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:
May. 15, 2001
Filed:
Aug. 09, 1999
Weng-Kwen Raymond Chia, Irvine, CA (US);
Hosheng Tu, Tustin, CA (US);
Irvine Biomedical, Inc., Irvine, CA (US);
Abstract
An improved catheter system having ultrasound locating capabilities comprising a locator catheter and an ultrasound receiver catheter resulting in an effective electrophysiology procedure without undesired side effects of using a conventional x-ray imaging system. Said catheter system comprising a locator catheter consisted of at least one electrode and an ultrasound crystal secured on the locator catheter; and a reference catheter comprising three or more ultrasound crystal beacons which have pre-determined locations with reference to an external locating calibration system, wherein said external locating calibration system constantly calibrates the coordinates of the beacons on the reference catheter, having at least one ultrasound beacon is movable/controllable by a beacon deployment means.