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Corrosion-Resistant SUS316L Dental Injection Nozzle for Assembly Kits | Medical Grade
Header include
This product is a complete set of components for SUS316L ultra-low carbon austenitic stainless steel syringes specially designed for modern dental care. It strictly adheres to the manufacturing standards of medical devices. Through precise mechanical processing and advanced surface treatment technologies, it ensures outstanding biological safety, corrosion resistance and reliable operational performance in the harsh clinical environment with frequent disinfection and contact with liquid drugs. It is a core device in dental local anesthesia and other treatment processes.
Abject of manufacture
1.Base material: SUS316L stainless steel. This is an ultra-low carbon (C≤0.03%) austenitic stainless steel based on SUS304 with the addition of molybdenum (Mo) element. Its core advantages lie in its extremely strong resistance to chloride pitting corrosion and excellent biocompatibility, fully meeting the standards of medical-grade materials.
2.Component composition: It usually includes an injection core rod (Piston), an injection Cylinder (Cylinder), and other matching connecting parts, which together form a complete precision motion pair and sealing system.
3.Final state: All components have undergone precise processing and surface treatment to achieve the dimensional accuracy, smoothness and cleanliness required for medical devices.
Core features and requirements
1.Outstanding corrosion resistance and biological safety: Thanks to molybdenum and ultra-low carbon content, SUS316L can effectively resist the corrosion of physiological saline, disinfectants (such as chlorine-containing preparations), and various anesthetic drugs, prevent rusting and ion precipitation, and ensure a high level of safety for patients and tissues.
2.High dimensional accuracy and fit stability: As precisely fitted mating parts, the gap tolerance requirements for the core rod and the injection cylinder are extremely strict. It is necessary to ensure that there is no leakage of the liquid during high-pressure injection, and at the same time, during manual operation, it slides smoothly, has a uniform feel, and there is no jamming or shaking.
3.Extremely high surface finish and cleanliness: All inner and outer surfaces, especially the liquid flow channels, must achieve a mirror-like finish (typically Ra<0.4μm). This not only reduces the residue of the liquid medicine, but also greatly lowers the risk of microbial adhesion and biofilm formation, facilitating thorough cleaning and sterilization.
4.Wear resistance and long service life: Components need to withstand long-term and repeated operations such as plugging and unplugging, high-pressure sterilization (high-temperature and high-pressure steam), etc. The material itself and its surface must maintain sufficient hardness and stability to resist wear and extend service life.
Key processes and technologies
To meet the demanding requirements of medical-grade products, its manufacturing process integrates multiple precision and special technologies:
1.Precision CNC machining:
The processing is carried out using high-precision Swiss-type through-type CNC lathes. This equipment can complete compound processing such as turning, milling and drilling in one clamping, which can perfectly ensure the extremely high coaxiality, roundness and dimensional consistency of long and slender shaft parts such as mandons and syringes.
2.Advanced surface finishing technology:
(1)Electrolytic polishing is the core surface treatment process. It uniformly dissolves the surface metal through electrochemical means, removes the microscopic defects produced by mechanical processing, and forms a dense and smooth passivation film. This process not only achieves a mirror-like effect with Ra<0.4μm, but also significantly enhances the corrosion resistance of the material.
(2)For the sliding sealing part of the core rod, more advanced hard coating technology (such as diamond-like carbon film DLC) may be adopted. Under the premise of ensuring biocompatibility, the friction coefficient can be further reduced and the wear resistance can be enhanced.
3.Strict cleaning and quality control
(1)All parts must undergo multiple strict cleaning processes (such as ultrasonic cleaning and plasma cleaning) in a clean workshop environment before assembly to ensure that there are no processing residues, grease or particles.
(2)Finished products must undergo 100% functional testing (such as sliding resistance and sealing performance tests), and be evaluated for biocompatibility and verified for sterility in accordance with medical device standards.
Conclusion
This SUS316L dental injection component is a concentrated embodiment of medical-grade materials science, precision machining and surface engineering. By selecting SUS316L stainless steel with extremely high biological safety and combining it with advanced surface treatments such as precision forming of the through-hole machine and electrolytic polishing, it has successfully created core instruments that meet all the requirements of dental clinical practice for safety, accuracy, durability and easy disinfection, providing a solid guarantee for enhancing the reliability of dental treatment and patient comfort.
