CA2463203A1 - Multiple port fluid control valves - Google Patents

Multiple port fluid control valves Download PDF

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Publication number
CA2463203A1
CA2463203A1 CA002463203A CA2463203A CA2463203A1 CA 2463203 A1 CA2463203 A1 CA 2463203A1 CA 002463203 A CA002463203 A CA 002463203A CA 2463203 A CA2463203 A CA 2463203A CA 2463203 A1 CA2463203 A1 CA 2463203A1
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CA
Canada
Prior art keywords
passage
saline
waste
contrast
output
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
Application number
CA002463203A
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French (fr)
Other versions
CA2463203C (en
Inventor
Eric Houde
Mark Van Diver
Scott Diamond
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Navilyst Medical Inc
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Individual
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Filing date
Publication date
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Publication of CA2463203A1 publication Critical patent/CA2463203A1/en
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Publication of CA2463203C publication Critical patent/CA2463203C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F16K11/0856—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/223—Multiway valves
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804—Flow controllers
    • A61M5/16827—Flow controllers controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths

Abstract

A fluid control valve (10) is disclosed which, with a single valve, can manipulate flow between a saline supply (12), a contrast supply (13), a wast e dump (14) and a catheter (15). The control valve includes three primary positions including a constrast position where the valve provides communication between an injector and a contrast supply while isolating the saline supply and catheter. The valve also can be moved to a saline/waste position where the valve provides communication between the injector and the saline supply and/or the waste dump while isolating the contrast supply and catheter. The vavlve also can be moved to an injection position where the valve provides communication between the injector and the catheter. A single valve provides all three functions. The valve also may provide communication between a pressure transducer (32) and catheter (15) during the saline loading, waste dumping and contrast loading functions. The valve also provid es protection or isolation of the pressure transducer during injection procedur es.

Claims (25)

1. A fluid control valve for controlling fluid flow between a catheter, a saline supply, a waste dump, a contrast supply and an injector, the control valve comprising:

