CN107126584B - Negative pressure filter for removing blood cells in drainage liquid and assisting component quantification - Google Patents
Negative pressure filter for removing blood cells in drainage liquid and assisting component quantification Download PDFInfo
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- CN107126584B CN107126584B CN201710322601.8A CN201710322601A CN107126584B CN 107126584 B CN107126584 B CN 107126584B CN 201710322601 A CN201710322601 A CN 201710322601A CN 107126584 B CN107126584 B CN 107126584B
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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
- A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
-
- 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
- A61M1/73—Suction drainage systems comprising sensors or indicators for physical values
- A61M1/734—Visual indicating means for flow
-
- 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
- A61M1/84—Drainage tubes; Aspiration tips
-
- 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
- A61M1/88—Draining devices having means for processing the drained fluid, e.g. an absorber
-
- 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
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
-
- 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
- A61M2205/18—General characteristics of the apparatus with alarm
-
- 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
- A61M2205/3334—Measuring or controlling the flow rate
-
- 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
- A61M2205/75—General characteristics of the apparatus with filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- External Artificial Organs (AREA)
Abstract
The invention relates to a negative pressure filtering device for removing blood cells in drainage liquid and assisting component quantification, wherein a drainage tube is connected with an anti-seepage pollution device through a connector, the anti-seepage pollution device is connected with a component enrichment device through a connector, the component enrichment device is connected with a collecting catheter of a collecting device, and a stop valve is arranged on the connector; the anti-seepage pollution device is provided with a first conduit, and the first conduit is provided with seepage removing filling; the component enrichment device is provided with a second conduit, the second conduit is provided with component enrichment filling, and the component enrichment filling is more than one layer of filling film or filler; the collecting catheter extends into the collecting bottle, and the collecting bottle is connected with the negative pressure device through the negative pressure catheter; the detection device is provided with a front end detection sensor and a rear end detection sensor which are used for detection, the front end detection sensor and the rear end detection sensor are respectively connected with a controller, and the controller is respectively connected with the input-output device and the alarm device. The invention is convenient to detach and replace, has the filtering function and monitors the drainage liquid in real time.
Description
Technical Field
The invention relates to the technical field of medical detection equipment, in particular to a negative pressure filter device which is convenient to detach and replace, has a filtering function, monitors drainage liquid in real time, removes blood cells in the drainage liquid and assists component quantification.
Background
The existing negative pressure drainage device can only suck out liquid in the cavities of organs of human bodies such as thoracic cavity, abdominal cavity and the like for metering, but can not avoid that the blood seepage at the drainage incision part is sucked into the drainage device together, so that the distortion of quantitative components of drainage liquid volume, cells, protein and nucleic acid is caused, the clinical misdiagnosis is easily caused, various components in the drainage liquid are mixed, and the series analysis such as downstream chromatographic mass spectrometry is difficult. The main solution at present is that liquid is drained for a period of time first, the default is that early drainage liquid is polluted, and the drainage pipeline is re-connected after pouring, but the operation has the problems of secondary pollution and complicated clinical operation, and in addition, the adhesion of the early polluted liquid on the inner wall of the drainage pipeline is difficult to completely remove, so that the adverse effect can be generated on the follow-up liquid even if the drainage is continued.
The existing drainage device is in an unmanned monitoring state, often the drainage pipeline is pulled out due to the fact that the body position changes, the pipeline is dragged and the like in the drainage process of a patient, a large amount of air is sucked into the pipeline under a negative pressure state, or the pipeline is blocked due to excessive blood seepage or too high protein components, so that medical staff is difficult to perceive in a short time, when the drainage device is found, a new drainage pipeline is required to be pulled out again and implanted, retrograde infection is easily introduced, the pain of a patient, the related medical cost and other series of problems are increased, meanwhile, the drainage quantity mostly depends on the external scale reading of a drainage bottle, and inaccurate and real-time retroactive drainage data cannot be provided in the reading.
The existing drainage tube can only collect a specimen at a limited position, and more relies on liquid directly poured out of a drainage bottle, so that the drainage tube is very inconvenient and easy to pollute the specimen. Meanwhile, the problem of poor drainage caused by easy buckling exists, and although the supporting strength of the pipe wall is enhanced by increasing the diameter of the cross section of the pipeline, the effect is still poor and the manufacturing cost of the pipeline is greatly increased.
