CN102895707B - Negative-pressure drainage device - Google Patents
Negative-pressure drainage device Download PDFInfo
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- CN102895707B CN102895707B CN201210365984.4A CN201210365984A CN102895707B CN 102895707 B CN102895707 B CN 102895707B CN 201210365984 A CN201210365984 A CN 201210365984A CN 102895707 B CN102895707 B CN 102895707B
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- drainage
- bottle
- negative pressure
- drainage bottle
- capping
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Abstract
The invention discloses a negative-pressure drainage device, and belongs to the field of the medical apparatuses and instruments. The negative-pressure drainage device disclosed by the invention comprises a first drainage bottle, a second drainage bottle arranged below the first drainage bottle and communicated with the lower face of the first drainage bottle, a drainage tube and a negative-pressure conduit, wherein the drainage tube and the negative-pressure conduit are communicated with the first drainage bottle, the first drainage bottle and the second drainage bottle are detachably connected, and the joint part of the first drainage bottle and the second drainage bottle is provided with a valve I. The drainage tube communicates the bottle cavity of the first drain bottle with a part requiring drainage, the negative-pressure conduit communicates the bottle cavity of the first drain bottle with a negative pressure source, the negative-pressure drainage device can clean liquid in the drainage bottles without interrupting drainage for a patient, and can automatically regulate and control values of air pressure in the drainage bottles, so that drainage can be performed under set negative pressure.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly a kind of by patient body inner product liquid drainage negative pressure drainage device out.
Background technology
Negative pressure drainage device also claims negative pressure suction device, the negative pressure suction device that negative pressure suction device common at present comprises disposable negative pressure suction device and can reuse.Wherein, there is negative pressure instability in disposable negative pressure suction device, and pressure is non-adjustable and easily cause the problems such as attraction adverse current; The negative pressure suction device that can reuse generally adopts Manual pressure adjusting device, can not be reached the object automatically regulating pressure of the inside of a bottle according to the pressure change in drainage bottle, lack of wisdom characteristic by this Manual pressure adjusting device.That disposable negative pressure suction device or the negative pressure suction device that can reuse all need to cut off negative pressure source at replacing drainage bottle or in removing drainage bottle when liquid, make drain work can not continue to carry out, cause the interruption to patient body inner product liquid drainage, may therapeutic effect be affected.
For the deficiencies in the prior art, need improve existing technology, enable negative pressure drainage device removing in drainage bottle the drain do not affected when liquid patient, even if negative pressure drainage is continued to carry out, and enable the atmospheric pressure value that negative pressure drainage device is accomplished in auto-control drainage bottle, carry out under making drain remain on the negative pressure of setting.
Summary of the invention
In view of this, the invention provides a kind of negative pressure drainage device, this negative pressure drainage device can not affect the drain to patient in removing drainage bottle when liquid, even if negative pressure drainage is continued to carry out, and the atmospheric pressure value in auto-control drainage bottle can be accomplished, carry out under making drain remain on the negative pressure of setting.
The present invention is solved the problems of the technologies described above by following technological means:
Negative pressure drainage device of the present invention, comprise the first drainage bottle, to be arranged at below the first drainage bottle and with its second drainage bottle, drainage tube and negative pressure catheter be connected below, described drainage tube is connected with the first drainage bottle with negative pressure catheter, described first drainage bottle and the second drainage bottle are detachable connection, and the connecting portion of described first drainage bottle and the second drainage bottle is provided with valve I.
Further, also comprise capping, described drainage tube and negative pressure catheter are arranged in capping, and the uncovered position seal cover of described capping and the first drainage bottle upper end is joined.
Further, also comprise air pressure device for automatically regulating, described air pressure device for automatically regulating comprises sensor apparatus, electromagnetic valve and microprocessor, and described electromagnetic valve is arranged on negative pressure catheter, and described negative pressure catheter is connected with the bottle chamber of the first drainage bottle by electromagnetic valve; Described sensor apparatus is arranged on capping or negative pressure catheter, and the air pressure end of probe of sensor apparatus is connected with the bottle chamber of the first drainage bottle; Described microprocessor simultaneously with sensor apparatus and electromagnetic valve by the opening and closing of connection in order to automatic control electric magnet valve.
Further, described capping is also provided with liquid level sensor and alarm, described liquid level sensor passes through connection with alarm and microprocessor respectively.
Further, described electromagnetic valve is two-bit triplet electromagnetic valve, described two-bit triplet electromagnetic valve is provided with first interface, the second interface and the 3rd interface, described first interface is arranged in capping and with the bottle chamber of the first drainage bottle and is connected, second interface is connected with negative pressure catheter, and the 3rd interface is connected with outside air.
Further, described microprocessor is PLC programmable logic controller (PLC), described PLC programmable logic controller (PLC) is provided with the button for setting negative pressure value.
