Open wedge osteotomy system and surgical method

A technique of osteotomy and wedge, which is applied in the field of equipment for open wedge osteotomy surgery, can solve the problems affecting long-term results, poor performance, etc.

Active Publication Date: 2009-03-25
ARTHREX
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Third, inaccuracies in performing adjustments to the AP slope can lead to immediate poor outcomes after surgery, or eventual loss of correction that deleteriously affects long-term outcomes

Method used

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  • Open wedge osteotomy system and surgical method
  • Open wedge osteotomy system and surgical method
  • Open wedge osteotomy system and surgical method

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Embodiment Construction

[0138] review

[0139] The present invention includes surgical devices and methods for performing an open wedge osteotomy. In a preferred embodiment of the present invention, the system embodied provides for precise bone resection, precise control over opening of the osteotomy void in the bone, precise implementation of the angle of correction for the open wedge osteotomy , and several new devices and methods providing accurate maintenance of open wedge osteotomies for accommodating bone grafts or filling materials. The present invention provides an instrument-guided system with a minimally invasive approach for performing an open wedge osteotomy procedure. Additionally, the present invention provides implant fixation systems that promote new bone growth and robust bone repair.

[0140] In a preferred form of the invention, the surgical system comprises four main components: (i) a positioning guide 20 for establishing the orientation of the system relative to the patient's...

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Abstract

Surgical apparatus and methods for open wedge osteotomy surgery. The device includes a multi-part osteotomy implant having first, second and third components and a connecting mechanism. Methods used to perform an open wedge osteotomy include cutting guides, mechanical jacks, and multiple-piece implants.

Description

[0001] References to pending existing patent applications [0002] This patent application claims the priority of the following patent applications: [0003] (1) Pending existing U.S. Provisional Patent Application Serial No. 60 / 569,545, filed May 7, 2004 by Vincent P. Novak, entitled OPEN WEDGE OSTEOTOMY SYSTEMAND SURGICAL TECHINQUE (Attorney Docket No. NOVAK-1PROV); [0004] (2) Pending existing U.S. Provisional Patent Application Serial No. 60 / 603,899, filed August 24, 2004 by Vincent P. Novak, entitled OPEN WEDGE OSTEOTOMY SYSTEMAND SURGICAL TECHINQUE (Attorney Docket No. NOVAK-2PROV); [0005] (3) Pending prior US Provisional Patent Application Serial No. 60 / 626,305, filed November 9, 2004 by Vincent P. Novak, entitled OPEN WEDGE OSTEOTOMY SYSTEMAND SURGICAL TECHINQUE (Attorney Docket NOVAK-3PROV). [0006] Accordingly, the three aforementioned patent applications are hereby incorporated by reference. technical field [0007] The present invention relates generally to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F5/00
CPCA61B17/8095A61B17/152
Inventor V·P·诺沃克
Owner ARTHREX
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