CN215129066U - Lumbar puncture needle - Google Patents
Lumbar puncture needle Download PDFInfo
- Publication number
- CN215129066U CN215129066U CN202120367749.5U CN202120367749U CN215129066U CN 215129066 U CN215129066 U CN 215129066U CN 202120367749 U CN202120367749 U CN 202120367749U CN 215129066 U CN215129066 U CN 215129066U
- Authority
- CN
- China
- Prior art keywords
- needle
- communicating
- intercommunication
- needle body
- lumbar puncture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009593 lumbar puncture Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 abstract description 18
- 208000035143 Bacterial infection Diseases 0.000 abstract description 4
- 208000022362 bacterial infectious disease Diseases 0.000 abstract description 4
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 18
- 239000003814 drug Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 210000005013 brain tissue Anatomy 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 201000010039 central nervous system leukemia Diseases 0.000 description 1
- 208000025997 central nervous system neoplasm Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 208000032839 leukemia Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a lumbar puncture needle, including the needle body, first connecting head, first intercommunication, the second intercommunication, first only flow portion and second only flow portion, the front end of needle body has the needle point, be equipped with the intercommunicating pore in the needle body, the intercommunicating pore link up the axial of needle body, the fixed first connecting head that sets up in rear end of needle body, first intercommunication of fixed connection and second intercommunication on the first connecting head, first intercommunication and second intercommunication communicate with each other with the intercommunicating pore, first intercommunication and second intercommunication are the hose, the one end that first connecting head was kept away from to first intercommunication and second intercommunication all is equipped with the second connector, first only flow portion sets up in first intercommunication, second only flow portion sets up on the second intercommunication, be equipped with the needle core in the intercommunicating pore, the one end of keeping away from the needle point of intercommunicating pore is equipped with the cover cap, the cover cap is sealed. The utility model provides a lumbar puncture needle which has simple structure, reduces the operation steps, reduces the risk of bacterial infection and reduces the risk of patients in the operation.
Description
Technical Field
The utility model belongs to pjncture needle equipment field, more specifically relates to a lumbar puncture needle.
Background
Lumbar puncture is a clinical operation in which a certain amount of liquid, namely cerebrospinal fluid, is extracted from the gap between the vertebrae of a patient (the keel). Cerebrospinal fluid is a liquid that protects brain tissue, it can make brain tissue tend to a floating state, avoid brain tissue from being shocked and damaged, it is a place to carry on a nutrient exchange at the same time. Meanwhile, cerebrospinal fluid is also a key factor for maintaining intracranial pressure, so that cerebrospinal fluid examination is used for diagnosing diseases such as inflammation and tumor of the central nervous system, and even lumbar puncture injection drug treatment can be carried out.
At present, the lumbar puncture is used for determining whether leukemia infiltrates the central nervous system clinically and preventing and treating the leukemia of the central nervous system. The puncture part is 3-4 lumbar vertebra space, and generally 2-3ml of cerebrospinal fluid is taken, and then 2-3ml of medicine is injected. In the lumbar puncture process, after the puncture needle meets a breakthrough feeling, the needle core is pulled out, the cerebrospinal fluid receiving device is connected with the tail part of the needle body, the cerebrospinal fluid flows out from the tail part of the needle body, after the required amount of the cerebrospinal fluid is taken, the cerebrospinal fluid receiving device is taken down, the device filled with the medicine is connected to the tail part of the needle body, and the medicine conveying is completed.
In the above process, although doctors have strict sterilization measures, when the needle core is pulled out, the cerebrospinal fluid receiving device is connected to the tail part of the needle body, and the device filled with medicine is replaced to the tail part of the needle body, bacteria are easily infected, and further, adverse effects are generated on patients. Moreover, the process has various steps and complex operation, and the risk of occurrence of disease symptoms in the operation of the patient is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lumbar puncture needle, solving the problems existing in the prior art.
The utility model discloses a lumbar puncture needle, comprising a needle body, first connecting head, first intercommunication portion, the second intercommunication portion, first only flow portion and second only flow portion, the front end of needle body has the needle point, be equipped with the intercommunicating pore in the needle body, the intercommunicating pore link up the axial of needle body, the fixed first connecting head that sets up in rear end of needle body, first intercommunication portion of fixed connection and second intercommunication portion on the first connecting head, first intercommunication portion and second intercommunication portion communicate with each other with the intercommunicating pore, first intercommunication portion and second intercommunication portion are the hose, the one end that first connecting head was kept away from to first intercommunication portion and second intercommunication portion all is equipped with the second connector, first only flow portion sets up in first intercommunication portion, second only flow portion sets up on the second intercommunication portion, be equipped with the needle core in the intercommunicating pore, the one end of keeping away from the needle point of intercommunicating pore is equipped with the cover cap, the cover cap is sealed intercommunicating pore.
