CN215994161U - Quantitative cerebrospinal fluid puncture collecting device - Google Patents
Quantitative cerebrospinal fluid puncture collecting device Download PDFInfo
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- CN215994161U CN215994161U CN202120917206.6U CN202120917206U CN215994161U CN 215994161 U CN215994161 U CN 215994161U CN 202120917206 U CN202120917206 U CN 202120917206U CN 215994161 U CN215994161 U CN 215994161U
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- Prior art keywords
- cerebrospinal fluid
- puncture
- needle
- liquid outlet
- hose
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- 210000001175 cerebrospinal fluid Anatomy 0.000 title claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 239000003814 drug Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000012780 transparent material Substances 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 6
- 238000009593 lumbar puncture Methods 0.000 abstract description 6
- 206010052428 Wound Diseases 0.000 abstract description 5
- 241000894006 Bacteria Species 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 3
- 210000003169 central nervous system Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000004761 scalp Anatomy 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 210000002330 subarachnoid space Anatomy 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000005013 brain tissue Anatomy 0.000 description 1
- 230000004087 circulation Effects 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
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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Abstract
The utility model discloses a quantifiable cerebrospinal fluid puncture collecting device which is characterized by comprising: the device comprises a hose, a puncture needle, a liquid outlet needle head seat, a liquid outlet needle head, a puncture needle protective cap, a tee joint, a pressure gauge, a vacuum test tube and a cerebrospinal fluid collector; this cerebrospinal fluid puncture collection system flows out end, inspection test tube with pjncture needle, hose, cerebrospinal fluid and designs into a whole, and the pjncture needle can directly get into subarachnoid intracavity through lumbar puncture, and the cerebrospinal fluid can directly flow out through the pjncture needle, and the puncture wound is little, and the cerebrospinal fluid directly gets into the inspection test tube through the hose, avoids contacting with the air, prevents that the cerebrospinal fluid from carrying the bacterium.
Description
Technical Field
The utility model belongs to the field of medical instruments, and particularly relates to a quantifiable cerebrospinal fluid puncture collecting device.
Background
Cerebrospinal fluid is colorless transparent liquid existing in human ventricles of brain and subarachnoid cavity, is generally secreted by ventricles of brain at two sides, finally reaches subarachnoid cavity of brain through cerebrospinal fluid circulation, and then is absorbed into venous sinus to enter blood circulation; the total amount of cerebrospinal fluid in adult is 110ml-200ml, and the average amount is about 130 ml; adult secretes about 500ml-600ml cerebrospinal fluid every day, namely the cerebrospinal fluid of human is renewed 3-4 times every day;
the cerebrospinal fluid examination mainly comprises the steps of penetrating a puncture needle into a subarachnoid space from the lumbar part only by using a lumbar puncture needle, and then extracting cerebrospinal fluid for laboratory examination; through biochemical inspection of the cerebrospinal fluid, intracranial lesions can be judged, and because the infection, the tumor and the trauma of the central nervous system can cause the change of the characteristics and the components of the cerebrospinal fluid, a basis can be provided for the diagnosis and the treatment of the diseases of the central nervous system; in addition, the pressure of cerebrospinal fluid can be monitored to assist in judging brain tissue lesion;
the currently used cerebrospinal fluid puncturing device has the following disadvantages: 1. the existing lumbar puncture needle for collecting cerebrospinal fluid is divided into a needle core and an outer sheath, after the needle core and the outer sheath are punctured into a subarachnoid cavity of the lumbar vertebra, the needle core needs to be pulled out again to enable the cerebrospinal fluid to flow out of the outer sheath, the puncture point wound is large when the lumbar puncture needle is used for operating, and infection is easy to occur due to improper later-stage nursing; 2. the cerebrospinal fluid collecting lumbar puncture needle used at present flows out of the sheath, and then the examination test tube is used for collecting the cerebrospinal fluid from the tail end of the sheath, so that the cerebrospinal fluid can be contacted with the outside air in the process of dripping the cerebrospinal fluid into the examination test tube, and bacteria in the air are easily carried; 3. if a set of devices which comprise a puncture needle, a connecting hose and a test tube are connected, the devices are used for collecting cerebrospinal fluid, the cerebrospinal fluid can flow out of the puncture needle after the puncture needle directly enters the subarachnoid space through the lumbar vertebra and enters the test tube along the hose, the test tube is a vacuum tube, the device can play an auxiliary role in leading out the cerebrospinal fluid, and the cerebrospinal fluid collecting amount can be visually quantified through the test tube; 4. the cerebrospinal fluid collecting device used at present can not monitor the cerebrospinal fluid pressure at the same time.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model designs a quantifiable cerebrospinal fluid puncture collecting device, which designs a puncture needle, a hose, a cerebrospinal fluid outflow end and a test tube into a whole, wherein the puncture needle can directly enter a subarachnoid cavity through lumbar puncture, cerebrospinal fluid can directly flow out through the puncture needle, a puncture wound is small, and the cerebrospinal fluid directly enters the test tube through the hose, so that the cerebrospinal fluid is prevented from contacting with air and carrying bacteria;
