A wound retractor

Details A wound retractor A wound retractor

A - Human Necessities

61

B

A61B 17/02 (2006.01)

Patent

CA 2385835

A retractor (101) for retracting the margins of a wound opening (103) comprises an inner anchoring O-ring (105) attached to a cylindrical sleeve (106) at a distal end and a reinforcing O-ring (109) attached to a proximal end of the sleeve (106). The sleeve (106) is led between an inner ring part (110) and a corresponding recess (116) in an outer ring part (111). The outer ring part (111) has anchor formations (120) over which the proximal end of the sleeve (106) is attached to anchor the sleeve (106). To retract the wound opening (103) the sleeve (106) is pulled while the guide rings (110, 111) are moved against the tissue surrounding the wound opening (103). This pulls the inner O-ring (105) against the inside of the tissue adjacent the wound opening (103), and retracts the wound opening (103). The sleeve (106) is manipulated locally for maximum retraction efficiency.

La présente invention concerne un écarteur (101), destiné à écarter les lèvres d'une plaie (103), comprenant un joint torique intérieur de fixation (105), attaché à l'extrémité distale d'un manchon cylindrique (106), et un joint torique de renforcement (109) attaché à une extrémité proximale du manchon. Le manchon (106) est passé entre une partie de bague intérieure (110) et un creux correspondant (116) d'une partie d'anneau extérieur (111). La partie d'anneau extérieur (111) comporte des formations de fixation (120) sur lesquelles l'extrémité proximale du manchon (106) est ancrée afin de fixer le manchon (106). Afin d'écarter les lèvres de la plaie (103), on tire le manchon (106) alors que la bague et l'anneau de guidage (110, 111) sont déplacés contre le tissu qui entoure les lèvres de la plaie (103). En conséquence, le joint torique intérieur (105) est tiré contre l'intérieur du tissu adjacent à la plaie (103) et permet ainsi d'écarter la plaie (103). Le manchon (106) est manipulé localement pour un maximum d'efficacité d'écartement.

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