| 摘要 |
An intratubular anastomosis apparatus for joining organ portions of a hollow organ after intussusception thereof, the device includes an anastomosis ring, and a crimping support element for use therewith. The anastomosis ring includes a length of a wire formed of a shape memory alloy defining a closed generally circular shape, having a central opening, and having overlapping end portions, the anastomosis ring for crimping adjacent organ portions against the crimping support element so as to cause anastomosis therebetween. The anastomosis ring and the shape memory alloy assumes a plastic or malleable state, when at a first, lower temperature and an elastic state, when reaching at least a second, higher temperature. The anastomosis ring thereby is enabled to retain a preselected configuration at the first, lower temperature, and an elastic crimping configuration upon reverting to the second, higher temperature. The crimping support element for intratubular insertion provides a support for crimping the organ portions against the support element. The crimping support element has a generally cylindrical side-wall, proximal and distal end walls formed generally transversely to the side-wall, thereby to define therewith the crimping support element; a generally axial aperture for providing flow communication therethrough, and attachment means for operationally engaging the crimping support element to a crimping applicator member so as to position the crimping support element adjacent to the anastomosis ring for facilitating crimping of preselected wall portions of a hollow organ therebetween. Anastomosis following intratubular excision is facilitated using an anastomosis ring and a crimping support element. In the event of an open surgery excising procedure in order to excise a portion of diseased or problematic bowel, using an anastomosis ring and a crimping support element, anastomosis is achieved whereby the risk of leakage is substantially reduced and no staples or sutures remain in the anastomosed bowel.
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