Tecnología Médica

Tecnología Médica

An optoelectronic implantable neurostimulation platform allowing full MRI safety and optical sensing and communication
21/05/2024 - A novel programmable implantable neurostimulation platform based on photonic power transfer has been developed for various clinical applications with the main focus of being safe to use with MRI...
Lead-free dual-frequency ultrasound implants for wireless, biphasic deep brain stimulation
17/05/2024 - Ultrasound-driven bioelectronics could offer a wireless scheme with sustainable power supply; however, current ultrasound implantable systems present critical challenges in biocompatibility and...
Feasibility and safety report on robotic assistance for cervical pedicle screw fixation: a cadaveric study
17/05/2024 - This cadaveric study aimed to evaluate the safety and usability of a novel robotic system for posterior cervical pedicle screw fixation. Three human cadaveric specimens and C2-T3 were included....
Development of Center of Pressure Guided Wearable Haptic Feedback System to Improve Propulsion with Rigid Ankle Foot Orthosis: A Proof-of-Concept Study in Healthy Individuals
16/05/2024 - Rigid ankle foot orthosis (RAFO) is a commonly prescribed rehabilitation treatment to immobilize the ankle during recovery after an ankle injury. However, its use affects propulsion, which impacts...
Early Inflatable penile prosthesis implantation offers superior outcomes compared to delayed insertion following ischemic priapism: a narrative review
13/05/2024 - Ischemic priapism is a urological emergency which may lead to irreversible erectile dysfunction. One of the accepted treatments is penile prosthesis implantation. Given the scarcity of studies...
The future of brain–computer interfaces in medicine
13/05/2024 - There is a worldwide race for marketable medical devices that harness brain–computer interfaces (BCIs). So far, attention has largely focused on sensors implanted in the brain and connected...
Design and validation of a wearable dynamometry system for knee extension-flexion torque measurement
13/05/2024 - Muscle strength assessments are vital in rehabilitation, orthopedics, and sports medicine. However, current methods used in clinical settings, such as manual muscle testing and hand-held...
In vitro calibration and in vivo validation of phenomenological corrosion models for resorbable magnesium-based orthopaedic implants
13/05/2024 - Metallic bioresorbable orthopaedic implants based on magnesium, iron and zinc-based alloys that provide rigid internal fixation without foreign-body complications associated with permanent...
Strengthening preclinical testing to increase safety in surgical mesh
08/05/2024 - Inflammatory and fibrotic responses to polypropylene mesh led to the withdrawal of this practice for treatment of stress urinary incontinence and pelvic organ prolapse in women in some countries....
The effect of Ding’s screws and tension band wiring for treatment of olecranon fractures: a biomechanical study
08/05/2024 - Although tension band wiring (TBW) is popular and recommended by the AO group, the high rate of complications such as skin irritation and migration of the K-wires cannot be ignored. Ding’s...
Development and validation of 3-dimensional simulators for penile prosthesis surgery
08/05/2024 - CONCLUSION: The current 3D model for penile prosthesis surgery shows promising results regarding anatomic properties and suitability to train surgeons to perform penile implant surgery. The...
Miniaturized Implantable Antenna with Ultra-Wide Bandwidth Characteristics for Leadless Pacemakers
29/04/2024 - This article presents a miniaturized antenna with a broad bandwidth tailored for use in cardiac leadless pacemakers. The proposed antenna has a compact size with a footprint of $9.44 mm^{3}$, and...
XIOSIS: an X-ray-based intra-operative image-guided platform for oncology smart material delivery
29/04/2024 - Image-guided interventional oncology procedures can greatly enhance the outcome of cancer treatment. As an enhancing procedure, oncology smart material delivery can increase cancer therapy’s...
Physical Human–Robot Interaction Based on Adaptive Impedance Control for Robotic-Assisted Total Hip Arthroplasty
29/04/2024 - The performance of human–robot interaction can be enhanced by imposing force constraints through virtual fixture (VF) algorithms. In this article, an adaptive impedance-based VF scheme is...
A mechanical-assisted post-bioprinting strategy for challenging bone defects repair
29/04/2024 - Bioprinting that can synchronously deposit cells and biomaterials has lent fresh impetus to the field of tissue regeneration. However, the unavoidable occurrence of cell damage during fabrication...
Biomechanical comparative study on external fixators of new configurations in the treatment of Tile C pelvic injury
29/04/2024 - To compare the biomechanical properties of several anterior pelvic ring external fixators with two new configurations in the treatment of Tile C pelvic fractures, in order to evaluate the...
Understanding the impact of modiolus porosity on stimulation of spiral ganglion neurons by cochlear implants
29/04/2024 - Moderate-to-profound sensorineural hearing loss in humans is treatable by electrically stimulating the auditory nerve (AN) with a cochlear implant (CI). In the cochlea, the modiolus presents a...
Through-polymer, via technology-enabled, flexible, lightweight, and integrated devices for implantable neural probes
29/04/2024 - In implantable electrophysiological recording systems, the headstage typically comprises neural probes that interface with brain tissue and integrated circuit chips for signal processing. While...
Development and validation of a clinical prediction model for ischemic stroke recurrence after successful stent implantation in symptomatic intracranial atherosclerotic stenosis
29/04/2024 - CONCLUSIONS: The predictive model constructed includes six predictive factors: CHD, smoking, multiple ICAS, SBP, ISR and fasting blood glucose. The model demonstrates good predictive ability and...