Waste liquid bag

Abstract

The utility model provides a waste liquid bag which comprises a liquid storage bag, a liquid inlet device, a liquid discharge device and a suspension device, a first connector and a second connector are welded on the side wall of the liquid storage bag, and a liquid inlet guide pipe, a liquid discharge valve and the liquid storage bag are respectively connected through the first connector and the second connector. Therefore, a liquid inlet guide pipe and a liquid discharge valve are prevented from being directly welded to the edge of the waste liquid bag, the welding machining difficulty of the waste liquid bag can be reduced, the situation of liquid leakage of the waste liquid bag caused by non-fitting welding during welding is avoided, and the quality of the waste liquid bag can be improved; furthermore, an interlayer is arranged in the suspension device, a hard hand-held plate is wrapped in the interlayer, and a suspension hole is formed in the hard hand-held plate, so that the deformation resistance of the suspension device can be improved; the hanging holes comprise the movable through holes capable of transversely sliding, so that the distance between the hanging holes can be changed to adapt to hooks on different types of medical equipment, and the universality of the waste liquid bag can be improved.

Description

Technical Field

[0001] The utility model relates to the field of medical technology, in particular to a waste liquid bag. Background Art

[0002] A waste liquid bag is a disposable medical device used for collecting and storing waste liquid, and is usually used for collecting and treating various liquids discharged from a patient's body during treatment, such as hemodialysis, peritoneal dialysis, colonic dialysis, surgical drainage, urine collection and other treatment processes. Taking hemodialysis as an example, when using a blood purification device for treatment, waste liquid is constantly generated. Therefore, a waste liquid bag is usually hung on the blood purification device to collect various waste liquids.

[0003] The waste liquid bags in the prior art include a liquid storage bag, a liquid outlet pipe is arranged below the liquid storage bag, a hanging area and a liquid inlet pipe are arranged above the liquid storage bag, and a hanging hole and a hanging buckle are arranged at the upper end of the hanging area. Currently, there are mainly the following problems: (1) The liquid inlet pipe passes through the hanging area above the liquid storage bag. Therefore, when hot pressing and welding the upper edge of the liquid storage bag, the upper edge of the bag body and the liquid inlet pipe need to be pressed and welded together. However, the welding difficulty at the circumferential wall part of the liquid inlet pipe is greater than that at the edge of the bag body, and it is easy to have the situation that the welding at the circumferential wall part of the liquid inlet pipe is not well-fitted, resulting in leakage of the bag body; (2) The liquid inlet pipe is arranged above the liquid storage bag. When the waste liquid bag is hung on some blood purification devices, the space between the upper part of the liquid storage bag and the blood purification device is not enough to accommodate components such as the liquid inlet pipe. When there is interference between the two, the liquid inlet pipe needs to be bent and used, which may cause the waste liquid not to flow into the liquid storage bag normally; (3) The capacity of the waste liquid bag is usually 5000 - 10000 ml. As the weight of the waste liquid bag gradually increases after being filled with liquid, the bag body continuously sags due to its own weight. After the hanging hole and the hanging buckle on the hanging area are stressed and pulled, they will deform, and even break severely, easily causing accidents such as the waste liquid bag falling and the waste liquid splashing out, and further leading to the risk of biological pollution to the treatment environment; (4) The positions of the hanging hole and the hanging buckle on the hanging area cannot be adjusted. Since the hook specifications for hanging the waste liquid bag on blood purification devices of different manufacturers are different, one type of waste liquid bag cannot be applied to blood purification devices of multiple manufacturers, and the versatility of the waste liquid bag is poor, which will affect the user experience. Therefore, there is an urgent need to provide a waste liquid bag that is easy to process, convenient to use, the hanging area is not easy to break, and has high versatility. Summary of the Utility Model

[0004] The utility model provides a waste liquid bag, which is easy to process, convenient to use, the hanging area is not easy to break, and has high versatility compared with the prior art. The specific technical solutions are as follows:

[0005] A waste liquid bag, comprising a liquid storage bag, a liquid inlet device, a liquid discharge device and a suspension device. The liquid inlet device includes a first connector and a liquid inlet conduit. The first connector is provided on the side wall of the liquid storage bag. The liquid inlet conduit is connected to the liquid storage bag through the first connector.

