JPS6432854A - High frequency incision device - Google Patents

High frequency incision device

Info

Publication number
JPS6432854A
JPS6432854A JP62188551A JP18855187A JPS6432854A JP S6432854 A JPS6432854 A JP S6432854A JP 62188551 A JP62188551 A JP 62188551A JP 18855187 A JP18855187 A JP 18855187A JP S6432854 A JPS6432854 A JP S6432854A
Authority
JP
Japan
Prior art keywords
incision
conductive wire
sheath
knife
high frequency
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.)
Pending
Application number
JP62188551A
Other languages
Japanese (ja)
Inventor
Tsutomu Okada
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.)
Olympus Corp
Original Assignee
Olympus Optical Co 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP62188551A priority Critical patent/JPS6432854A/en
Publication of JPS6432854A publication Critical patent/JPS6432854A/en
Pending legal-status Critical Current

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  • Surgical Instruments (AREA)

Abstract

PURPOSE:To prevent the movement of the knife for a high frequency incision device in a lateral direction when a sheath is squeezed, by providing a receiving part, wherein the wire of the knife is received in the surface of the sheath, to the side surface part of the sheath from which the knife for said incision device is exposed. CONSTITUTION:The leading end part of a flexible sheath 1 is squeezed on an incision part 5 by the thumb to impart a bending habit turning the incision part 5 to the inside. At this time, the incision part 5 of the conductive wire exposed to the outside is engaged with the recessed part 16 of the flexible sheath 1 to be received in said recessed part 16. Subsequently, the flexible sheath 1 to which the bending habit is suitably formed is inserted in the body cavity through the channel of an endoscope and, when the conductive wire 4 is drawn in the operating part on a hand side, the incision part 5 of said conductive wire 4 is tensioned in a bowstring shape to form an incising knife. A high frequency current is passed through the conductive wire 4 in this state to perform the incision of the papillary sphincter of the duodenum. The conductive wire forming the incision part is not exposed to the outside when the bending habit is imparted to the flexible sheath and prevented from bending in a lateral direction.
JP62188551A 1987-07-28 1987-07-28 High frequency incision device Pending JPS6432854A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62188551A JPS6432854A (en) 1987-07-28 1987-07-28 High frequency incision device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62188551A JPS6432854A (en) 1987-07-28 1987-07-28 High frequency incision device

Publications (1)

Publication Number Publication Date
JPS6432854A true JPS6432854A (en) 1989-02-02

Family

ID=16225676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62188551A Pending JPS6432854A (en) 1987-07-28 1987-07-28 High frequency incision device

Country Status (1)

Country Link
JP (1) JPS6432854A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02279151A (en) * 1989-03-03 1990-11-15 Wilson Cook Medical Inc Sphincterotomy, and instrument with controlled flexure and direction
US5323768A (en) * 1991-04-22 1994-06-28 Olympus Optical Co., Ltd. Diathermic dissector with a bifurcation having substantially the same cross-sectional area as a lumen for guiding a wire
CN102579084A (en) * 2012-04-06 2012-07-18 凌亭生 Hot biopsy forceps for duodenum lateral telescope

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02279151A (en) * 1989-03-03 1990-11-15 Wilson Cook Medical Inc Sphincterotomy, and instrument with controlled flexure and direction
US5323768A (en) * 1991-04-22 1994-06-28 Olympus Optical Co., Ltd. Diathermic dissector with a bifurcation having substantially the same cross-sectional area as a lumen for guiding a wire
CN102579084A (en) * 2012-04-06 2012-07-18 凌亭生 Hot biopsy forceps for duodenum lateral telescope

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