In some embodiments, the first connector comprises a main tube, a first branch tube and a second branch tube, the main tube is sleeved at the rear end of the needle body, the first branch tube and the second branch tube are communicated with the main tube, the first communicating portion is connected with the first branch tube, and the second communicating portion is connected with the second branch tube.
In some embodiments, the main pipe is in a T-shaped connection with the first branch pipe and the second branch pipe.
In some embodiments, the main pipe is Y-connected to the first branch pipe and the second branch pipe.
In some embodiments, the first flow stop portion is a check nip or a check valve.
In some embodiments, the first flow stop portion is a check nip or a check valve.
The utility model provides a lumbar puncture needle's beneficial effect lies in:
1. the utility model provides a lumbar puncture needle which has simple structure, reduces operation steps, reduces the risk of bacterial infection and reduces the risk of patients in operation;
2. the utility model can reduce the risk of bacterial infection by arranging the straight-through intercommunicating pore in the needle body without additionally pulling out the pintle after the lumbar dressing is finished; furthermore, one of the first communicating part and the second communicating part is used for extracting cerebrospinal fluid, and the other one is used for injecting medicines, so that the operation steps are simpler and more convenient, and the risks of patients in the operation are reduced.
Drawings
Fig. 1 is a schematic structural view of a lumbar puncture needle according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a lumbar puncture needle according to an embodiment of the present invention;
fig. 3 is a schematic structural view of another embodiment of a lumbar puncture needle according to an embodiment of the present invention.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functional, method, or structural equivalents and substitutions made by these embodiments are within the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.
As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a lumbar puncture needle, including needle body 1, first connecting head 2, first communicating part 3, second communicating part 4, first only flow portion 5 and second only flow portion 6, the front end of needle body 1 has needle point 11, be equipped with intercommunicating pore 12 in the needle body 1, intercommunicating pore 12 link up the axial of needle body 1, the fixed first connecting head 2 that sets up in rear end of needle body 1, first communicating part 3 of fixed connection and second communicating part 4 on the first connecting head 2, first communicating part 3 and second communicating part 4 communicate with each other with intercommunicating pore 12, first only flow portion 5 sets up on first communicating part 3, second only flow portion 6 sets up on second communicating part 4, be equipped with the needle core 8 in the intercommunicating pore 12, the one end of keeping away from needle point 11 of intercommunicating pore 12 is equipped with a cover cap 9, cover cap 9 seals intercommunicating pore 12. The straight-through communication hole 12 is arranged in the needle body 1, so that the operation of pulling out a pintle is not needed after the lumbar dressing is finished, and the risk of bacterial infection can be reduced; further through first intercommunication portion 3 and second intercommunication portion 4 one be responsible for drawing the cerebrospinal fluid, the other is responsible for injecting the medicine, and the operating procedure is simpler and more convenient, reduces the risk in patient's art.
The first connecting head 2 comprises a main pipe 21, a first branch pipe 22 and a second branch pipe 23, the main pipe 21 is sleeved at the rear end of the needle body 1, the first branch pipe 22 and the second branch pipe 23 are communicated with the main pipe 21, the first communicating part 3 is connected with the first branch pipe 22, and the second communicating part 4 is connected with the second branch pipe 23. The rear end of the needle body 1 is connected through the main tube 21, and then the first branch tube 22 and the second branch tube 23 are respectively communicated with the first communicating part 3 and the second communicating part 4, so that cerebrospinal fluid can be conveniently extracted and medicine can be conveniently injected.
The main pipe 21 is connected to the first branch pipe 22 and the second branch pipe 23 in a T-shape. The main tube 21 extends out of the rear end of the needle body 1, and the first branch tube 22 and the second branch tube 23 are both perpendicular to the main tube 21. Or the main tube 21 extends out of the rear end of the needle body 1, the first branch tube 22 is in line with the main tube 21, and the second branch tube 23 is perpendicular to the main tube 21 and the first branch tube 22. By means of the arrangement, different operations from two directions are facilitated, and the operation is more convenient and faster.
