CN215458490U - Novel lumbar puncture needle - Google Patents
Novel lumbar puncture needle Download PDFInfo
- Publication number
- CN215458490U CN215458490U CN202122066628.XU CN202122066628U CN215458490U CN 215458490 U CN215458490 U CN 215458490U CN 202122066628 U CN202122066628 U CN 202122066628U CN 215458490 U CN215458490 U CN 215458490U
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- CN
- China
- Prior art keywords
- puncture needle
- handle
- collection
- lumbar puncture
- bottle
- 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 20
- 230000001681 protective effect Effects 0.000 claims description 28
- 239000013013 elastic material Substances 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 6
- 210000001175 cerebrospinal fluid Anatomy 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 5
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 208000002403 Encephalocele Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010022773 Intracranial pressure increased Diseases 0.000 description 1
- 206010023509 Kyphosis Diseases 0.000 description 1
- 208000012902 Nervous system disease Diseases 0.000 description 1
- 208000029033 Spinal Cord disease Diseases 0.000 description 1
- 206010041549 Spinal cord compression Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 208000015114 central nervous system disease Diseases 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 208000027866 inflammatory disease Diseases 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 201000009941 intracranial hypertension Diseases 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000005541 medical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009605 pneumoencephalography Methods 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a novel lumbar puncture needle which comprises a puncture needle, a holding structure and a collecting structure for collecting samples, wherein the holding structure is arranged on the puncture needle; a protection structure for preventing the hands of the operator from being stabbed is arranged; the protection structure is arranged on the outer side of the puncture needle and is connected with the holding structure; one side of the holding structure is respectively connected with the protection structure and the puncture needle, and the other end of the holding structure is connected with the collection structure. The utility model has the beneficial effects that: (1) the protection structure is arranged, so that the user is prevented from being stabbed, and the safety is improved; (2) the collecting structure is connected with the puncture needle, and cerebrospinal fluid of a patient is not exposed in the sample collecting process, so that sample pollution is avoided, and the infection risk of the patient is reduced.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a novel lumbar puncture needle.
Background
Lumbar puncture is a commonly used clinical operation. Can be used for diagnosing various inflammatory diseases of central nervous system, vascular diseases, spinal cord diseases, intracranial space occupying diseases, nervous system diseases with unknown diagnosis, pneumoencephalography, spinal canal angiography, etc.; it is also used for treating central nervous system diseases by discharging (reducing) and infusing medicine due to high cerebrospinal fluid pressure.
The operation method is that the patient bends on the bed lying on the side, and holds the knees with both hands, so that the lumbar kyphosis and the intervertebral space are widened. And (5) performing local conventional disinfection, and puncturing after infiltration anesthesia. Resistance exists when the needle is generally inserted into the needle for 4-5 cm, the resistance is suddenly reduced, then the needle core is pulled out, and cerebrospinal fluid can drip out when the needle tail is rotated. The cerebrospinal fluid is discharged and taken according to different purposes and specific conditions. Then the needle core is inserted, the puncture needle is pulled out, the puncture needle is fixed by a sterilized gauze piece, and the pillow is removed and the patient lies for 4 to 6 hours.
Before lumbar puncture, if local skin, soft tissue and bone are inflamed, puncture cannot be performed; the puncture can not be performed by a patient with obvious intracranial pressure increase and cerebral hernia signs; patients in shock or endangered shock cannot puncture the puncture needle; the spinal cord compression symptom disease exists, and the spinal cord function is completely disappeared in the critical state, so that puncture cannot be performed. Preventing headache, cerebral hernia and infection after puncture.
Because the puncture needle head is thicker and longer, the puncture needle head is easy to be punctured by operators, and when a sample is taken, the sample bottle is directly connected with the outflowing cerebrospinal fluid below the needle head, so that the risks of disease transmission and infection are increased.
Aiming at the problems, the utility model provides a novel lumbar puncture needle.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the background art, the utility model provides a novel lumbar puncture needle.
A novel lumbar puncture needle comprises a puncture needle, a holding structure and a collecting structure for collecting samples; a protection structure for preventing hands of a user from being stabbed is arranged; the protection structure is arranged on the outer side of the puncture needle and is connected with the holding structure; one side of the holding structure is respectively connected with the protection structure and the puncture needle, and the other end of the holding structure is connected with the collection structure.
Further, the protection structure comprises a top plate, a protection sleeve and a connecting rod.
Further, the top piece and the protective sleeve are both made of colorless transparent elastic materials; the connecting rod is made of elastic materials.
Further, the top sheet is a regular sheet structure with a central opening; the protective sleeve is of a circular cylindrical structure; the connecting rod is of a rectangular columnar structure.
