Trocar assembly with pneumatic sealing

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United States of America Patent

PATENT NO 8795223
SERIAL NO

13414186

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

  • SURGIQUEST, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mastri, Dominick Bridgeport, US 40 2107
Stearns, Ralph Bozrah, US 94 38897
Tang, Raymond Yue-Sing New Haven, US 22 293

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