Four blade medical retractor

Details Four blade medical retractor Four blade medical retractor

1995-02-01

1997-09-16

Apley, Richard J.

Surgery

Specula

Retractor

600219, 600227, 600231, A61B 132

Patent

active

056674813

ABSTRACT:
A four blade medical retractor for holding open a body or surgical cavity. A first blade is fixedly mounted to the first leg of an L-shaped frame. A second blade is slidably mounted to the second leg of the frame and includes a spring biased pawl to control motion of the second blade relative to the first blade. A third blade is slidably mounted to the first leg and also includes a pawl to control motion of the third blade along the first leg. A carrier mounted to the second leg holds a fourth blade which is movable both along the length of the second leg and also to and from the third blade.

REFERENCES:
patent: 3038468 (1962-06-01), Raeuchle
patent: 3724449 (1973-04-01), Gauthier
patent: 3750652 (1973-08-01), Sherwin
patent: 4130113 (1978-12-01), Graham
patent: 5081983 (1992-01-01), Villalta et al.
patent: 5183032 (1993-02-01), Villalta et al.
patent: 5299563 (1994-04-01), Seton

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