[0006] Further, the liquid inlet conduit is connected to the first connector on the side wall of the liquid storage bag from the side of the liquid storage bag.

[0007] Further, the liquid discharge device includes a second connector and a liquid discharge valve. The second connector is provided on the side wall of the liquid storage bag. The liquid discharge valve is connected to the liquid storage bag through the second connector.

[0008] Further, the liquid inlet conduit includes a liquid inlet pipe, a first branch pipe and a second branch pipe in a tee structure. The liquid inlet pipe is connected to the liquid storage bag through the first connector. Switch clips for respectively controlling the opening and closing of the first branch pipe and the second branch pipe are provided on both the first branch pipe and the second branch pipe. Male Luer connectors and / or female Luer connectors are provided at the liquid inlet ends of the first branch pipe and the second branch pipe, and the male Luer connectors and the female Luer connectors are adapted to each other.

[0009] Further, the suspension device is provided above the liquid storage bag. A sandwich layer is provided inside the suspension device, and a rigid hand-held board is wrapped in the sandwich layer. Hanging holes are provided on the rigid hand-held board.

[0010] Further, a long-strip-shaped hollow through groove is also provided on the rigid hand-held board.

[0011] Further, there are at least two hanging holes, specifically fixed through holes and / or movable through holes. The hole positions of the movable through holes and the fixed through holes are at the same height, and the movable through holes can move horizontally.

[0012] Further, a long-strip-shaped hollow through groove is also provided on the rigid hand-held board. At least one hole seat that can slide on the through groove is provided on the through groove. The movable through hole is provided on the hole seat.

[0013] Further, grooves adapted to the upper and lower walls of the through groove are respectively provided on the upper and lower parts of the hole seat, so that the hole seat can slide left and right along the through groove.

[0014] Further, a locking member is also provided on the hole seat, and the locking part can fix the hole seat on the through groove.

[0015] The waste liquid bag provided by the present utility model connects the liquid inlet conduit and the drain valve to the liquid storage bag respectively through welding the first connector and the second connector on the side wall of the liquid storage bag, thereby avoiding directly welding the liquid inlet conduit and the drain valve on the edge of the waste liquid bag, reducing the processing difficulty of welding the waste liquid bag, avoiding the situation of liquid leakage from the waste liquid bag due to non-conforming welding during welding, being beneficial to improving the anti-leakage performance, and further enhancing the quality of the waste liquid bag.

[0016] Furthermore, the liquid inlet conduit is set as a tee structure, with two liquid inlet branches, namely the first branch pipe and the second branch pipe. Switch clips are arranged on both the first branch pipe and the second branch pipe, and male Luer connectors and / or female Luer connectors are arranged at the liquid inlet ends of the first branch pipe and the second branch pipe, which can achieve simultaneous liquid inlet, improve the liquid inlet efficiency of the waste liquid bag, and is convenient to operate with high versatility.

[0017] Furthermore, setting the liquid inlet conduit on the side of the liquid storage bag can avoid the situation that the liquid inlet conduit interferes with the medical device, the liquid inlet conduit bends, and thus the waste liquid cannot flow into the liquid storage bag normally due to insufficient space between the upper part of the waste liquid bag and the medical device, and can better ensure the smooth liquid inlet of the liquid inlet pipeline.

[0018] Furthermore, an interlayer is arranged inside the hanging device, a rigid hand-held board is wrapped in the interlayer, and hanging holes are arranged on the rigid hand-held board, which can improve the anti-deformation ability of the hanging device, reduce the probability of accidents such as deformation or even fracture of the hanging device after being pulled by the force due to the increased weight of the waste liquid bag, resulting in the fall of the waste liquid bag and the splashing of the waste liquid, and reduce the risk of biological contamination.

[0019] Furthermore, the hanging holes include movable through holes that can slide horizontally, so as to change the distance between each hanging hole to adapt to the hooks on medical devices of different models, and can further enhance the versatility of the waste liquid bag. Description of the Drawings

[0020] Figure 1 Schematic diagram of the structure of the waste liquid bag provided in the first embodiment.

[0021] Figure 2 Schematic diagram of the structure of the liquid inlet device provided in the first embodiment.

[0022] Figure 3 Schematic diagram of the structure of the waste liquid bag provided in the second embodiment Figure 1 .

