008-08-21 | Fresenius Medical Care Deutschland Gmbh | A method for blowing out a wetted hydrophobic filter and apparatus for carrying out the method |
WO2008053287A1 (en) * | 2006-10-31 | 2008-05-08 | Ehud Milo | Extraction of gas from infused fluid |
DE102007036125A1 (en) * | 2007-08-01 | 2009-02-05 | Becker, Franz Ferdinand, Dr.-Ing. | Bloodline system for extracorporeal applications such as dialysis machines |
FR2920314B1 (en) * | 2007-09-05 | 2010-07-30 | Gambro Lundia Ab | EXTRACORPOREAL BLOOD TREATMENT CIRCUIT AND LINE HAVING INFUSION SITE FOR THE OPTIMIZED MIXING OF FLUIDS |
US7892197B2 (en) * | 2007-09-19 | 2011-02-22 | Fresenius Medical Care Holdings, Inc. | Automatic prime of an extracorporeal blood circuit |
WO2009039357A2 (en) | 2007-09-19 | 2009-03-26 | Fresenius Medical Care Holdings, Inc. | Dialysis systems and related components |
JP5295249B2 (en) | 2007-09-19 | 2013-09-18 | フレゼニウス メディカル ケア ホールディングス インコーポレーテッド | Extracorporeal medical fluid circuit component and apparatus including the component |
EP2372077A3 (en) * | 2007-09-26 | 2014-03-12 | Cameron International Corporation | Choke assembly |
US7892332B2 (en) * | 2007-10-01 | 2011-02-22 | Baxter International Inc. | Dialysis systems having air traps with internal structures to enhance air removal |
ES2376666T3 (en) * | 2007-10-04 | 2012-03-15 | Gambro Lundia Ab | INFUSION DEVICE. |
US8663463B2 (en) | 2009-02-18 | 2014-03-04 | Fresenius Medical Care Holdings, Inc. | Extracorporeal fluid circuit and related components |
US8192401B2 (en) * | 2009-03-20 | 2012-06-05 | Fresenius Medical Care Holdings, Inc. | Medical fluid pump systems and related components and methods |
DE102009030283A1 (en) | 2009-06-24 | 2011-01-05 | Fresenius Medical Care Deutschland Gmbh | Chamber for a blood treatment system, blood tube system and blood treatment system |
EP2453946B1 (en) | 2009-07-15 | 2013-02-13 | Fresenius Medical Care Holdings, Inc. | Medical fluid cassettes and related systems |
US8720913B2 (en) | 2009-08-11 | 2014-05-13 | Fresenius Medical Care Holdings, Inc. | Portable peritoneal dialysis carts and related systems |
US8753515B2 (en) | 2009-12-05 | 2014-06-17 | Home Dialysis Plus, Ltd. | Dialysis system with ultrafiltration control |
US9220832B2 (en) | 2010-01-07 | 2015-12-29 | Fresenius Medical Care Holdings, Inc. | Dialysis systems and methods |
US8500994B2 (en) | 2010-01-07 | 2013-08-06 | Fresenius Medical Care Holdings, Inc. | Dialysis systems and methods |
US8425780B2 (en) | 2010-03-11 | 2013-04-23 | Fresenius Medical Care Holdings, Inc. | Dialysis system venting devices and related systems and methods |
US8501009B2 (en) | 2010-06-07 | 2013-08-06 | State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University | Fluid purification system |
IT1400562B1 (en) * | 2010-06-18 | 2013-06-14 | Bellco Srl | DIALYSIS MACHINE INCLUDING A CASSETTE OF PERFECT TYPE. |
US8967852B2 (en) * | 2010-09-17 | 2015-03-03 | Delavan Inc | Mixers for immiscible fluids |
DE102010053973A1 (en) | 2010-12-09 | 2012-06-14 | Fresenius Medical Care Deutschland Gmbh | Medical device with a heater |
US8506684B2 (en) | 2010-12-15 | 2013-08-13 | Fresenius Medical Care Holdings, Inc. | Gas release devices for extracorporeal fluid circuits and related methods |
