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International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS

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https://read.qxmd.com/read/30773791/robotic-assisted-repair-of-iatrogenic-common-bile-duct-injury-after-laparoscopic-cholecystectomy-surgical-technique-and-outcomes
#1
Marco Vito Marino, Antonello Mirabella, Domenico Guarrasi, Massimo Lupo, Andrzej Lech Komorowski
No abstract text is available yet for this article.
February 18, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30767360/feasibility-study-of-intraoperative-cone-beam-ct-navigation-for-benign-bone-tumor-surgery
#2
Thomas R F van Steenbergen, Ingrid C M van der Geest, Dennis Janssen, Maroeska M Rovers, Jurgen J Fütterer
BACKGROUND: Intraoperative cone-beam CT (CBCT) offers the advantage of navigation on the current anatomical situation and the possibility to take a control scan. We assessed the feasibility of using intraoperative CBCT for navigated intralesional curettage. METHODS: Nine benign bone tumor patients were studied. Feasibility was assessed by describing the workflow and indications for navigation, scoring CBCT image quality and registration accuracy, and measuring scan and navigation set-up times...
February 14, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30758130/evaluation-of-a-novel-elastic-registration-algorithm-for-spinal-imaging-data-a-pilot-clinical-study
#3
Ashkan Rashad, Max Heiland, Patrick Hiepe, Alireza Nasirpour, Carsten Rendenbach, Jens Keuchel, Marc Regier, Ahmed Al-Dam
BACKGROUND: Rigid image co-registration is an established technique that allows spatial aligning. However, rigid fusion is prone to deformation of the imaged anatomies. In this work, a novel fully automated elastic image registration method is evaluated. METHODS: Cervical CT and MRI data of ten patients were evaluated. The MRI was acquired with the patient in neutral, flexed and rotated head position. Vertebra-wise rigid fusions were performed to transfer bony landmarks for each vertebra from the CT to the MRI space serving as a reference...
February 13, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30746868/robotics-assisted-versus-conventional-manual-approaches-for-total-hip-arthroplasty-a-systematic-review-and-meta-analysis-of-comparative-studies
#4
REVIEW
Peng-Fei Han, Cheng-Long Chen, Zhi-Liang Zhang, Yi-Chen Han, Lei Wei, Peng-Cui Li, Xiao-Chun Wei
BACKGROUND: Several studies have compared robotics-assisted (RA) and conventional manual (CM) approaches for total hip arthroplasty (THA), but their results are controversial. METHODS: A literature search was conducted for controlled clinical trials (CCTs) comparing the clinical efficacy of the RA and CM approaches for THA and published between August 1998 and August 2018. The obtained data were analyzed using the statistical software Review manager 5.3. RESULTS: Fourteen articles were included in the meta-analysis, which revealed that the RA group had less intraoperative complications, better cup angle, and more cases of cup placement in the safe zone than the CM group...
February 12, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30737881/robotic-assisted-minimally-invasive-esophagectomy-versus-the-conventional-minimally-invasive-one-a-meta-analysis-and-systematic-review
#5
REVIEW
Dacheng Jin, Liang Yao, Jun Yu, Rong Liu, Tiankang Guo, Kehu Yang, Yunjiu Gou
BACKGROUND: Conventional video-assisted minimally invasive esophagectomy (MIE) is safe and associated with low rates of morbidity and mortality, but the two-dimensional monitor reduces eye-hand harmony and viewing yield. Robotic-assisted minimally invasive esophagectomy (RAMIE) with its virtual reality simulators offers a realistic three-dimensional environment that facilitates dissection in the narrow working space, but it is expensive and requires longer operative time. Therefore, the aim of this meta-analysis was to assess the safety and feasibility of RAMIE versus MIE in patients with esophageal cancer...
February 9, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30721570/a-model-based-bone-milling-state-identification-method-via-force-sensing-for-a-robotic-surgical-system
#6
Kais I Al-Abdullah, Chee Peng Lim, Zoran Najdovski, Wisam Yassin
BACKGROUND: This paper presents a model-based bone milling state identification method that provides intra-operative bone quality information during robotic bone milling. The method helps surgeons identify bone layer transitions during bone milling. METHODS: Based on a series of bone milling experiments with commercial artificial bones, an artificial neural network force model is developed to estimate the milling force of different bone densities as a function of the milling feed rate and spindle speed...
February 5, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30721556/preoperative-identification-of-the-initial-burr-hole-site-in-retrosigmoid-craniotomies-a-teaching-and-technical-note
#7
Chuan Zhou, Alexander I Evins, Andrea Boschi, Yinda Tang, Shiting Li, Lukasz Przepiorka, Shaan Sadhwani, Philip E Stieg, Tao Xu, Antonio Bernardo
BACKGROUND: When fashioning a retrosigmoid craniotomy, precise placement of the initial burr hole is crucial to avoid iatrogenic sinusal injury and to facilitate a corridor that allows for minimal cerebellar retraction. METHODS: 3D CT reconstructions of 16 cadaveric sides were used to identify and measure 3 discrete anatomical points. These 3 points and distances between them were plotted onto the surface of the skull using a digital caliper to identify the optimal burr hole location...
