Abstract: A device for detecting physiological sounds includes a thin film and a conductive element for conducting sounds to the thin film when contacting a skin of a live being. The conductive element is located on the thin film. The device of the invention can significantly improve the detection sensitivity and resolution of physiological sounds, and can give early diagnosis pathological sounds, for example, heart failure can be detected by means of heart sound diagnosis.

Abstract: A device for detecting physiological sounds includes a thin film and a conductive element for conducting sounds to the thin film when contacting a skin of a live being. The conductive element is located on the thin film. The device of the invention can significantly improve the detection sensitivity and resolution of physiological sounds, and can give early diagnosis pathological sounds, for example, heart failure can be detected by means of heart sound diagnosis.

Abstract: The invention relates to a device for detecting physiological sounds, the device comprising a thin film, and a first conductive element for conducting sounds, the conductive element being located on the thin film. In some embodiments, the said detection device comprises a cavity; the thin film is a part of the cavity. Wherein the volume of the cavity is variable; wherein the said volume of the cavity is reduced, either when the conductive element contacts the skin of a human or a mammal, or before the conductive element contacts the skin of a human or a mammal, or after the conductive element contacts the skin of a human or a mammal. The device of the inventions can significantly improve the detection sensitivity and resolution of physiological sounds, and can give early diagnosis pathological sounds, for example, heart failure can be detected by means of heart sound diagnosis.

Abstract: The invention relates to a device for detecting physiological sounds, the device comprising a thin film, and a first conductive element for conducting sounds, the conductive element being located on the thin film. In some embodiments, the detection device comprises a cavity; the thin film is a part of the cavity. The volume of the cavity is variable; the volume of the cavity is reduced, either when the conductive element contacts the skin of a human or a mammal, or before the conductive element contacts the skin of a human or a mammal, or after the conductive element contacts the skin of a human or a mammal. The device of the inventions can significantly improve the detection sensitivity and resolution of physiological sounds, and can give early diagnosis pathological sounds, for example, heart failure can be detected by heart sound diagnosis.

Abstract: The invention relates to a device for detecting physiological sounds, the device comprising a thin film, and a first conductive element for conducting sounds, the conductive element being located on the thin film. In some embodiments, the said detection device comprises a cavity; the thin film is a part of the cavity. Wherein the volume of the cavity is variable; wherein the said volume of the cavity is reduced, either when the conductive element contacts the skin of a human or a mammal, or before the conductive element contacts the skin of a human or a mammal, or after the conductive element contacts the skin of a human or a mammal. The device of the inventions can significantly improve the detection sensitivity and resolution of physiological sounds, and can give early diagnosis pathological sounds, for example, heart failure can be detected by means of heart sound diagnosis.

Abstract: The application is related to a method for preparing an induced osteogenesis formulation, the method comprises the following steps: (1) a human dental matrix is decalcified; (2) then an exogenous active protein BMP, i.e. bone morphogenetic protein is added to the decalcified dental matrix, resulting in the induced osteogenesis formulation.

Abstract: A suction tube for abortion is provided in the invention, including a tube body, wherein the tube body includes a first cavity and a second cavity, the first cavity is a suction cavity, having an inlet for sucking from the body and an outlet for discharging to the outside of the body; and the second cavity also includes an inlet for connecting with the inside body and an outlet for connecting with the outside, wherein the outlet is connected with the fluid in the external environment through a first conduit and a second conduit, the first conduit can only connect with the fluid in a one-way manner from the outside to the second cavity, and the second conduit can only connect with the fluid in a one-way manner from the second cavity to the outside. When in use, the invention can prevent the uterine blood from reversely flowing in the induced abortion, and prevent against endometriosis and infertility; reduce the muscular tension of the uterine wall in the induced abortion, and reduce bleeding and pain.

Abstract: The application is related to a method for preparing an induced osteogenesis formulation, the method comprises the following steps: (1) a human dental matrix is decalcified; (2) then an exogenous active protein BMP, i.e.