CONTRACEPTIVE DEVICE
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United States of America Patent
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N/A
Issued Date -
Feb 21, 2013
app pub date -
Mar 9, 2011
filing date -
Mar 9, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A composite material for occluding a body lumen comprising at least two different components that differ from each other by their value of elastic modulus is disclosed. One component has a value of elastic modulus of less than 4 GPa, and another component has a value of elastic modulus of above 4 GPa. The component that has a higher value of elastic modulus is embedded in the component that has a lower value of elastic modulus. The composite material comprises at least one portion that is free of the component that has the higher value of elastic modulus, wherein said portion is capable of expanding in at least one direction upon application of pressure perpendicular to the expanding direction, or upon application of heat, light or a chemical or biological impact. The composite material is particular suited for manufacturing implantable contraceptive devices.
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