Source: http://www.google.com/patents/US7758620?dq=inventor:%22Arthur+R.+Hair%22
Timestamp: 2014-09-17 02:09:43
Document Index: 766925142

Matched Legal Cases: ['art 1', 'art 1', 'art 1', 'art 1', 'art 1', 'art 1']

Patent US7758620 - Device for connecting a screw to a support plate - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsThe invention relates to a device which is used for solidly connecting a part such as a plate to an underlying support using at least one fixing element such as a screw. According to the invention, said fixing element takes the form of a threaded rod a screw which passes through a hole housing a ring...http://www.google.com/patents/US7758620?utm_source=gb-gplus-sharePatent US7758620 - Device for connecting a screw to a support plateAdvanced Patent SearchPublication numberUS7758620 B2Publication typeGrantApplication numberUS 10/999,132Publication dateJul 20, 2010Filing dateNov 29, 2004Priority dateSep 24, 2002Fee statusPaidAlso published asUS20050143742Publication number10999132, 999132, US 7758620 B2, US 7758620B2, US-B2-7758620, US7758620 B2, US7758620B2InventorsRobert PorcherOriginal AssigneeStryker Trauma SaExport CitationBiBTeX, EndNote, RefManPatent Citations (30), Referenced by (5), Classifications (5), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetDevice for connecting a screw to a support plateUS 7758620 B2Abstract The invention relates to a device which is used for solidly connecting a part such as a plate to an underlying support using at least one fixing element such as a screw. According to the invention, said fixing element takes the form of a threaded rod a screw which passes through a hole housing a ring belonging to the part, such that it is screwed into the support material. The inventive device is characterized in that the above-mentioned ring is a constriction ring comprising a non-circular outer profile which co-operates with the non-circular inner profile of the hole, which is in the part. In this way, when the ring is rotated in the hole and wedged in place therein, it is constricted, thereby blocking the threaded rod against movement with respect to the plate.
19. The method as set forth in claim 18 wherein the split-ring has a generally spherical outer surface. Description
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation-in-part of WO 2004/028334 A2 filed Sep. 22, 2003, designating the United States, which claimed priority of FR 02/11802 filed Sep. 24, 2002.
BACKGROUND OF THE INVENTION The present invention relates to a device for solidly connecting a part, such as an osteosynthesis plate, to a support, such as a bone mass. The device has at least one fixing component taking the form of a threaded rod or screw passing through an aperture or hole in the plate. The hole includes a ring belonging to the plate such that it can lock the screw after it is screwed into the support material. The plate can be in the form of a spherical acetabular cup shell for contacting the natural acetabulum.
SUMMARY OF THE INVENTION One aspect of the present invention is thus to propose a device for solidly connecting a part, such as a bone plate, on a support, such as a bone, in which the design allows optimally bringing together the plate and the support, pre-operative orientation of the screw, and easy installation and removal of the assembly while offering good resistance to pull out and to the stresses exerted parallel to the plane of the plate.
BRIEF DESCRIPTION OF THE DRAWINGS The invention will be well understood by reading the following description of embodiments, in reference to the included drawings in which:
DETAILED DESCRIPTION Referring to FIG. 1 there is shown the connection device of the present invention generally denoted as 100, comprising a part 1 able to be solidly connected on a support S using at least one fixing element 4. As mentioned above, this device is more specifically intended for the medical field. In this case, the part 1 is an implant generally taking the form of a plate and the support S is at least one bone. Fixing the element 4 for its part comprises a rod or screw threaded over at least part of its length. Rod or screw 4, which ensures the solid connection of the part 1 on the support S, passes through a hole 2 in the plate or part 1 and is anchored on the support S. The hole 2 of this part 1 is provided with a ring 3 traversed by the fixing element 4. The present invention, ring 3 can be constricted at the time of its rotational drive