Arthroscopic surgery system

Details Arthroscopic surgery system Arthroscopic surgery system

1991-03-14

1991-12-10

Hirsch, Paul J.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604170, 606191, A61M 2900

Patent

active

050714104

ABSTRACT:
An arthroscopic surgery system involves creating a passageway (18) in a predetermined location between the joint area (10) and the external surface (12) of the surrounding tissue (14) by inserting a pin (22), enlarging the passageway by passing a tubular rod (24) over the pin (22), and inserting a cannula (26) over the rod (24) to further enlarge the passageway (18) and to thereby allow insertion of surgical instruments (28) into the joint area. Use of this method avoids multiple punctures of tissue and joint capsule and reduces associated trauma and morbidity. Where the joint area is visualized through an arthroscope (20), the method permits precise triangulation at any angle to the arthroscope.

REFERENCES:
patent: 3811449 (1974-05-01), Gravlee
patent: 4306562 (1981-12-01), Osborne
patent: 4417886 (1983-11-01), Frankhouser
patent: 4449532 (1984-05-01), Storz
patent: 4798193 (1989-01-01), Giesy et al.
patent: 4981482 (1991-01-01), Ichikawa
patent: 4994027 (1991-02-01), Farrell
Jul. 1989, Surgical Rounds for Orthopaedics, vol. 3, No. 7, A Complete System for Arthroscopy and Bursoscopy of the Shoulder; Stephen J. Snyder, M.D. pp. 57.gtoreq.65.

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