Device and method for resecting body tissues

Details Device and method for resecting body tissues Device and method for resecting body tissues

A - Human Necessities

61

B

A61B 17/14 (2006.01) A61B 17/32 (2006.01) A61B 17/00 (2006.01) A61B 17/22 (2006.01) A61B 17/28 (2006.01) A61B 18/04 (2006.01) A61B 18/08 (2006.01)

Patent

CA 2334147

A resecting device for use in tissue removal is disclosed. The resecting device includes a cannula (12) having a hollow (14) which is sized for introduction into a body. The cannula (12) is formed with at least one, preferably a plurality of, cutting openings (22) each having a cutting edge (24). The resecting device further includes a rotating mechanism (26) which is connectable through a shaft (28) to the cannula (12), and which serves for rotating the cannula (12) around a longitudinal axis thereof. As a result of such rotation, the cannula's construction when the cannula (12) is contacted with the tissue, the cutting edges (24) of the cutting openings (22) dissect the tissue, and direct the dissected tissue through the openings (22) into the hollow (14) of the cannula (12).

L'invention concerne un ensemble résecteur permettant l'ablation tissulaire. L'ensemble résecteur comprend une canule (12) présentant une cavité (14), laquelle canule est taillée de manière à pénétrer dans un corps. Ladite canule (12) est composée d'au moins une, de préférence plusieurs, ouverture(s) tranchante(s) (22) présentant chacune un tranchant (24). L'ensemble résecteur comprend également un mécanisme rotatif (26) que l'on peut relier, au moyen de la tige (28) à la canule (12), et qui permet la rotation de ladite canule (12) autour d'un axe longitudinal. Sous l'action de la rotation de l'ensemble canule et lorsque ladite canule entre en contact avec le tissu, les tranchants (24) dissèquent le tissu et l'expédient, à travers les ouvertures tranchantes (22), dans la cavité (14) de la canule (12).

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