[0023] Figure 4 Schematic diagram of the structure of the waste liquid bag provided in the second embodiment Figure 2 (The liquid inlet device and the drain device are omitted).

[0024] Figure 5 is Figure 4 an enlarged view of part A in

[0025] Figure 6 a schematic diagram of the usage state of the waste liquid bag provided for the second embodiment in combination with a blood purification device.

[0026] The reference numerals are as follows: 1 is a liquid storage bag, 2 is a liquid inlet device, 21 is a first connector, 22 is a liquid inlet conduit, 221 is a liquid inlet pipe, 222 is a first branch pipe, 223 is a second branch pipe, 224 is a switch clamp, 3 is a liquid discharge device, 31 is a second connector, 32 is a liquid discharge valve, 4 is a suspension device, 41 is a rigid hand-held plate, 42 is a suspension hole, 421 is a fixed through hole, 422 is a movable through hole, 43 is a through groove, 44 is a hole seat, and 441 is a locking member. Specific embodiments

[0027] The following further describes the specific embodiments of the present invention with reference to the accompanying drawings. For the convenience of description, in the present invention, the orientation or positional relationship indicated by terms such as "front", "rear", "front", "back", "left", "right", "top", "bottom", "upper", "lower", "inner", "outer", "inside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present invention and the actual orientation of the product or device during production, use, sales, etc. In addition, terms such as "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Furthermore, in the embodiments of the present invention, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation", "composition", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] First embodiment

[0029] The present invention provides a waste liquid bag, as Figure 1As shown, the waste liquid bag includes a liquid storage bag 1, a liquid inlet device 2, a liquid discharge device 3, and a suspension device 4; the liquid storage bag 1 is formed by hot pressing and welding of plastic materials, is hollow inside, and its periphery is welded and sealed to form a joint edge, which can be used to store waste liquid; the liquid inlet device 2 is used to drain waste liquid into the liquid storage bag 1. Specifically, the liquid inlet device 2 includes a first connector 21 and a liquid inlet conduit 22; the first connector 21 is welded to the side wall (including the side surface) of the liquid storage bag 1, and the liquid inlet conduit 22 is connected to the liquid storage bag 1 through the first connector 21, so that waste liquid can flow into the liquid storage bag 1 through the liquid inlet conduit 22; the connection manner between the first connector 21 and the liquid inlet conduit 22 can be integrally injection molded or a detachable connection; in this embodiment, the position of the first connector 21 is set below the upper joint edge of the liquid storage bag 1 and close to the upper joint edge, so that the effect of draining waste liquid is better; the liquid discharge device 3 is used to drain waste liquid out of the liquid storage bag 1; the suspension device 4 is used to suspend the waste liquid bag on a medical device.

[0030] For the waste liquid bag with the above structure, by welding the first connector 21 on the side wall of the liquid storage bag 1 and connecting the liquid inlet conduit 22 through the first connector 21, it is possible to avoid directly welding the liquid inlet conduit 22 on the edge of the waste liquid bag, reduce the processing difficulty of welding the waste liquid bag, avoid the situation of liquid leakage from the waste liquid bag caused by non-conforming welding at the circumferential wall part of the liquid inlet conduit 22 during welding, improve the leak-proof performance of the waste liquid bag, and thus improve the quality of the waste liquid bag.

[0031] In some embodiments, such as Figure 2As shown, the liquid inlet conduit 22 includes a liquid inlet pipe 221, a first branch pipe 222 and a second branch pipe 223, and the liquid inlet pipe 221, the first branch pipe 222 and the second branch pipe 223 are interconnected and form a three-way structure; the liquid inlet pipe 221 is connected to the liquid storage bag 1 through the first connector 21, and the first branch pipe 222 and the second branch pipe 223 are used to connect to the waste liquid pipe connector of the medical equipment to inlet liquid; the liquid inlet pipe 221, the first branch pipe 222 and the second branch pipe 223 can be integrally injection molded into a Y shape; or, as shown in the present embodiment, a three-way connector can be provided, and the liquid inlet pipe 221, the first branch pipe 222 and the second branch pipe 223 can be detachably mounted on the three ports of the three-way connector, so that it can be easily disassembled and replaced, thereby improving the versatility of the waste liquid bag. In this embodiment, the liquid inlet conduit 22 is configured as a three-way structure, having two liquid inlet branch pipes, a first branch pipe 222 and a second branch pipe 223, which are connected to the waste liquid pipe connector of the medical equipment for liquid inlet, which can meet the needs of conventional treatment and is a better solution that takes into account both practicality and cost; of course, on the basis of this solution, based on actual needs, more liquid inlet branch pipes can be added, such as a third branch pipe, a fourth branch pipe, a fifth branch pipe, etc. (not shown in the figure), which, like the first branch pipe 222 and the second branch pipe 223, are connected to the waste liquid pipe connector of the medical equipment for liquid inlet, so as to achieve simultaneous liquid inlet of different waste liquids, thereby further improving the liquid inlet efficiency.

