CN208710607U - Disposable dry envelope valve type thoracic duction instrument - Google Patents
Disposable dry envelope valve type thoracic duction instrument Download PDFInfo
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- CN208710607U CN208710607U CN201721694008.8U CN201721694008U CN208710607U CN 208710607 U CN208710607 U CN 208710607U CN 201721694008 U CN201721694008 U CN 201721694008U CN 208710607 U CN208710607 U CN 208710607U
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Abstract
The utility model discloses disposable dry envelope valve type thoracic duction instrument, including main casing, panel, drainage tube interface, Negative pressure machine interface, negative pressure adjust the components such as component, support, pressure relief opening, water filling port, gas leakage display, anti-down flow tube, check valve, plunger and multiple cavities.The utility model provides the negative pressure extracting ability of convenient pressure range by the convenient adjusting negative pressure numerical value of slide plate using the range of negative pressure of novel variable cross-section product regulating device under the action of Negative pressure machine；Using multi-cavity structure, u-tube structure is constructed, the sealing function of safety is generated using water or other liquid；It is shown provided with a variety of pressure and protective device, effective guarantee pleural pressure is safe.
Description
Technical field
The utility model relates to medical instruments fields, and in particular to disposable dry envelope valve type thoracic duction instrument.
Background technique
During cardiac thoracic surgery, it usually needs excrete intrathoracic gas and liquid in time, need simultaneously
The pressure in control thoracic cavity is in a reasonable range, ensures patient safety.Existing chest drainage method usually uses hand
Work squeezes drainage tube and generates pressure difference and gas-liquid is excluded thoracic cavity, and this way is difficult to control reasonable pressure, and effect is poor.Also
There are some ambition drainage devices, although excreting gas-liquid using the form that Negative pressure machine extracts, its pressure limit is difficult to adjust
Section.The gas-liquid in thoracic cavity needs to exclude in time, while also needing effectively to control the expansion and contraction pressure in thoracic cavity all in safe model
It encloses, it so just can be with effective guarantee operation safety.
In order to cardiac thoracic surgery provide high quality gas-liquid drainage way, need to design it is a kind of facilitate pressure adjust,
Gas-liquid automatic drainage device with maltilevel security guarantee.
Utility model content
To solve the above-mentioned problems, the utility model proposes disposable dry envelope valve type thoracic duction instrument, benefits
The range of negative pressure that regulating device is accumulated with novel variable cross-section, by the convenient adjusting negative pressure numerical value of slide plate, in the effect of Negative pressure machine
It is lower that the negative pressure extracting ability of convenient pressure range is provided；Using multi-cavity structure, construct u-tube structure, using water or other
Liquid generates the sealing function of safety；It is shown provided with a variety of pressure and protective device, effective guarantee pleural pressure is safe.
The purpose of this utility model is realized at least through one of following technical solution.
Disposable dry envelope valve type thoracic duction instrument comprising main casing, panel, drainage tube interface, Negative pressure machine
Interface and negative pressure adjust component；Drainage tube interface, Negative pressure machine interface and negative pressure adjust component and are mounted on the main casing, described
Panel is coupled with main casing, forms closed multi-cavity structure, and multi-cavity structure includes multiple cavities, multiple cavities connection
Afterwards, one end is connect with Negative pressure machine interface；The other end is connect with drainage tube interface, the gas-liquid extracted from body cavity first into
Enter drainage tube interface；At least two neighboring formation U-tube structure and remaining cavity are located at the U-tube structure two in multiple cavities
Side, wherein the cavity constituted in two cavitys of U-tube structure close to Negative pressure machine interface side is equipped with water filling port；Connect with Negative pressure machine
The cavity connect also adjusts component with negative pressure and connect.
