Results 291 to 300 of about 2,678,960 (332)

Mechanical characterization of breast prosthesis: static analysis

, 2019
Janszen, G., Vinci, V., Klinger, M.
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Design of transtibial mechanical prosthesis with feedback to ground irregularities

2021 IEEE 2nd International Congress of Biomedical Engineering and Bioengineering (CI-IB&BI), 2021
Most of the mechanical prostheses available do not have many of the important characteristics of the foot, such as flexibility, mobility and the ability to adapt to any type of terrain.
Juan Sebastian Contreras Marquez, Christian Cifuentes-De la Portilla   +1 more
semanticscholar   +1 more source

Thrombosis of Mechanical Mitral Valve Prosthesis

Journal of Cardiac Surgery, 2005
Obstruction of mechanical valve prostheses is a rare but potentially lethal complication following valve replacement surgery. Identifying the etiology and differentiation between thrombus, pannus, and vegetation obstructing the valve prosthesis can pose a diagnostic challenge.
Gilbert H L, Tang, Vivek, Rao, Samuel, Siu, Jagdish, Butany   +3 more
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Mechanical failure of omniphase penile prosthesis

Urology, 1988
We report a case of mechanical failure due to cable breakage in both cylinders of an OmniPhase penile prosthesis. The failure occurred six weeks after implantation and was manifested by inability to activate the device. X-ray films showed cable fracture at the point of insertion into the activator mechanism bilaterally.
T K, Huisman, R C, Macintyre
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Mechanical Failure with Malleable Penile Prosthesis

Urology, 2007
Mechanical failure with a malleable penile prosthesis is very rare, and no mechanical failure has been reported with the AMS 650 malleable penile prosthesis. A 67-year-old man, using the AMS 650 malleable penile prosthesis without a problem since 1999, presented with right penile deformity and difficulty in sexual intercourse for the preceding 2 months.
Murat, Akand, Asim, Ozayar, Onder, Yaman, Cihan, Demirel   +3 more
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Finite element modeling of retinal prosthesis mechanics

Journal of Neural Engineering, 2009
Epiretinal prostheses used to treat degenerative retina diseases apply stimulus via an electrode array fixed to the ganglion cell side of the retina. Mechanical pressure applied by these arrays to the retina, both during initial insertion and throughout chronic use, could cause sufficient retinal damage to reduce the device's effectiveness. In order to
B C, Basinger, A P, Rowley, K, Chen, M S, Humayun, J D, Weiland   +4 more
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Successful thrombolysis on a mechanical tricuspid prosthesis

European Heart Journal, 1989
Recombinant tissue-type plasminogen activator (rt-PA) is presently used for the treatment of different clinical entities, mostly myocardial infarction. Its use for treatment of thrombotic dysfunction of prosthetic cardiac valves is more recent and has been only rarely reported.
M A, Prieto Palomino, M J, Ruiz de Elvira, F, Sanchez Llorente, E, Torrado, J L, Castillo, N, Gonzalez de Vega, A, Garijo Galve   +6 more
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A DISASTROUS CASE OF MECHANICAL PROSTHESIS VALVE THROMBOSIS

European Heart Journal, Supplement
In September 2024, a 57–year–old woman came to the emergency department with worsening dyspnea. Her medical history includes an aortic bioprosthesis implantation in July 2019 for suspected endocarditis and closure of a secundum atrial septal defect. In
A. Tacchetto, V. Bellantonio, S. Pedroli, F. Tucci, M. Campana, M. Milani, L. Lenatti, A. Bianchi, G. Uccello, A. Farina   +9 more
semanticscholar   +1 more source

Development and Validation of a Numerical Model for the Mechanical Behavior of Knee Prosthesis Analyzed by the Finite Elements Method

Journal of Biomimetics, Biomaterials and Biomedical Engineering, 2018
The human knee is a complex joint (the largest joint of the human body). During the different daily activities, this joint is exposed to significant loads and movements, may in some cases exceed the limit of the mechanical capacities of its components ...
A. Mestar, Samir Zahaf, Nourddine Zina, A. Boutaous   +3 more
semanticscholar   +1 more source

Developments in mechanical heart valve prosthesis

Sadhana, 2003
Artificial heart valves are engineered devices used for replacing diseased or damaged natural valves of the heart. Most commonly used for replacement are mechanical heart valves and biological valves. This paper briefly outlines the evolution, designs employed, materials being used,. and important factors that affect the performance of mechanical heart
Kalyani Nair, C. V. Muraleedharan, G. S. Bhuvaneshwar   +2 more
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