Overview
EN ISO 7494-1:2018 - published by CEN (identical to ISO 7494-1:2018) defines the general requirements and test methods for stationary dental units and dental patient chairs, whether electrically powered or not. It also sets requirements for instructions for use, technical descriptions, marking and packaging. Operator’s stools, portable equipment and operating lights are excluded.
Keywords: dentistry standard, dental units, dental patient chairs, ISO 7494-1:2018, stationary dental units, dental equipment standard.
Key topics and technical requirements
- Scope and classification
- Applies to stationary dental units, patient chairs and their combinations.
- Excludes portable devices, operator stools and lights.
- General safety and performance
- Requirements for basic safety and essential performance, usability, controls and indicators.
- Function stop systems (emergency/stop features) and position limiting for patient chairs.
- Hygiene and biocompatibility
- Cleaning and disinfection guidance and surface resistance considerations.
- Requirements referencing biocompatibility evaluation and amalgam separators.
- Mechanical and electrical requirements
- Mechanical tests for stability, vertical lift, arm/ headrests and pressure-containing parts.
- Electrical tests and periodic safety check points (in line with medical electrical equipment standards).
- Accessories and fluid systems
- Addresses solids filters, amalgam separator device provisions and notes related air/water/suction/wastewater requirements (further detailed in ISO 7494-2).
- Documentation, marking and packaging
- Specifies required instructions for use, technical description, product marking and packaging information.
- Testing and reporting
- Visual inspection, sampling, mechanical and electrical tests and a standard test report structure (annex example).
Practical applications - who uses this standard
- Manufacturers of stationary dental units and dental patient chairs - for product design, validation and CE/national compliance.
- Design and R&D engineers - to ensure safety, usability and maintenance features meet international norms.
- Test laboratories and conformity assessors - to perform the required mechanical and electrical testing and prepare test reports.
- Regulatory and procurement teams - for specification writing, tender evaluation and acceptance testing in clinics.
- Dental clinic managers and service technicians - to verify marking, instructions, safe operation and maintenance requirements.
Related standards (normative references)
For procurement or compliance, obtain the full standard from ISO, CEN or your national standards body.
