Philips 4535-618-11521 Trackball for Ultrasound

The Philips trackball appears in our catalog as a Philips ultrasound-system part. The summary on this page consolidates the catalog fields (brand, model reference, compatible system, category) so procurement and service teams can quickly verify the part.

• Manufacturer-defined function: trackball (for Philips ultrasound platforms).
• Compatible with Philips Affiniti 50.
• Catalog part reference: 4535-618-11521.
• Carried as a Philips replacement component for service and refurbishment workflows.
• Catalogued under: Ultrasound Parts.

Catalog compatibility: Philips Affiniti 50. Validate the system model designation against the part number prior to procurement to avoid fitment issues.

Trackball assemblies combine a removable ball, a retainer ring, and an opto-mechanical or optical encoder. They live directly under the operator's fingers, so gel, skin oils, and dust accumulate on the ball and ring; periodic cleaning extends service life and prevents the cursor drift that often prompts a replacement. Replacement trackball modules are matched by console / control-panel part reference.

• Philips 4535-618-11521 Trackball for Ultrasound
• Manufacturer part reference label

• Verify the part number and model fitment against your unit's documentation prior to purchase.
• Product images and descriptions are for reference; the appearance of the actual item may vary by production batch or revision.
• If you are unsure about compatibility, contact our support team with your system model and serial number.
• Where the part interacts with patient-contact or measurement-critical subsystems, validate the system against the manufacturer's service procedure before returning it to clinical use.
• Installation should be performed by qualified service personnel following the original manufacturer's guidance.

SKU/Link Reference: Philips4535-618-11521Trackball