Angiocarpy sacculus dilating catheter

Abstract

The invention provides an angiocarpy sacculus dilating catheter, belonging to the angiocarpy sacculus dilating catheter. The dilating catheter comprises a lumen connector, a Y-shaped connector, a protective sleeve, an injection port, a canal, a mark ring and a sacculus, wherein one end of the Y-shaped connector is connected with the lumen connector, another end of the Y-shaped connector is provided with the injection port, and the third end of the Y-shaped connector is connected with the canal and is provided with the protective sleeve; and the front end of the canal is provided with the sacculus. The angiocarpy sacculus dilating catheter has the advantages that the sacculus dilating catheter is made of Nylon 12 and PEBAX with good biocompatibility and high pressure resistance, has good adaptability, large bursting pressure, unique structure and high safety, can be applied to interventional therapy on congenital stenosis of pulmonary valve, aortic stenosis and other diseases, and adopts single lumen sleeved sacculus structure to lead smoothness of injection and pumpback; the connection of the sacculus and the canal adopts welding process, the sacculus and the canal are integrated to greatly reduce the risk of pressuring breaking; and the thread lumen and the injection lumen are respectively arranged to reduce the risk of liquid leakage.

Description

technical field

[0001] The invention relates to a dilation catheter for treating cardiovascular diseases, in particular to a cardiovascular balloon dilation catheter. Background technique

[0002] Congenital pulmonary stenosis is a disease of right ventricular outflow tract obstruction. It is a relatively common congenital heart disease, accounting for about 8% of the incidence of congenital heart disease. According to the site of stenosis, it can be divided into stenosis of the valve, infundibulum, trunk and branch of the pulmonary artery. Pulmonary valve stenosis is the most common type of simple right ventricular outflow tract obstruction, accounting for about 80-90%. Infundibulum pulmonary artery stenosis is extremely rare. In order to prevent further aggravation of right ventricular outflow tract obstruction, progressive right ventricular hypertrophy and secondary right heart failure, it is necessary to treat patients with more than mild right ventricular outflow tract...

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