Device for preventing residual blood in blood transfusion bag from leaking and blocking

Abstract

The utility model discloses a blocking device for preventing residual blood in a blood transfusion bag from leaking out, which is applied to a blood storage bag, a connecting pipe is arranged at the bottom of the blood storage bag, a detection pipe is arranged at the bottom of the blood storage bag, the blocking device further comprises a blocking assembly, the blocking assembly is used for blocking the connecting pipe, and the blocking assembly comprises a plug and a sealing plate. A sealing piece and a connecting line are arranged on the outer wall of the plug head, the connecting line is used for connecting the blocking assembly with the blood storage bag and a protection piece, and the protection piece is used for protecting the blocking assembly when the blocking assembly is not used. By means of the design of the connecting tube, the blocking assembly and the connecting line, the blood transfusion tube is pulled out of the connecting tube, the plug is inserted into the inserting groove of the connecting tube, under the interaction of the plug and the inserting groove, the sealing ring on the outer wall of the plug is extruded, a gap between the plug and the inserting groove is sealed and filled, and the problem that the blood transfusion tube cannot be blocked due to blood dripping is solved. And the surrounding environment is polluted.

Description

TECHNICAL FIELD

[0001] The utility model relates to blood transfusion bag technical field, especially in a kind of remaining blood leakage blocking device of preventing blood transfusion bag. BACKGROUND

[0002] Blood transfusion bag is used to load blood, for patient in operation, the blood that meets patient's body is supplied to patient's body, and the blood volume of patient is supplemented.

[0003] The bottom of blood transfusion bag is usually provided with connecting pipe and detection pipe, the connecting pipe is used to connect transfusion pipe, the detection pipe is used to detect blood in bag, when patient is transfused, the transfusion pipe is pulled out from the connecting pipe, at this time, the pipe of connecting pipe is in open state, thus the blood remaining in transfusion bag will drop from connecting pipe, to contaminate surrounding environment. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of remaining blood leakage blocking device of preventing blood transfusion bag, to solve the problem raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of remaining blood leakage blocking device of preventing blood transfusion bag, it is applied to storage blood bag, the bottom of the storage blood bag is provided with connecting pipe for outputting blood, the bottom of the storage blood bag is provided with detection pipe for detecting blood, further include:

[0006] Blocking component, the blocking component is used to block connecting pipe, the blocking component includes plug head and sealing plate, the sealing plate is arranged at one end of plug head, the outer wall of plug head is provided with sealing element;

[0007] Connecting line, the connecting line is used to connect blocking component and storage blood bag, the two ends of the connecting line are connected with storage blood bag and sealing plate respectively;

[0008] Protective piece, the protective piece is arranged at the outside of blocking component, and the protective piece is used to protect when blocking component is not used.

[0009] Preferably, the bottom end of the storage blood bag is connected with the top end of the connecting pipe, the bottom of the connecting pipe is provided with transfusion pipe for delivering blood to patient, and the bottom end of the connecting pipe is provided with insertion slot for inserting transfusion pipe or plug head.

[0010] Preferably, the sealing element includes sealing ring, and the sealing ring is fixedly sleeved on the outer wall of the plug head.

[0011] Preferably, one end of the plug head and the sealing plate is fixedly connected, one end of the sealing plate away from the plug head is fixedly connected with one end of the connecting line, and the other end of the connecting line is fixedly connected with the bottom end of the storage blood bag.

[0012] Preferably, the connecting line is arranged at the bottom end of the connecting pipe close to one side of the connecting pipe, and the connecting line is used for preventing the loss of the blocking assembly.

[0013] Preferably, the protection member comprises a protection bag, the blocking assembly is sleeved in the protection bag, one end of the protection bag is provided with a sealing strip for sealing the protection bag, and the other end of the protection bag is provided with a circular hole for inserting the connecting line.

[0014] Preferably, the inner wall of the circular hole is fixedly connected with the outer wall of the connecting line, and one side of the sealing strip is provided with a tearing opening.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] The utility model discloses the design of connecting pipe, blocking assembly and connecting line, when the patient finishes blood transfusion, pulls out the blood transfusion pipe from the inside of connecting pipe, removes the protection bag at the time tearing, exposes the plug head, inserts the plug head into the insertion slot of connecting pipe, and under the interaction of plug head and insertion slot, the sealing ring of plug head outer wall is extruded, thereby the gap between plug head and insertion slot is sealed and filled, to guarantee that the blood remaining in the storage blood bag can not flow out through connecting pipe, solve the problem of surrounding environment pollution due to blood dripping. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is one of the whole three-dimensional structure schematic diagram of the utility model.

