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Journal articles on the topic 'Microfluidic stent'

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1

Graf, Thomas, Gitanas Kancerevycius, Linas Jonusauskas, and Patric Eberle. "Rational Design of Microfluidic Glaucoma Stent." Micromachines, no. 13 (June 20, 2022): 978. https://doi.org/10.5281/zenodo.6778818.

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Glaucoma is a common, irreparable eye disease associated with high intraocular pressure. One treatment option is implantation of a stent to lower the intraocular pressure. A systematic approach to develop a microchannel stent meshwork that drains aqueous humor from the anterior chamber of the eye into the subconjunctival space is presented. The stent has a large number of outlets within its mesh structure that open into the subconjunctiva. The development approach includes a flow resistance model of the stent. Local adaption of the stent's tubular dimensions allows for adjustment of the fl
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2

Graf, Thomas, Gitanas Kancerevycius, Linas Jonušauskas, and Patric Eberle. "Rational Design of Microfluidic Glaucoma Stent." Micromachines 13, no. 6 (2022): 978. http://dx.doi.org/10.3390/mi13060978.

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Glaucoma is a common, irreparable eye disease associated with high intraocular pressure. One treatment option is implantation of a stent to lower the intraocular pressure. A systematic approach to develop a microchannel stent meshwork that drains aqueous humor from the anterior chamber of the eye into the subconjunctival space is presented. The stent has a large number of outlets within its mesh structure that open into the subconjunctiva. The development approach includes a flow resistance model of the stent. Local adaption of the stent’s tubular dimensions allows for adjustment of the flow r
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3

De Grazia, Antonio, Gareth LuTheryn, Alireza Meghdadi, et al. "A Microfluidic-Based Investigation of Bacterial Attachment in Ureteral Stents." Micromachines 11, no. 4 (2020): 408. http://dx.doi.org/10.3390/mi11040408.

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Obstructions of the ureter lumen can originate from intrinsic or extrinsic factors, such as kidney stones, tumours, or strictures. These can affect the physiological flow of urine from the kidneys to the bladder, potentially causing infection, pain, and kidney failure. To overcome these complications, ureteral stents are often deployed clinically in order to temporarily re-establish urinary flow. Despite their clinical benefits, stents are prone to encrustation and biofilm formation that lead to reduced quality of life for patients; however, the mechanisms underlying the formation of crystalli
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4

Mosayyebi, A., D. Lange, Q. Yann Yue, et al. "Reducing deposition of encrustation in ureteric stents by changing the stent architecture: A microfluidic-based investigation." Biomicrofluidics 13, no. 1 (2019): 014101. http://dx.doi.org/10.1063/1.5059370.

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5

Cheng, Yi, Xiaoxuan Zhang, Rui Liu, et al. "Bioinspired Vascular Stents with Microfluidic Electrospun Multilayer Coatings for Preventing In‐Stent Restenosis (Adv. Healthcare Mater. 17/2022)." Advanced Healthcare Materials 11, no. 17 (2022): 2270105. http://dx.doi.org/10.1002/adhm.202270105.

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6

Dehghani, Peyman, Anne Sinquin, Nicolas Gland, Anh Minh Tang, and Audrey Estublier. "Investigating cyclopentane hydrate nucleation and growth using microfluidics." Science and Technology for Energy Transition 78 (2023): 36. http://dx.doi.org/10.2516/stet/2023034.

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The success of geological storage of carbon dioxide (CO2) in depleted oil and gas reservoirs relies among other aspects on the efficiency of CO2 injection, especially in the near-wellbore area where flow rates are high. CO2 hydrates pressure/temperature equilibrium conditions may be reached in this zone due to cooling associated with the Joule–Thomson effect; such CO2 hydrate formation may lead to strong injectivity loss and impair drastically the onsite well operations. In this study, cyclopentane hydrates (CPH) were employed as CO2 hydrate proxy (i.e. formation at atmospheric pressure) to mi
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7

Zawidlak-Węgrzyńska, Barbara, Joanna Rydz, Marta Musioł, and Aneta Radziwon-Balicka. "Polymer-Drug Anti-Thrombogenic and Hemocompatible Coatings as Surface Modifications." Pharmaceutics 16, no. 3 (2024): 432. http://dx.doi.org/10.3390/pharmaceutics16030432.

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Since the 1960s, efforts have been made to develop new technologies to eliminate the risk of thrombosis in medical devices that come into contact with blood. Preventing thrombosis resulting from the contact of a medical device, such as an implant, with blood is a challenge due to the high mortality rate of patients and the high cost of medical care. To this end, various types of biomaterials coated with polymer-drug layers are being designed to reduce their thrombogenicity and improve their hemocompatibility. This review presents the latest developments in the use of polymer-drug systems to pr
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8

Ye, Changrong, Juan Wang, Ansha Zhao, et al. "Atorvastatin Eluting Coating for Magnesium‐Based Stents: Control of Degradation and Endothelialization in a Microfluidic Assay and In Vivo." Advanced Materials Technologies 5, no. 4 (2020): 1900947. http://dx.doi.org/10.1002/admt.201900947.