[0032] The waste liquid bag adopts the above structure, and the liquid inlet conduit 22 is set as a three-way structure, and two liquid inlet pipes, the first branch pipe 222 and the second branch pipe 223, are set, which are connected to the waste liquid pipe joint of the medical equipment for liquid inlet, so that simultaneous liquid inlet can be achieved, which can improve the liquid inlet efficiency of the waste liquid bag while taking into account the cost.

[0033] In some embodiments, a switch clamp 224 is provided on each of the first branch pipe 222 and the second branch pipe 223, and the switch clamp 224 can respectively control the opening and closing of the first branch pipe 222 and the second branch pipe 223. Specifically, when the pipeline needs to be used, the switch clamp 224 is opened, the pipeline is in an unobstructed state, and waste liquid can flow in the pipeline; when the pipeline is not needed, the switch clamp 224 is closed, the pipeline is in a closed state, and waste liquid cannot flow in the pipeline.

[0034] The waste liquid bag with the above structure can independently control the on-off of the pipeline by providing switch clamps 224 on the first branch pipe 222 and the second branch pipe 223. According to actual needs, it can be opened when in use and closed when not in use, which is more convenient to use and has better versatility.

[0035] In some embodiments, male Luer connectors and / or female Luer connectors are provided at the liquid inlet ends of the first branch pipe 222 and the second branch pipe 223. Specifically, only a male Luer connector, only a female Luer connector, or both a male Luer connector and a female Luer connector may be provided at the liquid inlet end of the first branch pipe 222, and the male Luer connector and the female Luer connector are adapted to each other; the same applies to the second branch pipe 223, where only a male Luer connector, only a female Luer connector, or both a male Luer connector and a female Luer connector may be provided at its liquid inlet end, and the male Luer connector and the female Luer connector are adapted to each other; preferably, as shown in this embodiment, both a male Luer connector and a female Luer connector are provided at the liquid inlet ends of the first branch pipe 222 and the second branch pipe 223; male Luer connectors and female Luer connectors are very common standardized connection components in medical devices and systems. When connecting a waste liquid bag to a medical device, the male Luer connector and the female Luer connector cooperate with each other to form a tight seal at the connection to prevent liquid leakage.

[0036] For the waste liquid bag with the above structure, by providing male Luer connectors and / or female Luer connectors at the liquid inlet ends of the first branch pipe 222 and the second branch pipe 223, when the waste liquid bag needs to be replaced, it can be quickly and safely connected to an existing medical device through the male Luer connector or the female Luer connector without the need for complex tools or additional accessories, and the operation is convenient and simple; further, when both a male Luer connector and a female Luer connector are provided at the liquid inlet ends of the first branch pipe 222 and the second branch pipe 223, regardless of whether the waste liquid pipe connector of the medical device is a male Luer connector or a female Luer connector, a matching connector can be selected according to the type of the waste liquid pipe connector for mating connection, greatly improving the versatility of the waste liquid bag.

[0037] In some embodiments, the liquid inlet conduit 22 is connected to the first connector 21 on the side wall of the liquid storage bag 1 from the side of the liquid storage bag 1. As in this embodiment, the liquid inlet conduit 22 is connected to the first connector 21 on the side wall of the liquid storage bag 1 from the right side of the liquid storage bag 1. Of course, the liquid inlet conduit 22 can also be connected to the first connector 21 on the side wall of the liquid storage bag 1 from the left side of the liquid storage bag 1, which can be determined according to actual needs.

