Main features: 1) Wireless pen type operation, simple and convenient. 2) Uniform injection with back suction, to avoid the risk of blood entry 3) Equipped with high,low and PDL periodontal injection speed gears,precise boost control drug dosage. 4) Dynamic pressure feedback, uniform injection in different tissue densities. 5) Equipped with music mode to offer patients a relaxed atmosphere. Contraindications The device is not recommended for use: 1)In patients who have a pacemaker or otherimplanted electrical devices, or have been cautioned by their physicians against the use of small electric appliances such as shavers. hair dryers, etc. 2) Hemophilia patients are banned. 3) Use with caution in patients with heart disease, pregnant women and young children. 4)Patients with active periodontal disease are prohibited from intra-igament injections. Injection speed:Select the injection gear according to clinical requirements Gears:Single anesthetic injection time High:50-70s Slow:130-170s PDL:200-280s

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