Spring-Shaped Bioabsorbable Tack

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Bioabsorbable Tack

Micro Materials: This implantable tack is made of a bioabsorbable polymer.

Micro Features: All tolerances are +/-.002″ throughout. Ultra-sharp points with no discernible radius measured.

Description: This bioabsorbable tack required an extremely complex tool design. We built a multiple-ejector system in a sequence and reversed the sequence when the mold closed, creating a frenzy of moving parts. MTD molded this spring with tight tolerances from bottom to top. During the ejection sequence, we contained the part while it was still cooling so we didn’t compress the spring shape and could maintain the overall height (OAH) of the design. We produced this component with a minimal post-mold IV loss of < 3%.

Do you have similar features on your new micro medical device?

Talk to MTD.


Medical micro injection molding is what we do. And all we do.

We’ve made millions of micromolded medical parts. We have 15 years of expertise in working with bioabsorbable materials and problem-solving the most challenging micro part designs.

Bioabsorbable materials are very sensitive – and often very expensive. A successful bioabsorbable product will not only have premium part quality, but will also be a result of optimized runner size, which minimizes cost. Bioabsorbable devices also require more careful validation steps to achieve minimal and consistent IV loss and ensure superior functionality and capabilities.

Do you have a challenging bioabsorbable design?

Have you tried working with another manufacturer, who has yet to successfully build your design?

Our experienced team will help you refine and develop your design, so you can produce a high quality medical device and get it to market quickly.

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