A negative pressure filter device which is convenient to detach and replace, has a filtering function, monitors the drainage liquid in real time, eliminates blood cells in the drainage liquid and assists component quantification is needed.
Disclosure of Invention
The invention aims to provide a negative pressure filter device which is convenient to detach and replace, has a filtering function, monitors the drainage liquid in real time, removes blood cells in the drainage liquid and assists component quantification.
A negative pressure filtration device for removing blood cells from a fluid and assisting in the quantification of constituents, comprising:
the drainage tube is connected with the blood seepage prevention pollution device through a connector, the blood seepage prevention pollution device is connected with the component enrichment device through a connector, the component enrichment device is connected with a collecting catheter of the collecting device, and a stop valve is arranged on the connector;
the anti-seepage pollution device is provided with a first conduit, and the first conduit is provided with seepage removing filling; the component enrichment device is provided with a second conduit, the second conduit is provided with component enrichment filling, and the component enrichment filling is more than one layer of filling film or filler; the collecting catheter extends into the collecting bottle, and the collecting bottle is connected with the negative pressure device through the negative pressure catheter;
the detection device is provided with a front end detection sensor and a rear end detection sensor which are used for detection, the front end detection sensor and the rear end detection sensor are respectively connected with a controller, and the controller is respectively connected with an input and output device and an alarm device.
And when the second guide pipes are in a serial connection mode, the component enrichment filling is a filling film, or a filling material, or the filling film and the filling material are in serial connection, or the second guide pipes are in a parallel connection mode.
The component enrichment filling membrane is one or more of a protein enrichment membrane, a nucleic acid enrichment membrane, a polypeptide enrichment membrane and a polysaccharide enrichment membrane, and the component enrichment filling filler is filler particles.
The front end detection sensor and the rear end detection sensor are respectively arranged at two ends of the second conduit.
The front end detection sensor and the rear end detection sensor are respectively a contact type flow sensor and a bubble sensor.
The collecting bottle outside is equipped with the collecting bag that is used for sealedly, perhaps sealing plug.
The collecting bottle is provided with scales.
The collecting catheter is internally provided with one-way valves, and the number of the one-way valves is more than one.
One or more of the drainage tube, the first guide tube, the second guide tube and the collecting guide tube are anti-bent tubes, the outer sides of the anti-bent tubes are hollow sleeves, or solid sleeves or annular interlayers, and the solid sleeve annular interlayers are communicated with the outside through switch valves.
One or more of the drainage tube, the first conduit, the second conduit and the collecting conduit are provided with elastic sealing films.
The drainage tube is connected with the blood pollution prevention device through a connector, the blood pollution prevention device is connected with the component enrichment device through a connector, the component enrichment device is connected with a collecting catheter of the collecting device, and a stop valve is arranged on the connector; the anti-seepage pollution device is provided with a first conduit, and the first conduit is provided with seepage removing filling; the component enrichment device is provided with a second conduit, the second conduit is provided with component enrichment filling, and the component enrichment filling is more than one layer of filling film or filler; the collecting catheter extends into the collecting bottle, and the collecting bottle is connected with the negative pressure device through the negative pressure catheter; the detection device is provided with a front end detection sensor and a rear end detection sensor which are used for detection, the front end detection sensor and the rear end detection sensor are respectively connected with a controller, and the controller is respectively connected with the input-output device and the alarm device. Avoiding the leakage of early wound blood (red blood cells and hemolysis) of the drainage liquid to pollute the drainage liquid to be analyzed; the direct derivation of the components of the filtered concentrated drainage liquid is realized through a detachable design, and the subsequent chromatographic mass spectrometry process is connected in a seamless manner; the filtration and concentration of different components of the drainage liquid are realized through a detachable device; the precise retrospective quantification of the drainage quantity in the drainage pipeline and the real-time online alarm of the ineffective air drainage caused by blockage or drainage tube release are realized through the connection of the monitoring probe and the remote monitoring. The invention is convenient to detach and replace, has the filtering function and monitors the drainage liquid in real time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a second conduit parallel structure according to the present invention;
FIG. 3 is a cross-sectional view of an anti-trap with a hollow sleeve of the present invention;
FIG. 4 is a cross-sectional view of an anti-trap with a solid sleeve of the present invention;
FIG. 5 is a cross-sectional view of an anti-trap with an on-off valve of the present invention;
FIG. 6 is a schematic view of the structure of the elastic sealing film of the present invention;
in the figure: 1. the device comprises a drainage tube, 2, a blood contamination prevention device, 3, a component enrichment device, 4, a collecting device, 5, a detection device, 6, a connector, 7, a stop valve, 8, an anti-bending tube, 9, an elastic sealing film, 21, a first conduit, 22, blood permeation removal filling, 31, a second conduit, 32, component enrichment filling, 41, a collecting bottle, 42, a collecting conduit, 43, a negative pressure conduit, 44, a negative pressure device, 45, a collecting bag, 46, a scale, 47, a one-way valve, 51, a front end detection sensor, 52, a rear end detection sensor, 53, a controller, 54, an input and output device, 55, an alarm device, 81, a hollow sleeve, 82, a solid sleeve, 83 and a switch valve.
