CN212593320U

CN212593320U - Multifunctional blood transfusion device

Info

Publication number: CN212593320U
Application number: CN202020254733.9U
Authority: CN
Inventors: 刘学霞; 卢金云
Original assignee: Anhui Hongyu Wuzhou Medical Manufacturer Co ltd
Current assignee: Anhui Hongyu Wuzhou Medical Manufacturer Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2021-02-26
Anticipated expiration: 2030-03-05

Abstract

The utility model relates to the technical field of medical equipment, in particular to a multifunctional blood transfusion device, which comprises a puncture outfit, a blood transfusion dropping funnel component and a flow regulator, wherein the blood transfusion dropping funnel component comprises a dropping funnel cover and a dropping funnel body, the puncture outfit is communicated with the dropping funnel body, and the multifunctional blood transfusion device is characterized in that a blood filtering part and an installation part are installed in the dropping funnel body, the installation part is a bulge and is fixedly connected with the inner wall of the dropping funnel body, the blood filtering part is a cup-shaped body, one end of the blood filtering part is opened towards one end of the dropping funnel body for feeding liquid, the other end is a bottom, a cavity is left between the two walls of the blood filtering part, one end of the blood filtering part is opened along the radial direction to form a; one end of the dropping funnel body, which is used for discharging liquid, is connected with a guide pipe, and a flow regulator is sleeved on the guide pipe. The effects of filtering blood and preventing coagulation are achieved, the structure is simple, and the operation is convenient.

Description

Multifunctional blood transfusion device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a multi-functional blood transfusion ware.

Background

Venous transfusion is commonly used for supplementing blood volume, increasing blood pressure, increasing hemoglobin, correcting anemia, supplementing antibodies, increasing body resistance, increasing protein, correcting hypoproteinemia, supplementing various blood coagulation factors, improving blood coagulation, and promoting the functions of a bone marrow system and a reticuloendothelial system clinically; is often used for the treatment and operation of blood system diseases and the treatment of large blood loss.

In the long-time blood transfusion process of the blood transfusion device in the prior art, blood is easy to coagulate when standing for too long, and blood clots formed after coagulation are not fully filtered, so that the blood transfusion is not smooth, and the like; therefore, it is necessary to design a multifunctional blood transfusion apparatus to meet the use requirements of medical personnel and patients.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defect that the blood transfusion device is easy to coagulate blood when standing for too long, and provides a multifunctional blood transfusion device which is simple to use and can fully filter blood clots.

The utility model provides a multifunctional blood transfusion device, including puncture outfit, blood transfusion drip chamber subassembly and flow regulator, blood transfusion drip chamber subassembly includes drip chamber lid and drip chamber body, the puncture outfit with drip chamber body intercommunication, install blood filter part and installation department in the drip chamber body, the installation department is protruding and fixed connection at drip chamber body inner wall, blood filter part is the cup-shaped body, and shown blood filter part one end opening towards drip chamber body feed liquor one end, the other end is the end, leave the cavity between two walls of blood filter part, blood filter part open-ended one end is along radially extending formation boss, the boss is connected with the installation department;

one end of the dropping funnel body, which is used for discharging liquid, is connected with a guide pipe, and a flow regulator is sleeved on the guide pipe.

Further, the blood filtering portion includes a first blood filter and a second blood filter, and the second blood filter is located below the first blood filter.

Further, the installation part comprises a first annular bulge and a second annular bulge, and bosses extending out of the first blood filter and the second blood filter are sequentially arranged on the first annular bulge and the second annular bulge and are fixedly connected.

Furthermore, the dropping funnel body is internally provided with an anti-coagulation mechanism which is driven by blood to operate and stir the blood in the blood transfusion dropping funnel.

Further, prevent blood coagulation mechanism includes bracing piece and impeller, the bracing piece level sets up in the blood filtering part, the one end of bracing piece sets firmly on the inner wall of blood filtering part, is equipped with the impeller that can rotate in order to stir the liquid level of blood around bracing piece axis direction on the other end, the impeller is in the direction that blood drips.

