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:
Jan. 11, 1994
Filed:
Jan. 05, 1993
Applicant:
Inventors:
Takaaki Kobiki, Noda, JP;
Akira Ohgushi, Tokyo, JP;
Assignee:
Hitachi Medical Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
378 65 ; 378151 ;
Abstract
A stereotactic radiosurgery including a collimator adapted movably to an irradiation head, a driving apparatus for changing a position of the collimator while keeping a position relation in which a center line of a hole of the collimator coincides with a line connecting an apex of a radiation cone and a center portion of the focus, and a control apparatus for detecting a position error between an irradiating direction of the radiation and the center portion of the focus, driving the collimator driving apparatus and moving the collimator to a position at which the detected position error is offset.