World’s smallest 3D bioprinter could help surgeons repair vocal cords

World’s Smallest 3D Bioprinter for Vocal Cord Repair

A flexible device, inspired by an elephant’s trunk, has been created and tested as the world’s smallest 3D bioprinter.

Surgery is sometimes necessary to remove growths or cysts from vocal cords.

Researchers have created a device with a 2.7-millimetre-wide printhead at the end of a long, flexible arm that moves like an elephant’s trunk.

This device might assist physicians by delivering healing hydrogels after surgery.

Author’s summary: Smallest 3D bioprinter helps surgeons repair vocal cords.

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Nature Nature — 2025-10-29

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