A medical blood diversion and distribution device

Abstract

The present invention discloses a medical blood diversion and distribution device, which comprises a diversion plate and a distribution plate that are hermetically buckled with each other. A cavity for accommodating blood is formed between the diversion plate and the distribution plate. The diversion plate is provided with an inlet / outlet and an exhaust hole that are both communicated with the cavity. A waterproof and breathable membrane is provided on the exhaust hole. The distribution plate is provided with a plurality of distribution holes that are all communicated with the cavity. A diversion groove is provided on the side surface of the diversion plate located inside the cavity. One end of the diversion groove starts from the end of the inlet / outlet located inside the cavity, and the other end of the diversion groove extends in a direction away from the inlet / outlet. The purpose is to provide a medical blood diversion and distribution device that can be installed at the blood inlet and outlet of a blood treatment device, enabling the blood to obtain a better blood treatment effect, making the blood flow out of the treatment device more uniformly and stably, not easily generating turbulence, thereby reducing the occurrence of hemolysis and thrombosis.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, and particularly to a medical blood diversion and distribution device. Background Art

[0002] Extracorporeal blood treatment devices include hemodialysis machines, plasma exchange machines, hemofiltration machines, hemoperfusion machines, immune adsorption devices, etc. These blood treatment devices filter, adsorb, replace, etc. the blood through different principles and technologies to remove harmful substances in the blood or supplement required substances, so as to achieve the purpose of treating diseases.

[0003] During the treatment process, it is necessary to draw out the patient's blood from the body and pass it through the blood treatment device to filter, adsorb, replace, etc. the blood to remove harmful substances in the blood or supplement required substances, so as to achieve the purpose of treating diseases. The existing blood treatment devices are not optimized in the flow field at the blood inlet, and the blood is not evenly distributed inside the treatment device, which affects the blood treatment efficiency. In addition, the existing blood treatment devices are not optimized in the flow field at the blood outlet either. Therefore, the blood is prone to generate turbulence and unstable flow when flowing out of the treatment device. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a medical blood diversion and distribution device, which can be installed at the blood inlet of the blood treatment device, allowing the blood to flow through the present invention first and then into the blood treatment device, so that the blood velocity and pressure distribution can be more uniform and better blood treatment effects can be obtained; of course, the present invention can also be installed at the blood outlet of the blood treatment device, allowing the blood in the blood treatment device to flow into the present invention and then flow out through the present invention, so that the blood outflow velocity can be more uniform and stable, not easily generating turbulence, thereby reducing the occurrence of hemolysis and thrombosis.

[0005] The medical blood diversion and distribution device of the present invention includes a diversion plate and a distribution plate that are hermetically buckled together. A cavity for accommodating blood is formed between the diversion plate and the distribution plate. The diversion plate is provided with an inlet / outlet and an exhaust hole that are both communicated with the cavity. A waterproof breathable membrane is provided on the exhaust hole. The distribution plate is provided with a plurality of distribution holes that are all communicated with the cavity. A diversion groove is provided on the side surface of the diversion plate located inside the cavity. One end of the diversion groove starts from the end of the inlet / outlet located inside the cavity, and the other end of the diversion groove extends in a direction away from the inlet / outlet.

[0006] In the medical blood diversion and distribution device of the present invention, a receiving groove is provided on the side surface of the diversion plate opposite to the distribution plate. The distribution plate is hermetically buckled at the notch of the receiving groove. The inner cavity of the receiving groove between the diversion plate and the distribution plate forms the cavity. The inlet / outlet and the exhaust hole are both provided on the bottom wall of the receiving groove of the diversion plate.

[0007] For the medical blood diversion and distribution device of the present invention, a diversion groove is provided on the bottom wall of the accommodation groove of the diversion plate. One end of the diversion groove starts from the end of the inlet / outlet located inside the accommodation groove, and the other end of the diversion groove extends along the bottom wall of the accommodation groove in a direction away from the inlet / outlet.

