CN113577416B - Chest and abdominal cavity liquid negative pressure pumping device capable of accurately pumping volume - Google Patents
Chest and abdominal cavity liquid negative pressure pumping device capable of accurately pumping volume Download PDFInfo
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- CN113577416B CN113577416B CN202111038775.4A CN202111038775A CN113577416B CN 113577416 B CN113577416 B CN 113577416B CN 202111038775 A CN202111038775 A CN 202111038775A CN 113577416 B CN113577416 B CN 113577416B
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
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- 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
Abstract
The invention discloses a negative pressure pumping device capable of accurately pumping a volume of pleuroperitoneal cavity liquid, relates to the technical field of medical equipment, and solves the problems that the maximum volume of an existing needle cylinder is limited, the manufacturing negative pressure stroke is smaller, the hydrothorax of a patient cannot be completely pumped, and the pain of the patient is increased. A negative pressure pumping device capable of accurately pumping volume of pleuroperitoneal cavity liquid comprises a negative pressure pumping cylinder; the connecting cylinder is inserted into the bottom of the mounting cylinder. When the device is used, the negative pressure generation assembly can be controlled by the control device to continuously generate negative pressure, the negative pressure generation period is not interrupted, the accumulated liquid in the chest and abdominal cavity of a patient can be stably and efficiently quantitatively extracted under any condition, the extraction is rapid, the pain of the patient in liquid extraction is relieved, and the device is convenient to use.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a negative pressure pumping device for pleuroperitoneal cavity liquid, which can accurately suck the liquid.
Background
Pleural effusion is a common clinical symptom characterized by pathological liquid accumulation in the pleural cavity, and when a patient is treated, a certain amount of effusion is required to be extracted and detected by inserting a puncture needle into the pleural effusion part of the patient, so that the actual disease condition of the patient can be accurately diagnosed, and the patient can be conveniently and effectively treated subsequently.
The application number is as follows: in the patent of CN201510984815.2, a pleural cavity puncture flusher is disclosed, which comprises a wide adhesive tape, a dirt barrel, a lotion bottle, a drainage bag, a puncture drainage device consisting of a middle section external thread puncture sleeve, an adjusting rotary-resisting plate, a puncture needle head rod and a puncture needle tail rod, a suction flushing device consisting of a T-shaped piston Y-pipe connected with a suction flushing ball, a suction pipe and a flushing pipe respectively, and an accessory internal thread drainage hose, a crochet needle and a sawing knife; the screw end of the puncture needle head rod is provided with a round hole; the screw end of the puncture needle rod is in threaded connection with the tail rod of the puncture needle and sleeved into the middle section external thread puncture sleeve; the tail end of the internal thread drainage hose after the puncture needle head rod and the puncture needle tail rod are taken out is connected with a drainage bag or a suction flushing device. The device has the advantages of small surgical incision, effective prevention of stimulation and injury to the pleura and the lung of a patient, shortened treatment course, promotion of cure, reduction of cold catching and common cold of the patient, convenience for life and normal activities of the patient, simple structure, low cost, easy selection and operation and the like, and is suitable for the application of the pleural cavity puncture drainage flushing of the patient.
When the existing extraction laboratory test is carried out on the pleural effusion of a patient, the suction is carried out through the needle cylinder in most cases, the maximum volume of the needle cylinder is limited, the negative pressure stroke is smaller, the pleural effusion of the patient cannot be completely extracted, multiple operations are often needed, the pain of the patient is increased, the negative pressure stroke is smaller when the extraction is carried out for multiple times, the extraction amount of the pleural effusion of the patient cannot be accurately, the steps are complicated, and the practicability is low.
Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a negative pressure pump for pleuroperitoneal cavity, which can accurately pump a liquid in an amount that is more practical.
Disclosure of Invention
In order to solve the technical problems, the invention provides a negative pressure pumping device capable of accurately pumping the pleural cavity liquid, which aims to solve the problems that when the existing negative pressure pumping device is used for pumping, assaying and checking the pleural cavity liquid of a patient, the suction is carried out mostly through a syringe, the maximum volume of the syringe is limited, the manufacturing negative pressure stroke is smaller, the pleural cavity liquid of the patient cannot be completely pumped, multiple operations are often required, the pain of the patient is increased, the number of the pleural cavity liquid pumping amount of the patient cannot be accurately when the manufacturing negative pressure stroke of the syringe is smaller, the steps are complicated and troublesome, and the practicability is low.
