The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2001
Filed:
Dec. 10, 1998
Applicant:
Inventors:
William G. Dennis, Jacksonville, FL (US);
Michael E. Prosek, Jacksonville, FL (US);
Assignee:
Core Dynamics, Inc., Jacksonville, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/178 ;
U.S. Cl.
CPC ...
A61M 5/178 ;
Abstract
A sleeve trocar for piercing tissue to provide a conduit to an internal body cavity insufflated by gas includes a generally tubular sleeve member having a cutting edge and a passageway therethrough. An obturator assembly is telescopically disposed within the sleeve member with the obturator assembly having a moveable portion and a stationary portion, each obturator portion having a blunt face projecting beyond the cutting edge. The present invention also includes a penetration indicator assembly which provides an audible sound upon breach of a body cavity wall.