[0008] For the medical blood diversion and distribution device of the present invention, the accommodation groove is square. The inlet / outlet and the exhaust hole are respectively located at two ends of a diagonal line of the accommodation groove. Two diversion grooves are provided. The two diversion grooves respectively extend along two sides of the accommodation groove adjacent to the inlet / outlet. The end of the diversion groove starting from the inlet / outlet is the first end, and the end of the diversion groove away from the inlet / outlet is the second end. The width of the diversion groove gradually becomes narrower along the direction from the first end to the second end, and the depth of the diversion groove gradually becomes shallower along the direction from the first end to the second end.

[0009] For the medical blood diversion and distribution device of the present invention, a plurality of diversion cones are provided inside the cavity. One end of the diversion cone is fixed on the bottom wall of the accommodation groove, and the other end of the diversion cone abuts against the distribution plate.

[0010] For the medical blood diversion and distribution device of the present invention, the distribution hole includes a straight circular hole and a tapered hole that are communicated with each other. The straight circular hole is arranged closer to the cavity than the tapered hole. The aperture of the tapered hole at the part away from the straight circular hole is larger than that at the part close to the straight circular hole.

[0011] For the medical blood diversion and distribution device of the present invention, the part of the distribution plate corresponding to the inlet / outlet is the first part, and the remaining part of the distribution plate except the first part is the second part. A plurality of the distribution holes are arranged on the second part of the distribution plate in an array manner.

[0012] For the medical blood diversion and distribution device of the present invention, a strengthening structure is provided on the side surface of the diversion plate located outside the cavity.

[0013] For the medical blood diversion and distribution device of the present invention, a clamping groove is provided on the diversion plate, and a clamping block matching the clamping groove is provided on the distribution plate. The clamping block is clamped in the clamping groove, and the diversion plate and the distribution plate are hermetically buckled with each other through the clamping groove and the clamping block.

[0014] For the medical blood diversion and distribution device of the present invention, the diversion plate and the distribution plate are hermetically buckled with each other by means of welding, bonding, riveting, bolt connection or screw connection.

[0015] The difference between the medical blood diversion and distribution device of the present invention and the prior art lies in that when the medical blood diversion and distribution device of the present invention is in use, a medical blood diversion and distribution device of the present invention is respectively installed at the blood inlet and outlet of the blood treatment device. The medical blood diversion and distribution device of the present invention installed at the blood inlet is denoted as the first blood diversion and distribution device, and the medical blood diversion and distribution device of the present invention installed at the blood outlet is denoted as the second blood diversion and distribution device. The blood flow direction is the first blood diversion and distribution device → blood treatment device → second blood diversion and distribution device. For the first blood diversion and distribution device, its inlet and outlet are connected to the external pipeline, so that the blood in the external pipeline flows into the cavity through the inlet and outlet. During this process, the blood is evenly distributed in the cavity under the guidance of the diversion groove, and then the blood evenly flows out of the cavity from the distribution holes and flows into the blood treatment device. After being processed, the blood flows from the blood treatment device into the second blood diversion and distribution device. When flowing into the second blood diversion and distribution device, the blood evenly flows into the cavity from the distribution holes, and then comes to the inlet and outlet through the diversion groove, and then evenly flows out from the inlet and outlet. External pipelines are also connected to the inlet and outlet of the second blood diversion and distribution device, and the blood flows out through the external pipeline after coming out of the inlet and outlet. In addition, for the exhaust holes on the blood diversion and distribution device, a waterproof and breathable membrane is provided. Therefore, during the process of filling the cavity with blood, the gas in the cavity can be discharged from the exhaust holes through the waterproof and breathable membrane, but the blood in the cavity cannot pass through the waterproof and breathable membrane, so the blood in the cavity will not leak out from the exhaust holes. It can be seen that the present invention can be installed at the blood inlet of the blood treatment device, allowing the blood to flow through the present invention first and then into the blood treatment device, which can make the blood velocity and pressure distribution more uniform and obtain better blood treatment effects; of course, the present invention can also be installed at the blood outlet of the blood treatment device, allowing the blood in the blood treatment device to flow into the present invention and then flow out through the present invention, which can make the blood outflow velocity more uniform and stable, not easily generating turbulence, thereby reducing the occurrence of hemolysis and thrombosis.

