GB2287760B - Gas-tight seals - Google Patents

Gas-tight seals

Info

Publication number
GB2287760B
GB2287760B GB9420633A GB9420633A GB2287760B GB 2287760 B GB2287760 B GB 2287760B GB 9420633 A GB9420633 A GB 9420633A GB 9420633 A GB9420633 A GB 9420633A GB 2287760 B GB2287760 B GB 2287760B
Authority
GB
United Kingdom
Prior art keywords
gas
tight seals
seals
tight
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.)
Expired - Fee Related
Application number
GB9420633A
Other versions
GB2287760A (en
GB9420633D0 (en
Inventor
William John Hoskin
Nicholas Richard Kemp
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.)
Microsurgical Equipment Ltd
Original Assignee
Microsurgical Equipment Ltd
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 Microsurgical Equipment Ltd filed Critical Microsurgical Equipment Ltd
Publication of GB9420633D0 publication Critical patent/GB9420633D0/en
Priority to US08/704,765 priority Critical patent/US5730728A/en
Priority to CA002186517A priority patent/CA2186517A1/en
Priority to PCT/GB1995/000645 priority patent/WO1995026163A1/en
Priority to EP95912332A priority patent/EP0764005A1/en
Publication of GB2287760A publication Critical patent/GB2287760A/en
Priority to US08/926,092 priority patent/US5879368A/en
Application granted granted Critical
Publication of GB2287760B publication Critical patent/GB2287760B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • 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
    • A61M39/02—Access sites
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • A61M2039/0633—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof the seal being a passive seal made of a resilient material with or without an opening
    • 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
    • A61M39/02—Access sites
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • A61M2039/0633—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof the seal being a passive seal made of a resilient material with or without an opening
    • A61M2039/064—Slit-valve

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgical Instruments (AREA)
GB9420633A 1994-03-26 1994-10-13 Gas-tight seals Expired - Fee Related GB2287760B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US08/704,765 US5730728A (en) 1994-03-26 1995-03-23 Gas-tight seal
CA002186517A CA2186517A1 (en) 1994-03-26 1995-03-23 Gas-tight seal for surgical trocars
PCT/GB1995/000645 WO1995026163A1 (en) 1994-03-26 1995-03-23 Gas-tight seal for surgical trocars
EP95912332A EP0764005A1 (en) 1994-03-26 1995-03-23 Gas-tight seal for surgical trocars
US08/926,092 US5879368A (en) 1994-03-26 1997-09-09 Gas-tight seal for surgical trocars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9406038A GB9406038D0 (en) 1994-03-26 1994-03-26 A new gas seal for use in trocar systems

Publications (3)

Publication Number Publication Date
GB9420633D0 GB9420633D0 (en) 1994-11-30
GB2287760A GB2287760A (en) 1995-09-27
GB2287760B true GB2287760B (en) 1997-11-05

Family

ID=10752564

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9406038A Pending GB9406038D0 (en) 1994-03-26 1994-03-26 A new gas seal for use in trocar systems
GB9420633A Expired - Fee Related GB2287760B (en) 1994-03-26 1994-10-13 Gas-tight seals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9406038A Pending GB9406038D0 (en) 1994-03-26 1994-03-26 A new gas seal for use in trocar systems

Country Status (1)

Country Link
GB (2) GB9406038D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8968249B2 (en) 2002-05-10 2015-03-03 Covidien Lp Introducer seal assembly

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2298905A (en) * 1995-03-11 1996-09-18 Microsurgical Equipment Ltd Displaceable seal system for trocars
WO2003030743A2 (en) 2001-10-05 2003-04-17 Tyco Healthcare Group Lp Surgical stapling device
EP2958502B1 (en) * 2013-02-21 2020-09-30 Covidien LP Surgical access device including lateral moving seal cooperating with bellows attached to proximal wall of cannula house
US9901372B2 (en) 2013-02-21 2018-02-27 Covidien Lp Surgical access device including gimbal mount cooperating with bellows attached to proximal wall of seal housing

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000739A (en) * 1975-07-09 1977-01-04 Cordis Corporation Hemostasis cannula
US4177814A (en) * 1978-01-18 1979-12-11 KLI, Incorporated Self-sealing cannula
GB2067075A (en) * 1980-01-11 1981-07-22 Fresenius Chem Pharm Ind Connector for connecting cannulae, catheters, flexible tubes or the like
US5006113A (en) * 1990-02-08 1991-04-09 Cook Incorporated Hemostasis cannula
US5169393A (en) * 1990-09-04 1992-12-08 Robert Moorehead Two-way outdwelling slit valving of medical liquid flow through a cannula and methods
WO1993001850A1 (en) * 1991-07-18 1993-02-04 Applied Medical Resources Corporation Lever actuated septum seal
US5205834A (en) * 1990-09-04 1993-04-27 Moorehead H Robert Two-way outdwelling slit valving of medical liquid flow through a cannula and methods
US5211634A (en) * 1991-08-06 1993-05-18 Vaillancourt Vincent L Composite seal structure and a coupling arrangement for a cannula
EP0542432A1 (en) * 1991-10-18 1993-05-19 Ethicon, Inc. Trocar apparatus
WO1994017844A1 (en) * 1993-02-10 1994-08-18 Origin Medsystems, Inc. Seal accomodating diametrical range of surgical instruments

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000739A (en) * 1975-07-09 1977-01-04 Cordis Corporation Hemostasis cannula
US4177814A (en) * 1978-01-18 1979-12-11 KLI, Incorporated Self-sealing cannula
GB2067075A (en) * 1980-01-11 1981-07-22 Fresenius Chem Pharm Ind Connector for connecting cannulae, catheters, flexible tubes or the like
US5006113A (en) * 1990-02-08 1991-04-09 Cook Incorporated Hemostasis cannula
US5169393A (en) * 1990-09-04 1992-12-08 Robert Moorehead Two-way outdwelling slit valving of medical liquid flow through a cannula and methods
US5205834A (en) * 1990-09-04 1993-04-27 Moorehead H Robert Two-way outdwelling slit valving of medical liquid flow through a cannula and methods
WO1993001850A1 (en) * 1991-07-18 1993-02-04 Applied Medical Resources Corporation Lever actuated septum seal
US5211634A (en) * 1991-08-06 1993-05-18 Vaillancourt Vincent L Composite seal structure and a coupling arrangement for a cannula
EP0542432A1 (en) * 1991-10-18 1993-05-19 Ethicon, Inc. Trocar apparatus
WO1994017844A1 (en) * 1993-02-10 1994-08-18 Origin Medsystems, Inc. Seal accomodating diametrical range of surgical instruments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8968249B2 (en) 2002-05-10 2015-03-03 Covidien Lp Introducer seal assembly

Also Published As

Publication number Publication date
GB2287760A (en) 1995-09-27
GB9406038D0 (en) 1994-05-18
GB9420633D0 (en) 1994-11-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19981013