a valve body comprising a cylindrical bore and an outer surface, the valve body further comprising a plurality of passages providing communication between the cylindrical bore and the outer surface, the plurality of passages comprising at least one output passage connected to the catheter, a contrast input passage connected to the contrast supply, at least one saline/waste input/output passage connected to the saline supply and the waste dump, and at least one injector passage connected to the injector, a cylindrical valve stem rotatable received in the cylindrical bore, the valve stem having a central axis, the valve stem further comprising at least one connecting passage extending through the valve stem, the connecting passage selectively connecting the injector passage to at least one of the output passage, the contrast input passage and the saline/waste input/output passage depending upon a rotational position of the valve stem, the valve stem being rotatable within the cylindrical bore to at least three rotational positions including a contrast position where the connecting passage of the valve stem provides communication between the injector passage and the contrast input passage, a saline/waste position where the connecting passage provides communication between the injector passage and the saline/waste input/output passage and an injection position where the connecting passage provides communication between the injector passage and the output passage.
2. The control valve of claim 1 wherein the at least one output passage of the valve body comprises two output passages connected to the catheter including a contrast output passage and a saline output passage, the valve body further comprising a waste input passage, the at least one saline/waste input/output passage of the valve body comprises a separate saline input passage and a separate waste output passage, the at least one injector passage comprises a contrast injector passage, a saline injector passage and a waste injector passage, the valve stem further comprising a linking passage that extends from the connecting passage axially along the valve stem and out through the valve stern, in the contrast position, the connecting passage providing communication between the contrast injector passage and the contrast output passage, the linking passage providing communication between the contrast input passage and the connecting passage, in the injection position, the connecting passage providing communication between the saline injector passage and the saline output passage, the linking passage providing communication between the connecting passage and :saline input passage, in the saline/waste position, the connecting passage providing communication between the waste input passage and the waste injector passage, the linking passage providing communication between the connecting passage and the waste output passage.
3. The control valve of claim 2 wherein waste input passage is connected to a waste input line which connects the waste input passage to the catheter, the waste input line comprising a one-way check valve permitting flow from the catheter to the waste input passage and not vice versa, the saline output passage is connected to a saline output line which connects the saline output passage to the catheter, the saline output line comprising a one-way check valve permitting flow from the saline output passage to the catheter and not vice versa, the contrast output passage is connected to a contrast output line which connects the contrast output passage to the catheter, the contrast output line comprising a one-way check valve permitting flow from the contrast output passage to the catheter and not vice versa.
4. The control valve of claim 2 wherein the saline input passage is connected to a saline input line which connects the saline input passage to the saline .
supply, the saline input line comprising a one-way check valve permitting flow from the saline supply to the saline input passage and not vice versa, the contrast input passage is connected to a contrast input line which connects the contrast input passage to the contrast supply, the contrast input line comprising a one-way check valve permitting flow from the contrast supply to the contrast input passage and not vice versa, the waste output passage is connected to a waste output line which connects the waste output passage to the waste dump, the waste output line comprising a one-way check valve permitting flow from the waste output passage to the waste dump and not vice versa.
5. The control valve of claim 1 wherein the saline/waste input/output passage is connected to both a saline input line and a waste output line, the saline input line connecting the saline/waste input/output passage to the saline supply, the saline input line comprising a one-way check valve permitting flow from the saline supply to the saline/waste input/output passage and not vice versa, the waste output line connecting the saline/waste input/output passage to the waste dump, the waste output line comprising a one-way check valve permitting flow from the saline/waste input/output passage to the waste dump and not vice versa.
6. The control valve of claim 1 wherein the at least one connecting passage of the valve stem comprises a saline/waste, connecting passage, an injector connecting passage and a contrast connecting passage, in the contrast position, the contrast connecting passage providing communication between the injector passage and the contrast input passage, in the saline/waste position, the saline/waste connecting passage providing communication between the injector passage and the saline/waste input/output passage, and in the injection position, the injector connecting passage providing communication between the injector passage and the output passage.
7. The control valve of claim 6 wherein the valve body further.
comprises a first pressure transducer passage and a second pressure transducer passage, in the contrast position, the saline/waste connecting passage providing communication between the output passage and the first pressure transducer passage, in the saline/waste position, the contrast connecting passage providing communication between the output passage and the second pressure transducer passage.
8. The control valve of claim 6 wherein valve stem further comprises a first linking passage that extends from the contrast connecting passage along the valve stem and out through the valve stem, the contrast connecting passage comprising a first end and a second end, the valve stem further comprising a second linking passage that extends from the saline/waste connecting passage along the valve stem and out through the valve stem, the saline/waste connecting passage comprising a first end and a second end, the valve body further comprising a pressure transducer passage providing communication between the cylindrical bore and a pressure transducer, in the contrast position, the contrast connecting passage providing communication between the injector passage and the contrast input passage and the first linking passage providing communication between the pressure transducer.
