Medical Device Laser Welding

Sanluo Precision is a professional manufacturer and supplier of medical device laser welding in China, engaged in the precision welding technology of medical devices, providing customers with customized medical device laser welding services. We offer customized laser beam machining services for the medical device fields such as cardiovascular intervention, orthopedic implantation, surgical instruments, diagnostic equipment, and supports the customization of complex and difficult parts. Strictly control the quality standards and biocompatibility to meet the stringent requirements of the medical device industry for laser welding.

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Product Description

Medical Welding Technology

Sanluo Precision's processing plant has a comprehensive grasp of medical device laser welding technology. Minimally invasive instrument welding: laser spot welding of coronary stents, spot diameter 0.02mm～0.3mm, tensile strength greater than 5N, fatigue life greater than 10^6 times; stainless steel tube wall thickness 0.01mm～0.2mm, no weld penetration. Orthopedic implant welding: laser welding of titanium alloy bone plate screws, tensile strength greater than 500MPa, corrosion resistance; laser welding of artificial joints, dense welds and good biocompatibility. Surgical instrument welding, surgical knife handle assembly, beautiful and resistant to disinfection; ultrasonic knife head welding, no cracking under high-frequency vibration. Diagnostic equipment welding, hermetic welding of sensor housings with good air tightness; microfluidic chip welding, unobstructed channels.

Station Accuracy

Minimum welding depth	Minimum welding diameter	Minimum welding wall thickness	Minimal beam diameter	Is it gas protection	Weldable materials
0.002mm	0.01mm	0.01mm	0.03mm	yes	Stainless steel, copper, aluminum
Production capacity	1~999999 pcs	1~999999 pcs	1~999999 pcs	1~999999 pcs	1~999999 pcs
Production cycle	3-20 days	3-20 days	3-20 days	3-20 days	3-20 days

Quality Management Services

As a professional manufacturer of medical device laser welding, Sanluo Precision has strict quality control. Clean environment: ISO Class 7 (Class 10,000) clean room, comprehensive services, design support, DFM manufacturability analysis, welding process optimization suggestions, sample trial production, rapid prototyping, process verification, sample delivery in 5-7 days, flexible production of small batches of 1-1000 pieces, clinical trials available, mass production, automated production lines, monthly capacity of 100,000 pieces, stable supply, quality documents, FAI first article inspection report, material certificate, welding parameter record, inspection report, technical training, welding process training, quality standard training. It has directly or indirectly provided customized laser beam machining services for medical enterprises such as MicroPort Medical, Lepu Medical, Weigao Group, Medtronic, with a part qualification rate of 99.9%, winning the trust of customers.

Technical Parameters of Equipment

Parameter Category	Parameter Details
System composition	Combination of GF101F (automatic focusing 3D laser cutting head) and GF102 (robot small contour interpolation subsystem)
Core positioning	Robot integration, complex 3D paths
Number of axes	Multi-axis robot system (integrated with 3-axis cutting head)
Focusing performance	GF101F automatic focusing range -5mm ~ +5mm, focusing accuracy 0.05mm
Welding/cutting accuracy	Able to achieve high-precision contour processing, for example, the accuracy can reach ±0.1mm when cutting/welding a circle with a diameter of 1mm
Subsystem accuracy	GF102 repeat positioning accuracy ±0.01mm, positioning accuracy ±0.02mm
Core advantages	Robot integration provides extremely high motion freedom, suitable for processing complex 3D paths; GF101F has high dustproof performance
Typical applications	Medical device laser welding for miniature parts of pacemakers, mobile phone chip pin connection, etc

Parameter Category	Parameter Details
Equipment model	ML-2350A/AF
Core positioning	Ultra-fine welding with extreme thermal control
Number of axes	4-axis (AF model is equipped with a flexible optical fiber transmission system, supporting multi-station switching and complex 3D trajectory welding)
Laser type	Pulsed YAG laser
Laser power	70W
Key accuracy	Focused spot diameter up to micron level, extremely small heat-affected zone, capable of non-damaging welding of materials with a thickness of less than 0.1mm
Core advantages	Adjustable pulse waveform, equipped with a precise energy feedback system to ensure the stability of welding quality during long-term continuous operation; excellent performance in welding high-reflection materials such as gold, silver, copper and aluminum
Typical applications	Medical device laser welding for precision components of medical endoscopes, miniature surgical instruments, implantable medical devices, dental restorations, etc

Parameter Category	Parameter Details
Equipment model	FP-LW-J series
Core positioning	Welding of micro parts such as electronic components and medical precision parts
Laser power	300W-1500W
Key accuracy	Positioning accuracy ±0.008mm, heat-affected zone ≤0.2mm
Welding speed	0.3-3 m/min
Core advantages	Adopt imported ultraviolet laser with excellent beam quality; equipped with a reversible clamping mechanism and an automatic limit feeding mechanism
Typical applications	Medical device laser welding for miniature medical motor housings, medical catheter joints, etc