Natural polymer-based tissue adhesive with healing-promoting properties
AssigneeHCS Innovation, LLC
InventorsRonnie Michael Hanes, Adele Lamping Hanes
Life of this patent
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Abstract
A tissue adhesive for contacting a tissue site, the tissue adhesive comprising: a mixture of natural polymers; and an activating agent enhancing the adhesive properties of the mixture of natural polymers. And a tissue adhesive for contacting a tissue site, the tissue adhesive comprising: a mixture of natural polymers; and an aqueous solution of a water soluble starch or a water soluble starch derivative which forms a gel with the addition of the mixture of natural polymers.
Claims21
A tissue adhesive gel for application to a tissue site, the tissue adhesive gel consisting of:
- a mixture of an alginate and chitosan, wherein the ratio of alginate to chitosan is between 10:90 and 90:10;
- and
- a 2-5% by weight aqueous solution of pullulan.
A tissue adhesive gel for application to a tissue site, the tissue adhesive gel consisting of:
- a mixture of an alginate and chitosan, wherein the ratio of alginate to chitosan is between 10:90 and 90:10;
- an aqueous solution of acetic acid, wherein the weight percent of the acetic acid solution is between 0.001-3%;
- and
- a 2-5% by weight aqueous solution of pullulan.
A tissue adhesive for application to a tissue site, the tissue adhesive comprising:
- a first adhesive surface for application to the tissue site, wherein the first adhesive surface comprises:
- a mixture of sodium alginate and chitosan, wherein the ratio of sodium alginate to chitosan is between 10:90 and 90:10;
- and
- a 2-5% by weight aqueous solution of pullulan;
- and
- a second toughened surface opposite to the first surface, wherein the second toughened surface comprises calcium alginate.
Dependencies are inferred from the claim text.