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OmniVision and Lighthouse Imaging created this platform that enables medical device manufacturers to seamlessly integrate stereoscopic 3D imaging into endoscopes

OmniVision Technologies, a developer of advanced digital imaging solutions, and Lighthouse Imaging, a medical contract manufacturer and product development firm, have announced at the MD&M West trade show a platform that enables medical device manufacturers to seamlessly integrate stereoscopic 3D imaging into endoscopes. The platform incorporates two CMOS image sensors and an image signal processor (ISP) from OmniVision, plus a light control board for LED illumination and camera control unit from Lighthouse.

According to OmniVision, traditional endoscopy uses a single camera and does not provide depth information, thus increasing risks during endoscopic surgery. This new platform provides a solution for stereoscopic 3D imaging in applications such as laparoscopy, gastro-intestinal (GI) and general endoscopic surgery. 

The platform includes two OmniVision OH02A image sensors with 1.4-micron pixel PureCel technology in a 1/6-inch optical format. These sensors support alternate-row high dynamic range (HDR) for high-quality imaging of both bright and dark areas. They are also stereo-ready, with FrameSync technology that enables accurate synchronization of the sensors. On-chip pulse width modulation enables the sensors to drive the LEDs at the endoscope's distal tip, while antireflective coating on the cover glass removes ghosting. These sensors come in compact chip-scale packages (CSPs) with two-lane MIPI output, and have low power consumption for low heat at the distal tip.

The 2-megapixel, 1080p resolution of the OH02A image sensor supports streaming video at 60 frames per second (fps), allowing a medical team to view high-quality images on a large television monitor. Additionally, the Lighthouse platform can be adapted to use OmniVision sensors with 720p or 4K/2K resolution, depending on whether cost or resolution take priority for the medical OEM.

The OVMed ISP back-end processor provides stereo 3D vision. Its compact form factor fits inside the camera control unit (CCU) / video processor unit (VPU). Additionally, it supports an integrated design — including analog-to-digital converter and dual-channel ISP and PC interface. An input interface is provided for dual OmniVision image sensors, and video is output via a dual-USB2.0 interface. The predefined GPIO pins connect to buttons to control the system. This processor has a fast response time (<100 ms), LED control and low power consumption. A software development kit (SDK) and API are provided, and this software is compatible with the Windows operating system.

Medical designers can integrate this platform directly into a design to reduce costs and pave an easy path to 510(k) clearance, according to company information. This system is also completely customizable by switching out image sensors, lenses or illumination to achieve the desired optical performance, or to optimize system-level architecture for a specific application.

OmniVision's OH02A sensor is RoHS and REACH compliant and passes autoclave testing. The Lighthouse demonstration units are compliant with IEC and FDA regulations, and are ISO-13485 certified to reduce development risk.

The new platform and other products will be on display at the OmniVision booth #1784 and the Lighthouse Imaging booth #817, at the MD&M West trade show in Anaheim, California (US), 5–7 February.

Labels: stereoscopic 3D imaging,3D-endoscopy,OmniVision Technologies,Lighthouse Imaging,MD&M West,OmniVision OH02A image sensors,PureCel technology

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