Surgical instrument with snag free box hinge

Details Surgical instrument with snag free box hinge Surgical instrument with snag free box hinge

2008-04-01

2008-04-01

Woo, Julian W. (Department: 3734)

Surgery

Instruments

Forceps

C081S416000

Reexamination Certificate

active

10284519

ABSTRACT:
A surgical instrument includes a pair of elongated members joined together by a box hinge. The box hinge is formed of a slot in the first member having substantially flat, generally parallel sides and a hinge portion in the second member. The hinge portion of the second member conforms to the generally flat surfaces of the slot and is generally the same width as that of the second member on either side of the box hinge. The width of the first elongated member is larger than the width of the second elongated member at either end of the box hinge portion. The transitional slope of the side surfaces of the second elongated member is nearly flat between the box hinge portion, the handle end portion, and the working tip portion. The unique construction of the box hinge creates a snag-free surface that allows for the use of the instrument for tasks such as suturing without the suturing thread snagging on the instrument.

REFERENCES:
patent: 2726657 (1955-12-01), Tabrah
patent: 3503398 (1970-03-01), Raible et al.
patent: 3763726 (1973-10-01), Hildebrand
patent: 4803983 (1989-02-01), Siegel
patent: 4821719 (1989-04-01), Fogarty
patent: 5624454 (1997-04-01), Palti et al.
patent: 6733508 (2004-05-01), Propp et al.
patent: 23 64 287 (1975-06-01), None
patent: 201 13 018 (2001-11-01), None

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