CN213347191U

CN213347191U - Cell feedback bag

Info

Publication number: CN213347191U
Application number: CN202021775204.XU
Authority: CN
Inventors: 陈俊峰; 许璐云
Original assignee: Ningbo Sinosat Biotechnology Co ltd
Current assignee: Ningbo Sinosat Biotechnology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-06-04
Anticipated expiration: 2030-08-21

Abstract

The utility model relates to a cell feedback bag, its characterized in that: including the bag body, the bag body is still including normal saline chamber and cell chamber, sets up first switch on the first interface channel of normal saline chamber and cell chamber to and set up the second switch in the upper reaches of total delivery outlet, the total delivery outlet that is linked together with first delivery outlet and second delivery outlet, first delivery outlet and second delivery outlet are opened and closed to this second switch alternative selection, thereby realize that the bag body can be used for outputting normal saline or cell to the human body alternative, compare with prior art, the utility model has the advantages of an aggregate cell injection bag and normal saline bag are in cell feedback bag of an organic whole is provided, can wash remaining cell to human output under the control of first switch and second switch alternative to human input normal saline, cell or utilize normal saline to remain in the cell chamber.

Description

Cell feedback bag

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a cell feedback bag.

Background

Stem cells are cells with proliferative and differentiative potential, have the ability to self-renew and replicate, and are capable of producing highly differentiated functional cells. Stem cells are used for treating various diseases due to their own characteristics, and the stem cells are prepared into injection to be injected into a human body. When a common reinfusion device is used for injecting stem cell solution, the stem cell injection cannot be completely utilized, and a plurality of stem cells are remained on the wall of a stem cell injection bag, so that medical resources are wasted and polluted. In order to solve the technical problem, chinese utility model patent that a patent number is ZL201921536772.1 (the grant bulletin number is CN210813094U) discloses a stem cell feedback ware with double-end switch, including first syringe needle, first syringe needle bottom is connected with the hard tube, and the hard tube lateral wall is connected with the back flow, the back flow is connected with the second syringe needle, and the back flow outer wall is provided with the stagnant water clamp to pressing from both sides, the hard tube bottom is connected with the connecting pipe, and the connecting pipe bottom is linked there is the drip cup, drip cup bottom is connected with the drain pipe, the drain pipe bottom is connected with the screwed joint head, and the drain pipe outer wall cover is equipped with the speed regulator, connecting pipe, drip cup, drain pipe and screwed joint are transparent plastic material integrated into one piece structure. The utility model can utilize normal saline to wash the residual stem cells on the bag wall of the stem cell injection bag after the injection of the stem cell injection is finished, and inject the residual stem cells into the human body again, thereby avoiding the waste and pollution of medical resources; although the stem cell reinfusion device can be respectively connected with the stem cell injection bag and the normal saline bag due to the double-end switch, so that the stem cells remained on the wall of the stem cell injection bag can be flushed by using the normal saline, the conventional stem cell injection bag and the normal saline bag are still two independent bags, so that the problem of inconvenient use still exists, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a cell feedback bag which can integrate a cell injection bag and a saline bag and can also utilize the saline to wash the residual cells while integrating the cell injection bag and the saline bag.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the cell transfusion bag is characterized in that: including the bag body, the bag body is still including:

the physiological saline cavity is arranged at the upper part of the bag body, is used for containing physiological saline and comprises a first output port;

the cell cavity is arranged at the lower part of the bag body, is used for containing cells and comprises a second output port;

the first switch is arranged on the first connecting channel of the physiological saline cavity and the cell cavity and is used for controlling the opening and the closing of the first connecting channel;

the main output port is communicated with the first output port and the second output port; and

the second switch is arranged at the upstream of the main output port, is connected with a second connecting channel at the communication position of the first output port and the second output port, and is used for selectively opening and closing the first output port and the second output port, so that the bag body can be used for selectively outputting physiological saline or cells to a human body.

In order to facilitate the saline input into the bag body, preferably, the bag body has a saline input port communicated with the saline chamber, and the saline input port is used for inputting the saline into the saline chamber.

In order to facilitate the input of cells into the pouch, the pouch preferably has a cell input port communicating with the cell cavity for the input of cells into the cell cavity.

In order to open and close the first connection channel, there are various ways, such as a battery valve structure, and from the viewpoint of simple structure, it is preferable that the first connection channel includes a first opening communicating with the saline chamber, a second opening communicating with the cell chamber, and a third opening into which the first switch is inserted, the first switch has a first head portion exposed out of the first connection channel and a first tail portion located in the third opening of the first connection channel, the first tail portion is provided with a first through-flow opening in a shape of "one" and the first connection channel is opened in a state that the first through-flow opening is aligned with the first opening and the second opening.

