CN109045371A - A kind of internal hydrops Steady pressure drainage device of operation - Google Patents
A kind of internal hydrops Steady pressure drainage device of operation Download PDFInfo
- Publication number
- CN109045371A CN109045371A CN201811013326.2A CN201811013326A CN109045371A CN 109045371 A CN109045371 A CN 109045371A CN 201811013326 A CN201811013326 A CN 201811013326A CN 109045371 A CN109045371 A CN 109045371A
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- China
- Prior art keywords
- air bag
- gas
- drainage bottle
- guide column
- drainage
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Classifications
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- A61M1/0023—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
Abstract
The present invention provides a kind of internal hydrops Steady pressure drainage devices of operation, can control the variation of range of negative pressure, are suitable for a variety of emergency situations, and no replacement is required drainage bottle interrupts drainage process, effectively simplifies operating process, improves the effect of negative pressure drainage；Its technical solution solved includes drainage bottle, gas cylinder is equipped on the right side of drainage bottle, drainage bottle is connected to gas cylinder by gas-guide tube, air guide column and sealing block are installed in gas cylinder, sealing block lower end is connected with sealing piston, and gas cylinder lower end is connected with outer air bag and interior air bag, is equipped with check valve on double-layer air bag structure bottom wall, sealing space is formed between outer air bag and sealing piston, interior air bag is connected to form gas passage with gas cylinder；It squeezes double-layer air bag structure to be allowed to become negative pressure state, air guide column slide downward makes gas in drainage bottle flow into interior air bag, and then makes to become negative pressure state in drainage bottle, and the present invention has the features such as novel, clever structure, simple, convenient use.
Description
Technical field
The present invention relates to medical instruments fields, the especially a kind of internal hydrops Steady pressure drainage device of operation.
Background technique
Negative pressure drainage is very extensive in clinical application, and mainly for postoperative patients, negative pressure drainage is to create wound
Outside the liquid lead body of face exudation, this requires negative pressure to have certain pressure and be lasting；The negative pressure clinically applied now
There are many flow diverter, such as artificial negative pressure drainage ball, artificial negative pressure drainage vessel, central negative pressure drainage bottle etc.；Artificial depression drainage device meeting
Negative pressure can not be stablized in manufacture negative pressure process and negative pressure is adjusted according to patient's own situation；Central negative pressure drainage bottle can only lean on negative
Press the external impetus such as aspirator to generate negative pressure, when vacuum pump etc. breaks down, vacuum extractor just cannot work, while also without
Method is suitable for the scenes such as field rescue；And depression drainage device in the prior art, drainage-fluid enters after negative pressure cavity just cannot be
Carry out negative pressure drainage, need to be drained again after removing flow diverter discharge drainage-fluid after primary drainage, drainage work can only discontinuously into
Row, cannot continuously drain, working efficiency is low.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides a kind of internal hydrops pressure stabilizings of operation
Drainage device can control the variation of range of negative pressure, be suitable for a variety of emergency situations, and no replacement is required drainage bottle interrupts drainage
Process effectively simplifies operating process, saves the time, improves the effect of negative pressure drainage.
Its technical solution solved includes drainage bottle, is equipped with the gas cylinder vertically placed on the right side of drainage bottle, drainage bottle with lead
Inflator is connected to by gas-guide tube, is equipped with the air guide column above gas cylinder and the sealing below gas cylinder in gas cylinder
Block, sealing block lower end are connected with the sealing piston being placed in gas cylinder, and air guide column and sealing block can slide up and down, under gas cylinder
End is connected with double-layer air bag structure, and double-layer air bag structure includes the outer air bag being connected with gas cylinder lower end and is located at outer air bag
Internal interior air bag is equipped with check valve on double-layer air bag structure bottom wall, forms sealing space between outer air bag and sealing piston,
Interior air bag is connected to form gas passage with gas cylinder；When air guide column lower regions pressure is identical, air guide column blocks gas passage,
When air guide column lower regions are there are when pressure difference, air guide column can slide up and down under differential pressure action, be connected to gas passage；Original state
When, sealing block is below, and does not block gas passage, squeezes double-layer air bag structure, outer air bag deformation first, when outer balloon-shaped becomes
Sealing piston upward sliding is pushed, and then pushes sealing block upward sliding, blocks gas passage, then interior air bag deformation, due to
Sealing block has blocked gas passage, therefore interior airbag gas can only be discharged from check valve, stops squeezing after interior airbag gas discharge
Double-layer air bag structure is pressed, double-layer air bag structure can be gradually restored to the state before deformation, and sealing block, which can glide, no longer blocks gas
Channel, at this point, being negative pressure state in interior air bag, air guide column slide downward under differential pressure action is connected to gas passage, makes drainage bottle
Interior gas flows into interior air bag, and then makes to become negative pressure state in drainage bottle.
