Tiny rake to repair crumbly old knees by collecting stem cells from the joint

Tiny rake to repair crumbly old knees by collecting stem cells from the joint

Source - Health Medicinet

A rake-like device that sweeps up cells could give new life to arthritic knees. It collects stem cells — which can form new tissue — from the joint lining, then brushes them into blood clots to help the knee heal itself.

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