Also, in order to open and close the second connection channel, from the viewpoint of simple structure, it is preferable that the second connection channel includes a fourth opening communicating with the first output port, a fifth opening communicating with the second output port, a sixth opening communicating with the main output port, and a seventh opening into which the second switch is inserted, the second switch has a second head portion exposed out of the second connection channel and a second tail portion located in the seventh opening of the second connection channel, the second tail portion is provided with a second flow port in an "L" shape, and the second flow port is communicated with the fourth opening and the sixth opening, so that the bag can be used for outputting physiological saline to a human body; and in a state where the second circulation port is communicated with the fifth opening and the sixth opening, thereby enabling the bag body to output cells to the human body, and in a state where the first connection passage is opened and the second circulation port is communicated with the fifth opening and the sixth opening, thereby enabling the bag body to simultaneously output saline and cells to the human body.

Compared with the prior art, the utility model has the advantages of the cell feedback bag that an aggregate cell injection bag and normal saline bag are in an organic whole is provided, this cell feedback bag is under the state that first switch was closed, and when the first delivery outlet was opened in the alternative selection of second switch, can realize exporting normal saline to the human body, and under the state that first switch was closed in the cell feedback bag, the alternative selection of second switch was opened during the second delivery outlet, can realize exporting the cell to the human body, and open at first switch, the alternative selection of second switch is opened during the second delivery outlet, can realize utilizing normal saline to wash remaining cell in the cell cavity and export remaining cell to the human body, have convenient to use's characteristics.

Drawings

Fig. 1 is a schematic structural diagram of a cell feedback bag in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a cross-sectional view of the second vent in communication with the fifth opening and the sixth opening, thereby enabling the bag to deliver cells to a human body in an embodiment of the present invention;

fig. 4 is a cross-sectional view of the second vent in communication with the fourth opening and the sixth opening to enable the bag body to deliver saline to a human body according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second switch according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of FIG. 5;

fig. 7 is a schematic structural diagram of a second connecting channel in the embodiment of the present invention;

fig. 8 is a schematic structural diagram of the first connecting channel in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in FIGS. 1 to 8, the preferred embodiment of the present invention is shown. The cell feedback bag in the embodiment comprises a bag body 1, the bag body 1 further comprises a physiological saline cavity 11 arranged at the upper part of the bag body 1, the physiological saline cavity 11 comprises a first output port 111 and is used for containing physiological saline, a cell cavity 12 arranged at the lower part of the bag body 1, the cell cavity 12 comprises a second output port 121 and is used for containing cells, and a first switch 13 arranged on a first connecting channel 14 of the physiological saline cavity 11 and the cell cavity 12, wherein the first switch 13 is used for controlling the opening and closing of the first connecting channel 14; in addition, the bag further comprises a main output port 15 communicated with the first output port 111 and the second output port 121, and a second switch 16 arranged at the upstream of the main output port 15, wherein the second switch 16 is arranged on a second connecting channel 17 communicated with the first output port 111 and the second output port 121 and is used for selectively opening and closing the first output port 111 and the second output port 121, so that the bag body 1 can be used for selectively outputting physiological saline or cells to a human body. The cell transfusion bag can output the physiological saline to the human body when the first switch 13 is turned off and the second switch 16 alternatively selects to open the first output port 111, and can output the cells to the human body when the first switch 13 is turned on and the second switch 16 alternatively selects to open the second output port 121, and can flush the cells remaining in the cell cavity 12 with the physiological saline to output the remaining cells to the human body when the first switch 13 is turned on and the second switch 16 alternatively selects to open the second output port 121, wherein the cells include but are not limited to stem cells and immune cells.

Specifically, in order to facilitate the input of the saline into the bag body 1, the bag body 1 has a saline input port 112 communicating with the saline chamber 11, the saline input port 112 being for inputting the saline into the saline chamber 11. Similarly, in order to facilitate the cell input into the pouch body 1, the pouch body 1 has a cell input port 122 communicating with the cell cavity 12, the cell input port 122 being for the cell input into the cell cavity 12. In this embodiment, in order to open and close the first connection channel 14, the first connection channel 14 includes a first opening 141 communicated with the saline chamber 11, a second opening 142 communicated with the cell chamber 12, and a third opening 143 for inserting the first switch 13 therein, the first switch 13 has a first head 131 exposed out of the first connection channel 14 and a first tail 132 located in the third opening 143 of the first connection channel 14, the first tail 132 is provided with a first flow port 1321 in a shape of "one" and the first connection channel 14 is opened in a state that the first flow port 1321 is aligned with the first opening 141 and the second opening 142. Similarly, in order to open and close the second connection channel 17, the second connection channel 17 includes a fourth opening 171 communicated with the first output port 111, a fifth opening 172 communicated with the second output port 121, a sixth opening 173 communicated with the main output port 15, and a seventh opening 174 into which the second switch 16 is inserted, the second switch 16 has a second head 161 exposed out of the second connection channel 17 and a second tail 162 located in the seventh opening 174 of the second connection channel, the second tail 162 is provided with an "L" -shaped second flow port 1621, and the bag body 1 is capable of outputting physiological saline to a human body in a state where the second flow port 1621 is communicated with the fourth opening 171 and the sixth opening 173; in a state where the second port 1621 is in communication with the fifth opening 172 and the sixth opening 173, the bag body 1 can be used to deliver cells to the human body, and in a state where the first connection passage 14 is opened and the second port 1621 is in communication with the fifth opening 172 and the sixth opening 173, the bag body 1 can be used to deliver the saline and the cells to the human body at the same time.

