Combined blood transfusion apparatus

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a combined blood transfusion apparatus which comprises a connecting pipe, a dropper, a bottle inserting needle, a mounting pipe and a pricking needle and further comprises a Y-shaped pipe and a sleeve, a groove is formed in a connector, a first fixing block is arranged at the top of a pressing rod, a groove matched with the first fixing block is formed in a connecting ring, and a second fixing block is arranged at the top of the pressing rod. The sleeve is slidably mounted on the mounting pipe, the second fixing block is mounted on a groove in the side wall of the mounting pipe, the fixing grooves are formed in the two ends of the inner wall of the sleeve, the sealing plate is mounted at an opening of the sleeve through the second spring, and the moving groove is formed in the sealing plate; by arranging the sleeve slidably installed on the installation pipe, the step that a user disassembles and installs the sleeve is omitted, by arranging the sealing plate provided with the moving groove, the working effect of the sleeve is guaranteed, meanwhile, the sealing plate is prevented from hindering the user from moving the sleeve, and by arranging the spring, it is guaranteed that the sealing plate can rapidly return to the original position after moving.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a combined blood transfusion device. Background Art

[0002] A blood transfusion apparatus is an infusion device that establishes a pathway between blood and veins. Existing blood transfusion apparatuses are modular, and when parts of the blood transfusion apparatus are damaged, users can replace the damaged parts individually, reducing the replacement cost of the device. In order to prevent the needle of the blood transfusion apparatus from injuring the user when the blood transfusion apparatus is in use, a protective shell is provided on the blood transfusion apparatus. However, the existing protective shell and the blood transfusion apparatus are separate structures, which makes it inconvenient for the user to store the protective shell. The user needs to install the protective shell on the blood transfusion apparatus after using the blood transfusion apparatus. The user may be pricked by the needle during the installation of the protective shell, and the installation of the protective shell will also affect the efficiency of the user in storing the blood transfusion apparatus. Utility Model Content

[0003] The utility model provides a combined blood transfusion device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined blood transfusion device, comprising a connecting tube, a dropper, a bottle insertion needle, a mounting tube and a puncture needle, and also comprising a Y-shaped tube and a sleeve, the two ends of the connecting tube are mounted with the dropper and the mounting tube, the dropper is threadedly mounted with the Y-shaped tube, the other two ends of the Y-shaped tube are provided with connecting heads, the bottom surface of the bottle insertion needle is provided with a connecting ring, the top surface of the connecting head is provided with a groove matched with the connecting ring, a pressure rod is mounted on the connecting head through a spring, the top of the pressure rod is provided with a fixing block 1 that penetrates the groove on the top surface of the connecting head, the side wall of the connecting ring is provided with a groove matched with the fixing block 1, and the puncture needle is mounted on the mounting tube;

[0005] The sleeve includes a sealing plate, a second spring, a movable groove, a fixed groove and a second fixed block. The sleeve is slidably mounted on the mounting tube. The second fixed block is mounted on the side wall groove of the mounting tube via the second spring. The two ends of the inner wall of the sleeve are provided with the fixed grooves matching with the second fixed block. The sealing plate is mounted at the opening of the sleeve via several second springs. The sealing plate is provided with the movable groove matching with the needle.

[0006] Preferably, a support rod is provided on the groove in which the sleeve is mounted on the sealing plate, a groove cooperating with the support rod is provided on the side wall of the sealing plate, and the second spring arranged on the sealing plate is located on the outside of the support rod.

[0007] Preferably, a protrusion is provided on the side wall of the sealing plate, a groove matching with the protrusion on the side wall of the sealing plate is provided on the side wall of the groove in which the sealing plate is installed, a protrusion is provided on the side wall of the opening of the groove in which the sealing plate passes through the sleeve, and a groove matching with the protrusion on the side wall of the groove in which the sleeve is passed through by the sealing plate is provided on the side wall of the sealing plate.

[0008] Preferably, a rubber pad is provided on the side wall of the groove in which the sleeve is mounted on the sealing plate.

