Patent application number | Description | Published |
20080274157 | Cartilage implant plug with fibrin glue and method for implantation - The invention is directed toward a cartilage repair assembly comprising a shaped structure of subchondral bone with an integral overlying cartilage cap which is treated to remove cellular debris and proteoglycans and milled cartilage in a bioabsorbable carrier. The shaped structure is dimensioned to fit in a drilled bore in a cartilage defect area so that said shaped bone and cartilage cap when centered in the bore does not engage the side wall of the bore and is positioned from the side wall of the bone a distance ranging from 10 microns to 1000 microns and is surrounded by milled cartilage and a fibrin thrombin glue. A method for inserting the assembly into a cartilage defect area is disclosed. | 11-06-2008 |
20090043389 | CARTILAGE IMPLANT PLUG WITH FIBRIN GLUE AND METHOD FOR IMPLANTATION - The invention is directed toward a cartilage repair assembly comprising a shaped structure of subchondral bone with an integral overlying cartilage cap which is treated to remove cellular debris and proteoglycans and milled cartilage in a bioabsorbable carrier. The shaped structure is dimensioned to fit in a drilled bore in a cartilage defect area so that said shaped bone and cartilage cap when centered in the bore does not engage the side wall of the bore in an interference fit and is surrounded by milled cartilage and carrier. A method for inserting the assembly into a cartilage defect area is disclosed. | 02-12-2009 |
20100279112 | SILK FIBROIN MATERIALS AND USE THEREOF - The present invention provides processes for producing porous silk fibroin scaffold material. The porous silk fibroin scaffold can be used for tissue engineering. The porosity of the silk fibroin scaffolds described herein can be adjusted as to mimic the gradient of densities found in natural tissue. Accordingly, methods for engineering of 3-dimensional tissue, e.g. bone and cartilage, using the silk fibroin scaffold material are also provided. | 11-04-2010 |
20110076384 | SYSTEM AND METHOD FOR MAKING BIOMATERIAL STRUCTURES - A system and method for making a biomaterial device includes a support structure providing a shape for a biomaterial device. At least one applicator has a supply of biomaterial solution and is positioned along the support structure. The at least one applicator forms a biomaterial fiber by applying shear force to the biomaterial solution and delivering the biomaterial fiber to the support structure. A controller causes relative movement between the support structure and the at least one applicator, and the biomaterial fiber is arranged on the support structure according to the relative movement to form the biomaterial device. The biomaterial may be silk fibroin which may be wound onto a reciprocating and rotating mandrel. Control over the properties of the biomaterial device is achieved through appropriate selection of material processing, winding strategy, and post-winding processing. | 03-31-2011 |
20110136225 | BIOREACTOR, DEVICES, SYSTEMS AND METHODS - Disclosed are bioreactor devices, systems and methods. A bioreactor system can include one or more bioreactor modules that can be individually controllable and identifiable. A bioreactor module can be connected to one or more functional modules such as a pump module, a stimulation signal generation module, a motor module, a mechanical transmission module, a gas exchange module, a temperature module, a humidity module and/or a CO | 06-09-2011 |
20120035742 | Methods, Devices and Systems for Bone Tissue Engineering Using a Bioreactor - An anatomically-shaped, human bone graft may be cultivated ex vivo using a bioreactor capable of perfusing large complex porous scaffolds. Scaffolds derived from image-based modeling of a target are seeded with human mesenchymal stem cells and cultivated. A bioreactor configured to house complex three-dimensional scaffold geometries provides controlled flow for perfusion of the cells. Dense uniform cellular growth can be attained throughout the entire scaffold as a result of the medium perfusion. In an embodiment, the bioreactor has a mold into which perfusion medium is pumped under pressure and multiple ports through which the medium exits the mold. | 02-09-2012 |
20120123519 | TUBULAR SILK COMPOSITIONS AND METHODS OF USE THEREOF - Described are tubular silk fibroin compositions and methods for their manufacture and use. Tubular compositions as described herein can be produced in a range of high burst strengths, can easily be made in a range of inner diameters, can be derivatized with functional moieties, and can be produced in a range of permeabilities suitable for particularized uses. In one aspect, the tubular compositions can be used in the repair or replacement of damaged or diseased blood vessels, including, but not limited to vessels smaller than about 6 mm. | 05-17-2012 |
20130158131 | SILK FIBROIN MATERIALS AND USE THEREOF - The present invention provides processes for producing porous silk fibroin scaffold material. The porous silk fibroin scaffold can be used for tissue engineering. The porosity of the silk fibroin scaffolds described herein can be adjusted as to mimic the gradient of densities found in natural tissue. Accordingly, methods for engineering of 3-dimensional tissue, e.g. bone and cartilage, using the silk fibroin scaffold material are also provided. | 06-20-2013 |
20130230491 | COVALENTLY IMMOBILIZED PROTEIN GRADIENTS IN THREE-DIMENSIONAL POROUS SCAFFOLDS - The invention provides a method for forming an immobilized agent gradient within a 3-dimensional porous scaffold. A 3-dimensional scaffold formed from a biocompatible material is provided. The surface of the scaffold and/or the agent is activated so as to allow binding of the agent to the scaffold. The activated scaffold is contacted with a solution containing the agent. Contact with the solution is maintained for a sufficient period of time to allow diffusion of the solution through a portion of the scaffold, thereby forming a desired gradient of the agent through the 3-dimensional scaffold. | 09-05-2013 |
20140094410 | SILK FIBROIN MATERIALS AND USE THEREOF - The present invention provides processes for producing porous silk fibroin scaffold material. The porous silk fibroin scaffold can be used for tissue engineering. The porosity of the silk fibroin scaffolds described herein can be adjusted as to mimic the gradient of densities found in natural tissue. Accordingly, methods for engineering of 3-dimensional tissue, e.g. bone and cartilage, using the silk fibroin scaffold material are also provided. | 04-03-2014 |
20140322696 | FUNCTIONAL RECOVERY OF HUMAN LUNGS FOR TRANSPLANTATION - The vasculature of a donor lung is perfused with a lung preserving fluid to preserve its structure. At the same time, a decellularization fluid is perfused through the airways, which strips away donor cells. The decellularized region is then seeded with pulmonary cells of the transplant recipient, which regenerate the lung. The pulmonary cells may be derived from stem cells, and the decellularization can be targeted to reduce the quantity of cells required. | 10-30-2014 |
20150037434 | BIOMATERIALS DERIVED FROM TISSUE EXTRACELLULAR MATRIX - Region-specific extracellular matrix (ECM) biomaterials are provided. Such materials include acellular scaffolds, sponges, solutions, and hydrogels suitable for stem cell culture. | 02-05-2015 |