CN102028977A - Low-pressure suction discharge device for medical treatment - Google Patents
Low-pressure suction discharge device for medical treatment Download PDFInfo
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- CN102028977A CN102028977A CN2009101750790A CN200910175079A CN102028977A CN 102028977 A CN102028977 A CN 102028977A CN 2009101750790 A CN2009101750790 A CN 2009101750790A CN 200910175079 A CN200910175079 A CN 200910175079A CN 102028977 A CN102028977 A CN 102028977A
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- water
- liquid collecting
- tubule
- gas
- pressure
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Abstract
The invention aims to provide a novel low-pressure continuous suction device which improves the safety, expands the application, is relatively reasonable from the view point of the economy, has simple structure and is easy in operation. The low-pressure continuous suction device has the structural characteristics that plastic containers are respectively used for forming a first device and a second device; the first device is provided with a discharge opening for discharging gas and one or more connectors combined with the second device, a thin pipe is arranged in the first device, and sealing water is poured into the first device; the second device comprises a liquid collecting part and a water sealing part, a positive pressure reducing valve and a discharge opening combined with the first device are arranged at the upper part of the water sealing part, the second device is also provided with a thin pipe with scales, the upper part of the thin pipe is communicated with the liquid collecting part, and the capacity of the thin pipe is equivalent to the capacity of the sealing water poured into the water sealing part; in addition, the liquid collecting part has scales, and a body fluid inflow opening is arranged at the upper part of the liquid collecting part and is communicated with the thin pipe of the water sealing part through the upper space; and the first device and the second device are combined together by a connecting pipe.
Description
Technical field
The present invention relates to medical low-pressure suction discharger, particularly relate to the low-pressure suction discharger that is used for from body cavity drains such as chest and gas.
Background technology
Behind open chest surgery, in order to make the constant low pressure of using of intrinsic pressure maintenance continue the suction discharger more, the constant method of intrinsic pressure maintenance is general uses known three bottles of methods that have adjust blood pressure bottle, water-sealed drainage bottle and be used to store the bottle of the liquid of discharging from chest as making, the adjust blood pressure bottle is used for importing atmospheric pressure down so that swabbing pressure remains constant from certain water column, water-sealed drainage bottle is used to make the aerofluxus from the chest discharge to slip into the underwater and it is directed to exhaust channel, comes the discharge of detected gas and the negative pressure of detection chest side to produce degree according to the bubble that produces this moment.
The present invention relates to three bottles of methods, three bottles of methods are generally made by linking vial, though the advantage that reuses after existence can be washed, also there is following shortcoming.
(1) needs the wide place that is provided with.(2) assembling labor intensive and should be noted that keeps airtight in the container.(3) bottle might be damaged.(4) washing after the use, sterilization, keeping be trouble very.
In order to improve these shortcomings, consider to use by the disposable products after the integrally manufactured sterilization of plastics, but integral body forms complicated fluid circuit, and medical practitioner uses with erroneous usage often, and owing to is the structure of one and the shortcoming that abandons so exist costliness after use.
Disposable products at these Construction integrations, in Japanese kokai publication sho 57-160463 communique, disclose to use more rationally and have economy isolating liquid collecting portion and water seal portion, pressure-regulating portion are linked together and used, and can separate, change the low-pressure suction device of liquid collecting portion.In this mode, can access following advantage.
That is, (1) owing to can only separate, change liquid collecting portion, therefore can with the liquid collecting portion of low capacity below the 500cc that the child uses or adult with or corresponding according to the liquid collecting portion of the various capacity more than the degree of the 100cc~500cc of therapeutic purposes use.
(2) can after use, only abandon liquid collecting portion, both economical.
(3) for aspirating discharge opeing in the thoracic cavity behind the open chest surgery, usually two discharging tubes are inserted in the thoracic cavity, article one, be configured in the lower position in the thoracic cavity that liquid accumulates easily, another inserts the thoracic cavity internal upper part that gas accumulates easily, can discharge body fluid and gas simultaneously, and discharge situation and the negative pressure that can distinguish detected gas produce degree, can carry out very careful post-operative administration.
But, because this mode also is liquid collecting portion and the isolating form of water seal portion pressure-regulating portion, therefore just in case cause for a certain reason under the situation that connecting portion in use comes off, the gas discharge outlet of liquid collecting portion is directly at the atmosphere split shed, atmosphere directly with in the thoracic cavity is communicated with, the probability of existence to polluting in the thoracic cavity, thus and can't keep micro-vacuum state temporarily to cause the danger of pneumothorax state.
Summary of the invention
The invention provides a kind of low-pressure suction discharger of having brought into play the strong point of the device of being put down in writing in the above-mentioned Japanese kokai publication sho 57-160463 communique and having solved the shortcoming of this device.The present invention can link the liquid trap of the structure that water seal portion, liquid collecting portion are formed as one of one or more other shapings on a regulator.Therefore kept and to have used a liquid trap as required, perhaps link two or more liquid traps, and can select the feature used with patient's the state of an illness and the corresponding necessary minimal liquid collecting capacity of therapeutic purposes, and kept and to have made a plurality of liquid collecting portion keep identical vacuum reliably, can measure respectively from the lifting rate of each discharging tube and the feature of vacuum degree or aerofluxus degree, and additional following advantage be arranged.
