CN210494724U - Disposable medical negative pressure formula drainage liquid sample collection device - Google Patents
Disposable medical negative pressure formula drainage liquid sample collection device Download PDFInfo
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- CN210494724U CN210494724U CN201920556438.6U CN201920556438U CN210494724U CN 210494724 U CN210494724 U CN 210494724U CN 201920556438 U CN201920556438 U CN 201920556438U CN 210494724 U CN210494724 U CN 210494724U
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- negative pressure
- drainage
- diaphragm
- balloon
- pressure ball
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Abstract
The utility model provides a disposable medical negative pressure drainage liquid sample collecting device, which comprises a sacculus, a tube cavity and a collector, wherein the upper part and the lower part of the sacculus are respectively provided with a first one-way air valve and a second one-way air valve; the tube cavity vertically penetrates through the saccule to form a drainage tube; the collector is detachably connected to the lower part of the balloon and is communicated with the drainage pipeline. In the utility model, the collector is effectively combined with the negative pressure ball, the upper part and the lower part of the negative pressure ball respectively form a one-way valve, when the negative pressure ball is extruded, the internal air pressure is increased, the negative pressure ball is discharged from the upper part in one way, and the backflow of drainage liquid can be prevented; when loosening the negative pressure ball, the negative pressure ball resumes the shape, and the inside atmospheric pressure of sacculus reduces, and gaseous can only get into the sacculus through the second gas pocket for the inside atmospheric pressure of collection storehouse reduces, and drainage liquid flows into the collection storehouse through drainage pipeline. The sample is collected and is directly screwed up with sealed lid after accomplishing can, makes things convenient for medical personnel to operate, improves work efficiency, effectively avoids the sample of gathering to receive the pollution simultaneously.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to disposable medical negative pressure formula drainage liquid sample collection device.
Background
At present, the quality of a specimen collecting container and a transfer container has important influence on the clinical drainage liquid microorganism inspection result, and correct collection is directly related to the positive rate and the correct rate of the bacteria culture for curing diseases, so that the method is the key for the success of clinical microorganism inspection. The collection tool, the transport medium, the specimen container, the packaging and the transportation links are all factors influencing the detection of the drainage liquid microorganisms, the operation links are reduced, and the method is very important for ensuring the detection quality of the microorganisms.
The traditional method for reserving and taking a middle-segment bile specimen and an abdominal fluid culture specimen after hepatobiliary surgery or PTCD surgery through a T tube and an external biliary drainage tube comprises the following steps: and (3) disinfecting the puncture point between the rubber tube for connecting the rubber tube and the drainage tube or the drainage tube with alcohol for 2 times, wherein the disinfection range is 2.5cm, the disinfection is carried out for 2 min-3 min each time, a 5ml syringe is used for extracting drainage liquid, then the needle head is closed, the drainage liquid is put into a disposable specimen box, and the disposable specimen box is immediately inspected, and the laboratory is required to be reached within 2 h. Whole operation process is loaded down with trivial details, very easily receives the pollution and influences the testing result, consequently, strict operation according to aseptic principle in the operation process avoids false positive result, and on average every stays and gets a patient's drainage liquid sample and need spend the time and will reach 10min, still need wait once more when meeting in the drainage tube and be full of the drainage tube and can stay once more to get drainage liquid, has not only increased medical personnel's work load, has still seriously influenced its work efficiency.
SUMMERY OF THE UTILITY MODEL
To among the prior art, the problem that complex operation, sample easily polluted is stayed to the drainage liquid sample, the utility model provides a simple easy-to-use, reduce sample pollution's disposable medical negative pressure formula drainage liquid sample collection device.
In order to achieve the above object, the utility model provides a disposable medical negative pressure formula drainage liquid sample collection device, a serial communication port, include:
the upper part and the lower part of the balloon are respectively provided with a first one-way air valve and a second one-way air valve;
the lumen vertically penetrates through the balloon to form a drainage pipeline;
and the collector is detachably connected to the lower part of the balloon and is communicated with the drainage pipeline.
Preferably, in the disposable medical negative-pressure drainage specimen collecting device, the first one-way air valve includes a first diaphragm, a first diaphragm fixing end and a first air hole formed at the upper part of the balloon, and the first diaphragm is arranged at the first diaphragm fixing end and used for closing or opening the first air hole; the second one-way air valve comprises a second diaphragm, a second diaphragm fixing end and a second air hole, wherein the second diaphragm fixing end and the second air hole are formed in the lower portion of the balloon, and the second diaphragm is arranged at the second diaphragm fixing end and used for closing or opening the second air hole.
