CN100584393C - Cerebrospinal fluid external displacement instrument - Google Patents
Cerebrospinal fluid external displacement instrument Download PDFInfo
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- CN100584393C CN100584393C CN200710026631A CN200710026631A CN100584393C CN 100584393 C CN100584393 C CN 100584393C CN 200710026631 A CN200710026631 A CN 200710026631A CN 200710026631 A CN200710026631 A CN 200710026631A CN 100584393 C CN100584393 C CN 100584393C
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- cerebrospinal fluid
- pressure transducer
- roller rolling
- pressure
- connecting pipe
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Abstract
A kind of cerebrospinal fluid external displacement instrument comprises outer connecting pipe (1), pressure transducer (2), micro pump (4) and central controller (3); Promptly be divided into two branches behind the outer connecting pipe, pressure measurement branch connects pressure transducer, and pressure transducer exports central controller to; Micro pump is two-way roller rolling press pump, another branch tells drain and two branches of lavation (5,6) by three way cock (13) again after by two-way roller rolling press pump behind the outer connecting pipe, and two branches are by reversal valve (7) back external liquid containing bottle and fluid infusion bottle (8,9) respectively; Central controller has control line (10) to be connected respectively with reversal valve, pressure transducer, roller rolling press pump.The present invention is by a controller pressure-pipe type reversal valve of control and two-way roller rolling press pump; realized the switching of single pump drain and lavation; the pick off Isolation protector makes pressure transducer repeatedly to use; except connecting duct outer all the other form disposable tubing compoboards; cost simple in structure is low, makes that this instrument is easy to operate and safe reliably, is easy to promote the popularization use.
Description
Technical field
The present invention relates to a kind of cerebrospinal fluid external drainage replacement therapy device, especially relate to a kind of intelligent cerebrospinal fluid external displacement purging system, be clinical monitoring and treatment intracranial illness patient's Medical Instruments.
Background technology
The drain of cerebrospinal fluid, perfusion are meant respectively from human body and discharge cerebrospinal fluid, import medicine, liquid or the former human body cerebrospinal fluid after exterior washings, filtration to human body, displacement is meant the combination of drain and perfusion operation, promptly uses repeatedly drain and dabbling combination that cerebrospinal fluid is cleaned up.The method of traditional drainage of cerebrospinal fluid is to allow the external ventricle drainage pipe hanger in certain height, naturally flow out the pathologic cerebrospinal fluid, this method causes the phenomenon of siphon easily, can't be regularly, quantitatively, the automatic discharge cerebrospinal fluid of level pressure, displacement is also finished with the syringe one-in-and-one-out by artificial, waste time and energy, also can't understand the situation of change of intracranial pressure at that time, risk is very high.Intracranial pressure (ICP) measuring method of using at present, the glass pressure tube meter that also is to use that has is finished, by glass pressure tube meter being connected to the external ventricle drainage pipe, obtain patient's intracranial pressure data then by the position of the cerebrospinal fluid horizontal plane in the sight glass pipe, its troublesome poeration, real-time are bad.The Chinese patent communique once disclosed " a kind of cerebrospinal pressure monitoring and automatic flushing instrument " (patent No. ZL00227776.X), comprise box-shaped enclosure, puncture needle, pressure-measuring pipe, pressure transducer and ICP (monitor intracranial pressure monitor) (also being CSF drain displacement injection pressure monitoring controller), this patent has double pump and two schemes of single pump, double pump scheme cost is higher, the pump of single pump scheme is an one-way pump, before the one-way pump, after pipeline all have branch, four electrodynamic valves are contained in respectively to link in twos in four branches realizes drain, dabbling replacement, this scenario-frame complex parts is many, and the probability that breaks down increases; Also have, the pressure transducer of this patent directly is communicated with the drainage of cerebrospinal fluid passage, makes pressure transducer disposablely to use, and cost is higher; The suitable loaded down with trivial details length consuming time of complexity when the pipeline in drain displacement pipeline and the instrument is installed in addition, and the most important thing is pollutes easily.
Summary of the invention
First purpose of the present invention, just provide single pump realization cerebrospinal fluid (CSF) drain of a kind of employing or perfusion, pressure monitoring function, and only just can finish drain or dabbling handover operation with a reversal valve, cost simple in structure is low, installs cerebrospinal fluid external displacement instrument easy and simple to handle.
In addition, cerebrospinal fluid external displacement instrument of the present invention, pressure transducer also can repeatedly use, further reduce the cost, and the installation pipeline simple and fast, can not pollute.