The invention discloses a negative pressure pumping device for pleuroperitoneal cavity liquid, which can accurately pump the liquid, and aims and effects of the negative pressure pumping device are achieved by the following specific technical means:
a negative pressure pumping device capable of accurately pumping volume of pleuroperitoneal cavity liquid comprises a negative pressure pumping cylinder;
the negative pressure suction cylinder comprises a mounting cylinder and a connecting cylinder, wherein the connecting cylinder is spliced at the bottom of the mounting cylinder, and the bottom of the connecting cylinder is fixedly connected with a communicating pipeline;
the communicating pipeline is connected with the liquid collecting pipe through a hose, and the liquid collecting pipe is connected with the puncture needle through a hose;
the top of the installation cylinder is provided with a control device, and the inside of the installation cylinder is provided with a negative pressure generating component.
Further, the control device includes:
the control screw cap is rotationally connected to the top of the barrel body of the mounting barrel;
the position control ring is fixedly connected to the middle part of the bottom surface of the control screw cap.
Further, the negative pressure generating assembly comprises:
the piston column is inserted into the cylinder body of the mounting cylinder;
the exhaust control valve is inserted into the cylinder body of the mounting cylinder;
the negative pressure generating valve is inserted into the cylinder body of the mounting cylinder.
Further, the section of the barrel of the installation barrel is U-shaped, the middle part of the outer side barrel wall of the installation barrel is provided with a positioning groove, the positioning groove is annular around the barrel wall of the installation barrel, the bottom of the control screw cap is provided with a positioning ring, and the positioning ring is inserted into the positioning groove.
Further, the bottom in the installation section of thick bamboo barrel is equipped with and pumps the generating tank, and pumps the generating tank and be equipped with four, and the contained angle between the adjacent pump generating tank is ninety degrees, and the inside in every pump generating tank all peg graft and have a piston post.
Furthermore, each pump suction generation groove is provided with a pump suction control groove at the bottom, the groove body of the pump suction control groove is of a T-shaped design, the exhaust control valve is inserted into the transverse groove of the pump suction control groove, and the negative pressure generation valve is inserted into the bottom of the vertical groove of the pump suction control groove.
Further, the end part of the transverse groove of the pumping control groove is communicated with the outside of the cylinder body of the installation cylinder, and the bottom part of the vertical groove of the pumping control groove is communicated with the inside of the connecting cylinder.
Further, the exhaust control valve and the negative pressure generating valve are both one-way valves, the opening direction of the exhaust control valve is opened towards the outer direction of the mounting cylinder, and the opening direction of the negative pressure generating valve is opened upwards.
Further, an arc-shaped track groove is formed in the top of the piston column, the arc-shaped inner diameter of the track groove is identical to the outer diameter of the ring body of the position control ring, and the track groove is spliced outside the ring body of the position control ring.
Furthermore, the top both sides of track groove all are equipped with and pump and control protruding, and the inboard and the outside of position control ring wall all are equipped with the position control groove, and the ring body of position control groove is the slope design, and two pump and control protruding peg graft respectively in the inside of position control groove of the inboard and the outside of position control ring wall.
Compared with the prior art, the invention has the following beneficial effects:
firstly, when the device is used, the negative pressure generation assembly can be controlled by the control device to continuously generate negative pressure, the negative pressure generation period is not interrupted, the accumulated liquid in the thoracic and abdominal cavity of a patient can be stably and efficiently quantitatively extracted under any condition, the extraction is rapid, the pain of the patient in liquid extraction is relieved, the use is convenient, and the flexibility and the adaptability of the device are improved.
