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Puborectalis-like double-ring artificial anal sphincter prosthesis

An artificial anus and sphincter technology, which is applied in the fields of prosthesis, muscle, medical science, etc., can solve the problems of inaccurate response to changes in the pressure around the intestinal tract, large error in detection of pressure, etc., so as to improve the success rate of transplantation, light weight and simple structure. Effect

Inactive Publication Date: 2016-07-06
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of special pressure sensor can only realize the pressure detection of a specific point, the detection pressure error is large, and it cannot accurately reflect the pressure change around the intestinal tract

Method used

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  • Puborectalis-like double-ring artificial anal sphincter prosthesis
  • Puborectalis-like double-ring artificial anal sphincter prosthesis
  • Puborectalis-like double-ring artificial anal sphincter prosthesis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 As shown, it is the pressure sensor involved in this embodiment, the pressure sensor includes: a sealing plug 2, a sensor die 3, a PCB circuit board 4 and a thin film sleeve 6, wherein: the thin film sleeve 6 is filled with silicone oil 5, and the sealing plug 2 Fixedly installed at one end of the film sleeve 6; the bare sensor chip 3 is located on the PCB circuit board 4, the PCB circuit board 4 is connected to the signal line 1, and fixedly installed on the side of the sealing plug 2 contacting the silicone oil 5, and the intestinal pressure passes through the film sleeve 6 and built-in silicon oil 5 are passed to the sensor die 3,

[0027] The sensor die 3 outputs the pressure signal to the back-end circuit through the signal line 1 .

[0028] Such as figure 2 , image 3 As shown, it is the imitation puborectalis type double-ring artificial anal sphincter prosthesis that this embodiment involves, including: as figure 1 Shown pressure sensor, two...

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Abstract

A puborectalis-imitated dual-ring artificial anal sphincter prosthesis comprises a plurality of pressure sensors, two fixing rings, a connecting support, a driving mechanism and a movable half ring. The two fixing rings are arranged in parallel through the connecting support, the movable half ring is located between the two fixing rings and connected with the connecting support, the driving mechanism is located between the two fixing rings and connected with the movable half ring and drives the movable half ring to move between the two fixing rings, and the pressure sensors are arranged on the driving mechanism and all faces of the movable half ring to collect pressure of an intestinal tract. The puborectalis-imitated dual-ring artificial anal sphincter prosthesis is small in size, low in weight and capable of improving the success rate of prosthesis implantation, and detection of intestinal tract pressure signals is more accurate.

Description

technical field [0001] The invention relates to a technology in the field of medical equipment, in particular to a puborectalis-imitating double-ring artificial anal sphincter prosthesis with a pressure sensor. Background technique [0002] Fecal incontinence is a clinically common disease. According to statistics, the incidence rate of adults is as high as 2%, and the incidence rate of people over 65 years old can reach 7%. underestimated. Fecal incontinence refers to the loss of the anal sphincter's ability to control the excretion of feces and gas. It is easy to cause a variety of complications, which not only brings great pain to patients, but also brings many difficulties to nursing work. With the aging trend of the population With the development, fecal incontinence has become one of the clinical diseases that urgently need to be solved. [0003] Severe fecal incontinence is caused by the loss of function of the anal sphincter or the removal of the anal sphincter. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/08A61F2/48A61B5/03
Inventor 颜国正李晓阳吴浩靳文天王志武刘大生姜萍萍
Owner SHANGHAI JIAOTONG UNIV
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