Flow measurement at the pump head of centrifugal pumps: Comparison of ultrasonic transit time and ultrasonic Doppler systems

Artificial Organs

Volumn 21, Issue 7, 1997, Pages 808-815

  Schima, Heinrich ^a,c   Huber, Leopold ^a   Schmallegger, Helmut ^a   Drost, Cornelis J ^b   Droudt, Andrew ^b   Wieselthaler, Georg ^a   Losert, Udo ^a  

^a UNIVERSITY OF VIENNA   (Austria)

^b TRANSONIC SYSTEMS INC   (United States)

^c MEDICAL UNIVERSITY OF VIENNA   (Austria)

Author keywords

Flow; Monitoring; Rotary pump; Transit time; Ultrasound

Indexed keywords

BLOOD; ELECTROMAGNETS; FLOW MEASUREMENT; HEMODYNAMICS; HOUSING; PROBES; ROTARY PUMPS; VORTICITY;

BLOOD FLOW; DOPPLER SYSTEMS; FLOW; FLOW PROFILE; OUTPUT SIGNAL; PUMP HEAD; ROTARY BLOOD PUMPS; TRANSIT-TIME; ULTRASONIC DOPPLER; ULTRASOUND BEAMS;

ULTRASONICS;

BLOOD FLOWMETRY; BLOOD PUMP; MONITORING; PRIORITY JOURNAL; REVIEW; ULTRASOUND;

EID: 0030847050     PISSN: 0160564X     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1525-1594.1997.tb03748.x     Document Type: Review

References (11)

1. Cobbold RSC. Transducers for biomedical measurements: Principles and applications. In: Milsum JH, ed. Wiley series on biomedical engineering and health systems. New York: John Wiley, 1974:245-75.
2. Sato N, Mohri H, Sezai Y, Koyanagi H, Fujimasa I, Imachi K, Atsumi K, Nitta S, Miura M. Multi-institutional evaluation of the Tokyo University ventricular assist system. ASAIO Trans 1990;36:708-11.
3. Schmidt CH, Schmallegger H, Schima H, Wolner E. Implantierbares Doppler Ultraschall-Flussmessgerät mit Auswertung der Strömungsrichtung. Biomed Tech 1993;38:317-8.
4. Hartley CJ, Cole JS. An ultrasonic pulsed Doppler system for measuring flow in small vessels. J Applied Physiol 1974;37(4): 626-9.
5. Yonezawa Y, Schadt JC, Hahn A, Caldwell WM. A miniaturized ultrasonic flowmeter and telemetry transmitter for chonical animal blood flow measurements. Biomed Science Instrument 1989;25:107-11.
6. Tsukiya T, Akamatsu T, Nishimura K, Park CH, Yamada T, Nakazeki T. Use of motor current in flow rate measurement for centrifugal blood pumps. Abstracts of the 42nd ASAIO Meeting 1996:50.
7. Drost CJ. Vessel diameter independent volume flow measurement using ultrasound. Proc San Diego Biomed Symp 1978; 17:299-302.
8. Dean DA, Cabreriza SE, Jia CX, DAllessandro DA, Sardo MJ, Chalik N, Soto PF, Dickstein ML, Spotnitz HM. Validation study of a new transit time ultrasonic flow probe for continuous measurements on the great vessels. ASAIO J 1996;42(5) (in press).
9. Araki K, Taenaka Y, Masuzawa T, Tatsumi E, Wakisaka Y, Masanobu W, Nakatani T, Akagi H, Baba Y, Anai H, Park YH, Eya K, Toda K, Takano H. A flow visualization study of the NCVC centrifugal blood pump. Artif Organs 1994;18: 669-72.
10. Schima H, Schmallegger H, Huber L, Birgmann I, Reindl C, Schmidt C, Roschal K, Wieselthaler G, Trubel W, Losen UM, Wolner E. An implantable seal-less centrifugal pump with integrated double-disk motor. Artif Organs 1995;19:639-43.
11. Holzer S, Scherer R, Schmidt C, Schwendenwein I, Wieselthaler G, Noisser R, Schima H. A clinical monitoring system for centrifugal blood pumps. Artif Organs 1995;19: 708-12.