Abstract: A blower includes a casing having an air inlet, an electric motor having a rotor and a stator, an impeller driven by the motor, and a diffuser for directing air from the impeller. The impeller and the diffuser are received in the casing. The impeller has a base and blades supported by the base. The diffuser has a plate like portion with diffuser vanes surrounding the impeller. Inlet angles of the impeller blades is between 20˜30 degrees and outlet angles of the impeller blades is between 26˜38 degrees.

Abstract: One embodiment provides a method for enzymatic treatment, including the steps of forming a closed space on a local tissue area with a device and infusing an enzyme solution into the closed space for enzymatic treatment. The method according to the embodiment is capable of treating the local tissue area with enzymes for enhancing cell proliferation in the treated tissue area and preventing damage of the adjacent normal tissues. A device and kit used for the method are also provided.

Abstract: An implant module for dragging a bone fragment toward a bone is provided. The bone fragment has a first through hole, and the bone has a second through hole. The implant module includes a screw and a stud. The screw has a first section fixed to the bone fragment and a second section provided with a first external thread on its outer surface. The stud is provided with a second external thread on its outer surface for being screwed into the second through hole of the bone. An end of the stud has a screw hole for being screwed with the second section of the screw via the first external thread. A method of repairing avulsion fracture by using the implant module is further provided.

Abstract: A device for fixing soft tissue. A sleeve is detachably connected to a self-drilling tapping screw, moving and rotating the self-drilling tapping screw. A guide bar is detachably connected to the self-drilling tapping screw and fit in the sleeve. A fixing pin is fit in a washer and connected to the self-drilling tapping screw. The guide bar is detachably fit in the fixing pin. The fixing pin abuts the washer and the self-drilling tapping screw.

Abstract: An optical system for measuring retinal-image quality has a light system constructed and arranged to provide light to be directed onto a retina of a subject's eye, a detection system arranged to receive at least a portion of the light after being reflected or scattered back from the retina of the subject's eye, and an afocal optical system arranged in an optical path of the light between the light system and the detection system. The afocal optical system is constructed and arranged to correct a refractive error of the subject's eye.

Abstract: A centrifugal pump has an electric motor, an impeller driven by the motor and a spiral volute. The impeller has an annular base plate and a plurality of vanes arranged on the base plate. The spiral volute has an inlet, an outlet and an impeller chamber in which the impeller is disposed. The inlet extends outwardly from a top wall of the volute. The outlet extends outwardly from a side wall of the volute in the spiral direction of the volute. The spiral volute has a wrap angle between 360 to 460 degrees. A washing apparatus incorporating the centrifugal pump is also provided.

Abstract: A multi-layered matrix, a method of tissue repair using the same, and multi-layered implant prepared thereof are provided. The multi-layered matrix comprises a first element and a second element connected thereto, and the second element comprises a hollow cavity. The first and the second elements are composed of a composite material comprising a bioabsorbable porous material.

Abstract: A multi-layered matrix, a method of tissue repair using the same, and multi-layered implant prepared thereof are provided. The multi-layered matrix comprises a first element and a second element connected thereto, and the second element comprises a hollow cavity. The first and the second elements are composed of a composite material comprising a bioabsorbable porous material.

Abstract: A device for fixing soft tissue. A sleeve is detachably connected to a self-drilling tapping screw, moving and rotating the self-drilling tapping screw. A guide bar is detachably connected to the self-drilling tapping screw and fit in the sleeve. A fixing pin is fit in a washer and connected to the self-drilling tapping screw. The guide bar is detachably fit in the fixing pin. The fixing pin abuts the washer and the self-drilling tapping screw.

Abstract: A device for fixing soft tissue. A sleeve is detachably connected to a self-drilling tapping screw, moving and rotating the self-drilling tapping screw. A guide bar is detachably connected to the self-drilling tapping screw and fit in the sleeve. A fixing pin is fit in a washer and connected to the self-drilling tapping screw. The guide bar is detachably fit in the fixing pin. The fixing pin abuts the washer and the self-drilling tapping screw.

Abstract: A bone repairing kit including a drilling device, a pushing device, a clamping member and a hole saw is provided. An end of a tube body of the drilling device is a knife portion. When the tube body rotates with respect to a femur, a bone column is cut by the knife portion and located in the tube body. The pushing device includes a hollow tube and a push bar. The hollow tube is for receiving the tube body. The push bar is for touching and pushing the bone column in the tube body. The clamping member is for clamping the bone column. The hole saw includes a receiving body and cutting knives. The receiving body has a recess for receiving an end of the bone column. The cutting knives surrounding on an inner wall of the recess are for cutting an edge of the end of the bone column.

Abstract: A multi-layered matrix, a method of tissue repair using the same, and multi-layered implant prepared thereof are provided. The multi-layered matrix comprises a first element and a second element connected thereto, and the second element comprises a hollow cavity. The first and the second elements are composed of a composite material comprising a bioabsorbable porous material.

Abstract: A multi-layered matrix, a method of tissue repair using the same, and multi-layered implant prepared thereof are provided. The multi-layered matrix comprises a first element and a second element connected thereto, and the second element comprises a hollow cavity. The first and the second elements are composed of a composite material comprising a bioabsorbable porous material.

Abstract: The present invention relates to the use of hyaluronan in protecting chondrocytes against oxidative damages and further promoting their proliferation. Particularly, the present invention relates to the use of hyaluronan with a molecular weight of 600,000-1,200,000 Dalton in protecting chondrocytes against reactive oxygen damages and further promoting their proliferation.

Abstract: A multi-layered matrix, a method of tissue repair using the same, and multi-layered implant prepared thereof are provided. The multi-layered matrix comprises a first element and a second element connected thereto, and the second element comprises a hollow cavity. The first and the second elements are composed of a composite material comprising a bioabsorbable porous material.

Abstract: A device for fixing soft tissue. A sleeve is detachably connected to a self-drilling tapping screw, moving and rotating the self-drilling tapping screw. A guide bar is detachably connected to the self-drilling tapping screw and fit in the sleeve. A fixing pin is fit in a washer and connected to the self-drilling tapping screw. The guide bar is detachably fit in the fixing pin. The fixing pin abuts the washer and the self-drilling tapping screw.

Abstract: An eye exercising device is disclosed having a positioning product to position the eye along an optical axis, which defines a range of accommodation for the eye. The range of accommodation is bounded by a proximal and a distal limit. An object is movable along the optical path and a displacement device is provided to displace continuously the object along the optical path from a first location on one side of a given one of the limits to a second location on another side of the given limit opposite the first location.