Patent · US Active

Continuous gas flow trocar assembly

US8216189B2 · kind B2 · utility

32Cited by

40References

26Claims

0Family size

Assignee

Surgiquest, Inc. · US

Inventors

Jack Stubbs · Orlando, US
Ronald J. Thompson · Stanton, US
George A. J. Hartman · Waynesville, US
Donald N. Halgren · Attleboro, US
Michael J. Campbell · Los Angeles, US

Key dates

Filing date	Sep 8, 2006
Grant date	Jul 10, 2012
Priority date	—
Expiry date	May 11, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2090/064
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A trocar assembly for providing a pressurized insufflation fluid into a patient cavity and for providing sealable access to the patient cavity by a surgical instrument. The assembly comprises an inner tubular member having a proximal end and a distal end. An outer tubular member is disposed about the inner tubular member, the outer tubular member having a proximal end and a distal end. The distal end of the inner tubular member and the distal end of the outer tubular member define a trocar seal nozzle arranged therebetween.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.