Further, in the multiple cavities (A ~ H) that the main casing includes, cavity E is connected to form U-shaped with the bottom cavity D
Pipe structure, the cavity connecting with the upper end cavity D are followed successively by cavity C, cavity B, cavity A, and the cavity connecting with the upper end cavity E is successively
For cavity F, cavity G；Be provided with check valve at the top of cavity F, when cavity D is in negative pressure, unidirectional valve closure prevent gas from
Cavity G enters cavity F, and when cavity D is in positive pressure, check valve is opened so that gas enters cavity F from cavity G, and realization is vented,
Ensure thoracic cavity safety；The Negative pressure machine interface is provided at the top of cavity G；Negative pressure adjusts component and is connected to cavity G, is used for adjusting cavity
The negative pressure numerical value of body G.
Further, the drainage tube interface is located at main casing body sidewall, is connected to, draws with the cavity A in the multiple cavity
Flow tube interface is connected to by conduit with thoracic cavity or other body cavities, and the gas-liquid extracted from body cavity passes through first draws
Flow tube interface enters cavity A；Cavity B is connected to cavity C, and communication port is located at the top cavity B；
Cavity D is connected to cavity E in bottom；The water filling port is located at cavity E, has helicitic texture, includes a silica gel
Plug can be inserted into the silica gel plug by syringe needle and be filled the water to cavity E；After water filling, similar U-tube is formed with cavity E in cavity D
Fluid balance.
Further, on the top of cavity D, it is provided with plunger, effect is and to hinder slow D for showing high negative pressure degree
The rate of climb of intracavitary water.
Further, cavity F is provided with inclined anti-down flow tube, and inclining between cavity E and cavity F is arranged in anti-down flow tube
Through-hole on inclined plate, effect is when entire drainage device is toppled over, and fluid is not overflowed into cavity F.
Further, it includes slide plate, track, connecting tube, gas passage and gasket that the negative pressure, which adjusts component,；Track is set
It is equipped with the gas passage of variable cross-section product, gas passage is connected with connecting tube；One end of connecting tube and cavity G connect after installation
It is logical；Gasket pushes slide plate that can push the cooperation position of gasket and gas passage simultaneously between slide plate and track, so that
The entrance cross-sectional area of gas is in corresponding numerical value, so that drainage device generates corresponding bear under the action of Negative pressure machine
Pressure.
Further, the access sites between cavity D and cavity E are provided with gas leakage display, and gas leakage display has
Multiple through-holes side by side, usually 3 ~ 11 holes；In the fluid that gas leakage display is immersed in cavity E, cavity D has gas entrance
When cavity E, certain some holes of gas leakage display will emerge bubble, and number of bubbles more multilist shows that gas leakage is more, to indicate gas leakage
The case where.
Further, panel is provided with panel stomata I at the position positioned at cavity C, is provided on panel stomata I multiple logical
Hole；It is configured with negative pressure instruction disk I simultaneously in same position, negative pressure instruction disk I is made of silica gel piece, and silica gel piece is by cavity C and greatly
Air bound is opened；When cavity C is negative pressure negative pressure instruction disk I is recessed and positive pressure when, is convex, so as to intuitive display cavity
The barometric information of body C；Panel is provided with panel stomata II at the position positioned at cavity G, is provided on panel stomata II multiple logical
Hole；Same position simultaneously be configured with negative pressure instruction disk II, negative pressure instruction disk II be made of silica gel piece, silica gel piece by cavity G with
Atmosphere separates；When cavity G is negative pressure negative pressure instruction disk II is recessed and positive pressure when, is convex, so as to intuitively show
The barometric information of cavity G；It is located at the top position of cavity C at the back side of main casing, is provided with pressure relief opening, is sealed with silica gel ring,
When needing emergency decompression, pressure relief opening valve is manually pressed, it is ensured that ambition cavity safety.
Further, it is provided with handle I at the top of main casing, side is provided with handle II, at the bottom in main casing
Portion is provided with support.
Further, it is provided with cavity H in the side of cavity E and cavity F, cavity H is connected to cavity G；Cavity H is long and narrow,
When user accidentally enters cavity G from the water filling of Negative pressure machine interface, water energy enters cavity H, so that water seal be avoided to live check valve, it is ensured that make
With safety.