[0016] The present invention will be further described below with reference to the accompanying drawings. Description of the Drawings

[0017] Figure 1 is the front view of the medical blood diversion and distribution device of the present invention;

[0018] Figure 2 is along Figure 1 the sectional view taken along line A-A in

[0019] Figure 3 is the rear view of the medical blood diversion and distribution device of the present invention;

[0020] Figure 4 is the three-dimensional Figure 1 ;

[0021] Figure 5 is the three-dimensional view of the medical blood diversion and distribution device of the present invention Figure 2 ;

[0022] Figure 6 is the front view of the diversion plate in the present invention;

[0023] Figure 7 is the rear view of the diversion plate in the present invention;

[0024] Figure 8 is the three-dimensional view of the diversion plate in the present invention Figure 1 ;

[0025] Figure 9 is the three-dimensional view of the diversion plate in the present invention Figure 2 ;

[0026] Figure 10 is the front view of the distribution plate in the present invention;

[0027] Figure 11 is along Figure 10 the sectional view taken along line B-B in;

[0028] Figure 12 is the rear view of the distribution plate in the present invention;

[0029] Figure 13 is the three-dimensional view of the distribution plate in the present invention Figure 1 ;

[0030] Figure 14 is the three-dimensional view of the distribution plate in the present invention Figure 2 ;

[0031] Figure 15 is the schematic diagram of blood flowing from the cavity of the present invention into the blood treatment device through the distribution holes;

[0032] Figure 16 is the schematic diagram of blood flowing from the blood treatment device into the cavity through the distribution holes of the present invention;

[0033] Figure 17 is the flow field distribution diagram of blood flowing from the inlet and outlet of the present invention into the cavity;

[0034] Figure 18 is the flow field distribution diagram of blood flowing out of the cavity of the present invention through the inlet and outlet to the outside of the cavity;

[0035] Figure 19 is the eddy current distribution diagram of the distribution plate when blood flows from the cavity of the present invention into the blood treatment device through the distribution holes. Detailed implementation manners

[0036] As Figure 1 shown, and in combination with Figure 2-16As shown in the figure, the medical blood diversion and distribution device of the present invention includes a diversion plate 1 and a distribution plate 2 that are hermetically buckled together. A cavity for accommodating blood is formed between the diversion plate 1 and the distribution plate 2. An inlet / outlet 103 and an exhaust hole 105 that are both communicated with the cavity are provided on the diversion plate 1. A waterproof and breathable membrane (not shown in the figure) is provided on the exhaust hole 105. A plurality of distribution holes 202 that are all communicated with the cavity are provided on the distribution plate 2. A diversion groove 104 is provided on the side surface of the diversion plate 1 located inside the cavity. One end of the diversion groove 104 starts from the end of the inlet / outlet 103 located inside the cavity, and the other end of the diversion groove 104 extends in a direction away from the inlet / outlet 103.

[0037] Since a waterproof and breathable membrane is provided on the exhaust hole 105, when blood enters the cavity, the gas in the cavity can be discharged from the exhaust hole 105, while the blood cannot be discharged from the exhaust hole 105. The waterproof and breathable membrane is a prior art, and its specific structure and working principle will not be elaborated here. If the exhaust hole 105 is not provided, due to the gas pressure in the cavity, the blood cannot enter the cavity.

[0038] As Figure 2 、 6 As shown in FIGS. 9, in the medical blood diversion and distribution device of the present invention, a receiving groove 106 is provided on the side surface of the diversion plate 1 opposite to the distribution plate 2. The distribution plate 2 is hermetically buckled at the notch of the receiving groove 106. The inner cavity of the receiving groove 106 between the diversion plate 1 and the distribution plate 2 forms the cavity. The inlet / outlet 103 and the exhaust hole 105 are both provided on the bottom wall of the receiving groove 106 of the diversion plate 1.

[0039] In addition to the above-described cavity setting method of this embodiment, the cavity can also be set in the following ways: 1) Instead of providing the receiving groove 106 on the diversion plate 1, a receiving groove 106 is provided on the side surface of the distribution plate 2 opposite to the diversion plate 1, and the diversion plate 1 is hermetically buckled at the notch of the receiving groove 106. Then, the inner cavity of the receiving groove 106 between the diversion plate 1 and the distribution plate 2 forms the cavity; 2) Receiving grooves 106 are provided on the opposite side surfaces of the diversion plate 1 and the distribution plate 2. After the diversion plate 1 and the distribution plate 2 are hermetically buckled, the space jointly formed by the two receiving grooves 106 is the cavity.

