CN215078454U - Pipe seal wire fixing device is put in radial artery puncture - Google Patents
Pipe seal wire fixing device is put in radial artery puncture Download PDFInfo
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- CN215078454U CN215078454U CN202120721633.7U CN202120721633U CN215078454U CN 215078454 U CN215078454 U CN 215078454U CN 202120721633 U CN202120721633 U CN 202120721633U CN 215078454 U CN215078454 U CN 215078454U
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- guide wire
- radial artery
- wire fixing
- switch
- seal wire
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Abstract
The utility model relates to a pipe seal wire fixing device is put in radial artery puncture, include nook closing member (1), needle file (2), keep somewhere sleeve pipe (3), UNICOM's ware (4) and seal wire (6), UNICOM's ware (4) on be equipped with seal wire entry (5), be equipped with seal wire fixed switch (7) on seal wire entry (5). Compared with the prior art, the utility model has the advantages of reduce the degree of difficulty of operator when the puncture is put the pipe operation, increase first success rate when the pipe is put in the puncture of radial artery, etc.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to pipe seal wire fixing device is put in radial artery puncture.
Background
Radial artery puncture catheterization is an important means for major operation and critical patient rescue at present. Through subcutaneous radial artery puncture catheter placement, the arterial pressure can be detected, the change of the arterial pressure can be continuously and accurately displayed, reliable basis is provided for solving the change of the state of an illness and clinical treatment, and arterial blood and supplied blood gas can be extracted at any time for analysis. Due to high radial artery pressure, thick wall and thin lumen of the arterial tube, once the first puncture tube placement fails, hematoma and arterial spasm at the puncture part are easily caused, and the difficulty in the second puncture tube placement is caused, therefore, the key is that the success rate of the first puncture tube placement is improved.
The radial artery puncture needle used at present comprises a needle core, a needle seat, an indwelling sleeve and a communicating device, and is characterized in that a percutaneous radial artery puncture indwelling tube guiding device disclosed in a novel patent CN201958997U is used practically, the percutaneous radial artery puncture indwelling tube guiding device comprises the needle core, the needle seat, the indwelling sleeve, a communicating device and a guide wire, wherein the needle core can directly penetrate through an artery indwelling tube needle core inlet in the communicating device, the communicating device comprises an artery indwelling tube needle core inlet, an artery indwelling tube guiding tube interface, a pressure measuring device interface and a guide wire inlet, the front end of the guide wire is round and blunt, and the radial artery puncture needle is provided with a protective film and can enter the artery indwelling tube guiding tube interface and the indwelling sleeve through the guide wire inlet under the condition of small resistance. However, after the puncture needle is successfully punctured, an operator needs to pull out the radial artery puncture needle with one hand and take the guide wire to be placed, and then fix the cannula with the other hand, which easily causes the displacement of the cannula and leads to the failure of the cannula placement. Due to high radial artery pressure and thin lumen, once the puncture is unsuccessful for the first time, hematoma and local spasm at the puncture part are easy to cause, and the puncture is difficult to be performed again.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pipe seal wire fixing device is put in puncture of radial artery reduces the operator and puts the degree of difficulty when managing the operation in puncture, increases the first success rate when putting the pipe in puncture of radial artery.
The purpose of the utility model can be realized through the following technical scheme: a guide wire fixing device for a radial artery puncture catheter comprises a needle core, a needle seat, a retention sleeve, a communicator and a guide wire, wherein the communicator is provided with a guide wire inlet, and a guide wire fixing switch is arranged on the guide wire inlet. The needle core is connected with the needle seat and passes through the communicating device. The utility model discloses device seal wire stationary switch can fix the seal wire that gets into from the seal wire entry, prevent it from getting into UNICOM's ware at puncture in-process mistake when putting into the seal wire entry in advance with the seal wire, after the puncture is successful, make the seal wire get into again, need snatch the seal wire once more and put into after avoiding the operator to put the pipe success, the sleeve pipe position that prevents this process to cause changes and leads to the puncture to put the pipe failure, the degree of difficulty when having reduceed the operator and putting the pipe operation in the puncture, the first success rate when increasing radial artery puncture and putting the pipe. The communicating device can be made of transparent materials, and whether the blood vessel is punctured can be observed at any time in the puncturing process, so that the communicating device is suitable for operators with less experience.
Preferably, the guide wire fixing switch is detachably mounted on the side wall of the guide wire inlet. After the radial artery puncture is successful, the needle core is pulled out, the indwelling catheter is positioned in the radial artery, and the guide wire fixing switch is pulled out at the moment, so that the guide wire can smoothly enter from the guide wire inlet, the structure is simple, and the operation is convenient.