passage and the output passage, in the saline waste position, the saline/waste connecting passage providing communication between the injector passage and the saline/waste input/output passage and the second linking passage providing communication between the pressure transducer passage and the output passage, in the injection position, the injector connecting passage providing communication between the injector passage and the output passage and the pressure transducer passage being blocked by the valve stem.
9. ~The control valve of claim 6 wherein the saline/waste input/output passage, the output passage, the injector passage and the contrast input passage are coplanar.
10. The control valve of claim 1 wherein the at least one output passage of the valve body comprises a combination contrast/saline output passage, the valve body further comprising a waste input passage, the at least one saline/waste input/output passage of the valve body comprises a separate saline input passage and a separate waste output passage, the at least one injector passage comprises a combination contrast/saline injector passage and a waste injector passage, the valve stem further comprising a linking passage that extends from the connecting passage along the valve stem and out through the valve stem, in the contrast position, the connecting passage providing communication between the combination contrast/saline injector passage and the combination contrast/saline output passage, in the contrast position, the linking passage providing communication between the contrast input passage and the connecting passage, in the injection position, the connecting passage providing communication between the combination contrast/saline injector passage and the combination contrast/saline output passage, in the injection position, the linking passage providing communication between the connecting passage and saline input passage, in the saline waste position, the connecting passage providing communication between the waste input passage and the waste injector passage, in the saline waste position, in the linking passage providing communication between the connecting passage and the waste output passage.
11. The control valve of claim 10 wherein the saline input passage, the combination contrast/saline output passage, the combination contrast/saline injector passage and the contrast input passage are coplanar.
12. The control valve of claim 10 wherein waste input passage is connected to a waste input line which connects the waste input passage to the catheter, the waste input line comprising a one-way check valve permitting flow from the catheter to the waste input passage and not vice versa, the output passage is connected to a combination contrast/saline output line which connects the combination contrast/saline output passage to the catheter, the combination contrast/saline output line comprising a one-way check valve permitting flow from the combination contrast/saline output passage to the catheter and not vice versa, the contrast output passage is connected to a contrast output line which connects the contrast output passage to the catheter, the contrast output line comprising a one-way check valve permitting flow from the contrast output passage to the catheter and not vice versa.
13. The control valve of claim 10 wherein the saline input passage is connected to a saline input line which connects the saline input passage to the saline supply, the saline input line comprising a one-way check valve permitting flow from the saline supply to the saline input passage and not vice versa, the contrast input passage is connected to a contrast input line which connects the contrast input passage to the contrast supply, the contrast input line comprising a one-way check valve permitting flow from the contrast supply to the contrast input passage and not vice versa, the waste output passage is connected to a waste output line which connects the waste output passage to the waste dump, the waste output line comprising a one-way check valve permitting flow from the waste output passage to the waste dump and not vice versa.
14. The control valve of claim 1 wherein the at least one output passage of the valve body comprises a combination input/output passage through which saline and contrast passes towards the catheter and through which waste passes from the catheter, the valve body further comprising a pressure transducer passage, the at least one connecting passage comprising a injector connecting passage, a contrast connecting passage, a saline/waste connecting passage and a pressure transducer connecting passage, in the contrast position, the contrast connecting passage providing communication between the contrast input passage and the injector passage and the pressure transducer connecting passage providing communication between the combination input/output passage and the pressure transducer passage, in the injection position, the injector connecting passage providing communication between the injector passage and the combination saline/waste input/output passage and the pressure transducer passage being blocked by the valve stem, in the saline/waste position, the saline/waste connecting passage providing communication between the saline/waste input/output passage and the injector passage and the pressure transducer connecting passage providing communication between the combination input/output passage and the pressure transducer passage.
15. The control valve of claim 14 wherein the combination input/output passage, the pressure transducer passage, the saline/waste input/output passage and the injector passage are coplanar.
16. The control valve of claim 14 wherein the combination input/output passage, the pressure transducer passage, the saline/waste input/output passage, the injector passage and the contrast input passage are coplanar.
17. The control valve of claim 14 wherein the saline/waste input/output passage is connected to both a saline input line and a waste output line, the saline input line connecting the saline/waste input/output passage to the saline supply, the saline input line comprising a one-way check valve permitting flow from the saline supply to the saline/waste input/output passage and not vice versa, the waste output line connecting the saline/waste input/output passage to the waste dump, the waste output line comprising a one-way check valve permitting flow from the saline/waste input/output passage to the waste dump and not vice versa.
18. The control valve of claim 1 wherein the at least one connecting passage comprises an injector connecting passage and a combination saline/waste/contrast connecting passage, in the contrast position, the combination saline/waste/contrast connecting passage providing communication between the contrast input passage and the injector passage, in the injection position, the injector connecting passage providing communication between the injector passage and the output passage, in the saline/waste position, the combination saline/waste/contrast connecting passage providing communication between the saline/waste input/output passage and the injector passage.
19. The control valve of claim 18 wherein the valve stem further comprises a first linking passage and a second linking passage and the valve body further comprises a pressure transducer port, in the contrast position, the first linking passage providing communication between the output passage and the pressure transducer passage, in the injection position, the pressure transducer passage being blocked by the valve stem, in the saline/waste position, the second linking passage providing communication between the output passage and the pressure transducer passage.