Further, described first drainage bottle and the second drainage bottle are threaded connection.
Further, described drainage tube is provided with valve II.
Further, also comprise moveable support, for removably connecting between the top of described support and capping, described first drainage bottle and the second drainage bottle are hung by capping and are located on support.
Beneficial effect of the present invention: negative pressure drainage device of the present invention, comprise the first drainage bottle, to be arranged at below the first drainage bottle and with its second drainage bottle, drainage tube and negative pressure catheter be connected below, described drainage tube is connected with the first drainage bottle with negative pressure catheter, described first drainage bottle and the second drainage bottle are detachable connection, and the connecting portion of described first drainage bottle and the second drainage bottle is provided with valve I.By arranging the first drainage bottle and the second drainage bottle that are interconnected up and down and arrange valve I between the first drainage bottle and the second drainage bottle, without the need to closing negative pressure source when making the hydrops in removing second drainage bottle, only valve I need be closed and then the bottom of the second drainage bottle from the first drainage bottle be unloaded down, thus reach the object of uninterrupted drain.
Further, negative pressure drainage device of the present invention is also provided with air pressure device for automatically regulating, described air pressure device for automatically regulating comprises sensor apparatus, electromagnetic valve and microprocessor, described electromagnetic valve is arranged on negative pressure catheter, and described negative pressure catheter is connected with the bottle chamber of the first drainage bottle by electromagnetic valve; Described sensor apparatus is arranged on capping or negative pressure catheter, and the air pressure end of probe of sensor apparatus is connected with the bottle chamber of the first drainage bottle; Described microprocessor simultaneously with sensor apparatus and electromagnetic valve by the opening and closing of connection in order to automatic control electric magnet valve.Air pressure device for automatically regulating as above is set and can realizes automatic Isobarically Control, thus the situation avoiding negative pressure too high or too low occurs.
In addition, negative pressure drainage device of the present invention is also provided with liquid level sensor and alarm, liquid level sensor is set and alarm makes negative pressure drainage device of the present invention have auto-alarm function, thus avoids the situation too much affecting drain because the hydrops in drainage bottle to occur.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is overall structure schematic diagram of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is described in detail, as shown in the figure: negative pressure drainage device of the present invention, comprise the first drainage bottle 16, be arranged at the second drainage bottle 19 below the first drainage bottle 16, capping 11, drainage tube 1 and negative pressure catheter 9, the uncovered position seal cover of described capping 11 and the first drainage bottle 16 upper end is joined.The bottom of described first drainage bottle 16 is provided with leakage fluid dram 17, and described first drainage bottle 16 is connected with the second drainage bottle 19 by leakage fluid dram 17.Described drainage tube 1 and negative pressure catheter 9 to be arranged in capping 11 and to be connected with the first drainage bottle 16, and described first drainage bottle 16 is connected for detachable with the second drainage bottle 19, and the connecting portion of described first drainage bottle 16 and the second drainage bottle 19 is provided with valve I18.
The bottle chamber of the first drainage bottle 16 is connected with needing the position of drain by described drainage tube 1, and the bottle chamber of the first drainage bottle 16 is connected with extraneous negative pressure source by described negative pressure catheter 9.During work, described valve I18 is in normally open, open negative pressure source, now the first drainage bottle 16 and the second drainage bottle 19 inside form negative pressure and start drain, drain liquid out enters into the second drainage bottle 19 by leakage fluid dram 17, when the liquid in the second drainage bottle 19 is expired soon, valve-off I 18, then the second drainage bottle 19 is unloaded from the first drainage bottle 16, now because the first drainage bottle 16 is still in sealing state, so unload the second drainage bottle 19 can't change negative pressure in the first drainage bottle 16, and then the situation avoided the hydrops because removing in drainage bottle and make drain interrupt occurs.
As the further improvement of technique scheme, also comprise air pressure device for automatically regulating, described air pressure device for automatically regulating comprises sensor apparatus 3, electromagnetic valve 12 and microprocessor 6, described electromagnetic valve 12 is arranged on negative pressure catheter 9, and described negative pressure catheter 9 is connected by the bottle chamber of electromagnetic valve 12 with the first drainage bottle 16; Described sensor apparatus 3 is arranged on capping 11 or negative pressure catheter 9, and the air pressure end of probe of sensor apparatus 3 is connected with the bottle chamber of the first drainage bottle 16; Described microprocessor 6 is connected the opening and closing in order to automatic control electric magnet valve 12 with sensor apparatus 3 and electromagnetic valve 12 by circuit 4 simultaneously, described microprocessor 6 is PLC programmable logic controller (PLC), described PLC programmable logic controller (PLC) is provided with the button 5 for setting negative pressure value.Air pressure device for automatically regulating is set and can realizes automatic constant pressure control, and then the situation avoiding negative pressure too high or too low occurs.