[0018] Figure 2 It is two of the whole three-dimensional structure schematic diagram of the utility model.

[0019] Figure 3 It is the blocking assembly three-dimensional structure schematic diagram of the utility model.

[0020] Figure 4 It is the protection member three-dimensional structure schematic diagram of the utility model.

[0021] In the drawing: 1, storage blood bag;2, connecting pipe;3, blood transfusion pipe;4, detection pipe;5, blocking assembly;51, plug head;52, sealing ring;53, sealing plate;6, connecting line;7, protection member;71, protection bag;72, sealing strip;73, tearing opening. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0023] The utility model provides a kind of remaining blood leakage blocking device of anti-blood transfusion bag as Figures 1-4 As shown in a kind of remaining blood leakage blocking device of anti-blood transfusion bag, it is applied to store blood bag 1, the bottom of storage blood bag 1 is provided with the connecting pipe 2 for outputting blood, the bottom of storage blood bag 1 is provided with the detection pipe 4 for detecting blood, further comprising:

[0024] Blocking component 5, blocking component 5 is used to block connecting pipe 2, blocking component 5 includes plug head 51 and sealing plate 53, sealing plate 53 is arranged at one end of plug head 51, and the outer wall of plug head 51 is provided with sealing element;

[0025] Connecting line 6, connecting line 6 is used to connect blocking component 5 and storage blood bag 1, and the two ends of connecting line 6 are connected with storage blood bag 1 and sealing plate 53 respectively;

[0026] Protective piece 7, protective piece 7 is arranged outside blocking component 5, and protective piece 7 is used to protect when blocking component 5 is not used.

[0027] Specifically, the bottom end of storage blood bag 1 is connected with the top end of connecting pipe 2 in penetration, the bottom of connecting pipe 2 is provided with transfusion pipe 3 for transporting blood to patient, and the bottom end of connecting pipe 2 is provided with insertion slot for inserting transfusion pipe 3 or plug head 51.

[0028] Further, storage blood bag 1, connecting pipe 2 and detection pipe 4 constitute existing disposable blood transfusion bag, and transfusion pipe 3 is existing transfusion pipe, when transfusion pipe 3 is inserted into the inside of connecting pipe 2, the blood stored in the inside of storage blood bag 1 can be guided out to supply blood to patient, after the inside of detection pipe 4 is filled with blood, detection pipe 4 is pressed in sections, so that the inside of detection pipe 4 forms multiple sealed lumen, so that the blood in the inside of detection pipe 4 and the blood in the inside of storage blood bag 1 are mutually isolated, and the blood between multiple lumens is also mutually isolated, so that when blood detection is needed, blood in one section of lumen can be extracted, to prevent the secondary opening of blood in the inside of storage blood bag 1, to ensure the safety of blood.

[0029] Specifically, the sealing member includes a sealing ring 52, the sealing ring 52 is fixedly sleeved on the outer wall of the plug head 51, the plug head 51 and the sealing plate 53 are fixedly connected at opposite ends, the end of the sealing plate 53 away from the plug head 51 is fixedly connected with one end of the connecting line 6, the other end of the connecting line 6 is fixedly connected with the bottom end of the storage blood bag 1, the connecting line 6 is arranged at the bottom end of the connecting pipe 2 close to one side of the connecting pipe 2, and the connecting line 6 is used for preventing the loss of the blocking assembly 5.

[0030] Further, the diameter of the plug head 51 is 0.9 times the inner diameter of the insertion groove, the sealing ring 52 is made of rubber material, the outer wall of the sealing ring 52 is rough, the vertical cross section of the sealing ring 52 is a circular ring, the thickness of the sealing ring 52 is 1.3 times the straight line distance between the outer wall of the plug head 51 and the inner wall of the insertion groove, and the sealing ring 52 is arranged at least two, and the plurality of sealing rings 52 are arranged at equal intervals along the straight line direction of the plug head 51. The sealing ring 52 is fixedly connected with the outer wall of the plug head 51 by gluing, the plug head 51 and the sealing plate 53 are integrally cast, the diameter of the sealing plate 53 is 1.2 times the diameter of the connecting pipe 2, when the plug head 51 is inserted into the inside of the connecting pipe 2, the insertion groove and the plug head 51 jointly act on the sealing ring 52 to form extrusion, so that the sealing ring 52 is deformed, and the gap between the plug head 51 and the insertion groove is filled, thereby preventing the residual blood in the storage blood bag 1 from flowing out of the insertion groove of the connecting pipe 2, so as to protect the surrounding environment from being polluted by the blood. At the same time, the rough surface of the outer wall of the sealing ring 52 increases the friction between the insertion groove and the inner wall, so that the plug head 51 can be prevented from sliding out of the connecting pipe 2, and the two ends of the connecting line 6 are fixedly connected with the sealing plate 53 and the storage blood bag 1 respectively by adhesion. The blocking assembly 5 is made of cotton and hemp thread, and the loss of the blocking assembly 5 can be prevented by the connecting line 6, and the use of the blocking assembly 5 is facilitated.