The present invention has the features such as novel, clever structure, simple, convenient use, can greatly simplify negative pressure
The operating process of drainage device strengthens the stability of negative pressure drainage process, facilitates the use of medical worker, and is suitable for
The emergency situations of various field environments.
Detailed description of the invention
Fig. 1 is main view sectional view of the present invention.
Fig. 2 is part A partial enlarged view in Fig. 1 of the present invention.
Fig. 3 is that part B sealing piston is connected to gas passage state enlarged drawing in Fig. 1 of the present invention.
Fig. 4 is that sealing piston blocks gas passage state enlarged drawing in Fig. 3 of the present invention.
Fig. 5 is that C portion inlet piston blocks air inlet pipe state enlarged drawing in Fig. 1 of the present invention.
Fig. 6 is that inlet piston is connected to air inlet pipe state enlarged drawing in Fig. 5 of the present invention.
Fig. 7 is the first disk perspective view of the invention.
Fig. 8 is air guide column perspective view of the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
By Fig. 1-8 it is found that the present invention includes drainage bottle 1, the gas cylinder 2 vertically placed, drainage bottle are equipped on the right side of drainage bottle 1
1 is connected to gas cylinder 2 by gas-guide tube 3, the air guide column 4 that is equipped with positioned at gas cylinder 2 above in gas cylinder 2 and positioned at gas cylinder
The sealing block 5 of 2 lower sections, 5 lower end of sealing block is connected with the sealing piston 6 being placed in gas cylinder 2, air guide column 4 and sealing block 5
It slides up and down, 2 lower end of gas cylinder is connected with double-layer air bag structure, and double-layer air bag structure includes being connected with 2 lower end of gas cylinder
Outer air bag 7 and the interior air bag 8 inside outer air bag 7, are equipped with check valve 9 on double-layer air bag structure bottom wall, outer air bag 7 with
Sealing space is formed between sealing piston 6, interior air bag 8 is connected to form gas passage with gas cylinder 2；When 4 lower regions of air guide column
When pressure is identical, air guide column 4 blocks gas passage, and when 4 lower regions of air guide column are there are when pressure difference, air guide column 4 can be made in pressure difference
It is slided up and down under, is connected to gas passage；When original state, sealing block 5 is below, and does not block gas passage, is squeezed double-deck
Airbag structure, the outer deformation first of air bag 7 push 6 upward sliding of sealing piston when outer 7 deformation of air bag, so push sealing block 5 to
Upper sliding blocks gas passage, then in air bag 8 deformation, since sealing block 5 has blocked gas passage, therefore 8 gas of interior air bag
Body can only be discharged from check valve 9, stop squeezing double-layer air bag structure after interior 8 gas of air bag discharge, double-layer air bag structure can be gradually
State before being restored to deformation, sealing block 5, which can glide, no longer blocks gas passage, at this point, being negative pressure state in interior air bag 8, leads
The slide downward under differential pressure action of air column 4 is connected to gas passage, so that gas in drainage bottle 1 is flowed into interior air bag 8, and then make to drain
Become negative pressure state in bottle 1.
