CN216192265U

CN216192265U - Sampling bag

Info

Publication number: CN216192265U
Application number: CN202122156192.3U
Authority: CN
Inventors: 王杰武; 徐江宁; 蔡佳欣; 韩伟
Original assignee: Zhejiang JYSS Bio Engineering Co Ltd
Current assignee: Zhejiang JYSS Bio Engineering Co Ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-04-05
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a sampling bag which comprises a sampling device and a recovery device, wherein the sampling device can be connected with a sample outlet device, the sampling device comprises a plurality of sampling units, the sample outlet device and the recovery device are communicated through pipelines, a clamping plate capable of realizing pipeline communication or closing is further arranged on the pipelines, and the sampling device can sample the sample outlet device for multiple times under a sealed condition. The utility model discloses a sampling bag capable of realizing multiple sampling, wherein the sampling bag is always connected with a sample outlet device, and the sample outlet device is not polluted in the sampling process.

Description

Sampling bag

Technical Field

The utility model relates to a sampling bag.

Background

At present, the scheme of stainless steel technology is adopted for cell culture in China; however, the technology is complex and time-consuming and requires project management or cleaning compliance; and cross infection is easy to occur during cell culture; and the operation period is long, and the time for starting the operation equipment is long. Cells are usually cultured by a culture solution in the process of culturing, and the cells need to be sampled and observed periodically in the process of culturing, but the sampling process needs to be sealed so as to avoid unnecessary pollution.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sampling bag for overcoming the defects of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a sampling bag, includes sampling device and recovery unit, and sampling device can be connected with a kind device, and sampling device includes a plurality of sampling units, and sampling unit, a kind device and recovery unit pass through the pipeline intercommunication, still are provided with the cardboard that can realize the pipeline intercommunication or close on the pipeline, and sampling device can carry out a lot of samplings to a kind device under sealed condition.

Further, the method comprises the following steps of; the sampling unit includes cross four way connection and can connect the sample bag of intercommunication with cross four way connection, and cross four way connection includes first interface and second interface, and two first interface symmetries set up and can and sample bag intercommunication, and the second interface can realize the intercommunication between a plurality of sampling units.

Further, the method comprises the following steps of; the pipeline comprises a first pipeline; one end of the first pipeline is connected with the first interface, and the other end of the first pipeline is connected with the first channel of the sampling bag through the reducer union.

Further, the method comprises the following steps of; the first pipeline is provided with a clamping plate.

Further, the method comprises the following steps of; the sampling bag is also provided with a second channel, the second channel is connected with a third pipeline through a reducing joint, and the third pipeline is provided with a clamping plate.

Further, the method comprises the following steps of; the tail end of the third pipeline is provided with a luer connector, and a cover cap is arranged on the luer connector.

Further, the method comprises the following steps of; the sample outlet device is connected with the recovery device through a second pipeline and a cross four-way joint, and a clamping plate is arranged on the second pipeline close to the recovery device.

Further, the method comprises the following steps of; the recovery device is a waste liquid bag.

Further, the method comprises the following steps of; the clamping plate comprises a closing channel and a communicating channel, the closing channel is long-strip-shaped, and when the pipeline is located in the closing channel, the pipeline is in a closing state; the communicating passage is circular, and when the pipeline is positioned in the communicating passage, the pipeline is in a communicating state.

Further, the method comprises the following steps of; the recovery device is provided with a mark area.

In summary, the present invention discloses a sampling bag capable of sampling for multiple times, wherein the sampling bag is always connected to a sample output device, and the sample output device is not polluted during the sampling process.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of a sampling unit according to the present invention.

FIG. 3 is a schematic view of a reducing joint structure according to the present invention.

FIG. 4 is a schematic view of a cross four-way joint structure according to the present invention.

FIG. 5 is a schematic view of a card board structure of the present invention.

Fig. 6 is a schematic view of a luer fitting configuration of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-6, a sampling bag, including sampling device and recovery unit 3, sampling device can be connected with a kind device, and sampling device includes a plurality of sampling units, and sampling unit, a kind device and recovery unit 3 pass through pipeline 2 intercommunication, still are provided with cardboard 5 that can realize pipeline 2 intercommunication or close on the pipeline 2, and sampling device can carry out a lot of samplings to a kind device under sealed condition. The sample-taking device contains a culture solution containing biological cells, which are usually suspended in the culture solution, and the culture of the biological cells requires a certain time and is limited by many external factors, so that the culture condition of the biological cells needs to be observed at intervals. The sampling bag is connected to the sample outlet device through the pipeline 2 and is connected all the time without being taken down, so that the sample outlet device can be always in a sealed state when the culture solution containing cells flows into the sampling bag for multiple times, and the solution in the sample outlet device is prevented from being polluted; the sampling bag 12 on the sampling unit can be independently taken down, so that multiple independent sampling can be realized, and the solution in the sampling device can not be polluted.

Normally, the pipe 2 is flexible and the pipe 2 can be opened or closed by the clamping plate 5. The clamping plate 5 comprises a closing channel 51 and a communicating channel 52, the closing channel 51 is long-strip-shaped, and when the pipeline 2 is positioned in the closing channel 51, the pipeline 2 is in a closed state; the communication passage 52 is circular, and when the pipe 2 is located in the communication passage 52, the pipe 2 is in a communication state.

Specifically speaking, the sampling unit includes cross four-way connection 11 and sampling bag 12 that can communicate with cross four-way connection 11, and cross four-way connection 11 includes first interface 111 and second interface 112, and two first interfaces 111 symmetry sets up and can communicate with sampling bag 12, and second interface 112 can realize the intercommunication between a plurality of sampling units. The single sampling unit comprises a cross joint 11 and two sampling bags 12, wherein the two sampling bags 12 are symmetrically connected to the first port 111 of the cross joint 11. The line 2 comprises a first line 21; the two sampling bags 12 are connected with the cross four-way joint 11 through a first pipeline 21, one end of the first pipeline 21 is connected with the first connector 111, the other end of the first pipeline is connected with a first channel 121 of the sampling bag 12 through the reducer union 6, the flow rate can be changed through the reducer union 6, the aperture of one end, connected with the pipeline 2, of the reducer union 6 is small, and the aperture of one end, connected with the sampling bag 12, of the reducer union 6 is large, so that the solution in the pipeline 2 can be ensured to flow into the sampling bag 12 quickly; preferably, the first pipeline 21 is provided with a clamping plate 5; the card 5 is capable of independently controlling the open or closed state of each sampling bag 12.

In addition, the sampling bag 12 is also provided with a second channel 122, the second channel 122 is connected with a third pipeline 23 through a reducer union 6, and the third pipeline 23 is provided with a clamping plate 5; the end of the third pipeline 23 is provided with a luer connector 7, and a cap 71 is arranged on the luer connector 7. The second passage 122 is provided to allow the sampling bag 12 to have a vent during sampling so that the solution in the pipeline 2 can enter the sampling bag 12 more quickly.

The second interface 112 of the cross-shaped four-way joint 11 can realize the communication among a plurality of sampling units, that is, a plurality of second interfaces 112 are connected through the second pipeline 22, the start end, the sample outlet device is communicated with the second interface 112 of the cross-shaped four-way joint 11 through the second pipeline 22, and the end, the second interface 112 of the cross-shaped four-way joint 11 is connected with the recovery device 3 through the second pipeline 22, preferably, the sample outlet device is connected with the recovery device 3 through the second pipeline 22 and the cross-shaped four-way joint 11, the second pipeline 22 close to the recovery device 3 is provided with a clamping plate 5, the recovery device 3 is a waste liquid bag, can recover waste liquid in the pipeline 2, that is, in the process of second liquid outlet, in order to collect more accurate culture liquid with cells, when the solution flows into a new sampling bag 12, a flushing action is firstly carried out on the pipeline 2 to ensure that no residual solution in the pipeline 2 at a time exists, thereby making the sampling more accurate. In addition, the waste liquid bag can not be abandoned at will, and the recovery unit 3 is provided with a mark area which can mark the solution in the waste liquid bag so as to facilitate the subsequent treatment.

