CN207493002U - Closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure - Google Patents
Closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure Download PDFInfo
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- CN207493002U CN207493002U CN201720547641.8U CN201720547641U CN207493002U CN 207493002 U CN207493002 U CN 207493002U CN 201720547641 U CN201720547641 U CN 201720547641U CN 207493002 U CN207493002 U CN 207493002U
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Abstract
A kind of closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure; it is arranged on the water seal pipeline in closed drainage for one; the closed drainage includes brine drum and drainage bottle; the water seal pipeline is used to connect the drainage lumens of the drainage bottle and the brine chamber of brine drum; one end of the water seal pipeline is connect with the water seal interface tube on the drainage bottle; the other end of the water seal pipeline is inserted into the liquid level of physiological saline in the brine chamber hereinafter, being provided with an at least current limliting buffer structure in the water seal pipeline.
Description
Technical field
The utility model is related to drainage device of thoracic cavity technical fields, particularly relate to a kind of water on closed-type thoracic drainage device
Envelope system, specially a kind of closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure.
Background technology
In the field of medicine, it may result in lung there are when pneumatosis and hydrops in the thoracic cavity of patient and collapse, under respiratory function
Drop or even threat to life, closed drainage of pleural cavity will be usually carried out to such patient.Most commonly used drainage in existing clinical treatment
Device is thoracic cavity drainage bottle, including drainage lumens, salt water cavity, drainage tube, water sealing (sealing water) pipe, the drainage lumens have respectively with drainage tube and
The drainage tube interface and water seal interface tube, the other end of the water sealing (sealing water) pipe of water sealing (sealing water) pipe connection are inserted in the life in the salt water cavity
The liquid level of brine is managed hereinafter, drainage extension tube is connected with established drainage tube, during expiration, drainage lumens are drawn in barotropic state
Gas or liquid in stream chamber, which pass through, drains extension tube inflow drainage bottle, and the air in drainage bottle passes through water seal bend pipe and water sealing (sealing water) pipe
Brine drum is discharged into so as to discharge；During air-breathing, pleural cavity is in negative pressure state, is attached thereto logical drainage bottle also in negative pressure, physiology salt
Water will rise from water sealing (sealing water) pipe, stop when gravity caused by the water column of rising is equal with the negative pressure in drainage lumens, then into
Enter the expiratory phase of next respiratory activity.Such process carries out that the gas-liquid in drainage lumens can be drawn again and again,
So as to reach the therapeutic purposes of very multiple, chest drainage and lung.The technology of representative has the patent No.：It is 201620319987.8 disclosed
A kind of breathing coordinated type negative pressure drainage device of thoracic cavity.If physiological saline is not added in salt water cavity, available for general drainage.
Utility model content
The purpose of this utility model is to provide a kind of closed drainage water seals with counterflow-preventing overvoltage protection buffer structure
System, technical problem to be solved are：Water sealing (sealing water) pipe in common flow diverter is merely as a connection drainage
The circulation duct of chamber and salt water cavity, can not limit chest disengaging flow velocity, when thoracic cavity disengaging flow velocity is too fast, vertical diaphragm pendulum can be caused
It is dynamic.
In order to solve the above technical problems, the utility model provides a kind of enclosed with counterflow-preventing overvoltage protection buffer structure
Drain seal water system, water seal pipeline in closed drainage be arranged on for one, the closed drainage include brine drum and
Drainage bottle, the water seal pipeline are used to connect the drainage lumens of the drainage bottle and the brine chamber of brine drum, the water seal pipeline
One end is connect with the water seal interface tube on the drainage bottle, and the other end of the water seal pipeline is inserted into physiology salt in the brine chamber
The liquid level of water is hereinafter, be provided with an at least current limliting buffer structure in the water seal pipeline.
It is preferable over：The water seal pipeline includes sequentially connected drainage connecting pipe, main body straight tube and brine chamber intubation, institute
It states the other end corresponding with main body straight tube on drainage connecting pipe and is connected to the water seal interface tube, the brine chamber intubation is by connecting
Section, the first bending segment and the second bending segment are formed, and one end of the linkage section is docked on the main body straight tube, and described first
Bending segment is bent from the other end of linkage section to the central axis side of the brine chamber, and the second bending segment is by the first bending segment
End is bent downward vertically, and the end of second bending segment is inserted in the brine chamber below the liquid level of physiological saline.
