Methods and devices for forming biomedical coatings using variable mixing rations of multi-part compositions
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United States of America Patent
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Nov 10, 2020
Grant Date -
Dec 27, 2018
app pub date -
Aug 21, 2018
filing date -
Mar 6, 2014
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Abstract
The present invention relates devices capable of continuous and simultaneous expression of components of a multi-part biomedical composition with variable mixing ratios. The device has at least two syringes that contain the inter-reactive components of the multi-part biomedical composition. At least the barrel of the first syringe has a first retention compartment having a cross-sectional area dimension that is larger than the cross-sectional area of a second retention compartment. The first piston has a cross-sectional dimension that matches the inside cross-sectional dimension of the small dimensioned retention compartment, while a ring-shaped gasket is located within the large dimensioned retention compartment and has an outside cross-sectional dimension that matches an interior dimension of the large dimension retention compartment.
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