CN212729926U

CN212729926U - Puncture tool for nerve block anesthesia

Info

Publication number: CN212729926U
Application number: CN202020467756.8U
Authority: CN
Inventors: 赵斌; 张世龙; 张国元
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-03-19
Anticipated expiration: 2030-04-02

Abstract

The utility model belongs to a medical surgical instrument, in particular to a nerve block anesthesia puncture tool. A nerve block anesthesia puncture tool comprises a puncture needle connected with a micro-insert through a lead and a puncture needle core inserted in the puncture needle, wherein the puncture end of the puncture needle core is a sharp-horn-shaped puncture end head b, the puncture needle comprises a base and a needle tube, and the puncture end of the needle tube is a sharp-horn-shaped puncture end head a; the puncture needle core and the needle tube are respectively detachably connected with the puncture tip b and the puncture tip a, and the sharp angle angles of the puncture tip b and the puncture tip a are 45-60 degrees. The utility model discloses the pjncture needle can be dismantled with puncture end a and be connected, the puncture needle core can be dismantled with puncture end b and be connected, and each puncture end an angle is inequality, and each puncture end b angle is inequality, can satisfy the patient of different state of the illness, different constitutions and change simply convenient.

Description

Puncture tool for nerve block anesthesia

Technical Field

The utility model belongs to a medical surgical instrument, in particular to a nerve block anesthesia puncture tool.

Background

Along with the improvement of national living standard and the continuous development of surgical technology, the number of obese patients is relatively increased, the difficulty and risk of nerve block anesthesia are increased, ultrasound in county and district hospitals cannot be popularized yet, the application of a nerve stimulator is relatively safe and effective, the traditional nerve plexus puncture needle is expensive (about 170 yuan/count), is basically disposable, is partially composed of plastic products, cannot be sterilized at high pressure, and cannot be sterilized at low temperature for several times, so that the burden of the patients is increased; the tip of the traditional nerve plexus puncture needle is relatively sharp, and nerve injury happens occasionally; the traditional nerve plexus puncture needle is a hollow needle, so that tissue fragments are easily blocked in the puncture process, the medicine cannot be injected, and the economic burden and the pain of a patient are increased by the needle replacement operation. Therefore, the traditional artery puncture needle has the following defects: 1. tissue fragments are easy to block in the puncturing process, so that the medicine cannot be injected, and the economical burden and the pain of a patient are increased by the needle changing operation; 2. the part is made into plastic products which can not be sterilized by high pressure and can be reused; 3. the fixed single-angle puncture tip cannot be suitable for patients with different disease conditions and different constitutions.

SUMMERY OF THE UTILITY MODEL

The utility model provides a puncture tool for nerve block anesthesia, which can improve the success rate of one-time puncture and reduce the difficulty and risk of nerve block anesthesia; the error is reduced, and the pain of the patient is relieved; is suitable for patients with different disease conditions and different constitutions:

the utility model discloses a following technical scheme realizes:

a nerve block anesthesia puncture tool comprises a puncture needle connected with a micro-insert through a lead and a puncture needle core inserted in the puncture needle, wherein the puncture end of the puncture needle core is a sharp-horn-shaped puncture end head b, the puncture needle comprises a base and a needle tube, and the puncture end of the needle tube is a sharp-horn-shaped puncture end head a; the puncture needle core and the needle tube are respectively detachably connected with the puncture tip b and the puncture tip a, and the sharp angle angles of the puncture tip b and the puncture tip a are 45-60 degrees.

The lead is a plastic lead.

The puncture needle and the puncture needle core are both made of metal materials.

The puncture needle core is characterized in that an inner thread is arranged at the connecting end of the puncture needle core and the puncture end b, a first bulge is arranged at the connecting end of the puncture end b and the puncture needle core, and an outer thread matched with the inner thread at the connecting end of the puncture needle core is arranged on the first bulge.

The puncture needle with the link of puncture end a is equipped with the internal thread, puncture end a with the link of puncture needle is equipped with the second arch, is equipped with the external screw thread with the internal thread looks adaptation of puncture needle link on this second arch.

The utility model has the advantages that: the puncture needle core is inserted in the puncture needle, so that the tissue fragments can be prevented from being blocked in the puncture process, and the medicine can not be injected; the puncture needle and the puncture needle core are made of metal materials, and can be sterilized under high pressure and reused; puncture needle and puncture end a can be dismantled and be connected, the puncture needle core can be dismantled with puncture end b and be connected, and each puncture end a angle is inequality, and each puncture end b angle is inequality, can satisfy the patient of different state of the illness, different constitutions and change simply convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the puncture needle of the present invention;

FIG. 3 is a schematic view of the connection structure of the puncture needle and the puncture tip a of the present invention;

FIG. 4 is a schematic view of the connection structure between the puncture needle core and the puncture tip b of the present invention;

in the figure: 1, puncture needle; 11 a base; 12 needle tubes; 13 a puncture tip a; 14 internal threads a; 131 a first projection; 132 external threads a; 2 puncturing the needle core; 21 a puncture tip b; 22 internal threads b; 211 a second projection; 212 external thread b; 3, conducting wires; 4 micro-insertion.

