A novel covert laparoscopic cholecystectomy by using 2-mm trocar-less needle-shape instruments
Hai Hu, Professor, MD, PhD, Anan Xu, MD, Guoqing Dai, MD, Anhua Huang, MD, Weidong Wang, MD, Jiangfan Zhu, Professor, MD, Bingguan Chen, Professor, MD, PhD Tongji University School of Medicine, Shanghai East Hospital OBJECTIVE: To develop a new covert laparoscopic cholecystectomy in comparison with the single-incision laparoscopic cholecystectomy (SILC). PATIENT AND METHODS: From January… Continue Reading
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Instrument Tip Displacements during Manual and Powered Laparoscopic Stapler Use
Donald R Peterson, PhD, MS, Tarek Tantawy, MS, Drew Seils, MS, Angela S Kueck, MD University of Connecticut Health Center Manual laparoscopic staplers can require very high user activation forces during stapler firing, which can lead to excessive movement of the instrument tip and increase the potential for tissue damage. Powered laparoscopic staplers require very… Continue Reading
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Comparison of the Time Needed to Complete a Staple Firing Sequence between a Manual and Powered Laparoscopic Stapler
Donald R Peterson, PhD, MS, Drew Seils, MS, Tarek Tantawy, MS, Angela S Kueck, MD University of Connecticut Health Center The poor ergonomic design characteristics of the typical manual laparoscopic stapler pose a significant risk for operator errors. For example, the speed at which a user operates the instrument during staple firing may influence tip… Continue Reading
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The safety and efficacy of a new liver retractor for the performance of laparoscopic upper gastrointestinal surgery ?V a preclinical evaluation study
Philip Chiu, MD, Billy Leung, Stanley Sy, Cecilia Chan, Simon Wong, FRCSEd, Carmen Poon, PhD Department of Surgery, CUHK Jockey Club Minimally Invasive Surgical Skills Center, The Chinese University of Hong Kong ObjectivesThis is a preclinical study to evaluation the safety and effectiveness of a new laparoscopic retractor for liver retraction. The aim is to… Continue Reading
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Small Volume Instillation in Urinary Bladder Is as Accurate as the Standard Volume for Intra-Abdominal Pressure Measuring
Yanyong Thonhongsa, MD, Prompirun Wattanawiggid, MD, Panot Yimcharoen, MD, Apichart Ploysangwal, MD Department of Surgery, Bhumibol Adulyadej Hospital, Bangkok, Thailand Background: Intra-abdominal pressure (IAP) is one of most important physiologic monitoring in the patient at risk of abdominal compartment syndrome. Transvesical measurement of the IAP is the gold standard for indirect IAP measurement. The recent… Continue Reading
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Fls Tasks Can Be Used to Identify Ergonomic Differences Between Laparoscopic and Robotic Surgery
Ahmed M Zihni, MD, MPH, Ikechukwu Ohu, MS, Jaime A Cavallo, MD, MPHS, Jenny Ousley, BS, Sohyung Cho, PhD, Michael M Awad, MD, PhD Department of Surgery, Section of Minimally Invasive Surgery, Washington University School of Medicine, St. Louis, Missouri; Department of Industrial and Manufacturing Engineering, Southern Illinois University Edwardsville; Edwardsville, IL INTRODUCTION: It has… Continue Reading
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Evaluating Minimally Invasive Surgery (mis) Assessment Metrics
Sami AbuSneineh, PhD, Brent Seales, PhD University of Kentucky The emerging maturity of camera-based systems has the potential to transform solutions to problems in many different areas, including MIS. In this work we built a novel computer-vision based platform to study the problem of the automatic skills assessment of MIS trainees. This system is built… Continue Reading
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Single-incision laparoscopic cholecystectomy using hands-free retraction system, flexible port and pre-bending forceps
Nobumi Tagaya, PhD, Yawara Kubota, MD, Nana Makino, MD, Asami Suzuki, MD, Kosuke Hirano, MD, Kazuyuki Saito, MD, Takashi Okuyama, PhD, Shinichiro Koketsu, PhD, Emiko Takeshita, PhD, Hidemaro Yoshiba, PhD, Yoshitake Sugamata, PhD, Shinichi Sameshima, PhD, Masatoshi Oya, PhD Department of Surgery, Dokkyo Medical University Koshigaya Hospital Introduction: The introduction of new devices is mandatory… Continue Reading
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Plume Characteristics (Emission Direction, Types and Settlement Time) Affects Visual Field Obstruction Generated by Laparoscopic Ultrasonic Devices (LUD).
