Results 171 to 180 of about 27,379 (235)

The Supraorbital Keyhole Approach

open access: yesJournal of Craniofacial Surgery, 2015
Aim: The major aim of the present anatomical study was to demonstrate the anatomical structures that can be visualized using the supraorbital keyhole approach, both endoscopically and microscopically, from an eyebrow incision to intracranial structures. Furthermore, it defines an optimal craniotomy for surgery.
Tatarli N   +5 more
core   +6 more sources

Scaling laws for the laser welding process in keyhole mode [PDF]

open access: yesJournal of Materials Processing Technology, 2019
This study shows that the keyhole model derived for determining the scaling laws of keyhole depths for laser welding when high power incident laser beams are used (typically in the multi-kW incident power range), can be also applied to determine the ...
Remy Fabbro
exaly   +2 more sources
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Keyhole Pupil

Journal of Ophthalmology and Visual Sciences, 2021
Iris coloboma is a cleft caused by defects in the closure of embryonic fissure, typically, it affects the tissue in the inferonasal quadrant of the eye. We report a case of a 15 years old patient with a typical aspect of “keyhole pupil” which corresponds to inferonasal deficit of the iris tissue.
Taouri N   +5 more
openaire   +1 more source

Keyhole and multi-keyhole MIMO channels: Modeling and simulation

2011 8th International Conference on Information, Communications & Signal Processing, 2011
A simple and effective simulation model for keyhole multiple-input multiple-output (MIMO) channels is introduced. The keyhole is modeled as a pair of transmitting and receiving antennas relaying multipath signals from the transmitter region to the receiver region.
Hieu Duy Nguyen, Xuan Wang, Hon Tat Hui
openaire   +1 more source

Keyholes in Acetabular Preparation

HIP International, 2002
None.
A D, Reading   +2 more
openaire   +2 more sources

Keyhole Aqueduct Syndrome

Archives of Neurology, 1986
Communicating syringes confined to the brain stem are extraordinarily rare. Two patients, presenting with signs and symptoms of cerebellar dysfunction, later developed evidence of brain-stem disease with dysarthria, nystagmus, deafness, and internuclear ophthalmoplegia. The condition of both patients had been diagnosed clinically as multiple sclerosis,
S M, de la Monte   +3 more
openaire   +2 more sources

The Keyhole Concept in Neurosurgery

World Neurosurgery, 2013
Improvements in preoperative diagnostic imaging as well as in microsurgical techniques significantly advanced the development of transcranial neurosurgery, allowing the treatment of complicated diseases through smaller and more specific approaches.In this article, authors overviewed their experience in transcranial endoscope-assisted microsurgery ...
Robert, Reisch   +3 more
openaire   +2 more sources

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