Smart Hospital Restroom Human Fall Detection Solution

Release time:

2023-08-04

Smart Hospital Bathroom Human Fall Detection Solution

According to Hong Kong reporter Ng Hin-pui, a 66-year-old man was found dead last Wednesday evening (the 20th) inside an accessible restroom at the Hung Hom MTR station. The deceased’s family has accused the MTR of negligence and is demanding a thorough investigation and a full explanation. In response, the MTR apologized for the questions raised over its on‑scene handling and communication that day, stating that it will promptly conclude its internal inquiry and, within three months, install motion sensors in more than 90 accessible restrooms across the entire MTR network to prevent similar incidents from occurring again.

To prevent such tragedies from recurring, our company has designed and developed a bathroom patient‑fall monitoring solution, using hospital restrooms as a case study.

Due to privacy concerns, cameras cannot be installed in hospital restrooms. To address the issue of patient falls in these facilities, our company has developed a patient‑fall detection and alarm system. The system comprises three components: sensors, wireless transmission, and an alarm terminal. The sensors include an emergency button and a 60 GHz millimeter‑wave radar sensor. The 60 GHz radar is mounted at the ceiling of the restroom and incorporates an integrated fall‑detection algorithm; when a fall is detected, it outputs an alarm signal. The emergency button is installed beside each toilet stall; in an emergency, pressing the button triggers an alarm. Wireless transmission supports three options: LoRa, LoRaWAN, and CAT‑1. With LoRa or LoRaWAN, the received alarm signal is sent directly to the alarm terminal without requiring cloud‑based forwarding, though these methods still rely on LoRa or LoRaWAN for communication. CAT‑1, on the other hand, uses the cloud to forward data—no gateway is needed—but incurs annual data‑usage fees charged by the carrier. The alarm terminal is placed at the nurses’ station. Upon receiving an alarm signal, nurses promptly attend to the situation. The system’s workflow is illustrated as follows:


In general, the golden window for providing assistance after a fall is within the first few minutes. Once a patient falls, as soon as the nurse’s alarm terminal receives the alert, they promptly attend to the situation. During this critical period, swift implementation of appropriate first‑aid measures—such as assessing breathing, ensuring airway patency, controlling bleeding, and immobilizing fractures—can minimize injury and significantly improve the chances of survival.
Our company Smart Hospital The practical application projects of the bathroom human‑fall monitoring solution include Shandong Daizhuang Hospital, Jining Veterans’ Hospital, and others, and have received strong support from medical staff and patients alike. This solution is not only suitable for deployment in hospitals but can also be used in nursing homes, schools, major shopping malls, and other high‑traffic areas.

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