The main pipe 21 is Y-connected to the first branch pipe 22 and the second branch pipe 23. The main tube 21 extends out of the rear end of the needle body 1, and the first branch tube 22 and the second branch tube 23 form an included angle of 60 degrees with the main tube 21. By means of the arrangement, different operations from two directions are facilitated, and the operation is more convenient and faster.
The first flow stop portion 5 is a flow stop clip or a flow stop valve. The first flow stop part 5 is used to open when cerebrospinal fluid needs to be extracted or medicine needs to be injected, and is closed in other cases.
The first flow stop portion 5 is a flow stop clip or a flow stop valve. The second flow stopping part 6 is used to be opened when cerebrospinal fluid needs to be extracted or medicine needs to be injected, and is closed in other cases.
The first communicating part 3 and the second communicating part 4 are hoses, and the ends, far away from the first connector 2, of the first communicating part 3 and the second communicating part 4 are both provided with second connectors 7. So as to be connected with a needle tube to extract cerebrospinal fluid or inject medicine.
When the puncture needle is used specifically, after the puncture of the needle body 1 is completed, the sleeve cap 9 is opened, the needle core 8 is pulled out, the sleeve cap 9 is used for sealing the communicating hole 12, the first communicating part 3 is connected with the needle tube, the first flow stopping part 5 is opened, cerebrospinal fluid is extracted, and the first flow stopping part 5 is closed after the extraction is completed; the second communicating part 4 is connected with a needle tube, the second flow stopping part 6 is opened, the medicine is injected, and the second flow stopping part 6 is closed after the injection is finished; finally, the needle body 1 is pulled out for binding.
Of course, the first and second flow stoppers 5 and 6 may be provided in the first and second branch pipes 22 and 23, and the above-described functions may be achieved.
In a specific using process, the second connector 7 can be divided into a negative pressure connector and a needle tube connector 71, wherein the negative pressure connector is used for extracting cerebrospinal fluid, the needle tube connector 71 is used for connecting a needle tube to inject medicine, the arrangement is convenient for distinguishing respective functions, and the second connector 7 can be arranged into a universal connector for both liquid extraction and injection.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept, and these should also be considered as within the protection scope of the present invention.
Claims (6)
1. A lumbar puncture needle is characterized by comprising a needle body, a first connecting part, a first communicating part, a second communicating part, a first flow stopping part and a second flow stopping part, wherein the front end of the needle body is provided with a needle point, a communicating hole is arranged in the needle body and runs through the axial direction of the needle body, the rear end of the needle body is fixedly provided with the first connecting part, the first connecting part and the second connecting part are fixedly connected onto the first connecting part, the first communicating part and the second communicating part are communicated with the communicating hole, the first communicating part and the second communicating part are hoses, one ends of the first communicating part and the second communicating part, which are far away from the first connecting part, are respectively provided with the second connecting head, the first flow stopping part is arranged on the first communicating part, the second flow stopping part is arranged on the second communicating part, a needle core is arranged in the communicating hole, one end of the communicating hole, which is far away from the needle point, is provided with a sleeve cap, the sleeve cap seals the communication hole.
2. The lumbar puncture needle according to claim 1, wherein the first connector comprises a main tube, a first branch tube and a second branch tube, the main tube is sleeved on the rear end of the needle body, the first branch tube and the second branch tube are communicated with the main tube, the first communicating portion is connected with the first branch tube, and the second communicating portion is connected with the second branch tube.
3. A lumbar puncture needle according to claim 2, wherein the main tube is T-shaped to connect the first branch tube and the second branch tube.
4. A lumbar puncture needle according to claim 2, wherein the main tube is Y-shaped to connect the first branch tube and the second branch tube.
5. A lumbar puncture needle according to any of claims 1-4, wherein said first flow stop portion is a check clip or a check valve.
6. A lumbar puncture needle according to any of claims 1-4, wherein said first flow stop portion is a check clip or a check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367749.5U CN215129066U (en) | 2021-02-09 | 2021-02-09 | Lumbar puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120367749.5U CN215129066U (en) | 2021-02-09 | 2021-02-09 | Lumbar puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215129066U true CN215129066U (en) | 2021-12-14 |
Family
ID=79411145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120367749.5U Expired - Fee Related CN215129066U (en) | 2021-02-09 | 2021-02-09 | Lumbar puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215129066U (en) |
-
2021
- 2021-02-09 CN CN202120367749.5U patent/CN215129066U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |