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Ultrasonic Drug Polymer Coating Stent Equipment
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Ultrasonic Drug Polymer Coating Stent Equipment

Ultrasonic Drug Polymer Coating Stent Equipment

Item No: FS1006
Frequency: 120KHz (Optional 100\150Khz)
Power: 1-15W
Continuous Spraying Volume Max: 0.01-2ml/min
Effective spraying width: 1-5mmbr /> Spray uniformity: ≥95%
Solution viscosity: ≤10cps
Dry Film Thickness: 20nm-100μm 

Hangzhou Shengtu Technology Co., Ltd. is one of the leading manufacturers and suppliers of ultrasonic drug polymer coating stent equipment in China. Welcome to buy high quality customized products at low price from our factory. Contact us for more details.

 

 

Ultrasonic drug polymer stent coating is a novel technique that employs ultrasonic treatment to fabricate polymer coatings on stent surfaces and load therapeutic drugs into the coatings. Integrating the superiorities of polymer carriers and controlled drug release, this technique optimizes the efficacy of vascular interventional therapy.

This coating technology enables uniform polymer coverage and sustained drug release on stents. Serving as reliable drug carriers, polymers precisely regulate the rate and duration of drug release to enhance therapeutic outcomes. Meanwhile, ultrasonic processing strengthens coating adhesion and homogeneity on the stent surface, ensuring stable and reliable treatment effects.

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The preparation process of ultrasonic drug polymer stent coating usually includes the following steps:

Prepare the stent

Select a suitable stent and verify that its surface is clean and free of contaminants.

01

Preparation of polymer solution

Select suitable polymer materials and dissolve them in matching solvents to prepare the polymer solution. Polymer selection shall take into account key properties including biocompatibility, coating adhesion and drug‑loading capacity.

02

Polymer coating formation

Immerse the stent in the polymer solution for complete surface wetting. Apply ultrasonic methods including ultrasonic spraying or vibration to develop a uniform polymer coating on the stent surface. Ultrasonic energy improves coating adhesion and homogeneity.

03

Drug embedding

Incorporate the target drug into the polymer matrix as the coating forms. Available drug forms include dissolved molecules, drug particles and nanoparticles dispersed in the polymer solution.

04

Drying and Curing

Following coating and drug incorporation, dry and cure the stent for improved coating stability and adhesion.

05

 

Ultrasonic Medical Stent Spraying Machine 1

Ultrasonic Medical Stent Spraying Machine 2

Control System

Why choose us

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Micro-droplet Precision for Critical Applications

Precision engineering is at the absolute heart of every ultrasonic system we build. Our titanium alloy nozzles vibrate at frequencies ranging from 60kHz up to 200kHz, tailored precisely to your fluid characteristics. This targeted energy creates micro-droplets with highly predictable velocity profiles, dramatically eliminating bouncing effects upon substrate contact. For high-reliability sectors like balloon catheter or drug-eluting stent manufacturing, this micro-droplet precision guarantees uniform drug release matrices. Invest in our technology to achieve unparalleled micro-layer accuracy on every manufacturing run.

FAQ

Q: What is the main application of ultrasonic stent coating system? 

A: The ultrasonic stent coating system is dedicated for surface coating of interventional vascular stents, including coronary DES stents, intracranial stents and peripheral stents. It applies drug/polymer, heparin anticoagulant and hydrophilic coatings onto mesh stent structures. It is also applicable for R&D of drug‑coated balloons and other inter‑medical device surface modification.

Q: What is the working principle of ultrasonic stent coating system?

A: High‑frequency ultrasound (60‑200 kHz) generated by a piezoelectric transducer atomizes the drug‑polymer solution into homogeneous 5‑20 μm micro‑droplets. Low‑volume carrier gas guides the aerosol onto the stent. Driven by 360° rotation and axial translation of the stent fixture, uniform coatings are deposited on the inner and outer sides of every stent strut. Carried out under ambient temperature and low pressure, this process preserves drug bio‑activity.

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Product Type

Stent Ultrasonic Coating System FS1006

Spray Nozzle Operating Frequency

120KHz (Optional 60Khz\100\150Khz)

Nozzle Power

1-15W

Continuous Spraying Volume Max

0.01-2ml/min

Effective Spraying Width

1-5mm

Spray Uniformity

≥95%

Solution Conversion Rate

≥95%

Dry Film Thickness

20nm-100μm

Solution Viscosity

≤10cps

Room Temperature Range

-10-60℃

Atomized Particles (Median Value)

10-45μm (distilled water), determined by the frequency of the nozzle

Diversion Pressure Max

≤0.05MPA

Input Voltage

220V±10%/50-60Hz

Control Mode

X-axis servo motor+rotating R-axis, action can be independently programmed

Control Content

PLC control, touch screen+buttons

Liquid Supply Method

Precision Syringe pump

Operation

Clamp one side, supporting the lifting and clamping of excess conduit coils

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