In summary, the sampling bag of the present invention specifically operates as follows: first, the second tube 22 at the beginning of the sampling bag is connected to the sampling device, and in the initial state, all the clamping plates 5 are in the closed state. For the first sampling, the clamping plate 5 of one of the sampling bags 12 is opened, that is, the clamping plates 5 on the first pipeline 21 and the third pipeline 23 corresponding to the sampling bag 12 are both opened, the cap 71 at the end of the three pipelines 23 is also opened, the sample outlet of the sample outlet device is opened, the culture solution containing cells in the sample outlet device flows into the sampling bag 12 from the pipeline 2, after the sampling is completed, the clamping plate 5 of the sampling bag 12 is also closed, and then the sampling bag 12 is detached from the device, so that the sampling is considered to be completed, and of course, the sampling bag 12 is detached, the first pipeline 21 is still connected with the cross four-way joint 11, so as to ensure the sealing performance of the whole device. During secondary sampling, the clamping plate 5 corresponding to the recovery device 3 is firstly opened, the sample outlet of the sample outlet device is opened, new solution is completely circulated in the pipeline 2, the clamping plate 5 corresponding to the recovery device 3 is closed, at the moment, the new solution plays a role in washing the first solution remained in the pipeline 2 before, the pipeline 2 is cleaned, the original solution remained in the pipeline 2 is discharged into the recovery device 3, then the other sampling bag 12 is opened, secondary sampling is completed, the sampling process is the same as the first sampling process at the moment, and therefore the sampling process is not repeated. By analogy, a third, fourth or even more sampling can be performed, preferably the device is provided with ten sampling bags 12. The device can realize multiple sampling by completing one-time connection, and simultaneously ensures that the sampling process is always sealed and pollution-free.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims

1. A sampling bag, characterized in that: including sampling device and recovery unit (3), sampling device can be connected with a kind device, and sampling device includes a plurality of sampling units, and sampling unit, a kind device and recovery unit (3) are through pipeline (2) intercommunication, still are provided with cardboard (5) that can realize pipeline (2) intercommunication or close on pipeline (2), and sampling device can carry out a lot of samplings to a kind device under sealed condition.

2. A sampling bag according to claim 1, wherein: the sampling unit comprises a cross four-way joint (11) and a sampling bag (12) which can be communicated with the cross four-way joint (11), the cross four-way joint (11) comprises a first interface (111) and a second interface (112), the two first interfaces (111) are symmetrically arranged and can be communicated with the sampling bag (12), and the second interface (112) can realize the communication among a plurality of sampling units.

3. A sampling bag according to claim 2, wherein: the line (2) comprises a first line (21); one end of the first pipeline (21) is connected with the first interface (111), and the other end is connected with the first channel (121) of the sampling bag (12) through the reducer union (6).

4. A sampling bag according to claim 3, wherein: the first pipeline (21) is provided with a clamping plate (5).

5. A sampling bag according to claim 2, wherein: the sampling bag (12) is further provided with a second channel (122), the second channel (122) is connected with a third pipeline (23) through a reducing joint (6), and a clamping plate (5) is arranged on the third pipeline (23).

6. A sampling bag according to claim 5, wherein: the tail end of the third pipeline (23) is provided with a luer connector (7), and a cover cap (71) is arranged on the luer connector (7).

7. A sampling bag according to claim 2, wherein: the sample outlet device is connected with the recovery device (3) through a second pipeline (22) and a cross four-way joint (11), and a clamping plate (5) is arranged on the second pipeline (22) close to the recovery device (3).

8. A sampling bag according to claim 1, wherein: the recovery device (3) is a waste liquid bag.

9. A sampling bag according to claim 1, wherein: the clamping plate (5) comprises a closing channel (51) and a communicating channel (52), the closing channel (51) is long-strip-shaped, and when the pipeline (2) is located in the closing channel (51), the pipeline (2) is in a closing state; the communication passage 52 is circular, and when the pipe 2 is located in the communication passage 52, the pipe 2 is in a communication state.

10. A sampling bag according to claim 1, wherein: the recovery device (3) is provided with a mark area (31).