(12) United States Patent ao) Patent No.: us 6,650,930 B2
Ding (45) Date of Patent: Nov. 18,2003
(54) COMPUTER ASSISTED RADIOTHERAPY DOSIMETER SYSTEM AND A METHOD THEREFOR
(75) Inventor: Wei Ding, Kanata (CA)
(73) Assignee: Thomson & Nielsen Electronics Ltd.,
( * ) Notice: Subject to any disclaimer, the term ol this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
(21) Appl. No.: 09/978,595
(22) Filed: Oct. 18, 2001
(65) Prior Publication Data
US 2002/0049362 Al Apr. 25, 2002 (30) Foreign Application Priority Data
Oct. 20, 2000 (CA) 2324048
(51) Int. CI. A61B 6/00
(52) U.S. CI 600/436; 128/920
(58) Field of Search 600/425, 426,
600/436, 1-3; 128/899, 920
(56) References Cited
U.S. PATENT DOCUMENTS
5,621,779 A 4/1997 Hughes et al.
In order to lacilitate the display and evaluation ol data acquired while irradiating a body, e.g. a patient undergoing radiation therapy, a dosimetry system has a plurality ol sensors lor disposition on, in or near the body to be irradiated and connected to a sensor reading instrument which is interlaced with a display system, for example a personal computer, which is arranged to display, in use, one or more representations, for example drawings or photographs, ol the body to be irradiated, along with the positions and the dose data lor those specific locations where the dosimeter sensors were placed.
21 Claims, 17 Drawing Sheets