CN205157445U - A cerebrospinal fluid detection device for intravertebral anesthesia - Google Patents
A cerebrospinal fluid detection device for intravertebral anesthesia Download PDFInfo
- Publication number
- CN205157445U CN205157445U CN201520964614.1U CN201520964614U CN205157445U CN 205157445 U CN205157445 U CN 205157445U CN 201520964614 U CN201520964614 U CN 201520964614U CN 205157445 U CN205157445 U CN 205157445U
- Authority
- CN
- China
- Prior art keywords
- cerebrospinal fluid
- sensing chamber
- reagent
- room
- device body
- 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
Landscapes
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model belongs to medical field, specific a cerebrospinal fluid detection device for intravertebral anesthesia that says so, the device comprises a device body, the one end of device body is provided with liquid and gets into the end, and the other end of device body is provided with the draught hole, the inside of device body is provided with reagent and detects the room, reagent detects the indoor pH test paper that is provided with, reagent detects the other contrast room that is provided with in room, liquid gets into and communicates each other through drip hole between end and the reagent detection room, draught hole and reagent detect between the room and to communicate each other through the air guide hole. The not enough of normal saline and cerebrospinal fluid can't be distinguished clinically to initial solution of this application, and the liquid that can distinguish lumbar puncture needle drainage play is cerebrospinal fluid or normal saline for the doctor can confirm the pjncture needle present position. Has simple, directly perceived, the quick advantage of flow simultaneously.
Description
Technical field
The utility model belongs to medical field, specifically a kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia.
Background technology
Anesthetist implements intravertebral anesthesia, particularly during combined spinal-epidural anesthesia, carry out resistance disappearance method judge epidural space position owing to employing physiological saline, therefore can not differentiate the liquid that lumbar puncture needle drains is cerebrospinal fluid or physiological saline, also just has no way of determining puncture needle present position.The drug effect that intraspinal tube different anatomic regional administration produces and physiologic effect have very big difference, and then affect effect and the safety of clinical anesthesia.At present, clinically there are no the pick-up unit distinguishing physiological saline and cerebrospinal fluid.And do not retrieve relevant innovation and creation in existing patent yet.
Utility model content
In order to overcome the defect of above-mentioned prior art, the utility model provides a kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia.
For realizing above-mentioned technique effect, technical solutions of the utility model are as follows:
A kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia, it is characterized in that: comprise device body, one end of described device body is provided with liquid entry end, the other end of device body is provided with air-vent, the inside of described device body is provided with reagent sensing chamber, pH test paper is provided with in described reagent sensing chamber, described reagent sensing chamber is other is provided with contrast room, be interconnected by dripping hole between described liquid entry end and reagent sensing chamber, be interconnected by gas port between described air-vent and reagent sensing chamber.
The pH neutral color test paper of the color for pH test paper in contrast agents sensing chamber is provided with in described contrast room.
The neutral color for the color of pH test paper in contrast agents sensing chamber is set in described contrast room.
Described contrast room is arranged on below reagent sensing chamber, and described contrast room and reagent sensing chamber are provided with partition.
Described liquid entry end and described dripping hole are interconnected, and described air-vent and described gas port are interconnected.
Form liquid inlet channel between described liquid entry end and described dripping hole, described liquid inlet channel is L-type, in 90 degree of corners between described liquid entry end and dripping hole.
Form air ventilation passage between described air-vent and described gas port, described air ventilation passage is yi word pattern, in 90 degree of corners between described air-vent and described gas port.
PH neutral color test paper is arranged on the contrast outside surface of room, inside surface or inside.
Described air-vent communicates with ambient atmosphere.
Principle of work of the present utility model is:
When lumbar puncture needle drains liquid, the liquid entry end of this device is connected with puncture backshank, owing to there is the air-vent communicated with air, can be flowed in reagent sensing chamber by dripping hole smoothly by the liquid drained.The cerebrospinal fluid of the mankind is alkalescent (pH value: 7.31-7.34), physiological saline is neutral (pH value: 7.0), principle accordingly, the color after can flowing into reagent sensing chamber according to liquid shown by pH test paper and the pH value contrasted in room shown by test paper are that the difference of the color of neutrality judges physiological saline or cerebrospinal fluid.If cerebrospinal fluid, take off this device, carry out subarachnoid administration subsequently.
The utility model has the advantage of:
1, the application solves the deficiency cannot differentiating physiological saline and cerebrospinal fluid clinically first, and can differentiate the liquid that lumbar puncture needle drains is cerebrospinal fluid or physiological saline, makes doctor can determine puncture needle present position.Have simultaneously flow process simply, intuitively, advantage fast.