For reaching above-mentioned first purpose, cerebrospinal fluid external displacement instrument of the present invention comprises outer connecting pipe, pressure transducer, micro pump and central controller; Promptly be divided into two branches behind the outer connecting pipe, pressure measurement branch connects pressure transducer, and pressure transducer exports central controller to; It is characterized in that: described micro pump is two-way roller rolling press pump, another branch tells drain and two branches of lavation by the three way cock again after by two-way roller rolling press pump behind the described outer connecting pipe, and two branches are by external liquid containing bottle and fluid infusion bottle respectively behind the reversal valve; Described central controller has control line to be connected respectively with reversal valve, pressure transducer, roller rolling press pump.
Described reversal valve is the pressure-pipe type reversal valve: the upper surface of valve seat has two parallel slots, and two branched pipes of drain and lavation are stuck in two parallel slots, pin type valve pressing plate when being equipped with between groove, and it is rotated by the motor band under the valve seat.
On the basis of abovementioned technology, the present invention also can do further improvement:
Be divided into two branches by three way cock or three-way cock joint behind the described outer connecting pipe.
Described pressure measurement branch joins by pick off Isolation protector and pressure transducer.
Described pick off Isolation protector is one section path trachea that is full of gas, one termination pressure measurement branch, another termination pick off.That is to say the pipe isolation of one deck air insulated thin film with liquid and back air section, fixed sensing is joined on the Guan Caiyu instrument of back air section.
The preceding transfusion filter that passes through of described lavation branch's access fluid infusion bottle.
Threeway behind the described two-way roller rolling press pump, transfusion filter, pick off Isolation protector, drain and the synthetic disposable tubing compoboard of lavation branch group.
Threeway behind the described two-way roller rolling press pump, pick off Isolation protector, drain and lavation branch group are synthesized a disposable tubing compoboard.
Beneficial effect: cerebrospinal fluid external displacement instrument of the present invention, by a controller pressure-pipe type reversal valve of control and two-way roller rolling press pump, realized the switching of single pump drain and lavation, thereby reach the cerebrospinal fluid displacement purpose, the liquid sensor Isolation protector makes pressure transducer repeatedly to use, cost simple in structure is low, and the probability that breaks down significantly reduces; The disposable tubing compoboard makes that this instrumentation simple installation is safe and reliable, is easy to promote the popularization use.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the theory of constitution sketch map of the embodiment of the invention.
Fig. 2 is the drain Principle of Process sketch map of the embodiment of the invention.
Fig. 3 is the filling process principle schematic of the embodiment of the invention.
Among the figure: 1-outer connecting pipe, 2-pressure transducer, 3-controller; 4 two-way roller rolling press pumps, 5-drain branch, 6-lavation branch; 7-pressure-pipe type reversal valve; the 8-liquid containing bottle, 9-fluid infusion bottle, 10-control line; three way cock behind the 11-outer connecting pipe; 12-pick off Isolation protector, three way cock behind the two-way roller rolling press pump of 13-, the 14-filter of infusing.
The specific embodiment
As can be seen from FIG., the cerebrospinal fluid external displacement instrument of the embodiment of the invention comprises outer connecting pipe 1, pressure transducer 2, two-way roller rolling press pump 4 and central controller 3; Outer connecting pipe 1 back is divided into two branches by three way cock 11, wherein pressure measurement branch connects pressure transducer 2, pressure transducer 2 export central controller 3 to, another branch behind the outer connecting pipe tells drain and 5,6, two branches of two branches of lavation by pressure-pipe type reversal valve 7 backs external liquid containing bottle and fluid infusion bottles 8,9 respectively by three way cock 13 again after by two-way roller rolling press pump 4 again; 3 of central controllers have control line 10 to be connected respectively with reversal valve 7, pressure transducer 2, roller rolling press pump 4.
Pressure measurement branch joins by pick off Isolation protector 12 and pressure transducer 2; this routine pick off Isolation protector 12 is actually one section small diameter tube; the inside is full of air; so the pressure of cerebrospinal fluid can be delivered to pressure transducer 2 by air pressure but can not touch; make pressure transducer 2 can repeatedly use (septate pick off Isolation protector in the middle of certainly, also can being).
Just with the conduit after the three way cock behind the outer connecting pipe 1 11, the three way cock 11, the 4 back threeways 13 of two-way roller rolling press pump, sensor branch, drain and the synthetic disposable tubing compoboard of lavation branch group, it is convenient to change during use when design for this example.
