Laser soldering of rat skin, using fiberoptic temperature controlled system.

abstract：BACKGROUND AND OBJECTIVE:Chlorophyllin-M is a new chlorophyll-based derivative photosensitive compound developed by our research group with easy laboratorial synthesis and ideal properties for photodynamic therapy (PDT). It is intended for clinical treatments with simple and low cost techniques and reagents. The object...

journal_title：Lasers in surgery and medicine

authors： Salomao GH,Fernandes AU,Baptista MS,Tardivo JP,Christofolini DM,Correa JA

更新日期：2015-07-01 00:00:00

abstract：OBJECTIVE:The aim was to evaluate the influence of Er,Cr:YSGG laser irradiation associated with different final irrigation protocols on the bond strength of epoxy resin-based root canal sealer to root dentin, on the dentin/filling material interface and in the temperature variation during irradiation. METHODOLOGY:Nine...

journal_title：Lasers in surgery and medicine

authors： Franceschini KA,Silva-Sousa YT,Lopes FC,Pereira RD,Palma-Dibb RG,de Sousa-Neto MD

更新日期：2016-12-01 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：BACKGROUND AND OBJECTIVES:Variable square pulse (VSP) Er:YAG laser should be quicker than older Er:YAG lasers. The objectives were: (1) comparison of VSP laser and mechanical handpiece efficacy for apicectomy and (2) determination of optimal pulse width/energy/frequency combination. STUDY DESIGN/MATERIALS AND METHODS:...

journal_title：Lasers in surgery and medicine

authors： Grgurević J,Grgurević L,Miletić I,Karlović Z,Krmek SJ,Anić I

更新日期：2005-06-01 00:00:00

abstract：:This is the first report on the use of endoscopic argon photoirradiation to treat patients with low-grade ureteral tumors involving the distal ureter. Using a rigid ureteropyeloscope, a 300 mu or 600 mu quartz fiber, and 5 watts (W) of power in a continuous-wave mode, the lesions were ablated without complication. Pat...

journal_title：Lasers in surgery and medicine

authors： Johnson DE

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:The goal of this study was to use an inexpensive macroscopic imaging system to monitor tumor progression in mouse models in real-time with minimal intervention. STUDY DESIGN/MATERIALS AND METHODS:Illumination is provided via a xenon arc lamp and a fiber optic probe which delivers white light o...

journal_title：Lasers in surgery and medicine

authors： Carlson AL,Hoffmeyer MR,Wall KM,Baugher PJ,Richards-Kortum R,Dharmawardhane SF

更新日期：2006-12-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Non-invasive laser skin treatment modalities are generally designed to protect the epidermis by cooling and limiting the laser energy deposition in accordance with skin type. We explore a treatment modality that uses a 2,940 nm Er:YAG laser with high tissue absorption to ablate an array of cha...

journal_title：Lasers in surgery and medicine

authors： Tanghetti E,Mirkov M,Sierra RA

更新日期：2017-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Recent studies have sought to utilize diode laser "micropulsing" in order to preserve therapeutic efficacy of retinal photocoagulation while minimizing pain and subjacent tissue injury. A model for the transient thermal tissue response to continuous and micropulsed diode laser output is present...

journal_title：Lasers in surgery and medicine

authors： Berger JW

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Short-pulse solid-state lasers have recently received much attention as new coherent light sources for medical applications, but steady transmission of their high-energy output pulses through a solid quartz fiber is difficult because of the onset of laser-induced breakdown. We previously demons...

journal_title：Lasers in surgery and medicine

authors： Sato S,Shi YW,Matsuura Y,Miyagi M,Ashida H

更新日期：2005-08-01 00:00:00

abstract：:Previous investigators, using relatively high irradiance levels, have been unable to demonstrate viable tissue in the plume during carbon dioxide laser vaporization. Our study was undertaken to reinvestigate this possibility, particularly at the lower irradiance levels that are currently in clinical use. Fresh post-mo...

