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What is bioabsorbable medical device?

Low-invasive medical device composed of bioabsorbable materials, which is absorbed in the human body within a specific time period.　Ex) Stent, Bone screw & plates, and staples etc.

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　Healing
​Strength, Volume
Healing time
 Permanently-implanted ( non-absorbable device)
 Risk of relapse, Long-term medication  etc．
Healing poing
　　・Low risk of relapse
　　・Short- term medication
​No need to remove the implanted device 
　　Low-invasiveness
​　　Applicable to the surgeries for growing children etc.
Excellent biocompatibility
Few stress-shield effect
Device
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【Why Magnesium？】

Material

Co-Cr alloy

       E 　　　                UTS　　　     Elongation　　Degradability 

Ti alloy   （Ti-6Al-4V)

Magnesium alloy

Stainless

Iron

       Bone

Advantages of Magnesium for medical applications 
    Bioabsorbability
          Essential element in human body
    Biocompatibility
    Metallurgically specific mechanical strength and deformability
    Overcoming the weak points (strength, absorbability) of Bioabsorbable polymer

PLLA

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