February 5, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30710466/first-experiences-with-the-airo%C3%A2-mobile-intraoperative-ct-scanner-in-acetabular-surgery-an-analysis-of-10-cases
#8
H Keil, N Beisemann, M Schnetzke, S Y Vetter, P A Grützner, J Franke
BACKGROUND: Being a proven method in trauma and spine surgery, intraoperative 3D imaging (CBCT) has intrinsic deficits in difficult anatomy and with artifacts due to metal implants. The purpose of this study was to evaluate the use of intraoperative computed tomography (iCT) in acetabular surgery. METHODS: 10 cases of acetabular fractures that were operated with intraoperative use of the mobile CT scanner Brainlab Airo® were analyzed. Data were compared to a historical group of 17 patients...
February 2, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30659758/towards-a-fully-robotic-surgery-performing-robotic-major-liver-resection-with-no-table-side-surgeon
#9
Po-Da Chen, Rey-Heng Hu, Jin-Tung Liang, Chiun-Sheng Huang, Yao-Ming Wu
BACKGROUND: Evidence has suggested that robotic system helps perform more major liver resections. However, the required table-side surgeon has remained a concern because of the uncertain performance and the incomplete control of console surgeon. METHODS: Data were reviewed for consecutive 333 robotic liver resections, of which 56 patients underwent left liver resection with the usual setting, and 35 with no table-side surgeon. RESULTS: No conversion was required in the setting with no table-side surgeon...
January 18, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30650473/share-control-of-surgery-robot-master-manipulator-guiding-tool-along-the-standard-path
#10
Lukasz Fracczak, Mateusz Szaniewski, Leszek Podsedkowski
Recently, Minimally Invasive Surgery (MIS) robotics enters the phase of autonomous operation. However, due to the high variability of the environment, conducting a fully autonomous surgery is still extremely difficult. This paper presents a share control system, the objective of which is to suggest the optimum path of tool guidance through the use of force on the master manipulator (hereinafter as master), meaning the surgeon's hand. Owing to this type of control, the surgeon has full control over the position of the tool the entire time and is supported by the system to better and faster guide the tool during surgery...
January 16, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30648783/pneumatically-driven-surgical-instrument-capable-of-estimating-translational-force-and-grasping-force
#11
Ryoken Miyazaki, Takahiro Kanno, Kenji Kawashima
BACKGROUND: In robot-assisted minimally invasive surgery, feedback as well as sensing of translational and grasping forces allows surgeons to manipulate the robots using an appropriate force. However, there have been limited reports on single instruments capable of sensing both forces (translational force and grasping force), with the exception of instruments with electronic sensors. METHODS: In this study, a pneumatically driven surgical instrument capable of estimating both translational and grasping forces is developed...
January 16, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30636179/the-feasibility-of-robotic-left-side-hepatectomy-with-comparison-of-laparoscopic-and-open-approach-consecutive-series-of-single-surgeon
#12
Seung Jae Lee, Jae Hoon Lee, Young-Joo Lee, Song Cheol Kim, Dae Wook Hwang, Ki Byung Song, Sang Hyun Shin, Jae Woo Kwon, Gui Suk Park, Ye Jong Park, Kwang-Min Park
BACKGROUND: Recent studies report safety and effectiveness of robotic hepatectomy. In present study, we describe our initial experiences with robotic hepatectomy, focusing on left-side procedures. METHODS: A retrospective review was conducted of 13,10, and 11 consecutive patients who underwent robotic, laparoscopic, and open left-side hepatectomy by the single surgeon. RESULTS: There were no significant differences in the estimated blood loss, application of Pringle maneuver, postoperative hospital stays, number of IV analgesic injections, or postoperative complications between the robotic and laparoscopic groups...
January 12, 2019: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30588729/model-predictive-controller-based-spatio-temporal-path-tracking-method-for-trans-humeral-prosthesese
#13
D G Kanishka Madusanka, R A R C Gopura, Y W R Amarasingh, G K I Mann
Trans-humeral prostheses are worn by trans-humeral amputees to replace the missing upper limb segment between shoulder and elbow. Prostheses should be able to function as a natural limb for the user to gain the full advantage of wearing a prosthesis. When performing reach-to-grasp and pointing motions by the upper limb, the hand is capable of adhering to a straight line path with a bell shaped velocity profile. This paper proposes a dynamic path tracking method for trans-humeral prostheses to gain the capability of adhering to a straight line path...