2, the structure of the application can prevent cerebrospinal fluid reflux from entering liquid entry end, ensure that pick-up unit obtains testing result smoothly.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In accompanying drawing:
Device body 1, liquid entry end 2, reagent sensing chamber 3, air-vent 4, contrast room 5, cuts off 6, gas port 7, dripping hole 8.
Embodiment
Embodiment 1
A kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia comprises device body 1, one end of described device body 1 is provided with liquid entry end 2, the other end of device body 1 is provided with air-vent 4, the inside of described device body 1 is provided with reagent sensing chamber 3, pH test paper is provided with in described reagent sensing chamber 3, described reagent sensing chamber 3 is other is provided with contrast room 5, be interconnected by dripping hole 8 between described liquid entry end 2 and reagent sensing chamber 3, be interconnected by gas port 7 between described air-vent 4 and reagent sensing chamber 3.The application solves the deficiency cannot differentiating physiological saline and cerebrospinal fluid clinically first, and can differentiate the liquid that lumbar puncture needle drains is cerebrospinal fluid or physiological saline, makes doctor can determine puncture needle present position.Have simultaneously flow process simply, intuitively, advantage fast.The structure of the application can prevent cerebrospinal fluid reflux from entering liquid entry end 2, ensure that pick-up unit obtains testing result smoothly.
Embodiment 2
A kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia comprises device body 1, one end of described device body 1 is provided with liquid entry end 2, the other end of device body 1 is provided with air-vent 4, the inside of described device body 1 is provided with reagent sensing chamber 3, pH test paper is provided with in described reagent sensing chamber 3, described reagent sensing chamber 3 is other is provided with contrast room 5, be interconnected by dripping hole 8 between described liquid entry end 2 and reagent sensing chamber 3, be interconnected by gas port 7 between described air-vent 4 and reagent sensing chamber 3.
Being provided with the pH neutral color test paper of the color for pH test paper in contrast agents sensing chamber 3 in contrast room 5, is namely at the indoor test paper be provided with for contrasting of contrast.PH neutral color test paper is color when pH test paper runs into cerebrospinal fluid.
Contrast room 5 is arranged on below reagent sensing chamber 3, and described contrast room 5 and reagent sensing chamber 3 are provided with partition 6.
Liquid entry end 2 and described dripping hole 8 are interconnected, and described air-vent 4 and described gas port 7 are interconnected.
Form liquid inlet channel between liquid entry end 2 and described dripping hole 8, described liquid inlet channel is L-type, in 90 degree of corners between described liquid entry end 2 and dripping hole 8.The liquid entry end 2 of this device is for being horizontally disposed with, and dripping hole 8 is for arrange vertically downward, and such structure is convenient to cerebrospinal fluid and is instilled downwards in reagent sensing chamber 3.
Form air ventilation passage between air-vent 4 and described gas port 7, described air ventilation passage is yi word pattern, in 90 degree of corners between described air-vent 4 and described gas port 7.Because air ventilation passage mainly plays the effect air pressure in reagent sensing chamber 3 and external atmosphere pressure are consistent, as long as so both are interconnected, and air-vent 4 communicates with the external world.
PH neutral color test paper is arranged on the contrast outside surface of room 5, inside surface or inside.
When the pressure that cerebrospinal fluid is subject to is enough large, cerebrospinal fluid can directly flow in reagent sensing chamber 3 from liquid entry end 2, but when insufficient pressure, air-vent 4 place can external syringe or other negative pressure structure, utilize the modes such as suction to impel cerebrospinal fluid to flow into smoothly in reagent sensing chamber from liquid entry end 2.
When lumbar puncture needle drains liquid, the liquid entry end 2 of this device is connected with puncture backshank, owing to there is the air-vent 4 communicated with air, can be flowed in reagent sensing chamber 3 by dripping hole 8 smoothly by the liquid drained.The cerebrospinal fluid of the mankind is alkalescent (pH value: 7.31-7.34), physiological saline is neutral (pH value: 7.0), principle accordingly, the color after can flowing into reagent sensing chamber 3 according to liquid shown by pH test paper and the pH value contrasted in room 5 shown by test paper are that the difference of the color of neutrality judges physiological saline or cerebrospinal fluid.If cerebrospinal fluid, take off this device, carry out subarachnoid administration subsequently.
