dfree
Dfree is a wearable medical device and related service designed to predict when a person will need to urinate. The system typically uses a belt-style sensor placed on the abdomen that incorporates ultrasound to measure bladder volume and its changes over time. Data from the sensor is transmitted to a companion smartphone app, which provides estimates of the time remaining before urination and can be configured to alert the user or a caregiver. The goal is to help people with urinary incontinence, mobility limitations, or cognitive impairments plan bathroom visits and reduce accidents, while easing caregiver burden.
Development and market presence: Dfree was introduced in Japan during the early 2010s by a startup focused
Reception and considerations: While presented as a convenience and care-support tool, Dfree has faced questions about
See also: wearable technology, urinary incontinence devices.