It is preferable over：The current limliting buffer structure includes a current limliting buffering spool in tapered tube shape structure, and the current limliting is delayed
Rush that spool is co-axially fixed to be arranged in the water seal pipeline.
It is preferable over：The one end at corresponding cone bottom is coaxially integrally formed on the current limliting buffering spool is connected with a cylinder
The installation insertion tube of shape, the installation insertion tube and the inner orifice of the water seal pipeline are interference fitted.
It is preferable over：What the installation insertion tube on the current limliting buffering spool was interference fitted is inserted on the main body straight tube with drawing
The corresponding one end of connecting tube is flowed, cone one end of the current limliting buffering spool is corresponding with the drainage connecting pipe.
It is preferable over：The current limliting buffer structure includes a current limliting Dropbox, and the current limliting Dropbox is in cylinder block structure, and institute
It states and equally distributed on the end face of cylindrical piece is provided with several mesh axially penetrated through, the coaxial fixed setting of the current limliting Dropbox
In the water seal pipeline.
It is preferable over：The coaxial tympanum for being provided with a cylinder, the internal diameter of the tympanum are more than institute in the water seal pipeline
The internal diameter of water seal pipeline is stated, the internal diameter of the outer diameter and the tympanum of the current limliting Dropbox matches, and the current limliting Dropbox is coaxial
It is fixed to be embedded in the tympanum.
It is preferable over：The drainage connecting pipe is made of main body linkage section and drainage linkage section docking, the main body connection
The one end being mutually butted on Duan Shangyu drainage linkage sections is coaxially integrally formed to be provided with a round attic base, the main body connection
Section is mutually butted to form the tympanum with the round attic base on drainage linkage section.
It is preferable over：The current limliting buffer structure includes a buoy current limliting Buffer Unit, the buoy current limliting Buffer Unit packet
Buoy cap, spherical buoy and buoy limiting device are included, the buoy cap is fixed at the upper end of the main body straight tube, described
Buoy cap is a ring, has a metering hole coaxial with the main body straight tube, the hole of the metering hole in the middle part of the buoy cap
Diameter is less than the diameter of the spherical buoy, and the buoy limiting device is fixed embedded in the lower end of the main body straight tube, described floating
It marks limiting device and includes a grid, the grid is fixed on the lower end inner tubal wall of the main body straight tube, described spherical floating
Mark is arranged between the buoy cap and buoy limiting device, and the diameter of the spherical buoy is less than the interior of the main body straight tube
Diameter.
It is preferable over：The lower end of the buoy cap, which is located on the hole shoulder of the metering hole, offers a hemispherical counterbore,
The diameter of the counterbore is more than the diameter of the spherical buoy；The edge of the grid is fixedly connected on an installation ring
Inner hole wall on, the fixation that matches of installation ring is embedded at the lower end of the main body straight tube, and the installation ring
Upper surface is equipped at least three axially extending support claws, at least three branch around the projection of central axis circular array
The array diameter of the top composition of support claw is less than the diameter of the spherical buoy.
Compared with prior art, the beneficial effects of the utility model are：By setting at least one limit in water seal pipeline
Flowing buffer structure, and then the gas-liquid flow momentum in limitation or the closure water seal pipeline is played by current limliting buffer structure, it reaches
To buffering gas-liquid flow velocity, it can effectively prevent that gas-liquid ascending counterflow, preventing thoracic cavity disengaging, flow rate is excessive causes pendular movement of mediastinum, from
And make closed-type thoracic drainage device have it is anti-reflux, prevent air suck-back, cross low-voltage variation, gas-liquid flow rate buffering, anti-pendular movement of mediastinum
Etc. functions.
Description of the drawings
Fig. 1 is one schematic cross-sectional view of embodiment of the utility model.
Fig. 2 is two schematic cross-sectional view of embodiment of the utility model.
Fig. 3 is that the embodiment three of the utility model combines schematic cross-sectional view with closed drainage.
Fig. 4 is the example IV schematic cross-sectional view of the utility model.
Specific embodiment
Below with reference to attached drawing 1-4 and preferred embodiment to the utility model proposes one kind protected with counterflow-preventing overvoltage
The closed drainage seal water system of shield buffer structure is described in greater detail.
