Osteosynthesis screw, especially for application by a...

A - Human Necessities – 61 – B

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

A61B 17/86 (2006.01) A61B 17/88 (2006.01) F16B 39/28 (2006.01) F16B 35/04 (2006.01)

Patent

CA 2336934

An osteosynthesis screw (1) used especially for application by a translaminar vertebral screw, comprises a shaft (3) at least partially provided with a thread (2) and a head (4) formed at one of its ends and having a notch (5) for a tool. Said shaft (3) has a section (A) with a thread (2) on the end section oriented towards the head (4). The remaining section (B) of the shaft (3) up to the free end is produced without a thread. The head (4) has a diameter (D1) corresponding at least approximately to the outer diameter (DA) of the thread (2) and is provided with the inner notch (5) for a tool. The section (A) of the shaft (3) with the thread (2) has a configuration of uniform thickness, e.g. a trilobular configuration. Thus, the invention provides an osteosynthesis screw (1) exhibiting a short section (A) with a thread (2) and a long section (B) without a thread, said screw having a pull-out head (4) which is secured both axially and rotationally.

Une vis d'ostéosynthèse (1), s'utilisant notamment lors d'une fixation par vis vertébrale translaminaire, comporte une tige (3) munie au moins partiellement d'un filetage (2), ainsi qu'une tête (4) formée à une extrémité de celle-ci et présentant une entaille (5) pour un outil. La tige (3) possède, au niveau de la section terminale tournée vers la tête (4), une région (A) munie d'un filetage (2). La région restante (B) de la tige (3) jusqu'à l'extrémité libre est réalisée sans filetage. La tête (4) présente un diamètre (D1) correspondant au moins approximativement au diamètre extérieur (DA) du filetage (2) et est munie de l'encoche intérieure (5) destinée à un outil. La région (A) de la tige (3) munie du filetage (2) présente une configuration d'épaisseur uniforme, par exemple trilobée. On dispose ainsi d'une vis d'ostéosynthèse (1) présentant une courte région (A) munie d'un filetage (2) et une longue région (B) sans filetage, vis dans laquelle la tête (4) est escamotable et qui est maintenue bloquée aussi bien dans le sens de rotation que dans le sens axial.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Osteosynthesis screw, especially for application by a... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Osteosynthesis screw, especially for application by a..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Osteosynthesis screw, especially for application by a... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1834153

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.