By N. Bom, H. ten Hoff, C. T. Lancée, W. J. Gussenhoven (auth.), N. Bom, J. Roelandt (eds.)
ISBN-10: 940091007X
ISBN-13: 9789400910072
ISBN-10: 9401069433
ISBN-13: 9789401069434
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Extra info for Intravascular ultrasound: Techniques, developments, clinical perspectives
Sample text
Because of this configuration, the ultimate lumen dimension generally exceeds the size of the catheter following a successful procedure. The coaxial devices cut in a generally forward fashion, either tunneling without guidance (the Kensey catheter [4]), or following a guidewire that is placed through a region of stenosis (the Auth Rotablator (TM) [5] and the transluminal extraction catheter (TEe, TM [6]). The coaxial devices enlarge the lumen in a symmetrical fashion, creating a new lumen which is equal in size to the diameter of the cutting element.
This report demonstrates in vitro results obtained with a high frequency imaging catheter (40 MHz) in 70 human specimens including arteries with and without atherosclerosis, veins, coronary artery bypass grafts and vascular prosthetic material. Correlation between the ultrasonic images and the histologic characteristics of the corresponding vessel wall tissue and lumen geometry was established. e. balloon angioplasty, spark erosion and laser were studied with ultrasound and histology. It is anticipated that development of such a catheter imaging technique has potential for diagnostic imaging and for combination with therapeutic systems.
Meyer S, Fitting DW, Chiang EH, Williams DM, Buda AJ. Development of an intravascular ultrasonic catheter imaging system. SPIE Vol. 904. Microsensors and CatheterBased Imaging Technology 1988: 116-7. 6. Gussenhoven WJ, Essed CE, Lancee CT, Mastik F, Frietman P, van Egmond FC, Reiber J, Bosch H, van Urk H, Roelandt J, Born N. Arterial wall characteristics determined by intravascular ultrasound imaging: an in vitro study. J Am Coli Cardiol (in press). 7. Gussenhoven WJ, Essed CE, Frietman P, van Egmond FC, Lancee CT, van Cappellen WA, Roelandt J, Serruys PW, Gerritsen GP, van Urk H, Born N.
Intravascular ultrasound: Techniques, developments, clinical perspectives by N. Bom, H. ten Hoff, C. T. Lancée, W. J. Gussenhoven (auth.), N. Bom, J. Roelandt (eds.)
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