Detailed Description
The invention is further described below with reference to the drawings and specific examples.
Example 1:
a negative pressure filtration device for removing blood cells from a fluid and assisting in the quantification of constituents, comprising: the drainage tube 1, the drainage tube 1 is connected with the blood seepage prevention pollution device 2 through a connector 6, the blood seepage prevention pollution device 2 is connected with the component enrichment device 3 through the connector 6, the component enrichment device 3 is connected with a collecting catheter 42 of the collecting device 4, and the connector 6 is provided with a stop valve 7; the anti-seepage pollution device 2 is provided with a first conduit 21, and the first conduit 21 is provided with a seepage removing filling 22; the component enrichment device 3 is provided with a second conduit 31, the second conduit 31 is provided with component enrichment filling 32, and the component enrichment filling 32 is more than one layer of filling film or filler; the collecting conduit 42 extends into the collecting bottle 41, and the collecting bottle 41 is connected with the negative pressure device 44 through the negative pressure conduit 43; the detection device 5, the detection device 5 is provided with a front end detection sensor 51 and a rear end detection sensor 52 for detection, the front end detection sensor 51 and the rear end detection sensor 52 are respectively connected with a controller 53, and the controller 53 is respectively connected with an input/output device 54 and an alarm device 55.
The number of the second pipes 31 is one or more, and when the second pipes 31 are connected in series, the component enrichment packing 32 is a packing film, a packing material, a packing film and a packing material are connected in series, or the second pipes 31 are connected in parallel. The component enrichment filling 32 filling film is one or more of a protein enrichment film, a nucleic acid enrichment film, a polypeptide enrichment film and a polysaccharide enrichment film, and the component enrichment filling 32 filling is filler particles. The front end detection sensor 51 and the rear end detection sensor 52 are provided at both ends of the second duct 31, respectively. The front end detection sensor 51 and the rear end detection sensor 52 are respectively a contact flow sensor and a bubble sensor. The outside of the collection bottle 41 is provided with a collection bag 45 for sealing, or a sealing plug. The collection bottle 41 is provided with a scale 46. The collecting duct 42 is provided with one-way valves 47 inside, and the number of the one-way valves 47 is more than one.
One or more of the drainage tube 1, the first conduit 21, the second conduit 31 and the collecting conduit 42 is an anti-bending tube 8, the outer side of the anti-bending tube 8 is a hollow sleeve 81, or a solid sleeve 82, or an annular interlayer, and the annular interlayer of the hollow sleeve 81 is communicated with the outside through a switch valve 83 and inflated by positive pressure to resist buckling. One or more of the drainage tube 1, the first conduit 21, the second conduit 31 and the collecting conduit 42 is provided with an elastic sealing membrane 9.
Avoiding the leakage of early wound blood (red blood cells and hemolysis) of the drainage liquid to pollute the drainage liquid to be analyzed. The direct derivation of the components of the filtered concentrated drainage liquid is realized through the detachable design of the joint 6 and the stop valve 7, and the subsequent chromatographic mass spectrometry process is connected in a seamless way. The filtration and concentration of different components of the drainage liquid are realized through the detachable device. The precise retrospective quantification of the drainage quantity in the drainage pipeline and the real-time online alarm of the ineffective air drainage caused by blockage or drainage tube release are realized. The compression-resistant property of the pipeline is realized through the inner sleeve and the inflation design. Sterile sampling at different parts of the drainage pipeline can be realized through modular connection of the elastic sealing film 9 and the drainage pipeline.
