CN219940751U - Improved lumbar puncture needle for newborn - Google Patents
Improved lumbar puncture needle for newborn Download PDFInfo
- Publication number
- CN219940751U CN219940751U CN202321425658.8U CN202321425658U CN219940751U CN 219940751 U CN219940751 U CN 219940751U CN 202321425658 U CN202321425658 U CN 202321425658U CN 219940751 U CN219940751 U CN 219940751U
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- CN
- China
- Prior art keywords
- needle
- connecting sleeve
- valve
- lumbar puncture
- wall
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- 238000009593 lumbar puncture Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 239000003814 drug Substances 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 229940079593 drug Drugs 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 201000009906 Meningitis Diseases 0.000 description 1
- 208000037129 Newborn Diseases Infant Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 206010014599 encephalitis Diseases 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000007913 intrathecal administration Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000004003 subcutaneous fat Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to an improved neonatal lumbar puncture needle which comprises a needle cylinder and a needle core, wherein a connecting sleeve is arranged at the tail end of the needle core, one end of the connecting sleeve, which is far away from the needle core, is arranged at the output end of the needle cylinder, the needle cylinder is used for injecting medicines, an exhaust port and a liquid outlet are arranged on the connecting sleeve, the liquid outlet is used for conducting drainage, a detection component is arranged at the exhaust port, a valve component is arranged on the connecting sleeve, and the valve component is used for intercepting air and liquid in the needle core and the connecting sleeve. According to the utility model, the connecting sleeve is arranged, the needle core is communicated with the needle cylinder through the connecting sleeve, the needle cylinder is used for injecting medicines, and drainage is performed through the liquid outlet, so that drainage and medicine injection through the same lumbar puncture needle are realized.
Description
Technical Field
The utility model relates to the technical field of lumbar puncture needles, in particular to an improved neonatal lumbar puncture needle.
Background
The lumbar puncture is a common invasive operation in diagnosis and treatment of neonatal diseases, is an important examination method for diagnosing encephalitis, meningitis and other diseases, and is a common method for cerebrospinal fluid drainage and intrathecal injection of medicines.
Many neonate centers in China select 2ml syringe needles or 7 # intravenous infusion needles to carry out the lumbar puncture of the neonate, and the existing puncture needle is single in structure, and in actual use, drainage and injection cannot be simultaneously met, the constitution of the neonate is weaker, the lumbar puncture needle is replaced, and the damage to the neonate is larger.
Disclosure of Invention
The utility model provides an improved neonatal lumbar puncture needle, which solves the technical problem that the lumbar puncture needle in the prior art cannot simultaneously meet drainage and injection.
The scheme for solving the technical problems is as follows: the needle comprises a needle cylinder and a needle core, wherein a connecting sleeve is arranged at the tail end of the needle core, one end of the connecting sleeve, which is far away from the needle core, is arranged at the output end of the needle cylinder, and the needle cylinder is used for carrying out medicine injection;
the connecting sleeve is provided with an exhaust port and a liquid outlet, the liquid outlet is used for drainage, and the exhaust port is provided with a detection assembly;
the connecting sleeve is provided with a valve component which is used for cutting off air and liquid in the needle core and the connecting sleeve.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the detection component comprises a pressure gauge, the output end of the exhaust port is provided with an exhaust valve, the pressure gauge is fixed on the outer wall of the exhaust valve, and the input end of the pressure gauge is communicated with the inside of the exhaust valve through a pipeline.
Further, the valve assembly comprises a valve, the valve is rotationally connected with the inner wall of the connecting sleeve, the outer wall of the connecting sleeve is fixedly connected with a mounting opening, the inner wall of the mounting opening is rotationally connected with a rotating rod, and one end of the rotating rod penetrates through the mounting opening and is fixedly connected with the valve.
Further, the valve assembly further comprises a fixed sleeve, and the outer wall of the rotating rod is connected with the fixed sleeve through threads.
Further, the outer wall of the needle core is provided with a plurality of pinholes, and the pinholes are arranged at the needle point of the needle core.
