Výsledky vyhledávání - "Rene L. H. Sprangers"

Effect of force on ablation depth for a XeCl excimer laser beam delivered by an optical fiber in contact with arterial tissue under saline

Autor: M. J. C. Van Gemert, D. G. Van Den Broecke, Rene L. H. Sprangers, G. H. M. Gijsbers

Publikováno v: Lasers in surgery and medicine, 12(6), 576-584. Wiley-Liss Inc.

The effect of force applied to a 430 micron single fiber, delivering 60 pulses of 308 nm XeCl laser radiation at 20 Hz, on the ablation depth in porcine aortic tissue under saline has been investigated. Energy densities of 8, 15, 25, 28, 31, 37, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c885dc433f702807d24eb5d951495e61
https://doi.org/10.1002/lsm.1900120603

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Excimer laser coronary angioplasty: Initial experience in Amsterdam

Autor: G. K. David, Jacques J. Koolen, G. H. M. Gijsbers, M. J. C. Van Gemert, Marleen Keijzer, Rene L. H. Sprangers

Publikováno v: Lasers in Medical Science. 6:281-288

This paper reports on the initial clinical experience with 308 nm XeCl-excimer laser coronary angioplasty (ELCA) in the Academic Medical Center in Amsterdam and on calculations of light fluence rate distributions resulting from laser beams incident o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fcab935534f26d8bfe6d7429e0ff1644
https://doi.org/10.1007/bf02030881

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Some Laser-Tissue Interactions in 308 nm Excimer Laser Coronary Angioplasty

Autor: Martin J. C. van Gemert, Rudolf M. Verdaasdonk, Rene L. H. Sprangers, Cornelius Borst, Jacques M. T. de Bakker, Marleen Keijzer, Ton G. van Leeuwen, G. H. M. Gijsbers

Publikováno v: Journal of interventional cardiology, 3(4), 231-241. Wiley-Blackwell

Some physical concepts of laser‐tissue interactions that occur in 308‐nm excimer laser angioplasty are addressed. Monte Carlo numerical computations were used to analyze the light fluence rate distributions resulting from finite diameter laser be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2142032a812a4d421b1e9b0aa4c4ae29
https://doi.org/10.1111/j.1540-8183.1990.tb00984.x

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Modified Fiber Tips for Laser Angioplasty

Autor: Martin J. C. van Gemert, Cornelius Borst, Rene L. H. Sprangers, Rudolf M. Verdaasdonk, G. H. M. Gijsbers, Ton G. van Leeuwen

Publikováno v: Journal of interventional cardiology, 3(4), 243-253. Wiley-Blackwell

Laser angioplasty with modified fiber tips has become a common procedure for the recanalization of totally occluded peripheral arteries. We evaluated the contribution of optical, thermal, and mechanical effects to the mechanism of recanalization of v

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6f715640264dc070b1426695d55a2e6
https://doi.org/10.1111/j.1540-8183.1990.tb00985.x

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Temperature increase during in vitro 308 nm excimer laser ablation of porcine aortic tissue

Autor: Duco G. van den Broecke, Rene L. H. Sprangers, Niek van Wieringen, G. H. M. Gijsbers, Marco J. P. Brugmans, Martin J. C. van Gemert

Publikováno v: SPIE Proceedings.

The temperature increase of porcine aortic tissue irradiated with 220 ns XeCl 308 nm excimer laser pulses above ablation threshold have been measured by means of an IR camera. The decay of the temperature increase after a laser pulse is characterized

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f99746792c2096baba065f001879c05
https://doi.org/10.1117/12.44021

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