Secondly, when the control cap revolves, can drive the synchronous rotation of position control ring, the position control groove that the position control ring body was inclined drives four piston posts and continuously makes the negative pressure through the rising and falling that pump suction control is protruding to be reciprocal in proper order, when the piston post was gone up, the exhaust control valve is closed, the negative pressure generation valve is opened, thereby make the negative pressure and extract the hydrops in the patient's pleuroperitoneal cavity inside the liquid collecting pipe through the pipeline, when the piston post was down, the exhaust control valve is opened, the negative pressure generation valve is closed, the piston post can empty pump suction generation groove inside air and be equipped with next upward to make negative pressure and extract the hydrops in the patient's pleuroperitoneal cavity, four piston posts are continuous incessantly making negative pressure in order cyclic reciprocating rising and falling, and is convenient to use fast, stability high-efficient, can be through the accurate control patient's of rotation range of rotary control cap the extraction volume of hydrops liquid, the misery when extracting the hydrops of patient has been alleviateed the patient simultaneously, flexibility and adaptability of the device have been improved.
Furthermore, the constant head tank can restrict the rotation track of control cap soon for the control cap soon can not appear crooking when rotating, distortion leads to the phenomenon emergence of device inefficacy, and the position control groove that also can guarantee the position control ring simultaneously can be stable through pump suction control protruding four piston post orderly cyclic reciprocating's of control rise and fall make negative pressure extraction hydrops in proper order, and the track groove can guarantee that the position control ring can be free rotate at the top of piston post, can not appear the dead phenomenon emergence of inefficacy of card, and stable in use has durable, has improved the stability and the durability of the device.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the inside of the present invention.
Fig. 3 is a schematic illustration of the structure of fig. 2 with the present invention broken away.
Fig. 4 is a schematic structural view of the position control ring of the present invention.
Fig. 5 is a schematic view of the structure of the piston of the present invention.
Fig. 6 is an enlarged schematic view of the structure of fig. 2 according to the present invention.
Fig. 7 is an enlarged schematic view of the structure of the B part in fig. 3 according to the present invention.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a negative pressure suction cylinder; 101. a mounting cylinder; 1011. a positioning groove; 1012. a pumping generation tank; 1013. a pumping control tank; 102. a connecting cylinder; 1021. a communication pipe; 2. a control device; 201. controlling the screw cap; 2011. a positioning ring; 202. a position control loop; 2021. a position control groove; 3. a negative pressure generating assembly; 301. a piston column; 3011. a track groove; 3012. a pumping control protrusion; 302. an exhaust control valve; 303. a negative pressure generating valve.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
as shown in fig. 1 to 7:
the invention provides a negative pressure pumping device capable of accurately pumping volume of pleuroperitoneal cavity liquid, which comprises a negative pressure pumping tube 1;
the negative pressure suction cylinder 1 comprises a mounting cylinder 101 and a connecting cylinder 102, wherein the connecting cylinder 102 is spliced at the bottom of the mounting cylinder 101, and the bottom of the connecting cylinder 102 is fixedly connected with a communicating pipeline 1021;
the communication pipeline 1021 is connected with the liquid collecting pipe through a hose, and the liquid collecting pipe is connected with the puncture needle through a hose;
the top of the mounting cylinder 101 is provided with a control device 2, and the inside of the mounting cylinder 101 is provided with a negative pressure generating component 3;
the control device 2 includes:
the control screw cap 201 is rotatably connected to the top of the cylinder body of the mounting cylinder 101;
the position control ring 202, the position control ring 202 is fixedly connected to the middle part of the bottom surface of the control screw cap 201;
the negative pressure generating component 3 comprises:
the piston column 301, the piston column 301 is inserted into the cylinder body of the mounting cylinder 101;
the exhaust control valve 302, the exhaust control valve 302 is inserted into the cylinder body of the mounting cylinder 101;
the negative pressure generating valve 303, the negative pressure generating valve 303 is inserted into the cylinder body of the mounting cylinder 101, the exhaust control valve 302 and the negative pressure generating valve 303 are both one-way valves, the opening direction of the exhaust control valve 302 is opened towards the external direction of the mounting cylinder 101, and the opening direction of the negative pressure generating valve 303 is opened upwards;
in use, the device can control the negative pressure generating component 3 to continuously generate negative pressure through the control device 2, the negative pressure generating period can not be interrupted, the accumulated liquid in the thoracic and abdominal cavity of a patient can be stably and efficiently quantitatively extracted under any condition, the extraction is rapid, the pain of the patient in liquid extraction is relieved, and the use is convenient.
