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:
Dec. 28, 1993
Filed:
Oct. 09, 1991
William D Fox, New Richmond, OH (US);
Richard F Schwemberger, Cincinnati, OH (US);
Edward J Biehle, IV, Westchester, OH (US);
Harry C Parkhurst, Cincinnati, OH (US);
Ethicon, Inc., Somerville, NJ (US);
Abstract
An electrosurgical device for laparoscopic use in tissue dissection and coagulation. The device includes a barrel member having a dissection tip at the distal end thereof that is connected to a source of electrical energy. An insulating sheath member surrounds the barrel member. The sheath member is movable between a first position wherein the distal end thereof extends distally beyond the dissection tip and a second position wherein the dissection tip extends distally beyond the distal end portion of the sheath member. The device includes means to flush and vacuum the surgical site. The device also includes pressure relief means to limit the internal pressure within the device.