[0009] Preferably, a support rod is provided on the side wall of the fixing block 2, a groove matching with the support rod of the fixing block 2 is provided on the groove of the mounting tube for mounting the fixing block 2, and the spring 2 arranged on the fixing block 2 is located on the outside of the fixing block 2.

[0010] Preferably, the inner wall of the sleeve is provided with symmetrical protrusions, and the side wall of the mounting tube is provided with grooves that cooperate with the protrusions on the inner wall of the sleeve.

[0011] Preferably, a sealing gasket is provided on the side wall of the connector.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model eliminates the need for users to remove and install the sleeve by providing a sleeve that is slidably installed on the mounting tube, thereby improving the use efficiency of the device; by providing a sealing plate with a movable groove, the working effect of the sleeve is ensured while preventing the sealing plate from hindering the user from moving the sleeve; by providing a second fixing block and a fixing groove, the stability of the sleeve during use of the device and when the device is idle is ensured; by providing a spring, it is ensured that the sealing plate can quickly return to its original position after moving, thereby ensuring the working effect of the sealing plate; by providing a first fixing block, the stability of the bottle insertion needle after being installed on the Y-tube is ensured; the groove that cooperates with the first fixing block is located inside the connecting ring, which is convenient for the user to disassemble the bottle insertion needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the installation location of the Y-shaped tube in the utility model;

[0016] Figure 3 It is a structural schematic diagram of the installation location of the bottle insertion needle in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the sleeve in the utility model;

[0018] Figure 5 This is a structural schematic diagram of the sealing plate installation location in the utility model;

[0019] Figure 6 for Figure 4 Schematic diagram of the structure at A in the middle.

[0020] In the figure: 1, connecting tube 2, dropper 3, Y-shaped tube 31, connector 32, pressure rod 33, spring 1 34, fixed block 1 4, bottle insertion needle 41, connecting ring 5, mounting tube 6, sleeve 61, sealing plate 62, spring 2 63, movable groove 64, fixed groove 65, fixed block 2 7, puncture needle. DETAILED DESCRIPTION

[0021] See also Figure 1-6 The utility model provides the following technical solutions: a combined blood transfusion device, comprising a connecting tube 1, a dropper 2, a bottle needle 4, a mounting tube 5 and a puncture needle 7, and also comprising a Y-shaped tube 3 and a sleeve 6, the two ends of the connecting tube 1 are equipped with a dropper 2 and a mounting tube 5, the dropper 2 is threadedly mounted with a Y-shaped tube 3, the other two ends of the Y-shaped tube 3 are provided with a connecting head 31, a connecting ring 41 is provided on the bottom surface of the bottle needle 4, a groove matching with the connecting ring 41 is provided on the top surface of the connecting head 31, a pressure rod 32 is installed on the connecting head 31 through a spring 33, a fixing block 34 penetrating the top surface groove of the connecting head 31 is provided on the top of the pressure rod 32, a groove matching with the fixing block 34 is provided on the side wall of the connecting ring 41, and a puncture needle 7 is installed on the mounting tube 5;

[0022] The sleeve 6 includes a sealing plate 61, a second spring 62, a movable groove 63, a fixed groove 64 and a second fixed block 65. The sleeve 6 is slidably installed on the mounting tube 5. The second fixed block 65 is installed on the side wall groove of the mounting tube 5 through the second spring 62. The two ends of the inner wall of the sleeve 6 are provided with fixed grooves 64 that cooperate with the second fixed block 65. The opening of the sleeve 6 is installed with a sealing plate 61 through several second springs 62. The sealing plate 61 is provided with a movable groove 63 that cooperates with the needle 7.

