Title :
Mechanical vasoconstriction for a cerebral myogenic autoregulatory model
Author :
Stan, E. ; McNames, J. ; Kohles, S.S. ; Biber, C. ; Biberic, N. ; Leech, N. ; Mangan, R.W. ; McKinney, T.J. ; Surdu, M. ; Goldstein, B.
Author_Institution :
Dept. of Electr. & Comput. Eng., Portland State Univ., USA
Abstract :
This work presents the design of a mechanical vasoconstriction mechanism with application for cerebral autoregulation. The relationship between the applied voltage of a DC motor and the tension within a pressurized vessel wall was utilized for constricting an arteriole segment within an intracranial vascular model. Using current proportional to the string tension, options for closed loop feedback control are considered.
Keywords :
biocontrol; biomechanics; blood vessels; brain; closed loop systems; feedback; haemodynamics; muscle; neurophysiology; physiological models; DC motor; arteriole segment; cerebral myogenic autoregulatory model; closed loop feedback control; intracranial vascular model; mechanical vasoconstriction mechanism; pressurized vessel wall; Biomedical engineering; Biomedical signal processing; Brain injuries; Cranial pressure; DC motors; Humans; Laboratories; Medical treatment; Monitoring; Voltage; circumferential wall tension; myogenic autoregulation; vasoconstriction;
Conference_Titel :
Engineering in Medicine and Biology Society, 2004. IEMBS '04. 26th Annual International Conference of the IEEE
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-8439-3
DOI :
10.1109/IEMBS.2004.1403300
