WO2011112800A4 - Catheter assembly - Google Patents

Catheter assembly Download PDF

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Publication number
WO2011112800A4
WO2011112800A4 PCT/US2011/027879 US2011027879W WO2011112800A4 WO 2011112800 A4 WO2011112800 A4 WO 2011112800A4 US 2011027879 W US2011027879 W US 2011027879W WO 2011112800 A4 WO2011112800 A4 WO 2011112800A4
Authority
WO
WIPO (PCT)
Prior art keywords
catheter
wall
assembly according
lengthwise
predetermined shape
Prior art date
Application number
PCT/US2011/027879
Other languages
French (fr)
Other versions
WO2011112800A2 (en
WO2011112800A3 (en
WO2011112800A9 (en
Inventor
Michael A. Vogelbaum
Ji-Feng Chen
Shengqiang Gao
Original Assignee
The Cleveland Clinic Foudation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by The Cleveland Clinic Foudation filed Critical The Cleveland Clinic Foudation
Priority to CA2792608A priority Critical patent/CA2792608C/en
Priority to JP2012557243A priority patent/JP5808762B2/en
Priority to EP11754068.2A priority patent/EP2544753B1/en
Publication of WO2011112800A2 publication Critical patent/WO2011112800A2/en
Publication of WO2011112800A3 publication Critical patent/WO2011112800A3/en
Publication of WO2011112800A4 publication Critical patent/WO2011112800A4/en
Publication of WO2011112800A9 publication Critical patent/WO2011112800A9/en

Links

Classifications

    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0074—Dynamic characteristics of the catheter tip, e.g. openable, closable, expandable or deformable
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0082—Catheter tip comprising a tool
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0102—Insertion or introduction using an inner stiffening member, e.g. stylet or push-rod
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M2025/0024—Expandable catheters or sheaths
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A61M2025/004—Multi-lumen catheters with stationary elements characterized by lumina being arranged circumferentially
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M2025/0042—Microcatheters, cannula or the like having outside diameters around 1 mm or less
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M2025/0057—Catheters delivering medicament other than through a conventional lumen, e.g. porous walls or hydrogel coatings
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0082—Catheter tip comprising a tool
    • A61M2025/0096—Catheter tip comprising a tool being laterally outward extensions or tools, e.g. hooks or fibres
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/105—Balloon catheters with special features or adapted for special applications having a balloon suitable for drug delivery, e.g. by using holes for delivery, drug coating or membranes
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1081—Balloon catheters with special features or adapted for special applications having sheaths or the like for covering the balloon but not forming a permanent part of the balloon, e.g. retractable, dissolvable or tearable sheaths
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1086—Balloon catheters with special features or adapted for special applications having a special balloon surface topography, e.g. pores, protuberances, spikes or grooves
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0097—Catheters; Hollow probes characterised by the hub

Abstract

A catheter assembly comprises a first catheter including a wall with an inner surface at least partially defining a lumen. A second catheter is connected to the wall of the first catheter and is disposed outward of the inner surface of the wall. The second catheter is at least partially covered by a sheath portion of the first catheter.