In order to stablize the negative pressure in drainage bottle 1, being equipped with inside the gas cylinder 2 can be in the first circle of horizontal plane rotation
Disk 10,10 center of the first disk offer first through hole 11, and first through hole 11 and air guide column 4 cooperate, 4 outer edge surface of air guide column
Top offers aspirating flutes 12, and 4 outer edge surface lower part of air guide column offers return-air groove 13, and the width of return-air groove 13, which is greater than, to be inhaled
The width of gas groove 12 and the top of return-air groove 13 are lower than the bottom of aspirating flutes 12, are fixed in gas cylinder 2 and are placed in first
10 lower section of disk and the first support plate 14 up and down, are connected with the first spring 15 between air guide column 4 and the first support plate 14,
When original state, under 4 self gravity of air guide column and the effect of the first spring 15,4 middle part of 11 inner edge surface of first through hole and air guide column
Fitting, drainage bottle 1 are not connected to interior air bag 8, and when the pressure in drainage bottle 1 is greater than the pressure in interior air bag 8, the meeting of air guide column 4 exists
Slide downward under the action of gas in drainage bottle 1 is connected to drainage bottle 1 by aspirating flutes 12 with interior air bag 8, in interior air bag 8
Pressure be greater than drainage bottle 1 in pressure when, air guide column 4 in interior air bag 8 gas effect under can upward sliding, make drainage bottle
1 is connected to interior air bag 8 by return-air groove 13.
In order to slide up and down sealing block 5 preferably, it is fixed in the gas cylinder 2 and is placed in the lower section of sealing block 5 and close
The second support plate 16 above piston 6 and up and down is sealed, is connected with second spring between sealing block 5 and the second support plate 16
17,6 lower end surface of sealing piston offers annular groove, and interior 8 upper end of air bag is connected with the first cylinder 18, and 18 upper end of the first cylinder is inserted
Into in annular groove, sealing piston 6, which slides up and down, will not be such that annular groove and the first cylinder 18 is detached from, and sealing piston 6 slides up
It is dynamic to drive the upward sliding in gas cylinder 2 of sealing block 5, realize the closure to gas cylinder 2.
In order to realize the adjustable of range of negative pressure in drainage bottle 1,10 thickness of the first disk is in a circumferential direction gradually
Become, 10 lateral wall of the first disk is fixed with pin 19, and the other end of pin 19 is placed in 2 outside of gas cylinder, stirs pin 19 and be placed in gas cylinder 2
Outer one end, can drive the first rotation in the horizontal plane of disk 10, and the first disk 10 horizontally rotates adjustable first disk 10
With the thickness of 13 1 side contacts side of 4 aspirating flutes 12 of air guide column and return-air groove, and then the range of negative pressure of adjustable drain bottle 1.
In order to realize being smoothly discharged for hydrops in drainage bottle 1, it is connected with drain pipe 20 below the drainage bottle 1, drains
The pressure valve being placed in drain pipe 20 is installed on the bottom wall of bottle 1, the valve deck 21 of pressure valve is hinged on 1 bottom wall of drainage bottle and two
Torsional spring is connected between person, valve deck 21 can be buckled under the effect of torsion spring on 1 bottom wall of drainage bottle, closure drainage bottle 1, outside drain pipe 20
Wall is fixed with permanent magnet 22, and when valve deck 21 is close to permanent magnet 22, permanent magnet 22 can attract valve deck 21 to be allowed to be close in drain pipe 20
Side wall.
In order to drain the hydrops in drainage bottle 1 all, air inlet pipe 23, air inlet pipe are connected with above the interior air bag 8
It is fixed with third support plate 24 in 23, the second through-hole 25 is offered on 24 end face of third support plate, being equipped in air inlet pipe 23 can
The inlet piston 26 that fitting third support plate 24 horizontally slips, 26 left end of inlet piston is connected with straight-bar 27,27 other end of straight-bar
It is placed in drain pipe 20 through 20 side wall of drain pipe, valve deck 21 can push away when being attracted fitting 20 inner sidewall of drain pipe by permanent magnet 22
Dynamic straight-bar 27 slides to the right, and 26 end face of inlet piston offers third through-hole 28, during inlet piston 26 horizontally slips, third
Through-hole 28 in air inlet pipe 23, is connected with third spring 29, third between 23 right side wall of inlet piston 26 and air inlet pipe always
When spring 29 is in former long, the second through-hole 25 is not connected to third through-hole 28, and air inlet pipe 23 is in sealed condition.
