Results 21 to 30 of about 116,881 (292)

Collaborative Robotic Biopsy with Trajectory Guidance and Needle Tip Force Feedback [PDF]

open access: yes2023 IEEE International Conference on Robotics and Automation (ICRA), London, United Kingdom, 2023, pp. 6893-6900, 2023
The diagnostic value of biopsies is highly dependent on the placement of needles. Robotic trajectory guidance has been shown to improve needle positioning, but feedback for real-time navigation is limited. Haptic display of needle tip forces can provide rich feedback for needle navigation by enabling localization of tissue structures along the ...
arxiv  

Crawling Magnetic Robot to Perform a Biopsy in Tubular Environments by Controlling a Magnetic Field

open access: yesApplied Sciences, 2021
We developed a crawling magnetic robot (CMR), which can stably navigate and perform biopsies remotely in tubular environments by controlling a magnetic field. The CMR is composed of a crawling part and a biopsy part.
Eunsoo Jung   +4 more
doaj   +1 more source

Needle bevel geometry influences the flexural deflection magnitude in ultrasound-enhanced fine-needle biopsy [PDF]

open access: yesarXiv, 2022
It has been recently demonstrated that use of ultrasound increases the tissue yield in ultrasound-enhanced fine-needle aspiration biopsy (USeFNAB) as compared to conventional fine-needle aspiration biopsy (FNAB). To date, the association between bevel geometry and needle tip action has not been widely explored.
arxiv  

Toward Certifiable Motion Planning for Medical Steerable Needles [PDF]

open access: yes, 2021
Medical steerable needles can move along 3D curvilinear trajectories to avoid anatomical obstacles and reach clinically significant targets inside the human body. Automating steerable needle procedures can enable physicians and patients to harness the full potential of steerable needles by maximally leveraging their steerability to safely and ...
arxiv   +1 more source

Bruton tyrosine kinase inhibitors in the management of Waldenström macroglobulinemia

open access: yesAmerican Journal of Hematology, Volume 98, Issue 2, Page 338-347, February 2023., 2023
Abstract Bruton tyrosine kinase (BTK) inhibitors have taken a central role in the management of patients with Waldenström macroglobulinemia and are the only agents approved by the Food and Drug Administration (FDA) to treat these patients. Although associated with high rates of durable responses, unmet needs with BTK inhibitor therapy include ...
Jorge J. Castillo   +4 more
wiley   +1 more source

EUS-Guided Biopsy with a Novel Puncture Biopsy Forceps Needle—Feasibility Study

open access: yesDiagnostics, 2021
Endoscopic ultrasound (EUS) with fine needle aspiration (FNA) or biopsy (FNB) to diagnose lesions in the gastrointestinal tract is common. Demand for histology sampling to identify treatment-specific targets is increasing. Various core biopsy FNB needles
Geke Litjens   +10 more
doaj   +1 more source

Hemorrhagic shock necessitating resuscitation and damage control surgery after needle biopsy: A report of two cases

open access: yesTrauma Case Reports, 2021
Percutaneous needle biopsy is minimally invasive and widely performed. Bleeding is an important complication of needle biopsy. Because the wound created by the needle is small, the recognition of bleeding in the body may be delayed, and this delay can ...
Atsushi Tanikawa   +2 more
doaj  

Positivity rates of mycobacterial culture in patients with tuberculous spondylitis according to methods and sites of biopsies: An analysis of 206 cases

open access: yesInternational Journal of Infectious Diseases, 2022
Objectives: We aimed to evaluate the mycobacterial culture positivity rates according to biopsy methods and sites in patients with tuberculous spondylitis (TS) and identify which tissues are the best sites for the diagnosis of TS.
Chan Mi Lee   +12 more
doaj  

SlicerPET: A workflow based software module for PET/CT guided needle biopsy [PDF]

open access: yes, 2015
Biopsy is commonly used to confirm cancer diagnosis when radiologically indicated. Given the ability of PET to localize malignancies in heterogeneous tumors and tumors that do not have a CT correlate, PET/CT guided biopsy may improve the diagnostic yield of biopsies.
arxiv   +1 more source

Prostate biopsies guided by three-dimensional real-time (4-D) transrectal ultrasonography on a phantom: comparative study versus two-dimensional transrectal ultrasound-guided biopsies [PDF]

open access: yesEuropean Urology 52, 4 (2007) 1097-104, 2007
OBJECTIVE: This study evaluated the accuracy in localisation and distribution of real-time three-dimensional (4-D) ultrasound-guided biopsies on a prostate phantom. METHODS: A prostate phantom was created. A three-dimensional real-time ultrasound system with a 5.9MHz probe was used, making it possible to see several reconstructed orthogonal viewing ...
arxiv   +1 more source

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