Novel sacculus dilating catheter

A technique for dilating catheters and balloons, which is applied in the direction of balloon catheters, catheters, cardiovascular system diseases, etc., can solve the problems of acute thrombosis and death, and achieve the effects of avoiding sequelae, simplifying the operation process, and saving treatment costs

Inactive Publication Date: 2008-08-13
上海赢生医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide a novel balloon dilatation catheter, which can be used to treat vascular diseases by coating the balloon dilation catheter with drugs such as rapamycin instead of slow-release drug stents, so as to solve the problem of interventional therapy of slow-release drug stents. The late stage of stent implantation is prone to acute thrombotic death

Method used

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  • Novel sacculus dilating catheter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example 1: A new type of balloon dilatation catheter

[0019] As shown in Figures 1 and 3, the novel balloon dilatation catheter includes a three-wing folded balloon and a drug material coated on the three-wing folded balloon. Sodium heparin is coated on the surface of the three-wing folded balloon, and the coating method can be sprayed, soaked, or the balloon matrix material is obtained by surface treatment techniques, and these surface treatment techniques include heat treatment, shot peening, electric Chemical treatment and ultrasonic treatment etc.

Embodiment 2

[0020] Example 2: A new type of balloon dilatation catheter

[0021] As shown in Figures 1 and 3, the novel balloon dilatation catheter includes a three-wing folded balloon and a drug material coated on the three-wing folded balloon. The drug material is a mixture of defibrase and serine protease, and then polymerized A mixture of acrylic and polylactic acid, the drug material is coated on the surface of the three-wing folded balloon, and the coating method can be sprayed, infiltrated, or the balloon matrix material is obtained by surface treatment technology. These surface treatment technologies Including heat treatment, shot peening, electrochemical treatment and ultrasonic treatment.

Embodiment 3

[0022] Example 3: A new type of balloon dilatation catheter

[0023] As shown in Figures 1 and 3, the novel balloon dilatation catheter comprises a three-wing folded balloon and a drug material coated on the three-wing folded balloon. The drug material is selected from Sirolimus, batroxobin mixture and lovastatin, and then used The carrier material is isopropyl lactate, and the drug material is coated on the surface of the three-wing folded balloon. The coating method can be sprayed, infiltrated, or the balloon matrix material is obtained by surface treatment technology. These surface treatment technologies Including heat treatment, shot peening, electrochemical treatment and ultrasonic treatment.

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PUM

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Abstract

The present invention provides a new type balloon dilation catheter which includes ballon and medication material coated on stent. Said medication material comes from one or two and more than two mixtures of heparin sodium, fiber degrading enzyme, serine proteinase, batroxobin, aspirin, genistein, hirudin and its recombined product, colchicine, sirolimus, biolimus, zotarolimus, tracrolimus, pimecrolimus, simvastatin, atorvastatin, pravastatin, ciclosporin, Anti-CD34, dexamethasone, bleomycin, plicamycin, daunomycin, mitomycin C, actinomycin D, taxol, celastrol, methopterin, 5-fluorouracil, cytarabine and 6-purinethol. The balloon is made of macromolecule nylon material, and the stimulation to blood vessel is far lower than the stent with metal structure.

Description

technical field [0001] The invention relates to a balloon dilation catheter, in particular to a novel balloon dilation catheter with an integrated structure design capable of fixed-point administration. The new balloon dilation catheter is particularly suitable for treating coronary artery, carotid artery and other vascular diseases. Background technique [0002] With the improvement of living standards, the number of patients with coronary heart disease is increasing, and cardiovascular stenosis is one of the main causes of coronary heart disease. Initially doctors used cardiovascular bypass to solve such problems, but with the development of technology, interventional therapy (Percutaneous Coronary Intervention, PCI) has become the main means of treating such patients. At the beginning, doctors used a balloon dilation catheter to enter the patient's lesion through a guide wire, and used high-pressure inflation to expand the balloon to expand the narrowed lesion vessel. B...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/00A61M25/10A61K45/00A61P9/10A61F2/958
Inventor 陈毅生胡铁锋
Owner 上海赢生医疗科技有限公司
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