CN105319214B - A kind of cerebrospinal fluid detection device for intravertebral anesthesia - Google Patents
A kind of cerebrospinal fluid detection device for intravertebral anesthesia Download PDFInfo
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- CN105319214B CN105319214B CN201510845582.8A CN201510845582A CN105319214B CN 105319214 B CN105319214 B CN 105319214B CN 201510845582 A CN201510845582 A CN 201510845582A CN 105319214 B CN105319214 B CN 105319214B
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Abstract
The invention belongs to medical fields, specifically a kind of cerebrospinal fluid detection device for intravertebral anesthesia, including device body, one end of described device ontology is provided with liquid entry end, the other end of device body is provided with air vent, described device ontology is internally provided with reagent sensing chamber, reagent detection interior is provided with pH test paper, control room is provided with by the reagent sensing chamber, it is interconnected by dripping hole between the liquid entry end and reagent sensing chamber, is interconnected by gas port between the air vent and reagent sensing chamber.The application solves the deficiency that can not clinically differentiate physiological saline and cerebrospinal fluid for the first time, and it is cerebrospinal fluid or physiological saline that can differentiate the liquid that lumbar puncture needle drains so that doctor can determine puncture needle present position.There is simple, intuitive, the quick advantage of flow simultaneously.
Description
Technical field
The invention belongs to medical field, specifically a kind of cerebrospinal fluid detection devices for intravertebral anesthesia.
Background technology
When Anesthetist implements intravertebral anesthesia, especially combined spinal-epidural anesthesia, hindered due to the use of physiological saline
Power disappearance method judges epidural space position, therefore it is cerebrospinal fluid or physiology salt that cannot differentiate the liquid that lumbar puncture needle drains
Water also just has no way of determining puncture needle present position.Drug effect and physiologic effect caused by intraspinal tube different anatomic regional administration
There is very big difference, and then influences the effect and safety of clinical anesthesia.Physiological saline and cerebrospinal fluid are distinguished currently, clinically there are no
Detection device.And relevant innovation and creation are not retrieved in existing patent yet.
Invention content
In order to overcome the defect of the above-mentioned prior art, the present invention provides a kind of cerebrospinal fluid detections for intravertebral anesthesia
Device.
To realize that above-mentioned technique effect, technical solution of the present invention are as follows：
A kind of cerebrospinal fluid detection device for intravertebral anesthesia, it is characterised in that：Including device body, described device sheet
One end of body is provided with liquid entry end, and the other end of device body is provided with air vent, the inside setting of described device ontology
There are reagent sensing chamber, reagent detection interior to be provided with pH test paper, control room, the liquid are provided with by the reagent sensing chamber
It is interconnected by dripping hole between body upstream end and reagent sensing chamber, passes through air guide between the air vent and reagent sensing chamber
Hole is interconnected.
The pH neutral color test paper for the color of pH test paper in contrast agents sensing chamber is provided in the control room.
The neutral color of the color of pH test paper in contrast agents sensing chamber is provided in the control room.
The control room is arranged below reagent sensing chamber, and the control room and reagent sensing chamber are provided with partition.
The liquid entry end and the dripping hole are interconnected, and the air vent and the gas port are interconnected.
Liquid inlet channel is formed between the liquid entry end and the dripping hole, the liquid inlet channel is L-shaped,
It is in 90 degree of corners between the liquid entry end and dripping hole.
Air ventilation passage is formed between the air vent and the gas port, the air ventilation passage is in "-" type,
It is in 90 degree of corners between the air vent and the gas port.
Outer surface, inner surface or inside in control room is arranged in pH neutral color test paper.
The air vent is communicated with ambient atmosphere.
The operation principle of the present invention is that：
When lumbar puncture needle drains liquid, the liquid entry end of the present apparatus is connected with backshank is punctured, due to depositing
In the air vent communicated with air, the liquid drained can pass through in dripping hole inflow reagent sensing chamber.The mankind's
Cerebrospinal fluid is alkalescent（PH value：7.31—7.34）, physiological saline is neutrality（PH value：7.0）, principle accordingly can be according to liquid
Body flows into the color after reagent sensing chamber shown by pH test paper and compare the pH value in room shown by test paper as the color of neutrality
Difference judges physiological saline or cerebrospinal fluid.If it is cerebrospinal fluid, the present apparatus is removed, cavum subarachnoidale is then carried out and gives
Medicine.
