Blood transfusion apparatus assembly

By using threaded interfaces and threaded connectors to connect the blood bag and blood transfusion tube in the transfusion set, the problem of damage to the blood bag caused by improper insertion of the bottle stopper puncture device is solved, thereby improving the safety and reliability of the blood transfusion process.

CN223874202UActive Publication Date: 2026-02-06XIANGTAN COUNTY TRADITIONAL CHINESE MEDICINE HOSPITAL
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Patent Information

Application Number
CN202422839598.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2026-02-06
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

During the use of existing blood transfusion sets, improper insertion angle or force of the stopper puncture device can easily damage the blood bag output head, causing blood leakage and reducing the safety and reliability of the blood transfusion process.

Method used

The blood bag and blood transfusion tube are connected by threaded interfaces and threaded connectors, avoiding direct puncture and achieving a stable connection.

Benefits of technology

The design of threaded interfaces and threaded connectors ensures precise connection between blood bags and transfusion tubes, preventing rupture of the blood bag connector due to improper insertion and improving the safety and reliability of the blood transfusion process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223874202U_ABST
Patent Text Reader

Abstract

The utility model provides a blood transfusion apparatus assembly. The blood transfusion apparatus assembly comprises a blood transfusion bag; the output tube is fixedly connected to the bottom of the blood transfusion bag; the threaded connector is arranged at the bottom of the output pipe; the threaded connector is arranged at the bottom of the threaded connector; the blood transfusion tube is fixedly connected to the bottom of the threaded connector, side lugs are arranged on the two sides of the threaded connector, a connecting tube is arranged on the top of the threaded connector, and a needle head is fixedly connected to the top of the connecting tube. According to the blood transfusion device assembly, the blood transfusion tube and the blood transfusion bag are connected through the threaded connector and the threaded connector, puncturing operation is not needed, the blood transfusion bag and the blood transfusion tube can be connected accurately and stably, the risk that a connector of the blood transfusion bag is broken due to improper puncturing is effectively avoided, and the blood transfusion device assembly is convenient to use. Therefore, the safety and the reliability of the blood transfusion process are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to blood transfusion device technical field especially relates to a blood transfusion device assembly. BACKGROUND

[0002] Intravenous transfusion is often used in clinic to supplement blood volume, improve blood pressure, increase hemoglobin, correct anemia, supplement antibodies, increase body resistance, increase protein, correct hypoproteinemia, supplement various blood clotting factors, improve blood clotting, promote bone marrow system and reticuloendothelial system function; It is often used for the treatment of blood system diseases and operation, the treatment of massive hemorrhage.

[0003] The existing blood transfusion device is generally composed of a bottle plug penetrator, a hose, a blood transfusion device dropper, a blood transfusion tube, a flow regulator and a venous needle, when in use, the bottle plug penetrator is pierced into the output head of the blood transfusion bag, however, in the actual operation process, if the piercing angle or force of the bottle plug penetrator is not properly controlled, the output head of the blood transfusion bag may be damaged, thereby causing blood leakage and reducing the safety and reliability of the blood transfusion process.

[0004] Therefore, it is necessary to provide a blood transfusion device assembly to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a blood transfusion device assembly, solve the bottle plug penetrator's piercing angle or force if the control is improper, easy to appear the output head of blood transfusion bag damage, thereby causing blood leakage, thereby reduce the safety and reliability of the blood transfusion process problem.

[0006] To solve the above technical problems, the utility model provides a blood transfusion device assembly, which comprises:

[0007] A blood transfusion bag;

[0008] An output tube fixedly connected to the bottom of the blood transfusion bag;

[0009] A threaded interface provided at the bottom of the output tube;

[0010] A threaded joint provided at the bottom of the threaded interface;

[0011] A blood transfusion tube fixedly connected to the bottom of the threaded joint.

[0012] Preferably, the threaded joint is provided with side ears on both sides.

[0013] Preferably, the top of the threaded interface is provided with a connecting tube, and the top of the connecting tube is fixedly connected with a needle.

[0014] Preferably, the threaded interface comprises a threaded sleeve, a check ring, an elastic piece, a sealing plate and a sealing ring, the threaded sleeve is fixedly connected to the bottom of the output pipe, the check ring is fixedly installed on the inner side surface of the threaded sleeve, the top of the elastic piece is fixedly installed on the top of the inner side surface of the threaded sleeve, the sealing plate is fixedly installed on the bottom of the elastic piece, and the sealing ring is fixedly installed on the bottom of the check ring.

[0015] Preferably, the threaded joint comprises a connecting head, a threaded ring, a connecting rod and an abutting rod, the connecting head is fixedly connected to the top of the blood transfusion pipe, the threaded ring is fixedly installed on the top of the connecting head, the threaded ring is threadedly connected to the inner side surface of the threaded sleeve, the connecting rod is fixedly installed on the inner side surface of the threaded ring, and the abutting rod is fixedly installed on the top of the connecting rod.

