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826results about How to "Inhibit reflux" patented technology

System and methods for performing endovascular procedures

A system for inducing cardioplegic arrest and performing an endovascular procedure within the heart or blood vessels of a patient. An endoaortic partitioning catheter has an inflatable balloon which occludes the ascending aorta when inflated. Cardioplegic fluid may be infused through a lumen of the endoaortic partitioning catheter to stop the heart while the patient's circulatory system is supported on cardiopulmonary bypass. One or more endovascular devices are introduced through an internal lumen of the endoaortic partitioning catheter to perform a diagnostic or therapeutic endovascular procedure within the heart or blood vessels of the patient. Surgical procedures such as coronary artery bypass surgery or heart valve replacement may be performed in conjunction with the endovascular procedure while the heart is stopped. Embodiments of the system are described for performing: fiberoptic angioscopy of structures within the heart and its blood vessels, valvuloplasty for correction of valvular stenosis in the aortic or mitral valve of the heart, angioplasty for therapeutic dilatation of coronary artery stenoses, coronary stenting for dilatation and stenting of coronary artery stenoses, atherectomy or endarterectomy for removal of atheromatous material from within coronary artery stenoses, intravascular ultrasonic imaging for observation of structures and diagnosis of disease conditions within the heart and its associated blood vessels, fiberoptic laser angioplasty for removal of atheromatous material from within coronary artery stenoses, transmyocardial revascularization using a side-firing fiberoptic laser catheter from within the chambers of the heart, and electrophysiological mapping and ablation for diagnosing and treating electrophysiological conditions of the heart.
Owner:EDWARDS LIFESCIENCES LLC

Repairing system provided with anchoring device and used for preventing valve regurgitation

The invention relates to a repairing system provided with an anchoring device and used for preventing valve regurgitation. The system comprises a prosthesis preventing valve regurgitation and an anchoring part releasing device, wherein the prosthesis preventing valve regurgitation comprises a fixing unit, a connecting part and a close-assisting part, the fixing unit comprises a fixing part and an anchoring part, the connecting part is flexible, and the fixing part is fixed through the anchoring part, an anti-disengagement end is arranged at the near end of the anchoring part; the anchoring part releasing device comprises a delivery pipe and a push rod and is detachably connected with the fixing unit, the far end of the anchoring part releasing device is in a preset shape to enable the far end of the delivery pipe to be bent integrally or partially, a rigid section is arranged at the farthest end of the delivery pipe, the anchoring part is pre-arranged in the far end of the delivery pipe, the push rod is placed in the delivery pipe and located at the near end of the anchoring part, the anchoring part can be made to move towards the far end of the delivery pipe by pushing the push rod, and the far end of the anchoring part can recover to the preset shape after being pushed out of the delivery pipe.
Owner:NINGBO JENSCARE BIOTECHNOLOGY CO LTD
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