Pumping Above Our Weight Class

NMP 03 Micro Gas Pump
The newly introduced ultra-small, portable device pump — weighing only 11g and measuring just 12.9 mm x 24.2 mm — delivers very consistent, linear transfer up to 500 mL/min.

In addition to ultra-small size and wide flow rate range, the NMP 03 offers a long service life, outstanding efficiency, leak tightness, and quiet, low-vibration operation. Typical portable device applications, for which the NMP 03 micro gas pump is very well suited, include: emissions measurement and gas analyzers; patient monitoring; capnography; negative pressure wound therapy; ion-mobility spectrometry (trace detection); drugs and explosives detection; handheld pipette/dosing; and print-head meniscus control.

The NMP 03 offers a wide operating temperature range of -20 °C – +60 °C (environment and gas) thereby making it well-suited for outdoor use and applications involving hot or cold gases. Plus, like other KNF micro gas pumps, the new NMP 03 features a modular system which can be configured to match your specific requirements.

Visit www.knfusa.com/NMP03 to learn more.

Liquid Waste Handling in Clinical Diagnostics and Lab Equipment

A new Application Note from KNF Neuberger, Inc. details effective methods for collecting, and evacuating liquid waste.

oem_application_noteWhen determining how to transfer liquid waste within an analyzer, design engineers must examine many factors. Though several methods will work, only one provides optimized system performance and lifetime.



KNF Associates Discuss MedTech Pump Design Trends with MDDI

Pumps for Medical TechnologyThe following excerpt is from the MDDI article, “Pump Designs Flow Toward Smaller Sizes“.

As medical devices require smaller pumps that fulfill rigorous design requirements, the relationship between OEMs and suppliers is shifting.

A medical device that manages the movement of a gas or a fluid relies on a pump to carry out the application. Advances in technology enable pump suppliers to provide pumps capable of addressing increasingly complex medical device requirements. But industry pressures are also changing the nature of the relationship between OEMs and their suppliers.

At one time, medical device companies looked at suppliers simply as a way to outsource work and reduce costs, said Dave Vanderbeck, business development manager for Trenton, NJ-based KNF Neuberger. While suppliers can help OEMs reduce their costs, Vanderbeck increasingly now sees OEMs turning to their pump suppliers for design expertise.

Read the full article at MDDIonline.com >>

MD&M East: OEM Pumps Support Medical Design Advances

By: Eric Wilson, OEM Senior Sales Manager

The first half of the year has flown by, and we’re thrilled our pumps continue to be relied on in truly innovative applications. We’re equally excited by the recent turnout at MD&M East, where current and potential customers, friends, students and industry pros were able to get a first-hand look at our array of OEM pumps and technologies for medical devices.

MD&M shows have always been an excellent opportunity to keep up-to-speed on current medical device trends, and this latest stop on the  tour in Philadelphia was no exception. It was fantastic to see such a noticeable uptick in booth traffic, especially as the crowd was primed to find technologies supporting the continual drive toward miniaturization. Simultaneously, we continued to see a growing trend of stateside  medical device manufacturers outsourcing design and component sourcing. This was not overly surprising to KNF, as we’ve been called on to  design or augment liquid, air and gas transfer solutions for shrinking equipment for quite some time now. However, our team of  engineers was excited to demonstrate some of KNF’s latest and greatest pumps that are extremely capable of high pressure transfer — despite the need for ever-smaller footprints.

Our Pump Projects stress engineer-to-engineer communication, and shows such as MD&M East offer the opportunity to start—or continue— the conversation. As we’ve learned, communication about application needs often leads to more than just an optimized pump. It presents an opportunity to assist engineers better achieve the overall design objectives of the device. The beauty of a trade show is that we have a bevy of  engineers ready and available with an assortment of pumps, components, datasheets, etc. at our fingertips to show-and-tell our way through any discussion.

To learn more about our full line of OEM liquid, air and gas pumps, or to view our upcoming tradeshow schedule, visit www.knfusa.com. And don’t forget to drop by and say hi at the next show.

OEM Liquid Pumps Combine High Pressure Transfer Capabilities with Micro Footprint

Configurable for Application-optimized Design and Performance

NF1_25KNF Neuberger OEM self-priming micro-diaphragm liquid transfer pumps offer design
engineers a unique combination of performance and application flexibility in a remarkably small package – as small as 1.5” in length. Rated to operate continuously against pressures as high as 87 PSIG (some models to 145 PSIG) with 8.86 in. Hg suction capacity, these small but powerful pumps deliver a great ratio of pressure versus footprint. With their high pressure capabilities, KNF micro liquid pumps enable use of smaller instrument tubing, thereby reducing reagent needs. And, even with the compact design, these pumps deliver KNF-level quality and durability, including the ability to be run dry while still ensuring safe operation and maintenance-free, long service life.

