Methods of manufacturing a delivery system for promoting bone growth
First Claim
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1. A method of manufacturing a delivery system for promoting bone growth comprising:
- forming a water-absorbing, water-gelatinizable material that becomes gelatinous and self-adhesive when moistened with water into a hollow tube or pouch having an initially open end;
inserting a bone growth promoting material into the hollow tube or pouch through the initially open end;
closing the initially open end of the tube or pouch;
moistening the closed end with water so that it temporarily becomes gelatinous and self-adhesive; and
drying the closed, moistened, and self-adhesive end to form a sealed end of the tube or pouch and thereby form a delivery system for promoting bone growth comprised of;
an outer covering formed from the water-absorbing, water-gelatinizable material that defines an interior space; and
the bone growth promoting material encapsulated within the interior space by the outer covering,wherein the outer covering becomes sticky and adhesive to tissue in a bone void when moistened with water.
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Abstract
A method for manufacturing a delivery system that includes a bone growth promoting material encapsulated within a water-absorbing, water-gelatinizable covering used to promote bone growth in order to repair a bone defect and/or strengthen a weakened bone region. The delivery system may be shaped and sized in order to fit within a bleeding wound (e.g., one that is formed in the gingiva when a tooth is extracted). The covering may be formed of a gelatinizable-gauze (e.g., oxidized cellulose) that forms a gel-like material when moistened with water. The delivery system may be stored in a moisture resistant package prior to use.
37 Citations
20 Claims
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1. A method of manufacturing a delivery system for promoting bone growth comprising:
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forming a water-absorbing, water-gelatinizable material that becomes gelatinous and self-adhesive when moistened with water into a hollow tube or pouch having an initially open end; inserting a bone growth promoting material into the hollow tube or pouch through the initially open end; closing the initially open end of the tube or pouch; moistening the closed end with water so that it temporarily becomes gelatinous and self-adhesive; and drying the closed, moistened, and self-adhesive end to form a sealed end of the tube or pouch and thereby form a delivery system for promoting bone growth comprised of; an outer covering formed from the water-absorbing, water-gelatinizable material that defines an interior space; and the bone growth promoting material encapsulated within the interior space by the outer covering, wherein the outer covering becomes sticky and adhesive to tissue in a bone void when moistened with water. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of manufacturing a delivery system for promoting bone growth comprising:
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forming a non water-gelatinizable cellulose fabric into a hollow tube or pouch; inserting a bone growth promoting material into the tube or pouch; after inserting the bone growth promoting material into the tube or pouch, oxidizing the cellulose fabric in order to convert it into a water-absorbing, water-gelatinizable material that becomes sticky and adhesive to tissue in a bone void when moistened with water; and closing one or more initially open ends of the tube or pouch to form a delivery system for promoting bone growth comprised of; an outer covering formed from the water-absorbing, water-gelatinizable material that defines an interior space, and the bone growth promoting material encapsulated within the interior space by the outer covering, wherein the outer covering becomes sticky and adhesive to tissue in a bone socket when moistened with water. - View Dependent Claims (16, 17)
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18. A method of manufacturing a delivery system for promoting bone growth comprising:
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forming an oxidized cellulose gauze into a hollow tube or pouch having an initially open end, the oxidized cellulose gauze becoming gelatinous and self-adhesive when moistened with water; inserting a bone growth promoting material the hollow tube or pouch through the initially open end; closing and applying moisture to the initially closed end so that it temporarily becomes gelatinous and self-adhesive; and drying the closed and moistened end to form a sealed end of the tube or pouch and thereby form a delivery system for promoting bone growth comprised of; an outer covering formed from the water-absorbing, water-gelatinizable material that defines an interior space; and the bone growth promoting material encapsulated within the interior space by the outer covering, wherein the outer covering becomes sticky and adhesive to tissue in a bone socket when moistened with water. - View Dependent Claims (19, 20)
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Specification