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International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS

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https://www.readbyqxmd.com/read/29790253/robotic-left-colectomy-with-complete-mesocolectomy-for-splenic-flexure-and-descending-colon-cancer-compared-with-a-laparoscopic-procedure
#1
Jin Cheon Kim, Jong Lyul Lee, Yong Sik Yoon, Chan Wook Kim, In Ja Park, Seok-Byeong Lim
BACKGROUND: Its relatively low incidence and its surgical complexity mean that a standardized technique for left colectomy has not yet been established for splenic flexure and descending colon cancer (SF-DCC). METHODS: Seventy-three patients (robot-assisted left colectomy with complete mesocolectomy [R-LCCM], n = 20; laparoscopic left colectomy with complete mesocolectomy [L-LCCM], n = 53) with SF-DCC were enrolled at the Asan Medical Center (Seoul, Korea). RESULTS: R-LCCM conveniently enables dexterous dissection for the multi-directional approaches during left mesocolic mobilization...
May 23, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29786165/comparative-study-of-1-year-clinical-and-radiological-outcomes-using-robot-assisted-pedicle-screw-fixation-and-freehand-technique-in-posterior-lumbar-interbody-fusion-a-prospective-randomized-controlled-trial
#2
Ho-Joong Kim, Kyoung-Tak Kang, Heoung-Jae Chun, Ji Sup Hwang, Bong-Soon Chang, Choon-Ki Lee, Jin S Yeom
BACKGROUND: The purpose of this study was to compare the clinical outcome of surgery using robot-assisted posterior interbody fusion with that using freehand posterior interbody fusion in patients with degenerative spinal disease. METHODS: 78 participants with degenerative spinal disease were randomly allocated (1:1) to the minimally invasive (MIS), posterior lumbar interbody fusion (Robot-PLIF) or conventional, freehand, open-approach, posterior lumbar interbody fusion (Freehand-PLIF)...
May 22, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29761842/design-and-performance-evaluation-of-real-time-endovascular-interventional-surgical-robotic-system-with-high-accuracy
#3
Kundong Wang, Bing Chen, Qingsheng Lu, Hongbing Li, Manhua Liu, Yu Shen, Zhuoyan Xu
BACKGROUND: Endovascular interventional surgery (EIS) is performed under a high radiation environment at the sacrifice of surgeons' health. This paper introduces a novel endovascular interventional surgical robot that aims to reduce radiation to surgeons and physical stress imposed by lead aprons during fluoroscopic X-ray guided catheter intervention. METHODS: The unique mechanical structure allowed the surgeon to manipulate the axial and radial motion of the catheter and guide wire...
May 15, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29761618/robot-assisted-total-hip-arthroplasty-clinical-outcomes-and-complication-rate
#4
Itay Perets, John P Walsh, Mary R Close, Brian H Mu, Leslie C Yuen, Benjamin G Domb
BACKGROUND: The purpose of this study was to report minimum 2-year outcomes and complications for robotic-arm-assisted total hip arthroplasty (THA). METHODS: Data were prospectively collected and retrospectively reviewed between June 2011 and April 2014. Inclusion criteria were primary robotic-arm-assisted THAs treating idiopathic osteoarthritis with ≥ 2-year follow-up. Demographics, operating time, complications, 2-year outcome scores and satisfaction, and subsequent surgeries were recorded...
May 15, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29749103/a-robotic-suture-passing-device-for-possible-use-in-sils-and-notes
#5
Muhammad Umar Farooq, Woo Young Kim, Seong Young Ko
BACKGROUND: Natural orifice transluminal endoscopic (NOTES) and single incisional laparoscopic surgeries (SILS) have been gaining importance over the last two decades. Due to improper instrumentation, small workspace and the imperceptibility of body structures, suturing and knot-tying are difficult to perform in both. METHODS: An intracorporeal suture-passing device with two manipulator arms is proposed that automatically passes the suture around ducts of up to 7 mm diameter, without additional manipulation of any other surgical instrument, and it can be deployed through a trocar of 3 mm inner diameter...
