Results 91 to 100 of about 37,649 (295)
Advanced Intelligent Systems, EarlyView.This work presents a tip‐growing eversion robot that uses phase‐changing alloys for reversible stiffening and localized actuation, achieving 43× stiffness modulation, 15× force amplification, and segmental steering. The system enables precise navigation and force delivery in constrained, tortuous pathways.
Shamsa Al Harthy +4 more
wiley +1 more source
Artificial muscle: facts and fiction
Swiss Medical Weekly, 2011 Mechanical devices are sought to support insufficient or paralysed striated muscles including the failing heart. Nickel-titanium alloys (nitinol) present the following two properties: (i) super-elasticity, and (ii) the potential to assume different
MC Schaub
doaj +1 more source
Dislocation of a cerebral protection device component during carotid stenting: A case report of favorable outcome from conservative management after failure of retrieval [PDF]
, 2018 tINTRODUCTION: Cerebral-protection devices (CPDs) are a well-established system for reduction ofembolic risk in carotid artery angioplasty and stenting (CAS).
Avruscio, Giampiero +3 more
core +2 more sources
Global Spine Journal, 2020 Study Design: Biomechanical investigation. Objective: To compare the biomechanical performance of nitinol memory metal rods and titanium rods when used as posterior spinal instrumentation in a synthetic model. Methods: Biomechanical testing was performed
P. Massey +8 more
semanticscholar +1 more source
Advanced Intelligent Systems, EarlyView.This work presents compact, low‐voltage actuators based on electropermanent magnetic interactions. The actuators show good overall performance across key metrics and are implemented in wearable devices and untethered robots. Their ability to operate in different configurations and hold positions without energy input highlights their potential for ...
Arturo Castillo Ugalde +4 more
wiley +1 more source
Current Directions in Biomedical Engineering, 2018 For the treatment of deafness or severe hearing loss cochlear implants (CI) are used to stimulate the auditory nerve of the inner ear. In order to produce an electrode array which is both atraumatic and reaches a perimodiolar final position a design ...
Rau Thomas S. +5 more
doaj +1 more source
Journal of The Mechanical Behavior of Biomedical Materials, 2020 Computational modeling and simulation are commonly used during the development of cardiovascular implants to predict peak strains and strain amplitudes and to estimate the associated durability and fatigue life of these devices.
K. Aycock +5 more
semanticscholar +1 more source
Soft Artificial Ciliary Brush with Integrated Haptic Feedback for Efficient Airway Mucus Cleaning
Advanced Intelligent Systems, EarlyView.A fundamental mucus cleaning mechanism is reported, which utilizes both artificial cilia mechanical sweeping and suction‐based mucus cleaning. A novel haptic feedback interface for the artificial cilia provides touch feedback on tissue contact, enhancing operator control and safety.
Zhongming Lyu +7 more
wiley +1 more source
Redox‐Responsive Mitochondrial Delivery from Functionalized Vascular Stent Surfaces
Advanced NanoBiomed Research, EarlyView.A redox‐responsive stent surface is engineered to deliver functional mitochondria in response to oxidative stress. Upon exposure to reactive oxygen species, grafted mitochondria are released, internalized by vascular cells, and restore mitochondrial function under stress.
Fang Tang +3 more
wiley +1 more source
Current Directions in Biomedical EngineeringIn this study, a measurement setup was developed to determine the frictional properties between tissue-mimicking and implant materials. Nitinol and Polytetrafluoroethylene (PTFE) were selected as implant materials, while Polyvinyl alcohol (PVA) hydrogel ...
Karcher Alisa +3 more
doaj +1 more source