The advantage of the invention is that：
1, the application solves the deficiency that can not clinically differentiate physiological saline and cerebrospinal fluid for the first time, can differentiate lumbar puncture
The liquid that needle drains is cerebrospinal fluid or physiological saline so that doctor can determine puncture needle present position.There is stream simultaneously
Simple, intuitive, the quick advantage of journey.
2, the structure of the application can prevent cerebrospinal fluid reflux from entering liquid entry end, ensure that detection device is smoothly examined
Survey result.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
In attached drawing：
Device body 1, liquid entry end 2, reagent sensing chamber 3, air vent 4 compare room 5, partition 6, gas port 7, dropping liquid
Hole 8.
Specific implementation mode
Embodiment 1
A kind of cerebrospinal fluid detection device for intravertebral anesthesia includes device body 1, and one end of described device ontology 1 is set
It is equipped with liquid entry end 2, the other end of device body 1 is provided with air vent 4, and described device ontology 1 is internally provided with reagent
Sensing chamber 3 is provided with pH test paper in the reagent sensing chamber 3, and control room 5, the liquid are provided with by the reagent sensing chamber 3
It is interconnected by dripping hole 8 between upstream end 2 and reagent sensing chamber 3, is passed through between the air vent 4 and reagent sensing chamber 3
Gas port 7 is interconnected.The application solves the deficiency that can not clinically differentiate physiological saline and cerebrospinal fluid for the first time, can differentiate waist
The liquid that vertebra puncture needle drains is cerebrospinal fluid or physiological saline so that doctor can determine puncture needle present position.Simultaneously
Advantage simple with flow, intuitive, quick.The structure of the application can prevent cerebrospinal fluid reflux from entering liquid entry end 2, ensure
Detection device smoothly obtains testing result.
Embodiment 2
A kind of cerebrospinal fluid detection device for intravertebral anesthesia includes device body 1, and one end of described device ontology 1 is set
It is equipped with liquid entry end 2, the other end of device body 1 is provided with air vent 4, and described device ontology 1 is internally provided with reagent
Sensing chamber 3 is provided with pH test paper in the reagent sensing chamber 3, and control room 5, the liquid are provided with by the reagent sensing chamber 3
It is interconnected by dripping hole 8 between upstream end 2 and reagent sensing chamber 3, is passed through between the air vent 4 and reagent sensing chamber 3
Gas port 7 is interconnected.
It is provided with the pH neutral color test paper for the color of pH test paper in contrast agents sensing chamber 3 in control room 5, is
Control interior is provided with the test paper for control.PH neutral color test paper is color when pH test paper encounters cerebrospinal fluid.
It compares room 5 to be arranged below reagent sensing chamber 3, the control room 5 and reagent sensing chamber 3 are provided with partition 6.
Liquid entry end 2 and the dripping hole 8 are interconnected, and the air vent 4 and the gas port 7 are interconnected.
Liquid inlet channel is formed between liquid entry end 2 and the dripping hole 8, the liquid inlet channel is L-shaped, institute
State between liquid entry end 2 and dripping hole 8 is in 90 degree of corners.The liquid entry end 2 of the present apparatus is horizontally disposed, and dripping hole 8 is
It is arranged vertically downward, such structure drips downward into convenient for cerebrospinal fluid to reagent sensing chamber 3.
Air ventilation passage is formed between air vent 4 and the gas port 7, the air ventilation passage is in "-" type, institute
State between air vent 4 and the gas port 7 is in 90 degree of corners.Due to air ventilation passage primarily serves will be in reagent sensing chamber 3
The effect that is consistent of air pressure and external atmosphere pressure, as long as so the two is interconnected, and air vent 4 communicates i.e. with the external world
It can.
Outer surface, inner surface or inside in control room 5 is arranged in pH neutral color test paper.
When the pressure that cerebrospinal fluid is subject to is sufficiently large, cerebrospinal fluid directly can flow into reagent detection from liquid entry end 2
In room 3, but when insufficient pressure, at air vent 4 can external syringe or other negative pressure structures, by suction etc. in the way of promote
Cerebrospinal fluid is set smoothly to flow into reagent detection interior from liquid entry end 2.
