SJ Medical
Explore our premium clinical catheters, diagnostic accessories, and intervention-supporting instruments.
The global landscape of clinical diagnostics has entered an era of micro-precision, primarily driven by innovations in Ultrasound Imaging Systems. In cardiovascular, peripheral vascular, and catheter-based interventional therapies, ultrasound is no longer just a pre-operative mapping tool. Today, the integration of real-time point-of-care ultrasound (POCUS) and high-frequency intravascular ultrasound (IVUS) dictates procedural outcomes.
OEM manufacturers are now focusing on multi-frequency piezoelectric transducers, digitized color Doppler engines, and lightweight cart-based systems. These platforms enable clinicians to resolve microvascular morphology and perform ultrasound-guided needle tracking with absolute confidence, mitigating the risks of accidental vascular perforation.
Understanding critical criteria and supply requirements for hospitals, distributors, and multinational medical brands.
Global procurement networks demand clean registration parameters. Standard operations require CE mark, ISO 13485 quality systems, CFDA, and free sale declarations to navigate local regulatory imports without logistics friction.
No two hospitals operate under the exact same system specs. OEM configurations require modifications in transducer configurations, software user interfaces (UI), catheter insertion profiles, and clinical packaging configurations.
With minimally invasive consumables (like angioplasty balloon catheters or catheter sheaths), chemical biocompatibility (ISO 10993) and validated EtO (Ethylene Oxide) sterilization guarantee clinical safety and performance.
Manufacturing high-precision clinical items like Disposable Ptca Balloon Dilatation Catheters and Vascular Access Introducer Sheaths requires absolute control over environmental variables. The Hangzhou SJ Medical facility features a state-of-the-art 5,000 square meter GMP-compliant plant designed to maximize product yield and absolute cleanliness.
Our core processing area features a million-class clean workshop with localized hundred-class zones for micro-soldering, catheter tip forming, and balloon thermal bonding. By integrating laser welding and computerized pressure measurement rigs, we maintain a defect-free manufacturing flow that ensures each unit meets the rigid physical tolerance limits required during deep-tissue angioplasty.
A breakdown of materials, dimensions, and operational parameters processed within our high-tech Chinese factories.
| OEM Product Category | Common Base Materials | Precision Tolerances | Quality Certifications | Primary Clinical Application |
|---|---|---|---|---|
| PTCA Balloon Catheters | Pebax, Nylon, Hydrophilic Coating | ± 0.02 mm Outer Diameter | CE, ISO 13485, NMPA | Coronary Angioplasty / Vessel Dilation |
| Introducer Catheter Sheaths | PTFE Liner, Stainless Steel Braid | Kink-Resistant Flex Limits | CE, ISO 13485, Free Sale Certificate | Vascular Insertion & Guidance Access |
| Ultrasound Scanner Components | Piezo-ceramics, Medical ABS | High-Freq. Signal Processing | CE, Electrical Safety Compliant | 2D Carotid Artery Vascular Scanning |
| Surgical-Grade Catheters | TPU, Radiopaque Polyurethane | Variable Durometer Segments | CE, ISO 13485 | Angiographic Visualization & Delivery |
Connecting clinical-grade reliability with medical workflows across regional healthcare centers.
Operating in highly regulated environments like Finland, Italy, Spain, France, and the Netherlands. Products match stringent MDR quality levels and localized biocompatibility standards.
Supplying customized interventional accessories to healthcare systems in India, Indonesia, and Turkey, balancing cost-effectiveness with high therapeutic success rates.
Delivering critical diagnostic platforms such as the Mobile Cart Trolley 2D Carotid Artery Vascular Doppler Ultrasound Scanner to clinics in Egypt, enabling decentralized vascular testing.
Learn more about our company profile, high-standard cleanroom environments, and specialized interventional technologies.
Hangzhou SJ Medical Co., Ltd. was established in 2015 and is dedicated to the research, development, manufacturing, and commercialization of vascular interventional medical devices. The company focuses on both cardiovascular and peripheral intervention fields, striving to provide safe, reliable, and innovative solutions for healthcare providers worldwide.
Over the years, SJ Medical has developed a comprehensive product portfolio covering key areas of vascular intervention. Its offerings span from various types of balloon catheters for coronary and peripheral applications to supporting access and diagnostic devices, as well as advanced stent systems. Through continuous innovation and strong R&D capabilities, the company has obtained multiple patents and international certifications, laying a solid foundation for sustainable growth in both domestic and global markets.
SJ Medical operates a modern manufacturing facility with a total area of approximately 5,000 square meters. The factory is built in accordance with GMP standards and features a high-standard cleanroom environment, including a million-class clean workshop with localized hundred-class areas for critical processes.
The company is supported by a highly experienced technical team, many of whom have been engaged in the medical device industry for decades. Under the leadership of senior engineers, SJ Medical maintains strict quality control and continuously improves its manufacturing processes to ensure product reliability and consistency.
SJ Medical focuses on the development of vascular interventional devices designed for both coronary and peripheral procedures. Its product range integrates interventional access systems, diagnostic catheters, and therapeutic devices, forming a complete solution for minimally invasive vascular treatments. Each product is developed with an emphasis on precision, safety, and clinical performance, aiming to support physicians in achieving optimal procedural outcomes.
The company’s products are widely applied in minimally invasive procedures involving both coronary and peripheral vascular systems. They play an important role in the diagnosis and treatment of vascular diseases, helping to improve procedural efficiency while enhancing patient safety and recovery.
SJ Medical strictly adheres to international quality standards and regulatory requirements. The company has obtained CE certification, ISO 13485 quality management system certification, and CFDA approval, along with free sale certificates, demonstrating its strong commitment to product quality and compliance.
The company is equipped with advanced production and inspection systems, including precision balloon forming equipment, laser welding and marking technologies, and comprehensive laboratory testing facilities. These capabilities ensure high levels of manufacturing accuracy, product consistency, and full-process quality control.
SJ Medical has established long-term partnerships with clients across Europe, Asia, the Middle East, and Africa. Its products are currently distributed in countries such as Finland, Italy, Spain, France, the Netherlands, India, Indonesia, Turkey, and Egypt, among others. The company continues to expand its international footprint and strengthen its global presence.
SJ Medical is committed to providing comprehensive and professional services throughout the entire customer journey. From pre-sales consultation and technical support to efficient order processing and responsive after-sales service, the company ensures that every customer receives timely assistance and reliable solutions.
Get answers to technical, regulatory, and capability questions frequently raised by hospital buyers and distributors.
Explore our diagnostic imaging platforms, disposable balloon catheters, and heavy-duty structural accessories.