journal_title：Lasers in surgery and medicine

authors： Walker NP,Matthews J,Newsom SW

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND:We sought to investigate risk factors for recurrence of vaginal intraepithelial neoplasia (VAIN) in the vaginal vault after laser vaporization. MATERIALS AND METHODS:Among 162 patients treated with laser vaporization in the vaginal vault after hysterectomy between March 1998 and August 2007, the clinical da...

journal_title：Lasers in surgery and medicine

authors： Kim HS,Park NH,Park IA,Park JH,Chung HH,Kim JW,Song YS,Kang SB

更新日期：2009-03-01 00:00:00

abstract：:We have used MR monitoring to guide and evaluate the effects of the Nd:YAG interstitial laser on a well-characterized rat brain tumor model (C6). MRI was used to determine the tumor size, verify the location of the interstitial probe, and evaluate the size and location of the laser-induced lesion during and after trea...

journal_title：Lasers in surgery and medicine

authors： el-Ouahabi A,Guttmann CR,Hushek SG,Bleier AR,Dashner K,Dikkes P,Black PM,Jolesz FA

更新日期：1993-01-01 00:00:00

abstract：:Photodynamic therapy (PDT) is a promising approach to the treatment of cancer. Preferential retention of the photosensitizer by malignant tissue has been considered a hallmark of this treatment modality. However, photosensitivity can be observed in normal, non-neoplastic tissues, and the present study investigated the...

journal_title：Lasers in surgery and medicine

authors： Chazen MD,Baggs RB,Gibson SL,Albert MS,Hilf R

更新日期：1991-01-01 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：: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：:The temperature developed by the laser thermal ("hot tip") probe during arterial recanalisation is primarily dependent on the rate of energy delivery and the rate of dissipation to the surrounding medium. While higher probe tip temperatures enhance the efficacy of atheroma ablation, so too is the incidence of adverse ...

journal_title：Lasers in surgery and medicine

authors： Rosenthal E,Foussas S,Montarello JK,Boyd EG,Curry PV

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:This paper describes the laser techniques available for the treatment of surgical and trauma scars and develops recommendations for an algorithmic-based treatment approach based on extensive clinical experience and published data. STUDY DESIGN/MATERIALS AND METHODS:We reviewed the literature ...

journal_title：Lasers in surgery and medicine

authors： Kauvar ANB,Kubicki SL,Suggs AK,Friedman PM

更新日期：2020-02-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Verteporfin is a new photosensitizer with short-term skin photosensitivity. The objective of this preclinical study was to find the light dose that effectively ablates canine esophageal mucosa when delivered 30 minutes after Verteporfin injection. STUDY DESIGN/MATERIALS AND METHODS:Verteporfin...

journal_title：Lasers in surgery and medicine

authors： Panjehpour M,DeNovo RC,Petersen MG,Overholt BF,Bower R,Rubinchik V,Kelly B

更新日期：2002-01-01 00:00:00

abstract：:A laser endoscope was devised using optic fibers in order to provide a means of visualization and removal of atheromatous plaques from arteries in cadavers and experimental animals. Atheromatous plaques were satisfactorily lased off in a few seconds, although contraction of lased vessels was observed. A self-focusing ...

journal_title：Lasers in surgery and medicine

authors： Ward H

更新日期：1984-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Energy-based treatments have been found to be a promising treatment modality for improving stress urinary incontinence (SUI) symptoms. This prospective two-center study was designed to evaluate the efficacy of fractional-pixel CO2 laser for the treatment of SUI. STUDY DESIGN/MATERIALS AND MET...

journal_title：Lasers in surgery and medicine

authors： Franić D,Fistonić I,Franić-Ivanišević M,Perdija Ž,Križmarić M

更新日期：2020-09-08 00:00:00

abstract：:A low-energy Nd:YAG laser was used to irradiate extracted human teeth coated with a black energy-absorbent laser initiator in a study to determine the extent of the morphologic changes produced in the enamel surface. The laser initiator was applied to a cleaned enamel surface and irradiated at an energy output of 30 m...

journal_title：Lasers in surgery and medicine

authors： Hess JA

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:This work evaluates the application of a 810 nm diode laser operating in the range of 400-1,200 mW for bacterial reduction at periodontal treatment. The aim of this study is to examine the immediate effect of the diode medium power laser in reducing the bacterial concentration at periodontal po...

