DEPLOYDatabase

Robot model

Rheo Knee

otherproductionby Embla Medical hf

The Rheo Knee is a microprocessor-controlled prosthetic knee that uses artificial intelligence to continuously adapt to the user's gait.

Track Rheo Knee
Manufacturer
Embla Medical hf
Form factor
other
Maturity
production
Lifecycle
active
Deployments
2

The verified answer

As of Oct 2026, DEPLOY verifies Rheo Knee, a other by Embla Medical hf (production): 2 verified deployments on record. 5 sources back the record.

Overview

The Rheo Knee is a microprocessor-controlled prosthetic knee that uses artificial intelligence to continuously adapt to the user's gait. It provides real-time variable damping for natural movement across different walking speeds and terrain types.

Verified vs. claimed

Maturity stage
production(Full-scale production deployment with repeat customers.)
Sources on file
View all sources →

Key facts

Form Factor

other

Maturity

production

Microprocessor knee

Össur describes Rheo Knee as a microprocessor-controlled prosthetic knee that adapts resistance to the user's gait (Rheo Knee).

Magnetorheological resistance

Össur's information guide describes Rheo Knee's magnetorheological technology for changing knee resistance during stance and swing (Rheo Knee information guide).

Gait adaptation

Össur says Rheo Knee continuously monitors movement and adapts its response to walking conditions (Rheo Knee).

Design recognition

Össur reported that Rheo Knee XC received a 2019 iF Design Award (Össur design award release).

Data & sources

Government records

1

Web sources

4

5 sources backing this record.View all →

Pricing

No verified price is on record for Rheo Knee. Physical-AI systems are often sold through enterprise contracts or operated as a service rather than at a public list price.

How DEPLOY tracks pricing

Deployments (2)

Rheo Knee on the deployment map

View the global map

Where Rheo Knee is verified operating. Explore the deployment map by place and type.

Free to use on your site, with a link back to DEPLOY.

Recent activity

Every change to this record is dated, sourced, and independently verified where marked.

Full change history →

Safety record

2 recalls on record (2 minor). Most recent: Feb 2011.

minor
2

Most recent: Feb 2011

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Incidents affecting Rheo Knee (2)

Includes incidents linked directly to this model or to deployments of it. Retracted incidents are excluded from this view but remain reachable at their canonical URLs.

Sources (5)

  1. Rheo Knee - Össur · https://www.ossur.com/en-us/prosthetics/products/rheo-knee
  2. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfRes/res.cfm?id=84735
  3. https://www.ossur.com/en-us/prosthetics/knees/rheo-knee
  4. https://media.ossur.com/ossur-dam/image/upload/v1700036105/product-documents-global/Rheo-Knee_Rheo-Knee-XC_Information-Guide_es-es.pdf
  5. https://www.ossur.com/en-us/about-ossur/newsroom/ossur-and-kinneir-dufort-win-2019-if-design-award

Mentioned on (2)

Registry pages whose text names Rheo Knee.

Companies (1)

Embla Medical hf

Common questions

What is Rheo Knee?
The Rheo Knee is a microprocessor-controlled prosthetic knee that uses artificial intelligence to continuously adapt to the user's gait. It provides real-time variable damping for natural movement across different walking speeds and terrain types.
How much does Rheo Knee cost?
Rheo Knee's price is not publicly disclosed. DEPLOY has no verified price on record for Rheo Knee from Embla Medical hf. Physical-AI systems like this are often sold through enterprise contracts or operated as a service rather than at a public list price; check the manufacturer for the latest.
Is Rheo Knee actually deployed in the real world?
Yes. Rheo Knee is independently verified in real-world operation on the DEPLOY registry, confirmed at named deployment sites with primary sources: not a concept, render, or demo-only.
Who makes Rheo Knee?
Rheo Knee is made by Embla Medical hf, based in Reykjavik, Iceland, founded in 1971.
Where is Rheo Knee deployed?
2 verified deployments of Rheo Knee are on the DEPLOY registry, including at United States, Germany, Europe.
Can you buy Rheo Knee?
Rheo Knee is in commercial deployment and is sold to operators; contact the manufacturer to buy, and see the pricing section for any recorded price.
What are alternatives to Rheo Knee?
On the DEPLOY registry, comparable other robots to Rheo Knee include Archer Midnight, Joby S4, ASML EUV TwinScan, 10Beauty Manicure System.
How does Rheo Knee compare to Archer Midnight?
Rheo Knee and Archer Midnight (Archer Aviation · 9 deployments) are both other robots on the DEPLOY registry. Rheo Knee has 2 verified deployments on record. Compare both records for specs, safety, deployments, and verified-vs-claimed autonomy.
Is Rheo Knee a top other?
On DEPLOY's intelligence score, which blends verified deployments, safety, adoption, media, and IP signals, Rheo Knee ranks in roughly the top 7% of other models tracked by the registry.
What is Rheo Knee's maturity stage?
Rheo Knee is at the production stage on the DEPLOY maturity ladder (research, prototype, pilot, commercial, production). Production stage means high-volume manufacture and commercial-scale deployments are sustained.
Is Rheo Knee safe?
Rheo Knee has 2 active incidents on record in the DEPLOY registry. 2 recalls on record (2 minor). Most recent: Feb 2011. Retracted incidents are excluded from this count.
Methodology: Verified · 5 sources (1 primary) · last reviewed 2026-10-09

Verification posture

Verified

High confidence

Review state

Stable

Last reviewed 2026-10-09

Maturity + lifecycle

Maturity stage: production

Lifecycle: active

Architectural position

Cohort: other

Sources by quality tier

4
unclassified
Unclassified source
1
primary-fda-database
FDA database

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.

Methodology surface for Rheo Knee.