A61L27/48

RIGID RESORBABLE MATERIALS WITH POLYMER AND ORGANIC FILLERS

This invention relates to the composition of flexible resorbable polymers with rigid resorbable fillers. The invention further relates to processing of flexible resorbable polymers with rigid resorbable fillers. The invention relates also to the use of such materials for applications in fast degradation applications. The invention also relates to the composition of flexible resorbable polymers with rigid resorbable for making shape memory materials. This invention also related to the processing of such materials by extrusion, injection molding, thermoforming, solvent mixing, and additive manufacturing. The invention also relates to the use of such materials as bone filler, vascular closure and other hemostasis devices, aneurysms, and stent applications. The invention also relates to the use of such materials as drug delivery platforms.

RIGID RESORBABLE MATERIALS WITH POLYMER AND ORGANIC FILLERS

This invention relates to the composition of flexible resorbable polymers with rigid resorbable fillers. The invention further relates to processing of flexible resorbable polymers with rigid resorbable fillers. The invention relates also to the use of such materials for applications in fast degradation applications. The invention also relates to the composition of flexible resorbable polymers with rigid resorbable for making shape memory materials. This invention also related to the processing of such materials by extrusion, injection molding, thermoforming, solvent mixing, and additive manufacturing. The invention also relates to the use of such materials as bone filler, vascular closure and other hemostasis devices, aneurysms, and stent applications. The invention also relates to the use of such materials as drug delivery platforms.

POLYMER BASED HYDROGELS, AEROGELS, AND COMBINATIONS THEREOF
20220280698 · 2022-09-08 ·

Disclosed herein are hybrid materials including a polyvinyl alcohol component combined with a filler. The filler may be one or more of crystalline nanocellulose and chitin nanofibers. The hybrid materials may also include water, and in such cases are designated hydrogels. The hybrid materials may be substantially free of solvents including water, and in such cases are designated aerogels. The hydrogels, aerogels, and combinations thereof may be advantageously included in biomimetic implants, including as a biomimetic intervertebral disc replacement

POLYMER BASED HYDROGELS, AEROGELS, AND COMBINATIONS THEREOF
20220280698 · 2022-09-08 ·

Disclosed herein are hybrid materials including a polyvinyl alcohol component combined with a filler. The filler may be one or more of crystalline nanocellulose and chitin nanofibers. The hybrid materials may also include water, and in such cases are designated hydrogels. The hybrid materials may be substantially free of solvents including water, and in such cases are designated aerogels. The hydrogels, aerogels, and combinations thereof may be advantageously included in biomimetic implants, including as a biomimetic intervertebral disc replacement

Tissue substitute multilayer matrix and uses thereof
11406730 · 2022-08-09 · ·

Compositions-of-matter comprising a matrix made of one or more, preferably two or more elastic layers and one or more viscoelastic layer are disclosed. The compositions-of-matter are characterized by high water-impermeability and optionally by self-recovery. Processes of preparing the compositions-of-matter and uses thereof as tissue substitutes or for repairing damaged tissues are also disclosed.

BIOMEDICAL COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR

The present invention relates to an absorbable biomedical composite material and a preparation method therefor, wherein the absorbable biomedical composite material comprises: a substrate particle containing a calcium phosphate compound; an intermediate layer which is coated on the surfaces of the substrate particle and has a first glass transition temperature, the first glass transition temperature being not higher than a normal body temperature; and a polymer matrix which is formed on the outer surface of the intermediate layer and has a second glass transition temperature, the second glass transition being higher than the first glass transition temperature. The present invention can provide an absorbable biomedical composite material which not only increases the mechanical strength but also improves the toughness.

BIOMEDICAL COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR

The present invention relates to an absorbable biomedical composite material and a preparation method therefor, wherein the absorbable biomedical composite material comprises: a substrate particle containing a calcium phosphate compound; an intermediate layer which is coated on the surfaces of the substrate particle and has a first glass transition temperature, the first glass transition temperature being not higher than a normal body temperature; and a polymer matrix which is formed on the outer surface of the intermediate layer and has a second glass transition temperature, the second glass transition being higher than the first glass transition temperature. The present invention can provide an absorbable biomedical composite material which not only increases the mechanical strength but also improves the toughness.

AN ABSORBABLE BIOMEDICAL POLYLACTIC ACID COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR

The present invention relates to an absorbable biomedical composite material and a preparation method therefor, wherein the absorbable biomedical composite material comprises: a substrate particle containing a calcium phosphate compound; an intermediate layer which is coated on the surfaces of the substrate particle and has a first glass transition temperature, the first glass transition temperature being not higher than a normal body temperature; and a polymer matrix which is formed on the outer surface of the intermediate layer and has a second glass transition temperature, the second glass transition being higher than the first glass transition temperature. The present invention can provide an absorbable biomedical composite material which not only increases the mechanical strength but also improves the toughness.

AN ABSORBABLE BIOMEDICAL POLYLACTIC ACID COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR

The present invention relates to an absorbable biomedical composite material and a preparation method therefor, wherein the absorbable biomedical composite material comprises: a substrate particle containing a calcium phosphate compound; an intermediate layer which is coated on the surfaces of the substrate particle and has a first glass transition temperature, the first glass transition temperature being not higher than a normal body temperature; and a polymer matrix which is formed on the outer surface of the intermediate layer and has a second glass transition temperature, the second glass transition being higher than the first glass transition temperature. The present invention can provide an absorbable biomedical composite material which not only increases the mechanical strength but also improves the toughness.

MICROSTRUCTURED HAPTOTAXIC IMPLANT
20220211905 · 2022-07-07 ·

The invention relates to the field of tissue engineering and regenerative medicine, and particularly to a three-dimensional biomimetic tissue scaffold that exploits the use of three-dimensional print technology. Surface energy is controlled by precisely placing polymers with differing surface chemistry, and using surface texture and bulk composition to pattern absorbable and non-absorbable polymers for the purpose of promoting functional healing in a mammalian body.