AIMC Topic: Needles

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Enhancement of instrumented ultrasonic tracking images using deep learning.

International journal of computer assisted radiology and surgery Sep 3, 2022
PURPOSE: Instrumented ultrasonic tracking provides needle localisation during ultrasound-guided minimally invasive percutaneous procedures. Here, a post-processing framework based on a convolutional neural network (CNN) is proposed to improve the spa...
Neural Networks, Computer Animals Sheep Ultrasonics Needles Deep Learning Ultrasonography
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Magnetically actuated gearbox for the wireless control of millimeter-scale robots.

Science robotics Aug 31, 2022
The limited force or torque outputs of miniature magnetic actuators constrain the locomotion performances and functionalities of magnetic millimeter-scale robots. Here, we present a magnetically actuated gearbox with a maximum size of 3 millimeters f...
Robotics Needles Equipment Design Locomotion Torque
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Phantom and Animal Study of a Robot-Assisted, CT-Guided Targeting System using Image-Only Navigation for Stereotactic Needle Insertion without Positional Sensors.

Journal of vascular and interventional radiology : JVIR Aug 12, 2022
PURPOSE: To evaluate the feasibility and accuracy of a robotic system to integrate and map computed tomography (CT) and robotic coordinates, followed by automatic trajectory execution by a robotic arm. The system was hypothesized to achieve a targeti...
Needles Phantoms, Imaging Tomography, X-Ray Computed Animals Imaging, Three-Dimensional Robotics Swine
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Machine Learning-Enabled Prediction of 3D-Printed Microneedle Features.

Biosensors Jul 6, 2022
Microneedles (MNs) introduced a novel injection alternative to conventional needles, offering a decreased administration pain and phobia along with more efficient transdermal and intradermal drug delivery/sample collecting. 3D printing methods have e...
Artificial Intelligence Machine Learning Administration, Cutaneous Needles Drug Delivery Systems Printing, Three-Dimensional
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Needle path planning in semiautonomous and teleoperated robot-assisted epidural anaesthesia procedure: A proof of concept.

The international journal of medical robotics + computer assisted surgery : MRCAS Jun 29, 2022
BACKGROUND: Epidural anaesthesia is a Percutaneous Procedure (PP) which plays a crucial role in surgical procedures, where accurate needle insertion is still challenging. The objective of this work is to present a Tuohy needle path planning, which al...
Needles Motion Anesthesia, Epidural Humans Robotics
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An admittance-controlled amplified force tracking scheme for collaborative lumbar puncture surgical robot system.

The international journal of medical robotics + computer assisted surgery : MRCAS Jun 27, 2022
BACKGROUND: The accurate sensing and display of the delicate needle-tissue interaction force to the operator is desirable for needle insertion procedures. It not only plays a significant role in the surgical treatment effect, but also has a great sig...
Needles Spinal Puncture Humans Surgery, Computer-Assisted Motion Robotics
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Epidural anesthesia needle guidance by forward-view endoscopic optical coherence tomography and deep learning.

Scientific reports May 31, 2022
Epidural anesthesia requires injection of anesthetic into the epidural space in the spine. Accurate placement of the epidural needle is a major challenge. To address this, we developed a forward-view endoscopic optical coherence tomography (OCT) syst...
Deep Learning Tomography, Optical Coherence Needles Epidural Space Anesthesia, Epidural Animals Swine
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Starting CT-guided robotic interventional oncology at a UK centre.

The British journal of radiology Mar 21, 2022
OBJECTIVE: A commercially available CT-guided robot offers enhanced abilities in planning, targeting, and confirming accurate needle placement. In this short communication, we describe our first UK experience of robotic interventional oncology proced...
Humans Tomography, X-Ray Computed Male Needles Aged Robotic Surgical Procedures Middle Aged Adult United Kingdom Robotics
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Robotic assistance for percutaneous needle insertion in the kidney: preclinical proof on a swine animal model.

European radiology experimental Mar 8, 2022
BACKGROUND: We evaluated the accuracy, safety, and feasibility of a computed tomography (CT)-guided robotic assistance system for percutaneous needle placement in the kidney.
Swine Kidney Robotics Animals Robotic Surgical Procedures Disease Models, Animal Needles Phantoms, Imaging
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Force and Velocity Based Puncture Detection in Robot Assisted Retinal Vein Cannulation: In-Vivo Study.

IEEE transactions on bio-medical engineering Feb 21, 2022
OBJECTIVE: Retinal vein cannulation is a technically demanding surgical procedure and its feasibility may rely on using advanced surgical robots equipped with force-sensing microneedles. Reliable detection of the moment of venous puncture is importan...
Retina Retinal Vein Robotics Animals Retinal Vein Occlusion Rabbits Swine Needles Catheterization Punctures
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