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:
Feb. 08, 2011
Filed:
Jul. 16, 2001
Lars Åke Alvar Lidgren, Lund, SE;
Lars Åke Alvar Lidgren, Lund, SE;
Ultrazonix DNT AB, Limhamn, SE;
Abstract
Device for miniinvasive ultrasound treatment of disc disease. A therapeutic ultrasound tranducer () is provided for treatment of the disc (), of a patient () by generating an ultrasonic field (), of which the temperature focus (F) is located in the disc (), for heating thereof. The device comprises an optical navigating device () with a signal receiving or signal sending unit (). A reference device () has a set position relative to the disc (). The Therapeutic ultrasound transducer () is provided for insertion through the skin of the patient () and engagement of the disc (), preferably anulus fibrosus (), and it has a flexible wall with an ultrasound transmitting element provided within the flexible wall. Between the flexible wall and the ultrasound transmitting element there is located at least one cooling chamber () with cooling liquid for cooling the ultrasound transmitting element and the tissue closest to the therapeutic ultrasound transducer () and a temperature sensor is provided to measure the temperature in the disc (), preferably anulus fibrosus ().