in order to achieve the technical effects, the utility model is realized by the following technical scheme: a quantifiable cerebrospinal fluid puncture collection device, comprising: the device comprises a hose, a puncture needle, a liquid outlet needle head seat, a liquid outlet needle head, a puncture needle protective cap, a tee joint, a pressure gauge, a vacuum test tube and a cerebrospinal fluid collector;
the head end of the hose is detachably connected with the tail end of the puncture needle, the head end of the hose is fixedly connected with one end of a liquid outlet needle head seat, and the other end of the liquid outlet needle head seat is connected with a liquid outlet needle head; a puncture needle protective cap is detachably arranged on the puncture needle; a tee joint is connected to the hose close to the puncture needle, and a pressure gauge is integrally connected to the tee joint; the hose close to the liquid outlet needle head seat is connected with a cerebrospinal fluid collector; the liquid outlet needle head can be inserted into the vacuum inspection test tube;
furthermore, the puncture needle is connected with a needle wing near the tail end;
furthermore, a locking valve is connected to the hose between the three-way valve and the cerebrospinal fluid collector;
furthermore, the cerebrospinal fluid collector is marked with volume scales;
furthermore, the tip of the liquid outlet needle head is conical, and a plurality of liquid seepage holes are formed in the side wall of the liquid outlet needle head;
furthermore, the tube body of the vacuum test tube is made of transparent materials, and the surface of the tube body is marked with volume scales;
furthermore, a medicine injection port is formed in the tee joint;
the utility model has the beneficial effects that:
1. the device can lead out cerebrospinal fluid directly through the puncture needle, the wound of a puncture point is small, and the puncture needle is detachably connected with the hose, so that puncture needles with different types and sizes can be replaced conveniently;
2. the puncture needle, the hose, the liquid outlet needle head and the vacuum test tube for collecting cerebrospinal fluid are integrally designed, and the cerebrospinal fluid can be directly collected into the vacuum test tube through the hose after flowing out of the puncture needle, so that the contact with the outside air is prevented, and the pollution is avoided;
3. the device is provided with a tee joint, and the tee joint is provided with a pressure gauge which can monitor cerebrospinal pressure; the medicine can be injected through the medicine injection port on the tee.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of a quantitative cerebrospinal fluid puncture collection device;
FIG. 2 is a schematic view of a vacuum test tube of a quantifiable cerebrospinal fluid puncture collection device;
FIG. 3 is a schematic diagram of a puncture needle structure of a quantitative cerebrospinal fluid puncture collection device;
in the drawings, the components represented by the respective reference numerals are listed below:
1-hose, 101-locking valve, 2-puncture needle, 201-needle wing, 202-hose connector, 3-liquid outlet needle head seat, 4-liquid outlet needle head, 5-puncture needle protective cap, 6-tee joint, 601-medicine injection port, 7-pressure gauge, 8-vacuum test tube and 9-cerebrospinal fluid collector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 3, a quantifiable cerebrospinal fluid puncture collection device is characterized by comprising: the device comprises a hose 1, a puncture needle 2, a liquid outlet needle head seat 3, a liquid outlet needle head 4, a puncture needle protective cap 5, a tee joint 6, a pressure gauge 7, a vacuum inspection test tube 8 and a cerebrospinal fluid collector 9;
the head end of the hose 1 is detachably connected with the tail end of the puncture needle 2, the head end of the hose 1 is fixedly connected with one end of a liquid outlet needle head seat 3, and the other end of the liquid outlet needle head seat 3 is connected with a liquid outlet needle head 4; a puncture needle protective cap 5 is detachably arranged on the puncture needle 2; the hose 1 close to the puncture needle 2 is connected with a tee joint 6, and the tee joint 6 is integrally connected with a pressure gauge 7; the hose 1 close to the liquid outlet needle head seat 3 is connected with a cerebrospinal fluid collector 9; the liquid outlet needle 4 can be inserted into the vacuum test tube 8;
the puncture needle 2 is connected with a needle wing 201 near the tail end; the type 2 of the puncture needle can be designed according to the type of a scalp needle;
a locking valve 101 is connected on the hose 1 between the three-way valve 6 and the cerebrospinal fluid collector 9;
the cerebrospinal fluid collector 9 is marked with volume scales;
the tip of the liquid outlet needle head 4 is conical, and a plurality of liquid seepage holes are formed in the side wall;
the tube body of the vacuum test tube 8 is made of transparent materials, and the surface of the tube body is marked with volume scales;
the tee joint 6 is provided with a medicine injection port 601.
The locking valve 101 is opened, the puncture needle 2 punctures into the subarachnoid cavity, the cerebrospinal fluid is collected into the vacuum test tube 8 from the puncture needle 2 along the hose 1 through the tee joint 6, the cerebrospinal fluid collector 9 and the liquid outlet needle head 4, and the locking valve 101 is closed when the collection amount reaches the standard.
