CN215194251U - Negative pressure drainage device - Google Patents
Negative pressure drainage device Download PDFInfo
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- CN215194251U CN215194251U CN202121355989.XU CN202121355989U CN215194251U CN 215194251 U CN215194251 U CN 215194251U CN 202121355989 U CN202121355989 U CN 202121355989U CN 215194251 U CN215194251 U CN 215194251U
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- container
- metering cylinder
- flexible
- cover
- negative pressure
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Abstract
The utility model discloses a negative pressure drainage device relates to medical drainage device field, provides a drainage volume when less, can improve the measurement accuracy, reduces the negative pressure drainage device that the measurement error is compared. The utility model provides a negative pressure drainage ware includes the container, the container includes the container bottom that sets gradually from bottom to top, flexible cover of container and container top cap, still include metering structure, metering structure includes flexible metering cylinder, adapter sleeve and connection lid, be provided with second measurement scale on the flexible metering cylinder, the lower extreme and the container top cap of flexible metering cylinder are connected and communicate with the container, the adapter sleeve has the distance outside the flexible metering cylinder and between the flexible metering cylinder, the adapter sleeve is connected with the container top cap, it includes the lid end and covers the lateral wall to connect the lid, the lid end is connected with the upper end of flexible metering cylinder, it has the distance to cover lateral wall and flexible metering cylinder, the connection lid can be dismantled with the adapter sleeve and be connected.
Description
Technical Field
The utility model relates to a medical drainage device field especially relates to a negative pressure drainage ware.
Background
The negative pressure drainage device is a common medical article, negative pressure can be generated in the negative pressure drainage device to attract liquid in a human body, so that the liquid can be smoothly led out.
The negative pressure drainage device comprises a container, a spring, a drainage tube and a discharge tube, wherein the container comprises a container bottom cover, a container flexible sleeve and a container top cover which are sequentially arranged from bottom to top, the spring is arranged in the container, and the drainage tube and the discharge tube are connected with the container. When in use, the discharge pipe is opened, the container is pressed to discharge the air in the container, so that the volume of the container is reduced, and the spring is compressed; then the discharge pipe is closed, the spring rebounds to enlarge the container, and negative pressure is generated in the container. ZL201920996968.2 discloses such negative pressure drainage devices.
The flexible container sleeve of the negative pressure drainage device is provided with metering scales, so that the container can be vertically placed and stretched, the flexible container sleeve is straightened, and the scales aligned with the liquid level can be observed to measure the volume of the drained liquid. Because the flexible sleeve of the container can be straightened into a cylinder shape, the metering accuracy of the negative pressure drainage device is better than that of the drainage bag. However, the cross section area of the container is large, and the liquid level variation caused by the liquid volume change is small, so that the measurement precision of the negative pressure drainage device is still not high, and especially when the drainage quantity is small, the measurement error ratio is large.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: provided is a negative pressure drainage device which can improve the measurement precision and reduce the measurement error ratio when the drainage quantity is small.
The technical scheme adopted for solving the problems is as follows: the utility model provides a negative pressure drainage ware includes the container, the container includes the container bottom that sets gradually from bottom to top, flexible cover of container and container top cap, still include metering structure, metering structure includes flexible metering cylinder, adapter sleeve and connection lid, be provided with second measurement scale on the flexible metering cylinder, the lower extreme and the container top cap of flexible metering cylinder are connected and communicate with the container, the adapter sleeve has the distance outside the flexible metering cylinder and between the flexible metering cylinder, the adapter sleeve is connected with the container top cap, it includes the lid end and covers the lateral wall to connect the lid, the lid end is connected with the upper end of flexible metering cylinder, it has the distance to cover lateral wall and flexible metering cylinder, the connection lid can be dismantled with the adapter sleeve and be connected.
Further, the method comprises the following steps: the connection cover and the connection sleeve are detachably connected in a manner that the side wall of the cover is sleeved on the connection sleeve and is in interference fit with the connection sleeve.
Further, the method comprises the following steps: the shape of container top cap is big end down's frustum shape, and the top of container top cap is the top cap roof, and flexible metering cylinder and adapter sleeve are connected on the top cap roof.