US9694125B2 (en) | 2010-12-20 | 2017-07-04 | Fresenius Medical Care Holdings, Inc. | Medical fluid cassettes and related systems and methods |
US8382711B2 (en) | 2010-12-29 | 2013-02-26 | Baxter International Inc. | Intravenous pumping air management systems and methods |
GB2486910B (en) * | 2010-12-30 | 2014-05-14 | Cameron Int Corp | Apparatus and method for fluid separation |
US9624915B2 (en) | 2011-03-09 | 2017-04-18 | Fresenius Medical Care Holdings, Inc. | Medical fluid delivery sets and related systems and methods |
MX341315B (en) | 2011-04-21 | 2016-08-12 | Fresenius Medical Care Holdings Inc | Medical fluid pumping systems and related devices and methods. |
EP2763719B1 (en) | 2011-10-07 | 2017-08-09 | Outset Medical, Inc. | Heat exchange fluid purification for dialysis system |
US9186449B2 (en) | 2011-11-01 | 2015-11-17 | Fresenius Medical Care Holdings, Inc. | Dialysis machine support assemblies and related systems and methods |
US9610392B2 (en) | 2012-06-08 | 2017-04-04 | Fresenius Medical Care Holdings, Inc. | Medical fluid cassettes and related systems and methods |
US9500188B2 (en) | 2012-06-11 | 2016-11-22 | Fresenius Medical Care Holdings, Inc. | Medical fluid cassettes and related systems and methods |
US9561323B2 (en) | 2013-03-14 | 2017-02-07 | Fresenius Medical Care Holdings, Inc. | Medical fluid cassette leak detection methods and devices |
US9433721B2 (en) | 2013-06-25 | 2016-09-06 | Fresenius Medical Care Holdings, Inc. | Vial spiking assemblies and related methods |
US10117985B2 (en) | 2013-08-21 | 2018-11-06 | Fresenius Medical Care Holdings, Inc. | Determining a volume of medical fluid pumped into or out of a medical fluid cassette |
ES2864727T3 (en) | 2014-04-29 | 2021-10-14 | Outset Medical Inc | Dialysis system and methods |
JP6517023B2 (en) | 2015-01-23 | 2019-05-22 | 日機装株式会社 | Blood purification device |
JP6416661B2 (en) * | 2015-03-03 | 2018-10-31 | 日機装株式会社 | Air trap chamber |
JP6605817B2 (en) * | 2015-03-03 | 2019-11-13 | 日機装株式会社 | Air trap chamber |
JP6724901B2 (en) * | 2015-03-23 | 2020-07-15 | ニプロ株式会社 | Mixing chamber |
JP6516559B2 (en) | 2015-05-21 | 2019-05-22 | 日機装株式会社 | Blood purification device |
US9974942B2 (en) | 2015-06-19 | 2018-05-22 | Fresenius Medical Care Holdings, Inc. | Non-vented vial drug delivery |
EP3315150B1 (en) | 2015-06-24 | 2020-12-09 | Nikkiso Co., Ltd. | Blood purifying device |
CN108472421B (en) | 2015-10-19 | 2021-08-03 | 康曼德公司 | Liquid-gas separator |
US9945838B2 (en) | 2015-12-17 | 2018-04-17 | Fresenius Medical Care Holdings, Inc. | Extracorporeal circuit blood chamber having an integrated deaeration device |
JP6111351B1 (en) | 2016-01-25 | 2017-04-05 | 日機装株式会社 | Blood purification equipment |
US10625009B2 (en) * | 2016-02-17 | 2020-04-21 | Baxter International Inc. | Airtrap, system and method for removing microbubbles from a fluid stream |
US11534537B2 (en) | 2016-08-19 | 2022-12-27 | Outset Medical, Inc. | Peritoneal dialysis system and methods |
JP6998112B2 (en) | 2016-09-12 | 2022-01-18 | 日機装株式会社 | Blood purification device |
JP6826852B2 (en) | 2016-09-23 | 2021-02-10 | 日機装株式会社 | Blood purification device |
