Device for avoiding subdermal hematomas from an injection

Details Device for avoiding subdermal hematomas from an injection Device for avoiding subdermal hematomas from an injection

1998-05-04

2000-12-05

Kennedy, Sharon

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 68, A61M 500, A61M 530

Patent

active

061560081

ABSTRACT:
An injection site detecting device is for detecting a suitable site for injecting liquid medication through a skin surface of a patient with an injector. The injection site locating device includes a sensor to detect and give an indication of a suitable injection site to minimize creation of subdermal hematomas from injection of the liquid medication by the injector. In particular, the sensor is a temperature sensor that detects the presence of high and/or low blood flows and indicates that a suitable injection site is over the low blood flow. The sensor indicates a suitable injection site by changing color due to changes in temperature or by providing a sound signal due to changes in temperature. Generally, low blood flows representing suitable injection sites are detected by a stable temperature in the range of 92.0 to 95.5.degree. Fahrenheit, and high blood flows representing an unsuitable injection site are detected by a stable temperature in the range of 95.6 to 99.0.degree. Fahrenheit.

REFERENCES:
patent: 5354287 (1994-10-01), Wacks
patent: 5480381 (1996-01-01), Weston
patent: 5730723 (1998-03-01), Castellano et al.
patent: 5851198 (1998-12-01), Castellano et al.
patent: 5993412 (1999-11-01), Deily et al.

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