No conventional needle
A narrow, high-velocity fluid jet delivers the medication through the tissue.
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Comfort-in™ is a compact, spring-powered needle-free injection system designed for dental local anesthesia. It delivers the anesthetic through a narrow, high-velocity fluid jet instead of a conventional hypodermic needle.
What's included in STARTER PACK
Consumables
For professional healthcare use only.

Comfort-in™ is a compact, spring-powered injection system designed to deliver dental local anaesthetic without a conventional needle.
A narrow, high-velocity fluid jet delivers the medication through the tissue.
Designed to reduce the fear and hesitation commonly associated with conventional needles.
The spring-powered injection is delivered in less than one-third of a second.
The disposable nozzle is supplied sterile and is replaced after each use.
Comfort-in™ uses a compact spring mechanism to force a precisely measured dose through a very small nozzle opening. The resulting fluid jet penetrates the tissue and disperses the medication without a conventional hypodermic needle.
Arm the injector using the pressure lever or pressure box.
Transfer the prescribed medication into a sterile single-use nozzle.
Place the nozzle correctly, unlock the device and activate the injector.
Comfort-in™ is available in Soft and Medium configurations, giving healthcare professionals two delivery ranges within the same compact needle-free platform.
The Comfort-in™ system combines a reusable injector with sterile, single-use components for filling, positioning and delivery.
Product information on this page does not replace the current manufacturer instructions for use, clinical training or professional judgement.
Contact SIM Store for product availability, consumables, training information and package details.