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Keywords: polymers
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Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. March 2011, 5(1): 014502.
Published Online: February 17, 2011
... a convergence analysis for each one. Convergence is reached once the results of two meshes, with a difference in number of elements (SOLID92) of not less than 10,000, differ in less than 5% in terms of the maximum von Mises stress, strain, and displacements. In Venezuela, the list of polymers found in bars...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Med. Devices. December 2010, 4(4): 041007.
Published Online: December 6, 2010
...João S. Soares; James E. Moore, Jr.; Kumbakonam R. Rajagopal The use of biodegradable polymers in biomedical applications has been successful in nonload bearing applications, such as biodegradable implants for local drug delivery, and in simple load bearing situations such as surgical sutures...
Journal Articles
Publisher: ASME
Article Type: Design Innovations
J. Med. Devices. December 2010, 4(4): 045001.
Published Online: October 12, 2010
... the plastolock shaft-guide concept, which uses thermoplastics that are reversibly switched from rigid to compliant by changing their temperatures from 5 ° C to 43 ° C . These materials are used to make a shaft that can be rendered flexible to follow the flexible endoscope and rigid to guide it. To find polymers...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2010, 4(2): 027519.
Published Online: August 10, 2010
... concept, which uses thermoplastics that are reversibly switched from rigid to compliant by changing their temperature from 5 ° C to 43 ° C . These materials are used to make a shaft that can be rendered flexible to follow the flexible endoscope and rigid to guide it. To find polymers that are suitable...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Med. Devices. June 2010, 4(2): 021004.
Published Online: August 4, 2010
..., can be used not only to quantify the severity of the foot deformity but to design a custom orthotic as well. Also, the new procedure allows the custom orthotic to be designed and analyzed within a day. The new orthotic design is composed of soft foam interior layers and a polymer supportive exterior...
Journal Articles
Publisher: ASME
Article Type: Design Innovations
J. Med. Devices. December 2009, 3(4): 045001.
Published Online: October 16, 2009
... describes the fabrication and preliminary testing of a novel aneurysm occlusion device composed of a single metal coil surrounded by a biocompatible polymer shell. These coil-in-shell devices were tested under flow conditions in synthetic in vitro models of saccular aneurysms and deployed in vivo in a short...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. September 2009, 3(3): 034503.
Published Online: September 1, 2009
... drops drug delivery systems elemental semiconductors membranes micromechanical devices polymers silicon microsphere uniformity drug delivery silicon membrane perforation PLGA As biotechnology grows, protein and peptide drugs are considered as important therapeutic agents...
Journal Articles
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027549.
Published Online: July 24, 2009
... stethoscope features or developing a device that, when used with the stethoscope, augments sound capturing abilities at lower frequencies. Testing necessitated development of a reliable (without significant intra-sound variation) cardiac sound reproduction device. A sound permeable contracting polymer when...
Journal Articles
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027545.
Published Online: July 24, 2009
... functional MRI performance. Conolly et al. have successfully used pyrolytic graphite in foam to reduce image artifacts at air-tissue interfaces. In this study, it was hypothesized that coating a metallic object with carbon particles suspended in a polymer can reduce the size of image artifacts. Four 6Al-4V...
Journal Articles
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027547.
Published Online: July 24, 2009
... properties of three novel compounds, S-nitroso-2-methoxybenzene, S-nitroso-3-methoxybenzene and S-nitroso-2-chlorobenzene. Ultimately, these compounds will be tethered to the surface of polymer fillers that will then be blended into hydrophobic polymers and used as coatings on biomedical devices. A model...
Journal Articles
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027534.
Published Online: July 9, 2009
.... Results from these experiments will help eliminate concepts which cannot deflect the necessary amount for the volume change, further refining the concepts towards a solution. 09 07 2009 biomedical materials compensation laser sintering polymers powders prosthetics tensile strength...
Journal Articles
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027521.
Published Online: July 8, 2009
..., University of MN, and his lab graciously provided the neonate rat islets and advice. biochemistry biodiffusion biomembrane transport diseases patient treatment polymers proteins 08 07 2009 2009 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027524.
Published Online: July 8, 2009
.... Elevated levels of some proteins in the blood can lead to a number of medical conditions. Incorporating these polymers into a device for blood purification to remove such molecules can be used as a means to combat these problems. Protein imprinting was studied from a novel perspective using protein coated...
Journal Articles
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027519.
Published Online: July 8, 2009
.... Data will be presented that show the synthesis and NO-release properties of three novel compounds, S-nitroso-2-methoxybenzene, S-nitroso-3-methoxybenzene and S-nitroso-2-chlorobenzene. Ultimately, these compounds will be tethered to the surface of polymer fillers that will then be blended...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027505.
Published Online: June 30, 2009
... the algorithm for a larger sensing strip array. 30 06 2009 biomedical materials magnetisation magnetoelastic effects orthopaedics polymers pressure measurement pressure sensors prosthetics surgery wear 2009 American Society of Mechanical Engineers ...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Med. Devices. December 2008, 2(4): 041006.
Published Online: November 19, 2008
.... 04 10 2007 25 08 2008 19 11 2008 haptic interfaces medical robotics pneumatic actuators polymers surgery tactile sensors The word “haptic” refers to the ability to sense the environment through touch. In applications such as virtual reality simulation and robotic...
Journal Articles
Publisher: ASME
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2008, 2(2): 027551.
Published Online: June 25, 2008
... health by leading to a better implant design and providing a convenient way to detect wear and tear of knee implants. 25 06 2008 bone magnetic sensors polymers prosthetics strain sensors wear 2008 American Society of Mechanical Engineers ...
Journal Articles