Title :
A pressure indicating ring for patients with hand pressure sense loss
Author :
Jain, Ganpat L. ; Guha, Sujoy K. ; Pasricha, Jagit S.
Author_Institution :
Indian Inst. of Technol., New Delhi, India
Abstract :
Patients with loss of the sense of pressure exerted by the hand tend to hold objects with excessive pressure, leading to compression of blood vessels. This, over a period, leads to tissue necrosis due to reduction in blood circulation. To give an indication of excessive gripping pressure so that these patients can prevent hands damage, a double-layered ring has been designed when it is worn by the patient, and indication of excessive pressure is obtained in the form of change in color of a layer of liquid crystal mixture sandwiched between the two layers of the ring.<>
Keywords :
mechanoception; pressure measurement; sensory aids; blood vessels compression; colour change; double-layered ring; hand pressure sense loss; liquid crystal mixture; pressure indicating ring; tissue necrosis;
Conference_Titel :
Engineering in Medicine and Biology Society, 1988. Proceedings of the Annual International Conference of the IEEE
Conference_Location :
New Orleans, LA, USA
Print_ISBN :
0-7803-0785-2
DOI :
10.1109/IEMBS.1988.94747