Preferably, in the disposable medical negative pressure drainage liquid sample collection device, the collector comprises a collection bin and a sealing cover, and the collection bin is in threaded connection with the sealing cover or the balloon.
Preferably, in the disposable medical negative pressure drainage liquid sample collection device, the outside of the collection bin is marked with scale marks.
When the negative pressure collector is used, the collector is effectively combined with the negative pressure ball, and the first diaphragm, the second diaphragm, the first air hole and the second air hole form a one-way air valve structure. When the negative pressure ball is extruded, the internal air pressure is increased, and the air is discharged only through the first air holes, so that the drainage liquid can be prevented from flowing back; when loosening the negative pressure ball, the negative pressure ball resumes the shape, and the inside atmospheric pressure of sacculus reduces, and gaseous can only get into the sacculus through the second gas pocket for the inside atmospheric pressure of collection storehouse reduces, and drainage liquid flows into the collection storehouse through drainage pipeline. The sample is collected and is directly screwed up with sealed lid after accomplishing can, makes things convenient for medical personnel to operate, improves work efficiency, effectively avoids the sample of gathering to receive the pollution simultaneously.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the traditional empty needle extraction operation is replaced, and the needle puncture injury is prevented;
(2) the negative pressure controls the sample collection amount, the use is convenient, the operation is convenient, and the operation time of nurses is saved;
(3) direct censorship after the collection finishes, need not to use special aseptic bottle, reduce the operation link, avoid in the multi-ring operation many times open aseptic container bring drainage liquid leak and secondary pollution, influence the microorganism culture result.
Drawings
FIG. 1 is an overall effect diagram of a disposable medical negative pressure drainage specimen collecting device;
FIG. 2 is a schematic view of the overall structure of a disposable medical negative pressure drainage specimen collecting device;
FIG. 3 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 4 is a partial enlarged view of the first gas hole portion;
FIG. 5 is a partial enlarged view of a second air hole;
FIG. 6 is a schematic view of a negative pressure ball squeezing state;
FIG. 7 is a schematic view of a release state of the negative pressure ball;
FIG. 8 is a schematic view of the collector structure.
Wherein, 1-negative pressure ball; 2-a collector; 3-a first membrane sheet; 4-a second membrane sheet; 11-a sample port connection end; 12-a balloon; 13-a drainage tube; 14-collector connection end; 15-a first diaphragm securing end; 16-a first air hole; 17-a second diaphragm securing end; 18-a second air hole; 21-a collection bin; 22-a sealing cover; 211-graduation mark.
Detailed Description
The disposable medical negative pressure drainage specimen collection device of the present invention will now be described in greater detail with reference to the schematic drawings, in which preferred embodiments of the present invention are shown, it being understood that those skilled in the art may modify the invention described herein while still achieving the beneficial effects of the present invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
As shown in fig. 1 and 2, a negative pressure type drainage specimen collecting device mainly comprises a negative pressure ball 1 and a collector 2.
As shown in fig. 2, 4 and 5, the negative pressure ball 1 is provided with a sampling port connection end 11, a balloon 12, a drainage pipeline 13, a collector connection end 14, a first diaphragm fixing end 15, a first air hole 16, a second diaphragm fixing end 17 and a second air hole 18. A lumen vertically penetrates the balloon 12 to form the drainage pipeline 13, the upper end of the drainage pipeline 13 extends out of the balloon 12 to form the sampling port connecting end 11, and the sampling port connecting end 11 is used for being connected with a sampling port end of a drainage tube or a medical three-way connector. The first diaphragm fixing end 15 and the first air hole 16 are formed on the top wall of the balloon 12, and the second diaphragm fixing end 17 and the second air hole 18 are formed on the bottom wall of the balloon 12.
The first diaphragm 3 and the second diaphragm 4 are respectively fixed at a first diaphragm fixing end 15 and a second diaphragm fixing end 17, the first diaphragm 3 is located outside the balloon 12, and the second diaphragm 4 is located inside the balloon 12 and used for covering the first air hole 16 and the second air hole 18 and keeping sealing. In this embodiment, the negative pressure ball 1 and the collector 2 are connected through threads, so that the negative pressure ball is convenient to disassemble.