The utility model provides a kind of closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure, is one
The water seal pipeline 1 being arranged in closed drainage a, the closed drainage a include brine drum a1 and drainage bottle a2, the water
Tube sealing road 1 is used to connect the brine chamber a11 of the drainage lumens a21 and brine drum a1 of the drainage bottle a2, and the one of the water seal pipeline 1
End is connect with the water seal interface tube a22 on the drainage bottle a2, and the other end of the water seal pipeline 1 is inserted into the brine chamber a11
The liquid level of middle physiological saline is hereinafter, be provided with an at least current limliting buffer structure in the water seal pipeline 1；The water seal pipeline 1 wraps
Include sequentially connected drainage connecting pipe 11, main body straight tube 12 and brine chamber intubation 13, on the drainage connecting pipe 11 with main body
The 12 corresponding other end of straight tube is connected to the water seal interface tube a22, and the brine chamber intubation 13 is curved by linkage section 131, first
132 and second bending segment 133 of trisection is formed, and one end of the linkage section 131 is docked on the main body straight tube 12, and described
One bending segment 132 is bent from the other end of linkage section 131 to the central axis side of the brine chamber a11, the second bending segment 133
It is bent downward vertically by the end of the first bending segment 132, the end of second bending segment 133 is inserted in the brine chamber a11
Below the liquid level of middle physiological saline.
The utility model flows through the water sealing (sealing water) pipe to draining in work in the specific implementation, by the current limliting buffer structure
Gas-liquid flow rate size in road 1 is even limited into row buffering, during preventing chest drainage, the gas-liquid of thoracic cavity disengaging
Flow rate is excessive and causes pendular movement of mediastinum, is using the thoracic cavity closed drainage device a for employing the water seal pipeline 1 of the utility model
It is safer in journey.
Embodiment one：As shown in Figure 1, the current limliting buffer structure includes a current limliting buffering spool in tapered tube shape structure
2, spool 2 is co-axially fixed is arranged in the water seal pipeline 1 for current limliting buffering, using being on current limliting buffering spool 2
The pore that Taper Pipe shape gradually tapers up reaches reduces gas-liquid flow rate by reducing actual internal area, and realization prevents thoracic cavity from passing in and out gas-liquid
Flow rate is big and generates the situation of pendular movement of mediastinum；The current limliting, which buffers, corresponds to the one end for boring bottom coaxially integrally formed company on spool 2
It connects and is provided with a cylindric installation insertion tube 21, the installation insertion tube 21 and the inner orifice of the water seal pipeline 1 are interference fitted.
Further, what the installation insertion tube 21 on the current limliting buffering spool 2 was interference fitted is inserted in the main body straight tube 12
Above with 11 corresponding one end of drainage connecting pipe, cone one end that the current limliting buffers spool 2 is corresponding with the drainage connecting pipe 11.
Embodiment two：As shown in Fig. 2, the current limliting buffer structure includes a current limliting Dropbox 3, the current limliting Dropbox 3 is in circle
Column block structure, and equally distributed on the end face of the cylindrical piece it is provided with several mesh axially penetrated through, the current limiting net
Disk 3 is coaxial to be fixedly installed in the water seal pipeline 1, and the current limliting Dropbox 3 plays part in the water seal pipeline 1 and blocks
Cut, buffering purpose, and the quantity of equally distributed mesh and aperture can reduce water seal pipeline 1 actual internal area,
Buffer gas-liquid flow velocity, effectively prevent thoracic cavity disengaging flow rate it is excessive and caused by pendular movement of mediastinum；It is coaxial in the water seal pipeline 1
Be provided with a cylindrical tympanum 4, the internal diameter of the tympanum 4 is more than the internal diameter of the water seal pipeline 1, the current limliting Dropbox 3
The internal diameter of outer diameter and the tympanum 4 match, the coaxial fixation of the current limliting Dropbox 3 is embedded in the tympanum 4.
Further, the drainage connecting pipe 11 is made of main body linkage section 111 and the drainage docking of linkage section 112, described
On main body linkage section 111 with one end for being mutually butted on drainage linkage section 112 is coaxial integrally formed is provided with a circular seat
Disk 41, the main body linkage section 111 are mutually butted to form the tympanum with the round attic base 41 on drainage linkage section 112.
