CN106730055A - It is a kind of to be switched and determined method for the drainage system of Cerebrospinal Fluid Leakage After Spinal Operation and positive/negative-pressure drainage - Google Patents
It is a kind of to be switched and determined method for the drainage system of Cerebrospinal Fluid Leakage After Spinal Operation and positive/negative-pressure drainage Download PDFInfo
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- CN106730055A CN106730055A CN201611103324.3A CN201611103324A CN106730055A CN 106730055 A CN106730055 A CN 106730055A CN 201611103324 A CN201611103324 A CN 201611103324A CN 106730055 A CN106730055 A CN 106730055A
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- Prior art keywords
- drainage
- negative
- proportion
- pressure
- liquid storing
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- A61M1/0023—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/80—Suction pumps
- A61M1/82—Membrane pumps, e.g. bulbs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/332—Force measuring means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3337—Controlling, regulating pressure or flow by means of a valve by-passing a pump
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
Method is switched and determined the present invention relates to a kind of drainage system for Cerebrospinal Fluid Leakage After Spinal Operation and positive/negative-pressure drainage.Its drainage system includes liquid storing bag and drainage tube, insert liquid storing bag entrance in described drainage tube one end, at other end insertion myelencephalon hydrops, the liquid storing bag bottom is connected with discharging tube, and exhaust-control valve is provided with the discharging tube, it is characterised in that, also include densimeter and accommodate the proportion box of specific gravity test hydrops, the densimeter is placed in the inside of proportion box, and the drainage tube connects the entrance of proportion box after liquid storing bag is entered, the proportion box top set opening and with the inner space of liquid storing bag；Series connection negative pressure drainage ball on the drainage tube.Will be the beneficial effects of the invention are as follows preliminary test can be carried out to celiolymph while drainage.After coordinating the switching determination method, while dynamic observation celiolymph situation, is easy to the operation of nursing staff, collection checking procedure is simplified.
Description
Technical field
The present invention relates to medical equipment, specifically a kind of drainage system and positive/negative-pressure for Cerebrospinal Fluid Leakage After Spinal Operation
Drainage is switched and determined method.
Background technology
Leakage of cerebrospinal is the common complication of spinal surgery.Negative pressure will be placed in conventional spinal surgical postoperative wound chamber to draw
Stream, to suction out the hematocele in wound chamber, Incision infection prevention and surgical adhesions.For leakage of cerebrospinal patient, negative pressure drainage is simultaneously
Cerebrospinal fluid will be drained.Adult cerebrospinal fluid growing amount about 450ml/24h, and patient can go out when drainage is more than 100ml/24h
Now have a headache, vomit, or even trigger hernia cerebri.In clinical position, leakage of cerebrospinal is judged generally according to drainage-fluid color and drainage flow
Speed.When drainage-fluid tends to red, now based on blood, need to be suctioned out with negative pressure, prevention infection.And work as drainage-fluid and become
When bright, now based on cerebrospinal fluid, Positve pressure need to be used, in case cerebrospinal fluid is excessively drawn, cause serious consequence.But should
Method is only limitted to clinical experience, and no quantization index still suffers from more uncertainty.
Existing drainage system is relatively simple, generally produces negative pressure using external negative pressure device, makes liquid drain to body
Outward, as that hydrops need to will be collected and be checked by special messenger if further inspection to the liquid for draining, to nursery work also band
It is inconvenient to come.Although many medical personnel attempt being improved the drainage system, such as application publication number is CN105327409A
's《A kind of Medical negative pressure drainage bag with accurate measurement pipe》Or Authorization Notice No. is CN204575491U's《One kind can survey urine
The accurate measurement urine device of liquor ratio weight》Innovation of the medical personnel in field is all represented to attempt.But because celiolymph
Discharge rate is unstable, and these devices effectively cannot be collected and Preliminary detection to myelencephalon.
There is not yet a kind of drainage dress that can smoothly collect the celiolymph for draining, can simply be detected again in use
Put.Therefore, be clinically badly in need of it is a kind of carry out quantify judge Cerebrospinal Fluid in Patients leak situation drainage system.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, while solving to collect drainage celiolymph, it is compared
The problem that weight and volume are measured.
