Track guided end effector assembly for use with endoscopic instr

Details Track guided end effector assembly for use with endoscopic instr Track guided end effector assembly for use with endoscopic instr

1994-07-14

1996-02-13

Pellegrino, Stephen C.

Surgery

Instruments

Forceps

606174, 128751, A61B 1700

Patent

active

054908612

ABSTRACT:
An end effector assembly for use with an endoscopic instrument includes a clevis and first and second end effectors. The clevis has curved channels extending from a distal portion of the clevis towards the proximal portion of the clevis means. Each channel has first and second inner curved walls. The end effectors each have proximally extending tangs with first and second curved surfaces. The tangs of the end effectors are respectively disposed in the channels of the clevis, and are guided by the channels such that when they are moved forward by a control member of the endoscopic instrument first curved surfaces of the tangs engage said first inner curved walls of the clevis to cause the end effectors to open. When the control member moves the end effectors back, the second curved surfaces of the tang engage the second inner curved walls of the clevis which cause the end effector to close. The curvature and/or the angle of the curves in the tangs and/or the clevis grooves determine how fast the end effectors open and close relative to a given movement of the push rod, and how they decelerate or accelerate during closing and opening.

REFERENCES:
patent: 335796 (1886-02-01), Cullon
patent: 2060366 (1936-11-01), Dunlap
patent: 4976723 (1990-12-01), Schad
patent: 5052402 (1991-11-01), Bencini et al.
patent: 5089007 (1992-02-01), Kirsch et al.
patent: 5147357 (1992-09-01), Rose et al.
patent: 5172700 (1992-12-01), Bencini et al.
patent: 5222973 (1993-06-01), Sharpe et al.
patent: 5238002 (1993-08-01), Devlin et al.
patent: 5258005 (1993-11-01), Christian
patent: 5282806 (1994-02-01), Haber et al.
patent: 5290309 (1994-03-01), Kothe
patent: 5308357 (1994-05-01), Lichtman
patent: 5352235 (1994-11-01), Koros et al.
patent: 5373854 (1994-12-01), Kolozsi

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