Embodiment three：As shown in figure 3, the current limliting buffer structure includes a buoy current limliting Buffer Unit 5, the buoy limit
It flows Buffer Unit 5 and includes buoy cap 51, spherical buoy 52 and buoy limiting device 53, the buoy cap 51 is fixed at institute
The upper end of main body straight tube 12 is stated, 51 middle part of buoy cap has a metering hole coaxial with the main body straight tube 12, the limit
The aperture of discharge orifice is less than the diameter of the spherical buoy 52, and the buoy limiting device 53 is arranged under the main body straight tube 12
End, the buoy limiting device 53 include a grid (not shown), and the grid is fixed on the main body straight tube 12
Lower end inner tubal wall on, the spherical buoy 52 is arranged between the buoy cap 51 and buoy limiting device 53, described spherical
The diameter of buoy 52 is less than the internal diameter of the main body straight tube 12；The lower end of the buoy cap 51 is located on the hole shoulder of the metering hole
A hemispherical counterbore 54 is offered, the diameter of the counterbore 54 is more than the diameter of the spherical buoy 52, the grid
Edge be fixedly connected on the inner hole wall of an installation ring 55, the fixation that matches of installation ring 55 is embedded at institute
State the lower end of main body straight tube 12, and the upper surface of the installation ring 55 around the projection of central axis circular array be equipped with to
Few three axially extending support claws 56, the array diameter of the top composition of at least three support claws 56 is less than described spherical
The diameter of buoy 52.
In the specific implementation, when the wearer inhales the air, the spherical buoy 52 is in the main body straight tube 12 for the present embodiment
Rise with fluid column, when crossing negative pressure, the spherical buoy 51 then rises to top and reclines the buoy cap 51, at this time the ball
Shape buoy 52 blocks the metering hole, limitation gas-liquid continue to flow into the drainage lumens a21, prevent gas-liquid ascending counterflow,
Preventing thoracic cavity from passing in and out, flow rate is excessive to cause pendular movement of mediastinum, and when the wearer exhales the air, the fluid column in the main body straight tube 12 declines, institute
Spherical buoy 52 is stated therewith to decline, and at least three support claws 56 on the buoy limiting device 53 then can be to spherical buoy
52 are supported blocking, while liquid reflux is not interfered to enter in the brine chamber a11, prevent the spherical buoy 52 from flowing into
The brine chamber a11.
Example IV：As shown in figure 4, the combination for embodiment two and embodiment three, and then reach and make the water seal pipeline 1
It is provided simultaneously with the functional characteristics of the two.
In summary, the technical solution of the utility model sufficiently effective can complete above-mentioned purpose of utility model, and
The structural principle and the principle of work and power of the utility model have all adequately been verified in embodiment, and can reach expected work(
Effect and purpose, and the embodiment of the utility model can also be converted according to these principles, therefore, the utility model includes one
Cut all replacement contents in the range of being previously mentioned in claim.Any institute in present utility model application the scope of the claims
Within the equivalence changes of work, all the scope of the claims of category this case application.
Claims (10)
1. a kind of closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure is arranged on closed drainage for one
In water seal pipeline, the closed drainage includes brine drum and drainage bottle, and the water seal pipeline is for connecting the drainage
The drainage lumens of bottle and the brine chamber of brine drum, one end of the water seal pipeline are connect with the water seal interface tube on the drainage bottle,
The other end of the water seal pipeline is inserted into the brine chamber below the liquid level of physiological saline, it is characterised in that：The water sealing (sealing water) pipe
An at least current limliting buffer structure is provided in road.
2. having the closed drainage seal water system of counterflow-preventing overvoltage protection buffer structure as described in claim 1, feature exists
In：The water seal pipeline includes sequentially connected drainage connecting pipe, main body straight tube and brine chamber intubation, the drainage connecting pipe
The upper other end corresponding with main body straight tube is connected to the water seal interface tube, and the brine chamber intubation is by linkage section, the first bending
Section and the second bending segment are formed, and one end of the linkage section is docked on the main body straight tube, and first bending segment is by even
The other end for connecing section is bent to the central axis side of the brine chamber, and the second bending segment is let droop by the end of the first bending segment
Straight bending, the end of second bending segment is inserted in the brine chamber below the liquid level of physiological saline.
3. having the closed drainage seal water system of counterflow-preventing overvoltage protection buffer structure as claimed in claim 2, feature exists
In：The current limliting buffer structure includes a current limliting buffering spool in tapered tube shape structure, and the current limliting buffering spool is coaxially solid
Fixed is arranged in the water seal pipeline.
