Tapered I-beam surgical needles

Details Tapered I-beam surgical needles Tapered I-beam surgical needles

1987-04-10

1989-01-24

Pinkham, Richard C.

Surgery

Truss

Pad

D24 26, A61B 17O4

Patent

active

047994843

ABSTRACT:
Surgical needles are described which exhibit a tapered region intermediate the point and barrel sections, over which the needles undergo a gradual transition in shape from a generally rounded circumference to a rectangular I-beam shape. The I-beam shape affords favorable strength characteristics and the gradual transition in shape smoothes the changes in penetration force performance.

REFERENCES:
patent: 1506262 (1924-08-01), Slater
patent: 2841150 (1959-07-01), Riall
patent: 2878979 (1959-03-01), Lippard
patent: 3038475 (1962-06-01), Orcutt
patent: 3160157 (1964-12-01), Chisman
patent: 3197997 (1965-08-01), Kurtz
patent: 3238942 (1966-03-01), Lincoff
patent: 3386438 (1968-06-01), Stevens
patent: 4128351 (1978-12-01), Kurtz et al.

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