Further, it is connected between the upper end of cavity A and the upper end of cavity B, the channel slopes setting between two cavitys,
And be located at cavity A upper end, the purpose is to ensure ambition draw fluid be first filled up with cavity A, after overflowing cavity A again into
Enter cavity B.
The working principle of this drainage device is: after cavity D and cavity E inject certain fluid, entire drainage device
Form the structure of a similar U-tube, wherein cavity A, cavity B, cavity C and cavity D-shaped at U-tube one end, and with drainage
Interface tube connection；Cavity G, cavity F and cavity E constitute the other end of U-tube, and with Negative pressure machine orifice；Take care thoracic cavity body
When expansion, unidirectional valve closure, it is ensured that extraneous gas will not enter ambition cavity；When taking care the contraction of thoracic cavity body, check valve is opened, can
Portion gas in ambition to be discharged；Negative pressure machine adjusts component by Negative pressure machine interface and negative pressure, plays and utilizes the negative-pressure ward heart
The purpose of gas-liquid in the body of thoracic cavity.
Compared with the existing technology, the utility model has the following advantages that and technical effect:
The utility model proposes disposable dry envelope valve type thoracic duction instruments, utilize novel variable cross-section product
The range of negative pressure of regulating device provides convenient pressure range by the convenient adjusting negative pressure numerical value of slide plate under the action of Negative pressure machine
Negative pressure extracting ability；Using multi-cavity structure, u-tube structure is constructed, the sealing of safety is generated using water or other liquid
Function；It is shown provided with a variety of pressure and protective device, effective guarantee pleural pressure is safe.
Detailed description of the invention
Fig. 1 is dry envelope valve type thoracic duction instrument panel side structural schematic diagram disposable in example.
Fig. 2 is the structural schematic diagram of the dry envelope valve type thoracic duction instrument other side disposable shown in Fig. 1.
Fig. 3 is that dry envelope valve type thoracic duction instrument disposable shown in Fig. 1 removes the structural schematic diagram after panel.
Fig. 4 is the other side structural schematic diagram of dry envelope valve type thoracic duction instrument disposable shown in Fig. 3.
Fig. 5 is each cavity (closing dotted line frame representative of dry envelope valve type thoracic duction instrument disposable in example
One cavity) schematic layout pattern.
Fig. 6 is the general structure schematic diagram that negative pressure adjusts component in example.
Fig. 7 is the assembling schematic diagram for the gasket that negative pressure adjusts component in example.
In figure: 1- main casing；2- panel；3- drainage tube interface；4- Negative pressure machine interface；5- negative pressure adjusts component；6- handle
I；7- handle II；8- support；9- panel stomata I；10- panel stomata II；11- pressure relief opening；12- water filling port；13- negative pressure indicates disk
I；14- negative pressure indicates disk II；15- gas leakage display；The anti-down flow tube of 16-；17- check valve；18- plunger；19 ~ 25- cavity A ~ H；
51- slide plate；52- track；53- connecting tube；54- gas passage；55- gasket.
Specific embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail, but not limited to this.
As shown in FIG. 1 to FIG. 7, the disposable dry envelope valve type thoracic duction instrument of this example mainly includes main casing
Body 1, panel 2, drainage tube interface 3, Negative pressure machine interface 4, negative pressure adjust component 5, support 8, pressure relief opening 11, water filling port 12, gas leakage
The components such as display 15, anti-down flow tube 16, check valve 17, plunger 18 and multiple cavities；
The main casing 1 is mainly used for installing each functional unit, and contains multiple cavities, mainly there is cavity A ~ H(19
~ 26), these cavitys and each functional unit have cooperatively formed multiple function containers.The panel 2 is coupled with main casing 1,
Form closed multi-cavity structure.
Such as Fig. 5, closing dotted line frame represents a cavity in figure, and solid two-way arrow indicates to be interconnected.The drainage tube
Interface 3 is located at 1 side wall of main casing, is connected to cavity A19, is connected to by conduit with thoracic cavity or other body cavities, from human body
The gas-liquid that cavity extracts passes through drainage tube interface 3 first and enters cavity A19；It is connected between cavity A19 and cavity B20, two
Channel slopes setting between a cavity, and it is located at the upper end of cavity A, the purpose is to the fluids for ensuring that ambition is drawn to be first filled up with
Cavity A enters back into cavity B after overflowing cavity A.Likewise, cavity B is connected to cavity C21, communication port is located at cavity top
Portion.