The application solves the deficiency cannot differentiating physiological saline and cerebrospinal fluid clinically first, and can differentiate the liquid that lumbar puncture needle drains is cerebrospinal fluid or physiological saline, makes doctor can determine puncture needle present position.Have simultaneously flow process simply, intuitively, advantage fast.The structure of the application can prevent cerebrospinal fluid reflux from entering liquid entry end 2, ensure that pick-up unit obtains testing result smoothly.
Embodiment 3
A kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia comprises device body 1, one end of described device body 1 is provided with liquid entry end 2, the other end of device body 1 is provided with air-vent 4, the inside of described device body 1 is provided with reagent sensing chamber 3, pH test paper is provided with in described reagent sensing chamber 3, described reagent sensing chamber 3 is other is provided with contrast room 5, be interconnected by dripping hole 8 between described liquid entry end 2 and reagent sensing chamber 3, be interconnected by gas port 7 between described air-vent 4 and reagent sensing chamber 3.
Being set to the neutral color for the color of pH test paper in contrast agents sensing chamber 3 in described contrast room 5, is namely that contrast room is inherently set to neutral color.PH neutral color is color when pH test paper runs into cerebrospinal fluid.
Contrast room 5 is arranged on below reagent sensing chamber 3, and described contrast room 5 and reagent sensing chamber 3 are provided with partition 6.
Liquid entry end 2 and described dripping hole 8 are interconnected, and described air-vent 4 and described gas port 7 are interconnected.
Form liquid inlet channel between liquid entry end 2 and described dripping hole 8, described liquid inlet channel is L-type, in 90 degree of corners between described liquid entry end 2 and dripping hole 8.The liquid entry end 2 of this device is for being horizontally disposed with, and dripping hole 8 is for arrange vertically downward, and such structure is convenient to cerebrospinal fluid and is instilled downwards in reagent sensing chamber 3.
Form air ventilation passage between air-vent 4 and described gas port 7, described air ventilation passage is yi word pattern, in 90 degree of corners between described air-vent 4 and described gas port 7.Because air ventilation passage mainly plays the effect air pressure in reagent sensing chamber 3 and external atmosphere pressure are consistent, as long as so both are interconnected, and air-vent 4 communicates with the external world.
When the pressure that cerebrospinal fluid is subject to is enough large, cerebrospinal fluid can directly flow in reagent sensing chamber 3 from liquid entry end 2, but when insufficient pressure, air-vent 4 place can external syringe or other negative pressure structure, utilize the modes such as suction to impel cerebrospinal fluid to flow into smoothly in reagent sensing chamber from liquid entry end 2.
When lumbar puncture needle drains liquid, the liquid entry end 2 of this device is connected with puncture backshank, owing to there is the air-vent 4 communicated with air, can be flowed in reagent sensing chamber 3 by dripping hole 8 smoothly by the liquid drained.The cerebrospinal fluid of the mankind is alkalescent (pH value: 7.31-7.34), physiological saline is neutral (pH value: 7.0), principle accordingly, can flow into color after reagent sensing chamber 3 shown by pH test paper with contrasting the pH value shown in room 5 according to liquid is that the difference of the color of neutrality judges physiological saline or cerebrospinal fluid.If cerebrospinal fluid, take off this device, carry out subarachnoid administration subsequently.
The application solves the deficiency cannot differentiating physiological saline and cerebrospinal fluid clinically first, and can differentiate the liquid that lumbar puncture needle drains is cerebrospinal fluid or physiological saline, makes doctor can determine puncture needle present position.Have simultaneously flow process simply, intuitively, advantage fast.The structure of the application can prevent cerebrospinal fluid reflux from entering liquid entry end 2, ensure that pick-up unit obtains testing result smoothly.
Claims (8)
1. the cerebrospinal fluid pick-up unit for intravertebral anesthesia, it is characterized in that: comprise device body (1), one end of described device body (1) is provided with liquid entry end (2), the other end of device body (1) is provided with air-vent (4), the inside of described device body (1) is provided with reagent sensing chamber (3), pH test paper is provided with in described reagent sensing chamber (3), described reagent sensing chamber is other is provided with contrast room (5), be interconnected by dripping hole (8) between described liquid entry end (2) and reagent sensing chamber (3), be interconnected by gas port (7) between described air-vent (4) and reagent sensing chamber (3).
2. a kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia according to claim 1, is characterized in that: the pH neutral color test paper being provided with the color for pH test paper in contrast agents sensing chamber (3) in described contrast room (5).
3. a kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia according to claim 1, is characterized in that: the neutral color being set to the color for pH test paper in contrast agents sensing chamber (3) in described contrast room (5).
