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. 11, 1997
Filed:
May. 03, 1995
David S Zimmon, Port Washington, NY (US);
Rebecca Copenhaver Gibbs, Greensboro, NC (US);
Other;
Abstract
A lateral biopsy device for retrieving tissue samples atraumatically from remote locations within a patient's body. The biopsy device comprises an elongated flexible catheter which terminates at its distal tip in an annular cutting edge. Disposed within the central lumen of the catheter is an elongated flexible shaft which is somewhat longer than the catheter. An anvil having a rounded outer tip is securely attached to the distal end of the shaft. The anvil includes an annular surface that contacts the annular cutting edge of the catheter when the shaft is retracted with respect to the catheter. Gripping means attached to the proximal end of the shaft are also included to better enable the operator to advance and retract the anvil with respect to the annular cutting edge at the distal end of the catheter. A tissue sample positioned between the anvil and the distal end of the catheter is cut and removed when the annular surface of the anvil contacts the annular cutting edge of the catheter.