Further, the method comprises the following steps: the utility model provides a negative pressure drainage ware includes first drainage pipe, and first drainage union coupling is on the top cap roof.
Further, the method comprises the following steps: a negative pressure drainage device comprises a second discharge pipe which is connected to the cover bottom.
The utility model has the advantages that: 1. when the drainage volume is more, the utility model discloses according to the background art conventional metering mode measure, because bulky, the metering error ratio is smaller.
When the drainage volume is less, as shown in fig. 1, will the utility model discloses invert, liquid gets into a flexible metering section of thick bamboo, measures with a flexible metering section of thick bamboo. The cross-sectional area of the flexible metering cylinder is small, and the liquid level variation caused by the liquid volume change is large, so that the metering is accurate. When the liquid amount is small, the metering error ratio is small.
Therefore, no matter how much the liquid quantity is, the utility model can keep a smaller metering error ratio during metering. Especially when the drainage volume is less, can have higher measurement accuracy.
2. As shown in figure 2, when the flexible metering cylinder is not used for metering, the flexible metering cylinder can be compressed and the connecting cover is connected with the connecting sleeve, and then the flexible metering cylinder is contained in the connecting sleeve, so that the flexible metering cylinder does not occupy space. Therefore, the utility model discloses although increased metering structure, the volume is the same basically with current negative pressure drainage ware, can not lead to negative pressure drainage ware to use inconveniently.
3. The utility model discloses set up the metering structure in the container top, the container bottom still is the plane, does not influence the container and puts immediately.
Drawings
FIG. 1 is a view of the construction of a negative pressure drainage device in a stretched state of a flexible metering cylinder;
FIG. 2 is a view of the structure of the negative pressure drainage device in the storage state of the flexible metering cylinder;
labeled as: the device comprises a container 1, a container bottom cover 11, a container flexible sleeve 12, a container top cover 13, a drainage pipe 2, a first discharge pipe 3, a top cover top plate 131, a metering structure 4, a flexible metering cylinder 41, a second metering scale 411, a connecting sleeve 42, a connecting cover 43, a cover bottom 431, a cover side wall 432 and a second discharge pipe 5.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 and 2, a negative pressure flow diverter comprises a container 1, the container 1 comprises a container bottom cover 11, a container flexible sleeve 12 and a container top cover 13 which are sequentially arranged from bottom to top, and further comprises a metering structure 4, the metering structure 4 comprises a flexible metering cylinder 41, a connecting sleeve 42 and a connecting cover 43, a second metering scale 411 is arranged on the flexible metering cylinder 41, the lower end of the flexible metering cylinder 41 is connected with the container top cover 13 and communicated with the container 1, the connecting sleeve 42 is sleeved outside the flexible metering cylinder 41 and is spaced from the flexible metering cylinder 41, the connecting sleeve 42 is connected with the container top cover 13, the connecting cover 43 comprises a cover bottom 431 and a cover side wall 432, the cover bottom 431 is connected with the upper end of the flexible metering cylinder 41, the cover side wall 432 is spaced from the flexible metering cylinder 41, and the connecting cover 43 can be detachably connected with the connecting sleeve 42.
In addition to the above structure, the utility model discloses still should include drainage tube 2 and first exhaust pipe 3 conventionally, drainage tube 2 is used for leading-in liquid, and first exhaust pipe 3 is used for discharging and inhales air and discharge liquid. The container 1 is used to contain a liquid and therefore the cross-sectional area needs to be large. The flexible metering cylinder 41 is used for metering, and in order to improve the metering accuracy, the cross-sectional area of the flexible metering cylinder 41 should be small. The flexible metering cylinder 41 is used for metering less liquid, and the container of the flexible metering cylinder is 10-20% of the container 1.
When the drainage volume is more, the utility model discloses according to the background art conventional metering mode measure, because bulky, the metering error ratio is smaller. When the drainage volume is less, as shown in fig. 1, will the utility model discloses invert, liquid gets into flexible metering cylinder 41, with flexible metering cylinder 41 measurement. The flexible metering cylinder 41 has a small cross-sectional area and a large liquid level variation amount caused by liquid volume change, so that metering is accurate. When the liquid amount is small, the metering error ratio is small.
