Amniotic membrane perforator

Surgery – Instruments – Obstetric or gynecological instruments

Patent

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Details

606185, 606167, 606 1, 606171, 606184, A61B 1742

Patent

active

059680555

ABSTRACT:
An amniotic membrane perforator comprising an elongated shaft portion having an arcuate bend at the proximal end of the shaft and a hook at the distal end of the shaft. A flag portion extends perpendicularly to the shaft substantially adjacent the distal end of the shaft, opposite the hook. The cross-section of an extended length of the shaft inward the distal end is substanially oval. During use, the physician's index finger is placed along the flat portion, and the thumb and second finger adjacent the oval cross-section portion.

REFERENCES:
patent: D32846 (1900-06-01), Casselman
patent: 1135987 (1915-04-01), Beecher
patent: 1663761 (1928-03-01), Johnson
patent: 2616434 (1952-11-01), Cataldo
patent: 2635444 (1953-04-01), Carlson
patent: 2676595 (1954-04-01), Dyekjaer
patent: 2811969 (1957-11-01), Shubert
patent: 3624747 (1971-11-01), McKnight et al.
patent: 3670733 (1972-06-01), Carlisle
patent: 5087262 (1992-02-01), Sheahon
patent: 5412871 (1995-05-01), Reyburn et al.
patent: 5539983 (1996-07-01), Reyburn et al.
patent: 5569283 (1996-10-01), Green et al.
Galenica Inc., Amniotic Membrane Perforator (copy of packaging and photograph of sample).
Hollister Amnihook.TM. Amniotic Membrane Perforator (photograph of sample).
Surgi-Hook (photograph of sample).

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