CA2347277A1 - Medical lavage apparatus and methods - Google Patents

Medical lavage apparatus and methods

Info

Publication number
CA2347277A1
CA2347277A1 CA002347277A CA2347277A CA2347277A1 CA 2347277 A1 CA2347277 A1 CA 2347277A1 CA 002347277 A CA002347277 A CA 002347277A CA 2347277 A CA2347277 A CA 2347277A CA 2347277 A1 CA2347277 A1 CA 2347277A1
Authority
CA
Canada
Prior art keywords
check
valves
cylinder
cylinders
aspiration
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
CA002347277A
Other languages
French (fr)
Other versions
CA2347277C (en
Inventor
Darrel Palmer
William R. Houghton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kimberly Clark Worldwide Inc
Original Assignee
Darrel Palmer
William R. Houghton
Ballard Medical Products
Kimberly-Clark Worldwide, Inc.
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 Darrel Palmer, William R. Houghton, Ballard Medical Products, Kimberly-Clark Worldwide, Inc. filed Critical Darrel Palmer
Publication of CA2347277A1 publication Critical patent/CA2347277A1/en
Application granted granted Critical
Publication of CA2347277C publication Critical patent/CA2347277C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • A61M39/12Tube connectors; Tube couplings for joining a flexible tube to a rigid attachment
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71Suction drainage systems
    • A61M1/77Suction-irrigation systems
    • A61M1/772Suction-irrigation systems operating alternately
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/24Check- or non-return valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/64Containers with integrated suction means
    • A61M1/67Containers incorporating a piston-type member to create suction, e.g. syringes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/24Check- or non-return valves
    • A61M2039/242Check- or non-return valves designed to open when a predetermined pressure or flow rate has been reached, e.g. check valve actuated by fluid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/24Check- or non-return valves
    • A61M2039/2426Slit valve

Abstract

A medical lavage apparatus (10) for body cavities comprising a housing (20) having parallel irrigation and aspiration cylinders (28, 32) with captive plungers (24, 26) extending in bores thereof from a first end and pairs of check-valves (102, 106) positioned in parallel, smaller, offset cylinders located at second ends such that reciprocal movement of each plunger in each cylinder performs the function of a one-way pump. The plungers are held captive and aligned by guide-stops (90') proximally disposed in each cylinder. Each plunger comprises a seal (80) disposed at the distal end thereof which inhibits communication between the pairs of check-valves in each cylinder when the plunger is fully seated in the cylinder. Novel jam-free dome shaped, slit check-valves (230) are disposed to be the pair of check-valves in the aspiration cylinder in one embodiment and in irrigation cylinders as well in other embodiments. The dome shaped valves are described for use in other medical fluid control applications, as well. A septum (50) formed of intersecting semi-circular-in-cross-section baffles (58, 60) joins the adjacent outer ends of the irrigation and aspiration check-valve cylinders so as to allow full fluid streams flowing from these outer ends to flow together at an angle. The septum and associated irrigation and aspiration check-valve cylinders are enclosed in a common exchange tube (22) which leads to a common patient tube connecting nozzle. A special patient tube securing attachment (97') is disposed on the connecting nozzle.
CA002347277A 1992-07-31 1993-07-15 Medical lavage apparatus and methods Expired - Fee Related CA2347277C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/923,706 1992-07-31
US07/923,706 US5254086A (en) 1992-07-31 1992-07-31 Medical lavage apparatus and methods
CA002119243A CA2119243C (en) 1992-07-31 1993-07-15 Medical lavage apparatus and methods

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002119243A Division CA2119243C (en) 1992-07-31 1993-07-15 Medical lavage apparatus and methods

Publications (2)

Publication Number Publication Date
CA2347277A1 true CA2347277A1 (en) 1994-02-17
CA2347277C CA2347277C (en) 2005-07-12

Family

ID=25449135

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002347277A Expired - Fee Related CA2347277C (en) 1992-07-31 1993-07-15 Medical lavage apparatus and methods
CA002119243A Expired - Fee Related CA2119243C (en) 1992-07-31 1993-07-15 Medical lavage apparatus and methods

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002119243A Expired - Fee Related CA2119243C (en) 1992-07-31 1993-07-15 Medical lavage apparatus and methods

Country Status (8)

Country Link
US (3) US5254086A (en)
EP (1) EP0606449B1 (en)
JP (1) JP3294274B2 (en)
AT (1) ATE172643T1 (en)
AU (1) AU663407B2 (en)
CA (2) CA2347277C (en)
DE (1) DE69321819T2 (en)
WO (1) WO1994003218A1 (en)

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Also Published As

Publication number Publication date
WO1994003218A1 (en) 1994-02-17
US5667500A (en) 1997-09-16
CA2119243C (en) 2002-04-30
EP0606449A1 (en) 1994-07-20
US5330424A (en) 1994-07-19
DE69321819D1 (en) 1998-12-03
US5254086A (en) 1993-10-19
AU663407B2 (en) 1995-10-05
ATE172643T1 (en) 1998-11-15
JPH06511412A (en) 1994-12-22
EP0606449B1 (en) 1998-10-28
DE69321819T2 (en) 1999-04-15
AU4678693A (en) 1994-03-03
CA2119243A1 (en) 1994-02-17
JP3294274B2 (en) 2002-06-24
EP0606449A4 (en) 1995-10-25
CA2347277C (en) 2005-07-12

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