Cannula for an arthroscope

Details Cannula for an arthroscope Cannula for an arthroscope

1989-03-17

1990-11-27

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

128 4, A61M 2500

Patent

active

049733214

ABSTRACT:
A tubular cannula having inwardly radially directed projections for closely supporting an arthroscopic viewing element is disclosed. The use of radially directed projections to support the arthroscopic viewing element permits the creation of an increased volumetric space between the inside wall of the cannula and the arthroscopic viewing element, thereby permitting an increased fluid flow during an operation using the device while at the same time increaseing the support for the arthroscope.

REFERENCES:
patent: 4717379 (1988-01-01), Ekholmer
patent: 4840623 (1989-06-01), Quackenbush

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