The present invention is when specifically used, and when original state, deformation occurs for double-layer air bag structure, at this point, squeezing the double-deck gas
Capsule structure, under external force, outer air bag 7 are compressed first, and interior air bag 8 is temporarily uncompressed, and gas will push close in outer air bag 7
6 upward sliding of piston to be sealed, and then pushes 5 upward sliding of sealing block, blocks gas passage, 16 position of the second support plate is constant, the
Two springs 17 are stretched, and continue to squeeze double-layer air bag structure at this time, then interior air bag 8 can be made to be compressed, since sealing block 5 has sealed
Stifled gas passage, then the gas in interior air bag 8 will squeeze check valve 9, be allowed to open, continuous extrusion double-layer air bag structure makes
Gas is discharged from check valve 9 in air bag 8 in obtaining, and stops squeezing double-layer air bag structure, in the case where itself material acts on, outer 7 He of air bag
Interior air bag 8 is gradually recovered original state, and since gas is not reduced in outer air bag 7, sealing block 5 is under the effect of second spring 17 to downslide
It is dynamic, so that sealing block 5 is no longer blocked gas passage, form negative pressure inside interior air bag 8, at this point, 4 lower regions pressure difference mistake of air guide column
Greatly, gas will push air guide column 4 and be allowed to slide downward in drainage bottle 1, so that the first spring 15 is compressed, pass through aspirating flutes 12
It is connected to gas passage, since the width of aspirating flutes 12 is smaller, so that gas flows into the speed of interior air bag 8 more in drainage bottle 1
Gently, it reduce pressure will not too fast, extracting pleural effusion to 1 pressure stabilizing of drainage bottle has good facilitation,
Gas is in flowing to when air bag 8 in drainage bottle 1, and the pressure difference between 4 lower regions of air guide column is also gradually reduced, when air guide column 4
When pressure difference between lower regions is reduced to a certain extent, the upward sliding under the effect of the first spring 15 of air guide column 4 seals again
Stifled gas passage due to being always negative pressure state in drainage bottle 1, therefore can continue to draw hydrops out of thoracic cavity in the process, with
In drainage bottle 1 hydrops increase, the pressure in drainage bottle 1 can be made to increase, while making the pressure between 4 lower regions of air guide column
Difference increases, air guide column 4 under pressure difference effect can slide downward again, gas passage is connected to again, as gas gradually merges into
Interior air bag 8, pressure difference between the two reduce again, and air guide column 4 again upper can be slided, and block gas passage.
During negative pressure drainage, if desired changes the size of negative pressure in drainage bottle 1, pin 29 can be horizontally rotated, be allowed to band
The dynamic horizontal rotation of first disk 10 adjusts the first disk 10 and 13 1 side contacts side of 4 aspirating flutes 12 of air guide column and return-air groove
Thickness, and then adjust drainage bottle 1 in negative pressure
As hydrops gradually increases in drainage bottle 1, the pressure that pressure valve is subject to can be gradually increased, when pressure valve pressure energy
When enough overcoming torsional spring elastic force, valve deck 21 can be opened, and hydrops can be discharged by drain pipe 20, and valve deck 21 is made in permanent magnet 22 after opening
With lower 20 inner wall of abutting drain pipe, facilitate the discharge of hydrops, when valve deck 21 is close to 20 inner sidewall of drain pipe, can press straight-bar 27 makes
Slide to the right, and then inlet piston 26 is pushed to slide to the right, compresses third spring 29, make the second through-hole 25 and third through-hole 28
Connection, and then be connected to air inlet pipe 23, due at this time air bag 8 be negative pressure state in drainage bottle 1, the air after disinfection can through into
Tracheae 23 flows into interior air bag 8, then flows into drainage bottle 1 through gas cylinder 2, makes hydrops that drainage bottle 1,1 inner product of drainage bottle can all be discharged
For liquid all after discharge, pressure valve is no longer influenced by hydrops to its pressure, at this point, permanent magnet 22 can not overcome the suction of valve deck 21
The elastic force of torsional spring, valve deck 21 can be closed under the effect of torsional spring elastic force, and inlet piston 26 slides to the left under the effect of third spring 29,
It is connected to the second through-hole 25 no longer with third through-hole 28, blocks air inlet pipe 23 again.
