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Mesh medical device

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https://www.readbyqxmd.com/read/29766347/towards-alternative-approaches-for-coupling-of-a-soft-robotic-sleeve-to-the-heart
#1
Markus A Horvath, Claudia E Varela, Eimear B Dolan, William Whyte, David S Monahan, Christopher J Payne, Isaac A Wamala, Nikolay V Vasilyev, Frank A Pigula, David J Mooney, Conor J Walsh, Garry P Duffy, Ellen T Roche
Efficient coupling of soft robotic cardiac assist devices to the external surface of the heart is crucial to augment cardiac function and represents a hurdle to translation of this technology. In this work, we compare various fixation strategies for local and global coupling of a direct cardiac compression sleeve to the heart. For basal fixation, we find that a sutured Velcro band adheres the strongest to the epicardium. Next, we demonstrate that a mesh-based sleeve coupled to the myocardium improves function in an acute porcine heart failure model...
May 15, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29649079/in-search-of-mobile-applications-for-urogynecology-providers
#2
Shannon L Wallace, Shailja Mehta, Sara Farag, Robert S Kelley, Katherine T Chen
INTRODUCTION: Thousands of medical applications (apps) are available for mobile devices. Finding accurate, health care provider-centered apps may be time consuming and frustrating for urogynecologists. The objective of this study was to identify and evaluate urogynecology (urogyn) apps using a modified APPLICATIONS scoring system. MATERIALS AND METHODS: Urogyn apps were identified from the Apple iTunes and Google Play Stores using the following 10 MeSH terms: urogynecology, incontinence, prolapse, urinary tract infection, pelvic surgery, fecal incontinence, defecation disorder, voiding disorder, urethral diverticulum, and fistula...
April 11, 2018: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/29520389/an-evaluation-of-the-manufacturer-and-user-facility-device-experience-database-that-inspired-the-united-states-food-and-drug-administration-s-reclassification-of-transvaginal-mesh
#3
Jason M Sandberg, Ian Gray, Amy Pearlman, Ryan P Terlecki
Purpose: To assess the utility of the Manufacturer And User Facility Device Experience (MAUDE) database in objectively capturing adverse events for transvaginal mesh in the United States. Materials and Methods: We reviewed 1,103 individual medical device reports submitted to the MAUDE database that inspired the United States (US) Food and Drug Administration's 2008 Public Health Notification. Entries were compiled into a categorical database that reported manufacturer, brand, reporter type, report source, and type of adverse event...
March 2018: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/29501256/-computer-assisted-therapy-and-video-games-in-psychosocial-rehabilitation-for-schizophrenia-patients
#4
G Brun, H Verdoux, G Couhet, C Quiles
OBJECTIVES: Video games and virtual reality have recently become used by clinicians for training or information media or as therapeutic tools. The purpose is to review the use of these technologies for therapy destined for schizophrenia patients. METHODS: We conducted a review in October 2016 using Pubmed, Scopus and PsychInfo using the following Medical Subject Headings (MESH): "video games", "virtual reality" and "therapy, computer-assisted/methods", each associated with "schizophrenia"...
February 28, 2018: L'Encéphale
https://www.readbyqxmd.com/read/29485108/fabrication-characterization-and-in-vitro-evaluation-of-triboelectric-nanogenerator-based-on-317-l-stainless-steel-and-polylactic-acid
#5
Wei Li, Xiaoxue Xu, Wenjiang Li, Yun Zhao, Minfang Chen
A novel, cost-effective biomedical triboelectric nanogenerator (TENG) has been fabricated based on biocompatible medical 317 L stainless steel (317 L SS) and polylactic acid (PLLA) films as the friction layers, whose surface roughness was designed by simple and low-cost laser etching and hot-embossing template methods, respectively. With the increase of the TENG's tribo-interface roughness and the molecular weight of the PLLA, the power output of TENG was greatly increased owing to more charges being produced and the excellent mechanical properties PLLA possessed...
May 18, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29458868/stress-response-of-a-clinical-enterococcus-faecalis-isolate-subjected-to-a-novel-antimicrobial-surface-coating
#6
Emanuel Clauss-Lendzian, Ankita Vaishampayan, Anne de Jong, Uwe Landau, Carsten Meyer, Jan Kok, Elisabeth Grohmann
Emerging antibiotic resistance among pathogenic bacteria, paired with their ability to form biofilms on medical and technical devices, represents a serious problem for effective and long-term decontamination in health-care environments and gives rise to an urgent need for new antimicrobial materials. Here we present the impact of AGXX® , a novel broad-spectrum antimicrobial surface coating consisting of micro-galvanic elements formed by silver and ruthenium, on the transcriptome of Enterococcus faecalis. A clinical E...
