Stamped clevis for endoscopic instruments and method of...

A - Human Necessities – 61 – B

Patent

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A61B 10/00 (2006.01) A61B 17/28 (2006.01)

Patent

CA 2233678

A stamped clevis (100) is made from a stainless steel sheet which is cut (stamped) to form at least one relatively narrow distally extending arm (106, 108) and at least one relatively broad proximal base (102, 104). The distal arm is provided with at least one mounting hole (110, 112) for receiving an axle pin, and the proximal portion is wrapped to form a cylinder or a broken cylinder. In one embodiment, the sheet is cut to form two relatively broad proximal bases (102, 104) and two relatively narrow substantially parallel distal arms (106, 108), one arm extending from each base and being provided with a mounting hole. The arms are joined by a cross member (114) proximal of the mounting holes and a central tab (117) having a third mounting hole (118) that extends distally from the cross member. The cut sheet is formed by bending the cross member on either side of the tab in an "S" configuration.

La présente invention concerne un élément d'accouplement poinçonné (100), fabriqué à partir d'une tôle d'acier inoxydable qui est découpée (poinçonnée) de manière à former au moins un bras relativement étroit (106, 108), qui s'étend vers l'extrémité distale et au moins une base proximale relativement large (102, 104). Le bras distal présente au moins un trou de montage (110, 112) destiné à recevoir un axe, et la partie proximale est enroulée pour former un cylindre ou un tronc de cylindre. Dans un mode de réalisation, la tôle est découpée de manière à former deux bases proximales relativement larges (102, 104) et deux bras distaux sensiblement parallèles et relativement étroits (106, 108), chaque bras partant de l'une des bases et présentant un trou de montage. Les bras sont reliés par un élément transversal (114) proche des trous de montage. Une languette médiane (117), qui présente un troisième trou de montage (118), part de l'élément transversal dans le sens distal. La tôle poinçonnée est formée par cintrage de l'élément transversal de chaque côté de la languette, donnant une forme en S.

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