When device drain, air inlet pipe 23 and interior air bag 8 are in connected state, and the air after disinfection can be flowed through air inlet pipe 23
Into interior air bag 8, the pressure of interior air bag 8 is made to be restored to atmospheric pressure size, at this point, 8 internal pressure of interior air bag is powerful in 1 internal pressure of drainage bottle
By force, 4 upward sliding of air guide column can be made, drainage bottle 1 and interior air bag 8 are connected to by return-air groove 13, gas is flowed into through gas-guide tube 3 again
Drainage bottle 1 can accelerate the flow velocity that gas is flowed into drainage bottle 1 by interior air bag 8, make to arrange since the width of return-air groove 13 is larger
1 pressure of drainage bottle will not reduce too fast when liquid, while the pressure in drainage bottle 1 being made not to be down to very little so that pulling in thoracic cavity
Tissue, the pressure difference between 4 lower regions of air guide column is the vacuum magnitude in discharge opeing process in drainage bottle 1 at this time, passes through control
Make the value of this pressure difference, so that it may control the negative pressure in discharge opeing process in drainage bottle 1, when hydrops is drained in drainage bottle 1 into
Tracheae 23 can block again.
At this point, extruding gasbag again, the gas in interior air bag 8 can be discharged again by check valve 9, become interior air bag 8
Negative pressure state, when the pressure difference between 4 lower regions of air guide column reaches a certain level, the meeting slide downward of air guide column 4 passes through suction
Gas groove 12 is connected to gas passage, becomes negative pressure state in drainage bottle 1, and the continuation of drainage bottle 1 is made to draw hydrops out of thoracic cavity, with
Hydrops gradually increases, and the pressure in drainage bottle 1 is gradually increased, when the pressure difference between 4 lower regions of air guide column reaches certain value
When, air guide column 4 slide downward, connection gas passage, the process before repeating can reach 1 pressure stabilizing of drainage bottle, automatically row again
The purpose of liquid.
The present invention keeps the gas rate of outflow in drainage bottle 1 slow by the way that design aspirating flutes 12 are smaller than the width of return-air groove 13
Slowly, it flows into that speed is rapid, and then keeps the pressure change speed in drainage bottle 1 slow, in order to avoid causing patient uncomfortable, the present invention is also logical
The variation for crossing negative pressure in drainage bottle 1 during the linkage stable effluent of drain pipe 20 and air inlet pipe 23 makes in drainage bottle 1 pressure not
Can be too small, in order to avoid pull thoracic cavity inner tissue.
The present invention contacts the thickness of side, the negative pressure in adjustable drainage bottle 1 by the first disk of control 10 with air guide column 4
Range enables devices to adjust suitable negative pressure according to the stage of patient, and drainage effect is more significant.
The present invention manufactures negative pressure by double-layer air bag structure, so that device does not depend on electric power, can be used for field rescue etc.
Emergency situations.
The present invention is changed without drainage bottle 1 by 20 drain of drain pipe, so that device energy continuous drainage in discharge opeing process,
Avoid the case where interrupting drainage process because of replacement drainage bottle 1.
The present invention has the features such as novel, clever structure, simple, convenient use, can greatly simplify negative pressure
The operating process of drainage device strengthens the stability of negative pressure drainage process, facilitates the use of medical worker, and is suitable for
The emergency situations of various field environments.
Claims (6)
1. a kind of internal hydrops Steady pressure drainage device of operation, which is characterized in that including drainage bottle (1), set on the right side of drainage bottle (1)
There is the gas cylinder (2) vertically placed, drainage bottle (1) is connected to by gas-guide tube (3) with gas cylinder (2), is equipped in gas cylinder (2)
Air guide column (4) above gas cylinder (2) and the sealing block (5) below gas cylinder (2), the connection of sealing block (5) lower end
There is the sealing piston (6) being placed in gas cylinder (2), air guide column (4) and sealing block (5) can slide up and down, gas cylinder (2) lower end
It is connected with double-layer air bag structure, double-layer air bag structure includes the outer air bag (7) being connected with gas cylinder (2) lower end and is located at outer
Air bag (7) internal interior air bag (8) is equipped with check valve (9) on double-layer air bag structure bottom wall, outer air bag (7) and sealing piston
(6) sealing space is formed between, interior air bag (8) is connected to form gas passage with gas cylinder (2)；When air guide column (4) lower regions
When pressure is identical, air guide column (4) blocks gas passage, and when air guide column (4) lower regions are there are when pressure difference, air guide column (4) meeting exists
It is slided up and down under differential pressure action, is connected to gas passage；When original state, sealing block (5) is below, and does not block gas passage,
Double-layer air bag structure is squeezed, outer air bag (7) deformation first pushes sealing piston (6) upward sliding when outer air bag (7) deformation, into
And sealing block (5) upward sliding is pushed, gas passage is blocked, then interior air bag (8) deformation, since sealing block (5) has blocked
Gas passage, therefore interior air bag (8) gas can only be discharged from check valve (9), stop squeezing after interior air bag (8) gas discharge double-deck
Airbag structure, double-layer air bag structure can be gradually restored to the state before deformation, and sealing block (5) can glide, and no longer to block gas logical
Road, at this point, being negative pressure state in interior air bag (8), air guide column (4) slide downward under differential pressure action is connected to gas passage, makes to draw
Stream bottle (1) interior gas flows into interior air bag (8), and then makes to become negative pressure state in drainage bottle (1).
