The content of the invention
It is an object of the invention to be used for continuous peripheral blockade there is provided one kind for above-mentioned the problems of the prior artPositioning remaining needle and its anesthesia, can be applied among prolonged operation, and postoperative analgesia is substantially, expandsThe application of periphery neural blocking anesthesia method, reduces the adverse reaction caused by systemic vein is eased pain, improves patient'sComfort level.
To achieve these goals, the present invention is used for the positioning remaining needle of continuous peripheral blockade, by Y types remaining needle andTwo components of nerve positioning pin are constituted；Described Y types remaining needle includes needle stand and respectively along needle stand bottom surface and side extractionIndwelling flexible pipe and injection catheter；Described nerve positioning pin includes the needle body for being inserted into indwelling flexible pipe inner chamber, and needle body is arranged onOn the needle handle that can be fastened with needle stand, needle handle tail end draws the wire for connecting needle body and nerve stimulation instrument；Described needle bodyIt is made of conductive material, indwelling flexible pipe, which is adopted, to be made from an insulative material, and the tip extension of needle body is exposed to outside indwelling flexible pipePortion.
Length mark is carved with the needle body of the nerve positioning pin.
Described indwelling flexible pipe is made of polyethylene insulation material, and needle body is made of conductive metal material.
Closing cock is provided with the needle stand of the Y types remaining needle, needle body inserts the inner chamber of indwelling flexible pipe through closing cock.
Fluid injection switch folder is installed on described injection catheter.
Described injection catheter end has been provided with the calparine cap of sealing process.
The end of the wire is provided with the input plug for connecting nerve stimulation instrument delivery outlet.
The length of the indwelling flexible pipe is equal with needle body, and the length of the two is 40cm~50cm.
Expose 2mm in the outside that the tip of the needle body extends to indwelling flexible pipe.
The present invention positions the anesthesia of remaining needle for continuous peripheral blockade, comprises the following steps：
Step 1: the positive pole electrode slice of nerve stimulation instrument is connected with patient's Ipsilateral limb, by the negative of nerve stimulation instrumentThe input plug connection of pole and wire end, the as needed anatomical position determination of retardance peripheral nerve punctures entry point；
Step 2: the stimulating current for starting setting up nerve stimulation instrument is 1.5mA, when needle point is close to nerve cord, if causingThe muscle Rythmic contractions characteristic dominated, when stimulating current is reduced to 0.5mA, still has contraction of muscle, illustrates that Needle localization is accurate；
Step 3: the needle stand of Y type remaining needles is fixed, needle body is extracted, and makes to be connected to the indwelling flexible pipe of needle stand front end stillSo around nerve cord, local anesthetic injection is entered by injection catheter, so far a nerve block is completedAnesthesia；According to the difference of operating time length, carry out repeatedly or continuous injection is operated；
Step 4: after operation terminates, Postoperative Analgesia After pump to be connected to the end of injection catheter, Postoperative Analgesia After is carried out.
Compared with prior art, the present invention has following beneficial effect：By the positive pole electricity consumption of nerve stimulation instrument when usingPole piece is connected with patient's Ipsilateral limb, and nerve stimulation instrument output end connects the needle body of nerve positioning pin by wire, as neededThe anatomical position for blocking peripheral nerve determines to puncture entry point, starts setting up stimulating current for 1.5mA, when needle point is close to nerve cordWhen, cause dominated muscle Rythmic contractions characteristic, when stimulating current is reduced to 0.5mA, still there is contraction of muscle, illustrate to puncture and determineLevel is true.The needle stand of Y type remaining needles is now fixed, the needle body of nerve positioning pin is extracted, and is connected to the indwelling of needle stand front endFlexible pipe is still within around nerve cord, and local anesthetic is simultaneously injected into by the needle stand of fixed Y type remaining needles by injection catheterGo, this completes a nerve block anesthesia., can repeatedly or continuous infusion according to operating time length in anaesthesia processLocal anesthetic, meets operation and requires, it is ensured that anaesthesia process safety, definite effect is reliable.Perform the operation Postoperative Analgesia After after terminatingPump is connected to injection catheter end, and effective Postoperative Analgesia After, this analgesia mould can be carried out by setting the various parameters of analgesia pumpFormula is not only able to reduce the dosage of opioid drug, reduces the incidence of the systemic adverse reactions such as nausea and vomiting, additionally it is possible toBy blocking sympathetic nerve, prevent from, because pain triggers vasopasm, increasing the CBF of extremity vascular, particularly to the replantation of a severed limbOperation and row extremity vascular anastomosis operation, can significantly improve the success rate of operation.The present invention's is cheap, anesthesia positioningAccurately, Postoperative Analgesia After is convenient and reliable, and complication is less, hence it is evident that improve quality of anesthesia and security, improves patients undergoingComfort level, the present invention is simple to operate, it is easy to grasp, easy to use, with very high practical value and promotional value.
