Sensor Solutions for Modern Day Dialysis

In contemporary dialysis instruments designed for hemodiafiltration, hemofiltration and hemodialysis, a variety of sensors are employed, allowing the monitoring of liquid level, flow and pressure in the blood circulation and dialysate, which are vital for safety, as well as facilitating the detection of air and leaks within the hose system.

A patient’s blood pressure should be tracked constantly during dialysis.

Dialysis

Dialysis, the common name for renal replacement therapy, is a procedure in which blood is cleansed by eliminating waste or harmful substances from blood of patients living with ensuring renal insufficiency or failure. In this process, substances are exchanged via diffusion through a semipermeable dialysis membrane.

Sensor Solutions for Dialysis

First Sensor offers a variety of solutions for dialysis. To indirectly track blood pressure, the extremely precise piezoresistive silicon pressure sensors of the HDI and HCE series with digital I2C or SPI interfaces can be employed. Additionally, for these kinds of sensors, modified pressure measuring ranges in the negative pressure (vacuum) and overpressure area is accessible.

Customized Sensor Solutions for Dialysis Devices

In addition to this, First Sensor designs and produces multi-sensor modules that incorporate an extensive range of mechanisms including microcontrollers, switches, pumps, valves and sensors to cultivate conveniently sized, ready-to-use solutions.

Customized Sensor Solutions for Dialysis Devices

Customized Sensor Solutions for Dialysis Devices

Using plastic manifolds, flow channels can be accurately organized in three-dimensions, without the need for piping for each module, which can be unwieldy disposed to faults. Customers can engage the various modules from First Sensor to financial savings in the development of OEM devices, while, thanks to brief development periods, also gaining an edge over competitors.

As well as this apparatus, First Sensor designs and builds customized front-flush pressure transmitters for dialysis instruments based on stainless steel pressure measuring cells or highly precise piezoresistive ceramic with lasting steadiness. Members of the OLT and OLP series, the optoelectronic liquid level switches are well suited for identifying leaks in the blood circulation and dialysate, or for determining liquid levels.

To identify a leak of blood through the dialysis membrane into the dialysate, distinctive optical sensors are employed. These sensors determine the concentration of blood, and produce a signal if a fixed threshold rate is exceeded.

First Sensor’s ultrasonic sensors can identify air bubbles in a broad variety of tube lines without contact, and therefore in sterile conditions. As such, they can stop air from being carried into a patient’s bloodstream.

Products include:

  • HDI/HCE Series: Pressure sensors with assimilated signal conditioning
  • OLP/OLT Series: Optical liquid level switches
  • Modified sensors, modules and systems

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 8:25 AM

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