CN208678001U - A kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe - Google Patents
A kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe Download PDFInfo
- Publication number
- CN208678001U CN208678001U CN201721051154.9U CN201721051154U CN208678001U CN 208678001 U CN208678001 U CN 208678001U CN 201721051154 U CN201721051154 U CN 201721051154U CN 208678001 U CN208678001 U CN 208678001U
- Authority
- CN
- China
- Prior art keywords
- counterflow
- preventing
- cerebrospinal fluid
- drainage
- pipe
- 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
- External Artificial Organs (AREA)
Abstract
The utility model relates to the field of medical instrument technology, more particularly to a kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe, including pipeline, connector, counterflow-preventing device, its counterflow-preventing device is in only to export, the hollow cavity shape that entrance is in communication with the outside, it is in interior tubulose that counterflow-preventing device entrance extends to hollow cavity, interior pipe end, which is provided with, converges to flat tubular film to export direction, the outlet of counterflow-preventing device, entrance is correspondingly arranged on outlet connection, inlet attack, pipeline is both ends with pipe joint and fluid-tight elastic hose, the pipe joint of pipe ends can be with counterflow-preventing device outlet connection, inlet attack at least one end is mutually butted and mutually locking, make to form fluid passage between counterflow-preventing device and pipeline, by cooperating peristaltic pump, cerebrospinal fluid can be remained quantitative at the uniform velocity to extract out, and prevent cerebrospinal fluid along pipeline reverse flow, patient can be improved to exist Safety in use process, and can reduce psychological burden when nursing and entourage's treatment.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe.
Background technique
Cerebrospinal fluid is filled in each ventricles of the brain, brain pond, cavum subarachnoidale, myelocoele and Lumbar catheter, in colorless and transparent
Liquid is generated by the choroid plexus in the ventricles of the brain, to maintaining the relatively stable of cranium pressure to play an important role, when the central nervous system of patient
System occur lesion or it is impaired when, the circulating path that metabolic disorder easily causes cerebrospinal fluid is obstructed, cerebrospinal fluid generate rate be higher than inhale
Receive rate, intracranial pressure increases or cerebrospinal fluid is by cause pathogeny imcrobe infection, need to by be persistently discharged the excessive cerebrospinal fluid of encephalic with
Maintain cranium pressure stable and treatment infection, the method for generalling use extraventricular drainage or Lumbar cistern tube drainage, by it is excessive, felt
The cerebrospinal fluid of dye is discharged.
In drainage process, ideal state is the discharge cerebrospinal fluid for continuing and maintaining at the uniform velocity, is usually taken every 24 hours
The drainage way of total amount 200-300mL keeps encephalic cerebrospinal fluid amount persistently to maintain normal level.Currently based on equipment limit,
To avoid because draining excessively or drainage is too fast, in the process patient need it is round-the-clock be maintained at continue to guard closely under to drawing
Flow and drainage speed are managed, to prevent herniation secondary, intracranial hemorrhage, the symptoms such as low intracranial pressure and pneumoencephalos；And drainage at present
In the process, when drainage pipe lacks backflow preventing structure, the drain operation of mistake or the placement of a liquid-collection bag high position, it is easy to cause cerebrospinal fluid
Reflux causes intracranial infection；But at present due to reasons such as the shortages of medical resource, usual doctor is difficult to ensure round-the-clock right
The treatment of patient, and the knowledge in terms of patient and/or their representative teach in relation to external drainage and monitoring of having to, to provide
Certain auxiliary, but this also the same risk for also bringing potentiality.
Summary of the invention
The purpose of this utility model is to provide one kind to maintain at the uniform velocity to extract out by cerebrospinal fluid, and prevents cerebrospinal fluid along pipe
Road reverse flow can improve the safety of patient in use, and can reduce nursing and the psychological burden of entourage.
To achieve the above object, the utility model is implemented using following technological means:
A kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe, including pipeline, connector, counterflow-preventing device, counterflow-preventing device in only outlet,
The hollow cavity shape that entrance is in communication with the outside, it is in interior tubulose that counterflow-preventing device entrance extends to hollow cavity, and interior pipe end is provided with
Flat tubular film is converged to export direction, the outlet of counterflow-preventing device, entrance are correspondingly arranged on outlet connection, inlet attack,
Pipeline is both ends with pipe joint and fluid-tight elastic hose, and the pipe joint of pipe ends can be exported with counterflow-preventing device
Connector, inlet attack at least one end are mutually butted and mutually locking, makes to form fluid passage between counterflow-preventing device and pipeline.
