Results 51 to 60 of about 469,951 (194)

The wear behaviour of ion implanted biomaterials [PDF]

, 2003
The tribological performance of biomaterials used for artificial joints is of much importance, and require low coefficients of friction, resistance to wear and the ability to withstand many millions of cycles under a multitude of loading regimes ...
Boampong, Derrick Kwadwo
core  

Clinical study on deep brain electrode implantation assisted by ROSA system

Chinese Journal of Contemporary Neurology and Neurosurgery, 2015
Objective To evaluate the accuracy and safety of deep brain electrode implantation assisted by robotized stereotactic assistant (ROSA) system. Methods A total of 6 epileptic patients who had difficulty in positioning of epileptogenic focus underwent ...
Zhi-qi MAO, Xin-guang YU, Zhi-pei LING, PAN Long-sheng, Zhi-qiang CUI, Xin XU, Lu SUN   +6 more
doaj  

Review on cochlear implant electrode array tip fold-over and scalar deviation

Journal of Otology, 2019
Objective: Determine the occurrence rate of cochlear implant (CI) electrode tip fold-over and electrode scalar deviation as reported in patient cases with different commercial electrode types.
Anandhan Dhanasingh, Claude Jolly
doaj   +1 more source

Inkjet printing of flexible organic electrodes for tissue engineering applications [PDF]

, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-graduação em Ciência e Engenharia de Materiais, Florianópolis, 2012A tecnologia de impressão por jato de tinta vem demonstrando ser capaz de imprimir ...
Mandelli, Jaqueline Stecanela
core  

A MCC950 analogue inflammasome inhibitor reduces the foreign body reaction against neural implants

European Journal of Medicinal Chemistry Reports
Devices implanted in the body provoke a foreign body reaction (FBR) that results in tissue encapsulation of the device and hampers its functionality over time.
Jose Crugeiras, Chiara Bisquoli, María Rodríguez-Brañas, Bruno Rodríguez-Meana, Tiziano De Ventura, Neus Hernández, Jessica Jaramillo, Alice Honovich, Ignacio Delgado-Martínez, Natalia Lago, Hanna Karlsson-Fernberg, Maria Asplund, Stefano Carli, Claudio Trapella, Giulia Turrin, Xavier Navarro   +15 more
doaj   +1 more source

Microstructure of 5 keV gold-implanted polydimethylsiloxane [PDF]

The first high-resolution transmission electron microscopy (TEM) cross-section images of flexible electrodes fabricated by gold ion implantation at 5 keV into polydimethylsiloxane (PDMS) are presented.
Niklaus, Muhamed, Dubois, Phillipe, Herbert, Shea, Dadras, Massoud, Rosset, Samuel   +4 more
core   +2 more sources

Intracranial direct electrical mapping reveals the functional architecture of the human basal ganglia

Communications Biology, 2022
Direct electrical stimulation of the basal ganglia using implanted SEEG electrodes produced a variety of motor and non-motor effects in human participants, providing insight into the functional architecture of this key brain region.
Lei Qi, Cuiping Xu, Xueyuan Wang, Jialin Du, Quansheng He, Di Wu, Xiaopeng Wang, Guangyuan Jin, Qiao Wang, Jia Chen, Di Wang, Huaqiang Zhang, Xiaohua Zhang, Penghu Wei, Yongzhi Shan, Zaixu Cui, Yuping Wang, Yousheng Shu, Guoguang Zhao, Tao Yu, Liankun Ren   +20 more
doaj   +1 more source

Refining Planning for Stereoelectroencephalography: A Prospective Validation of Spatial Priors for Computer-Assisted Planning With Application of Dynamic Learning

Frontiers in Neurology, 2020
Objective: Stereoelectroencephalography (SEEG) is a procedure in which many electrodes are stereotactically implanted within different regions of the brain to estimate the epileptogenic zone in patients with drug-refractory focal epilepsy.
Vejay N. Vakharia, Vejay N. Vakharia, Vejay N. Vakharia, Rachel E. Sparks, Alejandro Granados, Anna Miserocchi, Anna Miserocchi, Anna Miserocchi, Andrew W. McEvoy, Andrew W. McEvoy, Andrew W. McEvoy, Sebastien Ourselin, John S. Duncan, John S. Duncan, John S. Duncan   +14 more
doaj   +1 more source

First-in-human implementation of a bidirectional somatosensory neuroprosthetic system with wireless communication

Journal of NeuroEngineering and Rehabilitation
Background Limitations in upper limb prosthesis function and lack of sensory feedback are major contributors to high prosthesis abandonment rates. Peripheral nerve stimulation and intramuscular recording can restore touch and relay motor intentions for ...
Sedona R. Cady, Joris M. Lambrecht, Karina T. Dsouza, Jeremy L. Dunning, J. Robert Anderson, Kevin J. Malone, Kyle J. Chepla, Emily L. Graczyk, Dustin J. Tyler   +8 more
doaj   +1 more source

Using Compound Neural Action Potentials for Functional Validation of a High-Density Intraneural Interface: A Preliminary Study

Micromachines
Compound nerve action potentials (CNAPs) were used as a metric to assess the stimulation performance of a novel high-density, transverse, intrafascicular electrode in rat models.
Aritra Kundu, Erin Patrick, Seth Currlin, Ryan Madler, Francisco Delgado, Ahmed Fahmy, Rik Verplancke, Marco Ballini, Dries Braeken, Maaike Op de Beeck, Nima Maghari, Kevin J. Otto, Rizwan Bashirullah   +12 more
doaj   +1 more source