Biodegradable vascular device with buffering agent

Details Biodegradable vascular device with buffering agent Biodegradable vascular device with buffering agent

A - Human Necessities

61

L

A61L 27/58 (2006.01) A61L 27/18 (2006.01) A61L 27/34 (2006.01) A61L 31/06 (2006.01) A61L 31/10 (2006.01) A61L 31/14 (2006.01)

Patent

CA 2508587

A medical device for placement at a site in a patient's body and for controlling pH levels at the site in the patient's body includes one or more structural components made of a first biodegradable and/or bioabsorbable material or, alternatively, one or more structural components having a coating thereon made of a first biodegradable and/or bioabsorbable material. The device also includes a buffering agent and at least one second biodegradable and/or bioabsorbable material on or in the one or more structural components, or alternatively, on or in the coating on the one or more structural components. The at least one second biodegradable and/or bioabsorbable material encapsulates the buffering agent and the buffering agent is dispersed from the at least one second biodegradable and/or bioabsorbable material in response to hydrolysis of the first biodegradable and/or bioabsorbable material. Additionally, the device can include a drug that is either also encapsulated by the at least one second biodegradable and/or bioabsorbable material or is included with the first biodegradable and/or bioabsorbable material.

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