In above-mentioned technical proposal, the counterflow-preventing device outlet is set as the tee tube that hollow cavity is led in one end, threeway
Pipe is correspondingly arranged on three-way valve, and the outlet of tee tube two is provided with outlet connection.
In above-mentioned technical proposal, the interior pipe end is in outer swollen shape, and diameter is no more than one times of inlet diameter.
Further, the tubular film converges to tubular film to export direction flat by the way that heat seal band is arranged in two sides
It is flat-shaped.
Further, the inner tube length is no more than a quarter of tubulose film length；The length of tubular film between
The half of hollow cavity height is to 2/3rds.
Further, the volume of the hollow cavity is 10-80cm3。
In above-mentioned technical proposal, the pipe material is PVC, TPU, any one in silica gel, and the pipeline is long
Degree is 30-80cm.
As a kind of effective plan of establishment, it is common that the connector can be used pagoda connector, female Luer etc., uses
In the pipeline banjo fixing butt jointing of medical instrument, it is preferred that using to locking-type female Luer, joint can be further reduced upon engagement
The bad phenomenon being separated from each other.
Further, the inlet attack of the counterflow-preventing device is at least the female Luer of diversity with an outlet connection.
As a kind of effective plan of establishment, which is also configured with peristaltic pump, and the Pipe installing is in peristaltic pump
Extruding pump head at.
The utility model at least has following usefulness:
1. careless in inadvertent operation by existing drainage device and operating method during for drainage of cerebrospinal fluid
In the case of will lead to cerebrospinal fluid backflow phenomena, to cause fatal intracranial infection, this drainage tube is by being set to hollow cavity
Export direction converges to flat tubular film, under the action of the negative sense attraction of low basis weight, is still able to maintain preferable anti-
Reverse flow capabilities, and tubular film contraction section in pressure drop can be voluntarily closed, and cerebrospinal fluid reflux is avoided to cause adverse effect；
It is to realize cerebrospinal fluid 2. round-the-clock quantitative negative sense attraction can be provided for the operation that cerebrospinal fluid is discharged safely
The key being at the uniform velocity discharged safely can be realized by engaging this drainage tube with the pump housing that can provide quantitative negative sense attraction
The counterflow-preventing of cerebrospinal fluid is at the uniform velocity extracted out, it is preferred that it can provide small " pillow " the shape flow liquid rapidly, continuously formed using peristaltic pump,
Make to pump out the characteristics of fluid is flowed in stable state, cerebrospinal fluid can be discharged with constant low rate, clinical manipulation
In, when whole day maintains required at the uniform velocity (usually 8-12.5mL is per hour) extraction, the influence for patient is smaller, encephalic brain
The generation and absorption of spinal fluid can maintain dynamic equilibrium, and hernia cerebri can be greatly lowered, intracranial hemorrhage, the complication such as low intracranial pressure and pneumoencephalos
Generation, reduce doctor and nursing and the energy that expends when entourage takes care of patient.
Detailed description of the invention
Fig. 1 is a kind of mounting means schematic diagram of the utility model；
Fig. 2 is the utility model another kind mounting means schematic diagram；
Fig. 3 is the diagrammatic cross-section of the utility model counterflow-preventing device.
Specific embodiment
In order to be more easily understood the purpose of this utility model, technical solution and advantage, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain that this is practical new
Type is not used to limit the utility model.
