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:
Nov. 30, 1999
Filed:
Oct. 22, 1997
Erol D Riza, Rossford, OH (US);
Cosme Ribe Gaya, Woodville, OH (US);
Other;
Abstract
A trocar assembly for use in minimally invasive surgery including a housing having an opening formed therethrough and adapted to receive a selected surgical instrument therein. Positioned within the housing is a split seal having a slit extending therethrough. The split seal maintains a seal through the opening of the housing when a surgical instrument is not inserted through the bore of the sleeve. Also positioned within the housing is a seal assembly having a plurality of sealing structures effective to maintain a seal between the housing and a surgical instrument inserted through the bore of the sleeve, such that the plurality of seals accommodate and seal against surgical instruments having different diameters.