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:
Sep. 01, 1998
Filed:
Jul. 23, 1996
Applicant:
Inventors:
Assignee:
Endocare, Inc., Irvine, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
607105 ; 607 96 ; 607113 ; 606 20 ; 606 21 ; 606 23 ; 606 24 ;
Abstract
Cryocoolers for use in cryosurgery and other applications comprising finned tube helical coil heat exchangers and a flow directing sheath covering portions of the heat exchanger coil and isolating portions of the heat exchanger coil from the outer sheath of the cryocooler. The size and shape of iceballs created by the probes is controlled by the extent and location of the flow directing sheath.