May 11, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29749069/novel-navigation-system-by-augmented-reality-technology-using-a-tablet-pc-for-hepatobiliary-and-pancreatic-surgery
#6
Jungo Yasuda, Tomoyoshi Okamoto, Shinji Onda, Yasuro Futagawa, Katsuhiko Yanaga, Naoki Suzuki, Asaki Hattori
BACKGROUND: We previously developed an image-guided navigation system (IG-NS) using augmented reality technology for hepatobiliary and pancreatic (HBP) surgery. This system superimposed a 3D model onto a stereoscope-captured surgical field (i.e., the scope method). Unfortunately, this method requires an expensive stereoscope, surgeons have to shift their eyesight away from the surgical field, and the method has poor controllability. Therefore, an IG-NS using a tablet PC (i.e., the tablet method) was developed...
May 11, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29745464/robotic-distal-pancreatectomy-comparison-of-spleen-preservation-by-the-warshaw-technique-and-splenectomy
#7
Shin-E Wang, Bor-Uei Shyr, Shih-Chin Chen, Yi-Ming Shyr
BACKGROUND: Outcomes after robotic distal pancreatectomy with spleen preservation (RDP-SP) by the Warshaw technique and with splenectomy (RDP-S) were compared. METHODS: All the data for patients undergoing robotic distal pancreatectomy (RDP) were prospectively collected. RESULTS: A total of 66 patients were included, with 33 in each group. The console time was significantly shorter in the RDP-SP group than in the RDP-S group (165 minutes vs...
May 10, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29745060/robotic-assisted-approach-to-median-arcuate-ligament-syndrome-with-left-gastric-artery-originating-directly-from-the-aorta-report-of-a-case-and-review-of-the-current-mini-invasive-treatment-modalities
#8
REVIEW
Mauro Podda, Gian Pietro Gusai, Francesco Balestra, Giulio Argenio, Fabio Pulighe, Salomone Di Saverio, Carlo De Nisco
BACKGROUND: Median Arcuate Ligament Syndrome (MALS) is a rare clinical condition. METHODS: Through the analysis of a case report and a review of the international literature, we examined whether robotic and laparoscopic MAL release are safe and feasible. RESULTS: Of 354 and 19 patients who underwent laparoscopic MAL release (LMALr) and robotic-assisted MAL release (RMALr), respectively, conversion to open surgery occurred in 6.8% of cases following LMALr, whereas no case of conversion was reported following RMALr...
May 9, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29708640/augmented-reality-for-the-surgeon-systematic-review
#9
REVIEW
Jang W Yoon, Robert E Chen, Esther J Kim, Oluwaseun O Akinduro, Panagiotis Kerezoudis, Phillip K Han, Phong Si, William D Freeman, Roberto J Diaz, Ricardo J Komotar, Stephen M Pirris, Benjamin L Brown, Mohamad Bydon, Michael Y Wang, Robert E Wharen, Alfredo Quinones-Hinojosa
INTRODUCTION: Since the introduction of wearable head-up displays, there has been much interest in the surgical community adapting this technology into routine surgical practice. METHODS: We used the keywords augmented reality OR wearable device OR head-up display AND surgery using PubMed, EBSCO, IEEE and SCOPUS databases. After exclusions, 74 published articles that evaluated the utility of wearable head-up displays in surgical settings were included in our review...