DE102016122660A1 (en) * | 2016-11-24 | 2018-05-24 | B. Braun Avitum Ag | Medical air separator for use in blood treatments |
US20210196882A1 (en) | 2018-05-17 | 2021-07-01 | Gambro Lundia Ab | Treatment apparatus with gas separation device level controls and methods |
US20220126010A1 (en) * | 2019-02-28 | 2022-04-28 | Qidni Labs Inc. | Systems and methods of gas removal from a wearable device |
US11642459B2 (en) * | 2020-01-15 | 2023-05-09 | Becton, Dickinson And Company | System and method for air removal |
Family Cites Families (98)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2758597A (en) * | 1955-01-24 | 1956-08-14 | Cutter Lab | Blood transfusion apparatus |
US3631654A (en) * | 1968-10-03 | 1972-01-04 | Pall Corp | Gas purge device |
US3677248A (en) * | 1970-08-27 | 1972-07-18 | American Hospital Supply Corp | Surgical irrigation apparatus and method of using same |
FR2106918A5 (en) * | 1970-09-29 | 1972-05-05 | Rhone Poulenc Sa | |
US3939078A (en) * | 1974-04-19 | 1976-02-17 | Johnson & Johnson | Extracorporeal filter |
GB1506555A (en) * | 1974-05-24 | 1978-04-05 | Johnson & Johnson | Blood reservoir |
US3967620A (en) * | 1974-09-10 | 1976-07-06 | United States Surgical Corporation | Volume limiting chamber |
US3909045A (en) * | 1974-10-10 | 1975-09-30 | Gen Electric | Tubing joint for adhesive bonding |
US4083706A (en) * | 1974-10-25 | 1978-04-11 | Wiley Corless W | Sterile trap accessory for use with surgical aspirator |
US3964479A (en) * | 1974-11-20 | 1976-06-22 | Cobe Laboratories, Inc. | Extracorporeal blood circulation system and drip chamber with adjustable blood level |
US4198971A (en) * | 1975-05-21 | 1980-04-22 | United States Surgical Corporation | Drip chamber with air vent |
US4009107A (en) * | 1975-10-08 | 1977-02-22 | Baxter Laboratories, Inc. | Multi-level support member for use with semipermeable membrane |
US3993062A (en) * | 1975-11-03 | 1976-11-23 | Baxter Laboratories, Inc. | Hydrophobic valve |
US4030495A (en) * | 1975-11-07 | 1977-06-21 | Baxter Travenol Laboratories, Inc. | Twin check valve pump system having fail-safe characteristic |
US4231871A (en) * | 1977-06-10 | 1980-11-04 | Cordis Dow Corp. | Artificial kidney and method for making same |
US4379452A (en) * | 1977-10-18 | 1983-04-12 | Baxter Travenol Laboratories, Inc. | Prepackaged, self-contained fluid circuit module |
US4190426A (en) * | 1977-11-30 | 1980-02-26 | Baxter Travenol Laboratories, Inc. | Gas separating and venting filter |
US4227525A (en) * | 1978-03-30 | 1980-10-14 | Valleylab | Intravenous administration set |
US4256105A (en) * | 1979-02-28 | 1981-03-17 | Abbott Laboratories | Equipment sets having reduced diameter primary tube for the sequential administration of medical liquids at dual flow rates |
US4263808A (en) * | 1979-03-26 | 1981-04-28 | Baxter Travenol Laboratories, Inc. | Noninvasive pressure monitor |
NL7905463A (en) * | 1979-07-12 | 1981-01-14 | Noord Nederlandsche Maschf | PUMP. |
US4637813A (en) * | 1979-12-06 | 1987-01-20 | Baxter Travenol Laboratories, Inc. | Blood processing assembly including a prepackaged fluid circuit module |
US4526515A (en) * | 1979-12-06 | 1985-07-02 | Baxter Travenol Laboratories, Inc. | Fluid pumping assembly including a prepackaged fluid circuit module |
US4293413A (en) * | 1979-12-28 | 1981-10-06 | Baxter Travenol Laboratories, Inc. | Dialyzer blood circuit and bubble traps |
US4324662A (en) * | 1979-12-28 | 1982-04-13 | Baxter Travenol Laboratories, Inc. | Flow reversal in a dialyzer |
US4331540A (en) * | 1980-04-21 | 1982-05-25 | Baxter Travenol Laboratories, Inc. | Process for draining dialysate from artificial kidney |
CA1177718A (en) * | 1981-04-16 | 1984-11-13 | Masaru Kawahashi | Line for use in body fluid treatment |
US4412916A (en) | 1981-06-24 | 1983-11-01 | Cordis Dow Corp. | Airless artificial kidney assembly |
US4447230A (en) * | 1981-08-05 | 1984-05-08 | Quest Medical, Inc. | Intravenous administration set assembly |
DE3203954A1 (en) | 1982-02-05 | 1983-08-18 | Dr. Eduard Fresenius, Chemisch-pharmazeutische Industrie KG, 6380 Bad Homburg | DEVICE FOR REMOVING LIQUIDS FROM PARTICULARLY STERILY LOCKED VESSELS |
JPS58190447A (en) * | 1982-04-30 | 1983-11-07 | 株式会社クラレ | Pulse generating apparatus |
US4534757A (en) * | 1982-06-14 | 1985-08-13 | Alza Corporation | Device for releasing active ingredient, insertable in a system of parenteral administering the ingredient |
US4493706A (en) | 1982-08-12 | 1985-01-15 | American Hospital Supply Corporation | Linear peristaltic pumping apparatus and disposable casette therefor |
US4568330A (en) | 1983-06-02 | 1986-02-04 | Minnesota Mining And Manufacturing Company | Cardioplegia delivery system with improved bubble trap |
JPS59228849A (en) | 1983-06-10 | 1984-12-22 | テルモ株式会社 | Apparatus for removing air bubbles in liquid |
SE451541B (en) | 1983-06-30 | 1987-10-19 | Gambro Lundia Ab | EXTRACORPORAL BLOOD TREATMENT SYSTEM |
US4568366A (en) * | 1983-08-30 | 1986-02-04 | Baxter Laboratories, Inc. | In-line filter |
US4572724A (en) * | 1984-04-12 | 1986-02-25 | Pall Corporation | Blood filter |
US4571244A (en) * | 1984-05-07 | 1986-02-18 | Biogenesis, Inc. | System for removing gas bubbles from liquids |
SE458340B (en) | 1984-06-18 | 1989-03-20 | Gambro Lundia Ab | BLOOD FILTERING SYSTEM AND DROP AND / OR EXPANSION ROOMS INTENDED FOR THIS SYSTEM |
US4623333A (en) * | 1984-09-28 | 1986-11-18 | Fried Steven J | Fried-Grant rapid solution administration set with integral heat exchanger |
US4643713A (en) * | 1984-11-05 | 1987-02-17 | Baxter Travenol Laboratories, Inc. | Venous reservoir |
US4650454A (en) * | 1985-02-21 | 1987-03-17 | Moll Richard J | Roller for glue applying folding machines |
US4664800A (en) * | 1985-03-18 | 1987-05-12 | Burron Medical Inc. | Micron chamber I.V. with support ring |
GB8527646D0 (en) * | 1985-11-08 | 1985-12-11 | Cox J A | Devices for sampling drainage |
BE905615R (en) * | 1986-09-10 | 1987-04-17 | Hombrouckx Remi O J | METHOD AND EQUIPMENT FOR SINGLE NEEDLE MODIALYSIS. |
US4876012A (en) | 1986-09-12 | 1989-10-24 | Memtec Limited | Hollow fibre filter cartridge and header |
US4988342A (en) * | 1987-03-02 | 1991-01-29 | Atrium Medical Corporation | Improved fluid recovery system |
US4900308A (en) * | 1987-05-27 | 1990-02-13 | Level 1 Technologies, Inc. | Gas elimination device |
