发明名称 |
SURGICAL ACCESS SYSTEM |
摘要 |
The invention is directed to a surgical access system that provides access to a surgical area while maintaining pneumoperitoneum during laparoscopic surgery. The access system comprises a sheath retractor adapted to dilate a wound stretchable to a desired diameter and a detachable seal adapted to be removable from the sheath retractor. In another aspect, the detachable seal comprising a valve including a plurality of overlapping sheets defining an access channel that extends into communication with the incision in the patient. Each of the overlapping sheets includes a portion of the perimeter that is not fixed to the inner diameter of the ring, which provide open edges defining the access channel. |
申请公布号 |
US2011282157(A1) |
申请公布日期 |
2011.11.17 |
申请号 |
US201113105179 |
申请日期 |
2011.05.11 |
申请人 |
HART CHARLES C.;PINGLETON EDWARD D.;APPLIED MEDICAL RESOURCES CORPORATION |
发明人 |
HART CHARLES C.;PINGLETON EDWARD D. |
分类号 |
A61B1/32;A61B17/00;A61B17/34 |
主分类号 |
A61B1/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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