As shown in fig. 8, the collector 2 is composed of a collecting bin 21 and a sealing cover 22. The sealing cover 22 is connected with the collecting bin 21 through a threaded structure, and after the sample is collected, the sealing cover 22 and the collecting bin 22 are directly screwed down to send the collected drainage liquid sample. The collection chamber 21 is externally provided with a graduation mark 211. In this example, the scale line is 10 ML.
The working principle of the collecting device is as follows:
when in use, the connection end 11 of the sampling port is connected with the drainage tube, and the collection bin 21 is screwed at the connection end 14 of the collector; then the balloon 12 is pressed, as shown in fig. 6, the pressure in the balloon 12 is increased, so that the first diaphragm 3 is jacked up, the second diaphragm 4 is pressed, so that the first air hole 16 is opened, the second air hole 18 is closed, and the air in the balloon 12 flows out of the balloon 12 in one way through the first air hole 16; next, the balloon 12 is loosened, as shown in fig. 7, in the process of recovering the original shape of the balloon 12, the internal pressure of the balloon 12 is gradually reduced, the pressure in the balloon is lower than the atmospheric pressure (the atmospheric pressure outside the balloon and the atmospheric pressure in the collection chamber), the first diaphragm 3 is pressed by the atmospheric pressure, the second diaphragm 4 is jacked up, so that the first air hole 16 is closed, the second air hole 18 is opened, the gas in the collection chamber 21 flows into the balloon in a single direction, and further, a negative pressure is generated in the collection chamber 21, so that the drainage liquid flows into the collection chamber 21 through the drainage pipeline 13. The saccule 12 can be repeatedly pressed, and after a proper amount of samples are obtained in the collection bin 21, the samples can be directly screwed down by the sealing cover for subsequent treatment.
The utility model discloses in, first diaphragm 3 and second diaphragm 4 with first gas pocket 16 and second gas pocket 18 constitute one-way air valve structure. When the negative pressure ball is used, the connecting end 11 of the sampling port is connected with the sampling port end of the drainage tube or the medical drainage tube three-way connector, the negative pressure ball 1 is extruded, the internal air pressure is increased, and gas is discharged through the first air hole 16; then the negative pressure ball 1 is loosened, the negative pressure ball 1 recovers the shape, the internal air pressure is reduced, and the drainage liquid flows into the collection bin 21 through the drainage pipeline 13. Can press repeatedly, and gaseous unidirectional motion can prevent the drainage liquid refluence. The sample is directly screwed up with sealed lid 22 after the completion of collecting, makes things convenient for medical personnel to operate, improves work efficiency, effectively avoids the sample of gathering to receive the pollution simultaneously.
The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.
Claims (4)
1. The utility model provides a disposable medical negative pressure formula drainage liquid sample collection device which characterized in that includes:
the upper part and the lower part of the balloon are respectively provided with a first one-way air valve and a second one-way air valve;
the lumen vertically penetrates through the balloon to form a drainage pipeline;
and the collector is detachably connected to the lower part of the balloon and is communicated with the drainage pipeline.
2. The disposable medical negative-pressure drainage specimen collecting device as recited in claim 1, wherein the first one-way air valve comprises a first diaphragm, a first diaphragm fixing end and a first air hole, the first diaphragm fixing end and the first air hole are formed at the upper part of the balloon, and the first diaphragm is arranged at the first diaphragm fixing end and used for closing or opening the first air hole; the second one-way air valve comprises a second diaphragm, a second diaphragm fixing end and a second air hole, wherein the second diaphragm fixing end and the second air hole are formed in the lower portion of the balloon, and the second diaphragm is arranged at the second diaphragm fixing end and used for closing or opening the second air hole.
3. The disposable medical negative pressure drainage liquid specimen collection device of claim 1, wherein the collector comprises a collection bin and a sealing cover, and the collection bin is in threaded connection with the sealing cover or the balloon.
4. The disposable medical negative pressure drainage specimen collection device of claim 3, wherein the collection chamber is marked on the outside with graduation marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920556438.6U CN210494724U (en) | 2019-04-23 | 2019-04-23 | Disposable medical negative pressure formula drainage liquid sample collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920556438.6U CN210494724U (en) | 2019-04-23 | 2019-04-23 | Disposable medical negative pressure formula drainage liquid sample collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210494724U true CN210494724U (en) | 2020-05-12 |
Family
ID=70542229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920556438.6U Active CN210494724U (en) | 2019-04-23 | 2019-04-23 | Disposable medical negative pressure formula drainage liquid sample collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210494724U (en) |
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2019
- 2019-04-23 CN CN201920556438.6U patent/CN210494724U/en active Active
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