Overview of Precision Drawn CoCr Alloy Tubes
The Precision Drawn CoCr Alloy Tube sets a new benchmark as a corrosion resistant catheter shaft in interventional and minimally invasive instruments. Manufactured via advanced cold-drawing processes from medical-grade cobalt chromium alloy, this high-performance hypotube outperforms traditional 304 stainless steel with superior column strength, pushability, and kink resistance while maintaining excellent flexibility and torque control. Its inherent biocompatibility, high radiopacity under fluoroscopy, and outstanding corrosion resistance make it the preferred choice for demanding endovascular applications. Whether used as a core device shaft in guiding catheters or support structures in complex minimally invasive procedures, this precision medical tubing ensures reliable navigation through tortuous anatomy and long-term durability in the body.
Features of Precision Drawn CoCr Hypotube
Superior Mechanical Performance: Exceptional tensile strength and column buckling resistance for unmatched pushability and trackability in endovascular catheter shafts.
Advanced Corrosion Resistance & Biocompatibility: Medical-grade CoCr alloy provides long-term corrosion resistance and excellent tissue compatibility, ideal for implantable-grade minimally invasive instruments.
High Radiopacity: Enhanced visibility under X-ray and fluoroscopy, enabling precise placement in interventional radiology and cardiovascular procedures.
Precision Manufacturing Tolerances: Tight OD/ID control, ultra-smooth surface finish (Ra < 0.2 μm possible), and thin-wall capability for low-profile catheter shaft designs.
Optimized Kink & Torque Resistance: Balanced microstructure delivers superior kink resistance and torque transmission, critical for complex navigation in neurovascular and peripheral interventions.
Customizable Configurations: Available in seamless drawn tubing, with options for laser cutting, electropolishing, and integration into braided or coiled catheter shafts.
Applications of CoCr Alloy Tubing in Interventional Radiology
Our Precision Drawn CoCr Alloy Tube serves as a core component in a wide range of interventional and minimally invasive instruments:
Guiding catheters and diagnostic catheters for coronary and peripheral vascular interventions
Neurovascular access systems and microcatheter shafts for stroke treatment and aneurysm coiling
Endovascular delivery systems for stents, balloons, and transcatheter heart valves
Support catheters and atherectomy device shafts requiring high column strength
Introducer sheaths and deflectable catheter shafts in structural heart and electrophysiology procedures
Minimally invasive surgical tools and endoscopic device components demanding corrosion resistance and radiopacity
ABOUT US
Victory Alloy Co., Ltd. is a professional manufacturer specializing in medical alloy materials, with a dedicated focus on the research, development and production of high-performance biomedical alloys.
Our primary product range includes medical-grade titanium alloys, Nitinol (nickel-titanium alloy), cobalt-chromium (CoCr) alloys, platinum-iridium (Pt-Ir) alloys, and medical stainless steel. These high-quality alloys are widely applied in a broad spectrum of medical fields, such as cardiovascular stents, orthopedic implants, interventional guidewires, dental implants, surgical instruments, and disposable medical auxiliary devices. Boasting outstanding biocompatibility, strong corrosion resistance and excellent mechanical properties, our products have won consistent praise from customers across the board.
Client Visits
We welcome client visits to showcase our manufacturing and testing processes. Clients can explore our facility, discuss specific needs, and learn about our quality control methods. Our team ensures a personalized experience to meet your exact requirements for medical applications.
Our Factory
Quality Testing of the Product
Our product undergoes strict testing for tensile strength, corrosion resistance, and biocompatibility to ensure reliable performance in joint implants. We use advanced methods to verify its safety and durability, and all products meet international medical standards for consistent, long-term use in the body.
FAQs on Precision Drawn CoCr Alloy Tube
Q1: What is a CoCr hypotube and why is it better than stainless steel for catheter shafts?
A: CoCr (cobalt chromium) hypotube is a precision drawn medical tubing offering 30-40% higher tensile strength, superior pushability, and better kink resistance than 304 stainless steel, making it ideal for high-performance interventional catheter shafts.
Q2: Is the Precision Drawn CoCr Alloy Tube biocompatible and corrosion resistant for long-term use?
A: Yes. The medical-grade cobalt chromium alloy meets ISO 10993 and ASTM F562 standards, delivering excellent biocompatibility and superior corrosion resistance in bodily fluids – perfect for endovascular and minimally invasive applications.
Q3: What tolerances and sizes are available for this catheter shaft tubing?
A: OD from 0.5 mm to 3.0 mm+, wall thickness down to 0.05 mm, with tight tolerances (±0.01 mm typical). Custom lengths up to 3 meters and electropolished finishes available upon request.
Q4: Can this CoCr tubing be used in neurovascular or peripheral interventional devices?
A: Absolutely. Its high radiopacity, torque control, and flexibility make it the preferred material for neurovascular microcatheters, peripheral guidewires, and complex minimally invasive instruments.
Q5: How does the surface finish affect performance in catheter shaft assemblies?
A: Our ultra-smooth precision-drawn finish (Ra ≤ 0.2 μm) minimizes friction, improves lubricity when combined with PTFE liners or hydrophilic coatings, and enhances overall trackability in tortuous vessels.
Q6: Do you offer custom laser-cut or braided CoCr hypotube catheter shafts?
A: Yes. We support full vertical integration including laser cutting, electropolishing, braiding, and reflow processing to deliver complete ready-to-assemble catheter shaft solutions.