CA1311694C (en) | 1987-05-27 | 1992-12-22 | Wesley H. Verkaart | Gas elimination device in which gas exits through a permeable membrane |
US4806135A (en) * | 1988-03-01 | 1989-02-21 | Siposs George G | Bubble trap for phase-separating gas bubbles from flowing liquids |
US4886431A (en) * | 1988-04-29 | 1989-12-12 | Cole-Parmer Instrument Company | Peristaltic pump having independently adjustable cartridges |
US4950245A (en) * | 1988-07-08 | 1990-08-21 | I-Flow Corporation | Multiple fluid cartridge and pump |
DE8901513U1 (en) | 1988-08-20 | 1989-04-06 | Huebner, Karl-Alexander, 7500 Karlsruhe, De | |
DE3832028A1 (en) | 1988-09-21 | 1990-03-22 | Minh Bach Dr Ing Dr Med Quang | DEVICE FOR VENTING LIQUIDS FLOWING IN MEDICAL LIQUID SYSTEMS |
US5046509A (en) | 1988-12-30 | 1991-09-10 | Spacelabs, Inc. | Device for the conditioning, handling and measurement of blood |
JPH02182404A (en) | 1989-01-09 | 1990-07-17 | Hitachi Seiko Ltd | Punch press device |
US4932987A (en) * | 1989-05-25 | 1990-06-12 | Jorge Molina | Extra corporeal air eliminator |
US5126054A (en) * | 1990-05-24 | 1992-06-30 | Pall Corporation | Venting means |
US5578070A (en) * | 1992-04-30 | 1996-11-26 | Medisystems Technology Corporation | Blow molded venous drip chamber for hemodialysis |
CA2094102A1 (en) * | 1992-04-30 | 1993-10-31 | David S. Utterberg | Blood air trap chamber |
DE59403215D1 (en) | 1993-09-01 | 1997-07-31 | Fresenius Ag | Air separator |
US5503801A (en) * | 1993-11-29 | 1996-04-02 | Cobe Laboratories, Inc. | Top flow bubble trap apparatus |
AU7882694A (en) | 1993-11-29 | 1995-06-08 | Cobe Laboratories Inc. | Side flow bubble trap apparatus and method |
US5591251A (en) * | 1993-11-29 | 1997-01-07 | Cobe Laboratories, Inc. | Side flow bubble trap apparatus and method |
US5421815A (en) | 1993-12-14 | 1995-06-06 | Nof Corporation | Method for blood dialysis using anticoagulent composition |
US5427509A (en) * | 1993-12-22 | 1995-06-27 | Baxter International Inc. | Peristaltic pump tube cassette with angle pump tube connectors |
US5482440A (en) * | 1993-12-22 | 1996-01-09 | Baxter Int | Blood processing systems using a peristaltic pump module with valve and sensing station for operating a peristaltic pump tube cassette |
US5462416A (en) * | 1993-12-22 | 1995-10-31 | Baxter International Inc. | Peristaltic pump tube cassette for blood processing systems |
CA2142413A1 (en) * | 1994-02-15 | 1995-08-16 | Wesley H. Verkarrt | Vortex gas elimination device |
SE504247C2 (en) * | 1994-03-24 | 1996-12-16 | Gaevle Galvan Tryckkaerl Ab | Vessels for treating fluid |
US5632894A (en) * | 1994-06-24 | 1997-05-27 | Gish Biomedical, Inc. | Arterial blood filter with upwardly inclining delivery inlet conduit |
US5609571A (en) * | 1995-01-26 | 1997-03-11 | Sorin Biomedical Inc. | Apparatus and method of cardioplegia delivery |
US5591344A (en) * | 1995-02-13 | 1997-01-07 | Aksys, Ltd. | Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof |
US5667485A (en) * | 1995-05-01 | 1997-09-16 | Minnesota Mining And Manufacturing Company | Blood reservoir with visible inlet tube |
US5641144A (en) * | 1995-06-07 | 1997-06-24 | Cobe Laboratories, Inc. | Dialyzer holder |