The cross section of the barrel of the installation barrel 101 is of a U-shaped design, a positioning groove 1011 is formed in the middle of the barrel wall outside the installation barrel 101, the positioning groove 1011 is of an annular design surrounding the barrel wall of the installation barrel 101, a positioning ring 2011 is arranged at the bottom of the control screw cap 201, the positioning ring 2011 is inserted into the positioning groove 1011, in use, the positioning groove 1011 can limit the rotating track of the control screw cap 201, so that the phenomenon that the control screw cap 201 is not askew and distorted to cause device failure during rotation can be avoided, and meanwhile, the position control groove 2021 of the position control ring 202 can also ensure that the four piston columns 301 can be controlled to sequentially and circularly lift and fall in order to manufacture negative pressure to extract accumulated liquid through pumping control protrusions 3012, so that the use is stable.
Wherein, the bottom in the barrel of installation section of thick bamboo 101 is equipped with and pumps the generating tank 1012, and pumps the generating tank 1012 and be equipped with four, and the contained angle between the adjacent pump generating tank 1012 is ninety degrees, and the inside of every pump generating tank 1012 has all pegged graft a piston post 301, in use, four piston posts 301 orderly and repeatedly's in proper order rise and fall make negative pressure extraction hydrops.
Wherein, the bottom of each pump suction generation groove 1012 is provided with a pump suction control groove 1013, the groove body shape of the pump suction control groove 1013 is of a T-shaped design, the exhaust control valve 302 is inserted into the transverse groove inside of the pump suction control groove 1013, the negative pressure generation valve 303 is inserted into the bottom of the vertical groove of the pump suction control groove 1013, the transverse groove end of the pump suction control groove 1013 is communicated with the outside of the cylinder body of the mounting cylinder 101, the bottom of the vertical groove of the pump suction control groove 1013 is communicated with the inside of the connecting cylinder 102, in use, when the piston column 301 is in the up-going state, the exhaust control valve 302 is closed, the negative pressure generation valve 303 is opened, thereby manufacturing negative pressure to pump the accumulated liquid in the thoracic and abdominal cavity of a patient through the communicating pipe 1021, when the piston column 301 is in the down-going state, the exhaust control valve 302 is opened, the negative pressure generation valve 303 is closed, at this time, the piston column 301 can empty the internal air of the pump suction generation groove 1012 for the next up-going state to manufacture the accumulated liquid in the thoracic cavity of the negative pressure pump suction extraction patient, the four piston columns 301 are sequentially circulated and reciprocally and continuously manufactured negative pressure continuously, in the up-going state, the use is fast, the negative pressure generation valve 303 is stable and efficient, and the accumulated liquid can be accurately drawn by the patient when the patient is in the pump and the patient is in the state when the patient is in the pump suction is pumped by the patient through the pump.
Wherein, the top of piston post 301 is equipped with curved track groove 3011, and the arc internal diameter of track groove 3011 is the same with the ring body external diameter of position control ring 202, and track groove 3011 peg graft in the outside of the ring body of position control ring 202, and in use, track groove 3011 can guarantee that position control ring 202 can free rotate at the top of piston post 301, can not appear the dead phenomenon emergence of inefficacy of card, uses stably, durable.
Wherein, the top both sides of track groove 3011 all are equipped with pump suction control protruding 3012, and the inboard and the outside of position control ring 202 ring wall all are equipped with position control groove 2021, and the ring body of position control groove 2021 is the slope design, and inside two pump suction control protruding 3012 peg graft the position control groove 2021 of the inboard and the outside of position control ring 202 ring wall respectively, in use, when control cap 201 rotates, can drive the synchronous rotation of position control ring 202, the position control groove 2021 of position control ring 202 ring body slope drives four piston posts 301 through pump suction control protruding 3012 and circulates reciprocal rising and falling in proper order and continuously makes the negative pressure.
