CN208640758U - A kind of neurology department's cerebrospinal fluid extraction device - Google Patents
A kind of neurology department's cerebrospinal fluid extraction device Download PDFInfo
- Publication number
- CN208640758U CN208640758U CN201721217966.6U CN201721217966U CN208640758U CN 208640758 U CN208640758 U CN 208640758U CN 201721217966 U CN201721217966 U CN 201721217966U CN 208640758 U CN208640758 U CN 208640758U
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- CN
- China
- Prior art keywords
- cerebrospinal fluid
- liquid storing
- storing bag
- hose
- fluid extraction
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Abstract
The utility model relates to a kind of neurology department cerebrospinal fluid extraction devices, including puncture needle, hose, liquid storing bag, pneumatic box, the liquid storing bag is located in pneumatic box, described hose one end is connected to puncture needle, the hose other end is connected with the top of liquid storing bag, and flow regulator is equipped on the hose, and one end of the pneumatic box is equipped with charge and exhaust pipe, the charge and exhaust pipe is equipped with external screw thread and multiple ventholes, is bolted with nut on the charge and exhaust pipe.The beneficial effects of the utility model are: the withdrawal device structure is simple, does not need patient and keep opposing stationary for a long time, is extracted without doctor's long-time hand syringes, it is easy to operate, reduce the labor intensity of doctor.
Description
Technical field
The utility model relates to medical instruments field more particularly to a kind of neurology department cerebrospinal fluid extraction devices.
Background technique
Cerebrospinal fluid is a kind of colourless transparent liquid that the choroid plexus cell by the ventricles of the brain generates, during its every indication has been reacted
The biochemistry and pathological condition of pivot nervous system.People have been devoted to continuously collect for a long time and cerebrospinal fluid and be detected, with
To study central nervous system disease, such as alzheimer's disease and Parkinson's disease.
The existing instrument that cerebrospinal fluid is collected by cisternal puncture is syringe, about needs 20 due to collecting every time
Minute, this is larger to doctor's physical demands, it is also difficult to it is stationary for a long time to control patient, it is therefore desirable to which new is convenient for collection brain
The instrument of spinal fluid.
Utility model content
The purpose of the utility model is to overcome problem above of the existing technology, provide a kind of neurology department's cerebrospinal fluid
Withdrawal device, structure are simple, easy to use.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of neurology department's cerebrospinal fluid extraction device, including puncture needle, hose, liquid storing bag, pneumatic box, the liquid storing bag are located at
In pneumatic box, described hose one end is connected to puncture needle, and the hose other end is connected with the top of liquid storing bag, is pacified on the hose
Equipped with flow regulator, one end of the pneumatic box is equipped with charge and exhaust pipe, and the charge and exhaust pipe is equipped with external screw thread and multiple logical
Stomata is bolted with nut on the charge and exhaust pipe.
Further, the liquid storing bag bottom end is equipped with drain pipe, and the drain pipe is hard tube, the end spiral shell of the drain pipe
It is connected to lid, the junction of the drain pipe and pneumatic box is equipped with sealing ring.
Further, the top of the liquid storing bag is inlet tube, and the inlet tube is hard tube, the inlet tube and pneumatic box
Seam crossing be equipped with sealing ring.
Further, the liquid storing bag is soft bag.
Further, the venthole interval is uniformly arranged.
Further, the venthole is located between two adjacent external screw thread circles.
Further, the hose and liquid storing bag are all made of medical plastic and are made.
Further, the pneumatic box is rectangular box.
Gas is filled with into pneumatic box by charge and exhaust pipe after withdrawal device completion production and assembly makes liquid storing bag compress bag wall
It fits together, adjusting flow regulator makes to enter liquid storing bag without gas in hose, and then nut rotating forward screws；When in use first
Puncture needle is inserted into cisterna magna, then adjusting flow regulator enables cerebrospinal fluid to enter liquid storing bag by hose, nut is anti-
It rotates pine the gas slowly in pneumatic box is discharged, to make to gradually form vacuum suction cerebrospinal fluid in liquid storing bag into liquid storing bag
Flowing, realizes the collection of cerebrospinal fluid.
The beneficial effects of the utility model are: the withdrawal device structure is simple, does not need patient and keeps opposing stationary for a long time,
It is extracted without doctor's long-time hand syringes, it is easy to operate, reduce the labor intensity of doctor.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the structural schematic diagram before the utility model use；
Fig. 2 is the structural schematic diagram after the utility model use；
Fig. 3 is the structural schematic diagram of charge and exhaust pipe on pneumatic box in the utility model.
