CN213048216U

CN213048216U - Blood transfusion bag

Info

Publication number: CN213048216U
Application number: CN202020943904.9U
Authority: CN
Inventors: 李媛媛; 卢雯; 周辉; 李旭英; 李金花
Original assignee: Hunan Cancer Hospital
Current assignee: Hunan Cancer Hospital
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-04-27
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a blood transfusion bag, this blood transfusion bag include the blood storage bag, pass through the carrier liquid bag of pipe connection and locate the control valve of pipeline with the blood storage bag, and the control valve includes valve body, valve shaft and valve plate, and the valve body is inside to have a holding chamber, and holding chamber and pipeline intercommunication, the vertical holding chamber that runs through the valve body of one end of valve shaft and the lateral wall that inserts the valve body are in order to be connected with the valve body, and the valve plate cup joints outside the valve shaft, twists the valve shaft and rotates in order to drive the valve plate. The utility model discloses a blood transfusion bag, which controls the size and the on-off of the physiological saline entering the blood storage bag by arranging a control valve between a liquid carrying bag and the blood storage bag, thereby controlling the size and the on-off of an opening of a valve body, and accurately controlling the amount of the liquid by controlling the physiological saline entering the blood storage bag; through the on-off control to the flow, come a lot of to wash blood storage bag and infusion pipeline to thorough washing has avoided the waste of precious blood, has avoided the mixed latent risk that induces of different blood, has improved the security.

Description

Blood transfusion bag

Technical Field

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

Background

The blood transfusion bag is a medical appliance which is used frequently in clinic. Under various conditions, after blood transfusion, the blood transfusion bag needs to be filled with physiological saline to flush the blood bag or blood transfusion tube, so that firstly, blood waste is avoided, especially, the residual stem cell suspension in the hematopoietic stem cell blood transfusion bag is reduced, and the stem cells are very precious; and secondly, different bags of blood are continuously infused, and because each bag of blood is different, the potential risk of adverse transfusion events caused by mixing of different blood is avoided.

In the related art, in order to solve the problem of flushing residual blood in a blood transfusion bag and a blood transfusion tube, a normal saline bag is connected to the blood transfusion bag, normal saline is squeezed into the blood transfusion bag by squeezing the normal saline bag once, the blood transfusion bag can only be flushed once, and cannot be flushed for multiple times to completely flush the blood, and the liquid volume of the normal saline cannot be controlled under the condition that the flushing volume needs to be controlled specifically.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, embodiments of the present invention provide a blood transfusion bag capable of performing multiple flushing to thoroughly flush the blood transfusion bag and controlling the amount of the liquid.

The technical scheme of the utility model is realized like this:

the utility model provides a blood transfusion bag, including blood storage bag, with blood storage bag passes through the carrier liquid bag of pipe connection and locates the control valve of pipeline, the control valve includes valve body, valve shaft and valve plate, the valve body is inside to have the holding chamber, the holding chamber with the pipeline intercommunication, the one end of valve shaft is vertical to be run through the holding chamber of valve body and insert the lateral wall of valve body with the valve body is connected, the valve plate cup joints outside the valve shaft and with the inner wall of valve body contacts, twists the valve shaft in order to drive the valve plate rotates and controls break-make and the flow of liquid in the pipeline.

Preferably, the valve body is provided with a mounting hole, the valve body comprises a shell and a sealing core body fixed in the shell, the sealing core body is provided with a blind hole, the mounting hole and the blind hole are positioned on the same straight line, and the valve shaft penetrates through the mounting hole and is inserted into the blind hole.

Preferably, the valve plate is in interference fit with the seal core body.

Preferably, the seal core body is a rubber seal core body, and the shell is a plastic shell.

Preferably, the valve shaft comprises a shaft body and a handle arranged at the end of the shaft body, and the shaft body penetrates through the accommodating cavity and is inserted into the blind hole.

Preferably, the outer wall of the liquid carrying bag is marked with scale marks.

Preferably, the liquid-carrying sac is a transparent liquid-carrying sac.

Preferably, the liquid-carrying sac is a rubber liquid-carrying sac or a plastic liquid-carrying sac.

Preferably, the blood storage bag comprises a bag body and a hanging body fixed on the bag body, and blood type symbols are marked on the hanging body.

Preferably, the valve shaft and the valve plate are both made of plastic.