Preferably, the guide wire fixing switch is a cylinder or a cone clamped on the side wall of the guide wire inlet, one end of the guide wire fixing switch extends into the guide wire inlet, and the other end of the guide wire fixing switch is exposed outside the guide wire inlet. The part stretching into the guide wire inlet is used for enabling the guide wire to be abutted to the guide wire inlet, the guide wire is limited and fixed, the part exposed out of the guide wire inlet is convenient for an operator to pull out the guide wire fixing switch, and the guide wire can smoothly enter from the guide wire inlet.
Preferably, the cylinder comprises a triangular prism or a quadrangular prism, the cone comprises a triangular pyramid, and an opening for the guide wire to pass in and out of the guide wire fixed switch is arranged on the side wall of the guide wire inlet. The shape of the cylinder and the cone is regular, the structure is simple, and the preparation, the installation and the disassembly are convenient. The prism or pyramid structure can also prevent the guide wire fixing switch from rotating in the use process, and the stability of the guide wire fixing switch is improved.
Preferably, the included angle between the guide wire inlet and the needle core is 10-15 degrees, and the guide wire inlet is provided with a flexible rubber film; the front end of the guide wire is round and blunt, the guide wire penetrates through the flexible rubber membrane, and the end part of the guide wire is propped against the guide wire fixing switch. The flexible rubber membrane at the guide wire inlet plays a certain supporting and fixing role for the guide wire, and can be mutually matched with the guide wire fixing switch, so that the guide wire is stably fixed in the guide wire inlet in the puncture process.
Preferably, the guide wire fixing switch is connected with a pulling assembly. The guide wire fixing switch is small in size, the pulling assembly is arranged, an operator can take the guide wire fixing switch down smoothly, and the guide wire fixing switch is convenient to operate.
Preferably, the pulling assembly comprises a pulling rope or a pulling loop. The preferable haulage rope, the haulage rope simple structure, simple to operate, the quality is lighter, does not cause the influence to seal wire stationary switch.
Preferably, a limiting component used for limiting the guide wire fixing switch is arranged in the guide wire inlet. The limiting assembly can improve the stability of the guide wire fixing switch, and further improve the stability of the guide wire in the guide wire inlet.
Preferably, the limit component comprises a limit boss annularly arranged around the guide wire fixing switch. The limiting boss is simple in structure and is annularly arranged around the guide wire fixing switch, so that the stability of the guide wire fixing switch on the side wall of the guide wire inlet can be improved, and the guide wire fixing switch is prevented from shaking, rotating and the like on the side wall of the guide wire inlet.
Preferably, the guide wire fixing switch is provided with a positioning assembly, and the positioning assembly comprises a boss or a rubber ring. The boss or the rubber ring is arranged on the guide wire fixing switch and located on the outer side of the side wall of the guide wire inlet, the length of the guide wire fixing switch extending into the guide wire inlet can be accurately controlled, the guide wire fixing switch is prevented from excessively extending into the guide wire inlet or directly falling into the guide wire inlet, and the accuracy and the stability of operation are improved. The positioning assembly is preferably a rubber ring, and the position of the rubber ring on the guide wire fixing switch can be flexibly adjusted according to the model size of the guide wire, so that the guide wire is accurately positioned, and the application range is wider.
In the process of puncture catheterization and guide wire placement through the radial artery, the puncture proficiency requirement is high, an operator needs to grab the guide wire again and place the guide wire after successful catheterization, and the process is easy to cause the position of the sleeve to change and cause the puncture catheterization failure. The utility model provides a this problem, convenient operation process improves first radial artery puncture and puts a tub success rate.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model has novel structure, the displacement of the radial artery sleeve is reduced in the process of placing the guide wire through the guide wire inlet, the guide wire and the guide wire fixing switch, and the guide wire fixing switch can also play a role in positioning the soft guide wire, so that the soft guide wire can not be displaced in the process of placing the guide wire;
2. the utility model has simple operation, avoids the process that an operator picks the guide wire on the fabrication table again to place the guide wire after the puncture tube placement is successful, and improves the success rate of the first radial artery puncture tube placement and the guide wire placement;
3. the utility model has wide application, can be adapted to guide wires of various types, and has wide use scenes;
4. the utility model has the advantages of simple structure, strong stability and easy assembly and disassembly through the selection design of the shape structure and the installation mode of the guide wire fixing switch;
5. the utility model has the advantages that through the design of the traction component, an operator can conveniently and smoothly take down the guide wire fixing switch, and the operation is more convenient;
6. the utility model limits the guide wire fixing switch through the design of the limiting component, prevents the guide wire fixing switch from shaking, rotating and the like, improves the stability of the guide wire fixing switch, and further improves the stability of the guide wire in the guide wire inlet;
7. the utility model discloses a positioning assembly's design has improved seal wire fixed switch's operation precision, and the design of rubber circle can be according to the nimble position of adjusting the rubber circle on seal wire fixed switch of the model size of seal wire to carry out the accurate positioning to the seal wire, application range is more extensive.
