Oral local anesthesia auxiliary drug delivery device with built-in needle

Abstract

The invention relates to an oral local anesthesia auxiliary drug delivery device with a built-in needle. It includes an opener, a needle, a control mechanism for controlling the extension of the needle from the opener, and an injection mechanism communicating with the needle through a catheter; the needle is L-shaped and accommodated in a cavity opened in the opener, the needle tip of the needle The slide hole is provided on the gag and located at the top of the accommodating cavity, the base of the needle is connected with the catheter, and the gag is provided with a perforation for the catheter to pass through the accommodating cavity to connect with the injection mechanism. On the one hand, the invention alleviates the patient's fear of needle puncture, on the other hand, it can keep the mouth open during the operation and improve the comfort of the patient.

Description

Technical field [0001] The present invention relates to the field of dentistry surgical aids, specifically to the oral administration of a local anesthetic auxiliary needle apparatus built. Background technique [0002] Oral local anesthesia (oral local anesthesia) referred to as local anesthesia, local anesthesia refers to the drug within the body to temporarily block certain sensory conduction region nerve endings and the fibers, so that the pain area. No special equipment, without participation of the anesthesiologist, surgeon can operate independently, without special postoperative care, security is relatively large, an appropriate amount of the local anesthetic was added vasoconstrictor, hemorrhage surgery can decrease, facilitate the surgical procedure. So widely used in dentistry and oral and maxillofacial surgery. [0003] Conventional dentist's way as ordinary multi-barreled syringe needle inside the mouth of the muscle tissue direct puncture or injection, the following ...

AI Technical Summary

Problems solved by technology

Not only does it cause great harm to the young mind of the child, and requires a long period of comfort, but also the puncture point and the needle may be offset due to the violent twisting of the child's head or the opening and closing of the upper and lower jaws during the injection process. The resulting puncture point expands or scratches other parts of the oral cavity, which is not conducive to the operation and postoperative recovery

[0005] On the other hand, after anesthesia, the patient's mouth cannot be kept open for a long time, and the medical staff needs to cooperate to open the patient's mouth so that medical equipment can act on the surgical site, wasting a lot of manpower

When opening the mouth through the pliers-shaped mouth opener, due to its fixed position after opening, the patient's comfort is low, and it is easy to cause fatigue damage to the patient's facial musculoskeletal

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