Because liquid collecting portion, water seal portion becomes one and can separate with pressure-regulating portion and use, even if separately discharge opeing portion also can directly not communicate with atmospheric pressure across water seal portion so be safe, therefore,
(1) can be safely and easily change liquid collecting side bottle.
(2) can only use the liquid collecting, the water-sealed drainage bottle that do not aspirate adjust blood pressure to be used for the nature drain.
(3) aspirate under the situation of adjust blood pressure at needs, can be connected with other suction regulator and use.
(4) postoperative process good patient in the process of being in hospital in institute during walking, need make the portable excellent of these aspirators, expectation makes its miniaturization, lightweight more, owing to can only discharge opeing bottle, water-sealed drainage bottle be separated, therefore only carry the discharge opeing bottle, water-sealed drainage bottle gets final product, from miniaturization, light-weighted viewpoint is favourable, and can guarantee safety.
As mentioned above, can provide the feature of having brought into play existing apparatus, improved safety, enlarged purposes, from the viewpoint comparison of economy rationally, simple structure and maneuverable novel low pressure continues aspirator.
Description of drawings
Fig. 1 illustrates the front view as the medical low-pressure suction discharger of one embodiment of the present of invention that is in clinical user mode.
Fig. 2 is other the side view of embodiment that illustrates as the liquid trap (second device) of an element of medical low-pressure suction discharger of the present invention.
The specific embodiment
The present invention below is described with reference to the accompanying drawings in further detail.
Utilize the plastic containers be configured as hollow form to form respectively as first device 1 of pressure regulator with as second device 2 of liquid trap, first device 1 is provided with on top and is connected with the suction pump 3 that is used to discharge gas and the connecting piece 5 by outlet 4, utilizing suction pump 3 to make under the situation that becomes negative pressure in the container 1, when the negative pressure more than the water column h that becomes the sterilized water that drops in advance, atmosphere is imported into the built-in tubule 7 from opened upper end mouth 6, and from 8 discharges of lower open mouth, thereby the pressure in the upper space 9 are controlled by water column pressure h all the time.Further, the connector 10a, the 10b that are communicated with upper space 9 are configured in the left and right sides, and have medicated cap with can be airtight, form the structure that can engage with two second devices 2 respectively.Second device 2 is made of liquid trap 11 and water seal portion 12.
Liquid collecting portion 11 has 100 to the capacity of 3000ml, and jumbo liquid collecting portion forms is separated by spaced walls 13, and the structure of storing successively from the upper end overflow of each spaced walls, can easily measure lifting rate by giving scale.The liquid collecting portion of low capacity also can specially not be provided with spaced walls 13.
Have connecting piece 14 on the top of liquid collecting portion 11, in a side upper space, have the path 15 that the mode that can circulate with gas is communicated with the tubule 9 of water seal portion 12 towards body cavity.And also can be provided with owing to the peristomes that is equipped with rubber bolt 16 that use such as samplings.
And water storeroom 21 forms the capacity that can fully take in and gets final product when the water of water-stop chamber 20 rises fully by tubule 19, for more anti-sealing flows out and disperses towards liquid collecting portion 11, preferably is provided with check-valves 22.In addition, the sectional area of thin tube part can be 0.35cm
2~5cm
2About, be preferably 0.5cm
2~1cm
2About.And, be provided with on 20 tops, water-stop chamber can with the banded connection tube 23 of connecting portion 10a, 10b as first device 1 of control part.In addition, also other suction regulator can be connected these connection tube 23 enterprising enforcements uses.
Further, top in water-stop chamber 20, owing to causing intrathoracic pressure power, reasons such as cough becoming malleation, thereby moment surpasses under the situation of exhaust capacity of pressure regulator 1, become malleation in the liquid collecting portion 11, become malleation as the upper interior portion in first device 1 of pressure regulator through water seal portion 12, the aquesterilisa in first device 1 is depressed, exist by tubule 7 and in atmosphere, discharge the probability of aquesterilisa, and exist owing to malleation is not disengaged the probability that causes the pneumothorax state.In order to prevent these situations, thus preferably with superjacent air space that water-stop chamber 20 is communicated with in be provided with the malleation air relief valve 24 of pressure being discharged into the atmosphere in the direct draught work of number cm.And, from needless to say, in the function of only bringing into play liquid collecting portion 11 as second device 2, water seal portion 12 and to be connected under the situation about using with other suction regulator also be effective.
Fig. 2 illustrates other the embodiment as the water seal portion 12 of the liquid collecting water seal portion 11 of an element of the present invention.
The inside on 20 tops, water-stop chamber links by connecting piece 23 and pressure-regulating portion 8, and be communicated with the tubule 25 that leads to liquid collecting room 11 under by the state of water-stop in the bottom, these 2 identical with water seal portion 12 shown in Figure 1, but, tubule 25 is the state that is built in the water seal portion 12 self, its top has expansible liquid reservoir compartment 26, and the path 27 that has the gas communication that is communicated with liquid trap 11 upper spaces in the position of more leaning on the upper end.
