Intelligent Fingerprinting:
DSR-Plus reader

Next generation, portable fingerprint drug
testing device

Intelligent Fingerprinting’s product analyses sweat from fingerprints to
screen for specific drugs and drug metabolites. Unlike traditional drug
screening tests, it doesn’t require saliva or urine collection, and it gives
results in 10 minutes.

Our client asked:

The sample reader size and weight made portability more challenging for some applications. Intelligent Fingerprinting wanted to take their portable fingerprint drug testing to the next level.

They asked Sagentia Innovation to streamline manufacturing and
significantly reduce the size and weight of the unit to open new
market opportunities in other areas of medical diagnostic testing.

The project story:

We used our optics knowledge to help rethink the way sample
cartridges are read. We identified a new way to read the samples
which involved a camera, mirrors and filters rather than a
scanning system.

By eradicating moving parts from the device, the team was able to
enhance robustness, while also delivering further benefits related
to size, weight, and performance.

We then focused on making the device more streamlined, efficient,
and user-friendly, so it is suitable for a wider range of applications
as Intelligent Fingerprinting develops into other key areas of
medical diagnostics.

Results: deliverables and outcomes

• This Fingerprint drug screen system has made Fingerprint drug
testing an even more attractive choice for new target audiences.

• The new DSR-Plus reader is portable, robust and its battery
supports up to 8 hours’ mobile operation.

• The user interface is intuitive and adheres to medical-grade
quality procedures surrounding factors such as documentation
and controls.

• It was a rapid product development – going from a Proof of
Principle model to 50 B-Models in 8 months.

• Manufactured in the UK.

• Launched in March 2020.

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