April 30, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29700926/robot-assisted-aortic-valve-surgery-state-of-the-art-and-challenges-for-the-future
#10
REVIEW
Husam H Balkhy, Clifton T P Lewis, Hiroto Kitahara
Robotic cardiac surgery was FDA-approved in 2002 and since then several different procedures have been performed to facilitate a truly minimally invasive approach. The use of robotics in aortic valve surgery, however, is still in its infancy. In this article, we report our clinical experience and chronological development with robot-assisted aortic valve surgery. This includes a description of how robotic assistance was gradually integrated during right mini-thoracotomy aortic valve replacement, a series of cases in which the robot was docked for parts of the procedure, a single case of a totally endoscopic robot-assisted aortic valve replacement with a stentless valve, and three cases of aortic valve papillary fibroelastoma resections...
April 27, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29687573/is-robotic-beating-heart-totally-endoscopic-coronary-artery-bypass-feasible-for-bmi-35-morbidly-obese-patients
#11
Hiroto Kitahara, Brooke Patel, Mackenzie McCrorey, Sarah Nisivaco, Husam H Balkhy
BACKGROUND: We investigated the outcomes of morbidly obese patients after robotic beating heart totally endoscopic coronary artery bypass (BH-TECAB). METHODS: This is a retrospective single center study. From July 2013 to December 2016, the outcomes of patients undergoing BH-TECAB were reviewed. RESULTS: A total of 234 patients underwent BH-TECAB (172 male, mean age 65.2 years). There were 43 morbidly obese patients defined as body mass index (BMI) greater than 35, and 191 non-morbidly obese patients...
April 23, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29603587/influence-of-the-quality-of-intraoperative-fluoroscopic-images-on-the-spatial-positioning-accuracy-of-a-caos-system
#12
Junqiang Wang, Yu Wang, Gang Zhu, Xiangqian Chen, Xiangrui Zhao, Huiting Qiao, Yubo Fan
BACKGROUND: Spatial positioning accuracy is a key issue in a computer-assisted orthopaedic surgery (CAOS) system. Since intraoperative fluoroscopic images are one of the most important input data to the CAOS system, the quality of these images should have a significant influence on the accuracy of the CAOS system. But the regularities and mechanism of the influence of the quality of intraoperative images on the accuracy of a CAOS system have yet to be studied. METHODS: Two typical spatial positioning methods - a C-arm calibration-based method and a bi-planar positioning method - are used to study the influence of different image quality parameters, such as resolution, distortion, contrast and signal-to-noise ratio, on positioning accuracy...
March 30, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29603572/analysis-and-optimization-of-bone-machining-for-robotic-orthopedic-surgeries
#13
Derek J Pell, Masakazu Soshi
BACKGROUND: Robot-assisted joint replacement surgery is becoming increasingly more common worldwide, therefore it is important to characterize and improve the bone-cutting mechanics of surgical tools. METHODS: Linear coefficients relating cutting force and chip thickness were derived for a surgical spindle. The cutting coefficients were integrated into an analytical simulation which calculated cutting forces, torque, and power consumption. An optimization experiment was performed...
March 30, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29603558/flip-avoiding-interpolating-surface-registration-for-skull-reconstruction
#14
Shudong Xie, Wee Kheng Leow, Hanjing Lee, Thiam Chye Lim
Skull reconstruction is an important and challenging task in craniofacial surgery planning, forensic investigation and anthropological studies. Existing methods typically reconstruct approximating surfaces that regard corresponding points on the target skull as soft constraints, thus incurring non-zero error even for non-defective parts and high overall reconstruction error. This paper proposes a novel geometric reconstruction method that non-rigidly registers an interpolating reference surface that regards corresponding target points as hard constraints, thus achieving low reconstruction error...
March 30, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29603555/a-new-approach-for-safe-planning-transfer-using-semi-automatically-adjustable-instrument-guides
#15
Sabine Jeromin, Manuel Vossel, Christian Rauchholz, Sylvain Billet, Christian-Andreas Mueller, Stéphane Lavallée, Klaus Radermacher, Mathias de la Fuente
Accurate planning transfer is a prerequisite for successful operative care. For different applications, diverse computer-assisted systems have been developed and clinically evaluated. This paper presents the implementation and evaluation of a new modular concept. The approach is based on passive application specific kinematics that are semi-automatically adjusted using a universal hand-held computer controlled Smart Screw Driver. The system was realized for pedicle screw instrumentation and evaluated according to IEC 60601-1-6 (usability engineering)...