Claims

AMENDED CLAIMS received by the International Bureau on 20 January 2012 (20.01.2012) Having described the invention, the following is claimed:
1. A catheter assembly comprising:
a first catheter including a wall with an inner surface at least partially defining a lumen, at least a portion of the wall of the first catheter being made of a resilient material and being extensible; and
a second catheter connected to the wall of the first catheter and disposed outward of the inner surface of the wall, the second catheter being at least partially covered by a sheath portion of the first catheter.
2. A catheter assembly according to claim 1 wherein the sheath portion of the first catheter includes the wall of the first catheter, the wall having an outer surface, the second catheter being at least partially disposed between the inner and outer surfaces of the wall.
3. A catheter assembly according to claim 2 wherein the second catheter has a predetermined shape, the second catheter being deflected from the predetermined shape when disposed between the inner and outer surfaces of the wall of the first catheter.
4. A catheter assembly according to claim 3 wherein said at least a portion of the wall of the first catheter is a lengthwise portion of the wall of the first catheter, the lengthwise portion of the wall being longitudinally extensible, at least a portion of the second catheter being disposed between the inner and outer surfaces of the wall of the first catheter when the lengthwise portion of the wall is longitudinally extended, said at least a portion of the second catheter projecting out of the wall of the first catheter and assuming the predetermined shape when the lengthwise portion of the wall resiliently returns from a longitudinally extended condition,
5. A catheter assembly according to claim 4 wherein the lengthwise portion of the wall is a first lengthwise portion of the wall, the inner and outer surfaces of the wall of the first catheter being spaced apart (a) a first distance in the first lengthwise portion of the wall of the first catheter and (b) a second distance in a second lengthwise portion of the wall of the first catheter, the first distance being larger than the second distance.
6. A catheter assembly according to claim 1 wherein the wall of the first catheter has an outer surface, the sheath portion of the first catheter and at least a portion of the second catheter being disposed outward of the outer surface of the wall of the first catheter.
7. A catheter assembly according to claim 6 wherein the second catheter is at least partially fixed to the outer surface of the wall of the first catheter.
8. A catheter assembly according to claim 6 wherein the second catheter has a predetermined shape, the second catheter being deflected from the predetermined shape when covered by the sheath portion of the first catheter.
9. A catheter assembly according to claim 8 wherein the second catheter projects out of the sheath portion of the first catheter when said at least a portion of the wall is extended.
10. A catheter assembly according to claim 6 wherein the sheath portion of the first catheter is at least partially fixed to the wall of the first catheter.
1 1. A catheter assembly according to claim 6 wherein the sheath portion of the first catheter is at least partially releasably attached to the wall of the first catheter.
12. A catheter assembly according to claim 11 wherein the second catheter has a predetermined shape, the second catheter being deflected from the predetermined shape when covered by the sheath portion of the first catheter.
13. A catheter assembly according to claim 1 wherein the second catheter has a predetermined shape, the second catheter being deflected from the predetermined shape when covered by the sheath portion of the first catheter.
14. A catheter assembly according to claim 1 wherein the second catheter projects out of the sheath portion of the first catheter when said at least a portion of the wall is extended.
15. A catheter assembly according to claim I wherein extension of said at least a portion of the wall causes a portion of the second catheter to be pulled in a direction away from the sheath portion of the first catheter and thereby uncovered.
16. A catheter assembly comprising:
a first catheter including a wall with an inner surface at least partially defining a first lumen, at least a portion of the wall of the first catheter being made of a resilient material and being longitudinally extensible; and
a second catheter including a second lumen, the second catheter being disposed outward of the inner surface of the wall of the first catheter, the second catheter being at least partially fixed to the wall of the first catheter, the first catheter being disposed outside of the second lumen.
17. A catheter assembly according to claim 16 wherein the wall of the first catheter has an outer surface, the second catheter being at least partially disposed between the inner and outer surfaces of the wall.
18. A catheter assembly according to claim 17 wherein the second catheter has a predetermined shape, the second catheter being deflected from the predetermined shape when disposed between the inner and outer surfaces of the wall of the first catheter,
19. A catheter assembly according to claim 18 wherein said at least a portion of the wall of the first catheter is a lengthwise portion of the wall of the first catheter, at least a portion of the second catheter being disposed between the inner and outer surfaces of the wall of the first catheter when the lengthwise portion of the wall is longitudinally extended, said at least a portion of the second catheter projecting out of the wall of the first catheter and assuming the predetermined shape when the lengthwise portion of the wall resiliency returns from a longitudinally extended condition.
20. A catheter assembly according to claim 19 wherein the lengthwise portion of the wall is a first lengthwise portion of the wall, the inner and outer surfaces of the wall of the first catheter being spaced apart (a) a first distance in the first lengthwise portion of the wall of the first catheter and (b) a second distance in a second lengthwise portion of the wall of the first catheter, the first distance being larger than the second distance.
21. A catheter assembly according to claim 16 wherein the wall of the first catheter has an outer surface, the second catheter being disposed outward of the outer surface of the wall of the first catheter, the second catheter being at least partially fixed to the outer surface of the first catheter.
22. A catheter assembly according to claim 21 wherein the second catheter is at least partially covered by a sheath portion of the first catheter.
23. A catheter assembly according to claim 22 wherein the second catheter has a predetermined shape, the second catheter being deflected from the predetermined shape when covered by the sheath portion of the first catheter.
24. A catheter assembly according to claim 22 wherein the second catheter projects out of the sheath portion of the first catheter when said at least a portion of the wall is extended.
