Surgery – Instruments – Suturing needle
Patent
1989-06-19
1991-03-26
Hafer, Robert A.
Surgery
Instruments
Suturing needle
112 69, A61B 1900
Patent
active
050025643
ABSTRACT:
A spatulated needle is provided wherein a six-sided cross-sectional portion results from a parallel or tapered pair of upper and lower surfaces connected by needle walls and a pair of fluted edges. At the tapered end of the needle, the upper surface alternates resulting in a five-sided cross-section. This improved configuration results in ease of tissue penetration, minimized tissue distortion, and minimized wound trauma. The resultant needle therefore is desirable for usage with refined surgery such as ophthalmology, microsurgery and plastic surgery.
REFERENCES:
patent: 3038475 (1962-06-01), Orcutt
patent: 3094123 (1963-06-01), Kurtz
patent: 3636955 (1972-01-01), Kurtz
patent: 4660559 (1987-04-01), McGregor et al.
patent: 4699142 (1987-10-01), Seal et al.
Maurer Thomas
McGregor Walter
Cofsky Lynda M.
Coletti Paul A.
Ethicon Inc.
Hafer Robert A.
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