December 27, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30588772/the-musha-underactuated-hand-for-robot-aided-minimally-invasive-surgery
#14
Mario Selvaggio, Giuseppe Andrea Fontanelli, Vincenzo Romano Marrazzo, Umberto Bracale, Andrea Irace, Giovanni Bregio, Luigi Villani, Bruno Siciliano, Fanny Ficuciello
BACKGROUND: Keyhole surgery is characterized by loss of dexterity of surgeon's movements due to the limited workspace, non-intuitive motor skills of the surgical systems and loss of tactile sensation that may lead to tissues damage and bad execution of the tasks. METHODS: In this paper, a three-fingered underactuated miniature tool for robot-aided laparoscopic surgery is presented. The design is conceived to realize a closed-hand configuration allowing the insertion of the tool into the abdominal cavity through the trocar in one step, and to reach different grasping as well as pushing/holding configurations once in the cavity...
December 26, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30578741/robotic-transduodenal-ampullectomy-a-novel-minimally-invasive-approach-for-ampullary-neoplasms
#15
Jin Woo Lee, Sung Hoon Choi, Hong Jae Chon, Dae Jung Kim, Gwangil Kim, Chang Il Kwon, Kwang Hyun Ko
BACKGROUND: The adoption of minimally invasive surgery for transduodenal ampullectomy has been slow because of special characteristics and complexity of this procedure. METHODS: Six patients underwent robotic transduodenal ampullectomy. We employed novel methods to facilitate exposure of the ampulla. RESULTS: All patients completed robotic transduodenal ampullectomy, but 1 patient was immediately converted to robotic pancreaticoduodenectomy because of presence of invasive carcinoma on frozen biopsy...
December 22, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30556944/geometric-calibration-of-markerless-optical-surgical-navigation-system
#16
Qinyong Lin, Ken Cai, Rongqian Yang, Weihu Xiao, Jinhua Huang, Yinwei Zhan, Jian Zhuang
BACKGROUND: Patient-to-image registration is required for image-guided surgical navigation, but marker-based registration is time consuming and subject to manual error. Markerless registration is an alternative solution to avoid these issues. METHODS: This study designs a calibration board and proposes a geometric calibration method to calibrate the near infrared tracking and structured light components of the proposed optical surgical navigation system simultaneously...
December 17, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30548164/vector-field-analysis-for-surface-registration-in-computer-assisted-ent-surgery
#17
Georgi Diakov, Wolfgang Freysinger
BACKGROUND: Manual paired-point registration for navigated ENT-surgery is prone to human errors; automatic surface registration is often caught in local minima. METHODS: Anatomical features of the human occiput are integrated into an algorithm for surface registration. A vector force field is defined between the patient and operating room datasets; registration is facilitated through gradient-based vector field analysis optimization of an energy function. The method is validated exemplarily on patient surface data provided by a mechanically positioned A-mode ultrasound sensor...
December 7, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30500105/reasons-for-open-conversion-in-robotic-liver-surgery-a-systematic-review-with-pooled-analysis-of-more-than-1000-patients
#18
REVIEW
F Gheza, S Esposito, S Gruessner, A Mangano, E Fernandes, P C Giulianotti
BACKGROUND: Conversion to open during minimally invasive liver resection has a high rate. To identify the reasons to convert could help in defining a strategy to decrease the event "conversion". METHODS: A systematic review has been performed. Our large series of robotic hepatic resections was analyzed and included in the review. RESULTS: 50 papers were selected and carefully evaluated in full text. Twenty-nine were ultimately used for analysis, including all published robotic liver resections...
November 30, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30485641/intraoperative-ultrasound-for-improved-3d-tumour-reconstruction-in-robot-assisted-surgery-an-evaluation-of-feedback-modalities
#19
Mafalda Camara, Erik Mayer, Ara Darzi, Philip Pratt
BACKGROUND: Intraoperative ultrasound scanning induces deformation on the tissue in the absence of a feedback modality, which results in a 3D tumour reconstruction that is not directly representative of real anatomy. METHODS: A biomechanical model with different feedback modalities (haptic, visual or auditory) was implemented in a simulation environment. A user study with 20 clinicians was performed to assess which modality resulted in the 3D tumour volume reconstruction that most resembled the reference configuration from the respective CT scans...
November 28, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://read.qxmd.com/read/30474912/a-comprehensive-multimodality-heart-motion-prediction-algorithm-for-robotic-assisted-beating-heart-surgery
#20
Saeed Mansouri, Farzam Farahmand, Gholamreza Vossoughi, Alireza Alizadeh Ghavidel
BACKGROUND: An essential requirement for performing robotic assisted surgery on a freely beating heart is a prediction algorithm which can estimate the future heart trajectory. METHOD: Heart motion, respiratory volume (RV) and electrocardiogram (ECG) signal were measured from two dogs during thoracotomy surgery. A comprehensive multimodality prediction algorithm was developed, based on the multivariate autoregressive model, to incorporate the heart trajectory and cardiorespiratory data, with multiple inherent measurement rates, explicitly...
November 26, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
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