Furthermore, the anti-coagulation mechanism comprises a connecting chain, a balance frame, a connecting line and a mixing ball, wherein one end of the connecting chain is fixedly arranged in the blood transfusion dripping hopper, and the other end of the connecting chain is movably connected with the balance frame and suspends the balance frame in the blood transfusion dripping hopper; the balance frame consists of three cross rods which are positioned on the same plane, the three cross rods are arranged in a herringbone mode, and included angles among the cross rods are equal;

the connecting chain and the balance frame are connected with each other at the intersection of the cross bars; the number of the mixing balls is three, the mixing balls are respectively connected with one end of the cross rod, which is not intersected, through one connecting line, the connecting chain, the balancing rod, the connecting lines and the mixing balls are matched with each other to keep balance, and the length of the connecting lines enables the mixing balls to be completely immersed under the liquid level in the blood transfusion drip chamber.

Furthermore, the bottom end of the puncture outfit is sleeved with an air inlet valve which is communicated with the puncture outfit, so that the atmosphere is communicated with the gas in the puncture outfit.

Further, the pipe connection has Y type pipe, the other both ends of Y type pipe are connected with first branch pipe and second branch pipe respectively, first branch pipe is equipped with first screw joint, the second branch pipe is equipped with the second screw joint, the first screw joint other end even has first vein transfer line, the second screw joint other end even has the second vein transfer line.

Furthermore, first venous transfusion pipe and second venous transfusion pipe tip all link has the venous transfusion needle, be equipped with the needle handle on the venous transfusion needle, the outer cover of venous transfusion needle has the needle sheath.

The utility model discloses a set up first blood filter and second blood filter in the dropping funnel, the blood clot in the blood is fully filtered behind two filter screens.

In addition, the anti-coagulation mechanism is arranged in the first blood filter, and the blood is dripped on the anti-coagulation mechanism to drive the anti-coagulation mechanism to move, so that the anti-coagulation mechanism stirs the blood in the blood transfusion dripping hopper, and the anti-coagulation effect is achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of a multifunctional blood transfusion apparatus according to a first embodiment of the present invention;

fig. 2 is a schematic partial structure diagram of a coagulation preventing mechanism according to a first embodiment of the present invention;

fig. 3 is a partial structural schematic view of a coagulation preventing mechanism according to a second embodiment of the present invention;

fig. 4 is a sectional view taken along the line a-a in fig. 3.

The reference numerals in the figure include a puncture outfit 1, a puncture outfit sheath 2, an air inlet valve 3, a drip chamber cover 4, a drip chamber body 41, a first annular protrusion 411, a second annular protrusion 412, a catheter joint 413, a first blood filter 5, a support rod 51, an impeller 52, a mounting rod 6, a connecting chain 611, a balance bracket 612, a connecting line 613, a mixing ball 614, a second blood filter 7, a catheter 8, a flow regulator 81, a Y-shaped tube 9, a first branch tube 91, a second branch tube 92, a first screw joint 911, a second screw joint 921, a first venous transfusion tube 912, a second venous transfusion tube 922, a venous transfusion needle 93, a needle handle 94, and a needle sheath 95.

Detailed Description

The invention will be described in detail with reference to the following drawings and specific embodiments:

example one

This embodiment is shown substantially in fig. 1, and the multi-functional blood transfusion set in this embodiment includes a puncture instrument 1, a blood transfusion drip chamber assembly, and a flow regulator 81. One end of the puncture outfit 1 is sleeved with a puncture outfit sheath 2 to isolate bacteria in the air and prevent the puncture outfit 1 from being polluted; the other end of the puncture outfit 1 is sleeved with an air inlet valve 3, the air inlet valve 3 and the puncture outfit 1 are integrally formed, and the air inlet valve 3 is opened, so that the air pressure in the puncture outfit 1 is the same as the external air pressure, and the blood smoothly flows out of the blood bag.