To achieve the above object of the invention, there is provided a kind of drainage system leaked for backbone postoperative cerebrospinal, including liquid storing bag
And drainage tube, liquid storing bag entrance is inserted in described drainage tube one end, at other end insertion myelencephalon hydrops, the liquid storing bag bottom company
Discharging tube is connected to, exhaust-control valve, the ratio also including densimeter and receiving specific gravity test hydrops are installed on the discharging tube
Weight box, the densimeter is placed in the inside of proportion box, and the drainage tube connects the entrance of proportion box after liquid storing bag is entered, described
Proportion box top set opening and with the inner space of liquid storing bag；Series connection negative pressure drainage ball on the drainage tube.
The proportion box is set directly inside liquid storing bag, can be reused after cleaning, reduces structure caused by connection
Weak band.Exhaust-control valve as required close and open by timesharing, to facilitate the measurement of drainage-fluid.
Preferably, a branch pipe in parallel on the drainage tube between the negative pressure drainage ball and liquid storing bag, sets in the branch pipe
The check valve for preventing hydrops adverse current is equipped with, the drainage tube is provided for adjusting changing for hydrops flow direction with the junction of branch pipe
To valve.
Preferably, the circulation of control drainage tube and the valve closed are provided with the drainage tube.
Preferably, the proportion box is fixed on the tip position of liquid storing bag inner chamber.
Preferably, the entrance of the proportion box is arranged at bottom.
Preferably, the liquid storing bag is provided with the graduated scale of the capacity of display.
Preferably, the negative pressure suction ball is provided with clip or hook.
Preferably, the liquid storing bag volume is 550 milliliters.
Preferably, also including positive/negative-pressure switch controller, the positive/negative-pressure switch controller sets proportion upper limit threshold respectively
Value X and proportion lower threshold Y；The positive/negative-pressure switch controller is used to receive the specific gravity values α that densimeter is collected into, and will compare
Tuple value α compares with proportion upper limit threshold X, proportion lower threshold Y；The positive/negative-pressure switch controller compares α ＞ X and then exports
The judgement signal of negative pressure drainage signal；The positive/negative-pressure switch controller compares Y≤α≤X and then exports Positve pressure signal
Judge signal, the positive/negative-pressure switch controller compares α ＜ Y and then exports the judgement signal for closing system signal；The commutation
Valve is used to receive the judgement signal of positive/negative-pressure switch controller, and realizes the switching of device positive/negative-pressure drainage.
Also providing the step of a kind of drainage system positive/negative-pressure is switched and determined method, the method includes：
The drainage-fluid that S1 will be gathered imports densimeter measurement by negative pressure, and drainage-fluid is overcome in the original location using negative pressure pressure difference
Gravity；Pass through so as to reach startup drainage-fluid, and accelerate the effect of flowing.
S2 starts the monitoring of specific gravity values α after densimeter enters working condition in drainage liquid pool；
S3 carries out the judgement of the specific gravity values α of drainage-fluid, and being compared with specific gravity values α needs the drainage-fluid proportion of negative pressure drainage
The upper limit threshold X and drainage-fluid proportion lower threshold Y that drainage need not be carried out；Enter S1 steps if α ＞ X, if Y≤α≤X
Into S4 steps, S5 steps are entered if α ＜ Y；
Negative pressure drainage is switched to Positve pressure by S4, and drainage-fluid is imported into densimeter using the malleation of siphon measures, then
Into S2 steps；The interference that negative pressure is measured drainage-fluid is reduced, accurate measurement is realized, drainage excess is reduced.
S5 closes the positive/negative-pressure drainage system of drainage-fluid.
In preferred scheme, the concrete numerical value of the drainage-fluid proportion upper limit threshold X for needing negative pressure drainage is 1.030,
The concrete numerical value of the drainage-fluid proportion lower threshold Y that need not carry out drainage is 1.010.
Normal human blood proportion be 1.050-1.060, and cerebrospinal fluid proportion be 1.002-1.008. from there through densimeter,
With reference to drainage flow, by observing rate of specific gravity, accurately switch positive/negative-pressure, in effectively prevention infection while effective control leakage of cerebrospinal.
