Simulation Software

Volume Graphics, Charlotte, NC, has added and augmented important functionalities to its software that help designers and manufacturers capture and interrogate product data to improve final quality. When there’s no 3D CAD model of an object available, VGSTUDIO MAX 3.4’s Reverse Engineering Module provides a comprehensive suite of capabilities in an automated package. The module can generate surfaces from a CT scan or from any voxel model converted from a closed mesh/point cloud scan, using an auto-surface function that is fast and accurate. This functionality allows manually generated design models to be available digitally without the need for a CAD designer or reverse-engineering specialist.

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Extrusion Capabilities

Tri-layer and multi-layer extrusion capabilities are available from VistaMed, a business unit of Freudenberg Medical, Carrick-on-Shannon, Ireland. VistaMed’s tri-layer tubing is produced on precision multi-layer extrusion lines in a Class 8 cleanroom. Designed with a low coefficient of friction, the material on the inner lumen or material layer facilitates the easy passage of a guidewire through torturous anatomical pathways. To ensure that the inner layer of HDPE material has excellent bond integrity to the outer nylon layer, a tie layer material is used in conjunction with refined processing techniques. The outer layer material, typically nylon, is used to facilitate the bonding of balloons or other tubing. A wide range of multi-layer material combinations is available.

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COM Express Modules

Congatec, San Diego, CA, has extended its conga-TR4 series of COM Express modules with processors from the new AMD Ryzen Embedded R1000 series. Its function set has been slimmed down compared to the AMD Ryzen V1000 processors, yet still offers two multi-threaded cores and support for three 4k displays with AMD Radeon Vega GPU featuring three compute units. The TDP is scalable from 24 to 12 W with CPU speeds of up to 3.5 GHz. The modules are suitable for applications such as medical imaging in which OEMs want to provide ultra-immersive graphics.

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Sapphire Optics

Custom-fabricated sapphire optics are available from Meller Optics, Providence, RI. The optics are chemically inert and operate over a wide spectrum for use in blood gas monitors, centrifuges, and other instruments. They transmit from the UV to 4.7 µm; up to 85 percent uncoated and can be coated for better than 99 percent transmission. Featuring Mohs 9 hardness, which is second only to diamond, they can be supplied as lenses or windows, flat and stepped, concave or convex, and round or square, with mounting holes and slots.

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Bluetooth Module

Murata, Nagaokakyo City, Japan, has completed compatibility verification of its MCU embedded Bluetooth ® Module (MBN52832) with VitaNet Suite, a secure IoT platform. The microcontroller unit is a single computer chip designed for embedded applications. The VitaNet Suite allows IP network cloud control over non-IP Bluetooth IoT devices. Together they provide automated identification and authentication (for automated device pairing), thereby enabling secure and remote IoT device control, including remote alive monitoring and automated data collection.

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Silicone Adhesive

Silicone sponge and silicone foam gasket tape with DP-1001 silicone adhesive backing is available from Stockwell Elastomerics, Philadelphia, PA. Three gasket tape products are initially offered with DP-1001 silicone adhesive: R10470M red/orange closed-cell silicone sponge, BF-1000 white, low-density silicone foam, and HT-8Y00 red, medium-density silicone foam. A complimentary sample roll of gasket tape with DP-1001 adhesive can be requested to evaluate the adhesive properties.

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Medical Device Testing

TÜV SÜD, Munich, Germany, offers single-source testing services designed to speed up market access for medical devices. The company provides the full scope of tests necessary for compliance with national regulations. This lowers project and product risks while simultaneously reducing development costs. Physical testing includes electrical safety and electromagnetic compatibility as well as tests simulating the wide variety of environmental impacts that may affect the product itself and its packaging sterility during transport, storage, and operation. The portfolio of biological and chemical services includes aspects such as chemical characterization, microbiology, and sterilization behavior and also extends to validation of biocompatibility to rule out negative effects on humans.

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SaaS Solution

Cognition Corp., Lexington, MA, has launched a new SaaS solution that enables medical device product teams to automate and document the entire design control process — tightly integrating risk, requirement, and test management — with built-in quality processes. Compass 2020 guides development to support compliance with standards and regulations such as ISO14971, FDA 21 CFR 820.30, and ISO 13485 to speed product development. In beta since last year, the solution is now generally available. The software provides template-based guided compliance through the medical device product development process and enforces quality processes across every connection.

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Film Capacitors

Exxelia, Longwood, FL, has released a film capacitor series that combines electrical performance between BOPP and PET while exhibiting a higher operating temperature up to 180 °C and longer lifetime. The 560P product series is designed for high reliability and performance. With absolutely no derating up to 150 °C, it provides very stable TCC <2.5 percent and is resistant to vibrations, shocks, and overvoltage. The series supplants high-temperature ceramics and tantalums. Voltages range from 320 to 800 VDC, and capacitance value ranges from 0.022 to 10 µF.

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Simulation Software

Synopsys, Mountain View, CA, has released Simpleware Release Q-2020.06, which includes two new modules: Simpleware AS Cardio and Simpleware Design Link. The latest version of the software includes support for importing 4D DICOM. The software provides a complete 3D image processing software (MRI, CT, etc.) environment for generating models for CAD, CAE, and 3D Printing. AS Cardio provides an easy-to-use tool to automatically segment the cardiovascular system. This release focuses on automatically segmenting the heart blood pool and muscle and on automatically placing key landmarks.

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Conductive Coatings

Conductive coatings for preventing electromagnetic and radio frequency interference are available from Jaro Corp., Ipswich, MA. These coatings can be used to either shield EMI/RFI emissions generated by the electronics in medical devices, or to protect the device from surrounding EMI/RFI interference. The company has a wide range of expertise in choosing the right coating and applying it to achieve maximum results. All coatings are applied professionally by hand spraying, dipping, or a computer-controlled selective coating dispensary system.

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Conductive Epoxy

EpoxySet, Woonsocket, RI, offers an easy-to-use, thermally conductive epoxy. EPOXIBOND™ EB-486, a two-part adhesive, has a simple 1:1 mix ratio that can be cured at room temperature yet can withstand continuous operation at 150 °C. It produces an exceptionally high shear strength to aluminum, steel, copper, brass, wood, porcelain, and engineering thermoplastics. EB-486 has a thermal conductivity of 1.1 W/m°K, which makes it ideal for bonding applications where thermal management is required. It offers vibration and impact resistance and can be thermal cycled down to –55 °C.

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Onboard AC/DC Power Module

COSEL Co., Ltd., Tokyo, Japan, has released a 1.2 kW, compact and low profile, onboard AC/DC power module. Designed for demanding worldwide applications, the TUNS1200 has an input voltage range of 85–305 VAC and is certified to meet industrial and medical standards. Packaged in a sealed plastic case with aluminum baseplate, the power module is 12.7 mm (0.5 in.) high and weighs less than 280 g. The unit can be operated from –40° to +100 °C baseplate temperatures. The modules can be paralleled up to nine units (up to 9,750 W). Output voltage can be adjusted down to 0 V and is easily set to constant voltage or constant current operating modes.

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Medical Design Briefs Magazine

This article first appeared in the September, 2020 issue of Medical Design Briefs Magazine.

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