When lumbar puncture needle drains liquid, the liquid entry end 2 of the present apparatus is connected with backshank is punctured, due to depositing
In the air vent 4 communicated with air, the liquid drained can pass through dripping hole 8 and flow into reagent sensing chamber 3.The mankind
Cerebrospinal fluid be alkalescent（PH value：7.31—7.34）, physiological saline is neutrality（PH value：7.0）, principle accordingly can basis
The face that liquid flows into the color after reagent sensing chamber 3 shown by pH test paper and compare the pH value in room 5 shown by test paper as neutrality
The difference of color judges physiological saline or cerebrospinal fluid.If it is cerebrospinal fluid, the present apparatus is removed, then carries out cavum subarachnoidale
Administration.
The application solves the deficiency that can not clinically differentiate physiological saline and cerebrospinal fluid for the first time, can differentiate lumbar puncture needle
The liquid drained is cerebrospinal fluid or physiological saline so that doctor can determine puncture needle present position.There is flow simultaneously
Simply, intuitively, quick advantage.The structure of the application can prevent cerebrospinal fluid reflux from entering liquid entry end 2, ensure that detection dress
It sets and smoothly obtains testing result.
Embodiment 3
A kind of cerebrospinal fluid detection device for intravertebral anesthesia includes device body 1, and one end of described device ontology 1 is set
It is equipped with liquid entry end 2, the other end of device body 1 is provided with air vent 4, and described device ontology 1 is internally provided with reagent
Sensing chamber 3 is provided with pH test paper in the reagent sensing chamber 3, and control room 5, the liquid are provided with by the reagent sensing chamber 3
It is interconnected by dripping hole 8 between upstream end 2 and reagent sensing chamber 3, is passed through between the air vent 4 and reagent sensing chamber 3
Gas port 7 is interconnected.
Be provided for the neutral color of the color of pH test paper in contrast agents sensing chamber 3 in the control room 5, be by
Control room itself is set to neutral color.PH neutral colors are color when pH test paper encounters cerebrospinal fluid.
It compares room 5 to be arranged below reagent sensing chamber 3, the control room 5 and reagent sensing chamber 3 are provided with partition 6.
Liquid entry end 2 and the dripping hole 8 are interconnected, and the air vent 4 and the gas port 7 are interconnected.
Liquid inlet channel is formed between liquid entry end 2 and the dripping hole 8, the liquid inlet channel is L-shaped, institute
State between liquid entry end 2 and dripping hole 8 is in 90 degree of corners.The liquid entry end 2 of the present apparatus is horizontally disposed, and dripping hole 8 is
It is arranged vertically downward, such structure drips downward into convenient for cerebrospinal fluid to reagent sensing chamber 3.
Air ventilation passage is formed between air vent 4 and the gas port 7, the air ventilation passage is in "-" type, institute
State between air vent 4 and the gas port 7 is in 90 degree of corners.Due to air ventilation passage primarily serves will be in reagent sensing chamber 3
The effect that is consistent of air pressure and external atmosphere pressure, as long as so the two is interconnected, and air vent 4 communicates i.e. with the external world
It can.
When the pressure that cerebrospinal fluid is subject to is sufficiently large, cerebrospinal fluid directly can flow into reagent detection from liquid entry end 2
In room 3, but when insufficient pressure, at air vent 4 can external syringe or other negative pressure structures, by suction etc. in the way of promote
Cerebrospinal fluid is set smoothly to flow into reagent detection interior from liquid entry end 2.
When lumbar puncture needle drains liquid, the liquid entry end 2 of the present apparatus is connected with backshank is punctured, due to depositing
In the air vent 4 communicated with air, the liquid drained can pass through dripping hole 8 and flow into reagent sensing chamber 3.The mankind
Cerebrospinal fluid be alkalescent（PH value：7.31—7.34）, physiological saline is neutrality（PH value：7.0）, principle accordingly can basis
Liquid flows into the pH value that the color after reagent sensing chamber 3 shown by pH test paper and compare is shown in room 5 as the difference of the color of neutrality
It is different to judge physiological saline or cerebrospinal fluid.If it is cerebrospinal fluid, the present apparatus is removed, then carries out subarachnoid administration.
