Surgical screw retention clip and method of using the same

Details Surgical screw retention clip and method of using the same Surgical screw retention clip and method of using the same

B - Operations, Transporting

25

B

B25B 23/10 (2006.01) A61B 17/58 (2006.01) A61B 17/86 (2006.01) A61B 17/88 (2006.01)

Patent

CA 2714032

A clip for retaining a screw on a tip of a screwdriver shaft. The clip comprises a housing that has a first end and a second end and a longitudinal axis extending therebetween. The housing includes a longitudinal bore that is accessible from both the first and second ends of the housing. A pair of jaw members is provided on the housing proximate the first end thereof. The jaw members surround a first portion of the bore and are configured to capture and retain a length of the screwdriver shaft therebetween. A pair of clamping members is formed on the housing proximate the second end thereof. The clamping members surround a second portion of the bore and are configured to capture a head of the surgical screw therebetween. During use, the screwdriver shaft is pushed downwardly and twisted slightly within the bore to engage the head of the screw. The screw is threadably engaged in a pre-drilled hole in the patient's bone. When the screw is sufficiently engaged to prevent it from accidently being dislodged, the clip is disengaged from the screw. The retaining clip prevents the screw from accidentally dropping off the screwdriver and allows the surgeon to use a single hand to install the screw.

Pince de retenue de vis à l'extrémité d'une tige de tourne-vis, comprenant une enceinte à première extrémité et seconde extrémité séparées par un axe longitudinal. Ladite enceinte comporte un trou longitudinal accessible depuis les deux extrémités citées. Une paire de mâchoires est établie sur l'enceinte à proximité de la première extrémité. Les mâchoires entourent une première partie du trou et permettent de saisir et de retenir une longueur de la tige du tourne-vis. Une paire d'éléments de serrage est établie sur l'enceinte à proximité de la seconde extrémité, entourant une seconde partie du trou et permettant de saisir une tête de vis chirurgicale. A l'utilisation, la tige de tourne-vis est poussée vers le bas et légèrement mise en torsion dans le trou, aux fins d'enclenchement avec la tête de vis. La vis s'enclenche en filetage dans un trou pré-perçé à l'intérieur de l'os. Lorsque la vis est suffisamment enclenchée et ne peut pas être délogée par accident, la pince est désolidarisée de la vis. La pince de retenue empêche la vis de tomber accidentellement du tourne-vis, et le chirurgien utilise alors un seule main pour installer la vis.

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