journal_title：Lasers in surgery and medicine

authors： Fontana CR,Kurachi C,Mendonça CR,Bagnato VS

更新日期：2004-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Progressive ascending telangiectasia (PAT) is a distinct entity with telangiectatic superficial vessels on lower extremities as its main clinical feature. A relationship with occult infections and response to antibiotic and antifungal drugs have been described, although not all cases can be suc...

journal_title：Lasers in surgery and medicine

authors： Pérez B,Núñez M,Boixeda P,Harto A,Ledo A

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:To investigate the morphology of cementum and root dentin after Er:YAG laser irradiation with and without water coolant, compared to that after CO(2) laser irradiation and an untreated surface. STUDY DESIGN/MATERIALS AND METHODS:Ten extracted healthy human teeth were used. Er:YAG and CO(2) la...

journal_title：Lasers in surgery and medicine

authors： Sasaki KM,Aoki A,Ichinose S,Ishikawa I

更新日期：2002-01-01 00:00:00

abstract：:This work presents measurements of time-resolved fluorescence microscopy of hematoporphyrin-derivative (HpD) in single cells of mice tissue (both tumor and normal cells), in HeLa Cells, and in solution. The measurements were performed using a pulsed-laser microfluorometer with high spatial and temporal resolution. In ...

journal_title：Lasers in surgery and medicine

authors： Docchio F,Ramponi R,Sacchi CA,Bottiroli G,Freitas I

更新日期：1982-01-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:Intense pulsed light (IPL) is regarded as the gold standard of nonablative photo-rejuvenation. Yet there is still a need to observe its efficacy and safety on dark skin using a split-face module. STUDY DESIGN/MATERIALS AND METHODS:Twenty-four Chinese women with photoaging were enrolled in thi...

journal_title：Lasers in surgery and medicine

authors： Li YH,Wu Y,Chen JZ,Zhu X,Xu YY,Chen J,Dong GH,Gao XH,Chen HD

更新日期：2010-02-01 00:00:00

abstract：BACKGROUND AND OBJECTIVES:To investigate the effect of photodynamic therapy (PDT) on cell death in malignant tumor tissue, the frequency of terminal deoxynucleotidyl transferase-mediated dUTP nick end-labeling (TUNEL)-positive cells and the possible involvement of Fas and Fas ligand system were evaluated. STUDY DESIGN...

journal_title：Lasers in surgery and medicine

authors： Yokota T,Ikeda H,Inokuchi T,Sano K,Koji T

更新日期：2000-01-01 00:00:00

abstract：:Using an optically shielded fiber optic laser catheter, the amount of gas produced when firing an argon ion laser into 0.9% saline solution or blood alone and into atheromatous aorta in either a blood or 0.9% saline medium was quantitated. Energies from 0.25 to 4 joules (J) were used at powers of 2, 5, and 8 W. We fou...

journal_title：Lasers in surgery and medicine

authors： Davis GS,Bott-Silverman C,Goormastic M,Gerrity RG,Kittrell C,Feld M,Kramer JR

更新日期：1988-01-01 00:00:00

abstract：BACKGROUND:Platelet-rich plasma (PRP) which contains large amounts of growth factors has been tried to enhance therapeutic efficacy of laser treatment for acne scar with unknown underlying mechanism. OBJECTIVES:The present study was conducted to investigate the molecular mechanism of increased clinical efficacy of PRP...

journal_title：Lasers in surgery and medicine

authors： Min S,Yoon JY,Park SY,Moon J,Kwon HH,Suh DH

更新日期：2018-04-01 00:00:00

abstract：:Intestinal welding by means of low-power laser has been reported as an efficient method for intestinal anastomosis. We designed an experimental model in rats to investigate collagen and DNA concentrations in CO2 laser-welded anastomoses as compared with those in sutured anastomoses on the 4th, 7th, and 10th postoperat...

journal_title：Lasers in surgery and medicine

authors： Rabau MY,Wasserman I,Shoshan S

更新日期：1994-01-01 00:00:00