发明名称 |
Trocar assembly with pneumatic sealing |
摘要 |
A trocar assembly for creating a pneumatic seal during a minimally-invasive surgical procedure. The trocar assembly including an elongated body having a lumen extending therethrough. The proximal end portion of the body defining a housing. A fluid supply plenum is defined in the housing configured to deliver pressurized insufflation fluid to a nozzle. The nozzle configured for directing pressurized fluid into the lumen and creating a pneumatic seal. A fluid return plenum is defined in the housing configured to collect spent insufflation fluid from as patient's abdominal cavity. The fluid return plenum including a plurality of axially and radially oriented elongate vanes configured to permit spent insufflation fluid to proceed between the vanes and direct spent insufflation fluid back to the fluid return plenum. |
申请公布号 |
US2012245511(A1) |
申请公布日期 |
2012.09.27 |
申请号 |
US201213414186 |
申请日期 |
2012.03.07 |
申请人 |
STEARNS RALPH;TANG RAYMOND YUE-SING;MASTRI DOMINICK;SURGIQUEST, INC |
发明人 |
STEARNS RALPH;TANG RAYMOND YUE-SING;MASTRI DOMINICK |
分类号 |
A61B17/34;A61M13/00 |
主分类号 |
A61B17/34 |
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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