CN218923405U

CN218923405U - Blood transfusion device

Info

Publication number: CN218923405U
Application number: CN202221565294.9U
Authority: CN
Inventors: 郑晶晶
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-04-28
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a blood transfusion device, which relates to the technical field of medical instruments and comprises a blood transfusion tube main body, a y-shaped tube, a dropper, a speed regulating block, a ventilation block and a needle head, wherein the y-shaped tube is fixedly arranged at one end of the blood transfusion tube main body, an inserting head is fixedly arranged at the top of the y-shaped tube, and an auxiliary joint is arranged on the side face of the y-shaped tube. According to the utility model, when the pushing ring block is forced to move, the rubber pressing block is matched with the extrusion column to press on the rubber pressing block, so that the rubber pressing block is pressed on the outer side of the blood transfusion tube main body, the elastic force compressed by the elastic pressing column is utilized to buffer acting force, so that the function of unloading force is achieved, then the rubber pressing block and the rubber ring are mutually matched, and the flexibility is utilized to further consume acting force, so that the functions of buffering and protecting are further realized, the problem that the protective performance of the blood transfusion device is lower and the speed regulator is easy to damage is solved, the device is beneficial to increasing the protective function, and the service life of the blood transfusion device is prolonged.

Description

Blood transfusion device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a blood transfusion device.

Background

Transfusion is usually an adjuvant therapy, and patients requiring transfusion generally need to undergo transfusion before and after transfusion. At present, there are improved apparatuses for blood transfusion and infusion in the market, which basically connect a infusion tube at the upper end of a filter of a blood transfusion apparatus through a tee joint, so as to realize the switching between blood transfusion and infusion without repeated puncture, thereby relieving the pain of patients and simplifying the operation. The following problems exist in the prior art:

1. the protective performance of the blood transfusion device is low, and the speed regulator is easy to damage, so that the normal use of the blood transfusion device is affected, and the practicability of the blood transfusion device is reduced;

2. poor fixation of blood transfusion device, easy falling of partial parts, and thus the normal blood transfusion device can not be used.

Disclosure of Invention

The present utility model provides a blood transfusion apparatus to solve the above-mentioned problems set forth in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a blood transfusion ware, includes blood transfusion tube main part, y type pipe, burette, speed regulating block, air changing block and syringe needle, the one end fixed mounting of blood transfusion tube main part has y type pipe, the top fixed mounting of y type pipe has the bayonet joint, the side of y type pipe is provided with auxiliary joint, the outside movable mounting of bayonet joint and auxiliary joint has the clamping, the bottom of y type pipe is provided with the burette, the other end of blood transfusion tube main part is provided with the syringe needle, the top of syringe needle is provided with the check valve, the top of check valve is provided with the air changing block, the top of air changing block is provided with the speed regulating block, the both sides movable mounting of speed regulating block is passed the piece.

The top of the pushing block is fixedly connected with a pushing ring block, and an elastic pull rope is fixedly arranged in the pushing ring block.

One side of the air exchange block is fixedly provided with an air permeable branch pipe, one end of the air exchange block is fixedly provided with a filter screen, and the other end of the air exchange block is provided with a pipe plug.

The technical scheme of the utility model is further improved as follows: the inside of speed governing piece has seted up the spout, the inside movable mounting of spout has the sliding block, the outside fixed connection of sliding block is in the one end of pushing the piece.

The technical scheme of the utility model is further improved as follows: the inner side of the pushing ring block is fixedly provided with a squeezing column, and the outer side of the squeezing column is fixedly sleeved with a spring column.

The technical scheme of the utility model is further improved as follows: the other end fixedly connected with rubber briquetting of spring post, the inside fixed mounting of rubber briquetting has the rubber circle, the inboard fixed mounting of rubber briquetting is in the outside of blood transfusion main part.

The technical scheme of the utility model is further improved as follows: the top of the air exchange block is provided with a lower pressing block, and the bottom of the lower pressing block is fixedly provided with a lower pressing plate.

The technical scheme of the utility model is further improved as follows: the bottom of the lower pressing plate is fixedly provided with a lower pressing rod, the side surface of the lower pressing rod is fixedly provided with a movable plate, and the other side of the movable plate is fixedly arranged on one side of the filter screen.