The application solves the deficiency that can not clinically differentiate physiological saline and cerebrospinal fluid for the first time, can differentiate lumbar puncture needle
The liquid drained is cerebrospinal fluid or physiological saline so that doctor can determine puncture needle present position.There is flow simultaneously
Simply, intuitively, quick advantage.The structure of the application can prevent cerebrospinal fluid reflux from entering liquid entry end 2, ensure that detection dress
It sets and smoothly obtains testing result.
Claims (3)
1. a kind of cerebrospinal fluid detection device for intravertebral anesthesia, it is characterised in that：Including device body（1）, described device
Ontology（1）One end be provided with liquid entry end（2）, device body（1）The other end be provided with air vent（4）, described device
Ontology（1）Be internally provided with reagent sensing chamber（3）, the reagent sensing chamber（3）Inside it is provided with pH test paper, the reagent detection
Control room is provided with by room（5）, the liquid entry end（2）With reagent sensing chamber（3）Between pass through dripping hole（8）Mutually interconnect
It is logical, the air vent（4）With reagent sensing chamber（3）Between pass through gas port（7）It is interconnected；
The control room（5）In be provided with for contrast agents sensing chamber（3）The pH neutral color test paper of the color of middle pH test paper；
The control room（5）It is arranged in reagent sensing chamber（3）Lower section, the control room（5）With reagent sensing chamber（3）Be provided with every
It is disconnected（6）；
The liquid entry end（2）With the dripping hole（8）It is interconnected, the air vent（4）With the gas port（7）Mutually
Connection；
The liquid entry end（2）With the dripping hole（8）Between form liquid inlet channel, the liquid inlet channel is in L
Type, the liquid entry end（2）And dripping hole（8）Between be in 90 degree of corners；
The setting of pH neutral color test paper is in control room（5）Outer surface, inner surface or inside.
2. a kind of cerebrospinal fluid detection device for intravertebral anesthesia according to claim 1, it is characterised in that：It is described right
According to room（5）In be provided for contrast agents sensing chamber（3）The neutral color of the color of middle pH test paper.
3. a kind of cerebrospinal fluid detection device for intravertebral anesthesia according to claim 1, it is characterised in that：It is described to change
Stomata（4）With the gas port（7）Between form air ventilation passage, the air ventilation passage is in "-" type, the ventilation
Hole（4）With the gas port（7）Between be in 90 degree of corners, the air vent（4）It is communicated with the external world.
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| CN201510845582.8A CN105319214B (en) | 2015-11-30 | 2015-11-30 | A kind of cerebrospinal fluid detection device for intravertebral anesthesia |
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| CN201510845582.8A CN105319214B (en) | 2015-11-30 | 2015-11-30 | A kind of cerebrospinal fluid detection device for intravertebral anesthesia |
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| CN106691397A (en) * | 2017-03-09 | 2017-05-24 | 四川大学华西第二医院 | Cerebrospinal fluid detection apparatus for intraspinal anesthesia |
| CN111714758A (en) * | 2019-03-19 | 2020-09-29 | 娄永利 | Drainage device for cerebrospinal fluid leakage after spinal surgery and use method thereof |
| CN113499039B (en) * | 2021-08-25 | 2023-02-07 | 北京大学第三医院（北京大学第三临床医学院） | Method and device for conveniently and efficiently identifying cerebrospinal fluid in intravertebral anesthesia operation |
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| CN205157445U (en) * | 2015-11-30 | 2016-04-13 | 四川大学华西第二医院 | A cerebrospinal fluid detection device for intravertebral anesthesia |
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| JP4012169B2 (en) * | 2003-05-09 | 2007-11-21 | 独立行政法人科学技術振興機構 | Instruments for measuring multiple types of ions |
| CN2647334Y (en) * | 2003-08-18 | 2004-10-13 | 贺定辉 | Variable colour film device for injector |
| CN100488576C (en) * | 2005-12-31 | 2009-05-20 | 何明利 | Intelligent cerebrospinal fluid displacement instrument |
| CN102018724A (en) * | 2010-11-30 | 2011-04-20 | 尚爱加 | Preparation method of medical artificial cerebrospinal fluid and application thereof |
| US20150168394A1 (en) * | 2011-09-16 | 2015-06-18 | Credo Biomedical Pte Ltd | Molecular diagnostic assay device and method of use |
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| CN205157445U (en) * | 2015-11-30 | 2016-04-13 | 四川大学华西第二医院 | A cerebrospinal fluid detection device for intravertebral anesthesia |
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