A61L27/48

COMPOSITE SCAFFOLD FOR THE REPAIR, RECONSTRUCTION, AND REGENERATION OF SOFT TISSUES

A composite scaffold having a highly porous interior with increased surface area and void volume is surrounded by a flexible support structure that substantially maintains its three-dimensional shape under tension and provides mechanical reinforcement during repair or reconstruction of soft tissue while simultaneously facilitating regeneration of functional tissue.

COMPOSITE SCAFFOLD FOR THE REPAIR, RECONSTRUCTION, AND REGENERATION OF SOFT TISSUES

A composite scaffold having a highly porous interior with increased surface area and void volume is surrounded by a flexible support structure that substantially maintains its three-dimensional shape under tension and provides mechanical reinforcement during repair or reconstruction of soft tissue while simultaneously facilitating regeneration of functional tissue.

Supramolecular gylcosaminoglycans

Provided herein are glycosylated peptide amphiphiles (GPAs), supramolecular glyconanostructures assembled therefrom, and methods of use thereof. In particular, provided herein are glycosaminoglycan (GAG) mimetic peptide amphiphiles (PAs) and supramolecular GAG mimetic nanostructures assembled therefrom that mimic the biological activities of GAGs, such as heparin, heparan sulfate, hyaluronic acid etc.

Supramolecular gylcosaminoglycans

Provided herein are glycosylated peptide amphiphiles (GPAs), supramolecular glyconanostructures assembled therefrom, and methods of use thereof. In particular, provided herein are glycosaminoglycan (GAG) mimetic peptide amphiphiles (PAs) and supramolecular GAG mimetic nanostructures assembled therefrom that mimic the biological activities of GAGs, such as heparin, heparan sulfate, hyaluronic acid etc.

METHOD AND APPARATUS FOR TREATING BONE FRACTURES, AND/OR FOR FORTIFYING AND/OR AUGMENTING BONE, INCLUDING THE PROVISION AND USE OF COMPOSITE IMPLANTS, AND NOVEL COMPOSITE STRUCTURES WHICH MAY BE USED FOR MEDICAL AND NON-MEDICAL APPLICATIONS

A composite comprising: a barrier, said barrier being configured to selectively pass water, and said barrier being degradable in the presence of water; a matrix material for disposition within said barrier, wherein said matrix material has a flowable state and a set state, and wherein said matrix material is degradable in the presence of water; and at least one reinforcing element for disposition within said barrier and integration with said matrix material, wherein said at least one reinforcing element is degradable in the presence of water, and further wherein, upon the degradation of said at least one reinforcing element in the presence of water, provides an agent for modulating the degradation rate of said matrix material in the presence of water.

MEANS AND METHODS FOR IMPLANTING CELLS SECRETING A THERAPEUTIC COMPOUND
20240009437 · 2024-01-11 ·

A device for implantation into a mammalian host has a dialysis tube with a lumen and a dialysis membrane enclosing the lumen. The dialysis tube has an outer diameter of 20 m to 600 m. The dialysis membrane has a molecular weight cutoff of from 25 kDa to 150 kDa and has a material composition of at least one of the following: polyethersulfone, polyarylethersulfone, polyethylene, polytetrafluoroethylene, polyvinylidene fluoride, and polypropylene. A therapeutic composition is disposed within the lumen and has cells that secrete a therapeutic compound. A matrix material embeds the cells. The matrix material is one or more of alginate, collagen, fibrin, extracellular matrix material, synthetic hydrogel, and acrylate. Also disclosed are a method of producing a device for implantation, a port system, and a cell secreting a therapeutic compound for use in treating disease by implantation of the cells in a device for implantation.

MEANS AND METHODS FOR IMPLANTING CELLS SECRETING A THERAPEUTIC COMPOUND
20240009437 · 2024-01-11 ·

A device for implantation into a mammalian host has a dialysis tube with a lumen and a dialysis membrane enclosing the lumen. The dialysis tube has an outer diameter of 20 m to 600 m. The dialysis membrane has a molecular weight cutoff of from 25 kDa to 150 kDa and has a material composition of at least one of the following: polyethersulfone, polyarylethersulfone, polyethylene, polytetrafluoroethylene, polyvinylidene fluoride, and polypropylene. A therapeutic composition is disposed within the lumen and has cells that secrete a therapeutic compound. A matrix material embeds the cells. The matrix material is one or more of alginate, collagen, fibrin, extracellular matrix material, synthetic hydrogel, and acrylate. Also disclosed are a method of producing a device for implantation, a port system, and a cell secreting a therapeutic compound for use in treating disease by implantation of the cells in a device for implantation.

IMPLANTABLE BIOREACTOR AND METHODS FOR MAKING AND USING SAME

The present invention provides an implantable bioreactor comprising cells enclosed within an enclosure, said cells being capable of producing paracrine factors, wherein the enclosure is collapsible or expandable or both or neither, wherein the enclosure is semipermeable such that it provides containment of the cells preventing the egress of the cells while further providing a barrier that shields the cells from immunological attack, and wherein the enclosure is permeable to the entire secretome of the cell including exosomes, nucleic acids and proteins. The implantable bioreactor can have various configurations and can house internally a cell culture matrix than can include hydrogels, microbeads, and nanofiber matrices along with other active agents.

IMPLANTABLE BIOREACTOR AND METHODS FOR MAKING AND USING SAME

The present invention provides an implantable bioreactor comprising cells enclosed within an enclosure, said cells being capable of producing paracrine factors, wherein the enclosure is collapsible or expandable or both or neither, wherein the enclosure is semipermeable such that it provides containment of the cells preventing the egress of the cells while further providing a barrier that shields the cells from immunological attack, and wherein the enclosure is permeable to the entire secretome of the cell including exosomes, nucleic acids and proteins. The implantable bioreactor can have various configurations and can house internally a cell culture matrix than can include hydrogels, microbeads, and nanofiber matrices along with other active agents.

HIGH-IMPACT, TRANSPARENT PROSTHESIS MATERIAL HAVING A LOW RESIDUAL MMA CONTENT
20200289705 · 2020-09-17 · ·

The subject matter of the invention is an autopolymerisable 2-component prosthetic base material, a kit containing the material as well as a method for its production comprising at least one liquid monomer component (A), and at least one powdered component (B), wherein the prosthetic material in component (A) besides methylmethacrylate contains at least one N-alkyl-substituted acryloyloxy carbamate having a molecular mass of less than or equal to 250 g/mol, optionally at least one at least di-functional urethane (meth)acrylate, a di-, tri-, tetra- or multi-functional monomer not being urethane (meth)acrylate, and optionally polymeric particles having a primary particle size of less than 800 nm, and the powdered component (B) comprises polymeric particles having at least three different particle size fractions, and both (A) and (B) contains at least one initiator or at least one component of an initiator system for autopolymerisation.