Grasping forceps for endoscope

Details Grasping forceps for endoscope Grasping forceps for endoscope

1995-07-20

1997-09-16

Apley, Richard J.

Surgery

Instruments

Forceps

A61B 1728

Patent

active

056675259

ABSTRACT:
A grasping forceps for an endoscope including a flexible insertion section, an operating wire adapted to pass through the insertion section and to be advanced and retreated in accordance with the operating of an operating section connected with a hand-end side end portion thereof and at least four elastic grasping members of different lengths arranged at the leading end portion of the operating wire and having the habit of flexing such that leading end grasping portions formed at their leading end portions respectively spread outwardly from the central position of the insertion section. At least four elastic grasping members constructing the elastic grasping section are arranged in the order of increasing length to the leading end grasping portions with respect to the leading end face of the insertion section, and between the longest elastic grasping member and the shortest elastic grasping member in length to the leading end grasping portions in the circularly spread state of the elastic grasping members there are provided other elastic grasping members.

REFERENCES:
patent: 4174715 (1979-11-01), Hasson
patent: 4607620 (1986-08-01), Storz
patent: 4655219 (1987-04-01), Petruzzi
patent: 5352237 (1994-10-01), Rodak et al.
patent: 5376094 (1994-12-01), Kline
patent: 5465710 (1995-11-01), Miyagi et al.
European Search Report dated Apr. 16, 1996, Ref. No.: 55 033 EP J/cl; Patent No. 95106352.8; Applicant: Olympus Optical Co., Ltd, listing above-cited references.

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