Laser interaction with pseudoblood clots

Dennis L. Paisley; David B. Stahl

doi:10.1117/12.273401

28 May 1997 Laser interaction with pseudoblood clots

Dennis L. Paisley, David B. Stahl

Proceedings Volume 2869, 22nd International Congress on High-Speed Photography and Photonics; (1997) https://doi.org/10.1117/12.273401
Event: 22nd International Congress on High-Speed Photography and Photonics, 1996, Santa Fe, NM, United States

Abstract

In recent years lasers have become a common tool for medical procedures. Lasers are typically used to deliver energy/power to a biological specimen to alter its characteristics, fuse tissue or destroy a particular structure. Under a Los Alamos CRADA, we have been working with a medical laser company and a laser medical center to study the laser interaction with pseudo-blood clots that are typical of those found in human coronary arteries. A 577-nm flash lamp pumped dye laser beam is pulsed through a 300- micron optical fiber to deliver the laser energy on the surface of a pseudo-clot material. The fiber and pseudo-clot are surrounded by water or x-ray contrast fluid transparent at 577 and 514 nm. The laser-pulse/clot interaction creates a bubble at the water-clot interface. The bubble expands out and collapses back on the pseudo-clot resulting part of the clot being removed. Using a backlight technique with an electronic framing camera we record the bubble growth, expansion, and collapse, and the debris generated by the interaction.

Citation Download Citation

Dennis L. Paisley and David B. Stahl "Laser interaction with pseudoblood clots", Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); https://doi.org/10.1117/12.273401

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available