As the further improvement of technique scheme, described capping is also provided with liquid level sensor 13 and alarm 14, described liquid level sensor 13 is connected by circuit 4 with alarm 14 and microprocessor 6 respectively.When the liquid level in the first drainage bottle 16 reaches the height set by liquid level sensor 13, described liquid level sensor 13 will send the signal of telecommunication to alarm 14 and microprocessor 6, described alarm 14 will send audible and visible alarm, after described microprocessor 6 receives the signal of telecommunication from liquid level sensor 13, Controlling solenoid valve 12 is cut off being communicated with of negative pressure catheter 9 and the first drainage bottle 16, and in the first drainage bottle 16, put into air by electromagnetic valve 12 negative pressure of drainage bottle is reduced, thus avoid because the hydrops in drainage bottle is too high and block electromagnetic valve 12.In the present embodiment, described electromagnetic valve 12 is two-bit triplet electromagnetic valve preferably, described two-bit triplet electromagnetic valve is provided with first interface 15, second interface 8 and the 3rd interface 7, described first interface 15 to be arranged in capping 11 and to be connected with the bottle chamber of the first drainage bottle 16, second interface 8 is connected with negative pressure catheter 9, and the 3rd interface 7 is connected with outside air.During work, described sensor apparatus 3 is for measuring the negative pressure value of the first drainage bottle 16 bottles of intracavity, and this negative pressure value is changed into digital signal or simulation model be sent in microprocessor 6 by circuit 4, microprocessor 6 is by the magnitude relationship between internal processes comparison this negative pressure value and set negative pressure value, when microprocessor 6 judges the negative pressure of the first drainage bottle 16 bottles of intracavity lower than setting value, to send and control signal in electromagnetic valve 12, the 3rd interface 7 on two-bit triplet electromagnetic valve is closed, and the second interface 8 is connected with first interface 15; When microprocessor 6 judges the negative pressure of the first drainage bottle 16 bottles of intracavity higher than setting value, will send and control signal in electromagnetic valve 12, the second interface 8 on two-bit triplet electromagnetic valve is closed, and the 3rd interface 7 is connected with outside air.Two-bit triplet electromagnetic valve is adopted to have compact conformation, automaticity advantages of higher.
As the further improvement of technique scheme, bottleneck and the leakage fluid dram 17 of described second drainage bottle 19 are threaded connection.The advantages such as employing is threaded and has structure simply, easy to operate.
As the further improvement of technique scheme, described drainage tube 1 is provided with valve II 2.Described valve II 2 preferably flow-limiting valve, arranges the flow velocity that flow-limiting valve can facilitate liquid in Non-follow control drainage tube at any time, and when to have a power failure or when cancelling suddenly negative pressure, by valve-off II 2 to avoid generation liquid return accident.
As the further improvement of technique scheme, also comprise moveable support 10, the bottom of described support 10 is provided with wheel 20 so that the movement of support 10, for removably connecting between the top of described support 10 and capping 11, described first drainage bottle 16 and the second drainage bottle 19 are hung by capping 11 to be established over the mount 10, described first drainage bottle 16 and the second drainage bottle 19 is hung and establishes over the mount 10 in order to facilitate the handling of the first drainage bottle 16 and the second drainage bottle 19.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. a negative pressure drainage device, it is characterized in that: comprise the first drainage bottle (16), be arranged at the first drainage bottle (16) below and with its second drainage bottle (19) be connected below, drainage tube (1) and negative pressure catheter (9), described drainage tube (1) is connected with the first drainage bottle (16) with negative pressure catheter (9), described first drainage bottle (16) is connected for detachable with the second drainage bottle (19), and described first drainage bottle (16) is provided with valve I (18) with the connecting portion of the second drainage bottle (19); Also comprise capping (11), described drainage tube (1) and negative pressure catheter (9) are arranged in capping (11), and described capping (11) is joined with the uncovered position seal cover of the first drainage bottle (16) upper end; Also comprise air pressure device for automatically regulating, described air pressure device for automatically regulating comprises sensor apparatus (3), electromagnetic valve (12) and microprocessor (6), described electromagnetic valve (12) is arranged on negative pressure catheter (9), and described negative pressure catheter (9) is connected with (16) bottle chamber of the first drainage bottle by electromagnetic valve; Described sensor apparatus (3) is arranged on capping (11) or negative pressure catheter (9), and the air pressure end of probe of sensor apparatus (3) is connected with the bottle chamber of the first drainage bottle (16); Described microprocessor (6) is connected the opening and closing in order to automatic control electric magnet valve (12) with sensor apparatus (3) and electromagnetic valve (12) by circuit (4) simultaneously; Described electromagnetic valve (12) is two-bit triplet electromagnetic valve, described two-bit triplet electromagnetic valve is provided with first interface (15), the second interface (8) and the 3rd interface (7), described first interface (15) is arranged on capping (11) and goes up and be connected with the bottle chamber of the first drainage bottle (16), second interface (8) is connected with negative pressure catheter (9), and the 3rd interface (7) is connected with outside air.
