Trocar valve assembly

Details Trocar valve assembly Trocar valve assembly

1996-03-01

1998-01-20

Hafer, Robert A.

Surgery

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

Treating material introduced into or removed from body...

604256, A61M 3922

Patent

active

057096643

ABSTRACT:
A trocar having a working channel extending along an between a distal end and a proximal end includes a cannula at the distal end and a housing at the proximal end which define a working channel of the trocar. A valve disposed in the working channel separates the trocar into regions proximal of the valve and regions distal of the valve. The valve includes elastomeric means which form a first seal that is openably closable across the working channel. A wall of the valve extends radially outwardly of the elastomeric means and forms a second seal with the housing. The trocar also includes means for defining a passage extending from regions exterior of the trocar through the regions proximal of the valve and into the regions distal of the valve. Valve means disposed across this passage controls the administration of fluid through the passage and into the working channel of the cannula.

REFERENCES:
patent: 3861416 (1975-01-01), Wichterle
patent: 4143853 (1979-03-01), Abramson
patent: 4177814 (1979-12-01), Knepshield et al.
patent: 4222126 (1980-09-01), Boretos et al.
patent: 4240411 (1980-12-01), Hosono
patent: 4364127 (1982-12-01), Pierce et al.
patent: 4375864 (1983-03-01), Savage
patent: 4424833 (1984-01-01), Spector et al.
patent: 4475548 (1984-10-01), Muto
patent: 4492253 (1985-01-01), Raftis
patent: 4535819 (1985-08-01), Atkinson et al.
patent: 4566493 (1986-01-01), Edwards et al.
patent: 4673393 (1987-06-01), Suzuki et al.
patent: 4765588 (1988-08-01), Atkinson
patent: 4798584 (1989-01-01), Hillsted
patent: 4809679 (1989-03-01), Shimonaka et al.
patent: 4957062 (1990-09-01), Russell
patent: 4960412 (1990-10-01), Fink
patent: 5010925 (1991-04-01), Atkinson et al.
patent: 5122123 (1992-06-01), Vaillancourt
patent: 5125915 (1992-06-01), Berry
patent: 5141498 (1992-08-01), Christian
patent: 5167636 (1992-12-01), Clement
patent: 5197955 (1993-03-01), Stephens et al.
patent: 5269763 (1993-12-01), Boehmer et al.
patent: 5383860 (1995-01-01), Lau
patent: 5496280 (1996-03-01), Vandenbroek et al.

Affiliated with

Also associated with

Rating

Trocar valve assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Trocar valve assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Trocar valve assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-722102