Grasping forceps

Details Grasping forceps Grasping forceps

1989-07-28

1991-02-19

Thaler, Michael H.

Surgery

Instruments

Forceps

128 6, A61B 1728

Patent

active

049940791

ABSTRACT:
A grasping forceps including a handle and an elongate cable with resiliently outwardly flared claws at the leading end thereof. The cable is of a fixed length relative to the handle. A closure sleeve surrounds the cable and is selectively manipulated from the handle, for movement to an extended position, relative to the handle, wherein the forward portion of the closure sleeve envelops and inwardly collapses all but the leading end portions of the claws. The closure sleeve in the retracted position, allowing for an outward springing of the claws into grasping position. The closure sleeve is surrounded by a sheath selectively extensible and relative to the handle and moveable to an extended position fully enclosing the closure sleeve and collapsed claws, the sheath projecting slightly forward thereof whereby the claw tips are recessed relative to the forward end of the sheath and are completely protectively enclosed thereby. The handle of the device, as well as the sheath controlling slide are of complementary rectangular configurations. Cooperating releasible interlocking elements can be provided to fix the sheath in the retracted position.

REFERENCES:
patent: 3958576 (1976-05-01), Komiya
patent: 3989049 (1976-11-01), Yoon
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patent: 4174715 (1979-11-01), Hasson
patent: 4226239 (1980-10-01), Polk et al.
patent: 4230116 (1980-10-01), Watson
patent: 4374523 (1983-02-01), Yoon
patent: 4467802 (1984-08-01), Maslanka
patent: 4493319 (1985-01-01), Polk et al.
patent: 4607620 (1986-08-01), Storz
patent: 4654028 (1987-03-01), Suma
patent: 4655219 (1987-04-01), Petruzzi

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