Frequently Asked Questions
Got a question? We get those a lot. So we've compiled some of them here to help out. If you still can't find the answer you're looking for, get in touch with us and we'll be happy to help.
What is MEMS Technology?
MEMS stands for “MicroElectroMechanical System”. “Micro” means these devices measure less than a millimeter in any direction. They are “systems” in that they employ both electrical and mechanical forces in a single unit.
Why use MEMS for medical devices?
Millar pressure transducers are the “gold standard” for accurate measurement of pressure in humans and research animals. Throughout Millar’s history, the company has developed progressively smaller sensors both to minimize interference with physiological parameters and to access smaller venues. Miniaturization to the level of MEMS devices opens up new opportunities for acquisition of pressure information in greater detail and from formerly inaccessible areas.
How does MEMS work?
MEMS pressure sensors make use of piezoelectricity. Pressure applied to certain materials produces an electrical voltage, which can be measured. MEMS piezo-resistive sensors sense a change in resistance across a thin silicon diaphragm. This technology is widely used in industrial sensors and is well proven. The sensors are rugged and measure pressure only at the source. Over the years, Millar has perfected integration methods with these sensors to greatly reduce the effects of drift resulting from integration. Catheters built with sensor tips are robust and can navigate tortuous paths in the human vasculature. The interface electronics are fairly simple and can connect to commercially available monitors. Since pressure is measured only at the tip, this technology does not suffer from damping and resonance effects of fluid-filled lines.
What size sensors do you integrate?
Sensor range in size from 1F to 3F
What is the average lifespan of a sensor that you integrate?
The sensors are ideally suited for implantable applications of 30 days or less. We are also working to develop some longer term sensor configurations.
Are your sensors implantable?
Yes. All of our sensors are designed to be implantable.
Can you offer custom configurations?
We can design custom sensor solutions specific to your application and needs.
Is the output analog or digital?
The standard output is analog however digital options are under development.
How long is the development process?
It varies. The development process timeline is dependent on the specific solution and client needs.
Can Millar assist with Regulatory submissions?
Yes. We offer assistance with regulatory submissions.
Are your sensors absolute or vented?
Millar offers both absolute and vented sensor configurations.
Has the sensor been used in an FDA approved device?
Yes, Millar’s sensing technology has been integrated into multiple FDA approved devices.
Ready to bring your medical breakthrough to life? Contact Millar OEM Solutions today to see how we can make it happen together. US Headquarters T: +1 832.667.7000 Toll Free: 800.669.2343 (US Only)