Cavity D22 is connected to cavity E23 in bottom；Water filling port 12 is located at cavity E, has helicitic texture, includes a silicon
Rubber plug can be inserted into silica gel plug by syringe needle and fill the water to cavity E；After water filling, similar U-tube is formed with cavity E in cavity D
Fluid balance.On the top of cavity D, it is provided with plunger 18, the effect of plunger is and to hinder the intracavitary water of slow D for showing high negative pressure
The rate of climb.
Anti-down flow tube 16 is obliquely installed, and has certain length, and effect is when drainage device is toppled over, and fluid will not overflow
Enter cavity F24 out；Check valve 17 is provided at the top of cavity F24, when cavity D is in negative pressure, the closing of check valve 18 is prevented
Gas enters cavity F from cavity G, and when cavity D is in positive pressure, check valve is opened so that gas enters cavity F from cavity G, in fact
It is now vented, it is ensured that thoracic cavity safety.Negative pressure machine interface 4 is provided at the top of cavity G25；Negative pressure adjusts component 5 and is connected to cavity G, uses
In the negative pressure numerical value for adjusting cavity G.
Such as Fig. 6, Fig. 7, the negative pressure adjusts component 5 by slide plate 51, track 52, connecting tube 53, gas passage 54 and sealing
Pad 55 forms；Track 52 is provided with the gas passage 54 of variable cross-section product, and gas passage 54 is connected with connecting tube 53；After installation
One end of connecting tube 53 is connected to cavity G25；Gasket 55 pushes slide plate 51 that can push away simultaneously between slide plate 51 and track 52
The cooperation position of dynamic sealing pad 51 and gas passage 54, so that the entrance cross-sectional area of gas is in some numerical value, thus yes
Drainage device generates corresponding negative pressure under the action of Negative pressure machine.
Further implement ground, the access sites between cavity D22 and cavity E23 are provided with gas leakage display 15, the portion
Part is provided with multiple through-holes side by side, usually 3 ~ 11 holes；In the fluid that gas leakage display is immersed in cavity E, cavity D has
When gas enters cavity E, certain some holes of gas leakage display will emerge bubble, and number of bubbles more multilist shows that gas leakage is more, to refer to
The case where having shown gas leakage.
Further implement ground, panel 2 is provided with panel stomata I9 at the position positioned at cavity C21, is arranged on panel stomata I
There are multiple through-holes；It is configured with negative pressure instruction disk I13 simultaneously in same position, is made of silica gel piece, silica gel piece is by cavity C and atmosphere
It separates；When cavity C is negative pressure negative pressure instruction disk I is recessed and positive pressure when, is convex, so as to intuitively show cavity
The barometric information of C.
Further, panel 2 is provided with panel stomata II10 at the position positioned at cavity G25, is arranged on panel stomata II
There are multiple through-holes；It is configured with negative pressure instruction disk II14 simultaneously in same position, is made of silica gel piece, silica gel piece is by cavity G and greatly
Air bound is opened；When cavity G is negative pressure negative pressure instruction disk II is recessed and positive pressure when, is convex, so as to intuitively show
The barometric information of cavity G.
Further implement ground, be located at the top position of cavity C21 at the back side of main casing 1, pressure relief opening 11 is provided with, with silicon
Rubber sealing manually presses pressure relief opening valve when needing emergency decompression, it is ensured that ambition cavity safety.
Further implement ground, the top of main casing 1 is provided with handle I6, side is provided with handle II7, is set in bottom
It is equipped with support 8.
Further implement ground, is provided with cavity H26 on the side of cavity E and cavity F, cavity H is connected to cavity G；Cavity H
Long and narrow, when user accidentally enters cavity G from the water filling of Negative pressure machine interface 4, water can enter cavity H, so that water seal be avoided to live check valve
18, it is ensured that using safe.