The blood transfusion dropping funnel component comprises a dropping funnel cover 4 and a dropping funnel body 41, the end, where the air inlet valve 3 discharges, is connected with the dropping funnel cover 4, one end of the puncture outfit 1 penetrates through the dropping funnel cover 4 and extends into the dropping funnel body 41, and the puncture outfit 1, the air inlet valve 3 and the dropping funnel cover 4 are integrally formed and are convenient to install. The outer diameter of the dropping funnel cover 4 is equal to the inner diameter of the dropping funnel body 41, the dropping funnel cover 4 can be just covered on the dropping funnel body 41, and the covered parts are bonded or welded together, so that the dropping of the multifunctional blood transfusion apparatus is prevented when the multifunctional blood transfusion apparatus is used. The dropping funnel body 41 is used for containing blood to be transfused, and the dropping funnel body 41 may be made of hard gum, PC, transparent ABS material, soft gum and other materials, and the transparent ABS material is preferred in this embodiment. The blood filter part is vertically placed in the dropping funnel body 41 and comprises a first blood filter 5 and a second blood filter 7, the blood filter part is a cup-shaped filter screen, one end opening faces to the direction of liquid inlet of the dropping funnel body, the other end is a bottom, a cavity is reserved between two walls of the blood filter part and used for filtering blood clots in blood, and one end of the opening of the blood filter part extends along the radial direction to form a boss. The inner wall of the dropping funnel body 41 is bonded with the first annular protrusion 411, and the boss extending out of the first blood filter 5 is arranged on the first annular protrusion 411 and bonded together, so that the first blood filter 5 is stably arranged in the dropping funnel body 41, and the installation is convenient.

The second blood filter 7 is positioned below the first blood filter 5, the mesh of the first blood filter 5 is larger than the mesh of the second blood filter 7, when blood flows through the first blood filter 5, larger blood clots are filtered, when blood flows through the second blood filter 7, smaller blood clots are filtered, and double filtering ensures that no blood clots are present in the blood that is introduced into the human body. The inner wall of the dropping funnel body 41 is bonded with a second annular bulge 412 below the first blood filter 5, and a boss extending from the second blood filter 7 is arranged on the second annular bulge 412 and bonded together, so that the dropping funnel is stably arranged and is not easy to fall off.

One end of the dropping funnel body 41, which is used for discharging liquid, is fixedly connected with a conduit joint 413, a conduit 8 is sleeved on the conduit joint 413, and the inner diameter of the conduit 8 is equal to the outer diameter of the conduit joint 413, so that stable connection is facilitated. The conduit 8 is sleeved with a flow regulator 81, and the flow regulator 81 can be used for regulating the speed of blood transfusion or closing the conduit. One end of the duct 8 along the blood outflow is connected with a Y-shaped pipe 9, and the Y-shaped pipe 9 divides the duct 8 into two parts to form two blood transfusion passages. A first branch pipe 91 and a second branch pipe 92 are respectively connected to the Y-shaped pipe 9, the other end of the first branch pipe 91 is connected with a first screw joint 911, and the other end of the second branch pipe 92 is connected with a second screw joint 921; the other end of the first screw joint 911 is connected with a first venous transfusion tube 912, the other end of the second screw joint 921 is connected with a second venous transfusion tube 922, and the screw joint is connected with the venous transfusion tube more stably, so that the multifunctional transfusion device is not easy to fall off in the transfusion process when being used. The lengths of the first venous transfusion tube 912 and the second venous transfusion tube 922 are different, when a patient urgently needs to transfuse a large amount of blood, medical staff can transfuse blood to different parts of the patient at the same time, the operation is simple, and the cost is saved.

One end of the first venous transfusion tube 912 and one end of the second venous transfusion tube 922 are fixedly connected with a needle handle 94 with a cylinder, the venous transfusion needle 93 is inserted into the cylinder, and a needle sheath 95 is sleeved outside the venous transfusion needle 93 and used for protecting the venous transfusion needle 93 from being polluted.

