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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0235208 (1994-04-29) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 333 인용 특허 : 0 |
A patient monitoring system utilizes a transmitter associated with each patient. The transmitter is worn by a patient and includes sensors operative to monitor vital signs of the patient. The transmitter transmits an allocated RF frequency which is particularly associated with that patient. A series
A patient monitoring system utilizes a transmitter associated with each patient. The transmitter is worn by a patient and includes sensors operative to monitor vital signs of the patient. The transmitter transmits an allocated RF frequency which is particularly associated with that patient. A series of antennas are incorporated in a building, each antenna having its own signature signal. As the patient moves throughout the building, the antennas pick up the signals from the patient\s transmitter and combines the antenna signature signal with the transmitted patient signal. This combined signal is then analyzed at a central location to determine the exact location of the patient due to the antenna signature signal which is modulated on the transmitted patient signal. Transmitted patient data is also decoded at the central station to provide a signal indicative of the vital signs of the patient.
A telemetry system for monitoring at least one vital sign of each one of a plurality of patients, as well as a physical location within an operating area for each patient being so monitored, comprising: a plurality of patient monitoring transmitters, each transmitter adapted for being worn by a diff
A telemetry system for monitoring at least one vital sign of each one of a plurality of patients, as well as a physical location within an operating area for each patient being so monitored, comprising: a plurality of patient monitoring transmitters, each transmitter adapted for being worn by a different one of said plurality of patients and for transmitting as a patient signal an RF signal which has a different RF carrier frequency allocated to each of said plurality of patients, each patient signal containing data indicative of at least one monitored vital sign of the patient wearing the transmitter, a plurality of antennas located in fixed positions throughout the operating area, each of the antennas having an input operative for receiving the patient signal transmitted by each transmitter and an output for directing the patient signal so received to a central location, which central location analyzes the patient signal for providing data indicative of the at least one monitored vital sign of the patient wearing the transmitter; and a plurality of antenna signature means, a different one of each of said antenna signature means being coupled to a respective different one of each of said plurality of antennas for generating a unique antenna identification signal for each antenna it is coupled to, which unique antenna identification signal is combined by said antenna signature means with each patient signal received by said antenna for forming a combined patient signal which is sent to said central location, said central location analyzing the combined patient signal so as to determine which unique antenna identification signal was combined with the patient signal, said determination indicating which antenna of said plurality of antennas located in fixed positions throughout the operating area transmitted the combined patient signal, thereby indicating the location within said operating area of the patient transmitter which transmitted the patient signal.
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