[0040] As Figure 6 、 9 As shown in FIGS., in the medical blood diversion and distribution device of the present invention, the diversion groove 104 is provided on the bottom wall of the receiving groove 106 of the diversion plate 1. One end of the diversion groove 104 starts from the end of the inlet / outlet 103 located inside the receiving groove 106, and the other end of the diversion groove 104 extends along the bottom wall of the receiving groove 106 in a direction away from the inlet / outlet 103.

[0041] In this embodiment, the receiving groove 106 is square, the inlet / outlet 103 and the exhaust hole 105 are respectively located at two ends of a diagonal line of the receiving groove 106, there are two guiding grooves 104, and the two guiding grooves 104 respectively extend along two sides of the receiving groove 106 adjacent to the inlet / outlet 103. One end of the guiding groove 104 starting from the inlet / outlet 103 is the first end, and the end of the guiding groove 104 away from the inlet / outlet 103 is the second end. The width of the guiding groove 104 gradually becomes narrower along the direction from the first end to the second end, and the depth of the guiding groove 104 gradually becomes shallower along the direction from the first end to the second end. The guiding groove 104 is a blood flow guiding structure, which can make the blood evenly distributed: as Figure 17 shown, when the blood flows into the cavity from the inlet / outlet 103, the blood is divided into two strands from the inlet / outlet 103, and the two strands of blood respectively flow along the two guiding grooves 104. Under the guiding action of the guiding grooves 104, the blood gradually moves towards the exhaust hole 105 until the cavity is evenly filled (the gas in the cavity is discharged from the exhaust hole 105 during this process); as Figure 18 shown, when the blood flows out of the cavity through the inlet / outlet 103, the blood also passes through the guiding action of the guiding grooves 104, so that the blood can evenly fill the cavity.

[0042] As Figure 2 、 6 、9 shown, in the medical blood guiding and distributing device of the present invention, a plurality of guiding cones 107 are arranged in the cavity, one end of the guiding cone 107 is fixed on the bottom wall of the receiving groove 106, and the other end of the guiding cone 107 abuts against the distributing plate 2. The guiding cone 107 is used to reduce the turbulence in the blood and make the blood flow stable.

[0043] As Figure 2 shown, and in combination with Figure 1 、 5 、10-16 shown, in the medical blood guiding and distributing device of the present invention, the distribution hole 202 includes a straight round hole 2022 and a tapered hole 2021 that are communicated with each other. The straight round hole 2022 is arranged closer to the cavity than the tapered hole 2021, and the aperture of the tapered hole 2021 at the end away from the straight round hole 2022 is larger than the aperture at the end close to the straight round hole 2022. That is to say, from the side of the cavity inside the distributing plate 2 to the side outside the cavity, the aperture of the tapered hole 2021 gradually becomes larger. More specifically, as Figure 2 、 11 shown, the aperture of the tapered hole 2021 gradually becomes larger from left to right, as Figure 15 shown, the aperture of the tapered hole 2021 gradually becomes larger from top to bottom, as Figure 16 shown, the aperture of the tapered hole 2021 gradually becomes larger from bottom to top. As Figure 15 、 19As shown, when blood flows from the cavity into the blood treatment device 3 through the distribution holes 202, the blood flows through the straight round holes 2022 and the tapered holes 2021 of the distribution holes 202 in sequence, forming a vortex, so that the blood is in full contact with the blood treatment device 3; as Figure 16 shown, when the blood flows out of the blood treatment device 3 and flows into the cavity through the distribution holes 202, the blood flows through the tapered holes 2021 and the straight round holes 2022 of the distribution holes 202 in sequence, which can reduce turbulence and make the blood output more stable.

[0044] As Figure 1 , 2 As shown in FIGS. 5, 10-14, in the medical blood diversion and distribution device of the present invention, the part of the distribution plate 2 corresponding to the inlet and outlet 103 is the first part 203, and the rest of the distribution plate 2 except the first part 203 is the second part. A plurality of the distribution holes 202 are arranged on the second part of the distribution plate 2 in an array. The first part 203 of the distribution plate 2 is not provided with the distribution holes 202. That is to say, the first part 203 forms a blocking structure. When the blood flows into the cavity through the inlet and outlet 103, the blocking structure can block the blood flow impact, so that the blood can be distributed along the diversion groove 104.