Drawings
Fig. 1 is a schematic structural view of the radial artery puncture catheterization guide wire fixing device of the present invention;
in the figure: 1-needle core, 2-needle seat, 3-indwelling cannula, 4-communicating vessel, 5-guide wire inlet, 51-flexible rubber membrane, 6-guide wire, 7-guide wire fixing switch.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples.
Example 1
A guide wire fixing device for a radial artery puncture catheter is shown in figure 1 and comprises a needle core 1, a needle base 2, an indwelling cannula 3, a communicating vessel 4, a guide wire inlet 5, a guide wire 6 and a guide wire fixing switch 7.
The needle core 1 is connected with the needle seat 2 and passes through the communicating device 4, the outer sleeve of the needle core 1 positioned at the far-end side (namely, one side far away from an operator) of the communicating device 4 is provided with an indwelling sleeve 3, the end part of the needle core 1 is exposed outside the indwelling sleeve 3, the communicating device 4 is provided with a guide wire inlet 5, the included angle between the guide wire inlet 5 and the needle core 1 ranges from 10 degrees to 15 degrees, the inlet of the guide wire inlet 5 is provided with a flexible rubber membrane 51, the side wall of the guide wire inlet 5 is provided with a guide wire fixing switch 7, the front end of the guide wire 6 is blunt, and the guide wire fixing switch 7 is fixed after passing through the flexible rubber membrane 51.
In the clinical practical operation, the upper limbs of a patient are extended outwards, the palm of the hand is upward, the wrist is lifted, the skin of the wrist is tightened, the puncture point is fully exposed after the wrist is fixed, and the patient punctures after touching the local anesthesia position with obvious fluctuation. During puncture, the device is slowly inserted, bright red blood exists in the communicating vessel 4, pulsating blood flows out from the tail end of the needle core 1, the puncture success is proved, at the moment, the included angle between the device and the skin is controlled within 25 degrees, the needle is slowly inserted by about 2mm, the needle core 1 is slowly pulled out when the indwelling cannula 3 is in the blood vessel, and then the guide wire fixing switch 7 is pulled out, so that the guide wire 6 can smoothly enter the indwelling cannula 3 from the guide wire inlet 5.
Example 2
The utility model provides a pipe seal wire fixing device is put in radial artery puncture, includes nook closing member 1, needle file 2, keeps somewhere sleeve pipe 3, UNICOM's ware 4, seal wire entry 5, seal wire 6 and seal wire stationary switch 7, and seal wire stationary switch 7 is the triangular prism, and a triangular prism part stretches into in seal wire entry 5, and another part is located the lateral wall outside of seal wire entry 5, and the part that is located 5 lateral walls outsides of seal wire entry is connected with the tractive line, and other structures are the same with embodiment 1.
Example 3
The utility model provides a pipe seal wire fixing device is put in radial artery puncture, includes nook closing member 1, needle file 2, keeps somewhere sleeve pipe 3, UNICOM's ware 4, seal wire entry 5, seal wire 6 and seal wire stationary switch 7, and seal wire stationary switch 7 is the quadrangular prism, and triangular prism partly stretches into in seal wire entry 5, and another part is located the lateral wall outside of seal wire entry 5, and the part that is located 5 lateral walls outsides of seal wire entry is connected with the tractive ring, and other structures are the same with embodiment 1.
Example 4
The utility model provides a pipe seal wire fixing device is put in radial artery puncture, includes nook closing member 1, needle file 2, keeps somewhere sleeve pipe 3, UNICOM's ware 4, seal wire entry 5, seal wire 6 and seal wire stationary switch 7, and seal wire stationary switch 7 is the triangular pyramid, is equipped with spacing boss in seal wire entry 5, and spacing boss annular sets up around seal wire stationary switch 7 to improve the stability of seal wire stationary switch 7 on 5 lateral walls of seal wire entry, all the other structures are the same with embodiment 1.
Example 5
The utility model provides a pipe seal wire fixing device is put in radial artery puncture, including nook closing member 1, needle file 2, keep somewhere sleeve pipe 3, UNICOM's ware 4, seal wire entry 5, seal wire 6 and seal wire fixed switch 7, seal wire fixed switch 7 is the triangular prism, triangular prism partly stretches into in seal wire entry 5, another part is located the lateral wall outside of seal wire entry 5, and the part that is located the 5 lateral walls outsides of seal wire entry is connected with the tractive line, still be equipped with the boss that is used for the location on seal wire fixed switch 7, the boss also is located the 5 lateral walls outsides of seal wire entry, all the other structures are the same with embodiment 1.
