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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0134362 (1993-10-08) |
| 발명자 / 주소 |
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| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 362 인용 특허 : 0 |
The present invention is a remote sensing system for real time monitoring of patient position which can report variations in patient setup from day to day as well as motion during individual treatments. In particular, an embodiment of the present invention includes: (a) a source of radiation for app
The present invention is a remote sensing system for real time monitoring of patient position which can report variations in patient setup from day to day as well as motion during individual treatments. In particular, an embodiment of the present invention includes: (a) a source of radiation for applying radiation to a patient; (b) targets affixed to the patient for reflecting radiation impinging thereon; (c) two cameras and a computer for detecting the reflected radiation and for determining the current position of the targets in three-dimensional space; (d) a data store for storing the position of the targets; (e) the computer also serving to compare the current position of the targets with positions stored in the data store; and (f) a display for displaying indicators whenever differences between the current position and the stored position exceed tolerances stored in the data store.
Apparatus for monitoring and sensing changes in position of a patient from a prior position at a prior time to a current position at a current time, which apparatus comprises: a source of radiation for applying radiation to a patient; a plurality of individual targets adapted to be releasably affixe
Apparatus for monitoring and sensing changes in position of a patient from a prior position at a prior time to a current position at a current time, which apparatus comprises: a source of radiation for applying radiation to a patient; a plurality of individual targets adapted to be releasably affixed at both a current time and a prior time to the patient, for reflecting radiation impinging thereon; camera and computer means for detecting the reflected radiation from individual ones of the targets, uniquely identifying individual ones of said targets from which radiation was detected, and for individually determining current and prior positions of the uniquely identified targets in three-dimensional space, based on the target fixation to the patient at the current and prior times, respectively; data storage means for storing data representative of at least the prior position of the uniquely identified targets; computer means for comparing the current position of the uniquely identified targets with the prior position data stored in the data storage means for those identified targets, and developing from said comparing position signals representative of a difference in position of said identified targets, and therefore said patient from said prior time to said current time; and display means responsive to said position signals for displaying indicators representative of said difference in position of said patient.
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