Frequently Asked Questions

Who can use the SENS-U Bladder Sensor?

The SENS-U kids is intended for children between age 6 and 12 who are under treatment by a medical professional. Children who are late with toilet training learn to go to the toilet when the bladder is full. Children with a neurogenic bladder can use the SENS-U for volume based intermittent catheterization.

Will there be a SENS-U Bladder Sensor for people from all ages?

The next version of the SENS-U will be intended for people dealing with incontinence and who need support with bladder management of all ages.

How does the SENS-U Bladder Sensor work?

The SENS-U monitors the filling of the bladder and gives a notification when the bladder is nearly full via a vibration in the SENS-U and/or a message on a smartphone. The user is notified that the bladder is full and action should be taken. The SENS-U Bladder Sensor helps to prevent unwanted urinary loss.

How does the SENS-U Bladder Sensor operate?

The SENS-U is a non-invasive wearable sensor using ultrasound technology to measure bladder filling. The SENS-U Bladder Sensor is placed on the lower abdomen with an adhesive patch. Between the sensor and the skin, ultrasound gel and an adhesive patch are used to ensure ultrasound conduction and fixation. The sensor data is pre-processed in the scanner, and data is sent to a smartphone using Bluetooth.

What do you need to start using the SENS-U Bladder Sensor?

Almost everything you need is included in the SENS-U Startetkit: Adhesive patches, ultrasound gel, cleaning swipes, spray for a sensitive skin and the SENS-U. You will also need a smartphone to download the SENS-U app to adjust the SENS-U to your personal settings. The app can be found in the Play Store and Apple Store.

How can you turn the SENS-U on or off?

The SENS-U Bladder Sensor is always on unless it is plugged in to the power supply. So to turn it off you can plug it in and to start using the SENS-U you plug it out.

How can you reset the SENS-U Bladder Sensor?

You can reset the SENS-U by plugging it in and out of the power supply.

How are the SENS-U and smartphone connected?

The SENS-U and the smartphone are connected via Bluetooth Low Energy.

Can the SENS-U be connected to more than one smartphone?

The SENS-U can be connected to one smartphone. It is possible to forward the full bladder notification to a second smartphone, this option can be found in the menu behind the bell icon.

How can you switch the connection to another smartphone?

Following steps will guide you to switching from the smartphone that is connected to the SENS-U (smartphone 1) to another smartphone (smartphone 2):

  • Disconnect with smartphone 1: Open the connection screen by touching the Bluetooth icon (the left icon in the status screen). Once you have opened the connection screen touch the large Bluetooth icon in the middle. Now you have disconnected smartphone 1.
  • Open the SENS-U app on smartphone 2 and follow the steps as described in the User Manual.

What clinical evidence of the SENS-U Bladder Sensor is available?

Clinical studies are performed at the University Medical Center Utrecht. There are several studies ongoing, please contact us for the latest update.

The validation study of the SENS-U is published in the Journal of Pediatric Urology and can be found via this link.

Does the SENS-U Bladder Sensor have CE certification?

The SENS-U Bladder Sensor is a medical class IIa device and has a CE mark since March 2018.

Does Novioscan have an ISO certification?

Novioscan is ISO 13485 certified since March 2018.

What is Novioscan’s Privacy Policy?

You can find our Privacy Policy via this link.

Where is the SENS-U Bladder Sensor available?

The SENS-U Bladder Sensor is available in Europe for healthcare providers. Healthcare providers can purchase the SENS-U and use it for their patients.

How can you purchase the SENS-U Bladder Sensor?

Healthcare providers can purchase the SENS-U directly from us. Contact Rob Genders  by phone: +31 630 409 537 or email

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