Fernando J Kim, MD, David Sehrt, Alexandre Pompeo, MD, Wilson Molina, MD Denver Health Medical Center Objective: To characterize laparoscopic ultrasonic device surgical plume emission direction, types (laminar or turbulent) and settlement time affecting visualization. Materials and Methods: The Harmonic ACE, Covidien Cordless Sonicision, Olympus SonoSurg and Thunderbeat were activated 15 -27 times/study using industry… Continue Reading
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Analysis of Surgeon Posture and Stress-Related Force Patterns during Laparoscopic Surgery
Oliver Varban, MD, Thomas Armstrong, PhD University of Michigan Health System INTRODUCTION: Prolonged static exertions during surgery can lead to stressful postures, musculoskeletal pain and fatigue. We used simulation to evaluate biomechanical stresses associated with laparoscopic surgery. METHODS: Static loads imposed by the weight of body segments were estimated for a range of typical laparoscopic… Continue Reading
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Application of the HyperEye Medical System for endoscopic low anterior resection
Michiya Kobayashi, MD, PhD, Takayuki Sato, MD, PhD, Takeki Sugimoto, MD, PhD, Ken Okamoto, MD, PhD, Daisuke Nakamura, Ken Dabanaka, MD, PhD, Tsutomu Namikawa, MD, PhD, Kazuhiro Hanazakki, MD, PhD Kochi Medical School INTRODUCTIONWe developed a new imaging system (HyperEye Medical System [HEMS]; MIZUHO, Tokyo, Japan) for the simultaneous capture of near-infrared (NIR) indocyanine green… Continue Reading
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Comparision of Single-site and Traditional Laparoscopic Access for Intracorporeal Suturing and Knotting Technique
Istvan Gal, MDPhD, Zoltan Szabo, PhD, Miklos Czobel, MD, Gyorgy Weber, MD, PhD Telki Privat Hospital, Telki Hungary, M.O.E.T. Institute, San Francisco, CA, USA,Department of Surgical Research and Technique,Semmelweis Medical School of Budapest, Hungarye Single-site laparoscopy is recently developed and evolving technique in minimally invasive surgery. Severe physical and ergonomic constrains for the surgeon are… Continue Reading
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Eightyeven cents slip-knot instead of endo-loop
I. Bulent Cetindag, MD, Abraham Sayon, Chad Gonczy, MD, Imran Hassan, MD Southern Illinois University School of Medicine Laparoscopic disposable instrument have been added to the cost of laparoscopic procedures. Safe and easily applicable modifications of these may help reduce cost. We have start using vicryl ties instead of endoloops by using this technique. Two… Continue Reading
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Driving experiment of an improved prototype hydraulic-driven capsule colonoscope
Kazuhiko Shinohara, MD, PhD Tokyo University of Technology , School of Health Sciences Background and Objective: To minimize discomfort and injury during colonoscope insertion, we developed a prototype hydraulic-driven, capsule-shaped colonoscope and a feasibility study of the hydraulic insertion of the colonoscope was performed. Initial experiments with the first prototype revealed that a weighted capsule… Continue Reading
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Preliminary Results of PET/MRI in Assessing Gastrointestinal Cancer: New Technology to Advance Our Staging Ability?
Sasan Partovi, MD, Deborah S Keller, MD, Raj Paspulati, MD, Rodney Ellis, MD, Brian Traughber, MD, Peter Faulhaber, MD, Conor P Delaney, MD, MCh, PhD University Hospitals-Case Medical Center Background: MRI and PET are excellent options for staging gastrointestinal malignancies. Hybrid PET/MRI is a novel option, with few scanners available in the US. PET/MRI leverages… Continue Reading
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