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Watch the archived free webcast "Medical Safety Critical Design Patterns." This presentation, taught by the author of "Real-Time Design Patterns: Robust Scalable Architectures for Real-Time Systems" discusses architectural design patterns specific to safety-critical systems.
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Crystek's CVCO55CC-2122-2242 voltage-controlled oscillator (VCO) operates from 2.122 to 2.242 GHz with a control voltage range of 0.5 to 4.5 V. This VCO features a typical phase noise of -105 dBc/Hz at 10 kHz offset and has excellent linearity. Output power is typically +7 dBm.
Engineered and manufactured in the US, the VCO is packaged in an industry-standard 0.5- by 0.5-in. SMD package. Input...
A company has announced the release of its aluminum-housed low-profile wirewounds. Available in power ratings from 60 to 1000 W, the MHL Series offers a high-power wirewound option that is typically less than half the height of traditional aluminum-housed wirewounds. This product has standard lead wire terminations coming out of one end, and can also be provided with leads coming out of opposite...
Software and hardware engineers can easily design medical patient monitoring devices utilizing the DaVinci DM37x video processors from Texas Instruments (TI). The DM3730 and DM3725, with their ARM Cortex-A8 and C64x+ DSP core, offer an imaging and video accelerator (IVA), a 3D graphics processor (DM3730 only), and high-performance peripherals (USB 2.0, SD/MMC) integrated on a system-on-chip (SoC...
A tubing set coiling machine is used in the manufacturing and packaging of disposable medical devices such as tubing or wire sets. The Mini-Winder offers a complete package for coiling of tubing or wire that must be wound. A length of material is placed on the machine’s turntable, which rotates the exact number of times necessary to make the coil. Using a keypad, the speed, diameter of coil...
A 1-A buck boost dc-to-dc power convertor accepts input ranging from 6 V to 70 V while output remains constant. It is available in 3, 5, 9, 12, and 15-V output models. Designed for use in portable medical devices, the convertor offers ±2% output voltage tolerance with excellent line and load rejection characteristics. The unit is short-circuit proof and can be operated at a maximum ambient...
Suitable for medical gas analysis applications, a high-output emitter can be pulsed as a source of blackbody radiation for near-to-far infrared applications at 180 Hz with 50% modulation depth. The PirePlus has a high pulsing speed and maximizes signal to noise measurement, expanding the measurement dynamic range and resolution for trace gases with very low parts per million. Available in the...
OEMs can use a thermoelectric device for implantable devices such as pacemakers and defibrillators. The OptoCooler HV14 can convert body heat into usable electricity for the charging of batteries when there’s a sufficient difference in temperature. The product enables a maximum assembly temperature of 320°C, which makes it compatible with eutectic gold-tin. At 85°C, the device...
A company has debuted a hybrid connector to integrate fluidics and electronics into a single connection point in medical device applications such as diagnostic equipment and surgical tools. The Hybrid Connector simplifies the user interface between remote tools and a device. Users can quickly change or replace tools or hand pieces that require power, signal, air, or fluids. The coupling set...
An IEC 60601-1–compliant local area network (LAN) card can be used for the direct network connection of conventional IT equipment to medical devices. The PCIe Medical LAN Card, which is a PCIe gigabit Ethernet card, allows IT equipment and medical devices to be connected without expensive medical LAN isolators, which otherwise would have to be inserted between the LAN port and a medical...
A company has added a medical-grade power supply to its product suite. The 400-W TMPC400-72 has a leakage current of <90µA at 264 V ac and is suited for medical applications that require low leakage. Measuring 150 × 140 × 86 mm, the power supply features 90–265-V ac full range input and active PFC. It comes with an IEC320/C14 AC inlet as well as a power switch. The...
A company has introduced the first in a family of fully integrated analog front ends (AFEs) for portable ECG and EEG equipment as well as patient monitoring and consumer-targeted medical products. The new AFE reduces power consumption and the component count by 95% compared with discrete devices, according to the company. Achieving power efficiencies of 1 mW per channel, the eight-channel, 24-bit...
LED printed circuit assemblies support rigid and flexible circuits used in packaging LED products. A company's custom LED assemblies support surgical backlighting thanks to rigid boards that support high-power-consumption applications. The assemblies offer polyester circuits to support low-power-consumption applications. Design and manufacturing teams at the company use in-house design, test...
