Project Description

Wearable Electrochemical Sensor

Our Role:

Client has a unique system to detect Blood Alcohol Content (BAC) from the skin. They needed a low-cost disposable cartridge to store, and upon a user action, deliver both a dry and wet reagent to an integrated electrochemical sensor.  The cartridge inserts into a wearable wristband, which provides BAC to the wearer.

Unique Features and Accomplishments:

  • Designed and molded a single-use cartridge assembly that allows user activation of the chemical sensor.
  • Electrochemical sensor lyophilized and wet reagents are stored on cartridge ready for activation by user.
  • One-piece assembly design with living hinge reduces manufacturing cost.
  • Snap closure allows simple user activation of chemical sensors.
  • Contacts on the sensor interface to the electronics in the wrist band with the help of magnets that position the cartridge allowing for quick and easy user installation.

Expertise Employed:

While all projects benefit from our development process and expertise in design, engineering, and in-house rapid prototyping, this project highlights our expertise in:

Patent Pending

BAC sensor cartridge:  Cartridge is assembled and sealed

BAC sensor cartridge:  Foil has been removed from back

BAC sensor cartridge:  Foil has been removed and cartridge has been snapped together activating chemical sensors

BAC sensor cartridge:  Cartridge is activated and magnets will attach to wearable bracelet