Spot size reduction in coupling of laser to micromanipulator in laser microsurgery by fiberoptic link.

abstract：BACKGROUND AND OBJECTIVES:To analyze the impact of humidity and temperature on excimer laser ablation of polyethylene terephthalate (PET), polymethylmethacrylate (PMMA) and porcine corneal tissue, and an ablation model to compensate for the temperature and humidity changes on ablation efficiency. STUDY DESIGN/MATERIAL...

journal_title：Lasers in surgery and medicine

authors： Verma S,Kehrer T,Hesser J,Arba Mosquera S

更新日期：2020-09-01 00:00:00

abstract：:In this study, we examined short-term strength and histology of experimental argon and CO2 laser-welded and control-sutured enterotomies in a rabbit model. Longitudinal 1.0-cm enterotomies were closed with the argon laser at 0.5 (n = 10) or 1.0 (n = 10) W power and a spot diameter of 2.8 mm resulting in energy fluence...

journal_title：Lasers in surgery and medicine

authors： Vlasak JW,Kopchok GE,White RA

更新日期：1988-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Cryogen spray cooling (CSC) is used to minimize the risk of epidermal damage during laser dermatologic surgery. Since optimization of CSC permits the safe use of higher light doses, which improves therapeutic outcome in many patients with superficial skin lesions, studies have focused on under...

journal_title：Lasers in surgery and medicine

authors： Aguilar G,Wang GX,Nelson JS

更新日期：2003-01-01 00:00:00

abstract：:The argon fluoride excimer laser is investigated as a cutting-ablating tool for bone surgery. Quantitative measurements are presented for various fluences of laser energy and number of pulses. Histological data are presented that demonstrate the minimal damage to the surrounding material from the laser interaction. Co...

journal_title：Lasers in surgery and medicine

authors： Lustmann J,Ulmansky M,Fuxbrunner A,Lewis A

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Noninvasive bipolar and monopolar radiofrequency (RF) deep dermal heating devices have previously been described. A novel minimally invasive RF device employing a bipolar microneedle electrode system is introduced and its resultant thermal effects on human skin in vivo were characterized for t...

journal_title：Lasers in surgery and medicine

authors： Hantash BM,Renton B,Berkowitz RL,Stridde BC,Newman J

更新日期：2009-02-01 00:00:00

abstract：:We examined the biostimulating effects of helium-neon laser radiation (HeNe; 632.8 nm), pulsed infrared laser radiation (IR; 904 nm), and the two combined on skin wound healing in New Zealand white rabbits. Seventy-two rabbits received either 1) no exposure, 2) 1.65 J/cm2 HeNe, 3) 8.25 J/cm2 pulsed IR, or 4) both HeNe...

journal_title：Lasers in surgery and medicine

authors： Braverman B,McCarthy RJ,Ivankovich AD,Forde DE,Overfield M,Bapna MS

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Recently developed laser lipolysis systems have been disappointing because they require more time to remove the same amount of fat than other liposuction methods. A new Nd:YAG laser has been introduced that uses the 1,444 nm wavelength, better absorbed by fat. STUDY DESIGN/MATERIALS AND METHO...

journal_title：Lasers in surgery and medicine

authors： Tark KC,Jung JE,Song SY

更新日期：2009-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Efficacy of topical anesthetics can be enhanced by pretreatment of the skin with ablative fractional lasers. However, little is known about the role of parameters such as laser modality and laser density settings in this technique. Aims of this study were to compare the efficacy of pretreatmen...

journal_title：Lasers in surgery and medicine

authors： Meesters AA,Nieboer MJ,Kezic S,de Rie MA,Wolkerstorfer A

更新日期：2018-10-01 00:00:00

abstract：OBJECTIVE:A relatively low level of lysosomal photodamage has been shown capable of promoting the efficacy of photodamage simultaneously or subsequently directed to mitochondrial/ER sites. The procedure has hitherto involved the use of two photosensitizing agents that require irradiation at two different wavelengths an...

journal_title：Lasers in surgery and medicine

authors： Rizvi I,Obaid G,Bano S,Hasan T,Kessel D

更新日期：2018-07-01 00:00:00

abstract：UNLABELLED:BACKGROUND AND OBJECTIVE To examine the biophysical effects of photothermal heating on herniated intervertebral discs during laser decompression surgery. STUDY DESIGN/MATERIALS AND METHODS:Ex vivo bovine nucleus pulposus specimens were irradiated with a Nd: YAG laser (lambda = 1.32 microm, 100 seconds expos...

