# da Vinci Instrument Arm (actuator)

Robotic instrument arm / manipulator that positions and drives EndoWrist instruments on the da Vinci system.

## Identity

- Component class: actuator
- Safety critical: yes
- Verification posture: verified

## Used in models (1)

- [da Vinci (and Ion)](/models/intuitive-da-vinci.md) (primary safety) - Instrument arm

## Failure modes (1)

- **software fault** (serious): FDA recall; software implementation-error correction.

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