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Table 1 Function of the different parts of a thread-embedding acupuncture device

From: Efficacy and safety of thread embedding acupuncture for chronic low back pain: a randomized controlled pilot trial

Consists

Function

Needle hub

Holds the device at the acupuncture point

Needle

Inserts the absorbable thread into the acupuncture point through the hole of the needle hub

Thread

Absorbable suture thread that is embedded within the body

Sponge

Fixes the needle and absorbable thread

Protective cap

Protects the needle and thread