2. a kind of internal hydrops Steady pressure drainage device of operation according to claim 1, which is characterized in that the air guide
It is equipped with inside cylinder (2) and can offer first through hole in the first disk (10) of horizontal plane rotation, the first disk (10) center
(11), first through hole (11) and air guide column (4) cooperate, and air guide column (4) outer edge surface top offers aspirating flutes (12), leads
Air column (4) outer edge surface lower part offers return-air groove (13), and the width of return-air groove (13) is greater than the width of aspirating flutes (12)
And the top of return-air groove (13) is lower than the bottom of aspirating flutes (12), is fixed in gas cylinder (2) and is placed in the first disk (10)
Lower section and the first support plate (14) up and down, are connected with the first spring between air guide column (4) and the first support plate (14)
(15), when original state, air guide column (4) self gravity and the first spring (15) effect under, first through hole (11) inner edge surface with
Fitting, drainage bottle (1) are not connected to interior air bag (8) in the middle part of air guide column (4), and the pressure in drainage bottle (1) is greater than in interior air bag (8)
Pressure when, air guide column (4) can under the action of drainage bottle (1) interior gas slide downward, make drainage bottle (1) and interior air bag (8)
It is connected to by aspirating flutes (12), when the pressure in interior air bag (8) is greater than the pressure in drainage bottle (1), gas including air guide column (4)
The lower meeting upward sliding of gas effect in capsule (8), is connected to drainage bottle (1) by return-air groove (13) with interior air bag (8).
3. a kind of internal hydrops Steady pressure drainage device of operation according to claim 1, which is characterized in that the air guide
It is fixed in cylinder (2) and is placed in the second support plate (16) below sealing block (5) and above sealing piston (6) and up and down,
It is connected between sealing block (5) and the second support plate (16) second spring (17), it is recessed that sealing piston (6) lower end surface offers annular
Slot, interior air bag (8) upper end are connected with the first cylinder (18), and the first cylinder (18) upper end is injected in annular groove, sealing piston (6)
Sliding up and down will not be such that annular groove and the first cylinder (18) is detached from, and sealing piston (6) upward sliding can drive sealing block (5) to exist
Gas cylinder (2) interior upward sliding realizes the closure to gas cylinder (2).
4. a kind of internal hydrops Steady pressure drainage device of operation according to claim 2, which is characterized in that described first
The gradual change in a circumferential direction of disk (10) thickness, the first disk (10) lateral wall are fixed with pin (19), and the other end of pin (19) is set
On the outside of gas cylinder (2), stirs pin (19) and be placed in the one end of gas cylinder (2) outside, the first disk (10) can be driven in the horizontal plane
Rotation, the first disk (10) horizontally rotate adjustable first disk (10) and air guide column (4) aspirating flutes (12) and return-air are recessed
The thickness of (13) one side contacts side of slot, and then the range of negative pressure of adjustable drain bottle (1).
5. a kind of internal hydrops Steady pressure drainage device of operation according to claim 1, which is characterized in that the drainage
It is connected with drain pipe (20) below bottle (1), the pressure valve being placed in drain pipe (20) is installed on the bottom wall of drainage bottle (1), pressed
The valve deck (21) of power valve is hinged on drainage bottle (1) bottom wall and is connected with therebetween torsional spring, and valve deck (21) can be acted in torsional spring
Under be buckled on drainage bottle (1) bottom wall, block drainage bottle (1), drain pipe (20) outer wall is fixed with permanent magnet (22), and valve deck (21) leans on
When nearly permanent magnet (22), permanent magnet (22) can attract valve deck (21) to be allowed to be close to drain pipe (20) inner sidewall.
