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Bone fastener and methods of use

A fixation, bone conduction technology, applied in fixators, internal fixators, fastening devices, etc., can solve problems such as inability to relieve symptoms

Inactive Publication Date: 2014-10-29
WARSAW ORTHOPEDIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Nonsurgical treatments such as medication, rehabilitation, and exercises can be effective but will not relieve the symptoms associated with these disorders

Method used

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  • Bone fastener and methods of use
  • Bone fastener and methods of use
  • Bone fastener and methods of use

Examples

Experimental program
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Embodiment Construction

[0017] Example embodiments of the disclosed bone fasteners and methods of use thereof are discussed with respect to medical devices for treating bone disorders, and in particular with respect to perforated bone fasteners having an elongated cannula core with certain Sprayed, layered, fused, coated or textured, or with bone growth promoting and attachment materials to promote bone growth to promote bone growth in elongated cavities and outside of bone fasteners for greater Better and earlier bone protrusion into the bone fastener stem. This improves the initial stability of the bone fastener within the dynamic fixation device. It is envisioned that the use of the coated bone fasteners of the present invention may be used in other implants, such as vertebral rod systems, which provide stability within dynamic fixation devices. Coated bone fasteners may also be used in other structures such as plates.

[0018] It is envisioned that the coated porous bone fasteners of the presen...

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Abstract

A bone fastener includes a head, an elongated shank defining a longitudinal axis having a proximal end and a distal end. The proximal end is connected to the head and the elongated shank has an inner surface defining a longitudinal cavity disposed along the longitudinal axis and at least one transverse cavity positioned in the elongated shank. The inner surface defining the transverse cavity and the elongated cavity as well as the outer surface of the elongated shank has bone conductive material disposed thereon so as to promote bone growth into the transverse cavities, elongated cavity and on the surface of the elongated shank in order to secure the bone fastener to bone. The distal end of the bone fastener can be configured to have cutting features that cut into bone and self-pack the elongated cavity with autograft material as it is inserted into bone.

Description

technical field [0001] The present invention relates generally to medical devices for treating bone disease, and more particularly to porous bone fasteners coated with osteoconductive material on their surfaces, and cannulated surfaces in bone fasteners to promote bone growth and prevent fastener failure. Background technique [0002] Due to factors including trauma, disease and degenerative conditions caused by injury or aging such as degenerative disc disease, herniated disc, osteoporosis, spondylolisthesis, stenosis, scoliosis and other curvature abnormalities, kyphosis , tumors and fractures of the spine. Disorders of the spine often cause symptoms including pain, nerve damage, and partial or complete loss of mobility. [0003] Nonsurgical treatments such as medication, rehabilitation, and exercises can be effective but will not relieve the symptoms associated with these disorders. Surgical treatments for these spinal disorders include discectomy, laminectomy, fusion, ...

Claims

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Application Information

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IPC IPC(8): A61B17/86A61B17/70A61L27/54
CPCA61B17/8635A61B17/864A61L31/16
Inventor R·巴拉德C·吉尔
Owner WARSAW ORTHOPEDIC INC
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