Results 41 to 50 of about 552,531 (256)

Ultrasound measurement of optic nerve sheath diameter for intracranial pressure monitoring

open access: yesInterdisciplinary Neurosurgery
Changes in optic nerve sheath diameter reflect intracranial pressure (ICP) variations and can serve as indicators for noninvasive ICP measurements. This review explores the literature on the anatomical foundations of changes in the optic nerve sheath ...
Jiukun Jiang, Xiujing Xie
doaj   +1 more source

Optic nerve sheath diameter ultrasonography for elevated intracranial pressure detection

open access: yesAnnals of Clinical and Translational Neurology, 2020
Ultrasonographically measured optic nerve sheath diameter measurement has become a common noninvasive approach for detecting elevated intracranial pressure.
Li‐Juan Wang   +4 more
doaj   +1 more source

Advancing Human Skin Equivalents: The Crucial Role of Neurovascular Integration

open access: yesAdvanced Healthcare Materials, EarlyView.
This review discusses the importance of integrating vascular and peripheral nerve systems into human skin equivalents (HSEs) to better recapitulate native skin physiology. Recent advances in vascularized, innervated, and neurovascularized HSEs are highlighted, together with emerging bioengineering strategies, current challenges, and future ...
Hao Wu   +4 more
wiley   +1 more source

Optic nerve sheath carcinomatosis masquerading as optic perineuritis: The first sign of gastric cancer relapse

open access: yesThe Pan-American Journal of Ophthalmology, 2021
Optic perineuritis (OPN) is a rare inflammatory disease involving the optic nerve sheath. Most cases are idiopathic, but associations with a variety of infectious and inflammatory conditions have been described. Patients with suspected OPN should also be
Joana Roque   +3 more
doaj   +1 more source

Optic nerve hypoplasia in the fetal alcohol syndrome:a mouse model [PDF]

open access: yes, 1995
Optic nerve hypoplasia is commonly observed in children affected by the fetal alcohol syndrome, and is believed to contribute to their poor visual acuity.
Dhillon, Baljean   +3 more
core  

Hybrid Continuum Robot Designs and Architectures for Healthcare Applications

open access: yesAdvanced Robotics Research, EarlyView.
Hybrid continuum robots represent an emerging class of flexible manipulators that blend materials, structures, and actuation concepts from the established fields of soft and continuum robotics. This review introduces an accessible framework to distinguish key hybridization approaches, surveys current designs aimed at complex clinical applications, and ...
Burak Ozdemir   +4 more
wiley   +1 more source

Optic nerve cerebrospinal fluid drainage via lymphatic vessels in its sheath

open access: yesnpj Microgravity
Cerebrospinal fluid (CSF) surrounding the optic nerve is essential for nutrient transport, waste removal, and optic nerve function. Optic disc edema in astronauts during long-duration spaceflight—Spaceflight Associated Neuro-Ocular Syndrome (SANS)—may ...
Yang Xu   +12 more
doaj   +1 more source

Dural ectasia of the optic nerve sheath

open access: yesThe Pan African Medical Journal, 2014
Optic nerve dural ectasia is a rare cause of optic nerve sheath enlargement due to the accumulation of CSF around the optic nerve with no associated pathology. It diagnosed by MRI studies and can follow benign or sometimes an unfavorable course.
Hanane Hadj Kacem   +3 more
doaj   +1 more source

Functional Fibers in Soft Robotics: Advances in Material, Structural, and Systemic Tactics

open access: yesAdvanced Robotics Research, EarlyView.
Fiber‐form robotic systems offer a scalable pathway toward embodied intelligence in soft robotics. This review surveys functional fibers as material, structural, and systemic elements, highlighting advances in responsive materials, architectural programing, and fabrication strategies.
Joonhee Won   +5 more
wiley   +1 more source

A Transnasal Endoscope for Robotically Assisted Gastroscopy

open access: yesAdvanced Robotics Research, EarlyView.
This work introduces a 4.25 mm diameter magnetically navigated transnasal endoscope for upper gastrointestinal (GI) screening and intervention. The system enables precise remote steering throughout the upper GI tract and is demonstrated through in vitro and in vivo experiments, including the robotic execution of preprogrammed retroflexions, trans ...
Alexandre Mesot   +6 more
wiley   +1 more source

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