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9

Serrano, Dolores R., Aytug Kara, Iván Yuste, et al. "3D Printing Technologies in Personalized Medicine, Nanomedicines, and Biopharmaceuticals." Pharmaceutics 15, no. 2 (2023): 313. http://dx.doi.org/10.3390/pharmaceutics15020313.

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3D printing technologies enable medicine customization adapted to patients’ needs. There are several 3D printing techniques available, but majority of dosage forms and medical devices are printed using nozzle-based extrusion, laser-writing systems, and powder binder jetting. 3D printing has been demonstrated for a broad range of applications in development and targeting solid, semi-solid, and locally applied or implanted medicines. 3D-printed solid dosage forms allow the combination of one or more drugs within the same solid dosage form to improve patient compliance, facilitate deglutition, ta
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10

Peleshok, Stepan A., and Konstantin P. Golovko. "3D printing and medicine." Russian Military Medical Academy Reports 41, no. 3 (2022): 325–33. http://dx.doi.org/10.17816/rmmar88645.

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In modern conditions, the possibilities of using 3D printing in medicine are expanding, and it occupies about 11% of the global additive manufacturing market. At the Kirov Military Medical Academy and the ERA Military Innovation Technopolis, 3D printing is used for training, preoperative planning, the creation of splints, the manufacture of non-invasive functional products, and the creation of COVID-19 prevention aids.
 In order to determine the prospects for development, foreign experience in the use of 3D printing in medicine has been studied over the past 5 years.
 It is establish
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11

Chernyshikhin, Stanislav V., Ivan A. Pelevin, Farzad Karimi, and Igor V. Shishkovsky. "The Study on Resolution Factors of LPBF Technology for Manufacturing Superelastic NiTi Endodontic Files." Materials 15, no. 19 (2022): 6556. http://dx.doi.org/10.3390/ma15196556.

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Laser Powder Bed Fusion (LPBF) technology is a new trend in manufacturing complex geometric structures from metals. This technology allows producing topologically optimized parts for aerospace, medical and industrial sectors where a high performance-to-weight ratio is required. Commonly the feature size for such applications is higher than 300–400 microns. However, for several possible applications of LPBF technology, for example, microfluidic devices, stents for coronary vessels, porous filters, dentistry, etc., a significant increase in the resolution is required. This work is aimed to study
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12

Wang, Chen, Fule Wang, Yunru Liao, et al. "A glaucoma micro-stent with diverging channel and stepped shaft structure based on microfluidic template processing technology." BioMedical Engineering OnLine 23, no. 1 (2024). http://dx.doi.org/10.1186/s12938-024-01266-4.

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Abstract Background Minimally invasive glaucoma surgery (MIGS) has experienced a surge in popularity in recent years. Glaucoma micro-stents serve as the foundation for these minimally invasive procedures. Nevertheless, the utilization of these stents still presents certain short-term and long-term complications. This study aims to elucidate the creation of a novel drainage stent implant featuring a diverging channel, produced through microfluidic template processing technology. Additionally, an analysis of the mechanical properties, biocompatibility, and feasibility of implantation is conducte
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13

Wang, Yusheng, Saksham Sharma, Fabien Maldonado, and Xiaoguang Dong. "Wirelessly Actuated Ciliary Airway Stent for Excessive Mucus Transportation." Advanced Materials Technologies, October 31, 2023. http://dx.doi.org/10.1002/admt.202301003.

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AbstractSmall‐scale cilia‐like devices that can manipulate fluids in narrow spaces have great potential in microfluidics, biomechanics, biomedical engineering, and other applications. However, prior studies mostly focus on artificial cilia for pumping fluids in lab‐on‐a‐chip microfluidic applications. The design and control of artificial cilia for transporting viscous mucus in confined and tubular structures remain challenging and medical devices such as airway stents with ciliary function are still missing. Herein, a method is reported that enables integrating artificial cilia arrays on 3D cu
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14

Lenzuni, Martina, Silvio Bonfadini, Luigino Criante, et al. "Dynamic investigation of zein-based degradable and hemocompatible coatings for drug-eluting stents: a microfluidic approach." Lab on a Chip, 2023. http://dx.doi.org/10.1039/d3lc00012e.

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15

UĞURTAŞ, Tuğba, and Hakan YILMAZER. "VASCULAR ARTERY SIMULATION MODEL FABRICATION FOR PRE-SURGERY KIT FOR STENT APPLICATION THROUGH 3D PRINTING." International Journal of 3D Printing Technologies and Digital Industry, April 17, 2023. http://dx.doi.org/10.46519/ij3dptdi.1246758.