[0045] As Figure 3 , 4 As shown in FIGS. 7, 8, in the medical blood diversion and distribution device of the present invention, a reinforcing structure is provided on the outer side surface of the diversion plate 1 located outside the cavity. In this embodiment, the reinforcing structure is a plurality of reinforcing ribs 102, and the plurality of reinforcing ribs 102 are arranged crosswise on the diversion plate 1, which can improve the strength of the diversion plate 1.

[0046] As Figure 1 , 5 As shown in FIGS. 6, 9, 10, 12-14, in the medical blood diversion and distribution device of the present invention, a card slot 101 is provided on the diversion plate 1, and a card block 201 matching the card slot 101 is provided on the distribution plate 2. The card block 201 is clamped in the card slot 101, and the diversion plate 1 and the distribution plate 2 are hermetically buckled with each other through the card slot 101 and the card block 201.

[0047] Of course, in addition to the above-mentioned hermetic buckling method, the diversion plate 1 and the distribution plate 2 can also be hermetically buckled with each other by welding, bonding, riveting, bolt connection or screw connection.

[0048] In order to enhance the sealing effect, on the basis that the diversion plate 1 and the distribution plate 2 are hermetically buckled through the card slot 101 and the card block 201, bonding or welding is performed between the diversion plate 1 and the distribution plate 2; of course, on the basis of riveting, bolt connection or screw connection between the diversion plate 1 and the distribution plate 2, bonding or welding can also be performed between the diversion plate 1 and the distribution plate 2.

[0049] The difference between the medical blood diversion and distribution device of the present invention and the prior art lies in that when the medical blood diversion and distribution device of the present invention is in use, a medical blood diversion and distribution device of the present invention is respectively installed at the blood inlet and outlet of the blood treatment device 3. The medical blood diversion and distribution device of the present invention installed at the blood inlet is denoted as the first blood diversion and distribution device, and the medical blood diversion and distribution device of the present invention installed at the blood outlet is denoted as the second blood diversion and distribution device. The blood flow direction is the first blood diversion and distribution device → blood treatment device 3 → second blood diversion and distribution device. For the first blood diversion and distribution device, its inlet and outlet 103 are connected to the external pipeline, so that the blood in the external pipeline flows into the cavity through the inlet and outlet 103. During this process, the blood is blocked by the first part 203 of the distribution plate 2 and then smoothly flows into the guiding groove. After that, the blood is evenly distributed in the cavity through the guiding of the guiding groove 104 (as Figure 17 shown), and then the blood uniformly flows out of the cavity from the distribution holes 202 and flows into the blood treatment device 3 (as Figure 15 shown). After being processed, the blood flows from the blood treatment device 3 into the second blood diversion and distribution device. When flowing into the second blood diversion and distribution device, the blood uniformly flows into the cavity from the distribution holes 202 (as Figure 16 shown), and then comes to the inlet and outlet 103 through the guiding groove 104 (as Figure 18 shown, the blood can be evenly distributed in the cavity), and then flows out evenly from the inlet and outlet 103. The inlet and outlet 103 of the second blood diversion and distribution device are also connected to the external pipeline, and the blood flows out through the external pipeline after coming out of the inlet and outlet 103. In addition, for the exhaust hole 105 on the blood diversion and distribution device, a waterproof and breathable membrane is provided thereon. Therefore, during the process of the cavity being filled with blood, the gas in the cavity can be discharged from the exhaust hole 105 through the waterproof and breathable membrane, but the blood in the cavity cannot pass through the waterproof and breathable membrane, so the blood in the cavity will not leak out from the exhaust hole 105. Thus, it can be seen that the present invention can be installed at the blood inlet of the blood treatment device 3, allowing the blood to flow through the present invention first and then into the blood treatment device 3, so that the blood speed and pressure distribution can be made more uniform, and a better blood treatment effect can be obtained; of course, the present invention can also be installed at the blood outlet of the blood treatment device 3, allowing the blood in the blood treatment device 3 to flow into the present invention and then flow out through the present invention, so that the blood outflow speed can be made more uniform and stable, and it is not easy to generate turbulence, thereby reducing the occurrence of hemolysis and thrombosis.