[0023] The connecting tube 1 can transport the liquid to the mounting tube 5. The connecting tube 1 is provided with an adjusting mechanism, which is convenient for the user to adjust the flow rate of the liquid. The liquid entering the mounting tube 5 will be input into the recipient through the puncture needle 7. Different solutions can be simultaneously drawn into the dropper 2 through the Y-tube 3. The bottle needle 4 can connect the Y-tube 3 and the container containing the liquid. The bottle needle 4 is fixed on the connecting head 31 through the side wall groove of the connecting ring 41 and the cooperation of the fixing block 34, which ensures the stability of the bottle needle 4 after being installed on the connecting head 31. The fixing block 34 is installed on the pressure rod 32. When the user moves the pressure rod 32, the fixing block 34 is moved with it, and the cooperation between the fixing block 34 and the side wall groove of the connecting ring 41 is released, which is convenient for the user to remove the bottle needle 4 from the connecting head 31. The rod 32 is provided with a spring 33, which ensures that the pressure rod 32 and the fixing block 34 can quickly return to their original positions after being moved, thereby ensuring the fixing effect of the fixing block 34. The groove in which the connecting ring 41 and the fixing block 34 cooperate is located on the inner wall of the connecting ring 41. When the user pushes the pressure rod 32 toward the inside of the connecting head 31, the fixing block 34 can be released from the fixing of the connecting ring 41 by the fixing block 34, which is convenient for the user to release the fixing of the connecting ring 41 by the fixing block 34. The top surface of the part of the fixing block 34 located inside the groove of the connecting head 31 is an inclined surface, which ensures that when the user installs the bottle insertion needle 4 on the connecting head 31, the connecting ring 41 can push the fixing block 34, which is convenient for the user to install the bottle insertion needle 4 on the connecting head 31, thereby improving the efficiency of the user in installing the bottle insertion needle 4.

[0024] The sleeve 6 can cover the needle 7 to prevent the needle 7 from hurting the user. The sealing plate 61 can seal the opening of the sleeve 6 to ensure the protective effect of the sleeve 6. The position of the movable groove 63 ensures that when the sealing plate 61 is in a stationary state, the movable groove 63 is located inside the sleeve 6 to ensure the working effect of the sealing plate 61. The shape of the movable groove 63 ensures that the needle 7 can pass through the movable groove 63. The user can adjust the position of the movable groove 63 by moving the sealing plate 61 to prevent the sealing plate 61 from hindering the user from moving the sleeve 6. The position of the movable groove 63 ensures that when the sealing plate 61 moves to the extreme position, the movable groove 63 moves to a position overlapping with the needle 7, which is convenient for the user to move the sleeve 6. During the movement of the sleeve 6, the needle 7 passes through the movable groove 63, and the sealing plate 61 can be fixed by the cooperation of the needle 7 and the side wall of the movable groove 63. , which ensures the stability of the sealing plate 61 when the device is in use. After the blood transfusion is completed, the user pushes the sleeve 6 outward, and the needle 7 leaves the movable groove 63. Several springs 2 62 are provided on the sealing plate 61 to ensure that the sealing plate 61 can quickly return to its original position after the needle 7 leaves the movable groove 63, thereby ensuring the working effect of the sealing plate 61 and eliminating the step of the user manually sealing the needle 7 to avoid injury to the user. The sleeve 6 is fixed by the cooperation of the fixing groove 64 and the fixing block 2 65, thereby ensuring the stability of the sleeve 6. The position of the fixing groove 64 ensures the stability of the sleeve 6 when the device is idle and during use. The shape of the fixing block 2 65 ensures that the user will not be hindered in the process of moving the sleeve 6. The spring 2 62 ensures that the fixed block 2 65 after movement can quickly return to its original position, thereby ensuring the working effect of the fixed block 2 65.

[0025] Specifically, a support rod is provided on the groove of the sleeve 6 for mounting the sealing plate 61, a groove matching with the support rod is provided on the side wall of the sealing plate 61, and a spring 2 62 provided on the sealing plate 61 is located outside the support rod.

[0026] The cooperation between the support rods arranged on the groove where the sealing plate 61 is installed and the side wall grooves of the sealing plate 61 ensures the stability of the sealing plate 61 during movement. The position of the spring 2 62 arranged on the sealing plate 61 can prevent the spring 2 62 from shifting during the compression process, thereby affecting the stability of the spring 2 62 and affecting the working effect of the spring 2 62.