journal_title：Lasers in surgery and medicine

authors： Choi JY,Tanenbaum BS,Milner TE,Dao XV,Nelson JS,Sobol EN,Wong BJ

更新日期：2001-01-01 00:00:00

abstract：:The pulsed dye laser (wavelength 504 nm, pulse duration 1 microsecond) is widely used for fragmenting urinary and biliary calculi. In this study, the performance of this laser was compared with pulsed dye lasers producing pulse durations of 8 and 20 microseconds. Fragmentation thresholds and fragmentation rates were m...

journal_title：Lasers in surgery and medicine

authors： Bhatta KM,Nishioka NS

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND:Lymphangioma circumscriptum (LC) is a rare, benign, vascular malformation of dilated superficial lymphatic channels. Treatment is typically undertaken for cosmetic reasons or complications such as fluid drainage, pain, and infection risk that can negatively impact quality of life. Management of LC remains ch...

journal_title：Lasers in surgery and medicine

authors： Saluja S,Petersen M,Summers E

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:Acne scarring is a common disfiguring sequela of acne vulgaris which can lead to serious psychosocial problems and have a negative effect on patients' quality of life. Although a variety of approaches can be used to treat atrophic acne scars, disadvantages such as long-healing time, dyspigmentation, infectio...

journal_title：Lasers in surgery and medicine

authors： Lan T,Xiao Y,Tang L,Hamblin MR,Yin R

更新日期：2018-10-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:The aim of this clinical study was to evaluate the safety of local delivery of a photosensitizer followed by photodynamic therapy (PDT), to determine its effectiveness in reducing in-stent restenosis. STUDY DESIGN/PATIENTS AND METHODS:Porfimer sodium was administered via a local delivery cath...

journal_title：Lasers in surgery and medicine

authors： Usui M,Miyagi M,Fukasawa S,Hara T,Ueyama N,Nakajima H,Takata R,Sasame A,Tamura K,Naitou Y,Yamashina A

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND:Low-level laser therapy (LLLT) is a noninvasive treatment for a wide-assortment of medical ailments. A recent application is for noninvasive body slimming. A Level 1 clinical study was completed and recorded a significant reduction in circumferential measurements across waist, hips, and thighs compared to pl...

journal_title：Lasers in surgery and medicine

authors： Jackson RF,Stern FA,Neira R,Ortiz-Neira CL,Maloney J

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Current fat-graft animal models require weeks, to months, for results. The purpose of this study was to develop a model for the rapid identification of adipocyte protectants, using apoptosis-specific fluorescence. The goal of our model was to predict long-term fat graft survival within a 10-da...

journal_title：Lasers in surgery and medicine

authors： Medina MA 3rd,Nguyen JT,McCormack MM,Randolph MA,Austen WG Jr

更新日期：2009-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Lasers have a favorable synergistic effect when combined with other modalities of treatment against keloids. Different types of lasers have been used with triamcinolone infiltration, resulting in promising success rates. The purpose of this study is to describe our first experience treating ear...

journal_title：Lasers in surgery and medicine

authors： Fuenmayor P,Quiñonez H,Salas R,Pujadas Z

更新日期：2020-08-22 00:00:00

abstract：:Rapidly expanding laser technology has created a void in surgical instrumentation when the carbon dioxide laser is applied to intra-abdominal microlaser fertility-promoting procedures. By using proper instruments, the laser microsurgeon will be able to enhance his surgical technique as well as reduce his frustrations....

journal_title：Lasers in surgery and medicine

authors： McLaughlin DS

更新日期：1983-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Many studies have investigated the application of micro-insulated needles with radio frequency (RF) to treat acne in humans; however, the use of a micro-insulated needle RF applicator has not yet been studied in an animal model. The purpose of this study was to evaluate the effectiveness of a ...

journal_title：Lasers in surgery and medicine

authors： Kwon TR,Choi EJ,Oh CT,Bak DH,Im SI,Ko EJ,Hong HK,Choi YS,Seok J,Choi SY,Ahn GY,Kim BJ

更新日期：2017-04-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The use of pulsed dye laser (PDL) and fractional CO2 (FX CO2 ) laser therapy to treat and/or prevent scarring following burn injury is becoming more widespread with a number of studies reporting reduction in scar erythema and pruritus following treatment with lasers. While the majority of studi...

journal_title：Lasers in surgery and medicine

authors： Bailey JK,Blackstone BN,DeBruler DM,Kim JY,Baumann ME,McFarland KL,Imeokparia FO,Supp DM,Powell HM

