Metal injection molding of spinal fixation systems components

Inactive Publication Date: 2006-11-02
WARSAW ORTHOPEDIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006] What is needed is an improved method to fabricate spinal fixation systems, and systems so fabricated that have a variable flexibility across their cross-section. Additionally, what is needed are components for spinal fixa

Problems solved by technology

Damage to one or more components of the spinal column, such as an intervertebral disc, may result from disease or trauma and cause instability of the spinal column.
There are some disadvantages associated with the use of rigid spinal fixat

Method used

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  • Metal injection molding of spinal fixation systems components
  • Metal injection molding of spinal fixation systems components
  • Metal injection molding of spinal fixation systems components

Examples

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Example

[0013] The following description is intended to convey a thorough understanding of the various embodiments of the invention by providing a number of specific embodiments and details involving methods of fabricating components for use in spinal fixation systems and components produced thereby. It is understood, however, that the present invention is not limited to these specific embodiments and details, which are exemplary only. It is further understood that one possessing ordinary skill in the art, in light of known systems and methods, would appreciate the use of the invention for its intended purposes and benefits in any number of alternative embodiments.

[0014] An embodiment of the invention provides a method of making a component of a spinal fixation system. The method comprises providing a mixture including a powder of at least one metal or metal alloy and a polymeric binder. The spinal fixation system component may be formed from the mixture using a metal-injection-molding pro...

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Abstract

A method of making a component of a spinal fixation system. The method may comprise providing a mixture of a powder of at least one metal or metal alloy and a polymeric binder. A metal-injection-molding process may use the mixture to form a component for a spinal fixation system. The components may have varying flexibility across their cross-sections. Also, components are provided that are produced by this process, such as spinal fixation rods and plates.

Description

FIELD OF THE INVENTION [0001] Embodiments of the invention relate to methods for fabricating components for use in spinal fixation systems. More particularly, the embodiments relate to the use of metal-injection-molding to produce rods and plates having complex geometries for use in spinal fixation systems. BACKGROUND [0002] The spinal (vertebral) column is a biomechanical structure composed primarily of ligaments, muscles, vertebrae, and intervertebral discs. The biomechanical functions of the spinal column include (i) support of the body; (ii) regulation of motion between the head, trunk, arms, pelvis, and legs; and (iii) protection of the spinal cord and the nerve roots. Damage to one or more components of the spinal column, such as an intervertebral disc, may result from disease or trauma and cause instability of the spinal column. To prevent further damage and overcome some of the symptoms resulting from a damaged spinal column, a spinal fixation device may be installed to stab...

Claims

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Application Information

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IPC IPC(8): B21D53/00
CPCA61L31/022A61L2430/38B22F3/225B22F5/10Y10T29/54B22F2998/00B22F2207/11
Inventor MOLZ, FREDTRIEU, HAI H.
Owner WARSAW ORTHOPEDIC INC
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