# Study reports two-input pneumatic robot hand prototype

_Monday, August 17, 2026 at 3:47 AM EDT · Robotics · Latest · Tier 2 — Notable_

![Study reports two-input pneumatic robot hand prototype — Primary](https://www.azorobotics.com/images/news/ThumbForNews_16464_17869528412449265.jpg)

A study described a BioflexBot robotic-hand prototype that uses a coiled spring, constraining shell and compressed-air system with two pneumatic inputs.

The researchers reported demonstrations of pinching an acupuncture needle, moving liquid with a pipette, rotating a bottle cap, hooking objects and grasping objects of varying sizes. The report said the prototype extended and contracted 3.5 times more than a human hand and could grasp objects nearly 13 times bigger than similar systems.

Demonstrations included aeroengine-blade inspection, humanoid-robot tasks and a chemistry experiment.

## Sources

- [AZoRobotics](https://www.azorobotics.com/News.aspx?newsID=16464)

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Retrieved: 2026-08-17T14:58:34.649Z
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