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ASPIJECT. Quality you can Feel!. What you need to know about ASPIJECT ® & local dental anaesthesia. Introduction. ASPIJECT ® is a self-aspirating dental cartridge syringe for infiltration and block anaesthesia. . ASPIJECT ® can be used with any standard dental cartridge and needle.
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ASPIJECT Quality you can Feel! What you need to know about ASPIJECT® & local dental anaesthesia
Introduction • ASPIJECT® is a self-aspirating dental cartridge syringe for infiltration and block anaesthesia. • ASPIJECT® can be used with any standard dental cartridge and needle. • The ASPIJECT® syringe was developed in co-operation with D.D.S. Dr. Odont h.c. Hans Evers from Sweden and other Scandinavian experts. • ASPIJECT® was introduced in 1981.
ASPIJECT®Features Ergonomics • Unique grip design giving a comfortable ergonomic shape. • Short distance between grips – advantageous to users with below average hand size. Not as threatening to patients • Well-balanced, “good feel”. Provides excellent Tactile Sensitivity • Lightweight (50g) but solid construction.
ASPIJECT Quality Construction: • Made from high-grade acid resistant stainless steel and heat resistant polymer. (No chromium plating to come off.) • No screw assemblies to loose. (harpoon, hub) • Easy to load, unload and clean. • Withstands sterilization to 200 degrees C / 390 degress F. • Smooth, hygienic surface. Surface of the syringe has a matt finish - does not reflect sharp light. • Can use with standard dental cartridge and needle.
Aspiration What is aspiration? • Aspiration is performed to prevent an intravascular injection. When to aspirate? • Prior to injection. Basic principle of aspiration? • To create a negative pressure in the cartridge so that liquid from the tissue at the deposition site is sucked up.
ASPIJECT®and the self-aspirating principle • Every time during injection, when thumb force is realeased, aspiration is automatically produced with ASPIJECT®. • A light thumb force on the T-handle pushes the cartridge onto the hub at base of the syringe. This causes distortion (against the hub) of the diaphragm at the needle end of the cartridge. • By quickly releasing thumb force from the T-handle, the diaphragm relaxes and the elastic recoil creates the negative pressure that secures distinct aspiration.
ASPIJECT®and the self-aspirating principle • The self-aspirating principle eliminates grip change or inadvertent repositioning of the needle tip. • Aspiration can also be produced by depressing and releasing the thumb disc. • By depressing the thumb disc, the force is transferred directly to the glass wall of the cartridge, making the aspiration result independent of different cartridges properties.
Maintenance of the ASPIJECT® • ASPIJECT® is made from high-grade acid resistant stainless steel and special heat resistant engineering polymer. The syringe can be sterilizied by any method withstanding temperatures until 200ºC. • Like all stainless steel instruments, the syringe should be carefully cleaned and rinsed before sterilization. (Anaesthetic solutions are highly acidic). • When attention is paid to these few pieces of advice, ASPIJECT® will function and appear as new for many years.
Advantages ASPIJECT® • No need to change grip when moving from aspiration to injection and therefore minimized risk of needle tip movement. • Withstands repeated sterilization by any method (Max 200ºC / 390ºF). • Possible to load without needle penetrating the diaphragm to avoid ion contamination of the anaesthetic solution. • Tactile sensitivity is enhanced by the solid one piece machined designed. • Side – loading. Quick and easy with large window. • There is a 5 year material and construction guarantee on ASPIJECT® syringes.