The technical scheme of the utility model is further improved as follows: the inside fixed mounting of block of taking a breath has sealed pad, the bottom fixedly connected with reinforcing rod of block of taking a breath, reinforcing block has been cup jointed to the bottom fixed of reinforcing rod, the inboard of reinforcing block sets up in the outside of blood transfusion tube main part.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides a blood transfusion device, when a pushing ring block is forced to move, the rubber pressing block is matched with a pressing column to press on a rubber pressing block, so that the rubber pressing block is pressed on the outer side of a blood transfusion tube main body, the elastic force compressed by the pressing column is utilized to buffer acting force, the function of unloading force is achieved, then the rubber pressing block and a rubber ring are matched with each other, and the flexibility is utilized to further consume acting force, so that the function of buffering protection is increased while extrusion is achieved, the problem that the blood transfusion device is low in protective performance and easy to damage a speed regulator is solved, the device is beneficial to increasing the protective function, and the service life of the blood transfusion device is prolonged.

2. The utility model provides a blood transfusion device, wherein bubbles are easy to generate in the blood transfusion device when a needle is inserted, so that the blood transfusion efficiency of the device is affected, when bubbles are generated in the needle, a lower pressing block is pressed, the lower pressing block drives a lower pressing plate to move downwards, a moving plate is driven to move downwards while the lower pressing plate moves, the lower pressing rod is used for moving the bubbles to drive the bubbles to move, then a pipe plug is pulled out, so that an air pressure difference is formed between an air permeable branch pipe and a blood transfusion main body, the bubbles move to a filter screen, the air exhausting function of the device is achieved, the air exhausting function of the device is increased, the convenient blood transfusion of the device is facilitated, in addition, the function of fixed connection is utilized, the function of fixed connection of a ventilation block is improved by a reinforcing rod, the device is convenient to increase connectivity, the problem that parts fall off easily is solved, the device is facilitated, and the safety performance of the device is improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of a speed regulation block structure of the present utility model.

FIG. 3 is a schematic view of the push ring block of the present utility model.

Fig. 4 is a schematic structural diagram of a ventilation block according to the present utility model.

Fig. 5 is a schematic view of the structure of the reinforcing rod according to the present utility model.

In the figure: 1. a blood transfusion tube main body; 2. a y-tube; 21. a plug; 211. a clip; 22. an auxiliary joint; 3. a dropper; 4. a speed regulating block; 41. a chute; 42. a sliding block; 43. a pushing block; 44. pushing the ring block; 441. an elastic pull rope; 442. an extrusion column; 443. a spring column; 444. a rubber ring; 445. a rubber briquetting; 5. a ventilation block; 51. pressing the block; 52. a lower pressing plate; 53. a moving plate; 54. a ventilation branch pipe; 541. a pipe plug; 542. a filter screen; 55. a sealing gasket; 551. a reinforcing rod; 552. a reinforcing block; 6. a needle; 61. a non-return valve.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1 to 5, the utility model provides a blood transfusion apparatus, which comprises a blood transfusion tube main body 1, a y-shaped tube 2, a dropper 3, a speed regulation block 4, a ventilation block 5 and a needle 6, wherein the y-shaped tube 2 is fixedly installed at one end of the blood transfusion tube main body 1, an inserting joint 21 is fixedly installed at the top of the y-shaped tube 2, an auxiliary joint 22 is arranged at the side surface of the y-shaped tube 2, clamping clips 211 are movably installed at the outer sides of the inserting joint 21 and the auxiliary joint 22, the dropper 3 is arranged at the bottom of the y-shaped tube 2, the needle 6 is arranged at the other end of the blood transfusion tube main body 1, a check valve 61 is arranged at the top of the needle 6, the ventilation block 5 is arranged at the top of the ventilation block 5, the speed regulation block 4 is movably installed at two sides of the speed regulation block 4, a pushing ring block 44 is fixedly connected to the top of the pushing block 43, an elastic pull rope 441 is fixedly installed inside the pushing ring block 44, a sliding groove 41 is formed inside the speed regulation block 4, a sliding block 42 is movably installed inside the sliding groove 41, and the sliding block 42 is fixedly connected to one end of the pushing block 43.