Example 6
The utility model provides a pipe seal wire fixing device is put in radial artery puncture, including nook closing member 1, needle file 2, keep somewhere sleeve pipe 3, UNICOM's ware 4, seal wire entry 5, seal wire 6 and seal wire stationary switch 7, seal wire stationary switch 7 is the quadrangular prism, a quadrangular prism part stretches into in the seal wire entry 5, another part is located the lateral wall outside of seal wire entry 5, and the part that is located the 5 lateral walls outsides of seal wire entry is connected with the tractive rope, still be equipped with the rubber circle that is used for the location on the seal wire stationary switch 7, the rubber circle also is located the 5 lateral walls outsides of seal wire entry, all the other structures are the same with embodiment 1.
Example 7
The utility model provides a pipe seal wire fixing device is put in radial artery puncture, including the nook closing member 1, the needle file 2, keep somewhere sleeve pipe 3, UNICOM's ware 4, seal wire entry 5, seal wire 6 and seal wire stationary switch 7, seal wire stationary switch 7 is the quadrangular prism, a quadrangular prism part stretches into in seal wire entry 5, another part is located the lateral wall outside of seal wire entry 5, and the part that is located the 5 lateral walls outsides of seal wire entry is connected with the tractive rope, still be equipped with the rubber circle that is used for the location on the seal wire stationary switch 7, the rubber circle also is located the 5 lateral walls outsides of seal wire entry, be equipped with spacing boss in seal wire entry 5, spacing boss annular sets up around the part that the quadrangular prism stretches into seal wire entry 5, be used for spacing the quadrangular prism, all the other structures are the same with embodiment 1.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The utility model provides a pipe seal wire fixing device is put in radial artery puncture, includes nook closing member (1), needle file (2), keeps somewhere sleeve pipe (3), UNICOM ware (4) and seal wire (6), its characterized in that, UNICOM ware (4) on be equipped with seal wire entry (5), be equipped with seal wire fixed switch (7) on seal wire entry (5).
2. The guide wire fixing device for the radial artery puncture catheter according to claim 1, wherein the guide wire fixing switch (7) is detachably mounted on the side wall of the guide wire inlet (5).
3. The device for fixing the guide wire of the radial artery puncture catheter according to claim 2, wherein the guide wire fixing switch (7) is a column body or a cone body clamped on the side wall of the guide wire inlet (5), one end of the guide wire fixing switch (7) extends into the guide wire inlet (5), and the other end of the guide wire fixing switch is exposed outside the guide wire inlet (5).
4. The radial artery puncture catheter guide wire fixing device according to claim 3, wherein the cylinder comprises a triangular prism or a quadrangular prism, the cone comprises a triangular pyramid, and an opening for the guide wire fixing switch (7) to enter and exit is formed in the side wall of the guide wire inlet (5).
5. The radial artery puncture catheter guide wire fixing device according to claim 1, wherein an included angle between the guide wire inlet (5) and the needle core (1) is 10-15 degrees, and the guide wire inlet (5) is provided with a flexible rubber membrane (51); the front end of the guide wire (6) is round and blunt, the guide wire (6) penetrates through the flexible rubber membrane (51) and the end part of the guide wire (6) is propped against the guide wire fixing switch (7).
6. The guide wire fixing device for the radial artery puncture catheter according to claim 1, characterized in that the guide wire fixing switch (7) is connected with a pulling component.
7. The radial artery puncture catheterization guide wire securement device of claim 6, wherein the pulling assembly includes a pulling rope or loop.
8. The device for fixing the guide wire of the radial artery puncture catheter according to claim 1, wherein a limiting component for limiting a guide wire fixing switch (7) is arranged in the guide wire inlet (5).
9. The radial artery puncture catheter guide wire fixing device according to claim 8, wherein the limiting assembly comprises a limiting boss which is annularly arranged around the guide wire fixing switch (7).
10. The device for fixing the guide wire of the radial artery puncture catheter according to claim 1, wherein a positioning component is arranged on the guide wire fixing switch (7), and the positioning component comprises a boss or a rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120721633.7U CN215078454U (en) | 2021-04-09 | 2021-04-09 | Pipe seal wire fixing device is put in radial artery puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120721633.7U CN215078454U (en) | 2021-04-09 | 2021-04-09 | Pipe seal wire fixing device is put in radial artery puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215078454U true CN215078454U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120721633.7U Active CN215078454U (en) | 2021-04-09 | 2021-04-09 | Pipe seal wire fixing device is put in radial artery puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215078454U (en) |
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2021
- 2021-04-09 CN CN202120721633.7U patent/CN215078454U/en active Active
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