Functional Safety Certification for Rehabilitation Robots: IEC 80601-2-77 Explained

Date
2027-01-11
Location
Online
Host
Zach L

About this event

A Tabletop Exercise for Cross-Functional Product Teams pursuing functional safety certification. A live 30-minute tabletop exercise on IEC 80601-2-77 (Surgical Robot Safety) for rehabilitation robots, built for cross-functional product teams pursuing functional safety certification. What We'll Cover: What IEC 80601-2-77 (Surgical Robot Safety) requires and how its scope applies to rehabilitation robots Mapping IEC 80601-2-77 clauses to the certification evidence assessors expect System-specific hazards and safety functions typical of rehabilitation robots Common findings that delay certification, and how to avoid them A practical readiness roadmap for cross-functional product teams preparing for assessment Related topics: IEC 80601-2-77 · Rehabilitation Robots · functional safety certifica

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About IEC 80601-2-77 (Surgical Robot Safety)

This event covers the compliance, engineering, and verification requirements defined by IEC 80601-2-77.

IEC 80601-2-77 is the particular standard for robotically assisted surgical equipment (RASE): basic safety and essential performance requirements specific to surgical robots, layered on IEC 60601-1.

What it regulates

Motion control safety of surgical instruments, hand-controller and console requirements, essential performance under fault (retaining or safely releasing instrument state), alarms, and workspace/patient collision considerations.

Who must comply

Surgical robot manufacturers (teleoperated and cooperative) pursuing clearance in IEC-recognizing markets.

Key requirements of IEC 80601-2-77

  • Particular requirements modifying/adding to 60601-1 clauses
  • Essential performance definitions for RASE (e.g., unintended motion limits)
  • Degraded-mode and interruption behavior (power loss with instruments in patient)
  • Usability and training interface expectations

Key concepts: IEC 80601-2-77

RASE
Robotically assisted surgical equipment — the standard's scope term.
Safe interruption state
Defined instrument behavior on faults/power events enabling clinical recovery.
Unintended motion
The core hazard class — bounded by design and demonstrated under fault conditions.

Frequently asked questions: IEC 80601-2-77

Does 80601-2-77 impose PL/SIL levels?

It works in 60601's risk-based frame: motion-safety functions are engineered per PEMS/62304/14971 evidence with essential performance criteria, rather than machinery-style PL tables — the acceptance logic is clinical risk, not the 13849 graph.

Standard information based on the published text of IEC 80601-2-77 (Surgical Robot Safety). Event content is provided by the host. For authoritative guidance, consult the official standard body.