4. having the closed drainage seal water system of counterflow-preventing overvoltage protection buffer structure as claimed in claim 3, feature exists
In：The coaxial integrally formed installation for being connected with a cylindrical shape in the one end at corresponding cone bottom is inserted on the current limliting buffering spool
Cylinder, the installation insertion tube and the inner orifice of the water seal pipeline are interference fitted.
5. having the closed drainage seal water system of counterflow-preventing overvoltage protection buffer structure as claimed in claim 4, feature exists
In：What the installation insertion tube on the current limliting buffering spool was interference fitted is inserted in corresponding with drainage connecting pipe on the main body straight tube
One end, cone one end of current limliting buffering spool is corresponding with the drainage connecting pipe.
6. having the closed drainage seal water system of counterflow-preventing overvoltage protection buffer structure as claimed in claim 2, feature exists
In：The current limliting buffer structure includes a current limliting Dropbox, and the current limliting Dropbox is in cylinder block structure, and the end of the cylindrical piece
It is equally distributed on face to be provided with several mesh axially penetrated through, the current limliting Dropbox it is coaxial be fixedly installed on the water sealing (sealing water) pipe
Lu Zhong.
7. having the closed drainage seal water system of counterflow-preventing overvoltage protection buffer structure as claimed in claim 6, feature exists
In：The coaxial tympanum for being provided with a cylinder, the internal diameter of the tympanum are more than the water seal pipeline in the water seal pipeline
Internal diameter, the internal diameter of the outer diameter and the tympanum of the current limliting Dropbox match, and the coaxial fixation of the current limliting Dropbox is embedded at institute
It states in tympanum.
8. having the closed drainage seal water system of counterflow-preventing overvoltage protection buffer structure as claimed in claim 7, feature exists
In：The drainage connecting pipe is made of main body linkage section and drainage linkage section docking, is connected on the main body linkage section with drainage
Connect the one end being mutually butted in section it is coaxial it is integrally formed be provided with a round attic base, the main body linkage section is connected with drainage
Round attic base in section is mutually butted to form the tympanum.
9. the closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure as described in claim 2 or 8, feature
It is：The current limliting buffer structure includes a buoy current limliting Buffer Unit, and the buoy current limliting Buffer Unit includes buoy cap, ball
Shape buoy and buoy limiting device, the buoy cap are fixed at the upper end of the main body straight tube, and the buoy cap is one
Ring, the buoy cap middle part have a metering hole coaxial with the main body straight tube, and the aperture of the metering hole is less than described
The diameter of spherical buoy, the buoy limiting device are fixed embedded in the lower end of the main body straight tube, the buoy limiting device
Including a grid, the grid is fixed on the lower end inner tubal wall of the main body straight tube, and the spherical buoy is arranged on institute
It states between buoy cap and buoy limiting device, the diameter of the spherical buoy is less than the internal diameter of the main body straight tube.
10. having the closed drainage seal water system of counterflow-preventing overvoltage protection buffer structure as claimed in claim 9, feature exists
In：The lower end of the buoy cap, which is located on the hole shoulder of the metering hole, offers a hemispherical counterbore, the counterbore it is straight
Diameter is more than the diameter of the spherical buoy；The edge of the grid is fixedly connected on the inner hole wall of an installation ring,
During the fixation that the installation ring matches is embedded at the lower end of the main body straight tube, and the upper surface of the installation ring surrounds
The projection of mandrel line circular array is equipped at least three axially extending support claws, the top group of at least three support claws
Into array diameter be less than the spherical buoy diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547641.8U CN207493002U (en) | 2017-05-17 | 2017-05-17 | Closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547641.8U CN207493002U (en) | 2017-05-17 | 2017-05-17 | Closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure |
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|---|---|
| CN207493002U true CN207493002U (en) | 2018-06-15 |
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| CN201720547641.8U Active CN207493002U (en) | 2017-05-17 | 2017-05-17 | Closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107080865A (en) * | 2017-05-17 | 2017-08-22 | 江西罡龙医疗器械有限公司 | Closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure |
-
2017
- 2017-05-17 CN CN201720547641.8U patent/CN207493002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107080865A (en) * | 2017-05-17 | 2017-08-22 | 江西罡龙医疗器械有限公司 | Closed drainage seal water system with counterflow-preventing overvoltage protection buffer structure |
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