DE19545404A1 (en) * | 1995-12-06 | 1997-06-12 | Kevin Business Corp | Excretion of air from blood containing air |
DE19617036C2 (en) * | 1996-04-27 | 2003-12-04 | Fresenius Ag | Device for separating gas bubbles from blood |
DE19620591B4 (en) * | 1996-05-22 | 2004-08-26 | Fresenius Medical Care Deutschland Gmbh | Device for removing gases from liquids |
US5871693A (en) * | 1996-06-07 | 1999-02-16 | Minnesota Mining And Manufacturing Company | Modular blood treatment cartridge |
US5895368A (en) * | 1996-09-23 | 1999-04-20 | Medisystems Technology Corporation | Blood set priming method and apparatus |
US6117342A (en) * | 1996-11-26 | 2000-09-12 | Medisystems Technology Corporation | Bubble trap with directed horizontal flow and method of using |
US5983947A (en) * | 1997-03-03 | 1999-11-16 | Medisystems Technology Corporation | Docking ports for medical fluid sets |
DE19719555A1 (en) * | 1997-05-09 | 1998-11-12 | Kevin Business Corp | Method and device for separating gas from gaseous blood |
DE19727251C2 (en) | 1997-06-26 | 2002-06-06 | Fresenius Medical Care De Gmbh | Filter device and device for holding it |
US6010623A (en) * | 1997-08-01 | 2000-01-04 | Medisystems Technology Corporation | Bubble trap with flat side |
US5935093A (en) * | 1997-09-29 | 1999-08-10 | Medtronic, Inc. | Softshell reservoir with integrated cardiotomy reservoir |
US5961700A (en) * | 1997-10-31 | 1999-10-05 | Sims Level 1 | Filter system for removal of gas and particulates from cellular fluids |
DE19750062A1 (en) * | 1997-11-12 | 1999-05-20 | Jostra Medizintechnik Ag | Device for the filtration and degassing of body fluids, especially blood |
US6193689B1 (en) * | 1997-11-19 | 2001-02-27 | Robert W. Woodard | Intravenous liquid flow regulator |
US6071269A (en) * | 1998-05-13 | 2000-06-06 | Medisystems Technology Corporation | Blood set and chamber |
US6019824A (en) * | 1998-06-09 | 2000-02-01 | Medisystems Technology Corporation | Bubble trap chamber |
DE19852982C1 (en) * | 1998-11-17 | 2000-03-16 | Braun Melsungen Ag | Cartridge holder for dialysis machine has lower cheek with outlet connection and upper cheek with inflow connection, with cartridge being insertable between cheeks |
US6383158B1 (en) | 1998-12-01 | 2002-05-07 | Dsu Medical Corporation | Dialysis pressure monitoring with clot suppression |
US6251291B1 (en) * | 1998-12-28 | 2001-06-26 | Tranfusion Technologies Corporation | Reservoir-and-filter system and method of use |
DE19925297C1 (en) * | 1999-06-02 | 2000-07-13 | Braun Melsungen Ag | Dialysis machine filter cartridge holder uses radial tensioner elements to seal onto cartridge connections when positioned using keyhole holder connections taking cartridge connection grooves. |
US6325775B1 (en) * | 1999-09-03 | 2001-12-04 | Baxter International Inc. | Self-contained, transportable blood processsing device |
US6451257B1 (en) * | 1999-09-16 | 2002-09-17 | Terumo Kabushiki Kaisha | Arterial blood filter |
-
2003
- 2003-05-26 AT AT03727824T patent/ATE426420T1/en not_active IP Right Cessation
- 2003-05-26 ES ES09002597.4T patent/ES2473627T3/en not_active Expired - Lifetime
- 2003-05-26 AU AU2003233023A patent/AU2003233023B2/en not_active Expired
