SJ Medical
The global market for transseptal needles and access systems is experiencing unprecedented growth, driven by the increasing prevalence of structural heart diseases and atrial fibrillation (AF). As cardiovascular medicine shifts toward minimally invasive techniques, the transseptal puncture has become a cornerstone procedure for accessing the left atrium. Whether it is for Left Atrial Appendage Closure (LAAC), Mitral Valve repair (e.g., MitraClip), or catheter ablation, the demand for high-precision, ergonomically designed needles is at an all-time high.
Currently, the market is characterized by a move toward "smart" access. Surgeons are no longer satisfied with simple puncture tools; they require needles that offer superior tactile feedback, enhanced radiopacity for visualization under fluoroscopy, and seamless compatibility with large-bore sheaths. This industrial evolution has placed Chinese Transseptal Needle factories at the forefront of the supply chain, blending advanced material science with cost-efficient manufacturing.
Modern needles now feature enhanced handle designs that provide physicians with better torque control and puncture stability, reducing the risk of accidental injury during atrial septum crossover.
Integration of specialized coatings that improve visibility under Intracardiac Echocardiography (ICE) and Transesophageal Echocardiography (TEE) is becoming a standard requirement.
While stainless steel remains a staple, the industry is seeing a rise in shape-memory alloys like Nitinol to provide kink resistance and better procedural predictability.
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.
Localized hundred-class clean workshop for critical processes.
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.
Our R&D team integrates decades of experience in vascular intervention, ensuring that every transseptal needle meets the rigorous mechanical standards required for delicate cardiac procedures.
Located in Hangzhou, a medical device hub, we have direct access to high-grade medical steel and biocompatible polymers, ensuring consistent lead times even for large global tenders.
We hold ISO 13485, CE certification, and CFDA approval. Our products are designed to meet the regulatory requirements of Europe, Asia, and the Middle East.
SJ Medical’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.
Used for transseptal puncture during AFib ablation procedures, providing stable access to the left atrium for mapping catheters.
Crucial for delivering devices like the MitraClip or LAA occluders through the septum with high precision and safety.
Application of our durable medical blood vessel tubes and access sheaths for dialysis treatment and vascular maintenance.
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.
We are 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.