Further, length mark is carved with the needle body of nerve positioning pin of the present invention, for being seen when nerve block is puncturedExamine and fluid injection switch folder be installed on the depth of inserting needle, injection catheter, injection catheter end has been provided with the calparine cap of sealing process,Closing fluid injection switch folder during fluid injection, opens fluid injection and switchs to press from both sides again after removing calparine cap, the end connection syringe of injection catheterMedicine is injected, injection turns off fluid injection switch folder, removes syringe, then screw on calparine cap in the end of injection catheter after finishing.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1-3, the present invention is made up of two components of Y types remaining needle and nerve positioning pin.Y types remaining needle includes needle stand1 and the indwelling flexible pipe 3 and injection catheter 4 drawn respectively along the bottom surface of needle stand 1 and side, fluid injection is installed on injection catheter 4 and openedFolder 5 is closed, the end of injection catheter 4 has been provided with the calparine cap 6 of sealing process.Nerve positioning pin includes being inserted into indwelling flexible pipe 3Closing cock 2 is provided with the needle body 7 of inner chamber, the needle stand 1 of Y type remaining needles, needle body 7 inserts the interior of indwelling flexible pipe 3 through closing cock 2Chamber.Length mark is carved with needle body 7.Needle body 7 is arranged on the needle handle 8 that can be fastened with needle stand 1, and the tail end of needle handle 8, which is drawn, to be used forThe wire 9 of needle body 7 and nerve stimulation instrument is connected, the end of wire 9 is provided with the input for connecting nerve stimulation instrument delivery outletPlug 10.Indwelling flexible pipe 3 is made of polyethylene insulation material, and needle body 7 is made of conductive metal material.Indwelling flexible pipe 3 is adoptedIt is made from an insulative material, and the tip extension of needle body 7 is exposed to the outside of indwelling flexible pipe 3.
The length of indwelling flexible pipe 3 is equal with needle body 7, and the length of the two is 40cm~50cm.By adjusting neurodineThe length of position needle body 7 and indwelling flexible pipe 3, designs the peripheral blockade positioning remaining needle of different model.
In the use of the present invention, nerve stimulation instrument positive pole electrode slice is connected with patient's Ipsilateral limb, negative pole is (namelyNerve stimulation instrument output end) it is connected with the end output plug of wire 9 of periphery retardance positioning remaining needle, periphery is blocked as neededThe anatomical position of nerve determines to puncture entry point, starts setting up stimulating current for 1.5mA, when needle point is close to nerve cord, can drawAct dominated muscle Rythmic contractions characteristic；When stimulating current is reduced to 0.5mA, still there is contraction of muscle, illustrate that Needle localization is accurateReally.The needle stand 1 of Y type remaining needles is now fixed, the needle body 7 of nerve positioning pin is extracted by the closing cock 2 of elastomeric flexible, and is connectedThe indwelling flexible pipe 3 for being connected on the front end of needle stand 1 is still placed in around nerve cord, and the needle stand of Y type remaining needles is properly fixed with transfusion pad pasting1, local anesthetic injection is entered by injection catheter, this completes a nerve block anesthesia.In anaesthesia processAccording to operating time length, repeatedly or continuous infusion local anesthetic it can meet operation completely and require, it is ensured that anesthesiaProcess safety, definite effect is reliable.Postoperative Analgesia After pump can be connected to the end of injection catheter 4 by operation after terminating, and setThe various parameters of analgesia pump, it is possible to carry out effective Postoperative Analgesia After, this Mode of analgesia can not only reduce opioid drugDosage, the incidence of the reduction systemic adverse reactions such as nausea and vomiting can also be prevented because of pain by blocking sympathetic nervePain triggers vasopasm, increases the CBF of extremity vascular, particularly replantation of a severed limb operation and row extremity vascular are coincideOperation, can significantly improve the success rate of operation.The present invention's is cheap, anaesthetizes accurate positioning, works well, Postoperative Analgesia AfterConvenient and reliable, complication is less, can significantly improve quality of anesthesia and security, improves patients undergoing comfort level.
The present invention is continuously given on the premise of nerve block accuracy is not influenceed using low dose of, low concentration and gradationThe method of medicine, it is to avoid the drug-induced toxic reaction of the single heavy dose of local anaesthesia of retardance injection, can solve the problem that operating time lengthProblem；Peripheral nerve Postoperative Analgesia After can be carried out by indwelling flexible pipe 3 simultaneously, and this nerve stimulation positions the price of remaining needleIt is cheap, accurate positioning is anaesthetized, analgesic effect is reliable, and few intercurrent disease is simple to operate, easy to use, it is easy to popularization and application.