Artificial anus and sphincteric device thereof
A technology of artificial anus and human body, applied in the field of sphincter and artificial anus, to achieve good biocompatibility, reduce pain, and avoid human infection
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[0022] The artificial anus of the present invention includes a support body 1 , an open and close ring 2 , and an IPMC driver 3 .
[0023] see figure 1 , the support body 1 is a ring structure, in order to avoid the defecation resistance caused by the structure, the upper part is thinner, the lower part is thicker, the upper and lower parts are transitioned by the smooth curved surface 1-1 on the inner wall, and the lower ring end is evenly opened along the circumference There are several grooves 1-2, a group of electrodes 1-3 are arranged in the grooves, IPMC driver 3 ( Figure 4 ) is fixed in this groove.
[0024] The support is made of polydimethylsiloxane (PDMS) by thermal curing. As a structure, the hardness of PDMS is an important parameter. If it is too hard, it will feel uncomfortable after being implanted in the human body. If it is too soft, it will not be able to play a supporting role. The mass ratio of the PDMS main agent to the hardener of the present inventio...
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