Corrosion-Resistant SUS316L Dental Injection Nozzle for Assembly Kits | Medical Grade
Header include
This product is a complete set of components for SUS316L ultra-low carbon austenitic stainless steel syringes specially designed for modern dental care. It strictly adheres to the manufacturing standards of medical devices. Through precise mechanical processing and advanced surface treatment technologies, it ensures outstanding biological safety, corrosion resistance and reliable operational performance in the harsh clinical environment with frequent disinfection and contact with liquid drugs. It is a core device in dental local anesthesia and other treatment processes.
Abject of manufacture
1.Base material: SUS316L stainless steel. This is an ultra-low carbon (C≤0.03%) austenitic stainless steel based on SUS304 with the addition of molybdenum (Mo) element. Its core advantages lie in its extremely strong resistance to chloride pitting corrosion and excellent biocompatibility, fully meeting the standards of medical-grade materials.
2.Component composition: It usually includes an injection core rod (Piston), an injection Cylinder (Cylinder), and other matching connecting parts, which together form a complete precision motion pair and sealing system.
3.Final state: All components have undergone precise processing and surface treatment to achieve the dimensional accuracy, smoothness and cleanliness required for medical devices.
Core features and requirements
1.Outstanding corrosion resistance and biological safety: Thanks to molybdenum and ultra-low carbon content, SUS316L can effectively resist the corrosion of physiological saline, disinfectants (such as chlorine-containing preparations), and various anesthetic drugs, prevent rusting and ion precipitation, and ensure a high level of safety for patients and tissues.
2.High dimensional accuracy and fit stability: As precisely fitted mating parts, the gap tolerance requirements for the core rod and the injection cylinder are extremely strict. It is necessary to ensure that there is no leakage of the liquid during high-pressure injection, and at the same time, during manual operation, it slides smoothly, has a uniform feel, and there is no jamming or shaking.
3.Extremely high surface finish and cleanliness: All inner and outer surfaces, especially the liquid flow channels, must achieve a mirror-like finish (typically Ra<0.4μm). This not only reduces the residue of the liquid medicine, but also greatly lowers the risk of microbial adhesion and biofilm formation, facilitating thorough cleaning and sterilization.
4.Wear resistance and long service life: Components need to withstand long-term and repeated operations such as plugging and unplugging, high-pressure sterilization (high-temperature and high-pressure steam), etc. The material itself and its surface must maintain sufficient hardness and stability to resist wear and extend service life.
Key processes and technologies
To meet the demanding requirements of medical-grade products, its manufacturing process integrates multiple precision and special technologies:
1.Precision CNC machining:
The processing is carried out using high-precision Swiss-type through-type CNC lathes. This equipment can complete compound processing such as turning, milling and drilling in one clamping, which can perfectly ensure the extremely high coaxiality, roundness and dimensional consistency of long and slender shaft parts such as mandons and syringes.
2.Advanced surface finishing technology:
(1)Electrolytic polishing is the core surface treatment process. It uniformly dissolves the surface metal through electrochemical means, removes the microscopic defects produced by mechanical processing, and forms a dense and smooth passivation film. This process not only achieves a mirror-like effect with Ra<0.4μm, but also significantly enhances the corrosion resistance of the material.
(2)For the sliding sealing part of the core rod, more advanced hard coating technology (such as diamond-like carbon film DLC) may be adopted. Under the premise of ensuring biocompatibility, the friction coefficient can be further reduced and the wear resistance can be enhanced.
3.Strict cleaning and quality control
(1)All parts must undergo multiple strict cleaning processes (such as ultrasonic cleaning and plasma cleaning) in a clean workshop environment before assembly to ensure that there are no processing residues, grease or particles.
(2)Finished products must undergo 100% functional testing (such as sliding resistance and sealing performance tests), and be evaluated for biocompatibility and verified for sterility in accordance with medical device standards.
Conclusion
This SUS316L dental injection component is a concentrated embodiment of medical-grade materials science, precision machining and surface engineering. By selecting SUS316L stainless steel with extremely high biological safety and combining it with advanced surface treatments such as precision forming of the through-hole machine and electrolytic polishing, it has successfully created core instruments that meet all the requirements of dental clinical practice for safety, accuracy, durability and easy disinfection, providing a solid guarantee for enhancing the reliability of dental treatment and patient comfort.
