Illuminated retractor

Details Illuminated retractor Illuminated retractor

1993-12-16

1996-05-28

Apley, Richard J.

Surgery

Specula

Retractor

600246, 600212, 600235, A61B 1702

Patent

active

055206115

ABSTRACT:
An illuminated retractor provides illumination to a surgical field deep in a cavity in a patient's back. The illuminated retractor has a first blade that is inserted into the cavity and hooks on a vertebrae. A second blade lies on the patient's back. Weights applied to the second blade hold the cavity open. Fiber optic cables are embedded in the illuminated retractor. Output ends of the fiber optic cables terminate at a step in the first blade. Input ends of the fiber optic cables extend from a second blade and are gathered into a fitting. By connecting the fitting to a source of illumination, light is provided by the fiber optic cables output ends to the surgical field. The illuminated retractor first blade is smooth and occupies minimum space so as to not interfere with the surgeon's fingers or instruments.

REFERENCES:
patent: 3796214 (1974-03-01), Davis
patent: 3809072 (1974-05-01), Erser et al.
patent: 4086919 (1978-05-01), Bullard
patent: 4344419 (1982-08-01), Burgin
patent: 4562832 (1986-01-01), Wilder et al.
patent: 4597030 (1986-06-01), Brody et al.
patent: 4996976 (1991-03-01), Nakagawa
patent: 5035232 (1991-07-01), Lutze et al.
Exhibit A --From a catalog by Walter Lorenz Company showing lighted dental retractor.
Exhibit B --from a catalog by Walter Lorenz Surgical, Inc. showing neurosurgery retractor.

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