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US 2014/0005375 A1Published application
Medical Devices Based On Oxidized Cellulose
AssigneesCovidien LP, Confluent Surgical, Inc.
InventorsValentino Tramontano, Phillip Blaskovich, Rachit Ohri, Joshua Kennedy, Sajida Farooqi
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Abstract
A process for dissolving modified cellulose includes contacting modified cellulose with a solvent in a mixture to form swelled modified cellulose and then contacting the mixture with a salt to dissolve the swelled modified cellulose. The dissolved modified cellulose is used to form at least one of a predictably degrading coating, film, or a fiber.
Claims20
A medical device comprising:
- at least one of a predictably degrading coating, film, or a fiber formed from a modified cellulose solution.
A process comprising:
- contacting a modified cellulose with a solvent under an inert atmosphere to form a swelled modified cellulose;
- adjusting the swelled modified cellulose mixture to a first temperature;
- contacting the swelled modified cellulose with a salt under the inert atmosphere to form a modified cellulose solution;
- adjusting the modified cellulose solution to a second temperature that is lower than the first temperature;
- and
- forming at least one of a fiber, a coating, or a film from the modified cellulose solution.
3 more elements
Dependencies are inferred from the claim text.