نتایج جستجو برای: vitreopapillary traction
تعداد نتایج: 10869 فیلتر نتایج به سال:
METHODS 17 physicians, experienced in transvenous lead removal, performed a lead extraction manoeuvre of an ICD lead on a torso phantom. They were advised to stop traction only when further traction would be considered as harmful to the patient or when--based on their experience--a change in the extraction strategy was indicated. Traction forces were recorded with a digital precision gauge. R...
This study describes the development of a cervical traction therapy simulation model that evaluates two types of the traction positions, namely the sitting position and the inclined position. An anatomically correct human skeleton model and two mechanical traction device models were constructed in simulations using a physics engine. The anterior and posterior intervertebral separations were mea...
This study was undertaken to compare the myoelectric activity of the upper trapezius muscle before, during, and after intermittent, supine cervical traction. Twelve people with diagnosed disease or injury of the cervical spine served as subjects. Electromyographic recordings were taken from the upper trapezius muscle with bipolar surface electrodes. The subjects were treated with 20 minutes of ...
BACKGROUND Recurrent laryngeal nerve (RLN) palsy is the most serious complication after thyroidectomy. However, little is known about the degree of traction injury that causes loss of signal. The purpose of this study was to evaluate traction injuries in the swine RLN using continuous intraoperative neuromonitoring (IONM) and determine the traction power that results in loss of signal. METHOD...
In most cases it is an advantage to provide means of skeletal traction before attacking the fracture-site. Femur. 1. Thomas splint. Kirschner wire extension via tibial crest. 2. Brauns splint and skeletal traction. 3. Sliding-bed traction. Tibia and fibula. 1. Watson Jones apparatus. 2. Thomas splint and flexion-piece, with Kirschner wire extension via os calcis. 3. Brauns splint and skeletal t...
This article describes the design of a traction control system in an electric Formula Student vehicle. In many race applications the accelerator pedal is difficult to control for an in-experienced driver, especially in the case of electric vehicles, where a large torque is available from standstill. A 3-DOF driveline model is used in combination with a 7-DOF vehicle model and a non-linear tyre ...
BACKGROUND Spinal pain syndromes are among the most frequent causes of ill health. Long-lasting sustained overload results in a critical decrease in the distance between neighbouring vertebrae and radiation of pain. The aim of this study was to assess the effect of cervical traction and the TENS method on the strength of painless grip and maximum strength of the arm flexors. MATERIAL AND METH...
BACKGROUND We present a case of a macular hole formation and its spontaneous closure after vitrectomy for vitreomacular traction. To our knowledge, it is the first description of spontaneous closure of the macular hole after vitrectomy for vitreomacular traction. CASE PRESENTATION A 78-year-old woman presented decreased visual acuity and metamorphopsia in the right eye due to vitreomacular tr...
Control of vehicle traction is of utmost importance in providing safety and obtaining desired vehicle motion in longitudinal and lateral vehicle control. Vehicle traction control systems can be designed to satisfy various objectives of a single vehicle system or a platoon of vehicles in an automated highway system, which include assuring ride quality and passenger comfort. Other objectives are ...
Some aspects are illustrated of energy conversion processes during the operation of electric railway vehicles with traction induction motors, in order to support transport systems’ sustainability. Increasing efforts are being expended to enhance the sustainability of transportation technologies and systems. Since electric drive systems are used with variable voltage variable frequency (VVVF) in...
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