What you need to know about ASPIJECT ® & local dental anaesthesia Quality you can Feel! ASPIJECT
Introduction ASPIJECT ® can be used with any standard dental cartridge and needle. ASPIJECT ® is a self-aspirating dental cartridge syringe for infiltration and block anaesthesia. 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 ® 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. Side – loading. Quick and easy with large window. No need to change grip when moving from aspiration to injection and therefore minimized risk of needle tip movement. Tactile sensitivity is enhanced by the solid one piece machined designed. There is a 5 year material and construction guarantee on ASPIJECT ® syringes.
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