[0038] For the waste liquid bag with the above structure, by arranging the liquid inlet conduit 22 on the side of the liquid storage bag 1 instead of above the liquid storage bag 1 in the prior art, it can be avoided that the liquid inlet conduit 22 interferes with the medical device, the liquid inlet conduit 22 is bent due to insufficient space between the upper part of the waste liquid bag and the medical device, resulting in the situation that the waste liquid cannot flow into the liquid storage bag normally, and it can better ensure the smooth liquid inlet of the liquid inlet pipeline.

[0039] In some embodiments, the liquid discharge device 3 includes a second connector 31 and a liquid discharge valve 32. The second connector 31 is welded to the side wall of the liquid storage bag 1, and the liquid discharge valve 32 is connected to the liquid storage bag 1 through the second connector 31, so that the waste liquid can flow out of the liquid storage bag 1 through the liquid discharge valve 32. The connection manner between the second connector 31 and the liquid discharge valve 32 can be integrally injection molded or detachably connected. The liquid discharge valve 32 can be a switch valve or a cross valve. When discharging liquid, the valve can be directly turned counterclockwise (or to the left or upward) to open the liquid discharge, and the valve can be turned clockwise (or to the right or downward) to close the liquid discharge. In this embodiment, the position of the second connector 31 is above the lower joint edge of the liquid storage bag 1 and close to the lower joint edge, so that the effect of discharging waste liquid is better.

[0040] For the waste liquid bag with the above structure, by welding the second connector 31 on the side wall of the liquid storage bag 1 and connecting the liquid discharge valve 32 through the second connector 31, directly welding the liquid discharge valve 32 is avoided, the processing difficulty of welding the waste liquid bag can be reduced, the situation of liquid leakage of the waste liquid bag caused by non-fitting welding can be avoided, which is beneficial to improving the anti-leakage performance of the waste liquid bag, and further improving the quality of the waste liquid bag. Further, through the setting of the liquid discharge valve 32, the opening and closing of the liquid discharge can be controlled, the operation is convenient, and it is not easy to get hands dirty, which is clean and hygienic.

[0041] In some embodiments, the hanging device 4 is arranged above the liquid storage bag 1. In this embodiment, it is specifically arranged above the upper joint edge of the liquid storage bag 1. There is a sandwich inside the upper joint edge of the liquid storage bag 1, and a rigid hand-held plate 41 is wrapped in the sandwich. The rigid hand-held plate 41 is heat-sealed in the sandwich. A hanging hole 42 is arranged on the rigid hand-held plate 41, and the hanging hole 42 can be used to suspend the waste liquid bag on a medical device hook. The hanging hole 42 is a fixed through hole 421 fixedly arranged on the rigid hand-held plate 41. The fixed through hole 421 can be one or multiple. For example, in this embodiment, the number of the fixed through holes 421 is four. When the fixed through holes 421 are multiple, the force is more uniform and the suspension is more stable. The rigid hand-held plate 41 is made of rigid materials such as polycarbonate, polypropylene, and polyvinyl chloride. The rigid hand-held plate 41 can be a whole long plate, or multiple short plates that are horizontally aligned with each other and evenly spaced. Specifically, it can be determined according to the position of the hanging hole 42. For example, in this embodiment, it is two symmetrically arranged short plates, and two fixed through holes 421 are arranged on each short plate. Preferably, when the thickness of the rigid hand-held plate 41 is between 2-3 millimeters, the effect is better and it has a high anti-deformation performance.

[0042] For the waste liquid bag adopting the above structure, by arranging a sandwich layer inside the hanging device 4, wrapping a rigid hand-held board 41 in the sandwich layer, and arranging hanging holes 42 on the rigid hand-held board 41, the anti-deformation ability of the hanging device 4 can be improved, and the probability of accidents such as deformation or even fracture of the hanging device 4 after being pulled by force due to the increase in the weight of the waste liquid bag, resulting in the fall of the waste liquid bag and the splashing of waste liquid, can be reduced, and the risk of biological pollution can be reduced.

[0043] In some embodiments, a through groove 43 is further arranged on the rigid hand-held board 41. The through groove 43 is in a long strip-shaped hollow shape. The through groove 43 can be one or multiple. In this embodiment, there are two, specifically one is arranged on each short board.

