Aspirating Syringes
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About aspirating syringes
An aspirating syringe is a dental cartridge syringe that can aspirate, to check that the needle is not inside a blood vessel before the solution goes in. A review states that aspiration during injections decreases the risk of intravascular injection, while a slow injection reduces tissue distortion and the discomfort that goes with it. ISO 9997 covers cartridge syringes of the non-aspirating, aspirating and self-aspirating types. A narrative review calls the standard aspirating syringe still the most popular way to give local anaesthetic.
The instrument that holds the cartridge, in a version that can aspirate rather than one that cannot. Safety versions carry a sheath that locks over the tip of the needle after the injection, and a narrative review notes the Centers for Disease Control and Prevention has recommended safe dental syringes.
Sources: Ghafoor et al. 2023, Neurological Complications of Local Anesthesia in Dentistry: A Review (Cureus) · ISO 9997:2020, Dentistry — Cartridge syringes · Pahade et al. 2023, Recent Modalities in Pain Control and Local Anesthesia in Dentistry: A Narrative Review (Cureus)