25. A catheter assembly according to claim 22 wherein extension of said at least a portion of the wall causes a portion of the second catheter to be pulled in a direction away from the sheath portion of the first catheter and thereby uncovered.
26. A catheter assembly comprising;
a first catheter including a wall with an inner surface at least partially defining a lumen extending lengthwise of the first catheter, at least a portion of the wall of the first catheter being made of a resilient material and being extensible; and
a second catheter at least partially disposed in the wall of the first catheter outward of the inner surface of the wall and extending lengthwise of the first catheter.
27. A catheter assembly according to claim 26 wherein the second catheter has a predetermined shape, the second catheter being deflected from the predetermined shape when disposed in the wall of the first catheter.
28. A catheter assembly according to claim 27 wherein at least a portion of the second catheter projects out of the wall of the first catheter and assumes the predetermined shape.
29. A catheter assembly according to claim 28 wherein said at least a portion of the second catheter is a distal portion of the second catheter and projects out of a distal portion of the wall of the first catheter.
30. A catheter assembly according to claim 29 wherein the second catheter also has an opposite proximal portion projecting out of a proximal portion of the wall of the first catheter, a fluid inlet port being in communication with the proximal portion of the second catheter.
31. A catheter assembly according to claim 29 wherein said at least a portion of the wall of the first catheter is a lengthwise portion of the wall of the first catheter, the distal portion of the second catheter being disposed between the inner and outer surfaces of the wall of the first catheter when the lengthwise portion of the wall is longitudinally extended, the distal portion of the second catheter projecting out of the wall of the first catheter and assuming the predetermined shape when the lengthwise portion of the wall resiliently returns from a longitudinally extended condition.
32. A catheter assembly according to claim 31 wherein the lengthwise portion of the wall is a first lengthwise portion of the wall, the inner and outer surfaces of the wall of the first catheter being spaced apart (a) a first distance in the first lengthwise portion of the wall of the first catheter and (b) a second distance in a second lengthwise portion of the wall of the first catheter, the first distance being larger than the second distance.
33. A catheter assembly according to claim 28 wherein said at least a portion of the second catheter is a distal portion of the second catheter and projects out of a distal portion of the wall of the first catheter, the second catheter also having an opposite end portion in fluid communication with the lumen of the first catheter.
34. A catheter assembly according to claim 33 wherein said at least a portion of the wall of the first catheter is a lengthwise portion of the wall of the first catheter, the lengthwise portion of the wall being longitudinally extensible, the distal portion of the second catheter being disposed between the inner and outer surfaces of the wall of the first catheter when the lengthwise portion of the wall is longitudinally extended, the distal portion of the second catheter projecting out of the wall of the first catheter and assuming the predetermined shape when the lengthwise portion of the wall resiliently returns from a longitudinally extended condition.
35. A catheter assembly according to claim 26 wherein said at least a portion of the wall of the first catheter is a lengthwise portion of the wall of the first catheter, the lengthwise portion of the wall being longitudinally extensible, the lengthwise portion of the wall of the first catheter having a diameter that is reduced when the lengthwise portion of the wall is longitudinally extended, the diameter of the lengthwise portion of the wall increasing from a reduced condition when the lengthwise portion of the wall resiliently returns from a longitudinally extended condition.
36. A catheter assembly according to claim 26 wherein the second catheter is at least partially covered by a sheath portion of the first catheter, extension of said at least a portion of the wall causing a portion of the second catheter to be pulled in a direction away from the sheath portion of the first catheter and thereby uncovered.
37. A catheter assembly comprising a catheter having a wall at least partially defining a lumen, a lengthwise portion of the wall being made of a resilient material and being longitudinally extensible, the lengthwise portion of the wall having a diameter that is reduced when the lengthwise portion of the wall is longitudinatly extended, the diameter of the lengthwise portion of the wall increasing from a reduced condition when the lengthwise portion of the wall resiliently returns from a longitudinally extended condition.
38. A catheter assembly according to claim 37 wherein the wall of the catheter has an inner surface and an outer surface, the lengthwise portion of the wall being a first lengthwise portion of the wall, the inner and outer surfaces of the wall of the first catheter being spaced apart (a) a first distance in the first lengthwise portion of the wall of the catheter and (b) a second distance in a second lengthwise portion of the wall of the catheter, the first distance being larger than the second distance.
39. A catheter assembly comprising:
a first catheter including a wall with an inner surface at least partially defining a lumen; and
a second catheter disposed outward of the inner surface of the wall, at least a portion of the wall of the first catheter being made of a resilient material and being extensible, the second catheter being connected to said at least a portion of the wall of the first catheter, extension of said at least a portion of the wall causing a portion of the second catheter to be pulled from a first position to a second position.
40. A catheter assembly according to claim 39 further comprising a piece of material that is less extensible than said at least a portion of the wall of the first catheter, the piece of material being connected to the second catheter and to said at least a portion of the wall of the first catheter, extension of said at least a portion of the wall causing the piece of material to pull the portion of the second catheter from the first position to the second position.
41. A catheter assembly according to claim 39 wherein said at least a portion of the wall of the first catheter constitutes a balloon portion of the first catheter.
PCT/US2011/027879 2010-03-10 2011-03-10 Catheter assembly WO2011112800A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA2792608A CA2792608C (en) 2010-03-10 2011-03-10 Catheter assembly
JP2012557243A JP5808762B2 (en) 2010-03-10 2011-03-10 Catheter assembly
EP11754068.2A EP2544753B1 (en) 2010-03-10 2011-03-10 Catheter assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31240110P 2010-03-10 2010-03-10
US61/312,401 2010-03-10

