The present invention aims to provide a method for producing a porous substrate containing a bioabsorbable polymer and heparin in a simple manner without use of a surfactant, a porous substrate containing a bioabsorbable polymer and heparin, and an artificial blood vessel. The present invention provides a method for producing a porous substrate containing a bioabsorbable polymer and heparin, including: a solution preparing step of preparing a heparin-bioabsorbable polymer solution having heparin uniformly dispersed therein and a bioabsorbable polymer dissolved therein, using the bioabsorbable polymer, the heparin, a solvent 1 that is a poor solvent having a lower solvency for the bioabsorbable polymer, a solvent 2 that is a good solvent having a higher solvency for the bioabsorbable polymer and is incompatible with the solvent 1, and a common solvent 3 compatible with the solvent 1 and the solvent 2; a precipitating step of cooling the heparin-bioabsorbable polymer solution to precipitate a porous body containing the bioabsorbable polymer and the heparin; and a freeze-drying step of freeze-drying the porous body containing the bioabsorbable polymer and the heparin to provide a porous substrate containing the heparin.

The present invention relates to the unexpected discovery of 3D printed biomimetics of growth plate cartilage and methods using the same for the treatment of growth plate defects. In certain embodiments, the methods prevent the growth of bony bars at the site of growth plate injury, thereby preventing growth arrest and/or deformity.

The invention relates to a method for producing a bioartificial and primarily acellular fibrin-based construct, wherein a mixture of cell-free compositions containing fibrinogen and thrombin is applied to a surface and subsequently pressurised. An additional aspect of the invention is directed to such fibrin-based bioartificial acellular constructs obtained according to the invention, with improved biomechanical properties, as well as to the use of same in the field of implantology, cartilage replacement or tissue replacement.

A tissue repair fibrous membrane, preparation method and application thereof, and tissue repair product. The tissue repair fibrous membrane is formed by interweaving fiber filaments having a diameter of 10 nm to 100 μm, and has pore structures formed by interweaving between the fiber filaments. The fiber filaments have concave structures, and have annular convex structures thereon in the radial direction of the filaments.

Cartilage derived tissue compositions, methods of making, and methods of using same. The cartilage derived tissue compositions may comprise porcine nasal septal tissue. The cartilage derived tissue compositions also being processed to retain a beneficial component profile, while reducing cellular and DNA content.

The present invention provides threads of hyaluronic acid, and/or derivatives thereof, methods of making thereof and uses thereof, for example, in aesthetic applications (e.g., dermal fillers), surgery (sutures), drug delivery, etc.

The invention relates to biocompatible polymer gel compositions useful in facilitating and maintaining hemostasis. The biocompatible polymeric gel composition is comprised of (a) one or more than one polyanionic polymer, (b) one or more than one polycationic polymer, and (c) a solvent. A preferred composition includes sodium alginate, chitosan, and water to produce an adhesive hemostatic device that is useful in facilitating and maintaining rapid hemostasis.

Disclosed herein is a polymeric material that includes a crosslinked polymer matrix formed from a non-mammalian collagen and a crosslinking agent and/or a crosslinked polymer matrix formed from a non-mammalian collagen that has undergone self-crosslinking, wherein the non-mammalian collagen is type I collagen. Also disclosed herein is a wound dressing that incorporates said material and methods of treatment of a wound with said polymeric material or said wound dressing.

A nerve regeneration device comprising a bioresorbable conduit and a matrix contained therein having elongate pores aligned with the longitudinal axis of the conduit. The matrix comprises collagen, fibronectin, laminin-1, and laminin-2, wherein the amount, by weight, of laminin-1 or laminin-2 is greater than the amount of fibronectin in the matrix.

The present invention aims to provide a method for producing a porous substrate containing a bioabsorbable polymer and heparin in a simple manner without use of a surfactant, a porous substrate containing a bioabsorbable polymer and heparin, and an artificial blood vessel. The present invention provides a method for producing a porous substrate containing a bioabsorbable polymer and heparin, including: a solution preparing step of preparing a heparin-bioabsorbable polymer solution having heparin uniformly dispersed therein and a bioabsorbable polymer dissolved therein, using the bioabsorbable polymer, the heparin, a solvent 1 that is a poor solvent having a lower solvency for the bioabsorbable polymer, a solvent 2 that is a good solvent having a higher solvency for the bioabsorbable polymer and is incompatible with the solvent 1, and a common solvent 3 compatible with the solvent 1 and the solvent 2; a precipitating step of cooling the heparin-bioabsorbable polymer solution to precipitate a porous body containing the bioabsorbable polymer and the heparin; and a freeze-drying step of freeze-drying the porous body containing the bioabsorbable polymer and the heparin to provide a porous substrate containing the heparin.