Trocar sleeve

Details Trocar sleeve Trocar sleeve

1991-12-12

1994-01-18

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

128 3, 128 4, 604 33, 604158, 604164, 604165, 604166, 604167, 604169, A61M 500

Patent

active

052795934

ABSTRACT:
The invention relates to a trocar sleeve having a piston of a piston valve which can be brought into the open position against spring action by means of pressure on an actuation handle, which piston has a bore corresponding to the diameter of the access channel of the trocar sleeve. The valve piston can be fixed in its open position in the valve housing against its spring loading by a catch which can be released by hand.

REFERENCES:
patent: 1213001 (1917-01-01), Philips
patent: 3476133 (1969-11-01), Stedfeld
patent: 4650470 (1987-03-01), Epstein
patent: 4972827 (1990-11-01), Kishi et al.

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