Limb monitoring method and associated apparatus

Details Limb monitoring method and associated apparatus Limb monitoring method and associated apparatus

1994-08-05

1996-03-12

Hindenburg, Max

Surgery

Truss

Pad

128694, 128721, 604 31, 604 50, 604 66, A61B 5103

Patent

active

054977878

ABSTRACT:
A medical method comprises the steps of attaching a sensing device to a limb of a patient, automatically operating the sensing device to monitor a circumference of the limb, automatically comparing a measured circumference with a reference value, and automatically generating an alarm signal upon detecting that the measured circumference differs from the reference value by more than a predetermined magnitude. In one application of the method, an intravenous catheter is inserted into a blood vessel in the limb, and a fluid is fed into the blood vessel via the catheter. The limb is covered upon insertion of the catheter and attachment of the sensing device, thereby preventing direct visual observation of the limb during performance of a surgical operation on the patient. The circumference measurements and automatic comparisons are performed periodically. In another application of the method, where the limb is one leg of the patient, a detecting device attached to the other leg of the patient, monitors a circumference of that other leg. The circumferences of the two legs are peridocially compared with one another and with reference values to determine an increase in circumference of just one leg, indicating possible phlebitis.

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