发明名称 |
LAPAROSCOPIC ACCESS TOOL WITH GAS SEAL |
摘要 |
A laparoscopic access apparatus (10) enabling the removal of tissue (T) or other debris from a surgical site. A catheter (12) having a longitudinal access is provided with a flexible internal sleeve (20) having distal (28) a nd proximal (22) ends. The sleeve (20) forms an inner channel (32) through whic h laparoscopic surgical instruments (16) may be passed. The sleeve (20) is mounted with axial tautness along one side (34) of the catheter (12), it is provided with a loose, baggy portion elsewhere in the catheter (12) defining an inflatable cavity (36) between the catheter (12) and sleeve (20). A gas port (38) is positioned to enable gas under pressure from a body cavity to enter the inflatable cavity (36) adjacent the distal end thereof to thereby collapse the sleeve and seal the channel (32).
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申请公布号 |
CA2397118(A1) |
申请公布日期 |
2001.07.26 |
申请号 |
CA20012397118 |
申请日期 |
2001.01.16 |
申请人 |
PHILLIPS PLASTICS CORPORATION |
发明人 |
PETERSON, FRANCIS C. |
分类号 |
A61B17/00;A61B17/34;(IPC1-7):A61B17/34 |
主分类号 |
A61B17/00 |
代理机构 |
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