Furthermore, one end of the protective sleeve is integrally connected with the top plate, and the other end of the protective sleeve is integrally connected with the connecting rod; one end of the connecting rod is integrally connected with the protective sleeve, and the other end of the connecting rod is integrally connected with the holding structure; the puncture needle is wrapped in the protective sleeve; the protective sleeve freely slides outside the puncture needle; during operation, an operator holds the protective sleeve with one hand and holds the holding structure with the other hand, the top plate is attached to the skin of a patient at a proper puncture position, the holding structure is pushed, the connecting rod is bent, and the puncture needle is punctured into the skin of the patient and then into the lumbar.
Furthermore, the puncture needle is a single-tip needle head, is arranged in the protective sleeve and is fixedly connected with the holding structure.
Further, the gripping structure includes a piercing handle.
Alternatively, the gripping structure comprises a screw handle.
Further, the puncture handle is of a regular sheet structure, a first through hole is formed in the center of the puncture handle, and a jacket used for being connected with the collecting structure is arranged on the side opposite to the puncture needle.
Furthermore, one side of the puncture handle is respectively fixedly connected with the protection structure and the puncture needle, and the other side of the puncture handle is connected with the collection structure; a first through hole in the center of the puncture handle and the interior of the puncture needle form a passage, and a required path is set for cerebrospinal fluid of a patient to flow out.
Furthermore, the spiral handle is of a round barrel-shaped structure, a through hole II is formed in the center of the spiral handle, and internal threads are formed inside the spiral handle.
Furthermore, one side of the spiral handle is respectively fixedly connected with the protection structure and the puncture needle, and the other side of the spiral handle is connected with the collection structure; a second through hole in the center of the spiral handle and the inside of the puncture needle form a passage, and a required path is set for cerebrospinal fluid of a patient to flow out.
Further, the collection structure includes a conduit and a storage bottle.
Alternatively, the collection structure comprises a collection bottle.
Further, the conduit is a circular tubular structure; the storage bottle is a circular bottle body, and an anti-slip ring for preventing the guide pipe from falling off is arranged on the outer side of the bottle mouth; the anti-skid ring is of a circular annular structure; the storage bottle is made of transparent materials.
Furthermore, one end of the conduit is inserted into the conduit frame, and the other end of the conduit is inserted into the storage bottle; the catheter forms a passage with the inside of the puncture needle through a first through hole in the center of the puncture handle, and leads the cerebrospinal fluid flowing out of the patient into the collecting bottle.
Further, the collecting bottle is a circular bottle body, and external threads are arranged on the outer portion of the bottle mouth; the collecting bottle is made of transparent materials; the collecting bottle is in threaded connection with the spiral handle.
The utility model has the beneficial effects that: (1) the protection structure is arranged, so that the user is prevented from being stabbed, and the safety is improved; (2) the collecting structure is connected with the puncture needle, and cerebrospinal fluid of a patient is not exposed in the sample collecting process, so that sample pollution is avoided, and the infection risk of the patient is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the shroud structure of the present invention;
FIG. 3 is a cross-sectional view of the shield structure of the present invention;
FIG. 4 is a schematic view of a storage bottle of the present invention;
FIG. 5 is an overall view of embodiment 3 of the present invention;
FIG. 6 is a sectional view of a shield structure in embodiment 3 of the present invention;
FIG. 7 is a cross-sectional view of a collection bottle of example 3 of the present invention;
in the figure, 1, a protection structure; 2. puncturing needle; 3. a puncture handle; 31. a jacket; 4. a conduit; 5. a storage bottle; 51. a seal ring; 6. a screw handle; 7. and (6) collecting the bottle.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below by specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. The present invention can be implemented or applied by other different specific embodiments, and the features in the following embodiments and embodiments can be combined with each other without conflict, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the novel lumbar puncture needle of the present embodiment comprises a puncture needle 2, a holding structure and a collecting structure for collecting a sample; a protection structure 1 for preventing the hands of the operator from being stabbed is arranged; the protection structure 1 is arranged on the outer side of the puncture needle 2 and is connected with the holding structure; one side of the holding structure is connected with the protection structure 1 and the puncture needle 2, and the other end is connected with the collection structure.
The protection structure 1 comprises a top plate, a protection sleeve and a connecting rod.
One end of the protective sleeve is integrally connected with the top plate, and the other end of the protective sleeve is integrally connected with the connecting rod; one end of the connecting rod is integrally connected with the protective sleeve, and the other end of the connecting rod is integrally connected with the holding structure; the puncture needle 2 is wrapped in the protective sleeve; the protective sleeve freely slides outside the puncture needle 2; during operation, an operator holds the protective sleeve with one hand and holds the holding structure with the other hand, the top plate is attached to the skin of a patient at a proper puncture position, the holding structure is pushed, the connecting rod is bent, and the puncture needle 2 is punctured into the skin of the patient and then into the lumbar.