The specific use mode of the cell feedback bag is as follows:

firstly, the normal saline enters the normal saline cavity 11 through the first output port 111, and the cell sap enters the cell cavity 12 through the second output port 121;

secondly, the blood transfusion apparatus is connected in the main output port 15;

finally, in a state where the first switch 13 is closed, when the second switch 16 alternatively selectively opens the first output port 111, that is, in a state where the second port 1621 communicates with the fourth port 171 and the sixth port 173, the normal saline can be delivered to the human body, in a state where the first switch 13 is closed, when the second switch 16 alternatively selectively opens the second output port 121, that is, when the second port 1621 communicates with the fourth port 171 and the sixth port 173, the cells can be delivered to the human body, and when the first switch 13 is open, that is, when the first port 1321 aligns with the first port 141 and the second port 142, when the second switch 16 alternatively selectively opens the second output port 121, the cells remaining in the cell chamber 12 can be flushed with the normal saline and the remaining cells can be delivered to the human body.

Claims

1. A cell reinfusion bag, which is characterized in that: including the bag body (1), the bag body (1) is still including:

the physiological saline cavity (11) is arranged at the upper part of the bag body (1) and used for containing physiological saline, and comprises a first output port (111);

the cell cavity (12) is arranged at the lower part of the bag body (1) and used for containing cells, and comprises a second output port (121);

a first switch (13) provided on a first connection channel (14) of the saline chamber (11) and the cell chamber (12) for controlling opening and closing of the first connection channel (14);

a main output port (15) communicating with the first output port (111) and the second output port (121); and

and the second switch (16) is arranged on a second connecting channel (17) at the communication position of the upstream of the main output port (15) and communicated with the first output port (111) and the second output port (121) and is used for selectively opening and closing the first output port (111) and the second output port (121), so that the bag body (1) can be used for selectively outputting physiological saline or cells to a human body.

2. The cell reinfusion bag according to claim 1, wherein: the bag body (1) is provided with a normal saline input port (112) communicated with the normal saline cavity (11), and the normal saline input port (112) is used for inputting normal saline into the normal saline cavity (11).

3. The cell reinfusion bag according to claim 1 or 2, wherein: the bag body (1) is provided with a cell input port (122) communicated with the cell cavity (12), and the cell input port (122) is used for inputting cells into the cell cavity (12).

4. The cell reinfusion bag according to claim 3, wherein: the first connecting channel (14) comprises a first opening (141) communicated with the physiological saline cavity (11), a second opening (142) communicated with the cell cavity (12) and a third opening (143) for inserting the first switch (13), the first switch (13) is provided with a first head part (131) exposing the first connecting channel (14) and a first tail part (132) positioned in the third opening (143) of the first connecting channel (14), the first tail part (132) is provided with a first flow opening (1321) in a straight shape, and the first connecting channel (14) is opened under the condition that the first flow opening (1321) is aligned with the first opening (141) and the second opening (142).

5. The cell reinfusion bag according to claim 4, wherein: the second connecting channel (17) comprises a fourth opening (171) communicated with the first output port (111), a fifth opening (172) communicated with the second output port (121), a sixth opening (173) communicated with the main output port (15) and a seventh opening (174) for inserting the second switch (16) therein, the second switch (16) is provided with a second head part (161) exposed out of the second connecting channel (17) and a second tail part (162) positioned in the seventh opening (174) of the second connecting channel, the second tail part (162) is provided with a second flow port (1621) in an L shape, and the second flow port (1621) is communicated with the fourth opening (171) and the sixth opening (173), so that the bag body (1) can be used for outputting physiological saline to a human body; in a state where the second communication port (1621) is communicated with the fifth opening (172) and the sixth opening (173), the bag body (1) can be used to deliver cells to the human body, and in a state where the first connection channel (14) is opened and the second communication port (1621) is communicated with the fifth opening (172) and the sixth opening (173), the bag body (1) can be used to deliver the physiological saline and the cells to the human body at the same time.