[0044] For the waste liquid bag adopting the above structure, arranging the through groove 43 can facilitate the fingers to reach in, so as to easily lift the waste liquid bag, making the use of the waste liquid bag more convenient.

[0045] Second Embodiment

[0046] As another implementation manner, the hanging device 4 in the above first embodiment can also adopt the following technical solution:

[0047] As Figure 3 shown, the hanging device 4 is arranged above the liquid storage bag 1. In this embodiment, specifically, it is arranged above the upper joint edge of the liquid storage bag 1. A sandwich layer is arranged inside the upper joint edge of the liquid storage bag 1, and a rigid hand-held board 41 is wrapped in the sandwich layer. The rigid hand-held board 41 is heat-sealed and fixed in the sandwich layer. The rigid hand-held board 41 is made of rigid materials such as polycarbonate, polypropylene, and polyvinyl chloride. The rigid hand-held board 41 can be a whole long board or multiple short boards horizontally aligned with each other. For example, in this embodiment, it is a whole long board. Preferably, when the thickness of the rigid hand-held board 41 is between 2-3 millimeters, the effect is better and it has higher anti-deformation performance. At least two hanging holes 42 are arranged on the rigid hand-held board 41. The hanging holes 42 can be used to suspend the waste liquid bag on a medical device hook. The hanging holes 42 can be at least two movable through holes 422, or can be composed of at least one fixed through hole 421 plus at least one movable through hole 422. In this embodiment, the hanging hole 42 is composed of a fixed through hole 421 in the middle plus four movable through holes 422 on the left and right sides of the fixed through hole 421. The hole positions of the movable through holes 422 and the fixed through hole 421 are at the same height, and the movable through holes 422 can move horizontally to adjust the position.

[0048] For the waste liquid bag with the above structure, by setting at least two suspension holes 42 in the suspension device 4, and at least including the movable through holes 422 that can move horizontally and adjust positions, the distance between the suspension holes 42 is changed to adapt to the hooks on medical devices of different models, which can further improve the versatility of the waste liquid bag.

[0049] In some embodiments, a through groove 43 is further provided on the rigid hand - carrying board 41. The through groove 43 is in a long - strip hollow shape. The through groove 43 can be one or multiple. In this embodiment, there are two, specifically one on the left side and one on the right side of the rigid hand - carrying board 41.

[0050] For the waste liquid bag with the above structure, setting the through groove 43 can facilitate the insertion of fingers for easy lifting of the waste liquid bag, making the use of the waste liquid bag more convenient.

[0051] In some embodiments, at least one hole seat 44 that can slide on the through groove 43 is provided on the through groove 43, and the movable through hole 422 is provided on the hole seat 44. In this embodiment, specifically, grooves adapted to the upper and lower walls of the through groove 43 are respectively provided on the upper and lower parts of the hole seat 44, and the upper and lower walls of the through groove 43 can be clamped into the grooves on the upper and lower parts of the hole seat 44, so that the hole seat 44 can slide left and right along the through groove 43. Of course, the hole seat 44 can also be realized to slide on the through groove 43 in other ways. For example, protrusions are respectively provided on the upper and lower parts of the hole seat 44, and grooves adapted to the protrusions are respectively provided on the upper and lower walls of the through groove 43, so that the hole seat 44 can slide left and right along the through groove 43. Another example is that slide rails are provided above and / or below the through groove 43 on the rigid hand - carrying board 41, and grooves adapted to the slide rails are correspondingly provided on the side of the hole seat 44 close to the through groove 43, so that the hole seat 44 can slide left and right along the through groove 43, etc.

[0052] For the waste liquid bag with the above structure, by setting the slidable hole seat 44 on the through groove 43 and setting the movable through hole 422 on the hole seat 44, moving the hole seat 44 can change the position of the movable through hole 422, thereby changing the distance between the through holes. The operation is simple, convenient and fast. At the same time, the hole seat 44 is directly set on the through groove 43, and the left - right movement of the movable through hole 422 is directly realized by borrowing the through groove 43 without additionally setting a sliding device. The position distribution is more reasonable, which can save the area of the rigid hand - carrying board 41 and reduce costs at the same time.