In another embodiment, six piston rods 301 are provided, and six sets of pump generating grooves 1012 and six sets of pump control grooves 1013 are provided, so that fluid accumulation in the chest and abdominal cavity of the patient can be more quickly extracted by making negative pressure.
Specific use and action of the embodiment:
in the invention, a puncture needle, a liquid collecting pipe and a communicating pipeline 1021 are sequentially connected through pipelines, the puncture needle punctures an affected part such as a patient needing to extract effusion, the control screw cap 201 is rotated to extract effusion which is changed out by the patient, the effusion extraction amount can be judged through the scales of the pipe body of the pipe groove liquid collecting pipe during the extraction, the extraction is more accurate, when the control screw cap 201 is controlled to rotate, the position control ring 202 can be driven to synchronously rotate, the inclined position control groove 2021 of the ring body of the position control ring 202 drives the four piston columns 301 to sequentially and circularly lift and fall through the pumping control protrusions 3012 to continuously manufacture negative pressure, when the piston columns 301 are arranged upwards, the exhaust control valve 302 is closed, the negative pressure generating valve 303 is opened, so that the effusion in the chest and the abdominal cavity of the patient is extracted into the liquid collecting pipe through the communicating pipeline 1021, when the piston columns 301 are arranged downwards, the exhaust control valve 302 is opened, the negative pressure generating valve 303 is closed, at this time, the piston columns 301 can empty the air in the pumping generating groove 1012 for the next up-going negative pressure to pump the accumulated liquid in the thoracic and abdominal cavity of the patient, the four piston columns 301 are sequentially and circularly lifted and fallen to continuously and continuously produce the negative pressure, the use is convenient, quick, stable and efficient, the pumping quantity of the accumulated liquid of the patient can be precisely controlled through the rotation amplitude of the rotary control screw cap 201, meanwhile, the pain of the patient when the accumulated liquid is pumped is relieved, the positioning groove 1011 can limit the rotation track of the rotary control screw cap 201, the phenomenon that the device is invalid due to the deflection and torsion of the rotary control screw cap 201 can not occur during the rotation is avoided, meanwhile, the position control groove 2021 of the position control ring 202 can be ensured to stably control the sequentially and circularly lifted and fallen four piston columns 301 to pump the control bulge 3012 to produce the negative pressure for pumping accumulated liquid, the track groove 3011 can guarantee that the position control ring 202 can freely rotate at the top of the piston column 301, the phenomenon of dead failure of the clamping can not appear, the use is stable, and the device is durable in use, the negative pressure can be continuously generated through the control device 2 control negative pressure generating component 3, the negative pressure can not be interrupted during the generation, the quantitative extraction can be stably and efficiently carried out on the effusion in the thoracic and abdominal cavity of a patient under any condition, the extraction is quick, the pain of the patient during the liquid extraction is relieved, and the use is convenient.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. An accurate suction volume's chest abdominal cavity liquid negative pressure pumping unit, its characterized in that: comprises a negative pressure suction cylinder (1);
the negative pressure suction cylinder (1) comprises a mounting cylinder (101) and a connecting cylinder (102), wherein the connecting cylinder (102) is spliced at the bottom of the mounting cylinder (101), and the bottom of the connecting cylinder (102) is fixedly connected with a communicating pipeline (1021);
the communicating pipeline (1021) is connected with the liquid collecting pipe through a hose, and the liquid collecting pipe is connected with the puncture needle through a hose;
the top of the mounting cylinder (101) is provided with a control device (2), and the inside of the mounting cylinder (101) is provided with a negative pressure generating component (3);
the control device (2) comprises:
the control screw cap (201), the control screw cap (201) is connected to the top of the cylinder body of the installation cylinder (101) in a rotating way;
the position control ring (202), the position control ring (202) is fixedly connected to the middle part of the bottom surface of the control screw cap (201);
the negative pressure generating component (3) comprises:
a piston column (301), wherein the piston column (301) is inserted into the cylinder body of the mounting cylinder (101);
the exhaust control valve (302), the exhaust control valve (302) is inserted into the cylinder body of the mounting cylinder (101);
the negative pressure generating valve (303), the negative pressure generating valve (303) is inserted into the barrel body of the mounting barrel (101);
an arc-shaped track groove (3011) is formed in the top of the piston column (301), the arc-shaped inner diameter of the track groove (3011) is identical to the outer diameter of the ring body of the position control ring (202), and the track groove (3011) is spliced outside the ring body of the position control ring (202);
the two sides of the top of the track groove (3011) are respectively provided with a pumping control protrusion (3012), the inner side and the outer side of the annular wall of the position control ring (202) are respectively provided with a position control groove (2021), the ring body of the position control groove (2021) is of an inclined design, and the two pumping control protrusions (3012) are respectively inserted into the position control grooves (2021) on the inner side and the outer side of the annular wall of the position control ring (202).