- 2003-05-26 CA CA2729519A patent/CA2729519C/en not_active Expired - Lifetime
- 2003-05-26 ES ES03727824T patent/ES2324707T3/en not_active Expired - Lifetime
- 2003-05-26 CA CA2490174A patent/CA2490174C/en not_active Expired - Lifetime
- 2003-05-26 EP EP09002597.4A patent/EP2055331B1/en not_active Expired - Lifetime
- 2003-05-26 US US10/518,787 patent/US7517387B2/en active Active
- 2003-05-26 DE DE60326847T patent/DE60326847D1/en not_active Expired - Lifetime
- 2003-05-26 JP JP2004515104A patent/JP4358736B2/en not_active Expired - Lifetime
- 2003-05-26 WO PCT/IB2003/002281 patent/WO2004000391A1/en active Application Filing
- 2003-05-26 KR KR1020047021179A patent/KR100947006B1/en active IP Right Grant
- 2003-05-26 EP EP03727824A patent/EP1519764B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP2055331A3 (en) | 2010-10-27 |
EP1519764A1 (en) | 2005-04-06 |
ES2324707T3 (en) | 2009-08-13 |
ATE426420T1 (en) | 2009-04-15 |
DE60326847D1 (en) | 2009-05-07 |
KR100947006B1 (en) | 2010-03-11 |
CA2729519C (en) | 2014-11-18 |
EP2055331A2 (en) | 2009-05-06 |
CA2729519A1 (en) | 2003-12-31 |
JP2005530543A (en) | 2005-10-13 |
CA2490174C (en) | 2011-04-19 |
AU2003233023B2 (en) | 2008-05-15 |
US20050247203A1 (en) | 2005-11-10 |
KR20060070383A (en) | 2006-06-23 |
EP1519764B1 (en) | 2009-03-25 |
EP2055331B1 (en) | 2014-05-14 |
WO2004000391A1 (en) | 2003-12-31 |
US7517387B2 (en) | 2009-04-14 |
JP4358736B2 (en) | 2009-11-04 |
ES2473627T3 (en) | 2014-07-07 |
AU2003233023A1 (en) | 2004-01-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2490174A1 (en) | Gas separation devices | |
EP0191716B1 (en) | Pulsator device for converting fluid pressure to a pulsating pressure | |
DE69731320D1 (en) | DISTRIBUTION DEVICE FOR ADDITIVES | |
TR200102725T2 (en) | Precision dosing device for liquids. | |
WO2004091283A3 (en) | Fluid control system for air/liquid | |
RU99100056A (en) | DROPPER, PUMPING SYSTEM AND METHOD FOR SEQUENTIAL DELIVERY OF TWO LIQUIDS FROM A PAIR OF CONTAINERS TO A PATIENT | |
CN209198870U (en) | Fluid Supplying apparatus | |
AU2002246961A1 (en) | Medicament respiratory delivery device, cartridge and method of making same | |
WO2004065750A3 (en) | Multiple dispensing check valve delivery system | |
GB2186949A (en) | A flow control device | |
EP1367316A3 (en) | Intra-cylinder tubular pressure regulator | |
JPH0694880B2 (en) | Fluid pumping device | |
ES2134908T3 (en) | DIFFUSER WITH FLANGE AND AIR CHAMBER RETAINER FOR PRESSURE CONTAINER. | |
US4564340A (en) | Device for regulating the pressure and feed volume of a diaphragm pump | |
EP1088583A3 (en) | Liquid-drop discharge device | |
EP0126608B1 (en) | Fluidic device | |
AU3160999A (en) | Dispensing means | |
WO2007011223A3 (en) | Filter device for filtering a hydraulic fluid. | |
CA2212597A1 (en) | Liquid forced-feed apparatus | |
EP0866254B1 (en) | Suck back valve | |
SE0203469L (en) | Liquid supply system | |
EP1254595A3 (en) | Liquid sampling device | |
RU2004131844A (en) | TURNING VALVE WITH PRESSURE RETAINING ELEMENT | |
DE50312924D1 (en) | Device for storage and transfer of liquid | |
DE60025339D1 (en) | AXIAL BREMSPROPORTIONIERKUGELVENTIL |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20230526 |