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:
Oct. 07, 2003
Filed:
Jul. 16, 2001
Karin Wårdell, Linköping, SE;
Ola Eriksson, Linköping, SE;
Gert Nilsson, Linköping, SE;
Elekta AB, Stockholm, SE;
Abstract
The present invention relates to an apparatus for destroying a predetermined defined volume ( ) in a tissue, such as generating controlled coagulation, so-called lesion, in the brain. More particularly, the apparatus comprises a main unit ( ) for transmitting a tissue-destroying medium comprising a control unit ( ) for controlling the medium transmission, and a transferring means ( ), such as an electrode, which is connected to said main unit and adapted to be inserted into the predetermined volume for transferring the transmitted medium to the volume. The apparatus according to the invention is characterised in that it further comprises a measuring means ( ) for measuring at least one optical characteristic of the predetermined volume, the optical characteristic varying with the size of the destroyed volume, the measuring means being connected to said control unit for controlling the supply of the tissue-destroying medium on the basis of the measured optical characteristic.