2. A negative pressure pleuroperitoneal cavity liquid pumping device capable of accurately pumping a volume as claimed in claim 1, wherein: the section of the barrel of the installation barrel (101) is of a U-shaped design, a positioning groove (1011) is formed in the middle of the barrel wall on the outer side of the installation barrel (101), the positioning groove (1011) is of an annular design surrounding the barrel wall of the installation barrel (101), a positioning ring (2011) is arranged at the bottom of the control screw cap (201), and the positioning ring (2011) is inserted into the positioning groove (1011).
3. A negative pressure pleuroperitoneal cavity liquid pumping device capable of accurately pumping a volume as claimed in claim 2, wherein: the bottom in installation section of thick bamboo (101) barrel is equipped with pumps and takes place groove (1012), and pumps and takes place groove (1012) and be equipped with four, and the contained angle between adjacent pumps and takes place groove (1012) is ninety degrees, and the inside of every pumps and takes place groove (1012) all has pegged graft a piston post (301).
4. A negative pressure pleuroperitoneal cavity liquid pumping device capable of accurately pumping a volume as claimed in claim 3, wherein: the bottom of each pumping generation groove (1012) is provided with a pumping control groove (1013), the groove body of each pumping control groove (1013) is of a T-shaped design, the exhaust control valve (302) is inserted into the transverse groove of each pumping control groove (1013), and the negative pressure generation valve (303) is inserted into the bottom of the vertical groove of each pumping control groove (1013).
5. An accurate suction volume pleuroperitoneal cavity fluid negative pressure pumping device as defined in claim 4, wherein: the transverse groove end of the pumping control groove (1013) is communicated with the outside of the cylinder body of the mounting cylinder (101), and the vertical groove bottom of the pumping control groove (1013) is communicated with the inside of the connecting cylinder (102).
6. A negative pressure pleuroperitoneal cavity liquid pumping device capable of accurately pumping a volume as claimed in claim 1, wherein: the exhaust control valve (302) and the negative pressure generation valve (303) are both one-way valves, the opening direction of the exhaust control valve (302) is opened towards the external direction of the mounting cylinder (101), and the opening direction of the negative pressure generation valve (303) is opened upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111038775.4A CN113577416B (en) | 2021-09-06 | 2021-09-06 | Chest and abdominal cavity liquid negative pressure pumping device capable of accurately pumping volume |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111038775.4A CN113577416B (en) | 2021-09-06 | 2021-09-06 | Chest and abdominal cavity liquid negative pressure pumping device capable of accurately pumping volume |
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| CN113577416A CN113577416A (en) | 2021-11-02 |
| CN113577416B true CN113577416B (en) | 2023-09-19 |
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| US9579443B2 (en) * | 2013-01-10 | 2017-02-28 | Fresenius Medical Care Holdings, Inc. | Peritoneal dialysis systems and related devices and methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111282044A (en) * | 2017-12-12 | 2020-06-16 | 李梦雪 | Drainage auxiliary instrument with cleaning and disinfecting system |
| CN208387468U (en) * | 2018-07-10 | 2019-01-18 | 云南农业大学 | A kind of water planting herbage breeding apparatus convenient for transplanting |
| CN210228742U (en) * | 2019-02-12 | 2020-04-03 | 于立洋 | Drainage ware is used in cardiac surgery nursing |
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