Device of titanium metal wire net cage compounded with titanium metal wire engineering bone and preparation method thereof

A titanium metal and engineering bone technology, applied in the field of bone repair materials and their preparation, can solve the problems of poor coordination of elastic modulus between metal titanium materials and cancellous bone, low strength of new bone tissue, and poor long-term stability, etc. The effect of reducing stress transmission and stress shielding problems, improving overall flexibility, and increasing overall strength

Active Publication Date: 2011-06-08
HARBIN MEDICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problem of poor coordination of elastic modulus and poor long-term stability between metal titanium material and cancellous bone when using titanium metal cage or metal titanium mesh composite cancellous granular bone for bone grafting, it is easy to produce stress shielding problems, stress Problems of transmission, implant loosening and low strength of new bone tissue, and provide a titanium metal mesh cage composite titanium wire engineered bone device and its preparation method

Method used

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  • Device of titanium metal wire net cage compounded with titanium metal wire engineering bone and preparation method thereof
  • Device of titanium metal wire net cage compounded with titanium metal wire engineering bone and preparation method thereof
  • Device of titanium metal wire net cage compounded with titanium metal wire engineering bone and preparation method thereof

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Embodiment 1

[0019]Embodiment 1: The titanium wire mesh cage composite titanium wire engineered bone device of this embodiment consists of a piston-type titanium wire mesh cage and a titanium wire engineered bone composite material 5 filled inside the piston-type titanium wire mesh cage , wherein the piston-type titanium wire mesh cage is composed of a titanium metal cage body 2, a titanium wire non-woven fabric 1, a hydroxyapatite layer 3 and two piston-shaped caps 4; each piston-shaped cap 4 is composed of a thin-walled cylinder body 41 and a cap 42 affixed to one end of the thin-walled cylindrical body 41, the titanium metal cage body 2 is a tubular body, and the entire side wall of the titanium metal cage body 2 is evenly covered with mesh-shaped first through holes 21 , the shape of each first through hole 21 is a parallelogram or a circle, and the diameter of the first through hole 21 shaped as a circle is 2 mm to 10 mm, and the two opposite sides of the first through hole 21 shaped a...

Embodiment 2

[0021] Embodiment 2: This embodiment is different from Embodiment 1 in that: 3 layers of titanium wire non-woven fabric 1 are wound on the outer wall of the titanium metal cage 2 . Others are the same as in Embodiment 1.

[0022] The setting of this embodiment can ensure that the filled titanium metal wire engineered bone composite material will not fall out of the first through hole 21 of the titanium metal cage 2, and ensure better growth of new bone tissue.

Embodiment 3

[0023] Embodiment 3: The difference between this embodiment and Embodiments 1 and 2 is that the titanium wire in the titanium wire non-woven fabric 1 is metal titanium and its alloy wire, and the titanium wire in the titanium wire non-woven fabric 1 The diameter is 50μm~120μm. Others are identical with embodiment one, two.

[0024] The setting of this embodiment can improve the binding force between the titanium metal wire and the bone cell tissue.

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Abstract

The invention provides a device of a titanium metal wire net cage compounded with a titanium metal wire engineering bone and a preparation method thereof, and the device of the titanium metal wire net cage compounded with the titanium metal wire engineering bone comprises a piston type titanium metal wire net cage and a titanium metal wire engineering bone composite filled in the piston type titanium metal wire net cage; and the preparation method comprises the following steps: winding titanium metal wire non-woven fabric on the outer wall of a titanium metal cage body and sintering for preparing a titanium metal wire net cage body, then coating hydroxyapatite on the inner surface and the outer surface of the cage body, and then placing two piston type cap-shaped bodies in an inner cavityof the metal cage body for getting the piston type titanium metal wire net cage; and further uniformly mixing titanium metal wires, a morselized bone, a binding material and auxiliary materials, and filling into the piston type titanium metal wire net cage. The device has good elastic modulus coordination and high strength, and can be used in the field of bone surgery.

Description

technical field [0001] The invention relates to a bone repair material and a preparation method thereof, in particular to a titanium metal mesh cage composite titanium wire engineering bone device and a preparation method thereof. Background technique [0002] With the development of science and technology, the graft materials for bone repair have also developed from autologous bone, allogeneic bone / xenograft bone to artificial materials. At present, many kinds of artificial materials have been used for bone grafting, such as metals, ceramics, polymers and other materials. The existing method of bone grafting using metal titanium mesh or metal titanium cage compounded with cancellous granular bone can repair bone defects and vertebral body stability in multiple parts such as the acetabulum, mandible, skull, backbone, and spine. However, titanium metal cages or metal titanium mesh materials are relatively rigid, and even low elastic modulus titanium alloy orthopedic implant ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/28A61L27/06A61L27/32A61L27/36A61L27/54
Inventor 姬烨闫景龙石立力
Owner HARBIN MEDICAL UNIVERSITY
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