Hard-wired monitoring system for hospital bed or short term care patients

A system connectible to an electrical power source for monitoring a short term care support device having a sensor thereon for detecting the presence of a patient on the device comprising:

• a microprocessor;
• first circuit means connected to said microprocessor and to the sensor for automatically initiating operation of said microprocessor upon detection by the sensor of the patient's presence on the device;
• second circuit means connected to said microprocessor for providing an alarm upon demand by said microprocessor;
• third circuit means connected to said microprocessor and adapted to be interfaced with a nurse call station for generating signals to the station upon demand by said microprocessor;
• and
• fourth circuit means connected to said microprocessor for controlling said system in response to commands manually applied to said fourth circuit means,
• said microprocessor being responsive to a program means resident therein for activating said system to a "monitor" mode after a predetermined time delay following detection by the sensor of the patient's presence on the device and being responsive to a first manually operable switching means in said fourth circuit means for activating said system to said "monitor" mode immediately after detection by the sensor of the patient's presence on the device.

A system connectible to an electrical power source for monitoring a short term care support device having a sensor thereon for detecting the presence of a patient on the device comprising:

• a microprocessor;
• first circuit means connected to said microprocessor and to the sensor for automatically initiating operation of said microprocessor upon detection by the sensor of the patient's presence on the device;
• second circuit means connected to said microprocessor for providing an alarm upon demand by said microprocessor, said second circuit means having a plurality of means switchably connectable between said microprocessor and an alarm device for providing different input signals to said alarm device;
• third circuit means connected to said microprocessor and adapted to be interfaced with a nurse call station for generating signals to the station upon demand by said microprocessor;
• fourth circuit means connected to said microprocessor for operating said system in response to commands manually applied to said fourth circuit means;
• and
• fifth circuit means having a plurality of switches connected to said microprocessor for manually programming said microprocessors;
• said microprocessor being responsive to a program means resident therein for activating said system to a "monitor" mode after a predetermined time delay following detection by the sensor of the patient's presence on the device and being responsive to said manual programming of said fifth circuit means to connect selected ones of said input signal providing means and selected combinations of said signal providing means to said alarm device.

A system connectible to an electrical power source for monitoring a short term care support device having a sensor thereon for detecting the presence of a patient on the device comprising:

• a microprocessor;
• first circuit means connected to said microprocessor and to the sensor for automatically initiating operation of said microprocessor upon detection by the sensor of the patient's presence on the device;
• second circuit means connected to said microprocessor for providing an alarm upon demand by said microprocessor;
• third circuit means connected to said microprocessor and adapted to be interfaced with a nurse call station for generating signals generating signals to the station upon demand by said microprocessor, said third circuit means having means switchably connectable between said microprocessor and the nurse call station for adapting said system for electrical interfacing with a nurse call station configuration;
• fourth circuit means connected to said microprocessor for operating said system in response to commands manually applied to said fourth circuit means;
• and
• fifth circuit means having a plurality of switches connected to said microprocessor for manually programming said microprocessor;
• said microprocessor being responsive to a program means resident therein for activating said system to a "monitor" mode after a predetermined time delay following detection by the sensor of the patient's presence on the device and being responsive to said manual programming of said fifth circuit means to adapt said system for electrical interfacing with a selected one of pulsed, continuous and one-shot nurse call station configurations.

A system connectible to an electrical power source for monitoring a short term care support device having a sensor thereon for detecting the presence of a patient on the device comprising:

• a microprocessor;
• first circuit means connected to said microprocessor and to the sensor for automatically initiating operation of said microprocessor upon detection by the sensor of the patient's presence on the device;
• second circuit means connected to said microprocessor for providing an alarm upon demand by said microprocessor;
• third circuit means connected to said microprocessor and adapted to be interfaced with a nurse call station for generating signals to the station upon demand by said microprocessor;
• and
• fourth circuit means connected to said microprocessor for operating said system in response to commands manually applied to said fourth circuit means,
• said microprocessor being responsive to a program means resident therein for activating said system to a "monitor" mode after a predetermined time delay following detection by the sensor of the patient's presence on the device and being responsive to interruption of operation of said first circuit means after said system is activated to said "monitor" mode to cause said second circuit means to generate an alarm.