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High-purity magnesium strip line anchor and implanting device thereof

An implanting device and anchor technology are applied in the field of high-purity magnesium strip wire anchors and implanting devices, which can solve problems such as hidden dangers of magnesium alloy safety, and achieve the effects of good biocompatibility, high mechanical strength and simple operation.

Pending Publication Date: 2021-07-09
NINGBO MEDICAL CENT LIHUILI HOSPITACL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, magnesium alloy materials are used to make magnesium alloys, and rare earth elements are added to magnesium alloys. Rare earth elements can effectively improve the mechanical strength of magnesium alloys, and can control the degradation rate by stabilizing the surface corrosion product film. safety hazards

Method used

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  • High-purity magnesium strip line anchor and implanting device thereof
  • High-purity magnesium strip line anchor and implanting device thereof
  • High-purity magnesium strip line anchor and implanting device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A high-purity magnesium wire anchor ( figure 1), including an anchor body 13, the anchor body is provided with a through hole 1 that runs through the anchor body in the width direction, and the center of the rear end of the anchor body is provided with a mounting hole 2, and the bottom of the mounting hole A threading hole is provided, and the threading hole includes a left threading hole 3 and a right threading hole 4, and the mounting hole communicates with the through hole through the left threading hole and the right threading hole, and the mounting hole is a square hole; The shape is rectangular ( figure 2 ). The outer surface of the anchor body is provided with threads 11, and the through hole is located near the rear end of the anchor body and is located in the thread groove. The purity of high-purity magnesium is above 99.98wt%.

[0041] An implant device matched with the high-purity magnesium wire anchor ( Figure 5 ), including a connecting rod 5 and a ha...

Embodiment 2

[0043] A high-purity magnesium wire anchor ( figure 1 ), including an anchor body 13, the anchor body is provided with a through hole 1 that runs through the anchor body in the width direction, and the center of the rear end of the anchor body is provided with a mounting hole 2, and the bottom of the mounting hole A threading hole is provided, and the threading hole includes a left threading hole 3 and a right threading hole 4, and the mounting hole communicates with the through hole through the left threading hole and the right threading hole, and the mounting hole is an inner hexagonal hole; the threading hole The shape is rectangular ( image 3 ). The outer surface of the anchor body is provided with threads 11, and the through hole is located near the rear end of the anchor body and is located in the thread groove. The purity of high-purity magnesium is above 99.98wt%.

[0044] An implant device matched with the high-purity magnesium wire anchor ( Figure 5 ), includin...

Embodiment 3

[0046] A high-purity magnesium wire anchor ( figure 1 ), including an anchor body 13, the anchor body is provided with a through hole 1 that runs through the anchor body in the width direction, and the center of the rear end of the anchor body is provided with a mounting hole 2, and the bottom of the mounting hole A threading hole is provided, and the threading hole includes a left threading hole 3 and a right threading hole 4, and the mounting hole communicates with the through hole through the left threading hole and the right threading hole, and the mounting hole is a square hole; round in shape ( Figure 4 ). The outer surface of the anchor body is provided with threads 11, and the through hole is located near the rear end of the anchor body and is located in the thread groove. The purity of high-purity magnesium is above 99.98wt%.

[0047] An implant device matched with the high-purity magnesium wire anchor ( Figure 5 ), including a connecting rod 5 and a handle 6, t...

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Abstract

The high-purity magnesium strip line anchor comprises an anchor body, a through hole penetrating through the anchor body in the width direction is formed in the anchor body, a mounting hole is formed in the center of the rear end of the anchor body, threading holes are formed in the bottom of the mounting hole, the threading holes comprise the left threading hole and the right threading hole, and the mounting hole is communicated with the through hole through the left threading hole and the right threading hole. According to the present invention, the material has advantages of good biocompatibility, good mechanical property, good biodegradability, high mechanical strength while tendon-bone healing is ensured, surgeon operation is simple, tendon, ligament and bone surface can be firmly combined, and the degradation mechanism is harmless to the human body compared to the high polymer material.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a high-purity magnesium wire anchor and an implantation device thereof. Background technique [0002] Joint soft tissue injury mainly refers to a large category of trauma syndromes caused by direct or indirect violence to tendons, ligaments, and joint capsules, or long-term chronic strain. It is a common disease in sports medicine, such as rotator cuff injury, knee joint Cruciate ligament rupture, Achilles tendon rupture, etc. [0003] For mild soft tissue injuries, it can be relieved quickly after correct treatment by professional doctors; for severe soft tissue injuries, such as tendon avulsion, ligament tear or rupture, etc., surgical treatment is required. [0004] Clinically, for rotator cuff tears, knee collateral ligament injuries, ankle and elbow soft tissue injuries, etc., anchors with wires are usually implanted for repair and treatment. During the operation, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/064A61B17/04A61L31/02A61L31/14B23P23/04C22F1/06C23F3/03C23F17/00
CPCA61B17/0401A61B17/0642A61B2017/00831A61B2017/0408A61B2017/0648A61L31/022A61L31/148B23P23/04C22F1/06C23F3/03C23F17/00
Inventor 彭兆祥陈宇碟董杰阳吴鑫辉陈宇炯翁杭斌张小农徐海东
Owner NINGBO MEDICAL CENT LIHUILI HOSPITACL
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