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US 9,976,112 B2Granted
Absorbent pads and methods of manufacturing
AssigneeMerit Medical Systems, Inc.
InventorMeriadeg Thomas
Life of this patent
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Abstract
The embodiments disclosed herein relate to absorbent pads. The absorbent pads can be used as cleansing wipes, and can be used to clean various objects, including gloves, medical appliances, and elongate medical devices. The absorbent pads can include a polymer matrix and a reinforcement member. Methods of manufacturing the absorbent pads can include physically cross-linking a polymer solution or foam to form a cross-linked polymer matrix. One or more freeze-thaw cycles can be used to cross-link the polymer solution or foam.
Claims17
A method of manufacturing an absorbent pad, comprising:
- obtaining a polymer solution;
- mixing the polymer solution to form a foam;
- dispensing the foam into a mold apparatus;
- and
- curing the foam to form a cross-linked polymer matrix, wherein curing the foam comprises at least one freeze-thaw cycle, the freeze-thaw cycle comprising:
- a freezing step;
- and
- a thawing step.
5 more elements
Dependencies are inferred from the claim text.