Kit for treating bony defects

a technology for bony defects and kits, applied in the field of kits for treating bony defects, can solve the problems of significant post-operative pain, potential for additional medical complications, and the volume of autograft material available from the patient's hip may not be sufficient for the graft procedure,

Inactive Publication Date: 2005-06-16
SPINEOLOGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0011] The granules may be mixed with DBM or other suitable osteoinductive material, which is a fine particulate, and a lubricating carrier. As the mesh is filled with the cortical cancellous allograft granules, some of the particulate DBM may be retained within the filled mesh, but a portion of it may be

Problems solved by technology

However, collecting autograft from the patient's hip is associated with a significant incidence of post-operative pain and the potential for addition

Method used

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  • Kit for treating bony defects
  • Kit for treating bony defects
  • Kit for treating bony defects

Examples

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Embodiment Construction

[0012] The allograft mixture may generally be comprised of three components: non-demineralized cortical cancellous allograft granules or other suitable osteoconductive material, demineralized bone matrix (“DBM”) or other suitable osteoinductive material and sodium hyaluronan (HA), or other suitable lubricating carrier. The non-demineralized cortical cancellous allograft granules may generally be 200-2000 microns in size and may have an aspect ratio of about 1.5 longer than wide. The DBM may generally be 100-1000 microns in size and tends to be more uniform and rounded in shape. The lubricating carrier may generally be a viscous liquid, for example, sodium hyaluronan in varying molecular weights, alginate, dextran, gelatin, collagen and others. The DBM is more likely than the non-demineralized granules to be suspended in the lubricating carrier due to the geometric and size difference between the DBM and the non-demineralized granules.

[0013] Ceramic materials may be added as alterna...

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Abstract

The present invention is a kit and a method of using a kit for treating bone including a fill material mixture made of osteoconductive material, osteoinductive material and a lubricating carrier, a porous container to receive the fill material mixture and a tool that flowably introduces the fill material mixture into the porous container.

Description

FIELD OF INVENTION [0001] The present invention relates generally to the field of materials adapted to replace or assist a component of the skeleton of a living body. More specifically, the present invention relates to a system that surgeons can use for healing and supporting bony defects. BACKGROUND OF THE INVENTION [0002] Bone grafts are commonly used in a wide variety of orthopedic procedures. In particular, bone graft is often used to aid the healing of bony defects. Such defects may arise from trauma or a pathologic condition, or the surgeon may require graft to support bony healing subsequent to a surgical procedure such as joint fusion or arthrodesis. [0003] Autogenous bone, also called autograft, is generally considered to be the “gold standard” in terms of biological performance. Autograft is often collected from the patient's hip. However, collecting autograft from the patient's hip is associated with a significant incidence of post-operative pain and the potential for add...

Claims

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Application Information

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IPC IPC(8): A61B17/00A61B17/88A61F2/00A61F2/02A61F2/28A61F2/30A61F2/46
CPCA61B17/7098A61B2017/00004A61F2/4601A61F2002/2817A61F2002/2835A61F2310/00293A61F2002/30062A61F2002/30677A61F2210/0004A61F2250/0023A61F2002/30011
Inventor AHERN, JAMES W.GERTZMAN, ARTHURROCHE, KARENSUNWOO, MOON HAEWOLFE, STEVENKUSLICH, STEPHEN D.KUSLICH, JOHN E.
Owner SPINEOLOGY
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