Figure label explanation: 1- puncture needle, 2- hose, 3- liquid storing bag, 311- drain pipe, 312- lid, 4- pneumatic box,
411- charge and exhaust pipe, 4111- external screw thread, 4112- venthole, 412- nut, 5- flow regulator.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
As shown in Figures 1 to 3, a kind of neurology department cerebrospinal fluid extraction device, including puncture needle 1, hose 2, liquid storing bag 3, air pressure
Box 4, liquid storing bag 3 are located in pneumatic box 4, and 2 one end of hose is connected to puncture needle 1, the top phase of 2 other end of hose and liquid storing bag 3
It is connected to, flow regulator 5 is installed on hose 2, one end of pneumatic box 4 is equipped with charge and exhaust pipe 411, and charge and exhaust pipe 411 is equipped with
External screw thread 4111 and multiple ventholes 4112 are bolted with nut 412 on charge and exhaust pipe 411.
Wherein, 3 bottom end of liquid storing bag is equipped with drain pipe 3111, and drain pipe 311 is hard tube, and the end of drain pipe 311 is bolted with
The junction of lid 312, drain pipe 421 and pneumatic box 4 is equipped with sealing ring.
Wherein, the top of liquid storing bag 3 is inlet tube, and inlet tube is hard tube, and the seam crossing of inlet tube and pneumatic box 4 is equipped with close
Seal.
Wherein, liquid storing bag 3 is soft bag.
Wherein, the interval of venthole 4112 is uniformly arranged.
Wherein, venthole 4112 is located between two adjacent external screw thread circles.
Wherein, hose 2 and liquid storing bag 3 are all made of medical plastic and are made.
Wherein, pneumatic box 4 is rectangular box.
Gas is filled with into pneumatic box 4 by charge and exhaust pipe 411 after withdrawal device completion production and assembly compresses liquid storing bag 3
Bag wall fits together, and adjusting flow regulator 5 makes to enter liquid storing bag 3 without gas in hose 2, and the then rotating forward of nut 412 screws；
Puncture needle 1 is first inserted into cisterna magna when in use, then adjusting flow regulator 5 enables cerebrospinal fluid to enter by hose 2
Liquid storing bag 3, nut 412 inverts the gas slowly discharge unscrewed in pneumatic box 4, to make to gradually form negative pressure in liquid storing bag 3
Attract cerebrospinal fluid to flow into liquid storing bag 3, realizes the collection of cerebrospinal fluid.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.
Claims (8)
1. a kind of neurology department cerebrospinal fluid extraction device, including puncture needle, hose, liquid storing bag, pneumatic box, it is characterised in that: described
Liquid storing bag is located in pneumatic box, and described hose one end is connected to puncture needle, and the hose other end is connected with the top of liquid storing bag, institute
It states and flow regulator is installed on hose, one end of the pneumatic box is equipped with charge and exhaust pipe, and the charge and exhaust pipe is equipped with outer spiral shell
Line and multiple ventholes are bolted with nut on the charge and exhaust pipe.
2. neurology department according to claim 1 cerebrospinal fluid extraction device, it is characterised in that: the liquid storing bag bottom end is equipped with row
Liquid pipe, the drain pipe are hard tube, and the end of the drain pipe is bolted with lid, and the junction of the drain pipe and pneumatic box is set
There is sealing ring.
3. neurology department according to claim 1 cerebrospinal fluid extraction device, it is characterised in that: the top of the liquid storing bag be into
Liquid pipe, the inlet tube are hard tube, and the seam crossing of the inlet tube and pneumatic box is equipped with sealing ring.
4. neurology department according to claim 1 cerebrospinal fluid extraction device, it is characterised in that: the liquid storing bag is soft bag.
5. neurology department according to claim 1 cerebrospinal fluid extraction device, it is characterised in that: the venthole interval is uniformly set
It sets.
6. neurology department according to claim 1 cerebrospinal fluid extraction device, it is characterised in that: the venthole is located at two phases
Between adjacent external screw thread circle.
7. neurology department according to claim 1 cerebrospinal fluid extraction device, it is characterised in that: the hose and liquid storing bag are adopted
It is made of medical plastic.
8. neurology department according to claim 1 cerebrospinal fluid extraction device, it is characterised in that: the pneumatic box is rectangular box
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721217966.6U CN208640758U (en) | 2017-09-21 | 2017-09-21 | A kind of neurology department's cerebrospinal fluid extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721217966.6U CN208640758U (en) | 2017-09-21 | 2017-09-21 | A kind of neurology department's cerebrospinal fluid extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208640758U true CN208640758U (en) | 2019-03-26 |
Family
ID=65769183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721217966.6U Expired - Fee Related CN208640758U (en) | 2017-09-21 | 2017-09-21 | A kind of neurology department's cerebrospinal fluid extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208640758U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522478A (en) * | 2019-09-20 | 2019-12-03 | 中国人民解放军陆军军医大学第一附属医院 | A kind of cerebrospinal fluid extraction tool |
-
2017
- 2017-09-21 CN CN201721217966.6U patent/CN208640758U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522478A (en) * | 2019-09-20 | 2019-12-03 | 中国人民解放军陆军军医大学第一附属医院 | A kind of cerebrospinal fluid extraction tool |
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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: 20190326 Termination date: 20190921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |