When to choose a drug balloon?
When to choose a drug balloon? Balloon Catheter Coating System – Cheersonic
We all know that the implantation of coronary stents is an important means of treating coronary heart disease. Generally speaking, the coronary arteries with severe stenosis (more than 70%) are expanded, and then stents are implanted to support the stenosis and restore lumen patency.
However, not all cases are suitable for stent placement, and it will be a good choice for vascular drug balloons that are not suitable for stent placement.
What is a drug balloon?
In layman’s terms, a drug balloon is a layer of drug covered on the surface of the balloon. By expanding the balloon, the drug is attached to the blood vessel wall. The drug can inhibit the proliferation of smooth muscle cells and prevent blood vessel restenosis.
In what situations should a drug balloon be selected?
1. In-stent restenosis drug balloon of choice
We can pre-treat by cutting the balloon first, cut the plaque in the stent, and then select a suitable drug balloon to stick to the lesion. Usually, the drug balloon should be sticked for more than 45 seconds. It can dilate the narrowed blood vessels. And leave the drug on the walls of the blood vessels. Postoperative angiography can see significant improvement in the vascular lumen to achieve the purpose of treatment.
2. Branch lesions
The heart is mainly supplied with blood by three large blood vessels, namely the anterior descending branch, circumflex branch and right coronary. These large blood vessels will send out some branches. The branches are large or small. Too small branches have little effect on blood flow and are generally not used. special handling. The presence of lesions in some larger branches may affect the blood supply, but because the branches are generally small, there is no suitable stent, or the branch mouth has lesions, the stent will affect the main branch blood vessels, which seems to be more than the gain. The branch is treated with a drug balloon for therapeutic purposes.
3. Has muscle bridges
Muscle bridge is when the coronary artery runs into the muscle tissue. Due to the contraction of the muscle, the coronary artery will also contract. If the stent falls on the muscle bridge, the muscle contraction will also squeeze the stent, and in-stent restenosis may occur for a long time. If there is plaque in the blood vessels at the muscle bridge that needs to be treated but the stent cannot be placed, then a drug balloon can be selected.
4. Some special lesions
Inflammation of blood vessels, such as that caused by Kawasaki disease, leads to narrowing of blood vessels.
Nowadays, there are more and more applications of drug balloons. Compared with stents, drug balloons can achieve intervention without implantation, which reduces patients’ worries about metal stent implantation and achieves the purpose of treatment.
The Balloon Catheter Coating System is a special spray system designed for drug eluting balloons that provides a uniform drug coating to the balloon catheter through ultrasonic spray technology. Ultrasonic Coating System can also be used to adjust and control the deposition process of drug coatings for different liquid formulations. With the help of a special fixing device design, the entire balloon catheter can be sprayed with a maximum spraying length of 280 mm., It also has the functions of solvent doping, pre-heating, humidity control, and drying. The equipment has the characteristics of precise application amount, uniform film layer, and high utilization rate of chemical liquid. Cheersonic has extensive experience in surface coating of implantable medical devices (such as drug stents and balloons), and can provide customers with complete solutions.