As shown in fig. 2, a support rod 51 is horizontally bonded to the inner wall of the first blood filter 5, an impeller 52 is rotatably connected to the top end of the support rod 51, the impeller 52 can rotate around the axis of the support rod 51 in the vertical direction, and the impeller 52 is located right below the blood drop. When blood drops on the impeller 52, the blood drops drive the impeller 52 to rotate, and the rotation of the impeller 52 stirs the blood level to prevent the blood level from coagulating.

The working process of the embodiment is as follows: when the medical staff uses the multifunctional blood transfusion device, the puncture device sheath 2 is taken down, the puncture device 1 is inserted into a blood bag, the air inlet valve 3 is opened, and blood flows into the dropping funnel body 41 from the puncture device 1. Blood drops on the impeller 52 after passing through the first blood filter 5, the blood drives the impeller 52 to rotate, and the impeller 52 continuously rotates to stir the liquid level, so that the blood liquid level is prevented from coagulating, and the effect of preventing coagulation is achieved. The blood again enters the second blood filter 7, a large number of blood clots are filtered and then flow into the conduit 8, the flow regulator 81 controls the speed of the blood transfusion, and the Y-tube 9 at the end of the conduit 8 divides the blood into two paths. When a patient needs transfusion, the first venous transfusion tube 912 is used for transfusion, and when the patient needs urgent massive transfusion, the second venous transfusion tube 922 is used for transfusion of different parts, so that the effect of massive transfusion is achieved.

In the second embodiment, the first embodiment of the method,

unlike the first embodiment, the coagulation prevention mechanism used in the present embodiment includes a connecting chain 611, a balance bracket 612, a connecting wire 613, and a mixing ball 614. As shown in fig. 3, a mounting rod 6 is transversely disposed in the blood filtering part 6, the mounting rod 6 is a rectangular parallelepiped, and both ends of the mounting rod 6 are bonded to the inner wall of the blood filtering part 6. One end of the connecting chain 611 is fixedly connected to one surface of the mounting rod 6 facing the conduit joint 413, the other end is fixedly connected to the balance bracket 612, and the connecting chain 611 is coaxially arranged with the drip chamber body 41. The upper end of the connecting chain 611 is provided with a circular ring which is sleeved on the mounting rod 6 and is fixedly bonded. As shown in fig. 4, the balancing stand 612 is composed of three cross bars with equal length, the three cross bars are located on the same plane and are arranged in a herringbone row, and the included angles between the cross bars are equal, that is, the included angle between two adjacent cross bars is 120 degrees; a hanging ring is arranged at the center of one side of the balance frame 612 facing the opening of the dropping funnel body 41, a circular ring is also arranged at the lower end of the connecting chain 611 and is buckled with the hanging ring on the balance frame 612, and thus, the balance frame 612 is hung in the blood filtering part 6.