March 2018: Microbiological Research
https://www.readbyqxmd.com/read/29419813/biodegradable-and-biocompatible-polyhydroxy-alkanoates-pha-auspicious-microbial-macromolecules-for-pharmaceutical-and-therapeutic-applications
#7
REVIEW
Martin Koller
Polyhydroxyalkanoates (PHA) are bio-based microbial biopolyesters; their stiffness, elasticity, crystallinity and degradability are tunable by the monomeric composition, selection of microbial production strain, substrates, process parameters during production, and post-synthetic processing; they display biological alternatives for diverse technomers of petrochemical origin. This, together with the fact that their monomeric and oligomeric in vivo degradation products do not exert any toxic or elsewhere negative effect to living cells or tissue of humans or animals, makes them highly stimulating for various applications in the medical field...
February 8, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29381054/mesh-nanoelectronics-seamless-integration-of-electronics-with-tissues
#8
Xiaochuan Dai, Guosong Hong, Teng Gao, Charles M Lieber
Nanobioelectronics represents a rapidly developing field with broad-ranging opportunities in fundamental biological sciences, biotechnology, and medicine. Despite this potential, seamless integration of electronics has been difficult due to fundamental mismatches, including size and mechanical properties, between the elements of the electronic and living biological systems. In this Account, we discuss the concept, development, key demonstrations, and future opportunities of mesh nanoelectronics as a general paradigm for seamless integration of electronics within synthetic tissues and live animals...
February 20, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29238826/a-re-engineered-software-interface-and-workflow-for-the-open-source-simvascular-cardiovascular-modeling-package
#9
Hongzhi Lan, Adam Updegrove, Nathan M Wilson, Gabriel D Maher, Shawn C Shadden, Alison L Marsden
Patient-specific simulation plays an important role in cardiovascular disease research, diagnosis, surgical planning and medical device design, as well as education in cardiovascular biomechanics. simvascular is an open-source software package encompassing an entire cardiovascular modeling and simulation pipeline from image segmentation, three-dimensional (3D) solid modeling, and mesh generation, to patient-specific simulation and analysis. SimVascular is widely used for cardiovascular basic science and clinical research as well as education, following increased adoption by users and development of a GATEWAY web portal to facilitate educational access...
February 1, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29219253/first-experience-of-the-usage-of-a-gore-cardioform-septal-occluder-device-for-treatment-of-a-significant-residual-commissural-mitral-regurgitation-jet-following-a-mitraclip-procedure
#10
Yoshifumi Nakajima, Saibal Kar
The MitraClip (Abbott Vascular, Santa Clara, CA) procedure has emerged as a safe and effective treatment option for treatment of selected patients with severe mitral regurgitation (MR) who are at high risk for surgery. Effective reduction of MR is important to ensure an optimal clinical outcome. We present here the first case report of a significant commissural leak after a MitraClip procedure treated with a GORE CARDIOFORM Septal Occluder device (WL Gore & Associates, Flagstaff, AZ). CASE REPORT: An 81-year-old male presented with symptomatic recurrent MR following a MitraClip procedure using two clips...
December 8, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29167030/comparison-of-bronchodilator-administration-with-vibrating-mesh-nebulizer-and-standard-jet-nebulizer-in-the-emergency-department
#11
Robert B Dunne, Sandra Shortt
INTRODUCTION: Projects comparing bronchodilator response by aerosol devices in the ED are limited. Evidence suggests that the vibrating mesh nebulizer (VMN) provides 5-fold greater aerosol delivery to the lung as compared to a jet nebulizer (JN). The aim of this project was to evaluate a new nebulizer deployed in an Emergency Department. METHODS: A quality improvement evaluation using a prospectively identified data set from the electronic medical record comparing all ED patients receiving aerosolized bronchodilators with the JN during September 2015 to those receiving aerosolized bronchodilators with the VMN during October 2015...
October 31, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29133265/critical-under-reporting-of-hernia-mesh-properties-and-development-of-a-novel-package-label
#12
Lindsey G Kahan, Jeffrey A Blatnik
BACKGROUND: With an array of hernia meshes with varying properties, intraoperative decision making for the optimal mesh is critical. Although meshes are subjected to regulatory review through the Food and Drug Administration, it is unknown whether mesh properties are visually accessible. To facilitate greater knowledge for the surgeon on mesh choice, we aimed to comprehensively analyze hernia mesh packaging and regulations. STUDY DESIGN: Labeling guidelines and 510(k) requirements across Food and Drug Administration-regulated products were analyzed and compared with mesh packaging...
February 2018: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29019097/efficacy-of-conventional-and-liposomal-povidone-iodine-in-infected-mesh-skin-grafts-an-exploratory-study
#13
Peter M Vogt, Joerg Hauser, Stefan Mueller, Bjoern Bosse, Michael Hopp
INTRODUCTION: Infection is a major threat to wound healing and a leading cause of graft loss in patients undergoing meshed skin grafts (MSGs). Therefore, topical antisepsis is important in the overall treatment scheme. METHODS: An exploratory satellite group of 14 patients with infected MSGs were enrolled as part of a prospective, randomized, controlled, parallel-group, open-label, pilot Phase II study that investigated the efficacy and tolerability of 3% liposomal povidone-iodine hydrogel (PVP-ILH, Repithel® ; RepiGel® ) versus chlorhexidine gauze in non-infected MSGs...
December 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/28882385/lung-deposition-and-systemic-bioavailability-of-different-aerosol-devices-with-and-without-humidification-in-mechanically-ventilated-patients
#14
RANDOMIZED CONTROLLED TRIAL
Islam O F Moustafa, Mohammed R A-A Ali, Moataz Al Hallag, Hoda Rabea, James B Fink, Patricia Dailey, Mohamed E A Abdelrahim
BACKGROUND: During mechanical ventilation medical aerosol delivery has been reported to be upto two fold greater with dry inhaled gas than with heated humidity. Urine levels at 0.5 h post dose (URSAL0.5%) has been confirmed as an index of lung deposition and 24 h (URSAL24%) as index of systemic absorption. Our aim was to determine the effect of humidification and aerosol device type on drug delivery to ventilated patients using urine levels. METHODS: In a randomized crossover design, 36 (18female) mechanically ventilated patients were assigned to one of three groups...
November 2017: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/28876614/significant-clinical-and-patient-reported-outcomes-at-6-months-following-hernia-repair-with-an-absorbable-fixation-device
#15
H Bougard, C Doerhoff, S Bringman, M Chudy, C Romanowski, P Jones
BACKGROUND: Surgeons utilise various mesh fixation methods during hernia repair which may include tacks/straps and/or sutures. One of these tack/strap choices, is an absorbable fixation device, Securestrap® (ETHICON, Somerville, NJ), consisting of polydioxanone and L (-)-lactide/glycolide copolymer. The 6 month clinical results and patient outcomes with Securestrap® fixation are reported. METHOD: The International Hernia Mesh Registry, prospective multi-centre registry, designed to collect patient reported, longitudinal data on hernia mesh products and fixation methods...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28808824/gasless-single-incision-laparoscopic-inguinal-hernia-repair-initial-experience
#16
M W V Ng, K C Ng
PURPOSE: Laparoscopic hernioplasty has been gaining its popularity in the past decade for its rapid recovery. Single-incision surgery, as its possible advancement, has also received more attention. Traditional laparoscopic surgery with carbon dioxide insufflation precluded patients with underlying cardiovascular or pulmonary disease from minimal invasive surgery. We report our early experience with gasless single-incision laparoscopic inguinal hernia repair via totally extraperitoneal (TEP) approach...
October 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28797120/medication-eluting-devices-for-the-field-of-obgyn-medobgyn-3d-printed-biodegradable-hormone-eluting-constructs-a-proof-of-concept-study
#17
Karthik Tappa, Udayabhanu Jammalamadaka, David H Ballard, Todd Bruno, Marissa R Israel, Harika Vemula, J Mark Meacham, David K Mills, Pamela K Woodard, Jeffery A Weisman
3D printing has the potential to deliver personalized implants and devices for obstetric and gynecologic applications. The aim of this study is to engineer customizable and biodegradable 3D printed implant materials that can elute estrogen and/or progesterone. All 3D constructs were printed using polycaprolactone (PCL) biodegradable polymer laden with estrogen or progesterone and were subjected to hormone-release profile studies using ELISA kits. Material thermal properties were tested using thermogravimetric analysis and differential scanning calorimetry...
2017: PloS One
https://www.readbyqxmd.com/read/28770120/laparoscopic-repair-of-a-large-paraesophageal-hernia-with-migration-of-the-stomach-into-the-mediastinum-creating-an-upside-down-stomach
#18
Nasser Sakran, Hadar Nevo, Ron Dar, Asnat Raziel, Dan Hershko
Upside-down stomach is a relatively rare type of a large paraesophageal hernia characterized by the migration of the stomach into the posterior mediastinum. Upside-down stomach is prone to severe complications and therefore surgery is recommended even in asymptomatic patients. A 62-year-old male presented with frequent abdominal pain with nausea and vomiting that persisted for one year. The patient was obese with fatty liver and was treated medically for gastroesophageal reflux disease (GERD) for 4 years. On upper gastrointestinal CT study a level-IV paraesophageal hernia was detected with upside-down stomach, and he was referred for elective surgery...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/28746980/single-incision-sling-operations-for-urinary-incontinence-in-women
#19
REVIEW
Arjun Nambiar, June D Cody, Stephen T Jeffery, Patricia Aluko
BACKGROUND: Urinary incontinence has been shown to affect up to 50% of women. Studies in the USA have shown that up to 80% of these women have an element of stress urinary incontinence. This imposes significant health and economic burden on society and the women affected. Colposuspension and now mid-urethral slings have been shown to be effective in treating patients with stress incontinence. However, associated adverse events include bladder and bowel injury, groin pain and haematoma formation...
July 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28745703/-creative-surgery-for-hiatal-hernia
#20
O V Galimov, V O Khanov, D Z Mamadaliev, R R Sayfullin, R R Sagitdinov
AIM: To present an experience of surgical treatment of hiatal hernia. MATERIAL AND METHODS: An experience of more than thousand laparoscopic fundoplications in various modifications has been accumulated in the Clinic of Bashkir State Medical University for the period 2001-2016. RESULTS: An original device for intraoperative measurement of hiatal orifice is described. Hiatal orifice repair was indicated in case of its dimension over 3.5 cm...
2017: Khirurgiia
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