نتایج جستجو برای: magnetically retrievable
تعداد نتایج: 8547 فیلتر نتایج به سال:
Most cancer CAM clinical trials are treatment or supportive care trials in phase I, II, or III status. A recent search showed that, at present, a very limited number of retrievable pharmaceutical- or industry-sponsored cancer CAM clinical trials is listed in publicly accessible databases. Two databases, Center Watch and Trial Check, focus on industry, healthcare providers, and patient advocate ...
OBJECTIVE Sudden major cerebral artery occlusion often resists recanalization with currently available techniques or can results in massive symptomatic intracranial hemorrhage (sICH) after thrombolytic therapy. The purpose of this study was to examine mechanical recanalization with a retrievable self-expanding stent and balloon in acute intracranial artery occlusions. METHODS Twenty-eight con...
This paper analyzes the mechanism of the fast response characteristic of a magnetically controlled reactor and response characteristic of magnetically controlled reactor in semi-limit saturated. A model of fast response is established based on pulse width modulation technology, and the simulation analysis is completed. The simulation results show that the response speed of magnetically controll...
BACKGROUND Despite growth in placement of retrievable inferior vena cava filters, retrieval rates remain low. Filters with extended implantation times present a challenge to retrieval, where standard techniques often fail. The development of advanced retrieval techniques has positively impacted retrieval of retrievable inferior vena cava filters with prolonged dwell times; however, there is no ...
PURPOSE We retrospectively investigated the feasibility and clinical efficacy of balloon dilatation and subsequent retrievable stent insertion, when necessitated, for pyloric spasms after pylorus-preserving gastrectomy (PPG). MATERIALS AND METHODS Forty-five patients experiencing pyloric spasms after PPG underwent fluoroscopic balloon dilations to alleviate obstructive symptoms due to delayed...
PURPOSE To review the available literature on retrievable inferior vena cava (IVC) filters to examine the effectiveness and risks of these devices. MATERIALS AND METHODS Investigators searched MEDLINE for clinical trials evaluating retrievable filters and reviewed the complications reported to the Manufacturer and User Facility Device Experience (MAUDE) database of the U.S. Food and Drug Admi...
BaFe12O19 (BaM) hexaferrite was synthesised through the coprecipitation method. BaFe12O19-activated charcoal-chitosan (BaM-AC-CS) composite ultra-sonication assisted water in oil microemulsion Morphology of BaM hexaferrite, activated charcoal, and BaM-AC-CS powder evaluated using FESEM. The average particle size 60 µm. exhibited a surface area 41.5 m2 g ?1 pore volume 0.041 cm3 g?1. magnetic be...
In this study, an eco-friendly and low-cost procedure for the synthesis of White tea plant extract modified magnetic nanocomposite ([email protected]) has been demonstrated. Ag nanoparticles (Ag NPs) were further decorated in situ over designed [email protected] exploiting derived phytochemicals as bio-reductant stabilizer. The resulting [email protected]/Ag was characterized by various analytical methods like F...
Very recently, the concept of Traceable Identity-based Encryption (IBE) scheme (or Accountable Authority Identity based Encryption scheme) was introduced in Crypto 2007. This concept enables some mechanisms to reduce the trust of a private key generator (PKG) in an IBE system. The aim of this paper is threefold. First, we discuss some subtleties in the first traceable IBE scheme in the Crypto 2...
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