Also can be with the threeway behind the outer connecting pipe 1 11, conduit, the 4 back threeways 13 of two-way roller rolling press pump, sensor branch and the synthetic disposable tubing compoboard of Isolation protector 12, drain and lavation branch group.
The pipe of putting of this example is to place pipe through waist, but also puts pipe through the ventricles of the brain, and this does not give unnecessary details.
On the central controller 3 computer chip is housed, peripheral hardware display operation screen can carry out Computerized intelligentization control and demonstration automatically according to menu.
Two-way pump 4 of the present invention can accurately be counted the discrepancy amount, has control line 10 to be connected with controller 3, by the rotating speed of controller 3 according to enumeration data control pump 4; The fluid pressure of cerebrospinal fluid (CSF) is delivered to pressure transducer 2 after by Isolation protector 12, and pressure transducer 2 changes pressure into the signal of telecommunication and is sent to controller 3, and can show showing on the control panel.
When the needs drain, the two-way roller rolling press pump 4 of controller 3 control clockwise rotates, on the contrary when needing perfusion then.If then alternately drain, perfusion get final product in the time of will replacing.Referring to Fig. 2 and Fig. 3.
The present invention is applicable to that medical institutions carry out automatic jet, dabbling replacement operator to patient's cerebrospinal fluid, intracranial pressure (ICP) is carried out the scope of successive monitoring operation.
The present invention carries out drain repeatedly, the replacement operator of dabbling extracorporeal circulation by the present clinical drainage of cerebrospinal fluid pipe that uses always to patient's cerebrospinal fluid, reach the purpose of cleaning the pathologic cerebrospinal fluid, at the drain replacement process, instrument detects intracranial pressure continuously, according to intracranial pressure allowed band and the parameters such as drain, irrigation flow that the operator sets, automatically, regularly, quantitatively, level pressure finish patient's cerebrospinal fluid is carried out drain, dabbling replacement operator.
The present invention is a foundation with patient's intracranial cerebrospinal pressure force parameter, guarantees the safety and the effectiveness of whole drain, perfusion and replacement process.
The present invention can substitute fully and adopt glass tubing to measure the manual manometry of intracranial pressure at present, the natural drainage that improves present clinical use can't come the state of quantitative management cerebrospinal fluid according to physiological change, and overcoming manual manometry can't carry out the defective that successive collection, contrast, statistics, pathological analysis and data are preserved to patient's intracranial pressure parameter.
As a kind of novel cerebrospinal fluid extracorporeal circulation equipment, with the traditional artificial heart, artificial kidney, artificial liver similarity, be exactly that this instrument has used high-precision two-way micro-roller pump to finish the cerebrospinal fluid of human body or the conveying of cleaning pharmaceutical liquid, and reversal valve also uses the pressure-pipe type reversing mode, its technology maturation, pollution-free fully to cerebrospinal fluid or the medicine carried.
The present invention is made up of main frame and a disposable pipeline group plywood; main frame is made up of micro-roller pump, pressure transducer, pipeline reversal valve (pressure-pipe type), display operation screen and central control system, and the pipeline group plywood uses silicone rubber medical catheter, threeway, pick off Isolation protector to be combined into a pipeline group plywood.
The present invention is to the drain of cerebrospinal fluid and metathetically manipulated high-precision small-sized roller rolling press pump and finish, this charge pump is to realize the free of contamination conveying of liquid in the pipeline by the transmission pipeline outer wall being carried out roll extrusion, this occlusion pump be widely used in heart-lung machine, artificial kidney, artificial liver, etc. the field to the blood of human body, the operation that medicine carries out extracorporeal circulation, be a kind of sophisticated, reliable, high-precision, complete isolated pollution-free equipment for liquid transportation.The present invention uses a pressure-pipe type reversal valve to finish operation to the switching of liquid conducting pipes.The present invention uses a pressure transducer and pick off Isolation protector to finish continuous monitoring and alarm operation to patient's intracranial pressure.
The present invention has following characteristics:
Contactless patient's appliance applications partly.
External ventricle drainage pipe commonly used was finished all operations were of pressure monitor, drainage and displacement during use was at present clinical, need not Patient is installed other pipelines or sensor.
1. use the disposable pressure sensor protector that has disinfected to be connected with the drainage of cerebrospinal fluid passage, do with air Transmitting medium is realized the free of contamination pressure measurement mode of intracranial pressure.