March 30, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29577580/development-of-a-new-3-dof-parallel-manipulator-for-minimally-invasive-surgery
#16
Alaa Khalifa, Mohamed Fanni, Abdelfatah M Mohamed, Tomoyuki Miyashita
This article proposes a novel dexterous endoscopic parallel manipulator for minimally invasive surgery. The proposed manipulator has 3 degrees of freedom (3-DOF), which consist of two rotational DOFs and one translational DOF (2R1T DOFs). The manipulator consists of 3 limbs exhibiting identical kinematic structure. Each limb contains an active prismatic joint followed by 2 consecutive passive universal joints. The proposed manipulator has a unique arrangement of its joints' axes. This unique arrangement permits large bending angles, ±90° in any direction, and a workspace almost free from interior singularities...
March 26, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29575601/three-dimensional-augmented-reality-surgical-navigation-with-hybrid-optical-and-electromagnetic-tracking-for-distal-intramedullary-nail-interlocking
#17
Longfei Ma, Zhe Zhao, Boyu Zhang, Weipeng Jiang, Ligong Fu, Xinran Zhang, Hongen Liao
BACKGROUND: Intramedullary nail (IMN) fixation improves functional outcomes for the diaphyseal fractures of long bones. However, locking the distal holes of the IMN is challenging. Although several navigation methods have been proposed, an intuitive, radiation-free and accurate navigation method that does not suffer from problems of hand-eye coordination has not yet been described. METHODS: This paper proposes an augmented reality (AR) surgical navigation method with hybrid optical and electromagnetic (EM) tracking for distal IMN interlocking...
March 25, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29573179/towards-robot-assisted-anchor-deployment-in-beating-heart-mitral-valve-surgery
#18
Lingbo Cheng, Mojtaba Sharifi, Mahdi Tavakoli
BACKGROUND: Beating-heart intracardiac surgery promises significant benefits for patients compared with cardiopulmonary bypass based procedures. However, the fast motions of the heart introduce serious challenges for surgeons. METHODS: In this work, a new impedance-controlled master-slave telerobotic system is developed to help perform anchor deployment for mitral valve annuloplasty under the guidance of live ultrasound images of the heart. The proposed bilateral teleoperation system can both reflect the non-oscillatory portion of slave-heart tissue interaction force on the surgeon's hand as haptic feedback and implement rapid compensation for the beating heart's motion...
March 24, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29570936/snake-like-surgical-forceps-for-robot-assisted-minimally-invasive-surgery
#19
Xingze Jin, Ji Zhao, Mei Feng, Liangtian Hao, Qiumeng Li
BACKGROUND: Surgical instruments greatly impact the performance of robot-assisted minimally invasive surgery (RMIS) because they operate on tissues. METHODS: A snake-like surgical instrument, designed with 4 degrees of freedom (DOFs), is proposed for RMIS. The DOFs are as follows: opening and closing motions of the forceps, rotation of the forceps and bi-directional bending of the instrument. The performance of the instrument was evaluated using a prototype in vitro...
March 23, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29508506/beating-heart-registration-for-organ-mounted-robots
#20
Nathan A Wood, David Schwartzman, Michael J Passineau, Robert J Moraca, Marco A Zenati, Cameron N Riviere
BACKGROUND: Organ-mounted robots address the problem of beating-heart surgery by adhering to the heart, passively providing a platform that approaches zero relative motion. Because of the quasi-periodic deformation of the heart due to heartbeat and respiration, registration must address not only spatial registration but also temporal registration. METHODS: Motion data were collected in the porcine model in vivo (N = 6). Fourier series models of heart motion were developed...
March 6, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
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