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:
Aug. 30, 1994
Filed:
Oct. 12, 1993
Christopher A Tacklind, Palo Alto, CA (US);
Vae E Sun, Palo Alto, CA (US);
Nelson S Au, Foster City, CA (US);
Advanced Cardiovascular Systems, Inc., Santa Clara, CA (US);
Abstract
An apparatus for inflating and deflating a balloon on a dilatation catheter in order to perform an angioplasty procedure therewith. The inflation/deflation apparatus has an elongated housing with a piston disposed within a bore within the housing and a threaded piston rod connected to the piston. A threaded split collar or nut is disposed about and engaged with the threaded piston which allows the piston rod to be rotated about its axis in order to move the piston longitudinally in small increments within the bore of the housing. Flexible arms are connected to each half of the split collar or nut which when moved away from the piston rod, disengage the split collar or nut from the piston rod and allow longitudinal movement of the piston within the bore by pushing on the piston rod.