Specifically designed for high-end AdvancedMCs, robust MicroTCA platforms OM6090D and OM7090D are available for medical infrastructure nodes. The platforms feature a 10-Gb/s Ethernet switched backplane, enabling a high data flow rate. In their maximum configuration, both systems can be fitted with up to 36 Intel XEON processor cores and a full 216 GB of RAM. The models are based on the same...
A component supplier has introduced a new tactile dome design featuring a reverse dimple on top of the dome that serves as a built-in actuator. Named the TC-Series for “Tactile Concentrator," the metal domes provide new benefits in tactile switch keypad designs. The TC-Series domes improve switch performance over typical metal domes and can be used in a variety of medical applications...
A designer and manufacturer of critical components has become fully HDI (high-density interconnect) capable for flexible circuits. It can provide HDI flexible circuits with blind and buried microvia capability down to 75 µm and trace and space capabilities down to 50 µm. The company says that HDI flex circuits lower cost by reducing layer count and circuit size, and that increased...
A series of high-precision, thin-film flat-chip resistors are available in 0603, 0805, and 1206 case sizes. Suited for medical device applications, the TNPU e3 resistors provide stable and reliable operation under harsh environmental conditions. The resistors feature tolerances as low as ±0.05% and temperature coefficient of resistance values down to ±5 ppm/K across a temperature...
A company’s audible indicators can be used in medical devices such as defibrillators, blood glucose monitors, baby monitors, infusion pumps, and dialysis devices. The AI-4228-TF-LW140-R for medical applications measures 42 mm in length and provides continuous tone to capture the attention of healthcare providers. It has an operating temperature ranging from –20˚ to 60˚C and is rated...
SMT board-to-board connectors can be used in patient monitoring equipment and defibrillators. The SlimStack Board-to-Board series of connectors have a 0.40-mm pitch, 0.70-mm mated height, and 2.60-mm width. In addition to their ultralow profile and narrow width, other features include a two-point contact design and 0.18-mm wipe length for secure contact and reliable electrical performance. The...
A company offers a flexible circuit loop antenna, which the company says can deliver more than 40% efficiency in healthcare monitoring devices. The FLA.01 antenna is a penta-band cellular antenna that is embedded inside medical devices. The technology can be applied to any frequency, including license-free bands such as 433 MHz, 868 MHz, 915 MHz, 2.4 GHz, and higher. The FLA antenna enables...
A producer of nanominiature connectors has announced the addition of a threaded metal shell circular to its nano family of products. Appropriate for body-worn medical monitoring equipment, the threaded metal shell provides a positive lock while compressing an O-ring to provide a waterproof interfacial seal. With the ability to withstand high shock and vibrations while maintaining electrical...
PC System
A PC system-in-a-box is suitable for medical applications. The WEBS-1010 measures 4 × 4.5 × 1.05 in. and weighs 13 oz. It is an ultracompact, fanless, and noiseless embedded PC system
Body Receptacles
A unique, low-profile, compliant body socket receptacle is capable of press-fitting in FR-4 mounting holes between .041 and .044 in. in diameter. Featuring the company's #10 contact clip rated at 2 A, the discrete receptacle is suitable for socketing devices with miniature 0.010–0.017-in. component leads. The sleek bullet-shaped body assists in centering the receptacle...
Printed Circuit Boards
A provider of printed circuit boards (PCBs) and PCB engineering and design introduces specialized PCBs for medical device electronic assemblies. The company also offers engineering and design services to help OEMs plan and develop medical electronic circuit assemblies. In addition, all types of PCBs—from single-sided to complex multilayer boards—are available...
Thermal and Flow Analysis Software
Thermal and flow analysis software shortens modeling time for engineers simulating complex electronics in medical devices. Coolit v. 9 allows users to build complex IC chip models using model constructors, create them from scratch using basic Coolit building blocks, or pick them from an expanded IC package library. A mouse click then converts the detailed IC...
Planetary Gearhead
Design features of a planetary gearhead make it capable of delivering twice the radial load-carrying capacity (up to 10 N) compared with standard models. The R08 planetary gearhead delivers high continuous torque of 0.05 N•m. It can be coupled with brush dc, brushless, and stepper motors in their respective frame sizes. The gearhead can also be customized to meet specific...
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