Tearing-pulling special-shaped ball bag capable of relieving human body soft tissue damage and preparation method thereof

A soft tissue injury, special-shaped ball technology, applied in the direction of prosthesis, medical science, joint implants, etc., can solve the problems of insufficient wear fastness, poor adaptability of human tissue, large force at a single point, etc. It is not easy to achieve. The effect of slip dislocation, strong supporting force and improved abrasion fastness

Active Publication Date: 2019-12-27
HANGZHOU REJOIN MASTIN MEDICAL INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problems of large single-point stress, high pressure, insufficient wear fastness and poor adaptability to human tissue in the

Method used

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  • Tearing-pulling special-shaped ball bag capable of relieving human body soft tissue damage and preparation method thereof
  • Tearing-pulling special-shaped ball bag capable of relieving human body soft tissue damage and preparation method thereof
  • Tearing-pulling special-shaped ball bag capable of relieving human body soft tissue damage and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0034] Example 1

[0035] Tearable special-shaped balloon to reduce the damage of human soft tissue, such as Figure 1~2 As shown, the preparation method is as follows: first extrude the PLA extruder to form a special-shaped balloon blank. The special-shaped balloon blank is composed of three sub-balloon blanks with openings, and two adjacent sub-balloon blanks Connect through the tear strip, and then use a balloon forming machine to inject and blow each sub-balloon blank; wherein the wall thickness of the sub-balloon is 0.1mm; the tear strip consists of the body of the tear strip and the The tear line in the main body is composed of multiple line segments, and the distance between two adjacent line segments is 0.2 times the length of the tear line;

[0036] Each sub-balloon is in a columnar shape after inflation, all the sub-balloons are arranged side by side, all the sub-balloons and all the tear strips are flush; and along the arrangement direction of the sub-balloons, each sub-...

Example Embodiment

[0041] Example 2

[0042] Tearable special-shaped balloon to reduce the damage of human soft tissue, such as Figure 3~4 As shown, the preparation method is: first extrude PLGA from the extruder to form a special-shaped balloon blank. The special-shaped balloon blank consists of four sub-balloon blanks with openings, and two adjacent sub-balloons The blanks are connected by a tear strip, and then a balloon forming machine is used to inject and blow each sub-balloon blank; wherein the wall thickness of the sub-balloon 1 is 0.3mm; the tear strip consists of the tear strip body 3 and The tearing line 2 located in the body of the tearing strip consists of, such as Figure 7 As shown, the tear line is composed of multiple line segments, and the distance between two adjacent line segments is 0.2 times the length of the tear line;

[0043] Each sub-balloon is in a columnar shape after inflation, all sub-balloons are arranged side by side, all sub-balloons and all tear strips are flush; an...

Example Embodiment

[0045] Example 3

[0046] Tearable special-shaped balloon to reduce the damage of human soft tissue, such as Figure 5~6 As shown, the preparation method is as follows: firstly, PCL is extruded from the extruder to form a special-shaped balloon blank. The special-shaped balloon blank consists of two sub-balloon blanks with openings, and two adjacent sub-balloons The blanks are connected by a tear strip, and then a balloon forming machine is used to inject and blow each sub-balloon blank; the wall thickness of the sub-balloon is 0.3mm; the tear strip consists of the body of the tear strip and the The tear line in the main body of the pull strip is composed of multiple line segments, and the distance between two adjacent line segments is 0.25 times the length of the tear line;

[0047] One sub-balloon is inflated into a spherical shape, and the other sub-balloon is inflated into a hollow ring shape. The spherical sub-balloon is located in the hollow part of the hollow ring-shaped su...

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Abstract

The invention relates to a tearing-pulling special-shaped ball bag capable of relieving human body soft tissue damage and a preparation method thereof. The preparation method comprises the steps that:a material with biocompatibility is extruded from an extruder firstly to form a special-shaped ball bag blank mainly composed of a plurality of sub ball bag blanks with openings, every two adjacent sub ball bag blanks are connected through a line-shaped tearing-pulling part, and then all the sub ball bag blanks are subjected to air injection blow molding through a ball bag forming machine; and the finally prepared tearing-pulling special-shaped ball bag is mainly composed of a plurality of sub ball bags, and every two adjacent sub ball bags are connected through the corresponding line-shapedtearing-pulling part. The preparation method of the tearing-pulling special-shaped ball bag capable of relieving human body soft tissue damage is simple, the surface of the prepared tearing-pulling special-shaped ball bag is uneven, the tearing-pulling special-shaped ball bag is better in stability at a transplant position, is not prone to slipping, and can bear force at a plurality of points in the moving process, thus the better buffer effect is achieved, and the tearing-pulling special-shaped ball bag can be cut and can relieve soft tissue damage of different types and different degrees ina targeted mode.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and relates to a tearable special-shaped balloon for reducing human soft tissue damage and a preparation method thereof. Background technique [0002] After repeated strenuous movements, delicate soft tissues are often damaged by wear and tear by rubbing against each other and / or hard tissues such as bone. Torn tendons of the rotator cuff and ruptured joint capsules are examples of such injuries. Additionally, inflammation, infection, disease, and / or genetic predispositions to degeneration of these tissues can adversely affect these tissues. [0003] In order to solve the above problems, the patent CN104473704A discloses a prosthesis (balloon) for reducing human soft tissue and other tissue damage. For expansion, the filler can be gas, liquid or gel. This kind of gap filling can indirectly improve the smooth movement of joint tissues and relieve pain caused by joint discomfort. The mai...

Claims

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Application Information

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IPC IPC(8): A61F2/30A61F2/40A61F2/46
CPCA61F2/30767A61F2/40A61F2/4612A61F2002/30062A61F2002/30329A61F2002/30586A61F2002/30673
Inventor 郝欣欣李凌晨蒋冠森
Owner HANGZHOU REJOIN MASTIN MEDICAL INSTR CO LTD
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