Arthroscopic retractors

Details Arthroscopic retractors Arthroscopic retractors

1993-03-11

1994-09-13

Thaler, Michael H.

Surgery

Truss

Perineal

606192, 606198, 604 96, 604105, A61M 2902

Patent

active

053459270

ABSTRACT:
A retractor for use in arthroscopic surgery. The retractor has a mechanical expanding portion for expanding against sub-surface tissues when the retractor is in use. The retractor also has a fluid-operated expanding portion, which may be independently controllable, for expanding against sub-surface tissues when the retractor is in use. The retractor is inserted through a small percutaneous opening, expanded in sub-surface tissues without significantly damaging the tissue, then collapsed after use for removal. The retractor can be manipulated to allow the surgeon to push or pull or lever on tissue. The retractor can be hollow like a cannula to per,nit the passage of one or more surgical devices through the retractor, with a side portal into the center of the retractor.

REFERENCES:
patent: 1863057 (1932-06-01), Innes
patent: 1909967 (1933-05-01), Jones
patent: 3397699 (1968-08-01), Kohl
patent: 4608965 (1986-09-01), Anspach et al.
patent: 5041093 (1991-08-01), Chu
patent: 5122122 (1992-06-01), Allgood

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