Drainage tube is inserted directly into proportion box the very first time to test drainage-fluid, it is to avoid when collecting amount is very few
The problem that drainage liquid precipitate measurement during inspection problem and excessive collecting amount is forbidden.The negative pressure drainage ball of series connection, can be in hydrops
Collecting amount is not enough and carries out pressure drainage to celiolymph during drainage system siphon insufficient pressure, so that convenient operation and inspection
Carry out.
The setting of check valve can prevent drainage-fluid of the negative pressure drainage ball to having collected from attracting on branched pipe, it is ensured that drainage
Collect and the accuracy of detection is not interfered.After preliminary drainage terminates, the siphon pressure of drainage is sufficient and celiolymph compared with
When many, reversal valve to normal drainage tube stream can be switched, the negative pressure drainage for making siphon pressure instead manual removes check valve
Caused drainage resistance so that the fluctuation stabilization of drainage pressure, improves the accuracy collected and detect.
The circulation of control drainage tube and the valve closed, can close so that the liquid stabilising that draining fluids go out is not when necessary
It is disturbed, so as to lift the precision of monitoring observation.
Proportion box is fixed on the tip position of liquid storing bag inner chamber so that drainage liquid energy departs from proportion box after first flowing through proportion box
Into liquid storing bag, it is to avoid during long-time drainage, the obstruction interfered to specific gravity test of front and rear drainage-fluid.
The entrance of proportion box is arranged at bottom, allows drainage liquid energy to accumulate last overflow from bottom to up in proportion box and go out,
The turbulent flow of drainage-fluid generation, influence measurement are avoided, while reducing advection renewal, it is ensured that the precision of real-time measurement.
The daily drainage flow of operation of traditional lumbar vertebral posterior long segment can reach 500 milliliters, and multiple pressure drainage ball first holds
100 milliliters of amount, single about 70 milliliters of drainage flow of maximum, so one day nurse will topple over drainage ball 8 times, and during doctor's reading only
Can go to look into 8 drainage flows and then be added, it is very inconvenient, liquid storing bag volume is set to 550 milliliters and ensure that one day without more
Change.
The beneficial effects of the invention are as follows preliminary test can be carried out to celiolymph while drainage, while dynamic observation brain
Spinal fluid situation, is easy to the operation of nursing staff, simplifies collection checking procedure.
Brief description of the drawings
Fig. 1 is the structural representation of drainage system of the present invention；
Fig. 2 is that drainage system positive/negative-pressure of the present invention is switched and determined method flow schematic diagram；
Wherein：
1- liquid storing bag 11- graduated scale 2- drainage tubes
21- branch pipe 211- check valve 22- reversal valves
23- valve 3- discharging tube 4- exhaust-control valves
5- densimeter 6- proportion box 7- negative pressure drainage balls
71- is linked up with
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of drainage system for the leakage of backbone postoperative cerebrospinal according to Fig. 1, including liquid storing bag 1 and drainage tube 2,
The entrance of liquid storing bag 1 is inserted in the one end of the drainage tube 2, and at other end insertion myelencephalon hydrops, the bottom of the liquid storing bag 1 is connected with row
Liquid pipe 3, is provided with exhaust-control valve 4, the proportion also including densimeter 5 and receiving specific gravity test hydrops on the discharging tube 3
Box 6, the densimeter 5 is placed in the inside of proportion box 6, and the drainage tube 2 connects the entrance of proportion box 6 after liquid storing bag 1 is entered,
The top of the proportion box 6 set opening and with the inner space of liquid storing bag 1；Series connection negative pressure drainage ball 7 on the drainage tube 2.
A branch pipe 21 in parallel, sets in the branch pipe 21 on drainage tube 2 between the negative pressure drainage ball 7 and liquid storing bag 1
The check valve 211 for preventing hydrops adverse current is equipped with, the drainage tube 2 is provided for adjusting hydrops stream with the junction of branch pipe 21
To reversal valve 22.
The valve 23 that control drainage tube 2 circulates and closes is provided with the drainage tube 2.
The proportion box 6 is fixed on the tip position of the inner chamber of liquid storing bag 1.
The entrance of the proportion box 6 is arranged at bottom.
The liquid storing bag 1 is provided with the graduated scale 11 of the capacity of display.
The negative pressure suction ball 7 is provided with clip (not shown) or hook 71.
