Midjourney Medical: AI-Powered Full Body Ultrasound Scanning

Midjourney has announced a pivot into medical technology with the development of a high-speed, AI-powered ultrasonic scanner and a corresponding network of "medical spas." The company aims to transform healthcare by providing frequent, low-cost, and high-volume body data collection, with a goal of deploying 50,000 scanners globally by 2031 to facilitate a billion scans per month.

The Midjourney Scanner: Technical Specifications

The Midjourney Scanner is a computational tomography system based on ultrasound rather than radiation. It is designed to provide a 3D map of the body with sub-millimeter resolution in approximately 60 seconds.

Hardware and Data Acquisition

Mechanism: The user descends into a pool of water on a platform moving at approximately 5 centimeters per second.
Sensor Array: The system utilizes a ring composed of 500,000 tiny elements, each functioning as both a speaker and a microphone.
Data Volume: These sensors generate terabytes of data per second. Midjourney notes that one second of scan data is equivalent to 500 hours of HD internet video.
Processing: Data is streamed to a massive computer cluster where AI algorithms convert ultrasonic wave deformations—caused by changes in tissue density and stiffness—into detailed 3D images.

Integration via the Midjourney Spa

To move medical imaging away from clinical environments and into daily life, Midjourney is launching the "Midjourney Spa," with the first location scheduled to open in San Francisco in 2027. The spa is intended to be a wellness destination featuring hot tubs, saunas, and cold plunges, where the body scan occurs as a passive "side-effect" of the visit. This approach aims to make health data collection a casual, recurring habit rather than a stressful medical event.

Development Roadmap and Regulatory Strategy

Midjourney is operating as a community-backed, self-funded research lab with the following timeline:

Next 12 Months: Refinement of algorithms and hardware, research trials, and the build-out of a "research spa."
2027: Opening of the first public Spa and deployment of second-generation hardware.
2028: Scaling to additional cities and upgrading to third-generation hardware featuring custom silicon for improved image quality and speed.
2031: Target fleet of 50,000 scanners worldwide.

Regulatory Approach: Midjourney plans to bypass immediate diagnostic hurdles by initially providing "body composition maps" rather than diagnostic results, while incrementally submitting test results to the FDA to expand capabilities.

Technical and Medical Critique

Following the announcement, technical experts and medical professionals have raised several critical concerns regarding the feasibility and utility of the system.

Imaging Limitations

Radiologists have pointed out that ultrasound has fundamental physical limitations that cannot be solved by compute power alone. Specifically, ultrasound waves cannot penetrate bone (preventing brain imaging) or air (preventing lung imaging), making a "full body" scan technically impossible for several critical organs.

The Risk of Over-Diagnosis

Medical professionals have warned against the dangers of "incidentalomas"—benign anomalies found during routine screening that lead to unnecessary anxiety and invasive follow-up procedures.

"Looking for bad things inside the body sounds like a great idea on the surface. The problem is that imaging... can lead to a lot of unnecessary procedures. The net effect can even become more harmful than the number of real problems it catches."

Regulatory and Clinical Skepticism

Critics argue that Midjourney's understanding of the FDA process is overly simplistic, noting that regulatory approval for medical devices requires rigorous design controls and clinical trials rather than simple data submissions. Additionally, some question the claim that early imaging could avoid 30% of all deaths, describing it as "divorced from reality" given that many chronic diseases do not have clear imaging manifestations.