The working principle of this drainage device is: entire to drain after cavity D22 and cavity E23 inject certain fluid
Device forms the structure of a similar U-tube, wherein cavity A, cavity B, cavity C and cavity D-shaped at U-tube one end, and with
Drainage tube interface 3 is connected to；Cavity G, cavity F and cavity E constitute the other end of U-tube, and are connected to Negative pressure machine interface 4；Take care
When thoracic cavity body expands, check valve 17 is closed, it is ensured that extraneous gas will not enter ambition cavity；When taking care the contraction of thoracic cavity body, unidirectionally
Valve 17 is opened, and portion gas in ambition can be discharged.Negative pressure machine, which is not drawn into, adjusts component 5 by Negative pressure machine interface 4 and negative pressure,
Play the purpose using the gas-liquid in the cavity of negative-pressure ward ambition.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.
Claims (10)
1. disposable dry envelope valve type thoracic duction instrument, it is characterised in that including main casing (1), panel (2), drainage tube
Interface (3), Negative pressure machine interface (4) and negative pressure adjust component (5)；Drainage tube interface (3), Negative pressure machine interface (4) and negative pressure are adjusted
Component (5) is mounted on the main casing (1), and the panel (2) is coupled with main casing (1), forms closed Multicarity
Structure, multi-cavity structure include multiple cavities, and after multiple cavities connection, one end is connect with Negative pressure machine interface (4)；The other end with draw
Flow tube interface (3) connection, the gas-liquid extracted from body cavity initially enter drainage tube interface (3)；In multiple cavities at least
Two neighboring formation U-tube structure and remaining cavity are located at the U-tube structure two sides, wherein constituting two chambers of U-tube structure
Cavity in body close to Negative pressure machine interface (4) side is equipped with water filling port (12)；The cavity connecting with Negative pressure machine is also adjusted with negative pressure
Component (5) connection.
2. disposable dry envelope valve type thoracic duction instrument according to claim 1, it is characterised in that the main casing
In the multiple cavities that body (1) includes, cavity E is connected to form U-tube structure with the bottom cavity D, the cavity connecting with the upper end cavity D
It is followed successively by cavity C, cavity B, cavity A, the cavity connecting with the upper end cavity E is followed successively by cavity F, cavity G；Cavity F(24) top
Portion is provided with check valve (17), and when cavity D is in negative pressure, check valve (17) closing prevents gas from entering cavity F from cavity G,
When cavity D is in positive pressure, check valve is opened so that gas enters cavity F from cavity G；Cavity G(25) top be provided with it is described
Negative pressure machine interface (4)；Negative pressure adjusts component (5) and is connected to cavity G, for adjusting the negative pressure numerical value of cavity G.
3. disposable dry envelope valve type thoracic duction instrument according to claim 2, it is characterised in that the drainage
Interface tube (3) is located at main casing (1) side wall, is connected to the cavity A(19 in the multiple cavity), and drainage tube interface (3) passes through
Conduit is connected to thoracic cavity or other body cavities, and the gas-liquid extracted from body cavity passes through drainage tube interface (3) first
Into cavity A(19)；Cavity B is connected to cavity C(21), and communication port is located at the top cavity B；
Cavity D(22) it is connected to cavity E(23) in bottom；The water filling port (12) is located at cavity E, has helicitic texture, includes
One silica gel plug can be inserted into the silica gel plug by syringe needle and be filled the water to cavity E；After water filling, class is formed in cavity D and cavity E
Like the fluid balance of U-tube.
4. disposable dry envelope valve type thoracic duction instrument according to claim 2, it is characterised in that cavity D's
Top is provided with plunger (18), and effect is and to hinder the rate of climb of the intracavitary water of slow D for showing high negative pressure degree.
5. disposable dry envelope valve type thoracic duction instrument according to claim 2, it is characterised in that cavity F setting
There is inclined anti-down flow tube (16), the through-hole on the hang plate between cavity E and cavity F is arranged in anti-down flow tube (16).
