Characterization of Plastic Hypodermic Needles - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Characterization of Plastic Hypodermic Needles write by Eric Busillo. This book was released on 2008. Characterization of Plastic Hypodermic Needles available in PDF, EPUB and Kindle. This thesis presents the design and testing of one type of plastic hypodermic needle. The buckling and penetration characteristics of the needles were modeled and analyzed analytically and by finite element analyses. Experimental penetration tests using steel and plastic hypodermic needles and skin mimics, specifically polyurethane film and pig skin, were performed to determine penetration and friction forces. Penetration tests also were conducted to determine whether the needles could penetrate butyl rubber stoppers that cover drug vials. Various lubricants, including silicone oil and a medical grade silicone dispersion, were also used. In addition, the needles underwent perpendicular bending tests and cannula stiffness tests. Finally, fluid flow tests were conducted to determine fluid flow rates through the needles. Experimental results were compared to each other and finite element analyses and discussed.
Production, Development, and Characterization of Plastic Hypodermic Needles
Production, Development, and Characterization of Plastic Hypodermic Needles - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Production, Development, and Characterization of Plastic Hypodermic Needles write by Jeffrey Taylor Stellman. This book was released on 2009. Production, Development, and Characterization of Plastic Hypodermic Needles available in PDF, EPUB and Kindle. Plastic hypodermic needles are a potential solution to the problem of disease spread through needle reuse. Plastics could be used to potentially reduce needle reuse as they are easier to destroy than steel. A key issue in their acceptance is the force required to penetrate a patient; a smaller force is associated with less pain. The effect that needle parameters have on the penetration force is studied in an effort to better understand how to reduce penetration forces and increase the success of penetrations for plastic needles. These parameters - geometry, tip radius, diameter, material, and lubricant - are studied through penetration, buckling, and coefficient of friction testing. The tests are conducted on steel needles, which serve as a control group, as well as two varieties of plastic needles. The outcome is a quantitative understanding of the effect that the various parameters have on penetration force, which is used to inform plastic needle design.
Desirable and Undesirable Characteristics of Offshore Yachts
Desirable and Undesirable Characteristics of Offshore Yachts - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Desirable and Undesirable Characteristics of Offshore Yachts write by Cruising Club of America. Technical Committee. This book was released on 1987. Desirable and Undesirable Characteristics of Offshore Yachts available in PDF, EPUB and Kindle. Surveys trends in yacht design, discusses safety, modern construction techniques, spars, rigging, sails, and auxiliary equipment, and describes five good boats.
Modern Textile Characterization Methods
Modern Textile Characterization Methods - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Modern Textile Characterization Methods write by Mastura Raheel. This book was released on 1996-01-02. Modern Textile Characterization Methods available in PDF, EPUB and Kindle. This work details current advances in assessing the characteristics of polymers, single fibres and fibrous systems, and associated processes based on evolving theories in the physical, chemical and mechanical sciences. It focuses on recent develpments in selected characterization methods - such as Fourier transform infrared spectroscopy, Fourier transform nuclear magnetic resonance, electron diffraction, x-ray diffraction and electron microscopy - applicatble to polymers, fibres and textiles.
Bureau of Medical Devices Standards Survey
Bureau of Medical Devices Standards Survey - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Bureau of Medical Devices Standards Survey write by . This book was released on 1982. Bureau of Medical Devices Standards Survey available in PDF, EPUB and Kindle.