6. a kind of internal hydrops Steady pressure drainage device of operation according to claim 5, which is characterized in that the interior gas
It is connected with air inlet pipe (23), is fixed with third support plate (24) in air inlet pipe (23), third support plate (24) end face above capsule (8)
On offer the second through-hole (25), the inlet piston that third support plate (24) horizontally slips can be bonded by being equipped in air inlet pipe (23)
(26), inlet piston (26) left end is connected with straight-bar (27), and straight-bar (27) other end is placed in row through drain pipe (20) side wall
In liquid pipe (20), valve deck (21) will push straight-bar (27) when being attracted fitting drain pipe (20) inner sidewall by permanent magnet (22) and slide to the right
Dynamic, inlet piston (26) end face offers third through-hole (28), during inlet piston (26) horizontally slips, third through-hole (28)
Always in air inlet pipe (23), third spring, third bullet are connected between inlet piston (26) and air inlet pipe (23) right side wall
When spring is in former long, the second through-hole (25) is not connected to third through-hole (28), and air inlet pipe (23) is in sealed condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013326.2A CN109045371B (en) | 2018-08-31 | 2018-08-31 | Internal effusion pressure-stabilizing drainage device for operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811013326.2A CN109045371B (en) | 2018-08-31 | 2018-08-31 | Internal effusion pressure-stabilizing drainage device for operation |
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| Publication Number | Publication Date |
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| CN109045371A true CN109045371A (en) | 2018-12-21 |
| CN109045371B CN109045371B (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811013326.2A Active CN109045371B (en) | 2018-08-31 | 2018-08-31 | Internal effusion pressure-stabilizing drainage device for operation |
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| CN113117165A (en) * | 2021-03-24 | 2021-07-16 | 青岛大学附属医院 | Negative pressure drainage debridement device and method for diabetic foot |
| CN113384760A (en) * | 2021-05-25 | 2021-09-14 | 四川大学华西医院 | Be used for ICU severe medical science branch of academic or vocational study nursing with drawing liquid device |
| CN113668351A (en) * | 2021-09-02 | 2021-11-19 | 赵鹏 | Regenerated asphalt pavement material surface aging asphalt layering stripping device |
| CN116271293A (en) * | 2023-05-25 | 2023-06-23 | 四川省医学科学院·四川省人民医院 | Leak-proof abdominal cavity drainage bag |
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| CN111569165A (en) * | 2020-05-26 | 2020-08-25 | 上海市嘉定区中心医院(上海健康医学院附属嘉定区中心医院、上海交通大学医学院附属仁济医院嘉定分院) | Negative pressure suction apparatus |
| CN112197011A (en) * | 2020-09-30 | 2021-01-08 | 福建骏格科技有限公司 | Pressure control valve for closed drainage device capable of controlling negative pressure input |
| CN112450999A (en) * | 2020-12-07 | 2021-03-09 | 蚌埠冠硕医疗科技有限公司 | Interventional medical instrument connecting device and using method thereof |
| CN113117165B (en) * | 2021-03-24 | 2023-06-27 | 青岛大学附属医院 | Negative pressure drainage debridement device and method for diabetic foot |
| CN113117165A (en) * | 2021-03-24 | 2021-07-16 | 青岛大学附属医院 | Negative pressure drainage debridement device and method for diabetic foot |
| CN113384760A (en) * | 2021-05-25 | 2021-09-14 | 四川大学华西医院 | Be used for ICU severe medical science branch of academic or vocational study nursing with drawing liquid device |
| CN113384760B (en) * | 2021-05-25 | 2023-04-07 | 四川大学华西医院 | Be used for ICU severe medical science branch of academic or vocational study nursing with drawing liquid device |
| CN113668351A (en) * | 2021-09-02 | 2021-11-19 | 赵鹏 | Regenerated asphalt pavement material surface aging asphalt layering stripping device |
| CN116271293A (en) * | 2023-05-25 | 2023-06-23 | 四川省医学科学院·四川省人民医院 | Leak-proof abdominal cavity drainage bag |
| CN116271293B (en) * | 2023-05-25 | 2023-07-25 | 四川省医学科学院·四川省人民医院 | Leak-proof abdominal cavity drainage bag |
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