The volume of the liquid storing bag 1 is 550 milliliters
Also include positive/negative-pressure switch controller (not shown in figure, but according to description skilled artisans appreciate that),
The positive/negative-pressure switch controller sets proportion upper limit threshold X and proportion lower threshold Y respectively；The positive/negative-pressure switch controller
For receiving the specific gravity values α that densimeter is collected into, and by specific gravity values α and proportion upper limit threshold X, proportion lower threshold Y ratios
Compared with；The positive/negative-pressure switch controller compares the judgement signal that α ＞ X then export negative pressure drainage signal；The positive/negative-pressure switching
Controller compares the judgement signal that Y≤α≤X then exports Positve pressure signal, and the positive/negative-pressure switch controller compares α ＜
Y then exports the judgement signal for closing system signal；The reversal valve is used to receive the judgement signal of positive/negative-pressure switch controller, and
Realize the switching of device positive/negative-pressure drainage.
Normal human blood proportion be 1.050-1.060, average 1.055, and cerebrospinal fluid proportion be 1.002-1.008, averagely
1.005.When drainage-fluid proportion is more than 1.030, blood ratios are higher than cerebrospinal fluid in drainage-fluid, can switch to negative pressure drainage；When
When drainage-fluid proportion is less than 1.030, cerebrospinal fluid ratio is higher than blood in drainage-fluid, drainage system need to be switched into malleation；When drawing
Flow liquid proportion proportion is less than 1.010, or drainage flow can pull out drainage system less than daily 50 milliliters, because ought now drainage
The proportion of liquid is no better than cerebrospinal fluid proportion, illustrates do not had bleeding in wound, and what is drained is cerebrospinal fluid, and drainage need not
Will.
The step of drainage system positive/negative-pressure according to Fig. 2 is switched and determined method, the method includes：
The drainage-fluid that S1 will be gathered imports densimeter measurement by negative pressure, and drainage-fluid is overcome in the original location using negative pressure pressure difference
Gravity；Pass through so as to reach startup drainage-fluid, and accelerate the effect of flowing.
S2 starts the monitoring of specific gravity values α after densimeter enters working condition in drainage liquid pool；
S3 carries out the judgement of the specific gravity values α of drainage-fluid, and being compared with specific gravity values α needs the drainage-fluid proportion of negative pressure drainage
The upper limit threshold X and drainage-fluid proportion lower threshold Y that drainage need not be carried out；Enter S1 steps if α ＞ X, if Y≤α≤X
Into S4 steps, S5 steps are entered if α ＜ Y；
Negative pressure drainage is switched to Positve pressure by S4, and drainage-fluid is imported into densimeter using the malleation of siphon measures, then
Into S2 steps；The interference that negative pressure is measured drainage-fluid is reduced, accurate measurement is realized, drainage excess is reduced.
S5 closes the positive/negative-pressure drainage system of drainage-fluid.
The concrete numerical value of the drainage-fluid proportion upper limit threshold X for needing negative pressure drainage is 1.030, described to carry out
The concrete numerical value of the drainage-fluid proportion lower threshold Y of drainage is 1.010.
Below the preferred embodiment to the invention is illustrated, but the invention be not limited to it is described
Embodiment, those of ordinary skill in the art can also make a variety of etc. on the premise of without prejudice to the invention spirit
Same modification or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of drainage system for Cerebrospinal Fluid Leakage After Spinal Operation, including liquid storing bag and drainage tube, described drainage tube one end
Insertion liquid storing bag entrance, at other end insertion myelencephalon hydrops, the liquid storing bag bottom is connected with discharging tube, on the discharging tube
Exhaust-control valve is installed, it is characterised in that the proportion box also including densimeter and receiving specific gravity test hydrops, the proportion
Meter is placed in the inside of proportion box, and the drainage tube connects the entrance of proportion box after liquid storing bag is entered, and the proportion box top sets
Be open and with the inner space of liquid storing bag；Series connection negative pressure drainage ball on the drainage tube.
2. drainage system according to claim 1, it is characterised in that the drainage between the negative pressure drainage ball and liquid storing bag
A branch pipe in parallel on pipe, is provided with the check valve for preventing hydrops adverse current, the drainage tube and branch pipe in the branch pipe
Junction is provided for adjusting the reversal valve of hydrops flow direction.
