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18G.19G 100mm W-Cannula Dual Cog

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a. Pull end thread end

 

b.Bidirectional Cog Entering Cannula

 

c. Fixating Cog Vector prevents the thread from

progressing in the Cog direction.

 

d. Gaps between Lifting Vector Cog and Fixating Vector Cog

 

e. Lifting Vector Cog serves as an organizational pull

 

This shape of Cog has the disadvantage that the tissue dimples or wrinkles at the top of d and e.

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f. Fitting in Suture Needle or M-Sling

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g. Cog part inserted into the Suture Needle and inserted

 into the periosteum or subcutaneous layer with a reverse vector

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h. Gaps between Uni-Directional Lifting Vector Cog and

Fixating Vector Cog

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i. Uni-Directional Lifting Vector Cog.

 

This shape of Cog eliminates the drawbacks of dimples and

wrinkles in the upper part of d and e and significantly improves

lifting strength.

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Bidirectional Cog

Comparison   Between with Bi-Directional Single Cog & Dual Cog

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