[0050] The advantages of the present invention compared with the prior art are as follows:

[0051] (1) Between the diversion plate 1 and the distribution plate 2, the blood pressure and speed can be evenly distributed, there is no flow dead zone, and the possibility of thrombus formation is reduced.

[0052] (2) When blood flows from the cavity into the blood treatment device 3 through the distribution holes 202, a vortex can be formed between the distribution plate 2 and the blood treatment device 3, enabling the blood to come into full contact with the blood treatment device 3 and improving the blood treatment effect.

[0053] (3) When blood flows out of the blood treatment device 3 and into the cavity through the distribution holes 202, the distribution plate 2 can reduce the turbulence in the blood treatment device 3 and enable the blood to be stably output.

[0054] It should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "middle", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0055] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] The embodiments described above are only used to describe the preferred embodiments of the present invention and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A medical blood diversion and distribution device, characterized in that: it includes a diversion plate and a distribution plate that are hermetically buckled together. A cavity for accommodating blood is formed between the diversion plate and the distribution plate. An inlet / outlet and an exhaust hole that are both communicated with the cavity are provided on the diversion plate. A waterproof and breathable membrane is provided on the exhaust hole. A plurality of distribution holes that are all communicated with the cavity are provided on the distribution plate. A diversion groove is provided on the side surface of the diversion plate located inside the cavity. One end of the diversion groove starts from the end of the inlet / outlet located inside the cavity, and the other end of the diversion groove extends in a direction away from the inlet / outlet. A receiving groove is provided on the side surface of the diversion plate opposite to the distribution plate. The distribution plate is hermetically buckled at the notch of the receiving groove. The inner cavity of the receiving groove between the diversion plate and the distribution plate forms the cavity. The inlet / outlet and the exhaust hole are both provided on the bottom wall of the receiving groove of the diversion plate. The diversion groove is provided on the bottom wall of the receiving groove of the diversion plate. One end of the diversion groove starts from the end of the inlet / outlet located inside the receiving groove, and the other end of the diversion groove extends along the bottom wall of the receiving groove in a direction away from the inlet / outlet. The receiving groove is square. The inlet / outlet and the exhaust hole are respectively located at two ends of a diagonal line of the receiving groove. The diversion groove is provided in two. The two diversion grooves respectively extend along two sides of the receiving groove adjacent to the inlet / outlet. The end of the diversion groove starting from the inlet / outlet is the first end, and the end of the diversion groove away from the inlet / outlet is the second end. The width of the diversion groove gradually becomes narrower along the direction from the first end to the second end, and the depth of the diversion groove gradually becomes shallower along the direction from the first end to the second end.

2. The medical blood diversion and distribution device according to claim 1, characterized in that: a plurality of diversion cones are provided in the cavity. One end of the diversion cone is fixed on the bottom wall of the receiving groove, and the other end of the diversion cone abuts against the distribution plate.

3. The medical blood diversion and distribution device according to claim 2, characterized in that: the distribution hole includes a straight round hole and a tapered hole that are communicated with each other. The straight round hole is arranged closer to the cavity than the tapered hole. The aperture of the tapered hole at the part away from the straight round hole is larger than the aperture at the part close to the straight round hole.

4. The medical blood diversion and distribution device according to claim 3, characterized in that: the part of the distribution plate corresponding to the inlet / outlet is the first part, and the remaining part of the distribution plate except the first part is the second part. A plurality of the distribution holes are arranged on the second part of the distribution plate in an array manner.

5. The medical blood diversion and distribution device according to claim 4, characterized in that: a strengthening structure is provided on the side surface of the diversion plate located outside the cavity.

6. The medical blood diversion and distribution device according to any one of claims 1-5, characterized in that: a clamping groove is provided on the diversion plate, and a clamping block that is matched with the clamping groove is provided on the distribution plate. The clamping block is clamped in the clamping groove, and the diversion plate and the distribution plate are hermetically buckled together through the clamping groove and the clamping block.

7. The medical blood diversion and distribution device according to any one of claims 1-5, characterized in that: the diversion plate and the distribution plate are hermetically buckled together by means of welding, bonding, riveting, bolt connection or screw connection.

Images