The embodiment of the utility model provides a blood transfusion bag controls the size and the break-make of the physiological saline volume that gets into the blood storage bag through setting up the control valve between carrier liquid bag and blood storage bag, rotates the valve shaft and drives the valve plate rotates different angles, thereby controls the opening size and the opening and closing of valve body, wherein, through controlling the opening size according to different demands in order to control the physiological saline volume that gets into in the blood storage bag, thereby accurate control liquid measure; through the on-off control to the flow, realize washing many times store up blood bag and infusion pipeline to carry out thorough washing, wash cleaner, great avoid precious blood's waste, also avoided the mixed latent risk that brings the blood transfusion adverse event and take place of different blood, improved the security.

Drawings

Fig. 1 is a schematic structural view of a blood transfusion bag provided by the present invention;

FIG. 2 is a cross-sectional view of the control valve shown in FIG. 1 closed;

FIG. 3 is a cross-sectional view of the control valve shown in FIG. 1 open;

fig. 4 is an external structural view of the control valve shown in fig. 2.

Detailed Description

In order to illustrate embodiments of the present invention or technical solutions in the prior art more clearly, the following description will be made in conjunction with the accompanying drawings in embodiments of the present invention to describe the technical solutions in the embodiments of the present invention clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1, which is a schematic structural diagram of a blood transfusion bag according to the present invention. This blood transfusion bag including store up blood bag 1, with store up blood bag 1 through the carrier liquid bag 3 that pipeline 2 is connected and locate pipeline 2's control valve 7, carry the internal normal saline that loads of liquid bag 3, control valve 7 is used for the control follow carry liquid bag 3 to get into the break-make and the flow size of the normal saline in the pipeline 2 open control valve 7 extrudees carry liquid bag 3 to make normal saline get into in the blood bag 1.

Referring to fig. 2 and 3 in combination, fig. 2 is a cross-sectional view of the control valve of fig. 1 closed; fig. 3 is a cross-sectional view of the control valve shown in fig. 1 open. The control valve 7 comprises a valve body 71, a valve shaft 73 and a valve plate 75, wherein an accommodating cavity 711 is formed in the valve body 71, the accommodating cavity 711 is communicated with the pipeline 2, and the liquid carrying bag 3 conveys the physiological saline into the accommodating cavity 711 through the pipeline 2 and then transits into the blood storage bag 1 through the pipeline 2. One end of the valve shaft 73 vertically penetrates through the accommodating cavity 711 of the valve body 71 and is inserted into the side wall of the valve body 71 to be connected with the valve body 71, the valve plate 75 is sleeved outside the valve shaft 73 and is in contact with the inner wall of the valve body 71, the valve shaft 73 is screwed to drive the valve plate 75 to rotate so as to control the on-off and the flow of the liquid in the pipeline 2, the valve shaft 73 is rotated to drive the valve plate 75 to rotate by different angles so as to control the opening size and the opening and closing of the valve body 71, wherein the opening size is controlled according to different requirements so as to control the amount of physiological saline entering the blood storage bag 1, so that the flushing liquid amount is accurately controlled; through the on-off control of the flow, the blood storage bag 1 and the infusion pipeline 2 can be flushed for multiple times so as to carry out thorough flushing and to flush cleaner, such as precious stem cell suspension remaining in the bag.

The valve body 71 is provided with a mounting hole 713, the valve body 71 comprises a housing 715 and a sealing core 717 fixed in the housing 715, the sealing core 717 is provided with a blind hole 719, the mounting hole 713 and the blind hole 719 are positioned on the same straight line, the valve shaft 73 penetrates through the mounting hole 713 and is inserted into the blind hole 719, the valve shaft 73 is screwed to enable the valve shaft 73 to rotate in the blind hole 719, and the valve shaft 73 rotates to drive the valve plate 75 to rotate so as to deflect relative to the sealing core 717.

The valve plate 75 and the seal core 717 are in interference fit so that the two can be better sealed in contact, when the control valve 7 is in a closed state, the outer periphery of the valve plate 75 is in contact with the seal core 717, when the control valve 7 is in an open state, the valve plate 75 and the seal core 717 deflect, and the physiological saline passes through the deflected opening.

Specifically, in this embodiment, the seal core 717 is a rubber seal core, and the rubber has a certain elasticity, so that when the valve plate 75 contacts the seal core 717, better sealing can be achieved, and the valve plate 75 is not prevented from rotating.