3. drainage system according to claim 2, it is characterised in that control drainage tube circulation is provided with the drainage tube
With the valve closed.
4. drainage system according to claim 1, it is characterised in that the proportion box is fixed on the top of liquid storing bag inner chamber
Position.
5. drainage system according to claim 1, it is characterised in that the entrance of the proportion box is arranged at bottom.
6. drainage system according to claim 1, it is characterised in that the liquid storing bag is provided with the scale of the capacity of display
Chi.
7. drainage system according to claim 1, it is characterised in that the negative pressure suction ball is provided with clip or hook.
8. drainage system according to claim 1, it is characterised in that the liquid storing bag volume is 550 milliliters.
9. drainage system according to claim 2, it is characterised in that described positive and negative also including positive/negative-pressure switch controller
Crush-cutting changer controller sets proportion upper limit threshold X and proportion lower threshold Y respectively；The positive/negative-pressure switch controller is used to receive
The specific gravity values α that densimeter is collected into, and specific gravity values α is compared with proportion upper limit threshold X, proportion lower threshold Y；It is described just
Negative pressure switch controller compares the judgement signal that α ＞ X then export negative pressure drainage signal；The positive/negative-pressure switch controller compares
Go out the judgement signal that Y≤α≤X then exports Positve pressure signal, the positive/negative-pressure switch controller compares α ＜ Y and then exports pass
Close the judgement signal of system signal；The reversal valve is used to receive the judgement signal of positive/negative-pressure switch controller, and realizes device
The switching of positive/negative-pressure drainage.
10. the step of a kind of drainage system positive/negative-pressure is switched and determined method, the method includes：
The drainage-fluid that S1 will be gathered imports densimeter and measures by negative pressure, and drainage-fluid weight in the original location is overcome using negative pressure pressure difference
Power；Reach startup drainage-fluid to pass through, and accelerate the effect of flowing.
S2 starts the monitoring of specific gravity values α after densimeter enters working condition in drainage liquid pool；
S3 carries out the judgement of the specific gravity values α of drainage-fluid, and being compared with specific gravity values α needs the drainage-fluid proportion upper limit of negative pressure drainage
Threshold X and the drainage-fluid proportion lower threshold Y that drainage need not be carried out；Enter S1 steps if α ＞ X, enter if Y≤α≤X
S4 steps, enter S5 steps if α ＜ Y；
Negative pressure drainage is switched to Positve pressure by S4, and drainage-fluid is imported into densimeter using the malleation of siphon measures, and subsequently enters
S2 steps；The interference that negative pressure is measured drainage-fluid is reduced, accurate measurement is realized, drainage excess is reduced.
S5 closes the positive/negative-pressure drainage system of drainage-fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103324.3A CN106730055A (en) | 2016-12-05 | 2016-12-05 | It is a kind of to be switched and determined method for the drainage system of Cerebrospinal Fluid Leakage After Spinal Operation and positive/negative-pressure drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103324.3A CN106730055A (en) | 2016-12-05 | 2016-12-05 | It is a kind of to be switched and determined method for the drainage system of Cerebrospinal Fluid Leakage After Spinal Operation and positive/negative-pressure drainage |
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| Publication Number | Publication Date |
|---|---|
| CN106730055A true CN106730055A (en) | 2017-05-31 |
Family
ID=58883800
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|---|---|---|---|
| CN201611103324.3A Pending CN106730055A (en) | 2016-12-05 | 2016-12-05 | It is a kind of to be switched and determined method for the drainage system of Cerebrospinal Fluid Leakage After Spinal Operation and positive/negative-pressure drainage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107713987A (en) * | 2017-09-28 | 2018-02-23 | 莆田学院 | The computational methods of cerebrospinal fluid shunt flow detection |
| CN111714758A (en) * | 2019-03-19 | 2020-09-29 | 娄永利 | Drainage device for cerebrospinal fluid leakage after spinal surgery and use method thereof |
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| CN206566268U (en) * | 2016-12-05 | 2017-10-20 | 中国人民解放军第二军医大学第二附属医院 | A kind of drainage system for Cerebrospinal Fluid Leakage After Spinal Operation |
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| CN101209361A (en) * | 2006-12-30 | 2008-07-02 | 杭州申易医药生物科技有限公司 | Multifunctional drainage device |
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