Embodiment
A kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe, including pipeline 2, connector, counterflow-preventing device 1 respectively connect in the present embodiment
Head is all made of the dock female Luer of same model；As shown in figure 3, its counterflow-preventing device 1 is in communication with the outside in only outlet, entrance
, height about radius 1.5cm, 10 shape of hollow cavity of high 4cm, it is in inner tube 12 that 1 entrance of counterflow-preventing device extends to hollow cavity 10
Shape, 12 end of inner tube are provided with and converge to flat tubular film 14 to export direction, and the outlet of counterflow-preventing device 1, entrance correspondence are set
Be equipped with outlet connection 131, inlet attack 11, for improve counterflow-preventing device 1 flow direction can identification, and keep engaging between connector tight
Soundness is respectively set to the female and male connector of locking-type female Luer as outlet connection 131 and inlet attack 11, can reduce operation
In the process to the misconnection in 1 direction of counterflow-preventing device；
In the present embodiment, to reduce influence of the cerebrospinal fluid stickum for tubular film 14, and ensure cerebrospinal fluid by
It can be smoothly discharged when to negative sense attraction, setting 12 point diameter of inner tube is 0.5-0.8cm, expands 12 end of inner tube and is simultaneously allowed to
In outer swollen shape, and diameter is no more than one times of inlet diameter, and tubular film 14 is from 12 end of inner tube to 14 export direction of tubular film, in two
Heat seal band is arranged in side, converges to tubular film 14 to export direction flat, passes through the design, the cross-sectional area phase of tubular film 14
It should expand, the cerebrospinal fluid bonding tubular film 14 with certain viscosity can be effectively reduced, enable cerebrospinal fluid is smooth to pass through, and this is anti-reverse
The counterflow-preventing device 1 that the end convergence shape tubular film 14 of flow structure is is in a high position in laterally disposed or inversion and liquid-collection bag 4
When, as long as in the state of maintaining lasting negative sense attraction, cerebrospinal fluid continually and steadily can correctly flow and avoid adverse current, when negative
When stopping to attraction, because air pressure apolipsis restrains 14 end of tubular film and is closed, cerebrospinal fluid is stranded in hollow cavity 10,
It can not be through inlet return；
For the counterflow-preventing performance for further increasing counterflow-preventing device 1, of length no more than 14 length of tubular film of inner tube 12 is set
A quarter, and the length of tubular film 14 between 10 height of hollow cavity half to 2/3rds, with this solution,
Cerebrospinal fluid be full of hollow cavity 10, and the negative sense attraction of 1 export direction rear end of counterflow-preventing device because pipeline 2 be blocked or suppress,
When making negative sense attraction rapid drawdown, sufficiently long tubular film 14 maintains in 14 middle section of tubular film with 12 end middle section of inner tube enough
The interval of convergence, the backflow phenomenon of cerebrospinal fluid when can prevent negative pressures rapid drawdown；
The pipeline 2 of this drainage tube is both ends with pipe joint and fluid-tight elastic hose, the pipeline at 2 both ends of pipeline
Connector can be mutually butted with 1 outlet connection 131 of counterflow-preventing device, at least one end of inlet attack 11 and mutually locking, makes counterflow-preventing device 1
Fluid passage is formed between pipeline 2.As shown in figure 3, setting 1 outlet connection 131 of counterflow-preventing device, inlet attack 11 are respectively pair
Locking-type female Luer female with to locking-type female Luer male connector, when the connector of intracerebral or Lumbar catheter inner catheter 6 be to match to lock
It when formula female Luer female, uses two sides for the pipeline 2 to locking-type female Luer of diversity, and uses intracerebral as shown in Figure 2
Or the mode of Lumbar catheter inner catheter 6- pipeline 2- counterflow-preventing device 1- liquid-collection bag 4 is attached, or pipeline 2 is bonded to counterflow-preventing device
1 rear end is attached by the way of intracerebral or Lumbar catheter inner catheter 6- counterflow-preventing device 1- pipeline 2- liquid-collection bag 4；
When intracerebral or 6 connector model of Lumbar catheter inner catheter are to locking-type female Luer male connector, it can be used and directly adopt two
Side is to adjust hose 5 to the direction of locking-type female Luer female to assist, and is formed in intracerebral or Lumbar catheter as shown in Figure 1
The direction conduit 6- adjusts the mode of hose 5- counterflow-preventing device 1- pipeline 2- liquid-collection bag 4, equally can guarantee the liquid to be formed and correctly be flowed to
Body is collected access and is the pipeline 2 to locking-type female Luer female using two sides, is carried out by the way of as shown in Figure 2 certainly
It is correspondingly connected with, can equally obtain identical effect.
