Join Medical Communication and Telemedicine Network

Allm Inc. is a Tokyo-based healthcare ICT company and a subsidiary of DeNA Co., Ltd., led by President and CEO Takaaki Otani. It links hospitals, specialists, emergency services and community care so that patients in rural or under-served areas can get specialist decisions without long transfers.

Its core product Join is a secure communication app for healthcare professionals with a built-in DICOM viewer, so CT, MRI and other images can be shared in chat for off-hours consultation, inter-hospital collaboration and emergency transfers, notably in stroke care. Around it Allm offers a Telemedicine Network that streams images and operating room video to remote specialists, Join EMS for pre-hospital tele-consultation, Join Mobile Clinic, an inner-hospital network, the Team collaboration system and the MySOS app. Customers are hospitals, hospital networks and public health authorities in more than 30 countries.

• Secure messaging: encrypted chat for healthcare professionals in a high-security environment.
• DICOM viewer: medical images can be viewed and shared directly inside conversations.
• Telemedicine Network: images and operating room video are streamed to remote specialists for advice.
• Join EMS: paramedics consult hospitals before arrival to speed emergency decisions.
• Join Mobile Clinic: portable telemedicine set used in disaster relief and outreach care.
• Community care tools: Team and MySOS connect multidisciplinary teams and patients.

A central stroke centre in Vietnam could receive CT images from provincial hospitals on Join to decide on thrombolysis or transfer within minutes. Ambulance services could consult emergency physicians before arrival. Hospital groups could use the inner-hospital network for off-hours radiology and surgical consultations.

Shortens time to treatment in stroke and other emergencies because specialists can review images on a phone and the receiving hospital can prepare in advance. Supports secondary-to-tertiary transfers by sharing patient information between facilities. Lets urban specialists support physicians in remote and island areas, reducing unnecessary patient travel. Join is described as the first program medical device covered by insurance in Japan.

Stroke and heart attack outcomes depend on minutes, yet neurologists and cardiologists are concentrated in major hospitals across Asia. Health systems are building hub-and-spoke stroke networks and pre-hospital consultation, and Southeast Asian countries are expanding telemedicine networks between central and provincial hospitals.

Headquartered in Shibuya, Tokyo, and a subsidiary of DeNA Co., Ltd. Join holds medical device certifications in Japan, the US (FDA), Europe (CE), Brazil and Saudi Arabia. In January 2026 Join won the METI Minister's Award at the 8th Japan Medical Research and Development Awards. Solutions are provided in more than 30 countries.