Further, the outer wall of the needle cylinder is provided with scale marks.
Further, a liquid injection port is arranged on the connecting sleeve.
The beneficial effects of the utility model are as follows: the utility model provides an improved neonatal lumbar puncture needle, which has the following advantages:
1. according to the utility model, the connecting sleeve is arranged, the needle core is communicated with the needle cylinder through the connecting sleeve, the needle cylinder is used for injecting medicines, and drainage is carried out through the liquid outlet, so that drainage and medicine injection through the same lumbar puncture needle are realized;
2. according to the utility model, the detection assembly is arranged, so that the pressure in the needle core needs to be detected when drainage is performed, and the pressure in the needle core and the pressure in the connecting sleeve can be detected in real time through the detection assembly, so that the safety is greatly improved.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view showing the general structure of an improved lumbar puncture needle for neonates according to the present utility model;
FIG. 2 is an enlarged schematic view of the portion A of an improved lumbar puncture needle for neonates according to the present utility model;
fig. 3 is a schematic view showing the valve structure of an improved lumbar puncture needle for neonates according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a needle core; 2. connecting sleeves; 3. a needle cylinder; 4. scale marks; 5. a pinhole; 6. a valve; 7. an exhaust port; 8. an exhaust valve; 9. a pressure gauge; 10. a mounting port; 11. a rotating lever; 12. a fixed sleeve; 13. a liquid injection port; 14. and a liquid outlet.
Detailed Description
The principles and features of the present utility model are described below with reference to fig. 1-3, the examples being provided for illustration only and not for limitation of the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-3, the utility model provides an improved neonatal lumbar puncture needle, which comprises a needle cylinder 3 and a needle core 1, wherein a connecting sleeve 2 is arranged at the tail end of the needle core 1, one end of the connecting sleeve 2, which is far away from the needle core 1, is arranged at the output end of the needle cylinder 3 (the needle core 1 is movably connected with the connecting sleeve 2, the connecting sleeve 2 is movably connected with the needle cylinder 3, and the connecting sleeve 2 and the needle cylinder 3 can be pulled out), and graduation marks 4 are arranged on the outer wall of the needle cylinder 3;
the length of the needle core 1 is four centimeters (the subcutaneous fat of a neonate is less, the seventh needle head is overlong compared with the neonate), the outer wall of the needle core 1 is provided with a plurality of needle holes 5, and the needle holes 5 are arranged at the needle tip of the needle core 1, compared with the traditional needle core 1 (the needle holes 5 are arranged at the needle heads), the needle core is not easy to cause the external band of the tissue in the vertebral canal;
at the time of drug injection, the needle core 1, the adapter sleeve 2 and the cylinder 3 (the drug has been inhaled into the cylinder 3) are assembled, the needle core 1 is inserted into the corresponding position, and the drug is injected into the neonate.
An exhaust port 7 is arranged on the connecting sleeve 2, a detection component is arranged on the exhaust port 7, a valve component is arranged on the connecting sleeve 2, and the valve component is arranged at a position close to the needle core 1;
the detection assembly comprises a pressure gauge 9, an exhaust valve 8 is arranged at the output end of the exhaust port 7, the pressure gauge 9 is fixed on the outer wall of the exhaust valve 8, and the input end of the pressure gauge 9 is communicated with the inside of the exhaust valve 8 through a pipeline;
the valve assembly comprises a valve 6, the valve 6 is rotationally connected with the inner wall of the connecting sleeve 2, the outer wall of the connecting sleeve 2 is fixedly connected with a mounting opening 10, the inner wall of the mounting opening 10 is rotationally connected with a rotating rod 11, one end of the rotating rod 11 penetrates through the mounting opening 10 to be fixedly connected with the valve 6, and the outer wall of the rotating rod 11 is connected with a fixing sleeve 12 through threads;
when the valve assembly needs to be opened: the fixed sleeve 12 is loosened, the rotating rod 11 is rotated, the valve 6 can be opened, and after the valve 6 is opened, the fixed sleeve 12 is screwed again.