Example 2
Referring to fig. 1 to 3, a quantifiable cerebrospinal fluid puncture collection device is characterized by comprising: the device comprises a hose 1, a puncture needle 2, a liquid outlet needle head seat 3, a liquid outlet needle head 4, a puncture needle protective cap 5, a tee joint 6, a pressure gauge 7, a vacuum inspection test tube 8 and a cerebrospinal fluid collector 9;
the head end of the hose 1 is detachably connected with the tail end of the puncture needle 2, the head end of the hose 1 is fixedly connected with one end of a liquid outlet needle head seat 3, and the other end of the liquid outlet needle head seat 3 is connected with a liquid outlet needle head 4; a puncture needle protective cap 5 is detachably arranged on the puncture needle 2; the hose 1 close to the puncture needle 2 is connected with a tee joint 6, and the tee joint 6 is integrally connected with a pressure gauge 7; the hose 1 close to the liquid outlet needle head seat 3 is connected with a cerebrospinal fluid collector 9; the liquid outlet needle 4 can be inserted into the vacuum test tube 8;
the puncture needle 2 is connected with a needle wing 201 near the tail end; the type 2 of the puncture needle can be designed according to the type of a scalp needle;
a locking valve 101 is connected on the hose 1 between the three-way valve 6 and the cerebrospinal fluid collector 9;
the cerebrospinal fluid collector 9 is marked with volume scales;
the tip of the liquid outlet needle head 4 is conical, and a plurality of liquid seepage holes are formed in the side wall;
the tube body of the vacuum test tube 8 is made of transparent materials, and the surface of the tube body is marked with volume scales;
the tee joint 6 is provided with a medicine injection port 601.
And (3) closing the locking valve 101, enabling the puncture needle 2 to puncture into the subarachnoid cavity, enabling the cerebrospinal fluid to flow along the hose 1 from the puncture needle 2 and pass through the tee joint 6, and displaying the pressure of the cerebrospinal fluid by a pressure gauge 7 on the tee joint 6.
In conclusion, 1, the device can lead out cerebrospinal fluid directly through the puncture needle, the wound of a puncture point is small, and the puncture needle is detachably connected with the hose, so that puncture needles with different types and sizes can be replaced conveniently;
2. the puncture needle, the hose, the liquid outlet needle head and the vacuum test tube for collecting cerebrospinal fluid are integrally designed, and the cerebrospinal fluid can be directly collected into the vacuum test tube through the hose after flowing out of the puncture needle, so that the contact with the outside air is prevented, and the pollution is avoided;
3. the device is provided with a tee joint, and the tee joint is provided with a pressure gauge which can monitor cerebrospinal pressure; the medicine can be injected through the medicine injection port on the tee.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A quantifiable cerebrospinal fluid puncture collection device, comprising: the device comprises a hose, a puncture needle, a liquid outlet needle head seat, a liquid outlet needle head, a puncture needle protective cap, a tee joint, a pressure gauge, a vacuum test tube and a cerebrospinal fluid collector;
the head end of the hose is detachably connected with the tail end of the puncture needle, the head end of the hose is fixedly connected with one end of a liquid outlet needle head seat, and the other end of the liquid outlet needle head seat is connected with a liquid outlet needle head; a puncture needle protective cap is detachably arranged on the puncture needle; a tee joint is connected to the hose close to the puncture needle, and a pressure gauge is integrally connected to the tee joint; the hose close to the liquid outlet needle head seat is connected with a cerebrospinal fluid collector; the liquid outlet needle can be inserted into the vacuum test tube.
2. The device as claimed in claim 1, wherein the needle is connected to the needle wing near the end of the puncture needle.
3. The device as claimed in claim 1, wherein a latching valve is connected to the flexible tube between the three-way tube and the cerebrospinal fluid collector.
4. The device for quantitative puncture collection of cerebrospinal fluid according to claim 1, wherein said cerebrospinal fluid collector is marked with volume scales.
5. The quantitative cerebrospinal fluid puncture collection device as claimed in claim 1, wherein the outlet needle has a conical tip and a plurality of weep holes on a sidewall thereof.
6. The quantitative cerebrospinal fluid puncture collection device according to claim 1, wherein the tube body of the vacuum test tube is made of a transparent material, and the surface of the tube body is marked with volume scales.
7. The device as claimed in claim 1, wherein the three-way tube is provided with a drug injection port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917206.6U CN215994161U (en) | 2021-04-29 | 2021-04-29 | Quantitative cerebrospinal fluid puncture collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917206.6U CN215994161U (en) | 2021-04-29 | 2021-04-29 | Quantitative cerebrospinal fluid puncture collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215994161U true CN215994161U (en) | 2022-03-11 |
Family
ID=80581938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120917206.6U Expired - Fee Related CN215994161U (en) | 2021-04-29 | 2021-04-29 | Quantitative cerebrospinal fluid puncture collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215994161U (en) |
-
2021
- 2021-04-29 CN CN202120917206.6U patent/CN215994161U/en not_active Expired - Fee Related
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| 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: 20220311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |