منابع مشابه
Design of a mechanical clutch-based needle-insertion device.
Insertion of trocars, needles, and catheters into unintended tissues or tissue compartments results in hundreds of thousands of complications annually. Current methods for blood vessel cannulation or epidural, chest tube, and initial trocar placement often involve the blind pass of a needle through several layers of tissue and generally rely on distinguishable anatomic landmarks and a high degr...
متن کاملthe significance of conjunction as a cohesive device in teaching writing
the research questions were as follows: 1. is there any relationship between the students concious awareness of the form and implications of the conjuncations and their improvement in using appropriate conjunctions? 2. does students knowledge of the from and the implications of the conjunctions help them to produce more coherent writings. 3. does a comparison between english conjunctions and th...
15 صفحه اولEndoscopic therapy of Zenker's diverticulum using a novel endoscopic scissor - the Clutch Cutter device.
Zenker’s diverticulum is a diverticulum of the mucosa of the pharynx above the cricopharyngeal muscle, which often causes clinical symptoms includingdysphagia, regurgitation, cough, and halitosis [1]. Endoscopic therapy is based on cutting the septum between the diverticulum and the esophageal lumen. Avariety of endoscopic methods have been used for this procedure, including laser, stapler, har...
متن کاملStuart Pimm
environment for the Sussex Emerald here, but conservationists cannot guarantee the long-term future of the species, partly because it is not known what keeps the moths so closely linked to the power station. The significance of Dungeness will also be marked in other plans for later this year. The site is set to be the site of the reintroduction of a native species of bee. The shorthaired bumble...
متن کاملStuart Schreiber
Stuart Schreiber is an Investigator at the Howard Hughes Medical Institute and Morris Loeb Professor in the Department of Chemistry and Chemical Biology at Harvard University. His chemical biology research, which uses small molecules derived from diversity-oriented synthesis, observational screens and information science, has uncovered principles that underlie information transfer and storage i...
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ژورنال
عنوان ژورنال: The Journal of Asian Gnathology
سال: 1979
ISSN: 1884-8168
DOI: 10.14399/jacd1979.1.91