Abstract: A percutaneous intra-aortic ventricular assist device is adapted for implantation in an aorta that has a luminal wall, and includes a tubular stent body, an inner tubular body, a vane member, a carrier member, a rib unit, a first pulled string, a second pulled string, an alternately pulling mechanism, and a synchronizing member.

Abstract: A method of stopping a bleeding from a fistula situated on a limb of a patient for hemodialysis, includes: providing a tourniquet band having a blood-stopping protrusion projecting therefrom; encircling the limb of the patient with the tourniquet band to cover the fistula and pressing the fistula with the blood-stopping protrusion to stop the bleeding; connecting a sensor to the tourniquet band to sense a blood flow in the fistula and to generate a signal representative of the blood flow; and electrically connecting a notifying device to the sensor and using the notifying device to produce a notifying signal in response to the signal transmitted by the sensor.

Abstract: A percutaneous intra-aortic ventricular assist device is adapted for implantation in an aorta that has a luminal wall, and includes a tubular stent body, an inner tubular body, a vane member, a carrier member, a rib unit, a first pulled string, a second pulled string, an alternately pulling mechanism, and a synchronizing member.

Abstract: An implantable valvular prosthesis is adapted for replacement of an anatomic valve that controls passage of blood flowing from an atrium to a ventricle in a patient's heart. The implantable valvular prosthesis includes a tubular stent body, at least one valve flap member, and a graft member. The tubular stent body includes a tubular trailing region and a tubular leading region. The valve flap member is disposed to associate with the tubular stent body. The graft member covers an abluminal surface of the tubular stent body.

Abstract: An implantable valvular prosthesis is adapted for implantation in a position of an anatomic valve that controls passage of blood flowing from a ventricle to an artery in a patient's heart. The implantable valvular prosthesis includes a tubular stent body and at least one valve flap member. The tubular stent body includes a valve exclusion region and a tubular flare region.

Abstract: The present invention relates to an endotracheal tube fixation apparatus, comprising an attracted element and a magnetic ring. The attracted element fixed on the endotracheal tube is made of magnetized substance and covered by a soft protection layer. The magnetic ring is provided with a plurality of thin-sliced magnetic elements which are spaced at intervals and enclosed by the soft protection layer. The magnetic ring is placed around the neck of a patient when in use, while the attracted element is intubated into the trachea of the patient together with the endotracheal tube and stays at the place matching correspondingly to the magnetic ring. The magnetic ring and the attracted element then attract each other, which enables a fixation of the endotracheal tube staying within a selected region.

Abstract: The present invention is to provide a prosthetic vascular connector which comprises a male fastener of ring-shaped body and a ring-shaped female fastener; where the outer side of the female fastener is a smooth surface while the inner side, facing the male fastener, is provided with a tapered wall that is gradually contracted inward and an indented catch trough next to the minimum diameter of the tapered wall; when in use, the male fastener and the female fastener each offers the terminal portion of a separate prosthetic blood vessel to pass through its inside, followed by a outward to backward fold around it, and then push the male fastener with the folded terminal portion of the prosthetic blood vessel into the tapered wall of the female fastener covered with the prosthetic blood vessel, where the male fastener is being pushed into a deformed shape to move across the minimum diameter of the tapered wall of the female fastener, and lodged in the catch trough with its original shape restored.