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Thrombosis occurs of a blood clot in the vein and blocking blood flow. The formation of a clot within the artery is called arterial thrombosis. Due to arterial thrombosis, there are heart attacks and strokes that result in more than 17.9 million deaths worldwide each year. Covid-19, one of today's problems, further increases the mortality rate. The thrombosis mechanism includes factors coming from the blood and the vessel wall, it based on local blood flow mechanisms and 3-dimensional vessel geometry. Microfluidics chip-based vascular models examine the interaction between blood and the vessel
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16

Cheng, Yi, Xiaoxuan Zhang, Rui Liu, et al. "Bioinspired Vascular Stents with Microfluidic Electrospun Multilayer Coatings for Preventing in‐stent Restenosis." Advanced Healthcare Materials, June 30, 2022, 2200965. http://dx.doi.org/10.1002/adhm.202200965.

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17

Ansha, Zhao, Ye Changrong, Su Hong, Wang Juan, Cao Zhenyu, and Huang Nan. "Dynamic biodegradation behavior of magnesium-based stent in microfluidic system and in coronary arteries." Frontiers in Bioengineering and Biotechnology 4 (2016). http://dx.doi.org/10.3389/conf.fbioe.2016.01.00990.

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18

Diacovo, Thomas G., Diana Vargas, Hairu Zhou, et al. "Abstract 13384: Cangrelor Pk / Pd Analysesin Neonates After Palliation of Congenital Heart Disease (chd)." Circulation 142, Suppl_3 (2020). http://dx.doi.org/10.1161/circ.142.suppl_3.13384.

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Background: Thrombotic events contribute significantly to early mortality in neonates with CHD requiring a systemic-to-pulmonary artery shunt. However, thromboprophylaxis remains suboptimal with few pharmacological agents studied and shown to be of benefit. The P2Y 12 inhibitor cangrelor is effective in preventing early coronary artery stent thrombosis in adults. Cangrelor dosing and safety have yet to be established in neonates. Hypotheses: (1) Cangrelor administered by infusion will yield drug levels capable of inhibiting maximal platelet aggregation by > 90% without causing an increase i
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19

Wang, Chen, Fule Wang, Yunru Liao, et al. "Correction: A glaucoma micro-stent with diverging channel and stepped shaft structure based on microfluidic template processing technology." BioMedical Engineering OnLine 24, no. 1 (2025). https://doi.org/10.1186/s12938-025-01358-9.

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20

Kong, Mingru, Zhen Wu, Zeliang Zheng, et al. "Construction strategies for 3D printed cardiac tissue repair materials and their application potential." Interdisciplinary Medicine, April 19, 2025. https://doi.org/10.1002/inmd.20240085.

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AbstractAs a major cause of death worldwide, heart disease has significant limitations in traditional treatments. However, 3D printing technology, with its personalized, precise, and multifunctional features, provides a new idea for developing cardiac tissue repair materials. This review analyzes the three core advantages of 3D printing technology in cardiac repair materials: the realization of personalized medicine, the intelligent construction of complex tissue structures, and the optimization of the functions of multi‐material combinations. Combined with specific research cases, this review
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21

Amado, Pedro, Cornel Dillinger, Chaimae Bahou, et al. "Ultrasound-activated cilia for biofilm control in indwelling medical devices." Proceedings of the National Academy of Sciences 122, no. 18 (2025). https://doi.org/10.1073/pnas.2418938122.

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Biofilm formation and encrustation are major issues in indwelling medical devices, such as urinary stents and catheters, as they lead to blockages and infections. Currently, to limit these effects, frequent replacements of these devices are necessary, resulting in a significant reduction in patients’ quality of life and an increase in healthcare costs. To address these challenges, by leveraging recent advancements in robotics and microfluidic technologies, we envision a self-cleaning system for indwelling medical devices equipped with bioinspired ultrasound-activated cilia. These cilia could b
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22

Ishibashi, Rei, Shuntaro Yoshida, Nariaki Odawara, et al. "Detection of circulating colorectal cancer cells by a custom microfluid system before and after endoscopic metallic stent placement." Oncology Letters, November 4, 2019. http://dx.doi.org/10.3892/ol.2019.11047.

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23

Gorla, Gemma, Antonella Potenza, Tatiana Carrozzini, et al. "Angiopoietin‐2 associates with poor prognosis in Moyamoya angiopathy." Annals of Clinical and Translational Neurology, April 24, 2024. http://dx.doi.org/10.1002/acn3.52076.

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AbstractObjectiveMoyamoya angiopathy (MA) is a rare cerebrovascular disorder characterized by recurrent ischemic/hemorrhagic strokes due to progressive occlusion of the intracranial carotid arteries. The lack of reliable disease severity biomarkers led us to investigate molecular features of a Caucasian cohort of MA patients.MethodsThe participants consisted of 30 MA patients and 40 controls. We measured cerebrospinal fluid (CSF) levels of angiogenic/inflammatory factors (ELISA). We then applied quantitative real‐time PCR on cerebral artery specimens for expression analyses of angiogenic facto
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