Hose barbs are a common feature on fittings and connectors. However, several key factors need to be considered when designing these. This column discusses how all barbs are not created equal.
Q: I have an application that requires me to design a molded hose barb. What key factors should be considered?
A: Sealing a length of flexible tubing on a barb seems like a straightforward process. Create a barb and shove the tubing over it. However, anyone that has worked with hose barb and tubing, whether on their home irrigation system or a complex medical device knows that not all barbs are created equal. Continue reading » |
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by Terri Marion
GW Silicones
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Liquid Silicone Rubber or LSR is a thermoset elastomer based on silicone dioxide (sand). And in recent years, use of LSR is growing in usage and popularity. This installment of Ask the Engineer addresses some questions on uses of LSR in medical devices, how it can be injection molded, and 2K molding (multi-component LSR molding).
Q: Several of my customers have specified LSR for their new medical devices. What is LSR and why is it growing in usage and popularity?
A: LSR (Liquid Silicone Rubber) is a thermoset elastomer based on silicone dioxide - sand. Silicones consist of alternating silicon and oxygen molecules that are reacted with methyl chloride to create polydimethylsiloxane (PDMS). Continue reading »
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Medical silicone adhesives have been designed to excel at that balancing act of achieving adequate adhesion levels to a wide range of skin types during device attachment, yet causing low mechanical trauma during removal.
When adhering to skin, the goal is to hold the device in place until it is time to remove it and to not damage the skin, either during wear or at the time of removal. Continue reading »
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eMDR BUSINESS CASE MODEL
The FDA will no longer accept paper 3500A MedWatch forms when eMDR becomes law. To comply with the new law, companies will be forced to either manually enter MDRs in the FDA's Webtrader system or use an electronic system to automatically generate eMDR records.
This webcast provides a step-by-step approach to help quantify the benefits, or return of investment of deploying TrackWise to generate eMDR records. This tool is designed to walk you through the steps - with your own unique scenario and assumptions - to determine the expected benefits for your organization. View the webcast now.
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MEDICAL MICRO MOLDING SOLUTIONS
Accumold is the industry leader in Micro-Mold® parts for the medical industry. With extensive experience molding medical-grade thermoplastics including PEEK, PC and PSU; three class 100,000 clean rooms; and skill at working with the timelines dictated by medical testing and regulation processes, Accumold is ready for your most challenging medical component.
Select any of the following medical applications to link to a detailed description of some examples of how we helped others. Medical Application Examples: 2-Shot Micromolding, Micro Mold Battery Door, Micro Mold Tip, Small Mold Plastic Transformer Support, Small Mold Pupil Dilator
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YOUR SINGLE-SOURCE PARTNER FROM CONCEPT TO MARKET
The healthcare market demands a dynamic partner with industry experience, innovation, and quality systems you can trust. GW Plastics specializes in complex injection molded solutions and provides single source responsibility for precision molded thermoplastic and silicone components and assemblies. GW excels at product development, in-house precision tooling, scientific injection molding, and contact manufacturing with a matrix of competencies geared toward innovative problem solving, Six Sigma quality and speed to market. With standardized ISO 13485 cleanroom manufacturing facilities located in the United States, Mexico, China and Costa Rica, we are never far from our customers. Learn more, visit www.GWPlastics.com.
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DYMAX 200 SERIES CATHETER ADHESIVES
The Dymax "CTH" line of catheter adhesives are formulated to meet the unique challenges associated with the intricate design and assembly of catheter materials. Dymax catheter adhesives provide:
* Increased throughput with "cure on demand" UV/Visible
light cure
* Reduced waste with RoHS-compliant, solvent-free, one-component formulations
* Fast, low stress assembly of lumens, guidewires, balloons, hubs, and tube sets
* Excellent adhesion to Nylon, PEBAX, PEEK, Polyurethane, and Polyethylene
* Patented fluorescing and See-Cure additives available in formulations to facilitate bead placement and post Q.C. inspection
* Compatibility with gamma, EtO and E-Beam sterilization
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EVER BEEN AMAZED BY THE POWER OF ANTS?
Fluid technology specialist Bürkert presents the TwinPower technology - a unique actuator for solenoid valves. Power density is increased by means of two coils - making solenoid valves considerably smaller, whilst retaining power and reducing energy consumption: Just like ants - nature's unique power.
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NEW 2012 QOSINA CATALOG
Qosina is a worldwide supplier of thousands of stock OEM components to the medical and pharmaceutical industries including connectors, luers, caps, clamps, adapters, stopcocks, valves, swabs, spikes and tubing. Qosina offers free samples, low minimums and Just-in-Time (JIT) delivery. Purchasing from Qosina saves you time and money by eliminating tooling costs and providing immediate delivery of in-stock solutions based on the specific needs of your project. We can modify any existing component to meet your needs or build new tooling to meet your exact requirements. We are also ISO 9001 and 14001 certified.
Contact us today for a copy of our catalog.
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Design Controls for Medical Devices
A Competitive Advantage from Concept to Market
June 27-28 Philadelphia, PA
Top industry experts share knowledge and best practices on creating a robust design control program and turning a regulatory and engineering requirement into a true competitive advantage.
Who should attend: Design, process, and manufacturing engineers, internal auditors, QA/QC/RA managers, R&D managers, management.
Register before May 25 and Save! MORE INFO»
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