[0016] Preferably, the top of the threaded ring abuts against the bottom of the sealing ring, and the top of the abutting rod abuts against the bottom of the sealing plate.

[0017] Preferably, the sealing plate is arranged on the top of the check ring.

[0018] Compared with the related art, the blood transfusion device assembly has the following beneficial effects:

[0019] The blood transfusion device assembly is connected with the blood transfusion bag and the blood transfusion pipe through the threaded interface and the threaded joint, so that the blood transfusion bag and the blood transfusion pipe can be connected accurately and stably without puncture operation, the risk of breakage of the connecting head of the blood transfusion bag caused by improper puncture is effectively avoided, and the safety and reliability of the blood transfusion process are improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 FIG. 1 is a structural schematic view of a first embodiment of the blood transfusion device assembly provided by the utility model;

[0021] Figure 2 FIG. 2 is a structural schematic view of a second embodiment of the blood transfusion device assembly provided by the utility model;

[0022] Figure 3 FIG. 3 is a structural schematic view of a third embodiment of the blood transfusion device assembly provided by the utility model.

[0023] In the drawings, 1 is a blood transfusion bag, 2 is an output pipe, 3 is a threaded interface, 4 is a threaded joint, 5 is a side ear, 6 is a blood transfusion pipe, 7 is a connecting pipe, 71 is a needle, 31 is a threaded sleeve, 32 is a check ring, 33 is an elastic piece, 34 is a sealing plate, 35 is a sealing ring, 41 is a connecting head, 42 is a threaded ring, 43 is a connecting rod, and 44 is an abutting rod. DETAILED DESCRIPTION

[0024] The utility model is further described below in combination with the drawings and embodiments.

[0025] First embodiment

[0026] Please refer to Figure 1 , wherein, Figure 1 It is a first embodiment structure diagram of blood transfusion device assembly provided by the utility model. A blood transfusion device assembly comprises: blood transfusion bag 1;

[0027] Output pipe 2, the output pipe 2 is fixedly connected to the bottom of blood transfusion bag 1;

[0028] Screw interface 3, the screw interface 3 is arranged at the bottom of output pipe 2;

[0029] Screw joint 4, the screw joint 4 is arranged at the bottom of screw interface 3;

[0030] Blood transfusion tube 6, the blood transfusion tube 6 is fixedly connected to the bottom of screw joint 4.

[0031] Both sides of the screw joint 4 are provided with side ears 5.

[0032] The working principle of the blood transfusion device assembly provided by the utility model is as follows:

[0033] When it is needed to connect blood transfusion bag 1 and blood transfusion tube 6, the screw joint 4 can be directly screwed to the inner side surface of screw interface 3, so as to connect blood transfusion bag 1 and blood transfusion tube 6.

[0034] Compared with the related art, the blood transfusion device assembly provided by the utility model has the following beneficial effects:

[0035] Blood transfusion tube 6 and blood transfusion bag 1 are connected by setting screw interface 3 and screw joint 4, without needing to perform puncture operation, and blood transfusion bag 1 and blood transfusion tube 6 can be accurately and stably connected, the risk of rupture of the connecting head of blood transfusion bag 1 caused by improper puncture is effectively avoided, and the safety and reliability of the blood transfusion process are improved.

[0036] Second embodiment

[0037] Please refer to Figure 2 , based on the first embodiment of the application, the second embodiment of the application provides another blood transfusion device assembly. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.

[0038] Specifically, the second embodiment of the present application provides a blood transfusion device assembly, which is different from the first embodiment in that the top of the threaded interface 3 is provided with a connecting pipe 7, and the top of the connecting pipe 7 is fixedly connected with a needle 71.

[0039] The working principle of the blood transfusion device assembly provided by the present application is as follows:

[0040] When in use, the threaded interface 3 with the needle 71 is screwed onto the threaded connector 4, so that the needle 71 can be inserted into the saline bag, thereby connecting the blood transfusion tube 6 and the saline bag.

[0041] Compared with the related art, the blood transfusion device assembly provided by the present application has the following beneficial effects:

[0042] The threaded interface 3, the threaded connector 4, the connecting pipe 7 and the needle 71 are cooperated with each other, so that the blood transfusion tube 6 and the needle 71 can be conveniently connected when in use, and then connected with the saline bag, thereby increasing the adaptability of the assembly.

[0043] Third embodiment

[0044] Please refer to Figure 3 Based on the first embodiment of the present application, the third embodiment of the present application provides another blood transfusion device assembly. The third embodiment is only a preferred mode of the first embodiment, and the implementation of the third embodiment does not affect the separate implementation of the first embodiment.

