Self-locking holding device with single-point fixation

Details Self-locking holding device with single-point fixation Self-locking holding device with single-point fixation

A - Human Necessities

61

B

A61B 17/00 (2006.01) A61B 19/00 (2006.01) F16C 11/06 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2240456

The insert (4) of the holding device possesses fins (4b) that are arranged according to the shape of a hole so that, after being introduced into the hole, they are form-fitting, and make the hooks (4c) engage at the edge of the hole. The locking piece (3), which fits non-positively to the inside of the fins (4b), fixes the fins (4b) in position. The locking piece (3) in turn is prevented from slipping out unintentionally by the fixing piece (1). Depending on the embodiment, a pretensioning wheel (5) can increase the hold and allow adjustment to different wall thicknesses (7), and a guide sleeve (2) can enable intruments (6) to be guided precisely.

La partie d'insertion (4) du support selon l'invention présente des lamelles (4b) qui sont disposées, en fonction de la forme d'un trou, de façon telle qu'après introduction dans le trou, elles soient en liaison de forme et que les crochets (4c) viennent s'accrocher sur le bord du trou. La partie de blocage (3), qui est en liaison de force avec le côté intérieur des lamelles (4b), fixe les lamelles (4b) en position. Une sortie intempestive de la partie de blocage (3) est empêchée par la partie de fixation (1). Selon le mode de réalisation, une roue de prétention (5) peut augmenter le maintien et permettre l'adaptation à différentes épaisseurs de parois (7) et une douille de guidage (2) peut permettre un guidage précis d'instruments (6).

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