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Reseña del editor
In conventional partial resection of parenchymatous organs significant bleeding is one of the main problems, especially in neonates and infants. The patients rapidly lose considerable amounts of their small blood volume. Laser light leads to photo thermal effects in tissue and causes coagulation, drying up, carbonization and evaporization, depending on the temperature. The neodymium Y AG laser emits nonvisible light in the near infrared with a wavelength of l. 0611m. This wavelength implies a relatively deep penetration into the tissue. This laser system, properly a coagulation laser, achieves its cutting effect by its high power density [9]. Because of thermal radiation in all directions, both sides of the section plane are coagulated as a positive side effect. Thus, in parenchymatous organs a combination of resection and sealing of the cut vessels and ducts, up to a limited diameter, is obtained. Laser Instruments We use a neodymium-YAG laser mediLas 2 (MBB-Medizintechnik, D-8012 Ottobrunn, Federal Republic of Germany), wavelength l. 0611m, maximal power output around 110 W (Fig. 1). Normally we prefer to work without tissue contact, Fig. l. The Nd-YAG laser system mediLas 2 with maximal power output around 100 W The Neodymium Y AG Laser in Surgery of Parenchymatous Organs 25 Fig. 2. The focusing handpiece with focal distance of 50 mm 1cm Fig. 3.
Reseña del editor
This is the first volume of the Progress in Pediatric Surgery series devoted entirely to technical aspects. The chapters stem partly from papers presented at a symposium on the occasion of Prof. Hecker's 65th birthday and partly from invited contributions from authors who are expert in specialized technical procedures or have developed new surgical methods. The book thus gives an up-to-date overview of recent technical innovations in pediatric surgery.
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Operative technique in neonates and infants. Progress in pediatric surgery ; Vol. 25;
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Berlin ; Heidelberg ; New York ; London ; Paris ; Tokyo ; Hong Kong : Springer, 1990
ISBN 10: 3540510575
ISBN 13: 9783540510574
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gebundene Ausgabe. Condición: Gut. 141 Seiten; Das hier angebotene Buch stammt aus einer teilaufgelösten wissenschaftlichen Bibliothek und trägt die entsprechenden Kennzeichnungen (Rückenschild, Instituts-Stempel.); leichte altersbedingte Anbräunung des Papiers; der Buchzustand ist ansonsten ordentlich und dem Alter entsprechend gut. In ENGLISCHER Sprache. Sprache: Englisch Gewicht in Gramm: 340. Nº de ref. del artículo: 1759040
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Operative technique in neonates and infants. Progress in pediatric surgery ; Vol. 25 Angerpointner, Thomas A.
Publicado por
Berlin ; Heidelberg ; New York ; London ; Paris ; Tokyo ; Hong Kong : Springer, 1990
ISBN 10: 3540510575
ISBN 13: 9783540510574
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Librería: BUCHSERVICE / ANTIQUARIAT Lars Lutzer, Wahlstedt, Alemania
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Condición: gut. 1990. Operative technique in neonates and infants. Progress in pediatric surgery ; Vol. 25 In deutscher Sprache. pages. Nº de ref. del artículo: BN429050
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