6. disposable dry envelope valve type thoracic duction instrument according to claim 2, it is characterised in that the negative pressure
Adjusting component (5) includes slide plate (51), track (52), connecting tube (53), gas passage (54) and gasket (55)；Track (52)
It is provided with the gas passage (54) of variable cross-section product, gas passage (54) is connected with connecting tube (53)；Connecting tube after installation
(53) one end is connected to cavity G(25)；Gasket (55) is located between slide plate (51) and track (52), pushes slide plate (51) can
The cooperation position of gasket (55) Yu gas passage (54) is pushed simultaneously, so that the entrance cross-sectional area of gas is in corresponding number
Value, so that drainage device generates corresponding negative pressure under the action of Negative pressure machine.
7. disposable dry envelope valve type thoracic duction instrument according to claim 1, it is characterised in that: in cavity D
(22) and cavity E(23) between access sites be provided with gas leakage display (15), gas leakage display (15) has side by side more
It is a logical；In the fluid that gas leakage display is immersed in cavity E, when cavity D has gas to enter cavity E, gas leakage display it is certain
Hole will emerge bubble, and number of bubbles more multilist shows that gas leakage is more.
8. disposable dry envelope valve type thoracic duction instrument according to claim 1, it is characterised in that: panel (2)
Be located at cavity C(21) position be provided with panel stomata I(9), be provided with multiple through-holes on panel stomata I；In same position
Disk I(13 is indicated configured with negative pressure simultaneously), negative pressure indicates disk I(13) be made of silica gel piece, silica gel piece is by cavity C and big air bound
It opens；When cavity C is negative pressure negative pressure instruction disk I is recessed and positive pressure when, is convex, so as to intuitively show cavity C
Barometric information；Panel (2) is being located at cavity G(25) position be provided with panel stomata II(10), be arranged on panel stomata II
There are multiple through-holes；It is configured with negative pressure instruction disk II(14 simultaneously in same position), negative pressure indicates disk II(14) be made of silica gel piece,
Silica gel piece separates cavity G with atmosphere；When cavity G is negative pressure negative pressure instruction disk II is recessed and positive pressure when, is convex,
So as to intuitively show the barometric information of cavity G；Be located at cavity C(21 at the back side of main casing (1)) top position, be provided with
Pressure relief opening (11), is sealed with silica gel ring, when needing emergency decompression, manually presses pressure relief opening valve, it is ensured that ambition cavity peace
Entirely.
9. disposable dry envelope valve type thoracic duction instrument according to claim 1, it is characterised in that: in main casing
(1) handle I(6 is provided at the top of), side is provided with handle II(7), the bottom of main casing (1) is being provided with support
(8).
10. described in any item disposable dry envelope valve type thoracic duction instruments, feature exist according to claim 1 ~ 9
In: cavity H(26 is provided in the side of cavity E and cavity F), cavity H is connected to cavity G；Cavity H is long and narrow, when user accidentally from
When Negative pressure machine interface (4) water filling enters cavity G, water energy enters cavity H, so that water seal be avoided to live check valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694008.8U CN208710607U (en) | 2017-12-08 | 2017-12-08 | Disposable dry envelope valve type thoracic duction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694008.8U CN208710607U (en) | 2017-12-08 | 2017-12-08 | Disposable dry envelope valve type thoracic duction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208710607U true CN208710607U (en) | 2019-04-09 |
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ID=65968130
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721694008.8U Active CN208710607U (en) | 2017-12-08 | 2017-12-08 | Disposable dry envelope valve type thoracic duction instrument |
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| Country | Link |
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| CN (1) | CN208710607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108096644A (en) * | 2017-12-08 | 2018-06-01 | 东莞康智医疗器械有限公司 | Disposable dry envelope valve type thoracic duction instrument |
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2017
- 2017-12-08 CN CN201721694008.8U patent/CN208710607U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108096644A (en) * | 2017-12-08 | 2018-06-01 | 东莞康智医疗器械有限公司 | Disposable dry envelope valve type thoracic duction instrument |
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