Conical trocar seal

US8147457B2 · kind B2 · utility

Assignee

• Ethicon Endo-Surgery, Inc. · US

Inventors

• Cropper S. Michael · Edgewood, US
• Paul T. Franer · Cincinnati, US
• Thomas A. Gilker · Cincinnati, US
• Geoffrey C. Hueil · Cincinnati, US
• David K. Norvell · Woodsfield, US
• Brian J. Thompson · Aliso Viejo, US
• Aaron C. Voegele · Loveland, US
• Mark S. Zeiner · Milford, US

Key dates

• Filing date: Oct 15, 2003
• Grant date: Apr 3, 2012
• Expiry date: Jul 11, 2027

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2017/3464
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A trocar for performing a procedure on a patient. The trocar includes a hollow cannula having a distal end and a proximal end. The trocar includes a housing having a distal end attached to the proximal end of the cannula and a proximal end having a wall attached thereto. The wall having an aperture therethrough. The trocar further includes a first seal disposed within the housing comprising a plurality of layered elastomeric members forming conical shape.