CA2007657A1 - Sphincterotomy method and device having controlled bending and orientation - Google Patents

Sphincterotomy method and device having controlled bending and orientation

Info

Publication number
CA2007657A1
CA2007657A1 CA2007657A CA2007657A CA2007657A1 CA 2007657 A1 CA2007657 A1 CA 2007657A1 CA 2007657 A CA2007657 A CA 2007657A CA 2007657 A CA2007657 A CA 2007657A CA 2007657 A1 CA2007657 A1 CA 2007657A1
Authority
CA
Canada
Prior art keywords
sphincterotome
lumen
cutting
wire
disclosed
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
CA2007657A
Other languages
French (fr)
Other versions
CA2007657C (en
Inventor
John Karpiel
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.)
Cook Endoscopy
Original Assignee
Wilson Cook Medical 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 Wilson Cook Medical Inc filed Critical Wilson Cook Medical Inc
Publication of CA2007657A1 publication Critical patent/CA2007657A1/en
Application granted granted Critical
Publication of CA2007657C publication Critical patent/CA2007657C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
    • 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
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00553—Sphincter
    • 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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1407—Loop
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/32—General characteristics of the apparatus with radio-opaque indicia
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0144—Tip steering devices having flexible regions as a result of inner reinforcement means, e.g. struts or rods
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires

Abstract

A sphincterotome (21), such as a papillotome, is disclosed for surgical cutting using an electrically conductive cutter wire (33). The sphincterotome (21) includes a multi-lumen tubular member (27), with one lumen (55) having an electrical conductor (43) disposed therein, and the other lumen (57) having a reinforcing wire (45) disposed therein. The reinforcing wire (45) is preferably rectangular in cross-section, providing a greater moment of inertia in a resisting axis R than in a bending axis B. Accordingly, the cutting edge (53) of the cutting wire (33) may be oriented to the 12 o'clock position of the papillary orifice to avoid injury to the duodenal wall or pancreatic duct (69) in the patient, and to maintain the cutting edge (53) in a predetermined cutting plane P. Fluoroscopic indicating stripes (39, 41) may be provided at the distal end (23) of the sphincterotome (21). A method of use and method of fabrication of the present invention is also disclosed.
CA002007657A 1989-03-03 1990-01-12 Sphincterotomy method and device having controlled bending and orientation Expired - Lifetime CA2007657C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/318,724 US5024617A (en) 1989-03-03 1989-03-03 Sphincterotomy method and device having controlled bending and orientation
US318,724 1989-03-03

Publications (2)

Publication Number Publication Date
CA2007657A1 true CA2007657A1 (en) 1990-09-03
CA2007657C CA2007657C (en) 1999-08-10

Family

ID=23239350

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002007657A Expired - Lifetime CA2007657C (en) 1989-03-03 1990-01-12 Sphincterotomy method and device having controlled bending and orientation

Country Status (9)

Country Link
US (2) US5024617A (en)
EP (1) EP0385588B1 (en)
JP (1) JPH0653125B2 (en)
AT (1) ATE124855T1 (en)
AU (1) AU621198B2 (en)
CA (1) CA2007657C (en)
DE (1) DE69020757T2 (en)
DK (1) DK0385588T3 (en)
ES (1) ES2075143T3 (en)

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US6638234B2 (en) 1998-03-03 2003-10-28 Senorx, Inc. Sentinel node location and biopsy
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Also Published As

Publication number Publication date
ATE124855T1 (en) 1995-07-15
ES2075143T3 (en) 1995-10-01
CA2007657C (en) 1999-08-10
JPH02279151A (en) 1990-11-15
DE69020757D1 (en) 1995-08-17
EP0385588B1 (en) 1995-07-12
DK0385588T3 (en) 1995-08-21
DE69020757T2 (en) 1996-02-22
EP0385588A2 (en) 1990-09-05
JPH0653125B2 (en) 1994-07-20
EP0385588A3 (en) 1991-09-04
US5024617A (en) 1991-06-18
AU4993990A (en) 1990-09-06
AU621198B2 (en) 1992-03-05
US5075062A (en) 1991-12-24

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