In this embodiment, through the one end grafting of bayonet joint 21 on the blood bag, carry out transmission liquid by blood transfusion tube main part 1, carry out the wash pipe infusion by Y type pipe 2 again, two joints of cooperation Y type all set up the clamping that opens or close, it just can direct blood transfusion to open another clamping again to open the clamping of direct clamp one end when the wash pipe is finished, increase the convenience of equipment, then promote pushing block 43 again, make pushing block 43 carry push ring piece 44 and slide along spout 41, when utilizing spout inclination, when pushing ring piece 44 removes, move inwards, the space of inboard extrusion becomes smaller gradually simultaneously, reach the function of extrusion blood transfusion tube main part 1, the convenience of convenient regulation blood transfusion tube main part 1 of device increases the convenience of device, finally flow into patient through syringe needle 6, after the infusion is finished, the leakproofness of cooperation check valve 61 again, prevent that there is the blood to flow out and pollute the hand after the needle is pulled out, influence the practicality of equipment.

Example 2

As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inner side of the pushing ring block 44 is fixedly provided with a pushing column 442, the outer side of the pushing column 442 is fixedly sleeved with a pushing column 443, the other end of the pushing column 443 is fixedly connected with a rubber pressing block 445, the inner side of the rubber pressing block 445 is fixedly provided with a rubber ring 444, and the inner side of the rubber pressing block 445 is fixedly provided with the outer side of the blood conveying tube main body 1.

In this embodiment, when the pushing ring block 44 is forced to move, the matching extrusion column 442 presses on the rubber pressing block 445, so that the rubber pressing block 445 presses on the outer side of the blood transfusion tube main body 1, the elastic force compressed by the elastic pressing column 443 is utilized to buffer acting force, so that the function of unloading force is achieved, then the rubber pressing block 445 and the rubber ring 444 are matched with each other, the flexibility is utilized, acting force is further consumed, and therefore, the functions of buffering protection are added while the extrusion is achieved, and the device is beneficial to increasing the protection function.

Example 3

As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, one side of the ventilation block 5 is fixedly provided with a ventilation branch pipe 54, one end of the ventilation block 5 is fixedly provided with a filter screen 542, the other end of the ventilation block 5 is provided with a pipe plug 541, the top of the ventilation block 5 is provided with a lower pressing block 51, the bottom of the lower pressing block 51 is fixedly provided with a lower pressing plate 52, the bottom of the lower pressing plate 52 is fixedly provided with a lower pressing rod, the side surface of the lower pressing rod is fixedly provided with a movable plate 53, the other side of the movable plate 53 is fixedly provided with one side of the filter screen 542, the inner side of the ventilation block 5 is fixedly provided with a sealing gasket 55, the bottom of the ventilation block 5 is fixedly connected with a reinforcing rod 551, the bottom of the reinforcing rod 551 is fixedly sleeved with a reinforcing block 552, and the inner side of the reinforcing block 552 is arranged on the outer side of the blood transfusion tube main body 1.

In this embodiment, when pegging graft through syringe needle 6, inside produces the bubble easily, thereby influence the efficiency of device blood transfusion, when inside bubble that produces of syringe needle 6, press down briquetting 51, make lower briquetting 51 drive holding down plate 52 and move down, drive movable plate 53 and move down when holding down plate 52 removes, utilize the depression bar to remove and drive the bubble and remove, then pull out tube plug 541, make ventilative branch 54 and blood transfusion tube main part 1 form the air pressure difference, the bubble removes to filter screen 542, reach the exhaust function, increase the exhaust function of device, make things convenient for the blood transfusion of device, in addition through the cooperation of stiffener 551 and reinforcement piece 552, utilize fixed connection's function, make reinforcement piece 552 improve the function of the fixed connection of air changing piece 5, make things convenient for the device to increase the connectivity.

The working principle of the blood transfusion apparatus will be described in detail.

