Surgery – Truss – Perineal
Patent
1979-06-18
1981-03-17
Michell, Robert W.
Surgery
Truss
Perineal
128675, 128DIG25, 128325, A61H 900, A61B 1712
Patent
active
042560942
ABSTRACT:
An arterial pressure control system comprises an inflatable cuff for encircling the artery and a fluid pump connected to inflate the cuff. The outlet pressure of the pump is controlled by a programmable controller which receives a feedback signal from a pressure sensor contacting the artery downsteam from the cuff. The output of the pressure sensor is compared with a reference value so that the feedback signal to the controller represents the difference between the actual arterial pressure and the desired pressure. The controller thereupon regulates the output pressure of the pump so as to inflate or deflate the cuff as needed to maintain the desired arterial pressure.
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patent: 3730186 (1973-05-01), Edmunds, Jr. et al.
patent: 4080966 (1978-03-01), McWally et al
Folin, Improved . . . Determination of Blood Flow, May 1952, The Review of Scientific Instruments, vol. 23, No. 5, pp. 235-242.
Barnes et al., An Automated Tilting Bed for . . . Control of Blood Pressure, I.E.E.E. Trans. on Bio. Engr., vol. 8ME-21, No. 2, pp. 124-129, Mar. 1974.
Timm et al., Intermittent Occlusion System, IEEE Trans. on Bio. Med. Engr., Oct. 1970, p. 352.
Kapp John P.
Robertson James T.
Tucker Elton M.
Michell Robert W.
Rose Arthur S.
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