Novel constant-force clamping artificial anal sphincter device
An artificial anus and sphincter technology, applied in the field of medical devices, can solve problems such as mechanical mismatch with intestinal tissue, reduce the probability of intestinal tissue necrosis and infection, solve device failure, and improve force transmission performance
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Embodiment 1
[0030] The artificial anal sphincter device of the novel constant force clamping of the present embodiment is as Figure 1-2 As shown, it includes knob 1, screw 2, connecting rod 1 3, connecting rod 2 4, connecting rod 3 5, connecting rod 4 6, connecting rod 5 7, connecting rod 6 8, connecting rod 7 9, device shell 10, outer Clamping plate one 11, outer clamping plate two 12, 8 superelastic shape memory alloy C-shaped sheets 13, plate clamping element one 14, plate clamping element two 15, clamped by plate clamping element one 14 and the plate Element two 15 clamps the intestinal tract. The above components are all covered by medical silicone rubber film, wherein the plate clamping element 1 14 and the plate clamping element 2 15 are individually wrapped by the medical silicone rubber film with four supporting columns, which are characterized in that:
[0031] The knob 1 and the screw 2 are assembled to form a rotating pair, and the screw 2 is in clearance fit with the throug...
Embodiment 2
[0039] Figure 1 to Figure 3A novel constant-force clamping artificial anal sphincter device shown includes knob 1, screw rod 2, connecting rod one 3, connecting rod two 4, connecting rod three 5, connecting rod four 6, connecting rod five 7, connecting rod Six 8, connecting rod seven 9, device shell 10, outer clamping plate one 11, outer clamping plate two 12, 8 superelastic shape memory alloy C-shaped pieces 13, flat clamping element one 14, flat clamping element two 15. Wherein the plate clamping element one 14 and the plate clamping element two 15 clamp the intestinal tract. The first outer clamping plate 11, the second outer clamping plate 12, the first flat clamping element 14, the second flat clamping element 15, the device shell 10 and the knob 1 are all covered by medical silicone rubber film, wherein the first flat clamping element 14 1. The plate clamping element 2 15 is individually wrapped by a medical silicone rubber film with four support columns. It is chara...
Embodiment 3
[0041] This embodiment is the state when the intestinal tube is clamped, and the device is in the closed state. Figure 4 The internal structure of the device in the closed state, Figure 5 It is the external structure of the device when it is in the closed state. At this time, the outer clamping plate 1 and the outer clamping plate 2 form an elliptical structure to accommodate the intestinal tube, and the flat plate clamping element clamps the intestinal tube.
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