Source: https://patents.google.com/patent/US8945194
Timestamp: 2018-02-22 21:04:53
Document Index: 519364838

Matched Legal Cases: ['Application No. 100', 'Application No. 100', '§102', '§112', '§146', '§112', '§41', '§112', '§102', '§102', '§112', '§112']

US8945194B2 - Bone screw - Google Patents
US8945194B2
US8945194B2 US13191299 US201113191299A US8945194B2 US 8945194 B2 US8945194 B2 US 8945194B2 US 13191299 US13191299 US 13191299 US 201113191299 A US201113191299 A US 201113191299A US 8945194 B2 US8945194 B2 US 8945194B2
US13191299
US20120101532A1 (en )
This application is a continuation of U.S. application Ser. No. 11/319,427, filed Dec. 29, 2005 now abandoned, which is a continuation of U.S. application Ser. No. 10/763,431, filed Jan. 22, 2004, now U.S. Pat. No. 8,409,260, which is a continuation of U.S. application Ser. No. 10/037,698, filed Nov. 9, 2001, now U.S. Pat. No. 6,736,820, which claims the priority of German Patent Application No. 100 65 397.9, filed Dec. 27, 2000 and German Patent Application No. 100 55 888.7, filed Nov. 10, 2000 the disclosures of which are incorporated herein by reference.
In the embodiment shown in FIGS. 1 and 2, in the direction of the arrow 9, whose direction lies in a plane going through the axis of symmetry of the first bore and which is inclined to the axis of symmetry by a predetermined angle, a circular countersink 10 is made in the edge between the opening plane 11 of the second bore and the edge 12-of the first bore.
a coupling element for coupling a rod to the bone fixation assembly, the coupling element having a single inner surface defining a first bore coaxial with a first longitudinal axis and a second bore communicating with the first bore; and
an anchoring element having a first end for insertion into bone and a second end positionable within the second bore, the anchoring element being movable relative to the coupling element in at least a first direction at a first angle relative to the first longitudinal axis and in at least a second direction at a second angle relative to the first longitudinal axis, the second angle being greater than the first angle.
3. The assembly of claim 2, wherein the first end of the anchoring element is configured to project from said lower end of said coupling element.
4. The assembly of claim 2, wherein said second bore includes a seat adjacent said lower end of said coupling element, said anchoring element has a head, and wherein said seat is adapted to engage an underside of the head of said anchoring element.
5. The assembly of claim 4, wherein the underside of the head is substantially spherical, and wherein said seat has a substantially concave surface adapted to engage the spherical underside of said head.
6. The assembly of claim 5, further comprising a locking element engageable with said coupling element for locking the position of said coupling element with respect to said anchoring element.
7. The assembly of claim 4, further comprising a locking element engageable with said coupling element for locking the position of said coupling element with respect to said anchoring element, and wherein said locking element is configured to urge a stabilizing rod toward said lower end of said coupling element which in turn forces said head of said anchoring element against said seat for locking said coupling element and said anchoring element from further movement relative to one another.
8. The assembly of claim 1, wherein said coupling element has an exterior surface, an upper end and a lower end, and wherein said coupling element comprises cuts between said exterior surface and said rod-receiving openings extending from said upper end toward said lower end for minimizing the width of said coupling element.
9. The assembly of claim 1, wherein said anchoring element is a screw fastener having screw threads extending from said first end toward a second end thereof.
10. The bone fixation assembly of claim 1, further comprising a counterbore formed on the opening plane of the second bore.
11. The bone fixation assembly of claim 1, wherein an upper end of the coupling element comprises opposed spaced apart flanges defining an aperture configured to receive a rod.
12. The bone fixation assembly of claim 1, wherein the first end of the anchoring element is threaded to engage with the bone upon insertion.
US13191299 2000-11-10 2011-07-26 Bone screw Active 2023-02-09 US8945194B2 (en)
US11319427 Continuation US20060106383A1 (en) 2000-11-10 2005-12-29 Bone screw
US14579838 Continuation US9566093B2 (en) 2000-11-10 2014-12-22 Bone screw
US20120101532A1 true US20120101532A1 (en) 2012-04-26
US8945194B2 true US8945194B2 (en) 2015-02-03
Answer of Defendants Biedermann Motech and Depuy Spine to First Amended Complaint, dated Feb. 11, 2009, Document 23, Stryker Spine v. Biedermann Motech GmbH, Case 1:08-cv01827-CKK, 16 pages.
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Defendants' Opposition to Motion of Plaintiff Stryker Spine for Summary Judgment Regarding Unpatentability of Defendants' Claims Under 35 U.S.C. §§102 and 103, dated Jun. 19, 2009, Document 38, Stryker Spine v. Biedermann Motech GmbH, Case 1:08-cv-01827-CKK, 47 pages and Documents 38-2 through 38-14.
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Motion of Plaintiff Stryker Spine for Summary Judgment Regarding Defendants' Failure to Comply With 35 U.S.C. §112, dated May 29, 2009, Document 32, Stryker Spine v. Biedermann Motech GmbH, Case 1:08-cv-01827-CKK, 54 pages and Documents 32-2 through 32-13.
Motion of Plaintiff Stryker Spine for Summary Judgment Regarding Unpatentability of Defendants' Claims Under 35 U.S.C. §§102 and 103, dated May 29, 2009, Document 33, Stryker Spine v. Biedermann Motech GmbH, Case 1:08-cv-01827-CKK, 43 pages and Documents 33-2 through 33-8.
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Reply of Plaintiff Stryker Spine in Further Support of Its Contingent Motion for Summary Judgment Regarding Defendants' Failure to Comply With 35 U.S.C. §112, dated Jul. 6, 2009, Document 44, Stryker Spine v. Biedermann Motech GmbH, Case 1:08-cv-01827-CKK, 16 pages and Documents 44-2 through 44-3.
Reply of Plaintiff Stryker Spine in Further Support of Its Motion for Summary Judgment Regarding the PTO's Erroneous Refusal to Redefine the Interference "Count," filed on Jul. 6, 2009; Case No. I:08-cv-1827-CKK, 30 pages.
Response by Plaintiff Stryker Spine to Defendants' Proposed Findings of Fact and Conclusions of Law, dated Sep. 27, 2010, Document 84, Stryker Spine v. Biedermann Motech GmbH, Case 1:08-cv-01827-CKK, 25 pages and Exhibit A—9 pages.
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U.S. District Court, District of Columbia (Washington, DC), Civil Docket for Case #:1:08-cv-01827-CKK, 18 pages.