By Gunther Bastert, Diethelm Wallwiener, D. Pollmann, S. Rimbach
A synopsis of using lasers in gynecology is gifted during this ebook; it really is supported by means of greater than 10 years of expertise and sponsored up through experiences inthe fields of experimental surgical procedure, technical medication and medical gynecology. The authors express how laser-assisted guidance hasbroadened the spectrum of operative percentages in gynecology. significant issues of cognizance are experimental surgical procedure and easy study, info of program with recognize to express symptoms, and destiny capability. additionally, the transparent definition of the probabilities and obstacles of laser know-how places an finish to the hugely stylized view of a patent ask yourself divorced from basic operative criteria. Thereis doubtless that clients of laser know-how stand at the threshold of a promising improvement and but, regardless of the current based purposes, thefirst steps to adulthood are just now being taken.
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Extra resources for Lasers in Gynecology: Possibilities and Limitations
The power measurements were compared with the linear velocity and the motility pattern. There was a correlation between velocity and power for the entire sperm population. Zig-zag motile sperm required significantly higher mean trapping powers than straight 29 motile sperm with similar mean linear velocities. Trap power requirements at various time intervals following ejaculation were also determined. These results indicate that, in addition to its power as a micromanipulation device, the optical trap may contribute to better understanding of sperm physiology and locomotion.
References 1. Bruhat M, Mage G, Manhes M (1975) Use of the CO 2 laser via laparoscope. III. In: Kaplan I (ed) Proceedings of the 3rd International Society for Laser Surgery meeting, Tel Aviv, p 275 2. Cornier E (1982) La fibroscopie en gynecologie: la fibro-hysteroscopie et la fibrotuboscopie. N ouv Presse Med 11: 28412843 3. Daniell JF, Diamond MP, McLaughlin DS, Martin DC, Feste J, Surrey MW, Friedman S, Vaughn WK (1986) Clinical results of terminal salpingotomy with the use of CO 2 -laser: report of the intraabdominal laser study group.
24 + Temp. Effect Tissue changes >300 Vaporization Tissue removal / Cutting >150 Carbonizalion Black coloration 90-100 Drying Constant scattering / shrinkage l 60 l Protein denaturation White-gray color Enzymatic changes Edema Heating No damage 65 45 40 37 l +/-6 Seeding -70 -196 Sperm Fig. 1. Range of temperatures used in assisted reproductive technologies (ART) and their related effects quired to raise the temperature of living tissue from 37°C to 150°C is roughly 488 J/cm 3 and approximately 3200 J/cm 3 is required to vaporize a given volume element of tissue .