Adding a removable portion to a negative pressure system, comprising: the device comprises a blood contamination prevention device 2 for filtering cells, a component enrichment device 3, and a detection device 5 for monitoring specific components of concentrated drainage liquid; the former can avoid the influence of the blood seepage in the early drainage liquid, and meanwhile, the module is a detachable replacement module which can be replaced according to the early blood seepage degree, so that the influence of the blood seepage on the drainage liquid is fundamentally avoided; the latter can be connected with different component enrichment membranes or enrichment columns according to the requirement, so as to realize continuous on-line enrichment of one or more specific components (proteins with different molecular weights, special proteins and nucleic acids) in the drainage liquid, and meanwhile, the front and rear outlets of the drainage liquid are designed to be connected with the current popular chromatograph mass spectrum in series, so that seamless connection with subsequent analysis is realized.
In addition, the flow monitoring module is connected to the upstream of the drainage tube, the drainage amount of each time can be accurately prompted and recorded, meanwhile, the on-line detection of air in the tube is realized, the reminding that the drainage device is used for sucking a large amount of air or the tube is blocked, so that no drainage liquid flows out is realized due to the fact that the drainage device is separated by combining the photoelectric and remote early warning devices, the effective controllable management of the drainage tube is conveniently realized by medical staff, the problems are timely processed, the series of problems caused by the separation or blocking of the tube are reduced, and the flow monitoring module can provide accurate drainage liquid quantification.
Further, a repeatedly sampling window which is sealed by a membrane is respectively provided at the upstream and downstream of the module of the pipeline, thereby helping to realize accurate evaluation of drainage liquid components and efficiency of the filtration concentration module. Elastic sealing films 9 are reserved at a plurality of parts of the drainage tube, and the modules are connected in series with the drainage tube in a building block mode, so that sampling at different positions according to actual needs can be realized; finally, through redesign of the pipeline, the support strength of the pipe wall is obviously improved by embedding more than two small pipelines with inflatable deformation or non-deformable on the inner side of the outer sleeve pipeline, and serious deformation or collapse of the pipeline under the compression of the patient body is avoided, so that drainage is not smooth or interrupted.
Compared with the prior art, the invention has the advantages that:
1. avoiding the leakage of early wound blood (red blood cells and hemolysis) of the drainage liquid to pollute the drainage liquid to be analyzed;
2. the direct derivation of the components of the filtered concentrated drainage liquid is realized through a detachable design, and the subsequent chromatographic mass spectrometry process is connected in a seamless manner;
3. the filtration and concentration of different components of the drainage liquid are realized through a detachable device;
4. the precise retrospective quantification of the drainage quantity in the drainage pipeline and the real-time online alarm of ineffective air drainage caused by blockage or drainage tube release are realized through the connection of the monitoring probe and the remote monitoring;
5. the compression-resistant property of the pipeline is realized through the inner sleeve and the inflatable design;
6. sterile sampling at different parts of the drainage pipeline can be realized through modular connection of the special-designed membrane-enclosed puncture-resistant module and the drainage pipeline.
The device is suitable for various negative pressure drainage pipelines, in particular to a pipeline system which needs subsequent analysis of drainage liquid. The pollution of wound bleeding to subsequent drainage liquid is avoided through the detachable module; the enrichment module is connected to the pipeline, so that enrichment interception of certain or some specific components in the drainage liquid can be realized, and subsequent analysis is convenient; the precise retrospective analysis of the drainage quantity and the alarm prompt of the drainage pipeline falling or blockage are realized through the monitoring probe and the remote monitoring; the pressure-resistant folding characteristic of all or specific section pipelines is realized through the inner sleeve pipelines and the inflatable design; sterile sampling at different parts of the drainage pipeline can be realized through modular connection of the elastic sealing film 9 and the drainage pipeline.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Negative pressure filter device for removing blood cells in drainage fluid and assisting component quantification, characterized by comprising:
the device comprises a drainage tube (1), wherein the drainage tube (1) is connected with a blood seepage prevention pollution device (2) through a connector (6), the blood seepage prevention pollution device (2) is connected with a component enrichment device (3) through the connector (6), the component enrichment device (3) is connected with a collection catheter (42) of a collection device (4), and a stop valve (7) is arranged on the connector (6);
the anti-seepage pollution device (2) is provided with a first conduit (21), and the first conduit (21) is provided with a seepage removing filling (22); the component enrichment device (3) is provided with a second conduit (31), the second conduit (31) is provided with component enrichment filling (32), and the component enrichment filling (32) is more than one layer of filling film or filler; the collecting conduit (42) extends into the collecting bottle (41), and the collecting bottle (41) is connected with the negative pressure device (44) through the negative pressure conduit (43);
the detection device (5) is provided with a front end detection sensor (51) and a rear end detection sensor (52) for detection, the front end detection sensor (51) and the rear end detection sensor (52) are respectively connected with a controller (53), and the controller (53) is respectively connected with an input and output device (54) and an alarm device (55);
the second guide pipes (31) are more than one, when the second guide pipes (31) are in a series connection mode, the component enrichment filling (32) is a filling film, or a filling material, or the filling film and the filling material are in series connection, or the second guide pipes (31) are in a parallel connection mode;
the filling membrane of the component enrichment filling (32) is one or more of a protein enrichment membrane, a nucleic acid enrichment membrane, a polypeptide enrichment membrane and a polysaccharide enrichment membrane, and the filling of the component enrichment filling (32) is filler particles;
the drainage tube (1), the first conduit (21), the second conduit (31) and one or more of the collecting conduits (42) are provided with elastic sealing films (9).