[0045] Specifically, the third embodiment of the present application provides a blood transfusion device assembly, which is different from the first embodiment in that the threaded interface 3 comprises a threaded sleeve 31, a retaining ring 32, an elastic member 33, a sealing plate 34 and a sealing ring 35, the threaded sleeve 31 is fixedly connected to the bottom of the output tube 2, the retaining ring 32 is fixedly installed on the inner side of the threaded sleeve 31, the top of the elastic member 33 is fixedly installed on the top of the inner side of the threaded sleeve 31, the sealing plate 34 is fixedly installed on the bottom of the elastic member 33, and the sealing ring 35 is fixedly installed on the bottom of the retaining ring 32.

[0046] The elastic member 33 can always push the sealing plate 34 downward when in use, so that the bottom of the sealing plate 34 is in contact with the top of the retaining ring 32, thereby achieving the sealing effect.

[0047] The threaded joint 4 comprises a connecting head 41, a threaded ring 42, a connecting rod 43 and an abutting rod 44, the connecting head 41 is fixedly connected to the top of the blood transfusion pipe 2, the threaded ring 42 is fixedly installed on the top of the connecting head 41, the threaded ring 42 is threadedly connected to the inner side of the threaded sleeve 31, the connecting rod 43 is fixedly installed on the inner side of the threaded ring 42, and the abutting rod 44 is fixedly installed on the top of the connecting rod 43.

[0048] The top of the threaded ring 42 abuts against the bottom of the sealing ring 35, and the top of the abutting rod 44 abuts against the bottom of the sealing plate 34.

[0049] By abutting the top of the threaded ring 42 against the bottom of the sealing ring 35, the sealing property of the connection between the threaded ring 42 and the threaded sleeve 31 can be improved.

[0050] The sealing plate 34 is arranged on the top of the stop ring 32

[0051] The working principle of the blood transfusion device assembly is as follows:

[0052] When the threaded ring 42 is threadedly connected to the inner side of the threaded sleeve 31, the top of the threaded ring 42 abuts against the bottom of the sealing ring 35, thereby achieving the sealing effect, and the top of the abutting rod 44 abuts against the bottom of the sealing plate 34, so that the bottom of the sealing plate 34 is away from the top of the stop ring 32, and the blood in the blood transfusion bag 1 enters the inner side of the threaded sleeve 3 through the output pipe 2, then enters the inner side of the connecting head 41 through the threaded ring 35, and then enters the inner side of the blood transfusion pipe 6 through the connecting head 41.

[0053] Compared with the related art, the blood transfusion device assembly has the following beneficial effects:

[0054] By abutting the top of the threaded ring 42 against the bottom of the sealing ring 35, the sealing effect can be achieved, and by abutting the top of the abutting rod 44 against the bottom of the sealing plate 34, the sealing plate 34 is pushed, so that the bottom of the sealing plate 34 is away from the top of the stop ring 32, thereby automatically connecting the inside of the connecting head 41 and the inside of the threaded sleeve 31, so that the blood enters the inner side of the connecting head 41 through the threaded sleeve 31, and after the threaded ring 42 is moved out of the inner side of the threaded sleeve 31, the elastic member 33 pushes the sealing plate 34 to abut against the top of the stop ring 32 again, thereby achieving the sealing effect and preventing the blood from flowing out.

[0055] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A blood transfusion set assembly, characterized by, The utility model relates to a blood transfusion bag, which comprises a blood transfusion bag, an output pipe fixedly connected to the bottom of the blood transfusion bag, a threaded interface arranged at the bottom of the output pipe, a threaded joint arranged at the bottom of the threaded interface, and a blood transfusion tube fixedly connected to the bottom of the threaded joint. The threaded interface comprises a threaded sleeve, a check ring, an elastic piece, a sealing plate and a sealing ring. The threaded sleeve is fixedly connected to the bottom of the output pipe. The check ring is fixedly installed on the inner side of the threaded sleeve. The top of the elastic piece is fixedly installed on the top of the inner side of the threaded sleeve. The sealing plate is fixedly installed on the bottom of the elastic piece.

2. A blood transfusion set assembly according to claim 1, wherein The sealing ring is fixedly installed on the bottom of the check ring.

3. A blood transfusion set assembly according to claim 1, wherein The threaded joint comprises a connecting head, a threaded ring, a connecting rod and an abutting rod. The connecting head is fixedly connected to the top of the blood transfusion tube. The threaded ring is fixedly installed on the top of the connecting head. The threaded ring is threadedly connected to the inner side of the threaded sleeve. The connecting rod is fixedly installed on the inner side of the threaded ring. The abutting rod is fixedly installed on the top of the connecting rod. The top of the threaded ring abuts against the bottom of the sealing ring. The top of the abutting rod abuts against the bottom of the sealing plate. The sealing plate is arranged on the top of the check ring. The threaded joint is provided with side ears on both sides. The top of the threaded interface is provided with a connecting pipe. The top of the connecting pipe is fixedly connected with a needle.