Does an Infrared Laparoscope bring better visual field under the bleeding situation?
Back ground: The bleeding during the laparoscopic surgery adds much stress to the surgeons. Our experiences of near-infrared (NR) laparoscope that used for sentinel lymphnodes detection inspired the possibility of better visualization under the bleeding situation. Therefore, we examined the visibility of NR scope on an experimental basis.Materials and Methods: NR scope (805}15nm: Olympus Corp.)… Continue Reading
- Type:
- Posters
Better Performance of Laparoscopic Simulator Tasks with High Definition Camera Technology: A Pilot Study
Background: The availability of a High Definition (HD) laparoscopic camera improves image quality, however whether this translates into improved performance compared to a standard camera (SD) is not known. We investigated whether performance in a laparoscopic simulator would be affected by the use of a HD camera.Methods: 5 subjects (2 surgical residents and 3 laparoscopic… Continue Reading
- Type:
- Posters
Minimal Thermal Effects of a Continuous Power Delivery System with Bipolar Sealing Capability As Measured By High Definition Thermography
Objective of the study: Evaluate the real time thermal footprint of a continuous power delivery technique with bipolar sealing technology as measured by high-definition thermography. Description of the methods: Thermography is the use of an infrared imaging camera to record the radiating heat in real time, as thermal energy is emitted from an object. In… Continue Reading
- Type:
- Posters
Eliminating Paradoxical Imaging During Laparoscopic Surgery in the Age of Head-Mounted Display
BACKGROUND: Complex laparoscopic tasks are nearly impossible to complete when the telescope is pointed toward the operator (paradoxical image). Attempts at image manipulation have been reported, but altered monitor displays may introduce even more confusion. The availability of high-quality, lightweight head-mounted displays (HMD) now allows individualization of the laparoscopic image. We sought to demonstrate that… Continue Reading
- Type:
- Posters
Deconstructing Operative Flow – a Focus on Anticipatory Movements
Introduction: Efficient instrument movement is a vital part of a well-coordinated operating environment, and is a reflection of optimized ergonomic and human factor issues. In order to make assessments of these movements, objective, reproducible metrics are needed. In this study, instrument flow analysis is utilized to characterize anticipatory movements of the operative team.Methods: Five laparoscopic… Continue Reading
The Patient as Instrument Stand – A Time-Motion Study of Sub-optimal Instrument Placement
Background: When not in use, instruments are sometimes placed on top of the patient’s body during laparoscopic procedures. Such instrument “hoarding” has been previously mentioned as a non-optimal practice. Ergonomic design of surgical workplaces may improve efficiency while maintaining safety. However, no studies have been carried out to describe where instruments are placed during surgery.… Continue Reading
- Type:
- Posters
A Comparison of Permanent and Nonpermanent Staple Line Buttressing Materials for Linear Staple Lines During Laparoscopic Roux-en-Y Gastric Bypass (lgbp)
Objective: This study analyzed our experience with 3 different buttressing materials for creating the gastric division during LGBP.Methods: From June 2001 to October 2006, 1451 consecutive patients undergoing LGBP had buttressing material used for the staple creation of the gastric pouch. Permanent bovine pericardial strips, Peristrips Dry® (PSD) was used in 926 cases, Seamguards® (SG),… Continue Reading
Optical Chest Tube Placement: A Feasability Study
Traditionally, chest tube placement has occurred as a blind technique, as such having inherent possibility for error. Given the advancement of optics and the evolution of trocar technologies we have developed a novel method for optically guided chest tube insertion. Using a standard 12mm dilating optical trocar and 0 degree 10mm lens we place chest… Continue Reading
- Type:
- Posters
Model of Portable Training Simulator, in Endoscopic Surgery
BACKGROUNGThe endoscopic Surgery demands surgical skill and hard task, after the popularización of this technique arose in the market several kind of training simulators, which every time are in different fashion, electronic, digital, expensive, that needs an installation space, multiple connections which specifically has like limitation destining a time for it and perhaps the submission… Continue Reading
- Type:
- Posters
Novel hands-free pointer improves instruction efficiency in laparoscopic surgery.
OBJECTIVE: To determine if a novel, hands-free, multi monitor, pointer improves instruction efficiency in a simulated laparoscopy environment.METHODS: Twenty arbitrary instruction points were selected on a picture of a partially dissected cholecystectomy within a laparoscopic trainer box. A single instructor guided twenty trainees to locate points with a laparoscopic instrument. Points were visible to the… Continue Reading
- Type:
- Posters
Porcine ex-vivo and in-vivo Vessel Sealing Experiments to compare LOTUS® and Ethicon® Ultrasonic Instruments with LigaSure® bipolar vessel sealing device
Introduction: To observe and compare the vessel-sealing ability of LOTUS and Ethicon ultrasonic shears with LigaSure bipolar device using a porcine model.Methods and Procedures:1. Porcine renal vessels of varying diameter were harvested from recently slaughtered animals and sealed/divided by one of the 3 devices.2. A midline laparotomy was performed on 2 anaesthetised pigs. Mesenteric, renal,… Continue Reading
- Type:
- Posters
A new flexible endoscopic suturing method with laparoscopic protection for safer full-thickness attachment to the gastro-intestinal tract
Background: There are some difficulties associated with placing multiple stitches or tissue anchors at flexible endoscopy in order to achieve long term attachment of devices within the gastrointestinal tract. Precision stitching of an object to the wall of the gut requires accurate penetration of the device attachment points, and knowledge that the anchor has been… Continue Reading
Using a Dynamic Training Environment to Assess Laparoscopic Skill
Current physical laparoscopic surgical simulators contain only static tasks, which do not develop the advanced hand-eye coordination skills needed to navigate the dynamic surgical environment. A dynamic minimally invasive training environment (DynaMITE) was developed to fill this need. Preliminary testing showed a potential for the device to improve the hand-eye coordination skills of even expert… Continue Reading
‘real-time\’ Measurement of Tissue Oxygenation During Gastrointestinal Stapling: Mucosal But Not Serosal Surface Ischemia Occurs and Is Not Influenced By Staple Size
Tension, tissue ischemia and technical error are known factors which can lead to anastomotic complications such as leak, stricture, and ulceration/bleeding. Currently surgeons evaluate tissue ischemia without benefit of any simple routine measurement technique to assess tissue viability. A new tissue surface probe (T-STAT microvascular tissue oximeter, Spectros Corporation, Portola Valley, California) provides continuous measurement… Continue Reading
Working with a pre-operative checklist in laparoscopic surgery, an initial study
Abstract Background: Major changes in endoscopic surgery have taken place in recent years. More and more, technical applications and complicated devices are introduced in the operation room. In previous studies, various preventable equipment related problems are reported. Potentially, this can influence the quality and safety of laparoscopic surgery. The goal of study is to find… Continue Reading