case study urology minimally invasive surgery for laser ablation in prostate eric m. walser, md

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Case Study Urology Minimally Invasive Surgery For laser ablation in prostate Eric M. Walser, MD

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Page 1: Case Study Urology Minimally Invasive Surgery For laser ablation in prostate Eric M. Walser, MD

Case Study Urology

Minimally Invasive SurgeryFor laser ablation in prostate

Eric M. Walser, MD

Page 2: Case Study Urology Minimally Invasive Surgery For laser ablation in prostate Eric M. Walser, MD

Laser Ablation Hardware and Software

WorkstationSmall 980nm diode laserReadily interfaces with MRISoftware: real-time prediction model control features

Laser Applicator 1.65mm in diameter and includes aCooling Catheter and Laser Diffusing Fiber

Page 3: Case Study Urology Minimally Invasive Surgery For laser ablation in prostate Eric M. Walser, MD

Laser Applicator Placement

Page 4: Case Study Urology Minimally Invasive Surgery For laser ablation in prostate Eric M. Walser, MD

Laser Applicator Placement

Image confirmation of Laser Applicator placementSagittal ImageAxial image

Fiber 1Fiber 2

Page 5: Case Study Urology Minimally Invasive Surgery For laser ablation in prostate Eric M. Walser, MD

Ablation 1

Laser Doses4.5W for 38 sec10.5W 37 sec9W 86 sec12W 124 sec

20 by 15 mm damage

Animation

Final Images

Visualase Axial images Temperature Map Damage Model

Page 6: Case Study Urology Minimally Invasive Surgery For laser ablation in prostate Eric M. Walser, MD

Ablation 2

Laser Doses4.5 W 54 sec10.5 W for 150, 121 and 120 sec

30 by 23 mm damage

Animation

Final Images

Visualase Axial images Temperature Map Damage Model

Page 7: Case Study Urology Minimally Invasive Surgery For laser ablation in prostate Eric M. Walser, MD

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Sagittal images

Page 8: Case Study Urology Minimally Invasive Surgery For laser ablation in prostate Eric M. Walser, MD

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Axial image

Ablation