Surgical instrument

Details Surgical instrument Surgical instrument

A - Human Necessities

61

B

A61B 17/32 (2006.01) A61B 17/28 (2006.01)

Patent

CA 2251540

A surgical instrument comprises a first member extending distally from a proximal end and having an opening in a distal region for admitting tissue, and a second member disposed within the first member for moving a cutting implement and causing it to cut tissue that is exposed to the implement through the opening. A knob is attached to the proximal end of the first member and is mounted in rotatable engagement with a hub of the instrument to rotate the first member and selectively change a rotational orientation of the opening with respect to the hub. The knob is axially movable with respect to the hub to a locked position in which the knob nonrotatably engages the hub.

Instrument chirurgical qui comprend un premier élément qui s'étend à partir d'une extrémité proximale et qui est muni d'une ouverture dans une région distale pour recevoir le tissu et un second élément inséré dans le premier pour déplacer un dispositif de coupe et faire en sorte que celui-ci coupe le tissu exposé par l'ouverture. Un bouton est fixé à l'extrémité proximale du premier élément et est articulé autour d'un pivot de l'instrument de façon à pouvoir faire tourner le premier élément et changer sélectivement l'orientation de l'ouverture par rapport au pivot. Le bouton peut se déplacer dans un axe par rapport au pivot de façon à être en position de verrouillage, le bouton ne pouvant plus tourner autour du pivot.

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