Publications (4)

Publication Number Publication Date
WO2011112800A2 WO2011112800A2 (en) 2011-09-15
WO2011112800A3 WO2011112800A3 (en) 2012-01-19
WO2011112800A4 true WO2011112800A4 (en) 2012-03-08
WO2011112800A9 WO2011112800A9 (en) 2014-01-30

Family

ID=44560635

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/027879 WO2011112800A2 (en) 2010-03-10 2011-03-10 Catheter assembly

Country Status (5)

Country Link
US (1) US8808234B2 (en)
EP (1) EP2544753B1 (en)
JP (1) JP5808762B2 (en)
CA (1) CA2792608C (en)
WO (1) WO2011112800A2 (en)

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Also Published As

Publication number Publication date
WO2011112800A2 (en) 2011-09-15
JP5808762B2 (en) 2015-11-10
US20110224607A1 (en) 2011-09-15
EP2544753A2 (en) 2013-01-16
US8808234B2 (en) 2014-08-19
EP2544753A4 (en) 2013-08-21
WO2011112800A3 (en) 2012-01-19
JP2013521890A (en) 2013-06-13
EP2544753B1 (en) 2019-01-09
CA2792608C (en) 2015-02-10
CA2792608A1 (en) 2011-09-15
WO2011112800A9 (en) 2014-01-30

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