Improving Endoscopy Solutions with Sensors

Flexible or inflexible endoscopes are employed during medical endoscopy, both for diagnostic purposes, and to carry out minimally invasive internal operations. Inflexible endoscopes make use of mirrors to convey light and image data in and out of the body.

Flexible endoscopes, on the other hand, convey the light required for the image and illumination using optical waveguides. Some distinct types of flexible endoscopes, known as videoscopes or video-endoscopes, carry out imaging through use of CCD chips at the tip of the endoscope, after which the digital image data is electronically transmitted through a video cable and shown on a monitor.

In order to direct CO2 gas into the patient's body, the majority of endoscopy systems include an insufflator. This creates cavities which offer room for endoscopic examinations or operations, such as procedures taking place in the abdominal cavity (laparoscopy).

Present-day insufflators can offer extremely precise control of flow and pressure, allowing users to set and manage body cavities with great specificity, even for those of very small size.

Sensor Solutions for Endoscopy

As a strategic partner to manufacturers of medical goods for endoscopy and insufflation, First Sensor develops and manufactures highly consistent sensors as well as sensor systems which can be tailored to client requirements.

As providers of development support, First Sensor’s usual offerings consist of all-inclusive optical systems for videoscopes, consisting of a compact unit in which the CCD image sensor chip and miniature lens system are housed together.

Using pioneering layout and connecting technologies for the construction and calibration of semiconductor chips and micro-optics in compliance with clean room standards, First Sensor can also draw on its lengthy technological experience gained in development projects for manufacturers of medical instruments.

First Sensor delivers fast and extremely sensitive thermal mass flow sensors for CO2 insufflators. The company design and produce MEMS mass flow sensors within modular technology platforms which can be tailored for client requirements, alongside standard models.

These sensors are capable of response times of less than 2 ms as well as extremely high resolutions, and can also offer great dynamic ranges for measurements as high as 300 l/m.

The insufflation pressure created by the device is monitored through the use of the piezoresistive silicon pressure sensors on the HDI and HCE series which are able to sense miniscule aberrations in pressure, down to a fraction of a millibar, while combining with modern control electronics to offer steady pressure values.

Thanks to First Sensor’s sensors and systems tailored to your needs, you, as a producer of medical goods, can benefit from financial savings in device development, simple integration into end devices, and gain a competitive edge resulting from brief development cycles.

The comprehensive advisory, design, production and service procedures offered by First Sensor fully meet the exacting requirements for medical goods in accordance with EN ISO 13485.

First Sensor AG

First Sensor AG is one of the world's leading suppliers in the field of sensor systems. Our company develops and manufactures both standardized and tailor-made sensor solutions for the detection of light, radiation, pressure, flow, level and acceleration for applications in the Industrial, Medical and Mobility growth markets.

The company produces in-house and along the value-added chain from component to system level.

With over 800 employees, we are represented at six German locations and also have development, production and sales sites in the USA, Canada, China, the Netherlands, Great Britain, France, Sweden and Denmark along with a worldwide partner network. We guarantee our compliance through regular successful certifications of the sites according to ISO/TS 16949, ISO 14001, EN ISO 13485, EN 9100 and ISO 9001 - matching the respective business field.

First Sensor AG is listed in the Prime Standard of the German stock exchange in Frankfurt.

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Last updated: Oct 15, 2018 at 8:24 AM


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