Painless intraosseous local anesthesia injector

Abstract

The invention relates to a painless intraosseous local anesthesia injector. Motors are used to control a needle to allow the needle to complete rotation movement and linear movement at the same time so as to achieve intraosseous injection and painless injection. The painless intraosseous local anesthesia injector comprises a chip and circuit board, a rotation propelling system, a linear propellingsystem, a control button (trigger), a battery and a shell and retention module. When the painless intraosseous local anesthesia injector is used, surface anesthesia is performed on the mucosa or skinsurface of a to-be-injected part, the linear propelling system is started to perform slow administration, the needle is fed after the anesthesia, the feeding depth of the needle is controlled in theaction range of the previous anesthesia, the operation is repeated until the needle reaches the surface of bone cortex, the rotation propelling system is started to allow the needle to puncture the sclerotin to perform intraosseous injection, the intraosseous injection follows the painless administration mode above, a certain dose of anesthetic is injected when the administration site is reached,and the needle is taken out to press the puncture part to complete the whole painless intraosseous injection process; a back suction step can be added to a special part when necessary.

Description

technical field [0001] The invention is a painless intraosseous local anesthesia injection device, which can be applied to medical fields such as oral cavity and surgery. Background technique [0002] In medical fields such as stomatology, general surgery, and orthopedics, it is often necessary to inject anesthetics into bones to achieve a more perfect local anesthesia effect, but conventional syringes and anesthesia equipment are designed for puncturing skin and mucous membranes, which cannot or are very difficult to achieve. It is difficult to puncture bone, especially the hard cortical bone. In order to complete the intraosseous injection, the cortical bone and cancellous bone must be removed with a drill and other equipment, and then anesthesia is injected with a syringe, and the whole process is often painful. This device is specially designed for puncturing cortical bone and cancellous bone. It can easily puncture bone, and it also takes into account the mode of painle...

AI Technical Summary

Problems solved by technology

[0002] In medical fields such as stomatology, general surgery, and orthopedics, it is often necessary to inject anesthetics into bones to achieve a more complete local anesthesia effect, but conventional syringes and anesthesia equipment are designed for puncturing skin and mucous membranes, which cannot or are very difficult Difficult to puncture bone, especially hard cortical bone, in order to complete intraosseous injection, you must first use drills and other equipment to remove cortical bone and cancellous bone, and then inject anesthesia with a syringe, and the whole process is often painful

Images