4. a kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia according to Claims 2 or 3, it is characterized in that: described contrast room (5) is arranged on reagent sensing chamber (3) below, and described contrast room (5) and reagent sensing chamber (3) are provided with partition (6).
5. a kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia according to claim 4, it is characterized in that: described liquid entry end (2) and described dripping hole (8) are interconnected, described air-vent (4) and described gas port (7) are interconnected.
6. a kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia according to claim 5, it is characterized in that: between described liquid entry end (2) and described dripping hole (8), form liquid inlet channel, described liquid inlet channel is L-type, in 90 degree of corners between described liquid entry end (2) and dripping hole (8).
7. a kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia according to claim 5, it is characterized in that: between described air-vent (4) and described gas port (7), form air ventilation passage, described air ventilation passage is yi word pattern, in 90 degree of corners between described air-vent (4) and described gas port (7), described air-vent (4) communicates with the external world.
8. a kind of cerebrospinal fluid pick-up unit for intravertebral anesthesia according to claim 2, is characterized in that: pH neutral color test paper is arranged on outside surface, inside surface or the inside of contrast room (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520964614.1U CN205157445U (en) | 2015-11-30 | 2015-11-30 | A cerebrospinal fluid detection device for intravertebral anesthesia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520964614.1U CN205157445U (en) | 2015-11-30 | 2015-11-30 | A cerebrospinal fluid detection device for intravertebral anesthesia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157445U true CN205157445U (en) | 2016-04-13 |
Family
ID=55693124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520964614.1U Expired - Fee Related CN205157445U (en) | 2015-11-30 | 2015-11-30 | A cerebrospinal fluid detection device for intravertebral anesthesia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205157445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319214A (en) * | 2015-11-30 | 2016-02-10 | 四川大学华西第二医院 | Cerebrospinal fluid detection device used for intraspinal anesthesia |
-
2015
- 2015-11-30 CN CN201520964614.1U patent/CN205157445U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319214A (en) * | 2015-11-30 | 2016-02-10 | 四川大学华西第二医院 | Cerebrospinal fluid detection device used for intraspinal anesthesia |
| CN105319214B (en) * | 2015-11-30 | 2018-10-09 | 四川大学华西第二医院 | A kind of cerebrospinal fluid detection device for intravertebral anesthesia |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105319214A (en) | Cerebrospinal fluid detection device used for intraspinal anesthesia | |
| CN202637636U (en) | Blood return prevention liquid medicine filter and automatic venting infusion device with same | |
| CN205072879U (en) | Blood collection tube for clinical laboratory | |
| CN205157445U (en) | A cerebrospinal fluid detection device for intravertebral anesthesia | |
| CN202526646U (en) | Negative pressure drainage device for endocrine dyscrasia hydrops | |
| CN206274297U (en) | Haemolysis device, liquid-way system and glycolated hemoglobin analysis | |
| CN202666054U (en) | Initiative drainage device for human bodies | |
| CN204246554U (en) | Pressure conversion drainage system | |
| CN106691397A (en) | Cerebrospinal fluid detection apparatus for intraspinal anesthesia | |
| CN207462053U (en) | A kind of cerebrospinal fluid detection device for intravertebral anesthesia | |
| CN206543291U (en) | A kind of controllable lumbar cistern drainage pipe of flow velocity | |
| CN105765390A (en) | Method for automatic in vitro diagnosis | |
| CN210963556U (en) | Precision metering drainage box with improved tapping valve structure | |
| CN114027815A (en) | Pressure detection device for abdominal high-pressure patient | |
| CN107174679A (en) | A kind of gas-liquid separation drainage system | |
| CN207708239U (en) | Drainage device for neurosurgery operations | |
| CN208274777U (en) | A kind of medical treatment laparoscope puncturing drainer | |
| CN202104919U (en) | Water-stop air monitoring device and chest drainage device using same | |
| CN208524875U (en) | A kind of hemoglobin straw | |
| CN206660186U (en) | A kind of bladder irrigation-drainage device for double lumen catheter | |
| CN205251527U (en) | Well cardiac vein pressure -measuring pipe | |
| CN206964829U (en) | A kind of colorimetric drainage bag | |
| CN213155856U (en) | Pressure measuring pipe | |
| CN205360120U (en) | Measurable venous pressure's transfusion system | |
| CN205832275U (en) | A kind of can the plain type Large Copacity bladder irrigation-drainage device of accurate measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20201130 |