The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 06, 2018
Filed:
Jul. 15, 2015
Silony Medical International Ag, Frauenfeld, CH;
Frank Thilo Trautwein, Filderstadt, DE;
Frank Heuer, Filderstadt, DE;
Timo Ohnmacht, Trichtingen, DE;
Silony Medical International AG, Frauenfeld, CH;
Abstract
The invention relates to an osteosynthesis device having a bone screw (), which has a threaded shaft () and a ball head (), and having a fork head (), which has a groove () and two legs (), the ball head () being pivotably supported in the fork head (), and having a pressure piece (), which is seated on the ball head (), the pressure piece () being braced on the fork head () and having two lateral fins () extending in the axial direction () of the fork head () and away from the threaded shaft (); it is proposed that the pressure piece () is supported in the fork head () with prestressing in the axial direction () and thus in the direction toward the ball head () in that at least one of the fins () is slit transversely to the axial direction () of the fork head (), so that a slit () forms a spring tongue (), and the pressure piece () is thereby resiliently embodied and is braced via the spring tongue () on the fork head (), and that a protrusion () protrudes in the axial direction () into the slit (); and that the protrusion (), for limiting deformation or deflection of the spring tongue (), forms a stop (), acting in the axial direction (), for the spring tongue ().