When a drug injection is performed: the valve 6 is opened, the pressure generated during injection is detected in real time through the detection assembly, and the exhaust valve 8 is opened when the pressure is excessive.
When the medicine needs to be added, the liquid injection port 13 is arranged on the connecting sleeve 2, the liquid discharge port 14 is sealed, the liquid injection port 13 is externally connected with other needle cylinders 3 filled with the medicine liquid, and the injection is carried out through the needle cylinders 3 (the exhaust valve 8 is opened when the same pressure is overlarge).
When drainage is performed (biological liquid of a human body is led out for assay detection), the valve 6 is in an open state, the pressure in the needle core 1 is detected through the pressure gauge 9, when the pressure is overlarge, the exhaust valve 8 is opened, the opening and closing of the exhaust valve 8 are adjusted according to the numerical value on the pressure gauge 9, and corresponding liquid is discharged from the liquid outlet 14 through pressure difference;
when the position of the needle core 1 needs to be fixed, the connecting sleeve 2 and the needle cylinder 3 can be taken down (the quality is reduced, the position is convenient to fix), one end of the needle core 1 outside is sealed, and the needle core is fixed through an adhesive tape.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution made to the above embodiments according to the essential technology of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (7)
1. An improved neonatal lumbar puncture needle comprises a needle cylinder (3) and a needle core (1), and is characterized in that a connecting sleeve (2) is arranged at the tail end of the needle core (1), one end of the connecting sleeve (2) away from the needle core (1) is arranged at the output end of the needle cylinder (3), and the needle cylinder (3) is used for carrying out medicine injection;
an exhaust port (7) and a liquid outlet (14) are arranged on the connecting sleeve (2), the liquid outlet (14) is used for conducting drainage, and a detection assembly is arranged on the exhaust port (7);
the connecting sleeve (2) is provided with a valve component which is used for cutting off air and liquid in the needle core (1) and the connecting sleeve (2).
2. The improved lumbar puncture needle for newborns according to claim 1, wherein the detection assembly comprises a pressure gauge (9), the output end of the exhaust port (7) is provided with an exhaust valve (8), the pressure gauge (9) is fixed on the outer wall of the exhaust valve (8), and the input end of the pressure gauge (9) is communicated with the inside of the exhaust valve (8) through a pipeline.
3. The improved lumbar puncture needle for newborns according to claim 1, wherein the valve assembly comprises a valve (6), the valve (6) is rotationally connected with the inner wall of the connecting sleeve (2), the outer wall of the connecting sleeve (2) is fixedly connected with a mounting opening (10), the inner wall of the mounting opening (10) is rotationally connected with a rotating rod (11), and one end of the rotating rod (11) penetrates through the mounting opening (10) to be fixedly connected with the valve (6).
4. An improved lumbar puncture needle for newborns according to claim 3, wherein the valve assembly further comprises a fixing sleeve (12), and the outer wall of the rotating rod (11) is connected with the fixing sleeve (12) through threads.
5. The improved lumbar puncture needle for newborns according to claim 1, wherein the outer wall of the needle core (1) is provided with a plurality of needle holes (5), and the needle holes (5) are arranged at the needle tip of the needle core (1).
6. The improved lumbar puncture needle for newborns according to claim 5, wherein the outer wall of the needle cylinder (3) is provided with graduation marks (4).
7. The improved lumbar puncture needle for newborns according to claim 6, wherein the connecting sleeve (2) is provided with a liquid injection port (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425658.8U CN219940751U (en) | 2023-06-06 | 2023-06-06 | Improved lumbar puncture needle for newborn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321425658.8U CN219940751U (en) | 2023-06-06 | 2023-06-06 | Improved lumbar puncture needle for newborn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219940751U true CN219940751U (en) | 2023-11-03 |
Family
ID=88555962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321425658.8U Active CN219940751U (en) | 2023-06-06 | 2023-06-06 | Improved lumbar puncture needle for newborn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219940751U (en) |
-
2023
- 2023-06-06 CN CN202321425658.8U patent/CN219940751U/en active Active
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