Cannula having side opening

Details Cannula having side opening Cannula having side opening

1989-04-24

1990-09-25

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

049590588

ABSTRACT:
A tubular cannula for use with an arthroscope consisting of a protective tubular sleeve for surrounding the arthroscope, the sleeve having a narrow diameter portion slightly larger than the diameter of the arthroscope at its lower end for supporting the arthroscopic viewing element is disclosed. A series of openings, in the form of slots are located along the side of the cannula near the point of transition from the normal diameter to the narrow diameter for permitting the flow of fluids between the inside wall of the cannula and the outside wall of the arthroscope.

REFERENCES:
patent: 4857057 (1989-08-01), Sanagi
patent: 4867747 (1989-09-01), Yarger

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