AIMC Topic: Catheters

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Automated catheter tip repositioning for intra-cardiac echocardiography.

International journal of computer assisted radiology and surgery Apr 25, 2022
PURPOSE: Intra-Cardiac Echocardiography (ICE) is a powerful imaging modality for guiding cardiac electrophysiology and structural heart interventions. ICE provides real-time observation of anatomy and devices, while enabling direct monitoring of pote...
Animals Heart Punctures Catheters Echocardiography Robotics
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Human colorectal cancer tissue assessment using optical coherence tomography catheter and deep learning.

Journal of biophotonics Feb 28, 2022
Optical coherence tomography (OCT) can differentiate normal colonic mucosa from neoplasia, potentially offering a new mechanism of endoscopic tissue assessment and biopsy targeting, with a high optical resolution and an imaging depth of ~1 mm. Recent...
Humans Neural Networks, Computer Colorectal Neoplasms Catheters Deep Learning Tomography, Optical Coherence
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The challenges facing deep learning-based catheter localization for ultrasound guided high-dose-rate prostate brachytherapy.

Medical physics Feb 25, 2022
BACKGROUND: Automated catheter localization for ultrasound guided high-dose-rate prostate brachytherapy faces challenges relating to imaging noise and artifacts. To date, catheter reconstruction during the clinical procedure is performed manually. De...
Radiotherapy Dosage Catheters Reproducibility of Results Humans Prostatic Neoplasms Prostate Deep Learning Male Retrospective Studies Ultrasonography, Interventional Brachytherapy
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A technical guide to robotic catheter angiography with the Corindus CorPath GRX system.

Journal of neurointerventional surgery Feb 15, 2022
Robotic catheter angiography is an emerging technology with the opportunity to increase procedural precision and decrease occupational hazards.1-5 In this video, we present our initial experiences with the CorPath GRX Robotic System (Corindus, a Seim...
Robotics Coronary Angiography Robotic Surgical Procedures Humans Treatment Outcome Stents Catheters
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Screening of factors influencing catheter rotation of a vascular interventional surgical robot using design of experiment approach.

Medical engineering & physics Feb 7, 2022
Over the past decades, Vascular Interventional Surgery Robots (VISR) have been developed to address the risks associated with X-rays used in minimally invasive vascular surgery procedures. Manipulation of over-the-wire catheters is necessary to perfo...
Robotics Minimally Invasive Surgical Procedures Catheters Vascular Surgical Procedures Rotation
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Weakly-supervised learning for catheter segmentation in 3D frustum ultrasound.

Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society Jan 29, 2022
Accurate and efficient catheter segmentation in 3D ultrasound (US) is essential for ultrasound-guided cardiac interventions. State-of-the-art segmentation algorithms, based on convolutional neural networks (CNNs), suffer from high computational cost ...
Image Processing, Computer-Assisted Supervised Machine Learning Catheters Neural Networks, Computer Ultrasonography
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Deep-learning-assisted algorithm for catheter reconstruction during MR-only gynecological interstitial brachytherapy.

Journal of applied clinical medical physics Dec 10, 2021
Magnetic resonance imaging (MRI) offers excellent soft-tissue contrast enabling the contouring of targets and organs at risk during gynecological interstitial brachytherapy procedure. Despite its advantage, one of the main obstacles preventing a tran...
Magnetic Resonance Imaging Radiotherapy Planning, Computer-Assisted Humans Radiotherapy Dosage Brachytherapy Algorithms Catheters Deep Learning
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Thermoset Shape Memory Polymer Variable Stiffness 4D Robotic Catheters.

Advanced science (Weinheim, Baden-Wurttemberg, Germany) Oct 31, 2021
Variable stiffness catheters are typically composed of an encapsulated core. The core is usually composed of a low melting point alloy (LMPA) or a thermoplastic polymer (TP). In both cases, there is a need to encapsulate the core with an elastic mate...
Robotics Equipment Design Humans Catheters Smart Materials
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Catheter position prediction using deep-learning-based multi-atlas registration for high-dose rate prostate brachytherapy.

Medical physics Sep 18, 2021
PURPOSE: High-dose-rate (HDR) prostate brachytherapy involves treatment catheter placement, which is currently empirical and physician dependent. The lack of proper catheter placement guidance during the procedure has left the physicians to rely on a...
Radiotherapy Dosage Catheters Humans Prostate Retrospective Studies Deep Learning Radiotherapy Planning, Computer-Assisted Male Prostatic Neoplasms Brachytherapy
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Ferromagnetic soft catheter robots for minimally invasive bioprinting.

Nature communications Aug 20, 2021
In vivo bioprinting has recently emerged as a direct fabrication technique to create artificial tissues and medical devices on target sites within the body, enabling advanced clinical strategies. However, existing in vivo bioprinting methods are ofte...
Elasticity Rats Viscosity Rats, Sprague-Dawley Magnets Catheters Cell Line Hydrogels Animals Electric Conductivity Robotics Liver Bioprinting Swine Humans Tomography, X-Ray Computed
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