Results 71 to 80 of about 28,445 (214)

Development of a measurement setup to determine the frictional properties of tissuemimicking materials for vascular models

Current Directions in Biomedical Engineering
In this study, a measurement setup was developed to determine the frictional properties between tissue-mimicking and implant materials. Nitinol and Polytetrafluoroethylene (PTFE) were selected as implant materials, while Polyvinyl alcohol (PVA) hydrogel ...
Karcher Alisa, Schäfer Jenny, Cattaneo Giorgio, Sanchez Daniela   +3 more
doaj   +1 more source

Motion Planning for Elastic, Non-Controlled, Hyper-Redundant Serial Mechanism

IEEE Access, 2020
This paper introduces the kinematics and two motion planning schemes for a planar, hyper-elastic leaf-spring that is fully supported at the proximal end.
Oded Medina
doaj   +1 more source

Influence of Taper on the Flexibility of Nickel-Titanium Rotary Files [PDF]

, 2014
Introduction: Modern nickel-titanium instruments have various tapers and have been marketed to have superior flexibility from previous generations. Current ISO standards require force measurements at a static point along the file.
Kingma, Christopher J.
core   +1 more source

Quantifying Viscoelastic Properties of Nylon-6,6 Actuators [PDF]

, 2018
Orthostatic Hypotension (OH) is a prevalent condition affecting 52.1% of stroke patients, characterized by a drop in atrial blood pressure upon standing.
Tamma, Poornima
core   +1 more source

Microfabricated Nitinol Stent Retrievers with a Micro-Patterned Surface

Micromachines
Stent retrievers are medical devices that are designed to physically remove blood clots from within the blood vessels of the brain. This paper focuses on microfabricated nitinol (nickel–titanium alloy) stent retrievers, which feature micro-patterns on ...
Shogo Kato, Yuzuki Ban, Takashi Ota, Norihisa Miki   +3 more
doaj   +1 more source

Nature as paradigm for sustainability in the textile and apparel industry [PDF]

, 2012
Imagine if clothing of the future would adapt, grow, self repair and change appearance. The relationship between wearer and garment would be that of symbiosis enabled by developments in material science that produce textiles able to imitate ...
Kapsali, Veronika
core  

Targeting In-Stent-Stenosis with RGD- and CXCL1-Coated Mini-Stents in Mice.

PLoS ONE, 2016
Atherosclerotic lesions that critically narrow the artery can necessitate an angioplasty and stent implantation. Long-term therapeutic effects, however, are limited by excessive arterial remodeling.
Sakine Simsekyilmaz, Elisa A Liehn, Stefan Weinandy, Fabian Schreiber, Remco T A Megens, Wendy Theelen, Ralf Smeets, Stefan Jockenhövel, Thomas Gries, Martin Möller, Doris Klee, Christian Weber, Alma Zernecke   +12 more
doaj   +1 more source

Current Models of Transcatheter Aortic Valves: Comparative Analysis of Design, Clinical Outcomes and Development Prospects

Applied Sciences
Objectives: Transcatheter aortic valve implantation (TAVI) has become the standard of care for severe aortic stenosis across all surgical risk categories. Continuous innovation in prosthesis technology necessitates a comprehensive and clinically oriented
Konstantin Kozyr, Bogachev-Prokophiev Alexander, Oleg Krestyaninov, Ravil Sharifulin, Anton Zalesov, Alexandra Mochalova, Bashir Tsaroev, Svetlana Tamkovich   +7 more
doaj   +1 more source

Propiedades mecánicas de tres marcas de arcos ortodóncicos de níquel-titanio termoactivados. Estudio in vitro

Odontología Sanmarquina, 2010
La selección óptima de los alambres ortodóncicos permite al profesional realizar el tratamiento de manera eficiente; por ello, se requiere el conocimiento de las propiedades mecánicas básicas, las cuales no son reveladas por sus fabricantes.
Viviana Ramos Torres, Luciano Soldevilla Galarza, Manuel Mattos Vela   +2 more
doaj   +1 more source

Review of EDM-Based Machining of Nickel–Titanium Shape Memory Alloys

Quantum Beam Science
Shape memory alloy (SMA) materials are valued for their shape memory effect, superelasticity, and biocompatibility, making them an ideal choice for applications in biomedical, aerospace, and actuator fields.
Sujeet Kumar Chaubey, Kapil Gupta
doaj   +1 more source