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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
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| 출원번호 | US-0520405 (1990-05-08) |
| 발명자 / 주소 |
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| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 373 인용 특허 : 0 |
An ambulatory physiological evaluation system including a main and background gamma radiation detector provided in a vestlike garment worn by a patient for the purpose of monitoring and/or diagnosing the patient\s physiological activities during a prescribed period of time. Also included is an appar
An ambulatory physiological evaluation system including a main and background gamma radiation detector provided in a vestlike garment worn by a patient for the purpose of monitoring and/or diagnosing the patient\s physiological activities during a prescribed period of time. Also included is an apparatus and method for determining the exact location of the left ventricle of the heart, positioning the main radiation detector relative to the left ventricle, and maintaining the position of the main radiation detector relative to the left ventricle during an ambulatory study period. The ambulatory physiological evaluation system also contains electronic circuitry which monitors and processses information obtained from the radiation detectors. Information from the main and auxiliary detectors, as well as ECG electrodes is recorded on a portable cassette recorder. After the information has been recorded over a desired period of time, the information is presented, through an interface and an analog to digital converter, to the memory of a stand alone computer located in a hospital or office. The computer calculates such items as R-R time intervals, electrocardiagram and time-activity curves, and displays these items and other physiological data for both the main and auxiliary detectors. From the calculations made by the computer, average heart rate, number of aberrant beats, left ventricular ejection fraction and relative cardiac blood volume and other values of physiological significance may be calculated for a time interval of interest.
Apparatus for aligning a radiation detector relative to the left ventricle of the heart of a patient, said apparatus comprising: a vest adapted to be worn about the torso of the patient and covering the heart; a mounting bracket to be mounted to said vest and to receive said radiation detector; a fi
Apparatus for aligning a radiation detector relative to the left ventricle of the heart of a patient, said apparatus comprising: a vest adapted to be worn about the torso of the patient and covering the heart; a mounting bracket to be mounted to said vest and to receive said radiation detector; a first mounting means for adjustably mounting said bracket relative to said vest; a planar alignment fixture having a centerline cursor made from elements that do not pass gamma radiation; registration means for aligning said alignment fixture in a predetermine position on said mounting bracket; and means for fixedly mounting said alignment fixture to said mounting bracket.
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