Surgical retractor assembly

Details Surgical retractor assembly Surgical retractor assembly

1992-07-10

1994-05-03

Rosenbaum, C. Fred

Surgery

Truss

Perineal

128 3, 604158, 606198, A61B 1702

Patent

active

053078055

ABSTRACT:
A retractor instrument assembly having a sleeve with a non-circular cross-sectional shape, an elongated rod slidably received within the sleeve, and a plurality of blades foldably connected together at an end of the elongated rod. The elongated rod has a handle at one end. The blades are hingedly connected to the rod at the end opposite the handle. The blades are movable between a folded configuration and an unfolded configuration. The folded configuration assumes a position which is slidable within the sleeve. The sleeve has a passageway with a triangular cross-section. The blades are of a generally triangular configuration when in the folded position. The plurality of blades includes a first blade connected to the rod, a second blade resiliently connected to one side of the first blade, and a third blade resiliently connected to an opposite side of the first blade. A remote actuator is provided so as to angularly displace the blades relative to the elongated rod.

REFERENCES:
patent: 4226228 (1980-10-01), Shin et al.
patent: 4239036 (1980-12-01), Krieger
patent: 4654030 (1987-03-01), Moll et al.
patent: 4777939 (1988-10-01), Kees, Jr.
patent: 4802479 (1989-02-01), Haber et al.
patent: 5029573 (1991-07-01), Chow
patent: 5139487 (1992-08-01), Baber
patent: 5152279 (1992-10-01), Wilk

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