The specific implementation mode is as follows: referring to fig. 1 to 4, a puncture device for nerve block anesthesia comprises a puncture needle 1 connected with a micro-insert 4 through a lead 3 and a puncture needle core 2 inserted in the puncture needle, wherein the puncture end of the puncture needle core 2 is a sharp-horn-shaped puncture tip b21, the puncture needle 1 comprises a base 11 and a needle tube 12, and the puncture end of the needle tube 12 is a sharp-horn-shaped puncture tip a 13; the puncture needle core 2 and the needle tube 12 are respectively in threaded connection with a puncture tip b21 and a puncture tip a13, and the sharp angles of the puncture tip b21 and the puncture tip a13 are 45-60 degrees.

The lead 3 is a plastic lead, so that the puncture tool can be moved conveniently.

The puncture needle 1 and the puncture needle core 2 are both made of martensitic stainless steel, and can be heated, sterilized and repeatedly used.

The connecting end of the puncture needle core 2 and the puncture tip b21 is provided with an internal thread b22, the connecting end of the puncture tip b21 and the puncture needle core 2 is provided with a second bulge 211, and the second bulge 211 is provided with an external thread b212 matched with the internal thread b22 at the connecting end of the puncture needle core 2; not only can ensure the connection stability of the puncture needle core 2 and the puncture tip b21, prevent the puncture tip b21 from falling off in the puncture process, but also is convenient for replacing the puncture tip b 21.

The connection end of the puncture needle 1 and the puncture tip a13 is provided with an internal thread a14, the connection end of the puncture tip a13 and the puncture needle 1 is provided with a first bulge a131, and the first bulge a131 is provided with an external thread a132 matched with the internal thread a14 of the connection end of the puncture needle 1. Not only can ensure the connection stability of the puncture needle 1 and the puncture tip a13, prevent the puncture tip a13 from falling off in the puncture process, but also is convenient for replacing the puncture tip a 13.

Will the utility model discloses use with neural stimulator is supporting, with neural stimulator's anodal electrocardioelectrode subsides with patient's skin and be connected, the negative pole is inserted a little with the pjncture needle and is connected, set up the parameter frequency, the needle body area nook closing member (figure 1) operation, when the needle point is close the nerve plexus, the muscle that this nerve plexus innervated produces rhythm shrink (mainly used nerve plexus or the anesthesia of blocking of nerve trunk, also can be used to the regional anesthesia of blocking, the regional analgesia or the neurology diagnosis), pull out the pjncture needle core, the pjncture needle body connects the syringe, the inspection position is correct, the injection of drugs.

Claims

1. A nerve block anesthesia puncture tool comprises a puncture needle connected with a micro-insert through a lead and a puncture needle core inserted in the puncture needle, wherein the puncture end of the puncture needle core is a sharp-horn-shaped puncture end head b, the puncture needle comprises a base and a needle tube, and the puncture end of the needle tube is a sharp-horn-shaped puncture end head a; the method is characterized in that: the puncture needle core (2) and the needle tube (12) are detachably connected with a puncture end b (21) and a puncture end a (13) respectively, the sharp angle angles of the puncture end b (21) and the puncture end a (13) are 45-60 degrees, and the puncture needle (1) and the puncture needle core (2) are made of metal materials.

2. The nerve block anesthesia puncture device of claim 1, wherein: the lead (3) is a plastic lead.

3. The nerve block anesthesia puncture device of claim 1, wherein: the puncture needle core (2) with the link of puncture end b (21) is equipped with internal thread b (22), puncture end b (21) with the link of puncture needle core (2) is equipped with second arch (211), is equipped with the external screw thread b (212) with the internal thread b (22) looks adaptation of puncture needle core (2) link on this second arch (211).

4. The nerve block anesthesia puncture device of claim 1, wherein: the puncture needle is characterized in that an internal thread a (14) is arranged at the connecting end of the puncture needle (1) and the puncture end a (13), a first bulge a (131) is arranged at the connecting end of the puncture end a (13) and the puncture needle (1), and an external thread a (132) matched with the internal thread a (14) at the connecting end of the puncture needle (1) is arranged on the first bulge a (131).