Surgery – Truss – Perineal
Patent
1980-02-19
1982-07-06
Cohen, Lee S.
Surgery
Truss
Perineal
A61B 1702
Patent
active
043377629
ABSTRACT:
A surgical retractor includes an annular support ring and a unitary retractor arm movably attached thereto by a clamp. The clamp includes a captive nut and a stop on the arm prevents the clamp from becoming separated from the arm.
REFERENCES:
patent: 2383705 (1943-04-01), Bortagaray
patent: 3040739 (1962-06-01), Grieshaber
patent: 3394700 (1968-07-01), Yamamoto
patent: 3749088 (1973-07-01), Gauthier
patent: 3965890 (1976-06-01), Gauthier
patent: 4010741 (1977-03-01), Gauthier
Cohen Lee S.
Swisher Nancy A. B.
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