The hybrid ball 614 is fixedly connected to the ends of the cross bars of the balance frame 612 through the connecting lines 613, the distances from the connecting points of the cross bars and the connecting lines 613 to the central hoisting position of the balance frame 612 are equal, and the connection mode of the hybrid ball 614 and the connecting lines 613 is the prior art, which can be implemented by those skilled in the art and will not be described herein again. In this embodiment, the mixing balls 614 with uniform specification are adopted, and the lengths of the connecting lines 613 are different, so that the mixing balls 614 connected below the connecting lines 613 are located at different heights in the blood filtering part 6, and the hoisted balance bracket 612, the connecting lines 613 and the mixing balls 614 are matched with each other, thereby keeping balance without external force. When blood enters the dropping funnel body 41, the blood drops on the relatively static balancing stand 612, the original static balance is broken, each cross rod of the balancing stand 612 shakes up and down, the shaking of the cross rod drives the mixing ball 614 connected through the connecting line 613 to move up and down in the dropping funnel body 41 so as to achieve the effect of stirring the blood, the rotation of the whole balancing stand 612 is accompanied in the process, the mixing ball 614 is also located at different heights in the blood in the dropping funnel body 41, the stirring range of the mixing ball 614 is further expanded, the blood in the first blood filter 5 is fully mixed, and the effect of preventing blood coagulation is achieved. Meanwhile, in the process of blood infusion, blood also flows through the first blood filter 5 and the second blood filter 7, blood clots in the blood are filtered out, the blood clots are prevented from entering a human body to cause discomfort, and the blood clot filtering device is simple to operate and high in practicability.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. The multifunctional blood transfusion device comprises a puncture outfit, a blood transfusion dropping funnel component and a flow regulator, wherein the blood transfusion dropping funnel component comprises a dropping funnel cover and a dropping funnel body, the puncture outfit is communicated with the dropping funnel body, and the multifunctional blood transfusion device is characterized in that a blood filtering part and an installation part are installed in the dropping funnel body, the installation part is a bulge and is fixedly connected to the inner wall of the dropping funnel body, the blood filtering part is a cup-shaped body, one end of the blood filtering part is opened towards one end of the dropping funnel body for liquid inlet, the other end of the blood filtering part is a bottom, a cavity is reserved between the two walls of the blood filtering part, one end of the opening of the blood filtering part extends along the radial direction to form;

2. The multi-functional blood transfusion apparatus of claim 1 wherein the blood filtering portion comprises a first blood filter and a second blood filter, the second blood filter being located below the first blood filter.

3. The multi-functional blood transfusion device of claim 2 wherein the mounting portion comprises a first annular protrusion and a second annular protrusion, and wherein the first blood filter and the second blood filter have respective protrusions extending therefrom which are sequentially disposed on and fixedly coupled to the first annular protrusion and the second annular protrusion.

4. The multi-functional blood transfusion set according to claim 1, wherein the dropping funnel body is provided therein with an anti-coagulation mechanism which stirs blood in the transfusion dropping funnel by a blood-driven operation.

5. The multifunctional blood transfusion apparatus as claimed in claim 4, wherein the anti-clotting mechanism comprises a support rod and an impeller, the support rod is horizontally disposed in the blood filtering portion, one end of the support rod is fixedly disposed on the inner wall of the blood filtering portion, the other end of the support rod is provided with the impeller capable of rotating around the axial direction of the support rod to stir the liquid level of the blood, and the impeller is located in the direction of blood dripping.

6. The multifunctional blood transfusion apparatus as claimed in claim 4, wherein the anticoagulation mechanism comprises a connecting chain, a balance frame, a connecting wire and a mixing ball, one end of the connecting chain is fixedly arranged in the transfusion dripping funnel, and the other end of the connecting chain is movably connected with the balance frame and suspends the balance frame in the transfusion dripping funnel; the balance frame consists of three cross rods which are positioned on the same plane, the three cross rods are arranged in a herringbone mode, and included angles among the cross rods are equal;

7. The multi-functional blood transfusion device as claimed in claim 1, wherein the bottom of the puncture device is sleeved with an air inlet valve, and the air inlet valve is communicated with the puncture device so that the atmosphere is communicated with the gas in the puncture device.

8. The multifunctional blood transfusion device as claimed in claim 1, wherein the catheter is connected with a Y-shaped tube, the other two ends of the Y-shaped tube are respectively connected with a first branch tube and a second branch tube, the first branch tube is provided with a first screw joint, the second branch tube is provided with a second screw joint, the other end of the first screw joint is connected with a first venous transfusion tube, and the other end of the second screw joint is connected with a second venous transfusion tube.

9. The multi-functional blood transfusion device of claim 8 wherein the first and second intravenous infusion tubes are connected at their ends with intravenous infusion needles, the intravenous infusion needles are provided with needle handles, and the intravenous infusion needles are sheathed with needle sheaths.