20. The control valve of claim 1 wherein the at least one output passage of the valve body comprises two output passages connected to the catheter including a contrast output passage and a saline output passage, the valve body further comprising a waste input passage, the at least one saline/waste input/output passage of the valve body comprises a separate saline input passage and a separate waste output passage, the connecting passage of the valve stem extending axially along the valve stem, the valve stem further comprising a contrast linking passage that extends transversely through the connecting passage and through the valve stem, a saline linking passage that extends transversely through the connecting passage and through the valve stem, and a waste linking passage that extends transversely through the connecting passage and through the valve stem, in the contrast position, the connecting and contrast linking passages providing communication between the injector passage, the contrast input passage and the contrast output passage, in the contrast position, the saline and waste linking passages are blocked by the valve body, in the injection position, the connecting and saline linking passages providing communication between the injector passage, the saline output passage, and the saline input passage, in the injection position, the contrast and waste linking passages are blocked by the valve body, in the saline/waste position, the connecting and waste linking passages providing communication between the injector passage, the waste input passage and the waste output passage, in the saline/waste position, the saline and contrast linking passages are blocked by the valve body.
21. The control valve of claim 20 wherein waste input passage is connected to a waste input line which connects the waste input passage to the catheter, the waste input line comprising a one-way check valve permitting flow from the catheter to the waste input passage and not vice versa, the saline output passage is connected to a saline output line which connects the saline output passage to the catheter, the saline output line comprising a one-way check valve permitting flow from the saline output passage to the catheter and not vice versa, the contrast output passage is connected to a contrast output line which connects the contrast output passage to the catheter, the contrast output line comprising a one-way check valve permitting flow from the contrast output passage to the catheter and not vice versa.
22. The control valve of claim 20 wherein the saline input passage is connected to a saline input line which connects the saline input passage to the saline supply, the saline input line comprising a one-way check valve permitting flow from the saline supply to the saline input passage and not vice versa, the contrast input passage is connected to a contrast input line which connects the contrast input passage to the contrast supply, the contrast input line comprising a one-way check valve permitting flow from the contrast supply to the contrast input passage and not vice versa, the waste output passage is connected to a waste output line which connects the waste output passage to the waste dump, the waste output line comprising a one-way check valve permitting flow from the waste output passage to the waste dump and not vice versa.
23. A fluid control valve for controlling fluid flow between a catheter, a saline supply, a waste dump, a contrast supply and an injector, the control valve comprising:
a single valve means movable to at least three rotational positions including a contrast position where the valve means provides communication between the injector and the contrast supply while isolating the saline supply, a saline/waste position where the valve means provides communication between the injector and the saline supply and the waste dump while isolating the contrast supply, and an injection position where the valve means provides communication between the injector and the catheter while isolating the contrast supply.
24. A fluid control valve for controlling fluid flow between a catheter, a saline supply, a waste dump, a contrast supply, a pressure transducer and an injector, the control valve comprising:
a single valve means movable to at least three rotational positions including a contrast position where the valve means provides communication between the injector the contrast supply while isolating the saline supply and while isolating the catheter and pressure transducer from the injector but providing communication between the catheter and the pressure transducer, a saline/waste position where the valve means provides communication between the injector and the saline supply and the waste dump while isolating the contrast supply and while isolating the catheter and pressure transducer from the injector but providing communication between the catheter and the pressure transducer; and an injection position where the valve means provides communication between the injector and the catheter while isolating the pressure transducer, contrast supply and waste dump.
25. A fluid control valve for controlling fluid flow between a catheter, a saline supply, a waste dump, a contrast supply, a pressure transducer and an injector, the control valve comprising:
a single valve means movable to at least three rotational positions including a contrast position where the valve means provides communication between the injector the contrast supply while isolating the saline supply and while isolating the catheter and pressure transducer from the injector but providing communication between the catheter and the pressure transducer, a waste position where the valve means provides communication between the injector and the waste dump while isolating the contrast supply and while isolating the catheter and pressure transducer from the injector but providing communication between the catheter and the pressure transducer; and an injection position where the valve means provides communication between the injector, the saline supply and the catheter while isolating the pressure transducer, contrast supply, and waste dump.
CA2463203A 2001-10-04 2002-10-03 Multiple port fluid control valves Expired - Fee Related CA2463203C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US32694101P 2001-10-04 2001-10-04
US60/326,941 2001-10-04
PCT/US2002/031451 WO2003039646A1 (en) 2001-10-04 2002-10-03 Multiple port fluid control valves

Publications (2)

Publication Number Publication Date
CA2463203A1 true CA2463203A1 (en) 2003-05-15
CA2463203C CA2463203C (en) 2010-08-24

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CA2463203A Expired - Fee Related CA2463203C (en) 2001-10-04 2002-10-03 Multiple port fluid control valves

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US (1) US6918893B2 (en)
EP (1) EP1432470A1 (en)
JP (1) JP4437921B2 (en)
CA (1) CA2463203C (en)
WO (1) WO2003039646A1 (en)

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JP4437921B2 (en) 2010-03-24
CA2463203C (en) 2010-08-24
US20030125673A1 (en) 2003-07-03
US6918893B2 (en) 2005-07-19
JP2005508224A (en) 2005-03-31
EP1432470A1 (en) 2004-06-30
WO2003039646A1 (en) 2003-05-15

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