CA2361098A1 - Leak detection system - Google Patents

Leak detection system Download PDF

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Publication number
CA2361098A1
CA2361098A1 CA002361098A CA2361098A CA2361098A1 CA 2361098 A1 CA2361098 A1 CA 2361098A1 CA 002361098 A CA002361098 A CA 002361098A CA 2361098 A CA2361098 A CA 2361098A CA 2361098 A1 CA2361098 A1 CA 2361098A1
Authority
CA
Canada
Prior art keywords
leak detection
fluid path
sealed fluid
detection system
communication
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
CA002361098A
Other languages
French (fr)
Other versions
CA2361098C (en
Inventor
Marwan Abboud
Jean-Pierre Lalonde
Johnny Al Asmar
John W. Lehman
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.)
Medtronic Cryocath LP
Original Assignee
Cryocath Technologies Inc.
Marwan Abboud
Jean-Pierre Lalonde
Johnny Al Asmar
John W. Lehman
Medtronic Cryocath Lp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22371346&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2361098(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cryocath Technologies Inc., Marwan Abboud, Jean-Pierre Lalonde, Johnny Al Asmar, John W. Lehman, Medtronic Cryocath Lp filed Critical Cryocath Technologies Inc.
Priority to CA2555922A priority Critical patent/CA2555922C/en
Publication of CA2361098A1 publication Critical patent/CA2361098A1/en
Application granted granted Critical
Publication of CA2361098C publication Critical patent/CA2361098C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00084—Temperature
    • A61B2017/00092—Temperature using thermocouples
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00115—Electrical control of surgical instruments with audible or visual output
    • A61B2017/00119—Electrical control of surgical instruments with audible or visual output alarm; indicating an abnormal situation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0212—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument inserted into a body lumen, e.g. catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0231—Characteristics of handpieces or probes
    • A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/12—Devices for heating or cooling internal body cavities

Abstract

A surgical device includes a device body defining a sealed fluid path having a first end and a second end, a refrigerant supply in communication with the first end of the sealed fluid path, and a vacuum source in communication with the second end of the sealed fluid path. Leak detection apparatus can be provided in communication with the sealed fluid path.
CA002361098A 1999-01-25 2000-01-25 Leak detection system Expired - Fee Related CA2361098C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2555922A CA2555922C (en) 1999-01-25 2000-01-25 Leak detection system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11717599P 1999-01-25 1999-01-25
US60/117,175 1999-01-25
PCT/CA2000/000065 WO2000042933A1 (en) 1999-01-25 2000-01-25 Leak detection system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2555922A Division CA2555922C (en) 1999-01-25 2000-01-25 Leak detection system

Publications (2)

Publication Number Publication Date
CA2361098A1 true CA2361098A1 (en) 2000-07-27
CA2361098C CA2361098C (en) 2007-03-27

Family

ID=22371346

Family Applications (5)

Application Number Title Priority Date Filing Date
CA002361093A Expired - Fee Related CA2361093C (en) 1999-01-25 2000-01-25 Cryogenic catheter system
CA2707199A Expired - Fee Related CA2707199C (en) 1999-01-25 2000-01-25 Leak detection system
CA002361097A Expired - Fee Related CA2361097C (en) 1999-01-25 2000-01-25 Closed loop catheter coolant system
CA2638741A Expired - Fee Related CA2638741C (en) 1999-01-25 2000-01-25 Leak detection system
CA002361098A Expired - Fee Related CA2361098C (en) 1999-01-25 2000-01-25 Leak detection system

Family Applications Before (4)

Application Number Title Priority Date Filing Date
CA002361093A Expired - Fee Related CA2361093C (en) 1999-01-25 2000-01-25 Cryogenic catheter system
CA2707199A Expired - Fee Related CA2707199C (en) 1999-01-25 2000-01-25 Leak detection system
CA002361097A Expired - Fee Related CA2361097C (en) 1999-01-25 2000-01-25 Closed loop catheter coolant system
CA2638741A Expired - Fee Related CA2638741C (en) 1999-01-25 2000-01-25 Leak detection system

Country Status (6)

Country Link
US (10) US6468268B1 (en)
EP (3) EP1148832A1 (en)
AT (2) ATE243981T1 (en)
CA (5) CA2361093C (en)
DE (2) DE60003635T2 (en)
WO (3) WO2000042932A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008000064A1 (en) * 2006-06-28 2008-01-03 Cryocath Technologies Inc. Mesh leak detection system for a medical device

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US8454587B2 (en) 2013-06-04

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