OEM Dental Needle And Oral Tools
Description
Technical Parameters
Quick Details
Instrument Classification: | Class I |
| Material: | Stainless Steel 420 |
| Name: | Dental Needle |
| Certification: | ISO9001 |
| Application: | Medical |
| Usage: | Dental Clinic |
| Surface Finishing: | polishing, electropolishing, bending |
| Size: | Standard Zize |
| Packing: | Individual Pack |
| Type: | Needle,Hook |
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CNC Milling WorkshopCNC machining centers, high speed drill and tap center | CNC Turning WorkshopSlant bed CNC turning machine, diameter range from 200 to 630mm |
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Laser Cutting And Welding WorkshopRobot arm laser welding | Stamping WorkshopHydraulic punching machines from 30 tons to 300 tons |
Our Machines
Packing & Delivery
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| 1. Professional Placement | 2. Plastic Bags | 3. Carton Boxes For Shipping |
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| 4. Professional Placement | 5. Professional Shock | 6. Complete Package |
| Latest News |
 | Steels Used in Surgical Tools |
by Hugo Herrero Antón de VezonDecember 14, 2018
The most commonly used material for surgical tools is, without any doubt, stainless steel (inox). To be considered surgically suitable, it has to contain at least 13% chromium. This is because of its relatively low price, good corrosion resistance and mechanical properties.
One of the most used grades of stainless steel is grade 316L (the low carbon variant of 316). It is alloyed with molybdenum, giving the tool a better corrosion resistance, which is important in the sterilization process. This is a classical method, exposing the tool to pressurized, saturated steam, typically at 134 °C for three minutes or 121 °C for 15 minutes in an autoclave). This stainless steel is non-hardenable.
We need to take into account the application of the tool. For example, for cutting instruments, like tissue scissors, we would choose high-carbon steels (HCS) alloyed with chromium: types 440 and 420. These don’t have the corrosion resistance of 316L but are hardenable. HCS are extremely strong yet more brittle. They offer better improvement in mechanical properties from heat treatment and longer service life than medium-carbon steels.
Nowadays, there is a broad spectrum of proprietary stainless steels with subtle differences in composition that provide special features for a specific application. Some examples are the Sandvik 4C27A medical strip used for surgical needles, the CHRONIFER M-15 X (431 (X)) used for pliers, pincers or scissors, the Dumostar which is more elastic, being perfect for tweezers and forceps or the Dura 4110 used for cutting surgical tools.
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