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Shock absorbing structure and method of manufacturing same

A shock absorption and manufacturing method technology, applied in the direction of additive manufacturing, manufacturing tools, prostheses, etc., can solve the problem of low shock absorption and achieve the effect of low Young's modulus and excellent shock absorption

Active Publication Date: 2014-05-07
中岛医疗有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, even metal implants with a hollow portion have low impact absorption

Method used

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  • Shock absorbing structure and method of manufacturing same
  • Shock absorbing structure and method of manufacturing same
  • Shock absorbing structure and method of manufacturing same

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0060] Structure of shock absorbing structure

[0061] figure 1 It is a perspective view of the shock-absorbing structure of this embodiment. refer to figure 1 , the shock absorbing structure 1 has a solidified member 2 and a plurality of sintered members 3 .

[0062] The solidified member 2 is formed by melting a plurality of inorganic powder particles and solidifying after melting. Inorganic powder particles are powder particles composed of inorganic substances. Inorganic powder particles are, for example, metal or intermetallic compounds, ceramics, and the like. Metals are pure metals or alloys. Preferably the inorganic powder particles are metal.

[0063] figure 2 A perspective view of the coagulation member 2 is shown in . The solidification member 2 includes a solidification shell 20 and a plurality of solidification walls 21 . The solidification shell 20 has a plurality of solidification walls 22 . That is, the solidified wall 22 corresponds to the outer wa...

no. 2 Embodiment approach

[0151] The shock absorbing structure is not limited to figure 1 , Figure 22A , Figure 23A structure shown. Figure 24 It is a perspective view of the shock absorbing structure 150 of the second embodiment. Figure 25 yes Figure 24 XXV-XXV sectional view in. refer to Figure 24 and Figure 25 , the shock-absorbing structure 150 has the solidified member 2 and the sintered member 3 similarly to the shock-absorbing structure 1 and the shock-absorbing structure 100 . The solidification member 2 is rod-shaped and solid. The sintered component 3 is arranged around the axis of the solidified component 2 . That is, the sintered member 3 is a cylindrical body, and the solidified member 2 is inserted therein. The sintered component 3 is combined with the solidified component 2 .

[0152] An example of a method of manufacturing the shock-absorbing structure 150 will be described below. Figure 26 It is a flowchart showing an example of a method of manufacturing the shock-ab...

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Abstract

A shock absorbing structure having a high shock absorption characteristic is provided. The shock absorbing structure (1) includes a solidified portion (2) and a sintered portion (3). The solidified portion (2) is formed by dissolving and solidifying a plurality of inorganic powder particles. The sintered portion (3) is formed by sintering a plurality of the inorganic powder particles. The sintered portion (3) is connected to the solidified portion (2). The shock absorbing structure (1) is a composite structure including the solidified portion (2) and the sintered portion (3) and therefore has a high shock absorption characteristic.

Description

technical field [0001] The present invention relates to a shock-absorbing structure and a manufacturing method thereof. More specifically, it relates to a medical implant such as an artificial joint and a bone plate, and a mobile body such as an automobile, an aircraft, and a ship. Shock absorbing structure and method of manufacturing same. Background technique [0002] JP-A-2005-329179 (Patent Document 1) and JP-A-6-90971 (Patent Document 2) disclose metal implants. The metal implants disclosed in these documents are composed of metals represented by titanium alloys. [0003] An implant is implanted in a living body, and is used in the living body for a long period of time. Therefore, implants are required to have mechanical properties similar to bone. Specifically, implants are required to be impact-absorbing. Furthermore, implants are required to have low Young's modulus and light weight similar to bone. [0004] However, the metal implant disclosed in Patent Documen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F7/12A61F2/28A61F2/30A61L27/00F16F7/00
CPCA61F2002/30985A61F2/3662F16F7/015A61F2002/30962A61L27/06A61F2002/30563A61F2002/30968A61F2002/30013A61F2310/00023A61L27/56A61L27/50A61F2002/30733Y10T428/24157A61F2002/30011
Inventor 中野贵由藏本孝一石本卓也池尾直子福田英次野山义裕
Owner 中岛医疗有限公司
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