As mentioned above, for the present invention, because liquid collecting portion and water seal portion form one, and can separate with pressure-regulating portion and use, even if separately liquid collecting portion also can directly not communicate with atmospheric pressure across water seal portion so be safe, therefore,
(1) can be safely and easily change liquid collecting side bottle.
(2) can only use the liquid-collecting bottle that does not aspirate adjust blood pressure to be used for the nature drain.
(3) aspirating under the situation of adjust blood pressure, can only liquid-collecting bottle be connected with other suction regulator and use.
(4) postoperative process good patient in the process of being in hospital in institute during walking, need make the portable excellent of these aspirators, expectation makes its miniaturization, lightweight more, owing to liquid-collecting bottle can be separated, therefore only carrying liquid-collecting bottle gets final product, from miniaturization, light-weighted viewpoint is favourable, and can guarantee safety.
The present invention is the medical low-pressure suction discharger with aforesaid various advantages.
Claims (1)
1. a medical low-pressure suction discharger is characterized in that,
Utilize the plastic containers be configured as hollow form to form respectively as first device of pressure regulator with as second device of liquid trap,
First device have the outlet that is used for discharging gas on top and with gas can mobile mode by connection tube and bonded one or more connector of second device, and this first device is built-in with top, and to open at atmospheric sectional area be 0.5cm
2~1.0cm
2Tubule, dropping in the inside of this first device has sealing water;
Second device is made of liquid collecting section and water seal section; Water seal section has the malleation pressure-reducing valve and engages with first device by tube connector in the mode that gas can flow on top outlet; And possess and be with graduated tubule; The top of this tubule is communicated with liquid collecting section in the mode that gas can flow; And this tubule has the capacity of working as with the sealing water that drops in the water seal section; In addition; Liquid collecting section has for the scale of measuring lifting rate; The inflow entrance that has body fluid on top; And be communicated with the tubule of water seal section in the mode that gas can flow by upper space
First device and the second devices use connection tube can flow with gas and the mode that can load and unload combines.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009101750790A CN102028977A (en) | 2009-09-27 | 2009-09-27 | Low-pressure suction discharge device for medical treatment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009101750790A CN102028977A (en) | 2009-09-27 | 2009-09-27 | Low-pressure suction discharge device for medical treatment |
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CN102028977A true CN102028977A (en) | 2011-04-27 |
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CN2009101750790A Pending CN102028977A (en) | 2009-09-27 | 2009-09-27 | Low-pressure suction discharge device for medical treatment |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106890371A (en) * | 2017-03-19 | 2017-06-27 | 无锡圣诺亚科技有限公司 | Thoracic duction instrument can be shirked |
CN107583113A (en) * | 2017-09-19 | 2018-01-16 | 广东宏健医疗器械有限公司 | A kind of Portable negative-pressure drainage apparatus |
CN116829204A (en) * | 2023-01-12 | 2023-09-29 | 株式会社三幸制作所 | Liquid discharge bag for electric low-pressure aspirator and electric low-pressure aspirator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2195332Y (en) * | 1994-06-04 | 1995-04-26 | 洛阳医学高等专科学校附属医院 | Controllable water-sealed negative pressure drainage device |
JPH0994294A (en) * | 1995-09-29 | 1997-04-08 | Sumitomo Bakelite Co Ltd | Low-pressure suction/discharge unit for clinical use |
JPH11226115A (en) * | 1998-02-16 | 1999-08-24 | Sumitomo Bakelite Co Ltd | Medical low pressure sucking/discharging device |
CN2449715Y (en) * | 2000-10-17 | 2001-09-26 | 胡伟恩 | Portable body cavity drainage device |
-
2009
- 2009-09-27 CN CN2009101750790A patent/CN102028977A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2195332Y (en) * | 1994-06-04 | 1995-04-26 | 洛阳医学高等专科学校附属医院 | Controllable water-sealed negative pressure drainage device |
JPH0994294A (en) * | 1995-09-29 | 1997-04-08 | Sumitomo Bakelite Co Ltd | Low-pressure suction/discharge unit for clinical use |
JPH11226115A (en) * | 1998-02-16 | 1999-08-24 | Sumitomo Bakelite Co Ltd | Medical low pressure sucking/discharging device |
CN2449715Y (en) * | 2000-10-17 | 2001-09-26 | 胡伟恩 | Portable body cavity drainage device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106890371A (en) * | 2017-03-19 | 2017-06-27 | 无锡圣诺亚科技有限公司 | Thoracic duction instrument can be shirked |
CN107583113A (en) * | 2017-09-19 | 2018-01-16 | 广东宏健医疗器械有限公司 | A kind of Portable negative-pressure drainage apparatus |
CN116829204A (en) * | 2023-01-12 | 2023-09-29 | 株式会社三幸制作所 | Liquid discharge bag for electric low-pressure aspirator and electric low-pressure aspirator |
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Application publication date: 20110427 |