MicroCare Medical, a supplier of
cleaners, carrier additives, coatings and lubricants, has released the DuraGlide
family of dry film lubricants. The custom-blended line of lubricants is
designed to address the specific device tolerances required by medical device
Device tolerances are specified by the design engineer to allow
reasonable leeway for variability in production of metal stampings, springs and
plastic parts. However, these tolerances often stack up against each other in
the manufacturing process, particularly during high-volume production. With its
proprietary microdispersion PTFE technology, DuraGlide dry film lubricants
deposit a thin, smooth, fast-drying lubricant film over a surface, which is
reported to reduce the force needed to actuate the
device by 25 to 30 percent.
benefits to DuraGlide dry film lubricants include its nonflammable handling,
storage and use, materials compatibility, and environmental properties that
meet Federal Environmental Protection Agency (EPA) regulations and U.S. EPA
Significant New Alternatives Program (SNAP) approval.
dry film lubricants can be custom blended for dip,
spray and aerosol applications, and are used on devices or mechanical
assemblies destined for the operating room that function outside of the body
such as catheters, cutting tools, staplers, hypotubes, and other surface-to-surface
related news, MicroCare Medical recently announced collaboration with Dow
Corning Corporation to offer DuraGlide siloxane lubricants. These lubricants are
linear polydimethylsiloxane (PDMS) based, and are individually calibrated and
mixed according to a customer's needs using Dow Corning 360 Medical Fluids and
a carrier fluid that deposits the lubricant prior to evaporating, leaving a
thin, uniform film of PDMS. Because DuraGlide siloxane lubricants are available
in liquid form and not from concentrate (as silicone lubricants are typically
delivered), this removes the need for the engineer or manufacturer to mix and
calibrate the batch themselves.
coating can be used on a variety of medical devices, such as needles, syringes,
blades or other devices that contact skin and require lubrication for better
performance and patient comfort. The
fluid is compatible with materials such as glass, metals, plastic and rubber,
and can be applied using dipping, wiping, brushing or sprays.
Researchers working with additive manufacturing have said multimaterial techniques will allow industry “to fabricate materials with combinations of density, strength, and thermal expansion that do not exist [yet].”
The term "multiphysics" is used to describe the simulation of multiple types of physics and their influence on one another -- for example, the investigation of the behavior of a chemical in liquid form will involve both chemistry and fluid dynamics.
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