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Device for measuring bottom diameters of acetabular bone outer cup groove and joint handle body

A technology of measuring device and joint handle, applied in the direction of mechanical diameter measurement, etc., can solve the problem of inability to obtain the measured value, and achieve the effect of wide applicability and improving production efficiency

Pending Publication Date: 2019-03-08
TIANJIN ZHENGTIAN MEDICAL INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the special structure of the acetabular outer cup and the joint stem, there are interference items in the measurement process of the groove of the acetabular outer cup and the bottom diameter of the joint stem, and accurate measurement values ​​cannot be obtained using conventional vernier calipers

Method used

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  • Device for measuring bottom diameters of acetabular bone outer cup groove and joint handle body
  • Device for measuring bottom diameters of acetabular bone outer cup groove and joint handle body
  • Device for measuring bottom diameters of acetabular bone outer cup groove and joint handle body

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Embodiment Construction

[0013] The technical solution of the present invention will be described in detail below with reference to the drawings and specific embodiments.

[0014] like Figure 1 to Figure 3 As shown, the device for measuring the bottom diameter of the acetabular outer cup groove and the joint handle body of the present invention includes a ruler body 1, a vernier ruler 2, a main ruler 3, a first measuring claw and a second measuring claw, wherein the main ruler and the ruler body The scale is fixed on the main scale, the vernier scale is matched with the scale body and slides along the scale body, the first measuring claw includes the first master measuring claw 4a and the first slave measuring claw 4b arranged in pairs, and the second measuring claw includes a pair of For the second main measuring jaw 5a and the second slave measuring jaw 5b, the first main measuring jaw and the second main measuring jaw are fixedly arranged on both sides of the ruler body respectively, and the first...

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Abstract

The invention provides a device for measuring bottom diameters of an acetabular bone outer cup groove and joint handle body. The two outer edges, back onto each other, of a first measuring claw is a first measuring end, the outer ends of a first main measuring claw and first sub measuring claw are provided with concave notches respectively, and therefore outer measuring heads of the first measuring end are formed on the first main measuring claw and first sub measuring claw; the two inner edges, opposite to each other, of a second measuring claw is a second measuring end, the inner ends of a second main measuring claw and second sub measuring claw are provided with concave notches respectively, and therefore inner measuring heads of the second measuring end are formed on the second main measuring claw and second sub measuring claw. The outer measuring heads of the first measuring end and the inner measuring heads of the second measuring end are kept away from measurement interference parts respectively, thereby accurately obtaining measurement data of the corresponding part and improving the production efficiency.

Description

technical field [0001] The invention relates to the technical field of orthopedic instrument production, in particular to a device for measuring the bottom diameter of an acetabular outer cup groove and a joint shank. Background technique [0002] In the production process, vernier calipers are generally used for product inspection and measurement. The usual vernier calipers include a ruler body, a vernier ruler, a main ruler, a first measuring claw and a second measuring claw. The main ruler is fixed to the ruler body, and the scale is displayed on the main ruler. The vernier ruler is matched with the ruler body and slides along the ruler body. The first measuring claw includes the first master measuring claw and the first slave measuring claw arranged in pairs, and the second measuring claw includes the second master measuring claw and the second slave measuring claw arranged in pairs. The slave measuring claws, the first main measuring claw and the second main measuring c...

Claims

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Application Information

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IPC IPC(8): G01B5/08
CPCG01B5/08
Inventor 胡学文
Owner TIANJIN ZHENGTIAN MEDICAL INSTR CO LTD
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