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Implant

A technology of implants and annular rings, which is applied in the field of implants, can solve the problems of forming a predetermined position in the lateral direction, and achieve the effect of preventing subsidence

Inactive Publication Date: 2018-06-08
PROSPER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such implants are known to be constructed as a thin mesh and, viewed from the side, are flexible in the longitudinal direction, however, when the bone cutting line does not form the predetermined shape in the transverse direction when viewed in plan, it leads to an urgent need Replacement of another implant, or to avoid this, use of an implant that is larger than necessary with a large margin

Method used

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Embodiment Construction

[0029] Hereinafter, modes for implementing the present invention (hereinafter referred to as embodiments) will be described in detail with reference to the drawings. In addition, in description of the whole embodiment, the same code|symbol is attached|subjected to the same element.

[0030] figure 1 It is an explanatory diagram showing the frontal bone FB of the skull S as the application site of the implant 1 according to the embodiment of the present invention. Condition. Here, an example in which a ring-shaped implant is implanted at the frontal bone FB as the bone cutting line L is shown. The implant 1 of this embodiment is arranged along the bone cutting line L, and the bone fragments S1 Splicing or reconstructive surgery. Of course, the implant 1 of this embodiment can be applied not only to the site shown here but also to other sites.

[0031] As will be described in detail later, the implant 1 has a linear network structure, which can make it along such as figure ...

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Abstract

The purpose of the present invention is to provide an implant which, when joining or reconstructing bone, postoperatively prevents the scalp from sinking into a bone cutting line, and which is flexible in the planar direction. This implant (1) is characterized by comprising basic units, each of which includes: a first annular ring (10); a second annular ring (20) positioned facing the first annular ring (10); and a first connection section (41) connecting the first annular ring (10) and the second annular ring (20). The basic units (11) are linearly connected by a second connection section (42) such that a first annular ring row (101) constituted by a plurality of the first annular rings (10) and a second annular ring row (201) constituted by a plurality of the second annular rings (20) are parallel, and constitute a mesh that can conform to a meandering configuration along the bone cutting line (L).

Description

technical field [0001] The invention relates to an implant, especially an implant for bone joint. Background technique [0002] Skeletal surgery includes, in addition to jointing bones fractured by accidents, reconstruction of bones that temporarily cuts apart bone fragments in order to perform operations related to organs protected by bones, Reconstructive surgery to restore the bone fragments to their original positions after surgery. Such skeletal incision / reconstruction surgery is also used as a countermeasure against brain-related lesions targeting the skull (for example, refer to Patent Documents 1 and 2). [0003] For example, in the surgical removal of pituitary gland tumors, there is a method of reaching the pituitary gland via the sphenoid sinus located behind the nose and in front of the pituitary gland (transsphenoidal surgery), but considering the conditions associated with various operations , It is also widely used to cut the skin and bones of the head and r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/28A61B17/68
CPCA61B17/8061A61B17/8085A61F2310/00017A61F2310/00023A61F2310/00407A61F2/2875A61F2002/30115A61F2002/30136A61F2002/302
Inventor 水上雅规
Owner PROSPER CO LTD