更新日期：2018-01-01 00:00:00

abstract：:Percutaneous endoscopic approaches to cholelithiasis would be facilitated by methods for welding gallbladder tissues. We evaluated the bursting pressure and histologic appearance of canine gallbladder tissue welded with a thulium-holmium-chromium:YAG (THC:YAG) laser producing a 2.15 microns pulsed output. The tissue a...

journal_title：Lasers in surgery and medicine

authors： Popp HW,Oz MC,Bass LS,Chuck RS,Trokel SL,Treat MR

更新日期：1989-01-01 00:00:00

abstract：:For our study of the effect of low energy laser irradiation (LELI) on living tissue we used HeNe laser on rats. The exponential absorption was reaffirmed in the living tissues overlying the sciatic nerve. An optimal range of energy between 3.5 and 7 J--associated with energy concentration of 4-10 J/cm2 delivered trans...

journal_title：Lasers in surgery and medicine

authors： Nissan M,Rochkind S,Razon N,Bartal A

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Intra-operative identification of tumor by fluorescence may improve surgical resection or photodynamic therapy (PDT). A novel instrument was designed, constructed, and tested for this purpose. STUDY DESIGN/MATERIALS AND METHODS:The instrument was designed to provide high-resolution, multi-spe...

journal_title：Lasers in surgery and medicine

authors： Yang VX,Muller PJ,Herman P,Wilson BC

更新日期：2003-01-01 00:00:00

abstract：:CO2, Nd:YAG, and argon lasers have been used for 5 years for experimental and clinical procedures at the National Cancer Institute of Milan under the auspices of the National Research Council. Experimental data regarding tumor cell spread through lymphatic and hematic channels and cell viability in the fumes after CO2...

journal_title：Lasers in surgery and medicine

authors： Emanuelli H,Bandieramonte G,Marchesini R,Fava G,Rodari A,Colombo MP,Costa A,Spinelli P,Zunino F,Chiesa F,Cascinelli N,Andreola S,Pariente R,Canti GF

更新日期：1983-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The extent of thermal injury during laser prostatectomy is dependent on the light distribution in laser-irradiated tissue. As tissue is irradiated, the optical properties change as a function of temperature due to an alteration of molecular and cellular structure. The purpose of the present stu...

journal_title：Lasers in surgery and medicine

authors： Nau WH,Roselli RJ,Milam DF

更新日期：1999-01-01 00:00:00

abstract：:Previous reports of effects of CO2 laser energy on human fibrocartilage suggest thermal injury extends to a depth of approximately 70 microns from the target surface with power settings of 35 W and exposure times of 0.5 seconds. The present study was undertaken to look for more subtle evidence of thermal alteration of...

journal_title：Lasers in surgery and medicine

authors： Whipple TL,Marotta JJ,May TC,Caspari RB,Meyers JF

更新日期：1987-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Both photodynamic (PDT) and photothermal (PTT) therapy have proven to be effective treatment strategies for cancer, but the approach of combining them into a single treatment modality may offer better treatment efficacy. We compare the treatment efficacy of such combined treatment with the indi...

journal_title：Lasers in surgery and medicine

authors： Kah JC,Wan RC,Wong KY,Mhaisalkar S,Sheppard CJ,Olivo M

更新日期：2008-10-01 00:00:00

abstract：OBJECTIVE:Dental composite restorative materials are color matched to the tooth and are difficult to remove by mechanical means without excessive removal or damage to peripheral enamel and dentin. Lasers are ideally suited for selective ablation to minimize healthy tissue loss when replacing existing restorations, seal...

journal_title：Lasers in surgery and medicine

authors： Chan KH,Hirasuna K,Fried D

更新日期：2011-09-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:This laboratory animal study is a comparison of Nd:YAG 1064 nm and diode 810 nm laser wavelengths in brain interstitial laser photocoagulation (ILP). Specific goals were to identify potential complications and physical characteristics of the thermal damage at both wavelengths prior to undertaki...

journal_title：Lasers in surgery and medicine

authors： Wyman DR,Schatz SW,Maguire JA

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Wound-healing delays caused by lateral thermal damage to tissue remain a drawback of CO(2) surgical lasers. This study compares the thermal damage and wound-healing properties of a 7.5-micros pulsed CO(2) laser with scalpel and continuous wave (CW) CO(2) laser incisions. STUDY DESIGN/MATERIALS...

journal_title：Lasers in surgery and medicine

authors： Sanders DL,Reinisch L

更新日期：2000-01-01 00:00:00