Abstract: Implants for resurfacing or repairing one or more articular cartilage bearing surfaces of a biological organism include an engineered tissue and a biocompatible porous substrate secured to the engineered tissue for attaching the implant to a native bone of the biological organism. The engineered tissue includes a scaffold containing a biocompatible material, and a plurality of living chondrocytes supported by the scaffold. Methods for culturing chondrocytes for incorporation into a biocompatible implant are provided. A bioreactor for producing functional cartilaginous tissue from a cell-seeded scaffold and a system for producing functional cartilaginous tissue are also provided.

Abstract: Implants for resurfacing or repairing one or more articular cartilage bearing surfaces of a biological organism include an engineered tissue and a biocompatible porous substrate secured to the engineered tissue for attaching the implant to a native bone of the biological organism. The engineered tissue includes a scaffold containing a biocompatible material, and a plurality of living chondrocytes supported by the scaffold. Methods for culturing chondrocytes for incorporation into a biocompatible implant are provided. A bioreactor for producing functional cartilaginous tissue from a cell-seeded scaffold and a system for producing functional cartilaginous tissue are also provided.

Abstract: The present invention discloses a readjustment-preventing carburetor and a method for preventing the carburetor from being readjusted. The carburetor includes an idle adjusting screw having a concave neck, an idle port and a screw hole communicating with the idle port. The idle adjusting screw is joined with the screw hole as a whole after being adjusted to a certain position, and any further adjustment will cause the concave neck to be broken off to prevent the idle adjusting screw of the carburetor from being readjusted. Additionally, the idle adjusting screw is joined with the screw hole by bonding or welding, thereby fundamentally preventing anyone from readjusting the idle adjusting screw of the carburetor and ensuring the discharge of the gasoline engine always in conformity with the requirements of environmental protection. The carburetor and the method of the present invention have the characteristics of simple process and structure, safety use and reliability.

Abstract: The present invention discloses a readjustment-preventing carburetor and a method for preventing the carburetor from being readjusted. Said carburetor comprises an idle adjusting screw, an idle port and a screw hole communicating with the idle port, wherein said idle adjusting screw is consolidated with said screw hole as a whole after being adjusted to a certain position, so as to prevent the idle adjusting screw of the carburetor from being readjusted. The consolidation of the present invention can be bonding or welding, thereby fundamentally preventing the user from readjusting the idle adjusting screw of the carburetor and ensuring the discharge of the gasoline engine always in conformity with the requirements of environmental protection. The carburetor and the method of the present invention have the characteristics of simple process and structure, safety use and reliability.

Abstract: Implants for resurfacing or repairing one or more articular cartilage bearing surfaces of a biological organism include an engineered tissue and a biocompatible porous substrate secured to the engineered tissue for attaching the implant to a native bone of the biological organism. The engineered tissue includes a scaffold containing a biocompatible material, and a plurality of living chondrocytes supported by the scaffold. Methods for culturing chondrocytes for incorporation into a biocompatible implant are provided. A bioreactor for producing functional cartilaginous tissue from a cell-seeded scaffold and a system for producing functional cartilaginous tissue are also provided.