PubMed Journals Articles About "CellAegis Devices" RSS

05:23 EDT 25th September 2018 | BioPortfolio

CellAegis Devices PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest CellAegis Devices articles that have been published worldwide.

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Showing "CellAegis Devices" PubMed Articles 1–25 of 2,400+

Gym- based exoskeleton walking: A preliminary exploration of non-ambulatory end- user perspectives.

Robotic walking devices (RWD) have shown many physical benefits in Spinal Cord Injury (SCI) rehabilitation. No study to date has explored end-user perceptions of these devices or gained insight into the use of these devices in a gym-based setting.

Cardiac rhythm management devices

The last decade has seen ongoing evolution and use of cardiac rhythm management devices, including pacemakers, cardiac resynchronisation therapy, implantable cardioverter defibrillators and loop recorders. General practitioners are increasingly involved in follow-up and management of patients with these devices.

The regulatory ancestral network of surgical meshes.

All surgical meshes entering the U.S. market have been cleared for clinical use by the 510(k) process of the Food and Drug Administration (FDA), in which devices simply require proof of "substantial equivalence" to predicate devices, without the need for clinical trials. However, recalled meshes associated with adverse effects may, indirectly, continue to serve as predicates for new devices raising concerns over the safety of the 510(k) route.

Cecal Resection with Bipolar Sealing Devices in a Rat Model.

Bipolar sealing devices are routinely used to seal blood vessels. The aim of the study is to evaluate the feasibility and safety of colonic sealing with the use of the bipolar energy devices in rats as model for experimental appendectomy.

Patch Pumps for Insulin.

Newly developed patch pumps are starting to occupy a noticeable fraction of the insulin delivery market. New entrants, using novel technologies, promise accurate, flexible insulin delivery at lower costs. In the section, we review the currently available devices, discuss some of the devices on the horizon, and speculate about some fascinating new approaches. In this first article, we provide an overview of the simplified devices-V-Go, PAQ, and One Touch Via-and of the more complex devices-Omnipod, Cellnovo,...

Percutaneous Lead Extraction in Infection of Cardiac Implantable Electronic Devices: a Systematic Review.

In the last two decades, the increased number of implants of cardiac implantable electronic devices has been accompanied by an increase in complications, especially infection. Current recommendations for the appropriate treatment of cardiac implantable electronic devices-related infections consist of prolonged antibiotic therapy associated with complete device extraction. The purpose of this study was to analyze the importance of percutaneous extraction in the treatment of these devices infections.

Standards for testing and clinical validation of seizure detection devices.

To increase the quality of studies on seizure detection devices, we propose standards for testing and clinical validation of such devices. We identified 4 key features that are important for studies on seizure detection devices: subjects, recordings, data analysis and alarms, and reference standard. For each of these features, we list the specific aspects that need to be addressed in the studies, and depending on these, studies are classified into 5 phases (0-4). We propose a set of outcome measures that ne...

Nickel-related adverse reactions in the treatment of cerebral aneurysms: a literature review.

Nickel is the most common metal allergen and predominantly affects women. It is also the ubiquitous component in the alloys used to manufacture intracranial devices for aneurysm treatments, including aneurysm clips, self-expanding stents, flow-diverting stents and endosaccular occlusion devices. Adverse events related to nickel-allergy after deployment of such devices are uncommon but can be severe, resulting in dilemmas in the choice of treatment strategies and devices in managing nickel-sensitive patients...

Imaging features of leadless cardiovascular devices.

Cardiovascular devices and hemodynamic monitoring systems continue to evolve with the goal of allowing for rapid clinical intervention and management. Cardiovascular devices including the CardioMicroelectromechanical (CardioMEMS) device, implantable loop recorder, and right ventricular (RV) leadless pacemaker are now widely used for treatment and monitoring of advanced cardiac conditions, as many of these devices have been shown to significantly improve patient outcomes. Additionally, hemodynamic monitoring...

Effects of sterilization on the mechanical properties of poly(methyl methacrylate) based personalized medical devices.

Nowadays, personalized medical devices are frequently used for patients. Due to the manufacturing procedure sterilization is required. How different sterilization methods affect the mechanical behavior of these devices is largely unknown.

In Vitro Performance Testing of Legacy and ENFit Gastrostomy Tube Devices Under Gravity Flow Conditions.

Changes in connector design for the gastrostomy tube were implemented to reduce the risk of misconnections. This study aimed to determine whether there are differences in gravity flow rates between legacy devices and the ENFit devices intended to replace them.

Two-Dimensional MX2 Semiconductors for Sub-5 nm Junctionless Field Effect Transistors.

Two-dimensional transitional metal dichalcogenide (TMDC) field-effect transistors (FETs) are proposed to be promising for devices scaling beyond silicon-based devices. We explore the different effective mass and bandgap of the channel materials and figure out the possible candidates for high-performance devices with the gate length at 5 nm and below by solving the quantum transport equation self-constantly with the Poisson equation. We find that out of the 14 compounds, MoS₂, MoSe₂, and MoTe₂ may be u...

On the security of consumer wearable devices in the Internet of Things.

Miniaturization of computer hardware and the demand for network capable devices has resulted in the emergence of a new class of technology called wearable computing. Wearable devices have many purposes like lifestyle support, health monitoring, fitness monitoring, entertainment, industrial uses, and gaming. Wearable devices are hurriedly being marketed in an attempt to capture an emerging market. Owing to this, some devices do not adequately address the need for security. To enable virtualization and connec...

A Review on Bacteriorhodopsin-Based Bioelectronic Devices.

