Lumbar arthroscopic laser sheath

Details Lumbar arthroscopic laser sheath Lumbar arthroscopic laser sheath

1991-12-19

1993-04-20

Pellegrino, Stephen C.

Surgery

Instruments

Light application

606 16, 606 13, 128 4, 128 6, A61B 1736

Patent

active

052037819

ABSTRACT:
A tool that is retrofit to a conventional arthroscope to add multiple functions. The tool includes a sheath that receives the elongate tube of the arthroscope, and a lock that detachably secures the tool to the arthroscope. A hollow base member is mounted to the sheath, and a first opening formed in the sheath provides fluid communication between the hollow interior of the base member and the sheath. An irrigation control valve is mounted to the base member and supplies irrigation fluid to the site of the surgical procedure through an elongate flexible needle that extends from the irrigation control valve to the distal end of the sheath. A suction control valve has an inlet in communication with a source of negative pressure and vacuums irrigation fluid and surgical debris from the site. A laser tube intersects the sheath at a second opening at an angle and delivers coherent light to the site. Thus, the tool adds a total of three functions to the arthroscope.

REFERENCES:
patent: 4211229 (1980-07-01), Wurster
patent: 4313431 (1982-02-01), Frank
patent: 4597380 (1986-07-01), Raif et al.
patent: 4760840 (1988-08-01), Fournier, Jr. et al.
patent: 4920961 (1990-05-01), Grossi et al.
patent: 4955882 (1990-09-01), Hakky

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