[0031] Specifically, the protection member 7 includes a protection bag 71, the blocking assembly 5 is sleeved in the inside of the protection bag 71, one end of the protection bag 71 is provided with a sealing strip 72 for sealing the protection bag 71, the other end of the protection bag 71 is provided with a circular hole for the connecting line 6 to pass through, the inner wall of the circular hole is fixedly connected with the outer wall of the connecting line 6, and one side of the sealing strip 72 is provided with a tearing opening 73.

[0032] Further, when the blocking assembly 5 is produced, sterilization treatment is performed, and then the protection bag 71 is sleeved outside the blocking assembly 5, the sealing strip 72 is used for sealing the protection bag 71, the sealing of the inside of the protection bag 71 is ensured, the blocking assembly 5 is prevented from being polluted by external bacteria, and the blocking assembly 5 is prevented from being damaged. The circular hole and the connecting line 6 are coated with sealing glue to ensure the sealing performance, the shape of the tearing opening 73 can be V-shaped, U-shaped or any shape convenient for tearing, the sealing strip 72 is further torn through the tearing opening 73, and the protection bag 71 is separated, so that the blocking assembly 5 in the inside of the protection bag 71 is exposed, and the blocking assembly 5 is used.

[0033] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A device for preventing leakage of residual blood from a blood transfusion bag, applied to a storage blood bag (1), wherein a connecting pipe (2) for outputting blood is arranged at the bottom of the storage blood bag (1), and a detection pipe (4) for detecting blood is arranged at the bottom of the storage blood bag (1), characterized in that, Also include: Blocking assembly (5) for plugging the connecting pipe (2), the blocking assembly (5) comprises plug (51) and sealing plate (53), the sealing plate (53) is arranged at one end of plug (51), the outer wall of plug (51) is provided with sealing element; Connecting line (6) for connecting blocking assembly (5) and storage blood bag (1), both ends of connecting line (6) are connected with storage blood bag (1) and sealing plate (53) respectively; Protection (7) is arranged outside blocking assembly (5), the protection (7) is used for protection when blocking assembly (5) is not used.

2. The anti-blood-leakage device according to claim 1, wherein The bottom end of the storage blood bag (1) is connected with the top end of the connecting pipe (2), the bottom of the connecting pipe (2) is provided with transfusion tube (3) for delivering blood to the patient, and the bottom end of the connecting pipe (2) is provided with plug-in slot for inserting transfusion tube (3) or plug (51).

3. The anti-blood-leakage device according to claim 1, wherein The sealing element comprises a sealing ring (52), and the sealing ring (52) is fixedly sleeved on the outer wall of the plug (51).

4. The anti-blood-leakage device according to claim 1, wherein The plug (51) and the sealing plate (53) are fixedly connected at opposite ends, one end of the sealing plate (53) away from the plug (51) is fixedly connected with one end of the connecting line (6), and the other end of the connecting line (6) is fixedly connected with the bottom end of the storage blood bag (1).

5. The anti-blood-leakage device according to claim 4, wherein The connecting line (6) is arranged at the bottom end of the connecting pipe (2) close to one side of the connecting pipe (2), and the connecting line (6) is used for preventing the loss of the blocking assembly (5).

6. The anti-blood-leakage device according to claim 1, wherein The protection (7) comprises a protection bag (71), the blocking assembly (5) is sleeved in the protection bag (71), one end of the protection bag (71) is provided with a sealing strip (72) for sealing the protection bag (71), and the other end of the protection bag (71) is provided with a circular hole for inserting the connecting line (6).

7. A blood leakage blocking device for a blood bag according to claim 6, wherein The inner wall of the circular hole is fixedly connected with the outer wall of the connecting line (6), and one side of the sealing strip (72) is provided with a tearing opening (73).

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