نتایج جستجو برای: artificial limb
تعداد نتایج: 358039 فیلتر نتایج به سال:
Furthermore, the cost and cost effectiveness of using both cadavers and artificial tissues can be quite high and quite low respectively. Once, for example, a hand has been dissected and sutured, the tissue will be in a state that no longer provides a useful subject to practise on. It must then be destroyed and a replacement bought. One limb may provide several opportunities to practise suturing...
The cardiovascular actions of suxamethonium were studied in spinal cat preparations, and in cats with intact central nervous systems anaesthetized with a thiopentone, nitrous-oxide and oxygen sequence. Mechanical artificial ventilation of the lungs was maintained throughout. Intra-arterial pressure, standard limb lead electrocardiograms and respiratory movements were recorded. Under these condi...
The electromyographic (EMG) signals can be used as a control source of artificial limbs after it has been processed. The objective of this work is to achieve better classification for four different movements of a prosthetic limb making a time-frequency analysis of EMG signals which covers a feature extraction tools in the problem of the EMG signals while investigating the related dimensionalit...
Abstract Purpose of review The goal the is to highlight growing importance multisensory integration processes connected bionic limbs and somatosensory feedback restoration. Recent findings Restoring quasi-realistic sensations by means neurostimulation has been shown provide functional motor benefits in limb amputees. In recent past, cognitive linked artificial sense touch seemed play a crucial ...
Objective: The molecular changes associated with transition of melanoma cells to the invasive phenotype are poorly understood. Methods: In this study, B16-F1 melanoma cells will be transfected into a gene construct that may influence cell invasion. Expression of this gene and its coregulators will be assessed by immumohistochemistry in human archival melanoma samples, against the Breslow thickn...
a t the end of World War II the Veterans Administration faced a chaotic situation in prosthetic and sensory aids. The problems of the amputees were particularly acute. Thousands of servicemen were being discharged rapidly, fitted and trained in military and naval amputation centers with serviceable but supposedly " temporary " artificial limbs. The amputees were referred for " permanent " limbs...
in this prospective descriptive study, all patients with acute lower limb ischemia who presented to shohada tajrish hospital (sth) between july 200 1 and july 2003 were analyzed and followed for 6 months. the total population of 109 patients, with no significant difference in sexual distribution had a mean age of 64± 16 years. 23% had af and 31 % had a history of mi, 'but in the ecg of 30%...
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