The gripping structure includes a piercing handle.
One side of the puncture handle is respectively fixedly connected with the protection structure 1 and the puncture needle 2, and the other side of the puncture handle is connected with the collection structure; a first through hole in the center of the puncture handle 3 and the interior of the puncture needle 2 form a passage, and a required path is set for cerebrospinal fluid of a patient to flow out.
The collecting structure comprises a conduit 4 and a storage bottle 5.
One end of the conduit 4 is inserted with the conduit frame 31, and the other end is inserted with the storage bottle 5; the catheter 4 forms a passage with the interior of the puncture needle 2 through a through hole I in the center of the puncture handle 3, and leads the cerebrospinal fluid flowing out of the patient into a collecting bottle 7.
Example 2
As shown in fig. 2 to 4, the following technical features are added to the embodiment 1:
the top sheet and the protective sleeve are both made of colorless transparent elastic materials; the connecting rod is made of elastic material. The top sheet is a regular sheet structure with an opening in the center; the protective sleeve is of a circular cylindrical structure; the connecting rod is in a rectangular columnar structure.
The puncture needle 2 is a single-point needle head, is arranged in the protective sleeve and is fixedly connected with the holding structure.
The piercing handle is of a regular sheet-like structure, with a first through hole in the central part and a jacket 31 for connection to the collecting structure on the side opposite to the piercing needle 2.
The conduit 4 is a circular tubular structure; the storage bottle 5 is a round bottle body, and the outer side of the bottle mouth is provided with an anti-slip ring for preventing the guide pipe 4 from falling off; the anti-skid ring is of a circular ring-shaped structure; the storage bottle 5 is made of transparent material.
The application method of the embodiment comprises the following steps:
1. during operation, an operator holds the protective sleeve with one hand and holds the holding structure with the other hand, the top plate is attached to the skin of a patient at a proper puncture position, the holding structure is pushed, the connecting rod is bent, and the puncture needle is punctured into the skin of the patient and then into the lumbar vertebra;
2. the cerebrospinal fluid of the patient enters a storage bottle through a puncture needle, a puncture handle and a catheter, and the puncture needle is pulled out after enough samples are collected to treat the wound of the patient;
3. after the storage vial is pulled out of the catheter, a sample is taken.
Example 3
As shown in fig. 5 to 7, the present embodiment is different from embodiment 2 in that:
the gripping structure comprises a screw handle 6. The spiral handle 6 is of a circular barrel-shaped structure, a through hole II is formed in the center of the spiral handle, and internal threads are formed inside the spiral handle. One side of the spiral handle 6 is respectively fixedly connected with the protection structure 1 and the puncture needle 2, and the other side is connected with the collection structure; a second through hole in the center of the spiral handle 6 and the inside of the puncture needle 2 form a passage, and a required path is set for the cerebrospinal fluid of the patient to flow out.
The collecting structure comprises a collecting bottle 7. The collecting bottle 7 is a round bottle body, and external threads are arranged on the outer part of the bottle mouth; the collecting bottle 7 is made of transparent material; the collecting bottle 7 is connected with the screw handle 6 by screw thread.
The application method of the embodiment comprises the following steps:
1. during operation, an operator holds the protective sleeve with one hand and holds the holding structure with the other hand, the top plate is attached to the skin of a patient at a proper puncture position, the holding structure is pushed, the connecting rod is bent, and the puncture needle is punctured into the skin of the patient and then into the lumbar vertebra;
2. the cerebrospinal fluid of the patient enters a collecting bottle through a puncture needle and a puncture handle, and the puncture needle is pulled out after enough samples are collected to treat the wound of the patient;
3. the collection vial is detached from the screw handle and the sample is taken.
The above description of the embodiments is only for the understanding of the present invention. It should be noted that modifications could be made to the utility model without departing from the principle of the utility model, which would also fall within the scope of the claims of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122066628.XU CN215458490U (en) | 2021-08-30 | 2021-08-30 | Novel lumbar puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122066628.XU CN215458490U (en) | 2021-08-30 | 2021-08-30 | Novel lumbar puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215458490U true CN215458490U (en) | 2022-01-11 |
Family
ID=79765927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122066628.XU Expired - Fee Related CN215458490U (en) | 2021-08-30 | 2021-08-30 | Novel lumbar puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215458490U (en) |
-
2021
- 2021-08-30 CN CN202122066628.XU patent/CN215458490U/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: 20220111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |