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Material Safety

Our custom forumulated biopolymer is ISO 10993 and USP Class VI tested and certified. This means the material itself has been tested safe for permanent implantation, tissue irritation, direct blood contact, and cytotoxcitity. You can learn more about the testing of flex implants on our forum. Flex products have been implanted since April 2016 and we have had no reports of issues, reactions, or health complications due to our flex products being implanted. Dangerous Things founder and CEO Amal Graafstra underwent the first installation of a flex beta device on 03/02/2016 above the second metacarpal of the middle finger of his left hand. So far the installation has healed excellently and there are no signs of rejection or irritation at the installation site.


Placement Considerations

Unlike our glass encased devices like x-series chip implants, there is no "preferred" location for installation of a flex device. Customers are free to install a flex into any area of the body their installation professional is comfortable with, as long as it is in the fascia layer between dermis and muscle tissue and not in an area of flexion or under a gripping surface (like the palm side of the hand). Even though some of our images depict installation above the second metacarpal of one of the fingers, this is actually a very difficult location to install a flex. Fingers are filled with tendons, nerve bundles, and very important things all packed into a very tight space. We urge you and your installation professional to consider easier locations like the back of the hand or in the arm/wrist.

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