Patient monitoring system

Facsimile and static presentation processing – Static presentation processing – Attribute control

Patent

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Details

128 21A, 340324AD, 358 93, 358142, 358181, H04N 718

Patent

active

040515222

ABSTRACT:
Disclosed is a hospital patient monitoring and display system employing a number of bedside consoles, concealable from the patient and including input for various patient sensors such as ECG, pulse rate, patient temperature and blood pressure. The consoles are powered by a low voltage direct current supply at a central station. The central station includes signal processing and display apparatus to allow the patient data to be displayed on a conventional commercial black and white or color television set along with alpha numerics related to each respective patient. The display is coupled to the hospitals normal entertainment television distribution network, if any, allowing the patient data to be displayed on any television set throughout the hospital. The signal processing and display portions of the system include a control to vary the trace speed and to freeze a display. A printer is connected to the display system to automatically print a reproduction of the display whenever the "freeze" control is actuated. A remote control operation via a radio frequency link may be carried by a patient's doctor and may be operated at any time or place within reception range of the central control to freeze the display for better examination and automatic printout of a reproduction. After a preset period, the display resumes.
The system includes controls for setting maximum allowable values of various parameters and for sounding an alarm whenever the patient parameter varies from the allowable value. Such variation is registered as a shift from one color display to a different one in the case of color television sets, e.g. normal trace, green and abnormality, red. In the case of black and white displays, an alarm condition may be represented as intensity modulation or flashing of the display.

REFERENCES:
patent: 2282384 (1942-05-01), Schenck
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patent: 3588336 (1971-06-01), Scher
patent: 3613669 (1971-10-01), Corbin
patent: 3646606 (1972-02-01), Buxton
patent: 3659283 (1972-04-01), Ophir
patent: 3765009 (1973-10-01), Graves
patent: 3910257 (1975-10-01), Fletcher

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