[0027] Specifically, a protrusion is provided on the side wall of the sealing plate 61, a groove is provided on the side wall of the groove for installing the sealing plate 61 to cooperate with the protrusion on the side wall of the sealing plate 61, a protrusion is provided on the side wall of the opening of the groove through which the sealing plate 61 passes through the sleeve 6, and a groove is provided on the side wall of the sealing plate 61 to cooperate with the protrusion on the side wall of the groove through which the sleeve 6 is passed through by the sealing plate 61.

[0028] The cooperation between the side wall protrusions of the sealing plate 61 and the side wall grooves of the groove for installing the sealing plate 61 ensures the stability of the sealing plate 61 during movement and the sealing effect of the sealing plate 61. The cooperation between the side wall protrusions of the groove of the sleeve 6 penetrated by the sealing plate 61 and the side wall grooves of the sealing plate 61 plays a sealing role, ensuring the sealing of the sleeve 6 and the stability of the sealing plate 61 during movement. The cooperation between the side wall grooves and protrusions of the groove for installing the sealing plate 61 and the side wall protrusions and side wall grooves of the sealing plate 61 can prevent the sealing plate 61 from being separated from the groove for installing the sealing plate 61, which would affect the working effect of the sealing plate 61.

[0029] Specifically, a rubber pad is provided on the side wall of the groove of the sleeve 6 mounting the sealing plate 61 .

[0030] The rubber pad can seal the gap between the sealing plate 61 and the groove of the sleeve 6 where the sealing plate 61 is installed, thereby improving the sealing ability of the sealing plate 61 and ensuring the sealing effect of the sealing plate 61 on the sleeve 6.

[0031] Specifically, a support rod is provided on the side wall of the second fixing block 65 , a groove matching with the support rod of the second fixing block 65 is provided on the groove of the mounting tube 5 for mounting the second fixing block 65 , and the second spring 62 provided on the second fixing block 65 is located outside the second fixing block 65 .

[0032] The cooperation between the side wall support rod of the fixing block 65 and the side wall groove of the groove for installing the fixing block 65 ensures the stability of the fixing block 65 during the movement. The installation position of the spring 62 can prevent the spring 62 from deviating during the compression process of the fixing block 65, resulting in the stability of the spring 62 being affected, thereby affecting the working effect of the spring 62 set on the fixing block 65.

[0033] Specifically, the inner wall of the sleeve 6 is provided with symmetrical protrusions, and the side wall of the mounting tube 5 is provided with grooves that match the protrusions on the inner wall of the sleeve 6 .

[0034] The cooperation between the inner wall protrusion of the sleeve 6 and the side wall groove of the mounting tube 5 plays a guiding role, ensuring the stability of the sleeve 6 during movement. The cooperation between the inner wall protrusion of the sleeve 6 and the side wall groove of the mounting tube 5 also plays a limiting role, preventing the sleeve 6 from rotating during movement, which causes the user to be unable to smoothly send the fixing block 2 65 into the fixing groove 64, resulting in the sleeve 6 being unable to be fixed during the use of the device, thereby affecting the stability of the sleeve 6 during the use of the device.

[0035] Specifically, a sealing gasket is provided on the side wall of the connector 31 .

[0036] The sealing gasket arranged on the side wall of the connector 31 increases the friction between the connector 31 and the connecting ring 41, ensuring the stability of the bottle insertion needle 4 after being installed on the connector 31. The rubber pad arranged on the connector 31 also improves the sealing performance of the bottle insertion needle 4 after being installed on the connector 31.

