Results 41 to 50 of about 2,174 (175)
Acta Ophthalmologica, Volume 104, Issue 8, Page e941-e949, December 2026.Abstract Purpose To evaluate bleb morphology longitudinally using sonography following glaucoma drainage device (GDD) surgery. Methods Prospective observational cohort study conducted from January 2022 to March 2024, with follow‐up up to 12 months postoperatively. Bleb morphology, including superior and inferior bleb height, transverse and longitudinal
Constance Liegl +9 more
wiley +1 more source
Scientific Reports, 2021 Liebau pump is a tubular, non-peristaltic, pulsatile pump capable of creating unidirectional flow in the absence of valves. It requires asymmetrical positioning of the pincher relative to the attachment sites of its elastic segment to the rest of the ...
Rubina Davtyan, Narine A. Sarvazyan
doaj +1 more source
Truncus repair with a valveless conduit in neonates
The Journal of Thoracic and Cardiovascular Surgery, 1995 R E F E R E N C E S 1. Gross RE. Arterial malformations which cause compression of the trachea or esophagus. Circulation 1955; 11:124-34. 2. Conti VR, Lobe TE. Vascular sling with tracheomalacia: surgical management. Ann Thorac Surg 1989;47:310-1. 3. Bollinger CT, Probst R, Tschopp K, Soler M, Perruchoud AP.
Behrendt, Douglas M., Dick, Macdonald
openaire +2 more sources
ChemElectroChem, Volume 13, Issue 21, 3 November 2026.Electrochemical nitrate reduction is advanced toward scalable ammonia production by combining acidic operation with a continuous feed‐and‐bleed reactor concept. Independent control of conversion and mass transport reveals how nitrate availability, recirculation, and membrane resistance govern selectivity and energy demand, providing design guidelines ...
Yannick Sebastian Mürtz +4 more
wiley +1 more source
Drone Systems and ApplicationsThe work is devoted to the development of a mathematical model and a program for online modeling of the pulse jet engine working cycle and characteristics to assess the possibility of its use on unmanned aerial vehicles.
Alexander Khrulev, Valeriy Muntyan
doaj +1 more source
Fast Hydrogel Micro‐Actuators Driven by Electric Fields
Advanced Materials, Volume 38, Issue 60, 27 October 2026.We report the fabrication of chemically programmable electroactuating microstructures through the first integration of two‐photon polymerization with electrically actuated gelatin methacrylate‐based hydrogels. By tailoring the charge of the polymer network, we demonstrate programmable polarity‐dependent bending, enabling microstructures that ...
Annaël Sort‐Montenegro +6 more
wiley +1 more source
Theoretical and Experimental Research on Bubble Actuated Micro-Pumps
Micromachines, 2018 Bubble actuated micro-pumps have great potential to be integrated into microfluidic systems to allow the independence of peripheral equipment. Previous studies on bubble actuated valveless micro-pumps have been mainly limited to experimental studies and ...
Yang Qu, Junjie Zhou, Wei Wu
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Strategic Design of Soft Actuators in Translational Medical Robotics for Human‐Centered Healthcare
Advanced Robotics Research, Volume 2, Issue 5, October 2026.Soft robotics enables biocompatible, compliant medical devices, but clinical translation requires design‐driven engineering beyond materials. This perspective reviews implantable, surgical, and wearable systems by actuation mechanism, highlighting how optimized architectures and integration improve mechanical interfacing, adaptability, and durability ...
Ho Jun Jin +3 more
wiley +1 more source
The Egyptian Heart Journal, 2014 Repair of truncus arteriosus represents a surgical challenge. Many technical modifications were added to improve the surgical outcome, decrease complications and decrease the incidence of re operations especially regarding the RV to PA connections with ...
Al Sayed Salem
doaj +1 more source
Investigation on the Influence of Design Parameters of Streamline Flow Tubes on Pump Performance
Shock and Vibration, 2021 Studies have shown that the valveless piezoelectric pump with streamline flow tubes (VPPSFTs) can increase the flow rate while reducing the vortex, which has a broad application prospect and conforms to the huge potential demand in the fields of medical ...
Kan Bian +7 more
doaj +1 more source