[0053] In some embodiments, a locking component 441 is further provided on the hole seat 44, and the locking component 441 can fix the hole seat 44 on the through groove 43. In this embodiment, specifically, asFigure 4 , Figure 5 As shown in Figure 5 , a threaded hole is provided on the back of the hole seat 44 and above the movable through hole 422. An appropriate flat-tail screw is provided on the threaded hole. After the medical staff adjusts the position of the hole seat 44 according to the hook spacing of the medical device, the flat-tail screw is manually tightened so that the groove on the upper part of the hole seat 44 clamps the upper wall of the through groove 43, fixing the hole seat 44 at this position. Of course, the threaded hole and the flat-tail screw can also be provided below the movable through hole 422, and the locking member 441 can also be other structures that can fix the hole seat 44 in place, which will not be elaborated here.

[0054] For the waste liquid bag with the above structure, by providing the locking member 441 on the hole seat 44, the hole seat 44 can be fixed, preventing the hole seat 44 from moving during the waste liquid collection process, causing abnormal detection by the weight sensor connected to the hook and resulting in false alarms of the medical device, thus improving the reliability of the waste liquid bag.

[0055] As Figure 6 shown, it is a schematic diagram of the usage state of the waste liquid bag in combination with a blood purification device.

[0056] The above embodiments are only preferred embodiments of the present invention, and do not limit the scope of implementation of the present invention. Any equivalent changes made according to the shape, structure, and principle of the present invention shall be covered within the protection scope of the present invention.

Claims

1. A waste liquid bag, comprising a liquid storage bag (1), a liquid inlet device (2), a liquid discharge device (3) and a suspension device (4), characterized in that: The liquid inlet device (2) comprises a first connector (21) and a liquid inlet conduit (22); the first connector (21) is arranged on a side wall of the liquid storage bag (1); and the liquid inlet conduit (22) is connected to the liquid storage bag (1) via the first connector (21).

2. The waste liquid bag according to claim 1, characterized in that: The liquid inlet conduit (22) is connected from the side of the liquid storage bag (1) to a first connector (21) on the side wall of the liquid storage bag (1).

3. The waste liquid bag according to claim 1, characterized in that: The liquid discharge device (3) comprises a second connector (31) and a liquid discharge valve (32); the second connector (31) is arranged on a side wall of the liquid storage bag (1); and the liquid discharge valve (32) is connected to the liquid storage bag (1) via the second connector (31).

4. The waste liquid bag according to claim 1, characterized in that: The liquid inlet conduit (22) comprises a liquid inlet pipe (221) in a three-way structure, a first branch pipe (222) and a second branch pipe (223); the liquid inlet pipe (221) is connected to the liquid storage bag (1) via the first connector (21); the first branch pipe (222) and the second branch pipe (223) are both provided with switch clamps (224) capable of respectively controlling the opening and closing of the first branch pipe (222) and the second branch pipe (223); the liquid inlet ends of the first branch pipe (222) and the second branch pipe (223) are provided with male Luer connectors and / or female Luer connectors, and the male Luer connectors and the female Luer connectors are compatible with each other.

5. The waste liquid bag according to any one of claims 1 to 4, characterized in that: The suspension device (4) is arranged above the liquid storage bag (1), and an interlayer is arranged inside the suspension device (4), a hard handboard (41) is wrapped in the interlayer, and a suspension hole (42) is arranged on the hard handboard (41).

6. The waste liquid bag according to claim 5, characterized in that: The hard handboard (41) is also provided with a long hollow through groove (43).

7. The waste liquid bag according to claim 5, characterized in that: There are at least two hanging holes (42), specifically a fixed through hole (421) and / or a movable through hole (422); the movable through hole (422) is at the same height as the fixed through hole (421); and the movable through hole (422) can move laterally.

8. The waste liquid bag according to claim 7, characterized in that: The hard handboard (41) is also provided with a long hollow through groove (43), the through groove (43) is provided with at least one hole seat (44) which can slide on the through groove (43), and the movable through hole (422) is provided on the hole seat (44).

9. The waste liquid bag according to claim 8, characterized in that: The upper and lower parts of the hole seat (44) are respectively provided with grooves adapted to the upper and lower walls of the through slot (43), so that the hole seat (44) can slide left and right along the through slot (43).

10. The waste liquid bag according to claim 9, characterized in that: The hole seat (44) is also provided with a locking component (441), and the locking component (441) can fix the hole seat (44) on the through groove (43).

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