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

World’s Smallest 3D Bioprinter for Vocal Cord Repair

A new, flexible 3D bioprinter inspired by an elephant’s trunk has been developed to deliver healing hydrogels after surgery.

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

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

This innovation could help surgeons repair vocal cords by delivering healing hydrogels after surgery.

Author’s summary: A 3D bioprinter inspired by an elephant’s trunk helps repair vocal cords.

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Nature Nature — 2025-10-29

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