2. use the liquid supplying way (use roller rolling press pump) of free of contamination full isolation.
3. adopt disposable duct board, make pipeline quick and easy for installation.
4. the intellectualized operation system automatically finishes pressure measurement, drainage, perfusion and the displacement work of cerebrospinal fluid.
Claims (8)
1, a kind of cerebrospinal fluid external displacement instrument comprises outer connecting pipe (1), pressure transducer (2), micro pump (4) and central controller (3); Promptly be divided into two branches behind the outer connecting pipe, pressure measurement branch connects pressure transducer, and pressure transducer exports central controller to; It is characterized in that: described micro pump is two-way roller rolling press pump, another branch tells drain and two branches of lavation (5,6) by three way cock (13) again after by two-way roller rolling press pump behind the described outer connecting pipe, and two branches are by reversal valve (7) back external liquid containing bottle and fluid infusion bottle (8,9) respectively; Described central controller has control line (10) to be connected respectively with reversal valve, pressure transducer, roller rolling press pump.
2, cerebrospinal fluid external displacement instrument according to claim 1, it is characterized in that: described reversal valve (7) is the pressure-pipe type reversal valve: the upper surface of valve seat has two parallel slots, two branched pipes of drain and lavation are stuck in two parallel slots, pin type valve pressing plate when being equipped with between groove, it by the motor-driven under the valve seat can left and right commentaries on classics or puts.
3, cerebrospinal fluid external displacement instrument according to claim 2 is characterized in that: be divided into two branches by three way cock or three way cock's switch (11) behind the described outer connecting pipe.
4, cerebrospinal fluid external displacement instrument according to claim 3 is characterized in that: described pressure measurement branch joins by pick off Isolation protector (12) and pressure transducer.
5, cerebrospinal fluid external displacement instrument according to claim 4 is characterized in that: described pick off Isolation protector (12) is one section path trachea that is full of gas, one termination pressure measurement branch, another termination pick off.
6, cerebrospinal fluid external displacement instrument according to claim 5 is characterized in that: the preceding transfusion filter (14) that passes through of described lavation branch's access fluid infusion bottle.
7, cerebrospinal fluid external displacement instrument according to claim 6 is characterized in that: three way cock behind three way cock, conduit, the two-way roller rolling press pump, transfusion filter, pick off Isolation protector, drain and the synthetic disposable tubing compoboard of lavation branch group behind the described outer connecting pipe.
8, cerebrospinal fluid external displacement instrument according to claim 6 is characterized in that: synthetic disposable tubing compoboard of three way cock, drain and lavation branch group behind three way cock, conduit, the two-way roller rolling press pump behind the described outer connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710026631A CN100584393C (en) | 2007-01-31 | 2007-01-31 | Cerebrospinal fluid external displacement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710026631A CN100584393C (en) | 2007-01-31 | 2007-01-31 | Cerebrospinal fluid external displacement instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101011610A CN101011610A (en) | 2007-08-08 |
| CN100584393C true CN100584393C (en) | 2010-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710026631A Expired - Fee Related CN100584393C (en) | 2007-01-31 | 2007-01-31 | Cerebrospinal fluid external displacement instrument |
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| CN (1) | CN100584393C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133096B (en) * | 2011-03-09 | 2012-09-26 | 深圳市德普施科技有限公司 | Treatment instrument for intracranial pressure monitoring and drainage and replacement of cerebrospinal fluid |
| US8960010B1 (en) | 2013-12-23 | 2015-02-24 | Fresenius Medical Care Holdings, Inc. | Automatic detection and adjustment of a pressure pod diaphragm |
| CN104707237A (en) * | 2015-03-26 | 2015-06-17 | 黄卫国 | Automatic control device for prostate dilation operation |
| JP6646395B2 (en) | 2015-09-28 | 2020-02-14 | キヤノン株式会社 | Information processing apparatus and method, information processing system, computer program |
| CN108030964A (en) * | 2018-01-25 | 2018-05-15 | 孙益虎 | A kind of oral surgery multifunctional drainage device |
| CN114588494A (en) * | 2022-02-24 | 2022-06-07 | 中南大学湘雅医院 | Pressure-measuring liquid-discharging injection device for cerebrospinal fluid replacement |
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2007
- 2007-01-31 CN CN200710026631A patent/CN100584393C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101011610A (en) | 2007-08-08 |
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Granted publication date: 20100127 Termination date: 20130131 |