As shown in fig. 1-5, one end of the connector 21 is inserted on a blood bag, the blood transfusion tube main body 1 is used for transferring liquid, the y-shaped tube 2 is used for inserting another liquid, mixed transfusion is carried out, then the pushing block 43 is pushed, the pushing block 43 is driven to slide along the sliding groove 41, when the sliding groove inclination angle is utilized, the pushing block 44 is moved inwards, simultaneously the inner extruded space is gradually reduced, the function of extruding the blood transfusion tube main body 1 is achieved, the convenient adjustment of the flow velocity of the blood transfusion tube main body 1 is facilitated, bubbles are easily generated in the needle 6 during insertion, the efficiency of transfusion is affected, when the bubbles are generated in the needle 6, the pressing block 51 is pressed, the pressing block 51 drives the pressing block 52 to move downwards, the moving plate 53 is driven to move downwards while the pressing block 52 is driven to move by the pressing block, then the tube plug 541 is pulled out, the ventilation branch tube 54 and the blood transfusion tube main body 1 form a pressure difference, the bubbles move to 542, the function of exhausting is achieved, the exhausting function of the device is increased, the convenient device is reinforced, the reinforcing device is convenient, the reinforcing function of the blood transfusion is improved, and the fixing function is achieved by the reinforcing block 552, and the fixing function is realized by the fixing and the connecting function of the block 552.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. Blood transfusion ware, including blood transfusion main part (1), y type pipe (2), burette (3), speed governing piece (4), take a breath piece (5) and syringe needle (6), the one end fixed mounting of blood transfusion main part (1) has y type pipe (2), the top fixed mounting of y type pipe (2) has bayonet joint (21), the side of y type pipe (2) is provided with auxiliary joint (22), the outside movable mounting of bayonet joint (21) and auxiliary joint (22) has clamping (211), the bottom of y type pipe (2) is provided with burette (3), the other end of blood transfusion main part (1) is provided with syringe needle (6), the top of syringe needle (6) is provided with check valve (61), the top of check valve (61) is provided with and trades gas piece (5), the top of taking a breath piece (5) is provided with speed governing piece (4), its characterized in that: the two sides of the speed regulating block (4) are movably provided with pushing blocks (43);

the top of the pushing block (43) is fixedly connected with a pushing ring block (44), and an elastic pull rope (441) is fixedly arranged in the pushing ring block (44);

one side of the ventilation block (5) is fixedly provided with a ventilation branch pipe (54), one end of the ventilation block (5) is fixedly provided with a filter screen (542), and the other end of the ventilation block (5) is provided with a pipe plug (541).

2. A blood transfusion apparatus as set forth in claim 1, wherein: the inside of speed governing piece (4) has seted up spout (41), the inside movable mounting of spout (41) has sliding block (42), the outside fixed connection of sliding block (42) is in the one end of pushing block (43).

3. A blood transfusion apparatus as set forth in claim 1, wherein: an extrusion column (442) is fixedly arranged on the inner side of the pushing ring block (44), and a spring column (443) is fixedly sleeved on the outer side of the extrusion column (442).

4. A blood transfusion apparatus as claimed in claim 3, wherein: the other end of the elastic pressing column (443) is fixedly connected with a rubber pressing block (445), a rubber ring (444) is fixedly installed in the rubber pressing block (445), and the inner side of the rubber pressing block (445) is fixedly installed on the outer side of the blood conveying tube main body (1).

5. A blood transfusion apparatus as set forth in claim 1, wherein: the top of the ventilation block (5) is provided with a lower pressing block (51), and the bottom of the lower pressing block (51) is fixedly provided with a lower pressing plate (52).

6. A blood transfusion apparatus as set forth in claim 5, wherein: the bottom of the lower pressing plate (52) is fixedly provided with a lower pressing rod, the side surface of the lower pressing rod is fixedly provided with a moving plate (53), and the other side of the moving plate (53) is fixedly arranged on one side of the filter screen (542).

7. A blood transfusion apparatus as set forth in claim 1, wherein: the inside fixed mounting of the piece of taking a breath (5) has sealed pad (55), the bottom fixedly connected with anchor strut (551) of the piece of taking a breath (5), anchor strut (552) have been cup jointed to the bottom fixed of anchor strut (551), the inboard of anchor strut (552) sets up in the outside of blood transfusion tube main part (1).