2. negative pressure drainage device according to claim 1, it is characterized in that: described capping (11) is also provided with liquid level sensor (13) and alarm (14), described liquid level sensor (13) is connected by circuit (4) with alarm (14) and microprocessor (6) respectively.
3. negative pressure drainage device according to claim 2, is characterized in that: described microprocessor (6) is PLC programmable logic controller (PLC), described PLC programmable logic controller (PLC) is provided with the button (5) for setting negative pressure value.
4. negative pressure drainage device according to claim 3, is characterized in that: described first drainage bottle (16) and the second drainage bottle (19) are threaded connection.
5. negative pressure drainage device according to claim 4, is characterized in that: described drainage tube (1) is provided with valve II (2).
6. negative pressure drainage device according to claim 5, it is characterized in that: also comprise moveable support (10), for removably connecting between the top of described support (10) and capping (11), described first drainage bottle (16) and the second drainage bottle (19) are hung by capping (11) and are located on support (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210365984.4A CN102895707B (en) | 2012-09-27 | 2012-09-27 | Negative-pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210365984.4A CN102895707B (en) | 2012-09-27 | 2012-09-27 | Negative-pressure drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102895707A CN102895707A (en) | 2013-01-30 |
| CN102895707B true CN102895707B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210365984.4A Expired - Fee Related CN102895707B (en) | 2012-09-27 | 2012-09-27 | Negative-pressure drainage device |
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| Country | Link |
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| CN (1) | CN102895707B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316883B (en) * | 2013-05-20 | 2016-07-13 | 深圳湃尔生物科技有限公司 | Wash trigger waste liquid discharge device |
| CN103418044A (en) * | 2013-08-29 | 2013-12-04 | 苏州市亚新医疗用品有限公司 | Combined negative pressure drainage device |
| CN104090070B (en) * | 2014-06-16 | 2015-12-16 | 武汉维斯第医用科技股份有限公司 | For the test macro of Medical negative pressure closed drainage conductivity of materials |
| CN104225692A (en) * | 2014-09-25 | 2014-12-24 | 内蒙古力丰医疗科技有限公司 | Waste liquid negative pressure collection device |
| CN105107030B (en) * | 2015-07-20 | 2017-10-13 | 刘蓬 | Hydraulic drive type depression drainage device |
| CN105194744B (en) * | 2015-08-24 | 2017-10-13 | 苟增梅 | A kind of fluid dynamic depression drainage device |
| CN105268035B (en) * | 2015-08-24 | 2017-10-27 | 苟增梅 | Adjustable fluid power depression drainage device |
| CN106806951B (en) * | 2016-12-28 | 2018-03-16 | 潍坊医学院附属医院 | Negative pressure drainage device |
| CN110680968A (en) * | 2019-10-28 | 2020-01-14 | 温州市中西医结合医院 | Novel negative pressure drainage bottle that is convenient for change prevents suck-back device |
| CN113274566A (en) * | 2021-05-18 | 2021-08-20 | 四川省肿瘤医院 | Negative pressure drainage device and negative pressure drainage method |
| CN113398344A (en) * | 2021-07-19 | 2021-09-17 | 浙江医院 | Suction device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4047526A (en) * | 1975-05-22 | 1977-09-13 | Sorenson Research Co., Inc. | Autologous blood system and method |
| CN2176776Y (en) * | 1993-07-25 | 1994-09-14 | 宗酉明 | Disposable medical negative-pressure suction liquid-collecting device |
| CN2307574Y (en) * | 1997-05-16 | 1999-02-17 | 王钦尧 | Suction therapeutic equipment |
| CN2655914Y (en) * | 2003-10-21 | 2004-11-17 | 张家俊 | Negative pressure preset electric suction apparatus |
-
2012
- 2012-09-27 CN CN201210365984.4A patent/CN102895707B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4047526A (en) * | 1975-05-22 | 1977-09-13 | Sorenson Research Co., Inc. | Autologous blood system and method |
| CN2176776Y (en) * | 1993-07-25 | 1994-09-14 | 宗酉明 | Disposable medical negative-pressure suction liquid-collecting device |
| CN2307574Y (en) * | 1997-05-16 | 1999-02-17 | 王钦尧 | Suction therapeutic equipment |
| CN2655914Y (en) * | 2003-10-21 | 2004-11-17 | 张家俊 | Negative pressure preset electric suction apparatus |
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| CN102895707A (en) | 2013-01-30 |
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