Specifically, in this embodiment, the housing 715 is a plastic housing. Preferably a relatively hard plastic, which allows for better styling.

The valve shaft 73 includes a shaft body 731 and a handle 733 disposed at an end of the shaft body 731, the shaft body 731 passes through the accommodating cavity 711 and is inserted into the blind hole 719, and the handle 733 is screwed to drive the shaft body 731 to rotate.

Specifically, in the present embodiment, the valve shaft 73 and the valve plate 75 are both made of plastic, preferably hard plastic, and preferably, the material of the valve shaft 73 and the material of the valve plate 75 are the same as the material of the housing 715. In the present embodiment, the valve shaft 73 and the valve plate 75 are formed by integral injection molding.

Referring to fig. 4, an external structural view of the control valve shown in fig. 2 is shown. The control valve 7 is a pancake-shaped structure with a certain thickness.

Wherein, the outer wall of the liquid carrying bag 3 is marked with scale lines 31 to mark the physiological saline quantity inside. Meanwhile, in order to enable medical staff to see the physiological saline quantity in the liquid carrying bag 3 more clearly, the liquid carrying bag 3 is a transparent liquid carrying bag.

Specifically, in this embodiment, the pipe 2 is a rubber pipe, and the pipe 2 may be a hard rubber pipe or a soft rubber pipe, and preferably, in this embodiment, the pipe 2 is a soft rubber pipe. The material of the pipeline 2 is consistent with that of the transfusion tube of the blood transfusion bag.

The liquid carrying bag 3 is a sphere, the liquid carrying bag 3 is a rubber liquid carrying bag or a plastic liquid carrying bag, preferably, the liquid carrying bag 3 is a plastic liquid carrying bag, plastic has a certain shaping effect, and thin plastic can deform to a certain extent under the extrusion of external force, so that the physiological saline in the liquid carrying bag 3 can be extruded conveniently.

Blood storage bag 1 includes bag body 11 and is fixed in hang body 13 on the bag body 11, hang and mark blood group symbol on the body 13. The mark that the blood group accords with is convenient for medical personnel to discern the blood group in the blood bag, has the warning effect, avoids taking the blood transfusion bag of different blood groups by mistake, alleviates medical personnel's operating pressure.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a blood transfusion bag, its characterized in that, including store up the blood bag, with the carrier liquid bag that the blood storage bag passes through the pipe connection and locates the control valve of pipeline, the control valve includes valve body, valve shaft and valve plate, the valve body is inside to have the holding chamber, the holding chamber with the pipeline intercommunication, the one end of valve shaft is vertical to be run through the holding chamber of valve body and to be inserted the lateral wall of valve body in order with the valve body is connected, the valve plate cup joints outside the valve shaft and with the inner wall of valve body contacts, twists the valve shaft in order to drive the valve plate rotates and controls break-make and the flow of liquid in the pipeline.

2. A blood transfusion bag as recited in claim 1, wherein said valve body has a mounting hole, said valve body comprises a housing and a sealing core fixed in said housing, said sealing core has a blind hole, said mounting hole and said blind hole are located on the same line, said valve shaft passes through said mounting hole and is inserted into said blind hole.

3. A blood transfusion bag according to claim 2, wherein the valve plate is in interference fit with the sealing core.

4. The blood transfusion bag of claim 3, wherein the sealing core is a rubber sealing core and the housing is a plastic housing.

5. The blood transfusion bag according to claim 2, wherein the valve shaft includes a shaft body and a handle provided at an end of the shaft body, the shaft body being inserted through the accommodation cavity into the blind hole.

6. A blood transfusion bag according to claim 1, wherein the outer wall of the fluid carrying bag is marked with graduation marks.

7. A blood transfusion bag according to claim 1, wherein the fluid-carrying bag is a transparent fluid-carrying bag.

8. The blood transfusion bag of claim 7 wherein the fluid-carrying bladder is a rubber-carrying bladder or a plastic-carrying bladder.

9. A blood transfusion bag according to claim 1, wherein said blood storage bag comprises a bag body and a hanging body fixed to said bag body, said hanging body being marked with a blood type symbol.

10. A blood transfusion bag according to claim 1, wherein said valve shaft and said valve plate are both made of plastic.