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

World's Smallest 3D Bioprinter

A flexible device inspired by an elephant's trunk can deliver healing hydrogels after surgery.

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

Researchers have created and tested what they say is the world's smallest 3D bioprinter.

The device has a 2.7-millimetre-wide printhead at the end of a long, flexible arm that moves like an elephant's trunk.

Author's summary: Smallest 3D bioprinter helps surgeons.

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Nature Nature — 2025-10-29

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