Understanding Cosmetic Laser Surgery - part 4 ppsx

... absorbs the laser energy, which is immediately con- verted to heat. In certain lasers such as the pulsed dye laser, a micro- scopic explosion literally blows apart the capillary. In other lasers such ... determines how far into the skin laser light will penetrate. The power of the laser and the duration of the pulse of laser light determine how much laser energy is imparted to the...

Ngày tải lên: 11/08/2014, 13:20

... absorbs the laser energy, which is immediately con- verted to heat. In certain lasers such as the pulsed dye laser, a micro- scopic explosion literally blows apart the capillary. In other lasers such ... (chro- mophores) that absorb laser energy as well as the guiding principle behind all cutaneous cosmetic laser treatment (selective photother- molysis). I will recount the history of...

Ngày tải lên: 11/08/2014, 17:21

... Estridge 1211100908070605 04 4321 ϱ Library of Congress Cataloging-in-Publication Data Langdon, Robert. Understanding cosmetic laser surgery / Robert Langdon. p.cm. — (Understanding health and sickness series) ISBN 1-5 780 6-5 8 6-0 ... sickness series) ISBN 1-5 780 6-5 8 6-0 (cloth : alk. paper) — ISBN 1-5 780 6-5 8 7-9 (paper: alk. paper) 1. Surgery, Plastic. 2...

Ngày tải lên: 11/08/2014, 13:20

... birth- marks and exogenous pigments such as those present in tattoos can produce cosmetically objectionable skin lesions. Cosmetic lasers have been developed to treat many types of skin lesions by targeting the ... cell type. There is a well-defined dermal-epidermal junction where the layers interface, below which lies the dermis. The dermis varies greatly in thickness in different parts of...

Ngày tải lên: 11/08/2014, 13:20

... used a laser for the first time on human skin. He used a ruby laser, which emits laser energy at 6 94 nm, in the red part of the visible light spectrum. This laser was a “normal mode” ruby laser that ... term laser resurfacing” to describe this new technique. Laser resurfacing was the procedure most responsible for the rapid growth of cos- metic laser surgery during the 199...

Ngày tải lên: 11/08/2014, 13:20

... three Q-switched lasers. Black ink particles absorb all visible wavelengths. Red ink requires treatment with the frequency- doubled (532 nm) Q-switched Nd:YAG laser. Green responds to Q-switched ... Other lasers used for treating lentigenes are Q-switched ruby and alexandrite lasers, and continuous-wave krypton and diode lasers. Other flat pigmented lesions, including freckles and cafe-au-la...

Ngày tải lên: 11/08/2014, 13:20

... Surgical Laser? / 59 Laser Resurfacing with the CO 2 Laser I reserve the CO 2 laser for full-face resurfacing. The goal of full- face resurfacing is to obtain maximum improvement of photo-aged skin. ... Surgical Laser? / 55 of treated skin by the erbium:YAG laser is below the threshold of collagen contraction. In contrast, the CO 2 laser produces consider- able collagen shrinkage....

Ngày tải lên: 11/08/2014, 13:20

... This garment 74 / Complementary Procedures to Cosmetic Laser Surgery The combination of liposuction of neck and jowls and/or S-lift minimum incision facelift followed by full-face laser resurfacing ... around the eye, the CO 2 laser method is much safer than traditional non -laser techniques. Fig. 6.6 This 60-year-old patient is shown before and after CO 2 laser bleph- aroplast...

Ngày tải lên: 11/08/2014, 13:20

... Reconstructive Surgery) , and the International Society of Cosmetic Laser Surgeons (Dermatologic Surgery) . When you visit a physician’s office for a consultation on cosmetic laser surgery, the surgeon ... the American Academy of Facial Plastic Surgery (Archives of Facial Plastic Surgery) , the American Society for Lasers in Medicine and Surgery (Lasers in Surgery and Medicin...

Ngày tải lên: 11/08/2014, 13:20

... of, 39 40 ; treatment with, 43 44 purpura, 44 , 45 , 46 , 78 Q-switch, 35, 40 , 41 Q-switched lasers, 34, 40 , 41 , 46 , 47 , 48 , 49 , 78; for treating benign pigmented lesions, 41 ; for treating tattoos, 40 41 quantum ... 29, 38, 39, 40 , 43 44 ; laser treatment of, 43 44 post inflammatory hyperpigmenta- tion, 20 post-traumatic scars. See scars, post-traumatic pulsed...

Ngày tải lên: 11/08/2014, 13:20