[0037] The working principle and use process of the utility model are as follows: the Y-shaped tube 3 is installed on the dropper 2 through the thread, and the bottle insertion needle 4 is installed on the connecting head 31 through the cooperation of the connecting ring 41 and the top surface groove of the connecting head 31. During the process of the connecting ring 41 entering the top surface groove of the connecting head 31, the connecting ring 41 pushes the fixing block 34. As the connecting ring 41 moves, the fixing block 34 enters the inside of the side wall groove of the connecting ring 41 under the action of the spring 33, and the bottle insertion needle 4 is fixed. The sealing plate 61 is pressed, and the sealing plate 61 starts to move. The moving groove 63 moves to a position overlapping with the puncture needle 7, and the moving sleeve 6 is pushed during the movement of the sleeve 6. The fixed block 2 65 moves. As the sleeve 6 moves, the fixed block 2 65 enters the fixed groove 64 at the other end under the action of the spring 2 62, and the sleeve 6 is fixed. At this time, the sealing plate 61 is fixed by the cooperation of the puncture needle 7 and the side wall of the movable groove 63. After the blood transfusion is completed, the sleeve 6 is pushed in the reverse direction. When the puncture needle 7 leaves the movable groove 63, the sealing plate 61 returns to its original position under the action of the spring 2 62, and the sleeve 6 is closed. When replacing the bottle insertion needle 4, the pressure rod 32 is pressed. The fixed block 1 34 leaves the side wall groove of the connecting ring 41 under the action of the pressure rod 32, and the fixing of the fixed block 1 34 to the bottle insertion needle 4 is released, and the bottle insertion needle 4 is removed from the connector 31.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A combined blood transfusion device, comprising a connecting tube (1), a dropper (2), a bottle insertion needle (4), a mounting tube (5) and a puncture needle (7), characterized in that: It also includes a Y-shaped tube (3) and a sleeve (6), the two ends of the connecting tube (1) are equipped with the dropper (2) and the mounting tube (5), the Y-shaped tube (3) is installed on the dropper (2) by means of threads, the other two ends of the Y-shaped tube (3) are provided with connecting heads (31), the bottom surface of the bottle insertion needle (4) is provided with a connecting ring (41), the top surface of the connecting head (31) is provided with a groove that matches the connecting ring (41), a pressure rod (32) is installed on the connecting head (31) through a spring (33), the top of the pressure rod (32) is provided with a fixing block (34) that passes through the top surface groove of the connecting head (31), the side wall of the connecting ring (41) is provided with a groove that matches the fixing block (34), and the mounting tube (5) is equipped with the puncture needle (7); The sleeve (6) comprises a sealing plate (61), a second spring (62), a movable groove (63), a fixed groove (64) and a second fixed block (65); the sleeve (6) is slidably mounted on the mounting tube (5); the second fixed block (65) is mounted on the side wall groove of the mounting tube (5) via the second spring (62); the two ends of the inner wall of the sleeve (6) are provided with the fixed grooves (64) matching with the second fixed block (65); the sealing plate (61) is mounted at the opening of the sleeve (6) via a plurality of the second springs (62); the sealing plate (61) is provided with the movable groove (63) matching with the needle (7).

2. A combined blood transfusion device according to claim 1, characterized in that: A support rod is provided on the groove of the sleeve (6) for mounting the sealing plate (61), a groove matching the support rod is provided on the side wall of the sealing plate (61), and the second spring (62) arranged on the sealing plate (61) is located outside the support rod.

3. A combined blood transfusion device according to claim 1, characterized in that: The sealing plate (61) has a protrusion on its side wall, and the side wall of the groove in which the sealing plate (61) is installed has a groove that matches the protrusion on the side wall of the sealing plate (61). The sealing plate (61) has a protrusion on the side wall of the opening of the groove through which the sleeve (6) is penetrated, and the side wall of the sealing plate (61) has a groove that matches the protrusion on the side wall of the groove through which the sleeve (6) is penetrated by the sealing plate (61).

4. A combined blood transfusion device according to claim 1, characterized in that: A rubber pad is provided on the side wall of the groove in which the sleeve (6) is mounted on the sealing plate (61).

5. The combined blood transfusion device according to claim 1, characterized in that: A support rod is provided on the side wall of the second fixing block (65), and a groove for matching with the support rod of the second fixing block (65) is provided on the groove of the mounting tube (5) for mounting the second fixing block (65), and the second spring (62) provided on the second fixing block (65) is located on the outside of the second fixing block (65).

6. A combined blood transfusion device according to claim 1, characterized in that: The inner wall of the sleeve (6) is provided with symmetrical protrusions, and the side wall of the mounting tube (5) is provided with grooves that match the protrusions on the inner wall of the sleeve (6).

7. The combined blood transfusion device according to claim 1, characterized in that: A sealing gasket is provided on the side wall of the connector (31).

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