Available in a series of performance platforms, KNF micro liquid pumps provide design engineers with a wide range of flow rates. The KNF NF1.5 series delivers up to
60 ml/min, while the NF1.25 delivers up to 300 ml/min and NF1.60 up to 650 ml/min. To ensure long life even under severe application requirements, KNF micro liquid pumps are also configurable in a wide range of chemically-compatible materials for wetted areas: PTFE to polypropylene for head construction and FFPM to EPDM for elastomeric components.

Typical applications for KNF micro liquid pumps include systems for the medical diagnostic, environmental, laboratory, cleaning/disinfection, analytical instrumentation, fuel cell and printing industries.

KNF develops purpose-built, application-optimized fluidic delivery solutions through engineer-to-engineer collaboration early in the design  phase, merging OEM system design goals with KNF pump technology expertise. Utilizing a unique concept of product platform  modularization, KNF is able to compress design and manufacturing timelines, while delivering industry-leading quality and lifecycle  performance.

For more information, please visit www.knfusa.com/products/oem-pumps/

Pump Technology for Today’s Medical Designs

KNF recently had a feature article published in Medical Design Technology’s April issue. The article, titled “Innovation Drives Pump Technology to Meet Today’s Medical Designs” details how today’s medical device demands are being answered by advanced pump technology.

MDT CoverIn today’s medical designs, transferring media – be it oxygen, a patient’s sample or fluid for analysis within the IVD device – is reliant on the pump, sometimes referred to as the “heart” of the application. Some pretty big advances in pump technology are helping design engineers meet the device miniaturization and cost reduction criteria set down on them. These advances are bringing additional value by optimizing performance.

One key trend that has helped meet the smaller-design, less-expensive mandate is the development of brushless DC (BLDC) motors, which allow flow rates to be regulated, helping extend device lifecycle and reliability. The ability to adjust to slower speeds also helps to reduce audible noise, a valuable benefit of today’s medical devices and systems.

Another advantage of BLDC motors in the miniaturization trend is their power requirements. BLDC motors operate at 12V or 24V, much lower than AC motors that operate at 115-230V. This significantly reduces the amount of heat generated, no small factor in compact designs. BLDC motors, with their lower operating voltage, also help create a global chassis that streamlines the system-level regulatory agency approvals, because one design can be used worldwide.


Pumps with BLDC Motors

A perfect example of pump miniaturization can be seen in the KNF NMP series, which features models that are extremely compact yet deliver king-sized performance. These pumps have proven to be extremely useful in designs such as anesthesia monitoring, where they play a crucial role in analyzing the content of patients’ exhaled air, helping ensure the required precision measurement.

Another example of a pump that utilizes BLDC technology is the KNF N838 diaphragm vacuum pump and compressor. Its many advantages have made it the pump of choice in many aspiration systems to evacuate waste and protect samples from becoming contaminated.

Medical design engineers will also find another emerging trend – digital control – advantageous. Utilizing soft-start and other electronic features, pumps with this higher-level system control capability can detect changes in the overall system and respond with automatic adjustments, extending component life, improving reliability and optimizing performance of the entire system.


More Than a Pump

There is more to selecting the proper pump than performance, though. Working with an experienced, knowledgeable pump manufacturer early on in the process is important in choosing the best pump for the application. In fact, an OEM pump manufacturer should be a part of the process from first product touch to last, and even far after. This consultative approach doesn’t just optimize the efficiency of the pump; it provides a total system solution and risk mitigation factor for the design engineer. It also provides efficiency aspects, as engineers can focus on other elements of their design while having confidence that the pump manufacturer can help specify the pump, ultimately leading to a better final product.

Simultaneously, incorporating the pump manufacturer early into the process can also benefit the pump itself. Well-designed BLDC diaphragm pumps correctly integrated into an application can boost product lifecycles, lasting more than one billion strokes. Therefore, as power consumption becomes a priority and control via electronics is maximized, costs can be reduced when compared to traditional methods of AC pump operation.

KNF offers a consultative approach with custom pump projects, as well as a unique modular system.