2. The negative pressure filter device for removing blood cells from drainage fluid and assisting component quantification according to claim 1, wherein the front end detection sensor (51) and the rear end detection sensor (52) are respectively provided at both ends of the second conduit (31).
3. The negative pressure filter device for removing blood cells from drainage fluid and assisting component quantification according to claim 1, wherein the front end detection sensor (51) and the rear end detection sensor (52) are respectively a contact flow sensor and a bubble sensor.
4. Negative pressure filter device for removing blood cells from drainage fluid and assisting in the quantification of components according to claim 1, characterized in that the outside of the collection bottle (41) is provided with a collection bag (45) for sealing, or a sealing plug.
5. Negative pressure filter device for removing blood cells from drainage fluid and assisting in component quantification according to claim 1, characterized in that the collection bottle (41) is provided with a scale (46).
6. The negative pressure filtering device for removing blood cells from drainage fluid and assisting component quantification according to claim 1, wherein the collecting conduit (42) is internally provided with one-way valves (47), and the number of the one-way valves (47) is more than one.
7. Negative pressure filtration device for removing blood cells from drainage fluid and assisting component quantification according to claim 1, characterized in that one or more of the drainage tube (1), the first conduit (21), the second conduit (31), the collection conduit (42) is an anti-bending tube (8), the outside of the anti-bending tube (8) is a hollow sleeve (81), or a solid sleeve (82), or an annular interlayer, and the solid sleeve (82) is in annular interlayer communication with the outside through a switch valve (83).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710322601.8A CN107126584B (en) | 2017-05-09 | 2017-05-09 | Negative pressure filter for removing blood cells in drainage liquid and assisting component quantification |
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| CN201710322601.8A CN107126584B (en) | 2017-05-09 | 2017-05-09 | Negative pressure filter for removing blood cells in drainage liquid and assisting component quantification |
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| CN107126584A CN107126584A (en) | 2017-09-05 |
| CN107126584B true CN107126584B (en) | 2023-08-25 |
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| CN202069998U (en) * | 2011-05-19 | 2011-12-14 | 张远 | Negative pressure drainage instrument |
| WO2013166038A2 (en) * | 2012-05-01 | 2013-11-07 | Nidus Medical, Llc | Peritoneal drain and infusion |
| CN203252965U (en) * | 2013-05-22 | 2013-10-30 | 苗丽 | Multifunctional cardiovascular drainage tube |
| CN203556048U (en) * | 2013-11-28 | 2014-04-23 | 毕研青 | Wound drainage fixation apparatus for department of breast surgery |
| CN103861199A (en) * | 2014-03-31 | 2014-06-18 | 陈克明 | Portable wound surface protection and treatment system having sealed negative-pressure drainage function and washing function |
| CA2950325A1 (en) * | 2014-05-27 | 2015-12-03 | Deka Products Limited Partnership | Control systems and methods for blood or fluid handling medical devices |
| CN205672285U (en) * | 2016-04-29 | 2016-11-09 | 大连医科大学附属二院 | A kind of negative pressure closed drainage device |
| CN207708234U (en) * | 2017-05-09 | 2018-08-10 | 中国人民解放军第二军医大学第二附属医院 | It removes haemocyte in drainage-fluid and assists the negative pressure filtration device of component quantifying |
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| CN107126584A (en) | 2017-09-05 |
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