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FBG-based Shape-Sensing to Enable Lateral Deflection Methods of Autonomous Needle Insertion.
Rep U S
October 2024
Department of Mechanical Engineering, Johns Hopkins University, Baltimore, MD, USA.
In diagnosing and treating prostate cancer the flexible bevel tip needle insertion surgical technique is commonly used. Bevel tip needles experience asymmetric loading on the needle's tip, inducing natural bending of the needle and enabling control mechanisms for precise placement of the needle during surgery. Several methods leverage the needles natural bending to provide autonomous control of needle insertion for accurate needle placement in an effort to reduce excess tissue damage and improve patient outcomes from needle insertion intraventions.
View Article and Find Full Text PDFComparative outcomes of Palmer, Umbilical Veress needle, and open entry techniques in robotic-assisted surgery: a propensity-matched analysis of 9482 patients.
J Robot Surg
January 2025
Department of Urology, Icahn School of Medicine at Mount Sinai Hospital, 1425 Madison Ave, New York, USA.
Robotic-assisted surgery offers several advantages over traditional methods, such as reduced blood loss and fewer complications. Establishing pneumoperitoneum is a critical step, with two primary techniques: the Veress needle (closed) and the Hasson (open) technique. Despite extensive studies in laparoscopic surgery, limited data exist regarding their use in robotic surgery.
View Article and Find Full Text PDFEndoscopic Ultrasound-Guided Pancreatic Tissue Sampling: Lesion Assessment, Needles, and Techniques.
Medicina (Kaunas)
December 2024
Department of Medicine, Diagnostic and Interventional Endoscopy of the Pancreas, The Pancreas Institute, University Hospital of Verona, 37134 Verona, Italy.
Endoscopic ultrasound (EUS)-guided tissue sampling includes the techniques of fine needle aspiration (FNA) and fine needle biopsy (FNB), and both procedures have revolutionized specimen collection from the gastrointestinal tract, especially from remote/inaccessible organs. EUS-FNB has replaced FNA as the procedure of choice for tissue acquisition in solid pancreatic lesions (SPLs) across various society guidelines. FNB specimens provide a larger histological tissue core (preserving tissue architecture) with fewer needle passes, and this is extremely relevant in today's era of precision and personalized molecular medicine.
View Article and Find Full Text PDFEnhancing Meat Analog Texture Using Wet-Spun Fibroin Protein Fibers: A Novel Approach to Mimic Whole-Muscle Meat.
J Texture Stud
February 2025
Institute for Advanced Biosciences, Keio University, Tsuruoka, Japan.
The increasing demand for protein-rich, plant-based foods has driven the development of meat analogs that closely mimic the texture and mouthfeel of animal meat. While plant-based fibrils and electrospun silk fibroin fibers have been explored for texture enhancement and scaffolding in both meat analogs and cell-based meats, the use of wet-spun fibroin protein fibers as a food ingredient remains underexplored. This study investigates the potential of wet-spun recombinant fibroin fibers to enhance the textural properties of meat analogs.
View Article and Find Full Text PDFA Comparative Study of Laparoscopic Skills Between Novices and Experts: How to Steepen the Learning Curve.
Cureus
December 2024
Urology, Université Saint-Joseph, Hôtel-Dieu de France University Hospital, Beirut, LBN.
Introduction and aim Laparoscopic surgery has revolutionized the field of surgery over the past few decades. The learning curve in laparoscopy is known to be slow, flat, and complex. This study aims to conduct a comparative analysis of laparoscopic skills, specifically focusing on suturing, knot tying, and needle handling, between novices and experts.
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