Evaluation of thermal response of the prostate to ND:YAG laser photocoagulation /

alternative to conventional Transurethral Resection of the

Bibliographic Details
Main Author: Bhattacharya, Atanu, 1969-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1996.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:alternative to conventional Transurethral Resection of the
and extend of tissue damage. It was observed that less
and light distribution induced by the slow heating and the
assures a higher depth of coagulation necrosis in the case of
coagulation necrosis. The diffusing tips are capable of
coagulation necrosis. Thermal and optical sensors were
combinations of power and exposure time were examined. It
connected to instruments and personal computers to develop an
depths and temperature distribution produced by different
during this study were correlated to the cysthoscopic image
entire surface of the urethra along the tip length. Both in
fast heating. Temperature and light information obtained
feasibility of delivering a maximum of 10OW of laser power
gained considerable attention as a safe and effective
heating and the tip geometry) on the thermal effects of laser
influence of the treatment parameters (the rate of tissue
inside the prostate. Two types of fiber tips were
integrated system for temperature and light measurement
interaction with prostatic tissue and the extend of
investigated. In vivo studies were performed on canine
irradiation time.
Laser treatment of Benign Prostatic Hyperplasia (BPH) has
necrosis around the urethral lumen while minimizing total
producing deep, long and symmetric zones of coagulation
Prostate (TURP). The present study tries to find the
prostates using side firing fibers to measure the temperature
side firing beam are sufficient to produce the same depth of
slow heating. In the second part of the study, we tested the
surface damage coupled with a longer heat conduction time
through diffusing tips, which distribute the light over the
uniformly distributing high power laser radiation and
vitro and in vivo studies were performed. The coagulation
was observed that power densities much lower than those of a
Item Description:"Major subject: Bioengineering".
Vita.
Physical Description:55-57 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references: pages 55-57.