It is directed to the fluid path that cerebrospinal fluid is collected forming above-mentioned two class, using peristaltic pump 3 as supply low basis weight, surely
Determine negative sense attraction power mechanism, in the process, small " pillow " the shape flow liquid that it rapidly, continuously is formed using peristaltic pump 3 makes
The characteristics of fluid is flowed in stable state is pumped out, there is good suitability for the correspondence gimmick of cerebrospinal fluid abstraction
Effect.At the installation to the extruding pump head of peristaltic pump 3 of pipeline 2 by this drainage tube, the extruding of pump head is squeezed using peristaltic pump 3
Effect is alternately squeezed and released relative to waterproof elastic delivery hose to pump cerebrospinal fluid, and 2 material of pipeline is
Any one in PVC, TPU, silica gel, being preferably provided with 2 length of pipeline is 40-50cm, can reduce that pipeline 2 is too long not to be paid attention to being pressed
When processed, and lead to the situation of negative sense attraction.
By using this drainage tube, cooperate peristaltic pump 3, doctor can according to patient body situation, reasonable set peristaltic pump 3
Aspiration rate is normally set up fixed suction 8-12.5mL per hour, and whole day is maintained to operate, relative to existing cumbersome and safety
The gimmick of lower drainage of cerebrospinal fluid has biggish progressive, it is preferred that finger-like peristaltic pump 3 is used, if infusion pump is as negative sense
Attraction provides device, and the safety and stability of pumping have obtained the approval in medical practice.
For some patientss, doctor needs the cerebrospinal fluid ingredient for patient to analyze, to reduce tube drawing to patient's
It influences, side can be exported to counterflow-preventing device 1, be set as the tee tube that hollow cavity 10 is led in one end, tee tube is correspondingly arranged on
Three-way valve 133, as shown in figure 3, tee tube two export using to locking-type female Luer as outlet connection 131, and two outlets
Connector 131 is the female Luer of diversity, when normal under state, second outlet connector 132 is closed by using cover cap, works as needs
When carrying out cerebrospinal fluid sampling analysis, doctor can engage discharge pipe by second outlet connector 132, advantageously carry out cerebrospinal fluid sampling
Analysis, and volume about 10-80cm is put aside in hollow cavity 103Cerebrospinal fluid when, the cerebrospinal fluid of suitable volume can be through discharge pipe
Smooth discharge, and can reduce direct tube drawing extract when, the excessive injury for causing pressure change to brain of instantaneous discharge amount.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (10)
1. a kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe, including pipeline, connector, counterflow-preventing device, which is characterized in that described is anti-reverse
For stream device in the hollow cavity shape that only outlet, entrance are in communication with the outside, it is in interior tubulose that counterflow-preventing device entrance extends to hollow cavity, interior
Pipe end is provided with and converges to flat tubular film to export direction, and the outlet of counterflow-preventing device, entrance are correspondingly arranged on outlet and connect
Head, inlet attack, pipeline is both ends with pipe joint and fluid-tight elastic hose, the pipe joints of pipe ends can be with
Counterflow-preventing device outlet connection, inlet attack at least one end are mutually butted and mutually locking, makes to be formed between counterflow-preventing device and pipeline
Fluid passage.
2. a kind of counterflow-preventing as described in claim 1 at the uniform velocity drainage of cerebrospinal fluid pipe, which is characterized in that the counterflow-preventing device goes out
Mouth is set as the tee tube that hollow cavity is led in one end, and tee tube is correspondingly arranged on three-way valve, and the outlet of tee tube two is all provided with
It is equipped with outlet connection.
3. a kind of counterflow-preventing as described in claim 1 at the uniform velocity drainage of cerebrospinal fluid pipe, which is characterized in that the interior pipe end is in
Outer swollen shape, and diameter is no more than one times of inlet diameter.
4. a kind of counterflow-preventing as claimed in claim 3 at the uniform velocity drainage of cerebrospinal fluid pipe, which is characterized in that the tubular film passes through
Heat seal band is set in two sides, converges to tubular film to export direction flat.
5. a kind of counterflow-preventing as claimed in claim 4 at the uniform velocity drainage of cerebrospinal fluid pipe, which is characterized in that the inner tube length is not
More than a quarter of tubulose film length；The length of tubular film between hollow cavity height half to 2/3rds.