When the flexible metering cylinder 41 is not used for metering, the connecting cover 43 may be rotated to thread the flexible metering cylinder 41 into a thin strip, which is then coiled within the connecting sleeve 42 and covered with the connecting cover 43, as shown in fig. 2. It is also possible to directly compress the flexible metering cylinder 41 and connect the connecting cover 43 with the connecting sleeve 42. In this way the metering structure 4 takes up no space.
The distance between the connection sleeve 42 and the flexible measuring cylinder 41 and the distance between the cover side wall 432 and the flexible measuring cylinder 41 are used for ensuring that enough space is reserved for accommodating the flexible measuring cylinder 41 and ensuring that the connection cover 43 can be covered.
The connection cover 43 is detachably connected to the connection sleeve 42 preferably in a manner that the cover sidewall 432 is fitted over the connection sleeve 42 and interference-fitted with the connection sleeve 42.
In order to facilitate the liquid to completely enter the flexible metering cylinder 41, the container top cover 13 is preferably in the shape of a frustum with a small top and a big bottom, the top of the container top cover 13 is a top cover top plate 131, and the flexible metering cylinder 41 and the connecting sleeve 42 are connected to the top cover top plate 131.
As described above, the present invention should include the first discharging pipe 3, and when the shape of the container top cover 13 is a frustum shape with a small top and a large bottom, the first discharging pipe 3 should be connected to the top cover top plate 131.
It is further preferred that a negative pressure flow diverter comprises a second drain tube 5, the second drain tube 5 being attached to the lid bottom 431. After metering in this way, the liquid can be discharged directly by opening the second discharge pipe 5.
Claims (5)
1. The utility model provides a negative pressure drainage ware, includes container (1), and container (1) is including container bottom (11), container flexible sleeve (12) and container top cap (13) that set gradually from bottom to top, its characterized in that: including measurement structure (4), measurement structure (4) are including flexible metering cylinder (41), adapter sleeve (42) and connection lid (43), be provided with second measurement scale (411) on flexible metering cylinder (41), the lower extreme and the container top cap (13) of flexible metering cylinder (41) are connected and communicate with container (1), adapter sleeve (42) cover has the distance between flexible metering cylinder (41) outside and with flexible metering cylinder (41), adapter sleeve (42) are connected with container top cap (13), connection lid (43) are including covering end (431) and lid lateral wall (432), cover end (431) are connected with the upper end of flexible metering cylinder (41), there is the distance between lid lateral wall (432) and flexible metering cylinder (41), connection lid (43) can be dismantled with adapter sleeve (42) and be connected.
2. The negative pressure flow diverter of claim 1, wherein: the connection cover (43) and the connection sleeve (42) are detachably connected in a way that the cover side wall (432) is sleeved on the connection sleeve (42) and is in interference fit with the connection sleeve (42).
3. The negative pressure flow diverter of claim 2, wherein: the container top cover (13) is in a frustum shape with a small top and a big bottom, the top of the container top cover (13) is a top cover top plate (131), and the flexible metering cylinder (41) and the connecting sleeve (42) are connected to the top cover top plate (131).
4. The negative pressure flow diverter of claim 3, wherein: including first discharge tube (3), first discharge tube (3) are connected on top cap roof (131).
5. The negative pressure flow diverter of claim 4, wherein: comprises a second discharge pipe (5), and the second discharge pipe (5) is connected to the cover bottom (431).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121355989.XU CN215194251U (en) | 2021-06-18 | 2021-06-18 | Negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121355989.XU CN215194251U (en) | 2021-06-18 | 2021-06-18 | Negative pressure drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215194251U true CN215194251U (en) | 2021-12-17 |
Family
ID=79433241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121355989.XU Active CN215194251U (en) | 2021-06-18 | 2021-06-18 | Negative pressure drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215194251U (en) |
-
2021
- 2021-06-18 CN CN202121355989.XU patent/CN215194251U/en active Active
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