Surgery – Truss – Perineal
Patent
1977-03-11
1979-05-22
Michell, Robert W.
Surgery
Truss
Perineal
A61B 100
Patent
active
041553551
ABSTRACT:
A circular surgical retractor apparatus which is characterized by providing a metal bar ring having continuous arc-shaped concaves on its internal and external circumferences, providing hooks at appropriate places on the lower surface of surgical clamps having a clamping head which is a hollow and curved frame of a metal bar, and engaging the hooks with the metal bar ring.
REFERENCES:
patent: 2013892 (1935-09-01), Lucas
patent: 2623517 (1952-12-01), Barlow et al.
patent: 2850008 (1958-09-01), Resch
patent: 3394700 (1968-07-01), Yamamoto
Kruter J.
Michell Robert W.
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