Medical instrument having gripping jaws

Details Medical instrument having gripping jaws Medical instrument having gripping jaws

1992-09-11

1994-01-04

Pellegrino, Stephen C.

Surgery

Instruments

Forceps

81 99, 606207, A61B 1728

Patent

active

052756157

ABSTRACT:
A medical instrument as a forcep with tissue-gripping jaws is disclosed herein having pivotal handles carried on an instrument body from which an elongated tube projects enclosing a push-pull rod. The rod carries a pivotal jaw arrangement and outwardly projecting from the tube for tissue grasping or gripping purposes. The other end of the rod is coupled to the handle for actuation of the jaw arrangement by either push rod or pull rod functioning. A spherical piston or rack and pinion gear interconnects the rod end with the jaw arrangement and a rod travel limit stop is operably connected between the handle, rod and instrument body. The jaw arrangement includes a pair of members having opposing wavy and serrated surfaces operably to open and close to retain tissue as the instrument is manipulated by medical personnel.

REFERENCES:
patent: 720385 (1903-02-01), Storle
patent: 4712545 (1987-12-01), Honkanen
patent: 4898157 (1990-02-01), Messroghli et al.
patent: 5176699 (1993-01-01), Markham

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