CA2398489A1 - Foreign body retrieval device - Google Patents

Foreign body retrieval device Download PDF

Info

Publication number
CA2398489A1
CA2398489A1 CA002398489A CA2398489A CA2398489A1 CA 2398489 A1 CA2398489 A1 CA 2398489A1 CA 002398489 A CA002398489 A CA 002398489A CA 2398489 A CA2398489 A CA 2398489A CA 2398489 A1 CA2398489 A1 CA 2398489A1
Authority
CA
Canada
Prior art keywords
catheter
wire
patient
attached
retrieval device
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
CA002398489A
Other languages
French (fr)
Other versions
CA2398489C (en
Inventor
Andras Konya
Kenneth C. Wright
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.)
University of Texas System
Original Assignee
Board Of Regents, The University Of Texas System
Andras Konya
Kenneth C. Wright
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 Board Of Regents, The University Of Texas System, Andras Konya, Kenneth C. Wright filed Critical Board Of Regents, The University Of Texas System
Publication of CA2398489A1 publication Critical patent/CA2398489A1/en
Application granted granted Critical
Publication of CA2398489C publication Critical patent/CA2398489C/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
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/32056—Surgical snare instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions

Abstract

A retrieval device or snare for grasping foreign articles and retrieving them from the body of a patient. The retrieval device includes a catheter open at both ends such that it may be advanced along a guidewire. The distal end of a wire is attached to the first catheter near an opening system within the catheter. The opening system may be a slot or a pair of holes. A portion of the wire is oriented external of the catheter. Manipulation of the proximal end of the wire causes a portion of the wire to form a loop external of the catheter. The catheter may be tapered, as may be the wire. A
reinforcing material may be attached to the portion of the wire that forms the loop. Another reinforcing material may also be attached to the proximal portion of the wire in order to stiffen the wire and improve its pushability. A guidewire may be inserted into a patient and manoeuvered to an appropriate location within the patient, the catheter may be advanced over the guidewire, the wire attached to the catheter may be manipulated to capture a foreign body with the loop, and the catheter and foreign body may be withdrawn from the patient.
CA002398489A 2000-02-02 2001-02-02 Foreign body retrieval device Expired - Fee Related CA2398489C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/496,482 2000-02-02
US09/496,482 US6517550B1 (en) 2000-02-02 2000-02-02 Foreign body retrieval device
PCT/US2001/003724 WO2001056484A1 (en) 2000-02-02 2001-02-02 Foreign body retrieval device

Publications (2)

Publication Number Publication Date
CA2398489A1 true CA2398489A1 (en) 2001-08-09
CA2398489C CA2398489C (en) 2007-07-03

Family

ID=23972823

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002398489A Expired - Fee Related CA2398489C (en) 2000-02-02 2001-02-02 Foreign body retrieval device

Country Status (13)

Country Link
US (1) US6517550B1 (en)
EP (1) EP1251787B1 (en)
JP (1) JP2003521328A (en)
AT (1) ATE269670T1 (en)
AU (1) AU773605B2 (en)
BR (1) BR0107895A (en)
CA (1) CA2398489C (en)
DE (1) DE60103973T2 (en)
DK (1) DK1251787T3 (en)
ES (1) ES2220717T3 (en)
IL (2) IL151011A0 (en)
PT (1) PT1251787E (en)
WO (1) WO2001056484A1 (en)

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Also Published As

Publication number Publication date
ES2220717T3 (en) 2004-12-16
DE60103973D1 (en) 2004-07-29
PT1251787E (en) 2004-10-29
AU3482801A (en) 2001-08-14
AU773605B2 (en) 2004-05-27
EP1251787A1 (en) 2002-10-30
ATE269670T1 (en) 2004-07-15
US6517550B1 (en) 2003-02-11
JP2003521328A (en) 2003-07-15
IL151011A (en) 2007-06-03
DE60103973T2 (en) 2005-06-30
WO2001056484A1 (en) 2001-08-09
DK1251787T3 (en) 2004-09-27
EP1251787B1 (en) 2004-06-23
IL151011A0 (en) 2003-02-12
BR0107895A (en) 2002-11-05
CA2398489C (en) 2007-07-03

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