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Unitree's second humanoid robot and first small-scale model, launched on May 13, 2024 and billed by the compan…

A wheeled humanoid lab assistant that runs the instruments a lab already owns.
Elsie is a wheeled, two-armed humanoid laboratory assistant from Tactus AI of San Diego, unveiled at the ADLM 2026 clinical-lab meeting. It moves samples, consumables and slides between existing instruments, using touch, force, depth and machine-vision sensing, and is paired with orchestration software that dispatches robots and logs an audit trail for regulated labs. Tactus says it will select three to five launch laboratories in 2026, starting with US academic medical centers.
| Form factor | Torso / desktop |
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| Locomotion | Wheeled |
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| Sensing | Touch, force, depth and machine-vision sensors. |
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| Hands | Two dexterous arms handling slides, tubes, plates and consumables with sub-millimeter precision (company claim). |
| Availability | Pilot program selecting three to five launch laboratories in 2026. |
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| Target market | Clinical laboratories, pathology and diagnostics. |
| Software / OS | Tactus orchestration platform with LIMS/LIS integration and audit trails. |
| Deployments & partners | Planned pilots at US academic medical centers; ADLM 2026 unveiling. |
| Safety & certifications | Built-in safety systems and collision avoidance; designed for GLP/GMP/CLIA-compliant labs. |
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Specifications are sourced from public materials and may change. Always confirm commercial terms with the manufacturer.