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Evaluation of (Shared) Autonomy in Robot-Assisted Vitreoretinal Surgery Using a Surgical Model.
Int J Med Robot
February 2025
Department of Mechanical Engineering, The University of Tokyo, Bunkyo, Japan.
Background: Robot-assisted vitreoretinal surgery makes it easier for the surgeons to perform precise and dexterous manipulations required in vitreoretinal procedures.
Methods: We systematically evaluated manual surgery, conventional two-hand teleoperation, a novel one-hand teleoperation, and automation in a needle positioning task using a realistic surgical eye model, measuring the expert surgeon's performances and the novice's learning curves.
Results: The proposed one-hand teleoperation improved the positioning accuracy of expert surgeons , enabled novices to achieve a consistent accuracy more quickly , decreased the novice's workload more quickly , and made it easier for novices to learn to conduct the task quickly .
4D-printed programmable sample-/eluent-actuated solid-phase extraction device for trace metal analysis.
Anal Chim Acta
January 2025
Department of Chemistry, National Chung Hsing University, Taichung City, 402202, Taiwan, ROC. Electronic address:
Background: To integrate valves, manifolds, and solid-phase extraction (SPE) columns into a compact device is technically difficult. Four-dimensional printing (4DP) technologies, employing stimuli-responsive materials in three-dimensional printing (3DP), are revolutionizing the fabrication, functionality, and applicability of stimuli-responsive analytical devices that can show time-dependent shape programming to enable more complex geometric designs and functions. However, 4D-printed stimuli-responsive actuators and valves utilized to control flowing streams in SPE applications remain rare.
View Article and Find Full Text PDFRemplissage Using Percutaneous Needle Navigation With Knotless Anchors in a Suture Staple Configuration.
Arthrosc Tech
December 2024
Division of Sports Medicine, Department of Orthopaedic Surgery, Virginia Commonwealth University Health Systems, Richmond, Virginia, U.S.A.
Remplissage is a procedure that decreases the rate of recurrent instability after arthroscopic stabilization in patients with an engaging Hill-Sachs lesion. This technique involves capsulotenodesis of the infraspinatus tendon and posterior capsule into the Hill-Sachs lesion using 2 knotless anchors with suture passage through the infraspinatus tendon guided by a percutaneous needle. Previously described techniques use knots or anchor placement through the infraspinatus, which can be challenging to control and irreversible if tendon penetration occurs in an undesirable location.
View Article and Find Full Text PDF[Case of osteitis condensans ilii].
Zhongguo Zhen Jiu
January 2025
Department of Acupuncture and Moxibustion, Wuxi Municipal Hospital of TCM, Wuxi 214100, Jiangsu Province, China.
The paper reports one case of osteitis condensans ilii treated with acupuncture in the young and middle-aged female patient. Based on the "analogy" thinking, bilateral Chengshan (BL57) and Ximen (PC4) were selected. The short needling was delivered at Chengshan (BL57), in which, the needle tip went directly to the bone surface and the needle was lifted and thrusted to induce the tolerable sensation.
View Article and Find Full Text PDF[Clinical efficacy of 's subcutaneous needling based on "multi-joint muscle spiral balance chain" theory for cervical vertigo and its effect on blood flow velocity of vertebral artery].
Zhongguo Zhen Jiu
January 2025
Department of Rehabilitation, Affiliated Hospital of Chengdu University of TCM, Chengdu 610072, Sichuan Province.
Objective: To observe the clinical efficacy of 's subcutaneous needling based on "multi-joint muscle spiral balance chain" theory for cervical vertigo (CV) and its effect on blood flow velocity of vertebral artery.
Methods: A total of 60 patients with CV were randomized into a Fu's subcutaneous needling group and a medication group, 30 cases in each one. In the Fu's subcutaneous needling group, 's subcutaneous needling was delivered at Dazhui (GV14), the flexible tube was retained for 5 min after sweeping manipulation, and the treatment was given once every other day, 3 times a week for 3 weeks.
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