AIMC Topic: Needles

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Deep Learning for Instrumented Ultrasonic Tracking: From Synthetic Training Data to In Vivo Application.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control Jan 27, 2022
Instrumented ultrasonic tracking is used to improve needle localization during ultrasound guidance of minimally invasive percutaneous procedures. Here, it is implemented with transmitted ultrasound pulses from a clinical ultrasound imaging probe, whi...
Image Processing, Computer-Assisted Ultrasonics Needles Neural Networks, Computer Deep Learning Ultrasonography
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Smart surgical sutures using soft artificial muscles.

Scientific reports Nov 17, 2021
Wound closure with surgical sutures is a critical challenge for flexible endoscopic surgeries. Substantial efforts have been introduced to develop functional and smart surgical sutures to either monitor wound conditions or ease the complexity of knot...
Tensile Strength Muscles Wound Closure Techniques Suture Techniques Suture Anchors Swine Robotics Sutures Materials Testing Needles Stomach Endoscopy Animals Colon
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Automatic and accurate needle detection in 2D ultrasound during robot-assisted needle insertion process.

International journal of computer assisted radiology and surgery Oct 22, 2021
PURPOSE: Robot-assisted needle insertion guided by 2D ultrasound (US) can effectively improve the accuracy and success rate of clinical puncture. To this end, automatic and accurate needle-tracking methods are important for monitoring puncture proces...
Ultrasonography Cattle Robotics Neural Networks, Computer Animals Swine Surgery, Computer-Assisted Needles
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Rupture Detection During Needle Insertion Using Complex OCT Data and CNNs.

IEEE transactions on bio-medical engineering Sep 20, 2021
OBJECTIVE: Soft tissue deformation and ruptures complicate needle placement. However, ruptures at tissue interfaces also contain information which helps physicians to navigate through different layers. This navigation task can be challenging, wheneve...
Needles Phantoms, Imaging Mechanical Phenomena Robotics Tomography, Optical Coherence
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Magneto-Responsive Microneedle Robots for Intestinal Macromolecule Delivery.

Advanced materials (Deerfield Beach, Fla.) Sep 17, 2021
Oral administration is the most convenient and commonly used approach for drug delivery, while it is still a challenge to overcome the complicated gastrointestinal barriers and realize efficient macromolecular drug absorption. Here, novel magneto-res...
Administration, Oral Macromolecular Substances Needles Magnetic Fields Intestine, Small Microinjections Blood Glucose Insulin Robotics Animals Swine Drug Delivery Systems
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Integrating robot-assisted ultrasound tracking and 3D needle shape prediction for real-time tracking of the needle tip in needle steering procedures.

The international journal of medical robotics + computer assisted surgery : MRCAS May 12, 2021
BACKGROUND: Needle insertions have been used in several minimally invasive procedures for diagnostic and therapeutic purposes. Real-time position of the needle tip is an important information in needle steering systems.
Ultrasonography Cattle Robotics Needles Phantoms, Imaging Animals
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Development and placement accuracy evaluation of an MR conditional robot for prostate intervention.

Medical & biological engineering & computing Apr 16, 2021
Robot-assisted prostate intervention under magnetic resonance imaging (MRI) guidance is a promising method to improve the clinical performance compared with the manual method. An MR conditional 6-DOF prostate intervention serial robot is developed an...
Needles Magnetic Resonance Imaging Robotics Prostate Humans Algorithms Male
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Time-aware deep neural networks for needle tip localization in 2D ultrasound.

International journal of computer assisted radiology and surgery Apr 11, 2021
PURPOSE: Accurate placement of the needle is critical in interventions like biopsies and regional anesthesia, during which incorrect needle insertion can lead to procedure failure and complications. Therefore, ultrasound guidance is widely used to im...
Swine Ultrasonography Cattle Chickens Ultrasonography, Interventional Biopsy Algorithms Reproducibility of Results Animals Artifacts Neural Networks, Computer Surgery, Computer-Assisted Needles Motion
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In vivo evaluation of angulated needle-guide template for MRI-guided transperineal prostate biopsy.

Medical physics Mar 24, 2021
PURPOSE: Magnetic resonance imaging (MRI)-guided transperineal prostate biopsy has been practiced since the early 2000s. The technique often suffers from targeting error due to deviation of the needle as a result of physical interaction between the n...
Prostate Needles Humans Robotics Image-Guided Biopsy Animals Male Prostatic Neoplasms Swine Magnetic Resonance Imaging
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A Direct Drive Parallel Plane Piezoelectric Needle Positioning Robot for MRI Guided Intraspinal Injection.

IEEE transactions on bio-medical engineering Feb 18, 2021
UNLABELLED: Recent developments in the field of cellular therapeutics have indicated the potential of stem cell injections directly to the spinal cord. Injections require either open surgery or a Magnetic Resonance Imaging (MRI) guided injection. Nee...
Injections, Spinal Magnetic Resonance Imaging Needles Robotics Phantoms, Imaging
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