Hard tissue surgical needle

Details Hard tissue surgical needle Hard tissue surgical needle

1982-10-22

1985-04-30

Rosenbaum, C. Fred

Surgery

Truss

Pad

A61B 1706

Patent

active

045137471

ABSTRACT:
An improved surgical needle of the type having one or more cutting edges converging towards the needle tip and formed by the intersection of a plurality of planar surfaces, for use in cutting through hard body tissue material. The forward end of the needle has one or more smaller additional cutting edges located at the tip to aid initial insertion into the tissue. These additional cutting edges are formed by at least two additional intersecting planar surfaces at the tip portion. The needle is preferably curved in the reference plane defined by one of the cutting edges and the axis of the needle.

REFERENCES:
patent: 1599059 (1926-09-01), Morton
patent: 2838049 (1958-06-01), Eisenhofer et al.
patent: 2869550 (1959-01-01), Kurtz
patent: 3038475 (1960-06-01), Orcutt
patent: 3094123 (1963-06-01), Kurtz
patent: 3636955 (1972-01-01), Kurtz
patent: 4128351 (1978-12-01), Kurtz et al.
Ethicon Inc., "Lancet Point Profile", Drawing No. A-2459, by J. Klug, 04/13/72.
"Mani", Catalog of Matsutani Company of Japan, 1977.

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