Philips 4535-6221221 – Knob, Small, Rotary

A high-quality replacement rotary (rotating) small knob for Philips ultrasound systems. It ensures precise control, smooth rotation, and durable construction to deliver reliable performance in daily clinical use. Designed to be compatible with IU22 and EE3 platforms, helping reduce downtime during quick service/maintenance.

Key Features

• Compact and ergonomic design; comfortable grip even during extended use
• Smooth and precise rotation, helpful for fine adjustments
• Durable material; resistant to wear with frequent use
• Tested compatibility with Philips IU22 and EE3 systems
• Quick replacement; reduces service turnaround time

Technical Specifications & Compatibility

Installation & Notes

• Fully power down the system and follow ESD protection procedures before installation
• Use appropriate tools when removing the existing knob to avoid damage to the panel/shaft
• Ensure proper torque and alignment by following the unit-specific service manual
• Perform a function test after installation to verify rotary response

Use Cases

Used as a replacement part when there is abnormality, response lag, or physical damage to the rotary input on the control panel. Effective for routine maintenance and rapid service recovery.

Disclaimer

Variations in model/part number (4535-6221221 vs. 4535-6292221) may depend on documentation/revision. Please verify the correct part number for your system before ordering.