| 摘要 |
A hand-held vibrating tool is provided to create an anesthesia effect on a patient's skin when the tool is touched to the skin. The tool includes a body which is easily grasped by the user and a removable tip having forked prongs for touching the skin. A small electric motor is housed within the body and is powered by batteries, with an on/off switch to control actuation of the motor. The motor generates vibrations which are transmitted through the prongs to the patient's skin, and thereby create a numbed zone prior to a medical procedure, such as an injection. Interchangeable tips are provided with differently spaced prongs to create smaller or larger anesthetized zones for the patient.
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