Bacteriorhodopsin protein extracted from is widely used in many biohybrid electronic devices and forms a research subject known as bioelectronics, which merges biology with electronic technique. The specific molecule structure and components of bR lead to its unique photocycle characteristic, which consists of several intermediates (bR, K, L, M, N, and O) and results in proton pump function. In this review, working principles and properties of bacteriorhodopsin are briefly introduced, as well as bR layer p...

Use of iontophoresis for the treatment of cancer.

Despite major advancements in cancer treatments, there are still many limitations to therapy including off-target effects, drug resistance, and control of cancer-related symptoms. There are opportunities for local drug delivery devices to intervene at various stages of cancer to provide curative and palliative benefit. Iontophoretic devices that deliver drugs locally to a region of interest have been adapted for the treatment of cancer. These devices have shown promise in pre-clinical and clinical studies f...

Comparison of orofacial thermal sensitivity assessed with simple devices and sophisticated equipment.

Simple thermal devices providing reliable data are needed to detect somatosensory disturbances in non-specialized clinical settings. Currently, evidence is lacking about their use. Therefore, the aim was to compare the assessment of perceived thermal sensitivity/pain in healthy humans with a state-of-the-art thermotester and with simple inexpensive customized thermal aluminum devices.

Optical Care in Low Vision Patients.

The numbers of low vision patients will steadily increase because of increasing longevity. It is important to be aware of those patients so that visual rehabilitation can be started as soon as possible and needed. Before the adjustment of low vision devices a diagnosis should be confirmed in order to check any therapeutic option and to ensure the best individual rehabilitation. If there is no further therapeutic option left a detailed anamnesis of the problems due to low vision should be made to ensure that...

Significant cephalad lead migration with use of externally powered spinal cord stimulator.

Spinal cord stimulation has been an effective therapy for treatment of chronic low back pain over the last four decades. Over the years, there have been significant technological advances in the neuromodulation devices. Externally powered neuromodulation devices, that do not require an internal pulse generator (IPG) implantation, have recently been approved for treatment of chronic pain and the data on potential pitfalls and unforeseen complications with these devices is minimal. Here, we report a case of a...

Recent advances in devices for vagus nerve stimulation.

Vagus nerve stimulation (VNS) has become a valuable treatment option for refractory epilepsy and depression. To improve clinical efficacy and minimize side effects, novel device technology for vagus nerve stimulation is under development and investigation. Areas covered: For epilepsy, the AspireSR® and SenTiva™ VNS therapy systems are the 2 most recently developed VNS devices. These novel devices have implemented a closed-loop approach and contain a cardiac based seizure detection algorithm. The mechanis...

Assessment of Obstetric and Gynecologic FDA Device Approvals and Recalls.

To evaluate and compare the recall rates of Obstetric and Gynecologic devices approved via the Food and Drug Administration's (FDA) 510(k) and Premarket Approval (PMA) processes DESIGN: Retrospective Observational Study (Canadian Task Force Classification II-2) SETTING: Clinical settings in the United States of America that use Obstetric and Gynecologic devices SUBJECTS: 2,249 FDA approved Obstetric and Gynecologic Devices that were recalled between November 1, 2002 and December 31, 2017.

A Lightweight Continuous Authentication Protocol for the Internet of Things.

Modern societies are moving toward an information-oriented environment. To gather and utilize information around people's modern life, tiny devices with all kinds of sensing devices and various sizes of gateways need to be deployed and connected with each other through the Internet or proxy-based wireless sensor networks (WSNs). Within this kind of Internet of Things (IoT) environment, how to authenticate each other between two communicating devices is a fundamental security issue. As a lot of IoT devices a...

Can Wearable Devices Accurately Measure Heart Rate Variability? A Systematic Review.

A growing number of wearable devices claim to provide accurate, cheap and easily applicable heart rate variability (HRV) indices. This is mainly accomplished by using wearable photoplethysmography (PPG) and/or electrocardiography (ECG), through simple and non-invasive techniques, as a substitute of the gold standard RR interval estimation through electrocardiogram. Although the agreement between pulse rate variability (PRV) and HRV has been evaluated in the literature, the reported results are still inconcl...

A Comparative Study of Medical Device Regulations:: US, Europe, Canada, and Taiwan.

The medical device industry is an industry dealing with multiple types of products covering a wide range of applications. As the safety and effectiveness of medical devices are vital to human health, the products must be managed by strict regulations according to the different risk levels. A total product life cycle regulatory system including product design, manufacture, premarket gate keeping, and postmarket monitoring is a common framework for medical device regulations. However, the variety and innovati...

Enhanced Performance of Hybrid Self-biased Heterojunction Photodetector on Soft-lithographically Patterned Organic Platform.

Nanopatterning of the active layer with feature size comparable to the wavelength of visible light is a popular strategy for improving the performance of optoelectronic devices, as these structures enhance the optical path length by light trapping due to combined contribution of multiple scattering, diffraction, and antireflection. Here, we report the fabrication of ZnO/CdS self-biased heterojunction photodetectors on soft lithographically patterned PEDOT:PSS layers with grating geometry. The present study ...

Perspective: Novel Commercial Packaging and Devices for Complementary Feeding.

In recent years, so-called baby food pouches and other novel packaging and devices have been marketed for complementary feeding. To date, no experimental studies have been conducted to determine health and nutrition effects or the safety of baby food pouches and related feeding devices. Yet, these products hold the potential to fundamentally change the ways in which infants and children consume solid foods in infancy and early childhood. In this review, a selection of complementary feeding devices and their...

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