6. a kind of counterflow-preventing as claimed in claim 5 at the uniform velocity drainage of cerebrospinal fluid pipe, which is characterized in that the hollow cavity
Volume is 10-80cm3。
7. a kind of counterflow-preventing as described in claim 1 at the uniform velocity drainage of cerebrospinal fluid pipe, which is characterized in that the pipe material is
Any one in PVC, TPU, silica gel, the duct length are 30-80cm.
8. a kind of at the uniform velocity drainage of cerebrospinal fluid pipe of the counterflow-preventing as described in claim 1-7 any one, which is characterized in that described
Connector be female Luer.
9. a kind of counterflow-preventing as claimed in claim 8 at the uniform velocity drainage of cerebrospinal fluid pipe, which is characterized in that the counterflow-preventing device
Inlet attack is at least the female Luer of diversity with an outlet connection.
10. a kind of at the uniform velocity drainage of cerebrospinal fluid pipe of the counterflow-preventing as described in claim 1-7 any one, which is characterized in that also
Including peristaltic pump, the Pipe installing is at the extruding pump head of peristaltic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051154.9U CN208678001U (en) | 2017-08-21 | 2017-08-21 | A kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051154.9U CN208678001U (en) | 2017-08-21 | 2017-08-21 | A kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208678001U true CN208678001U (en) | 2019-04-02 |
Family
ID=65874487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721051154.9U Expired - Fee Related CN208678001U (en) | 2017-08-21 | 2017-08-21 | A kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208678001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558125A (en) * | 2019-04-15 | 2020-08-21 | 华中科技大学同济医学院附属协和医院 | Intelligent intracranial cerebrospinal fluid drainage device |
-
2017
- 2017-08-21 CN CN201721051154.9U patent/CN208678001U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558125A (en) * | 2019-04-15 | 2020-08-21 | 华中科技大学同济医学院附属协和医院 | Intelligent intracranial cerebrospinal fluid drainage device |
| CN111558125B (en) * | 2019-04-15 | 2022-03-11 | 华中科技大学同济医学院附属协和医院 | Intelligent intracranial cerebrospinal fluid drainage device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102715898A (en) | Bladder function recovery apparatus | |
| CN208678001U (en) | A kind of counterflow-preventing at the uniform velocity drainage of cerebrospinal fluid pipe | |
| CN107929833A (en) | A kind of anti-backflow negative pressure drainage device | |
| CN109010944B (en) | Closed drainage device | |
| CN205434517U (en) | Pancreas gravity intestinal irrigation device | |
| CN217219839U (en) | Coronary artery direct irrigation head with telescopic length in minimally invasive cardiac surgery | |
| CN208212284U (en) | The anti-urine protection urinary catheter that overflows of one kind | |
| CN213723901U (en) | Minimally invasive surgery drainage tube for cosmetic plastic surgery | |
| CN202446553U (en) | Bladder irrigator for urinary surgery | |
| CN215839225U (en) | Hysteroscope filter capable of preventing air bubble embolism | |
| CN208031572U (en) | Backbone endoscopic operation catchments kit | |
| CN209611907U (en) | Adjustable disposable Oxygen tube | |
| CN207768824U (en) | A kind of anti-blood back infusion connector being vented | |
| CN205549114U (en) | A venous transfusion ware for preventing blood returns | |
| CN104107460B (en) | A kind of ventricles of the brain-abdominal cavity shunt device of cerebrospinal fluid | |
| CN205126891U (en) | Tumour chemotherapy is with nursing bag | |
| CN221618088U (en) | Ventricular external drainage device | |
| CN209662290U (en) | A kind of simple newborn's indwelling catheter | |
| CN118178776B (en) | Intestinal stoma enema device | |
| CN104587569B (en) | A kind of Novel bubble-prevention infusion device | |
| CN216496742U (en) | Pericardial drainage device | |
| CN208943102U (en) | A kind of blood purification infusion connecting tube | |
| CN219646224U (en) | Nasal cavity flushing pipeline without damaging nasal cavity | |
| CN209204267U (en) | A kind of Medical enemator | |
| CN215274857U (en) | Negative pressure drainage bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20200821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |