Surgical instrument

Details Surgical instrument Surgical instrument

1994-03-28

1996-03-05

Pellegrino, Stephen C.

Surgery

Instruments

Forceps

606174, 128751, A61B 1728, A61B 1732

Patent

active

054963478

ABSTRACT:
A surgical instrument for treatment in the body cavity, in which an open-close member for treatment is rockably mounted by of a pivot pin on the distal end portion of a sheath to be inserted into the body cavity, and is connected to the distal end of a rod passed through the sheath, by a cam mechanism including a cam groove and a cam pin in engagement therewith. As the rod is moved by an operating handle, the cam mechanism is activated to open and close the open-close member for treatment. The component members of the cam mechanism have external shapes such that those portions on the proximal end side of the position near the pivot pin do not project from the sheath in every operating state.

REFERENCES:
patent: 4712545 (1987-12-01), Honkanen
patent: 4976723 (1990-12-01), Schad
patent: 5052402 (1991-10-01), Bencini et al.
patent: 5147357 (1992-09-01), Rose et al.
patent: 5176702 (1993-01-01), Bales et al.
patent: 5209747 (1993-05-01), Knoepfler
patent: 5282806 (1994-02-01), Haber et al.

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