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MD addresses
‘stickability’
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by Joe Jancsurak, Editor
When it comes to surface treatments for medical devices made of
polymers, there are two main processing objectives: stickability and
wettability. Advanced techniques such as air plasma, flame plasma, and
chemical plasma discharges are achieving these objectives by altering
the first few atomic layers of the polymer to render surfaces wettable
so that adhesive bonding to difficult materials such as polyolefins,
silicones, and fluoropolymers can be achieved. More on surface treatment
advancements is found in the current issue of Medical Design.
Other topics in this month’s issue:
• Putting the ‘rapid’ into injection molding
• Working with foreign patent preparers
• Robotic surgical assistant
• Human tissue modeling
• Students design low-cost prosthetic hand
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The call by the FDA to supply safety and effectiveness data on 25 types
of medical devices sold before 1976 is receiving favorable industry
support.
Full Article
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Sustaining Engineering breathes new
life into old product
 A leading diagnostic
systems manufacturer launched a new FDA-approved product without the
usual cost of new product development. How? Software enhancements to an
existing clinical chemistry system improved throughput 10% to 25% and
time-to-first-result up to 12%. These dramatic improvements allowed the
manufacturer to launch the improved system as a new model—creating new
revenue fast, and boosting customer satisfaction. This Sustaining Engineering effort was executed by
RTEmd, the manufacturer’s partner for outsourced medical software
development.
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The more wired a hospital, the better off its patients. That’s the
conclusion of a study of Texas hospitals that hospitals with electronic
record-keeping and ordering systems tend to have fewer patient deaths,
patient complications, and lower patient bills. Unfortunately, only a
small number of hospitals and doctors' offices in the U.S. are wired. A
$20 billion cash influx, part of the U.S. government's proposed stimulus
bill, is expected to change that.
Full Article
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Epilepsy is Newsweek’s April 20
cover story. The 13-page feature includes information on intracranial
electrical stimulation systems now in late-stage clinical trials.
Full Article
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North America’s largest annual rapid manufacturing conference and
exposition, The Rapid Conference & Exposition set for May 11-14
at the Schaumburg Renaissance Hotel & Convention Center, Schaumburg, IL,
will devote much of its program to medical applications. Launched in
1988, the event is sponsored by the Society of Manufacturing Engineers
(SME).
Full Article
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Thick-film planar resistive heating elements by IRC (TT
Electronics), Corpus Christi, TX, enable “instant on/instant
off” temperature control for sensitive medical applications.
Full Article
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The winding of vascular grafting material must be highly controlled to
ensure the material’s correct functioning after surgery. A combination
of a HepcoMotion driven linear system (DLS), a GV3 slide, and an MCS
aluminum frame from Bishop-Wisecarver Corp, Pittsburgh, provide
the necessary smooth motion for consistent stretching and winding.
Full Article
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ME001 miniature test connectors for medical-device leak testing have
metric thread options. The connectors are by FastTest,
Minneapolis. They are capable of sealing outside diameters (OD) down to
0.38 mm (0.015 in.) and are designed for leak testing infusion-set and
drug-delivery devices.
Full Article
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www.bokers.com/mee
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Contact Information
Editorial questions:
Joe Jancsurak
216-931-9822
Advertising/sponsorship opportunities: Virginia Goulding
216-931-9893
Medical Design
1300 E. 9th St.
Cleveland, OH 44114
©2009 Penton Media, Inc. All rights reserved.
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