into the hole 2, this constriction of the inner diameter of ring 3 ensuring, generally by cooperation with the head or end part of the thread of the screw or rod 4, immobilization of the threaded rod or screw 4 at the same time as immobilization by wedging ring 3 in the hole 2. This immobilization by wedging is achieved by friction of the external surface of the ring 3 against the internal surface of the hole 2. In effect, the non-circular external profile of the ring 3 cooperates with the non-circular internal profile of the hole 2 in the part 1, such as a bone plate to cause, at the same time as the constriction of the ring, the wedging of the ring 3 in the hole 2. It should be noted that the term circular must be understood in its strictest sense, that is to say where all points are equidistant from a fixed point. An example of possible embodiment of one such profile is specifically given in FIGS. 2 and 3. Profiles closer to circular profile may also be envisaged as shown in FIGS. 6 thru 8.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS5531554Nov 4, 1994Jul 2, 1996Jbs S.A.Self-retaining means for fasteners particularly screwsUS5954722Jul 29, 1997Sep 21, 1999Depuy Acromed, Inc.Polyaxial locking plateUS6193721Feb 11, 1998Feb 27, 2001Gary K. MichelsonMulti-lock anterior cervical plating systemUS6235003Oct 12, 1999May 22, 2001Edward D. DysarzInclined plane latching device for a spring needle cannula and a spring needleUS6454771Jan 4, 2001Sep 24, 2002Gary K. MichelsonAnterior cervical plating systemUS6572622Oct 12, 2000Jun 3, 2003Bernd Sch�ferBone plateUS6575975 *May 4, 2001Jun 10, 2003Synthes (U.S.A.)Bone fixation methodUS6695846 *Mar 12, 2002Feb 24, 2004Spinal Innovations, LlcBone plate and screw retaining mechanismUS6730091May 3, 2000May 4, 2004Medartis AgBlockable bone plateUS7229443 *Jan 18, 2001Jun 12, 2007Biedermann Motech GmbhFastening assembly with improved handling propertiesUS7273481 *Oct 1, 2003Sep 25, 2007Blackstone Medical, Inc.Bone plate assembly provided with screw locking mechanismsUS7303564 *Jan 31, 2003Dec 4, 2007Spinal Concepts, Inc.Spinal plate extender system and methodUS20010037112May 4, 2001Nov 1, 2001Synthes (U.S.A.)Bone fixation assemblyUS20030187440Mar 28, 2003Oct 2, 2003Marc RichelsophBone plate and screw retaining mechanismUS20030187442Mar 12, 2002Oct 2, 2003Marc RichelsophBone plate and screw retaining mechanismUS20050043736Jun 24, 2004Feb 24, 2005Claude MathieuDevice for osteosynthesisUS20070123879 *Feb 5, 2004May 31, 2007Pioneer Laboratories, Inc.Bone plate systemCA2471843A1Dec 24, 2001Jul 10, 2003Synthes (U.S.A.)Device for osteosynthesisDE9308944U1Jun 16, 1993Aug 12, 1993Eska Medical Gmbh & Co, 23556 Luebeck, DeTitle not availableDE10039767A1Aug 16, 2000Jul 26, 2001Impag Gmbh MedizintechnikFastening system for mounting shelf on support comprises sleeve around head of screw, outer surfaces of sleeve and bore in component being shaped like part of surface of and screw being inserted at angle and then tipped to compress sleeveFR2674118A1 Title not availableFR2739151A1 Title not availableFR2744011A1 Title not availableFR2790198A1 Title not availableFR2792185A1 Title not availableWO1994007040A1Sep 16, 1993Mar 31, 1994Hans KuehlDevice for joining at least two elementsWO1999009903A1Aug 27, 1997Mar 4, 1999Kaj KlaueLocking ring with bayonet for plate osteosynthesisWO1999059492A1May 19, 1998Nov 25, 1999Robert FriggOsteosynthetic implant with an embedded hinge jointWO2003055401A1Dec 24, 2001Jul 10, 2003Synthes AgDevice for performing osteosynthesisWO2004086990A1Mar 26, 2004Oct 14, 2004Medartis AgHousing for a locking element and locking element* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS8287575 *Nov 9, 2006Oct 16, 2012Stryker Trauma GmbhPolyaxial locking mechanismUS8337534 *Jun 15, 2010Dec 25, 2012Orthofix S.R.L.Device for the ostheosynthesis of proximal humerus fracturesUS8556909Nov 9, 2011Oct 15, 2013Stryker Trauma GmbhSystem for inserting a pin into a screwUS20100249853 *Jun 15, 2010Sep 30, 2010Orthofix International B.V.Device for the ostheosynthesis of proximal humerus fracturesUS20120179207 *Jan 10, 2011Jul 12, 2012Anis MekhailSurgical plate system and method* Cited by examinerClassifications U.S. Classification606/290, 606/289International ClassificationA61B17/80Cooperative ClassificationA61B17/8047European ClassificationA61B17/80D6Legal EventsDateCodeEventDescriptionJan 16, 2014FPAYFee paymentYear of fee payment: 4RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google