Positioning indwelling needle used for continuous peripheral nerve blocking and anaesthesia method of the positioning indwelling needle

Abstract

The invention discloses a positioning indwelling needle used for continuous peripheral nerve blocking. The positioning indwelling needle is composed of two components, namely a Y-shaped indwelling needle and a nerve positioning needle. The Y-shaped indwelling needle includes a needle base, an indwelling hose led out along the bottom surface of the needle base, and an injection guide pipe led out along the side surface of the needle base; the nerve positioning needle includes a needle body which can be inserted into an inner cavity of the indwelling hose, the needle body is installed on a needle handle which can be buckled with the needle base, and a wire used for connecting the needle body with a nerve stimulator is led out of the tail end of the needle handle; the needle body is made from conductive materials, the indwelling needle is made from insulating materials, and the tip of the needle body extends and is exposed outside the indwelling hose. When the positioning indwelling needle is in use, an electrode slice used for a positive electrode of the nerve stimulator is connected with limbs at the same side of a patient, the output end of the nerve stimulator is connected with the needle body of the nerve positioning needle through the wire, and according to the anatomical position of a to-be-blocked peripheral nerve, a puncturing and needle inserting point is determined. The positioning indwelling needle is cheap, accurate in anesthesia positioning, convenient and reliable in postoperative analgesia and few in complication, and the quality and safety of anesthesia is significantly improved.

Description

technical field [0001] The invention belongs to the field of anesthesia, in particular to a positioning indwelling needle for continuous peripheral nerve block and an anesthesia method thereof. Background technique [0002] The anesthesia method of peripheral nerve block has the advantages of simple operation, perfect local analgesic effect, clear consciousness of the patient, and less impact on the whole body, so it has been widely used in upper and lower extremity operations. However, the traditional peripheral nerve block operation uses the blind puncture method. This method has no objective indicators and can only be located by repeatedly looking for abnormal sensations. It is easy to damage the surrounding blood vessels and nerves, and there is a certain risk of anesthesia. anesthetist to complete. [0003] In recent years, with the rapid development of medical equipment, peripheral nerve stimulators have been widely used in clinical anesthesia. Its working principle i...

AI Technical Summary

Problems solved by technology

However, the currently used nerve stimulation needles can only implement a single block and one-time administration, and cannot be used for postoperative analgesia. This method of anesthesia cannot be used for long-term operations, and its scope of use has been limited. limit

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