The International Journal of Medical Robotics and Computer Assisted Surgery
BackgroundVisualization during minimally invasive bypass surgery on the beating heart can be enhanced by using a robotic‐guided endoscope and visual servoing from the endoscopic images. In order to achieve these objectives, this work has focused on developing and testing algorithms for accurate, robust and real‐time motion tracking of features on the beating heart, using marker‐less approaches and...
BackgroundA population‐based case‐control study was conducted in order to investigate the advantages of robot‐assisted gastric resection (RGR) for gastric cancer as opposed to traditional open gastrectomy (OG).
MethodsData were collected in two prospectively maintained databases on patients who underwent a D2 gastrectomy with curative intent for primary gastric adenocarcinoma. All (n = 29) the first...
BackgroundRobot‐assisted surgery (RAS) systems help surgeons performing accurate operations, but a number of drawbacks render them not yet suitable for clinical theaters and procedures. In this paper, a novel vision guided robotic system is proposed to facilitate navigation procedures.
MethodsA vision guided hybrid robotic system is designed, consisting of a passive serial arm and an active parallel...
BackgroundRobotic‐assisted laparoscopic prostatectomy (RALP) is usually performed in steep Trendelenburg position, which can be associated with cardiac impairment due to positioning and capnoperitoneum. This study investigated haemodynamic consequences and cardiac function in this type of surgery and evaluated the hypothesis that steep Trendelenburg position and capnoperitoneum results in haemodynamic...
BackgroundThe considerable variation in anatomical abnormalities of hip joints associated with different types of developmental dysplasia of hip (DDH) makes reconstruction in total hip arthroplasty (THA) difficult. It is desirable to create patient‐specific designs for THA procedures. In the cases of adult single DDH, an accuracy‐improved method has been developed for acetabular cup prosthesis implantation...
BackgroundCentral venous catheterization is a procedure in which a doctor inserts a catheter into a patient's vein for transfusions. Risks of this procedure include bleeding from the puncture of blood vessels and pneumothorax caused by pleural puncture. To avoid these and other risks, physicians are required to ensure that the needle is inserted securely and that it stops within the vein.
MethodsWe...
BackgroundB‐mode ultrasound imaging has the potential to replace conventional percutaneous digitization of bony landmarks in navigated total hip arthroplasties (THAs). For THAs operated in the lateral position, only one side of the pelvis is freely accessible. This paper presents a new ultrasound to statistical shape model (SSM) registration method for operating the pelvis in the lateral position,...
BackgroundDue to differences in corneal grafting microsurgery between manual and robotic suturing, new challenges have arisen in testing the insertion force and torque of corneal tissue acting on suturing needles in order to guarantee successful completion of surgical procedures.
MethodsIn order to measure the force during the insertion operation, from the needle entering the cornea through the entry...
BackgroundWith increased use of robotic surgery in specialties including urology, development of training methods has also intensified. However, current approaches lack the ability to discriminate between operational and surgical skills.
MethodsAn automated recording system was used to longitudinally (monthly) acquire instrument motion/telemetry and video for four basic surgical skills – suturing,...
BackgroundIn recent years the number of reconstructive procedures for pelvic organ prolapse (POP) through robotic surgery has constantly increased. This paper describes the technical aspects of robotic hysteropromontopexy using the da Vinci surgical system.
MethodsTwo consecutive 35‐year‐old patients with POP, who wished to preserve the uterus, underwent hysteropromontopexy by robotic surgery.
ResultsBoth...
BackgroundLong‐bone fractures are very common in trauma centers. The conventional Arbeitsgemeindschaft fur Osteosynthesefragen (AO) technique contributes to most fracture healing problems, and external fixation technology also has several disadvantages, so new techniques are being explored.
MethodA novel hexapod computer‐assisted fracture reduction system based on a 3D‐CT image reconstruction process...
BackgroundRobot‐assisted systems have been widely used in minimally invasive surgery (MIS) practice, and with them the precision and accuracy of surgical procedures can be significantly improved. Promoting the development of robot technology in MIS will improve robot performance and help in tackling problems from complex surgical procedures.
MethodsA medical robot system with a new mechanism for MIS...
BackgroundThe feasibility, safety and outcomes of robotic presacral neurectomy were evaluated.
MethodsA retrospective analysis was performed of 33 patients with midline chronic pelvic pain, who underwent robotic presacral neurectomy. Data were collected during the period March 2004–March 2010.
ResultsAll patients underwent robotic presacral neurectomy and additional robotic procedures. Mean operating...
BackgroundHeartLander is a miniature mobile robot designed to navigate over the epicardium of the beating heart for minimally invasive therapy. This paper presents a technique to decrease slippage and improve locomotion efficiency by synchronizing the locomotion with the intrapericardial pressure variations of the respiration and heartbeat cycles.
MethodsRespiratory and heartbeat phases were detected...
BackgroundMinimally invasive surgery (MIS) robots are commonly used in hospitals and medical centres. However, currently available robotic systems are very complicated and huge, greatly raising system costs and the requirements of operating rooms. These disadvantages have become the major impediments to the expansion of MIS robots.
MethodsAn integrated MIS robotic system is proposed based on the analysis...
BackgroundBrain biopsies (BB) and depth electrode placements (DEP) are increasingly performed using frameless stereotactic targeting devices. This paper is intended to provide a comprehensive review of the technical features, targeting errors and clinical results.
MethodsA PubMed literature search from 1995–2010 was performed.
Results(A) Modified stereotactic arcs, (B) arm‐based devices with and without...
BackgroundCurrent teleoperated robot‐assisted minimally invasive surgical systems do not take full advantage of the potential performance enhancements offered by various forms of haptic feedback to the surgeon. Direct and graphical haptic feedback systems can be integrated with vision and robot control systems in order to provide haptic feedback to improve safety and tissue mechanical property identification...
BackgroundThe robot‐assisted laparoscopic approach for radical prostatectomy (RARP) is being performed increasingly worldwide to treat localized prostate cancer (PCa). The aim of this study was to compare the learning curves of two surgeons with different surgical experiences.
MethodsA prospective collection of peri‐operative data was made: age, body mass index, PSA, clinical stage, biopsy Gleason...
BackgroundUsing oral implantology software and transferring the preoperative planning into a stereolithographic model, prosthodontists can produce the related surgical guide. This procedure has some disadvantages: bone‐supported stent invasiveness, lack of references due to scattering and non‐negligible stereolithography cost. An alternative solution is presented that provides an ideal surgical stent...