Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1983-03-07
1985-08-20
Swann, III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340689, 200 6152, 200DIG2, G08B 2100
Patent
active
045367558
ABSTRACT:
An apparatus and a method for monitoring the activity of a patient comprehend the sensing of the downwardly directed angular inclination of the distal end of the patient's femur to determine when the patient is in an ambulatory enabling position. The electrodes of a mercury switch, which is included in an alarm module that is attached to the patient's thigh, close to produce an electric signal whenever such inclination exceeds a preselected threshold angle. Such signal activates an alarm-generating electrical circuit to produce an alarm with a distinctive sound to provide notice to attending personnel of the possibility of impending injury to the patient.
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Doney Alfred D.
Holzgang Curtis R.
Kuehn James
Leavitt Mark K.
Rigi Systems, Inc.
Swann III Glen R.
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