Blood flow converging device for blood cell separator pipeline

Abstract

The utility model discloses a blood cell separator pipeline blood flow confluence device, which comprises a main pipeline, two branch pipes, two filters and a plurality of beam pipe fittings, one end of the main pipeline is provided with an adapter, one side of the adapter is provided with two extension pipes, the other end of the main pipeline is provided with a first joint, the first joint is suitable for being connected with a blood cell separator pipeline, and the other end of the main pipeline is provided with a second joint. One ends of the two branch pipes are connected with the ends of the two extension pipes, the other ends of the two branch pipes are suitable for being connected with venous indwelling needles, the two filters are connected between the extension pipes and the branch pipes respectively and used for filtering blood flowing into the extension pipes from the branch pipes, two through holes are formed in each pipe bundling piece, and the two through holes are communicated with the two branch pipes. The two branch pipes are arranged in the through holes in a penetrating mode respectively, and the pipe binding piece can move in the length direction of the branch pipes and is used for binding the two branch pipes together. The blood cell separator is simple in structure, high in practicability and good in using effect, and the blood flow speed required by the blood cell separator is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments, and more particularly to a blood cell separation machine pipeline blood flow converger. BACKGROUND

[0002] In current medical practice, blood cell separation technology, as an important treatment method, is widely used in blood disease treatment, blood component collection and replacement, and the treatment process of certain immune diseases. This technology relies on a blood cell separation machine to separate specific blood cell components (such as red blood cells, white blood cells, platelets, or plasma) from whole blood through specific centrifugation, filtration, or electrophoresis, etc. physical methods to meet the specific needs of clinical treatment.

[0003] However, in the process of implementing blood cell separation, a key technical challenge is how to efficiently and stably introduce blood from the patient's body into the blood cell separation machine for processing. Currently, the commonly used method is to connect the pipeline of the blood cell separation machine and the puncture needle in the patient's body through a pipeline, which serves as the channel for blood flow. Although this method achieves continuous collection and separation of blood to some extent, its inherent limitations are increasingly prominent.

[0004] Firstly, the connection method of the pipeline of the existing blood cell separation machine and the puncture needle is difficult to achieve the ideal flow rate required by the blood cell separation machine in some cases. The insufficient flow rate not only prolongs the treatment time and increases the burden on the patient, but also may affect the separation effect, resulting in insufficient purity or excessive loss of the obtained blood cell components.

[0005] Secondly, during the flow of blood in the pipeline, due to the complexity of blood components (such as platelet aggregation, fibrin precipitation, etc.), blockage phenomenon is easy to occur. This blockage not only causes interruption of treatment, but also may cause damage to the blood cell separation machine, increasing maintenance costs and use risks.

[0006] Therefore, it is necessary to make further improvements in the prior art. UTILITY MODEL CONTENT

[0007] The utility model aims at least to solve one of the technical problems in the related art to some extent. Therefore, the purpose of the utility model is to propose a blood cell separation machine pipeline blood flow converger.

[0008] To achieve the above-mentioned purpose, according to the blood cell separation machine pipeline blood flow converger of the utility model embodiment, it comprises a main pipeline, two branch pipes, two filters and a plurality of binding pipe fittings.

[0009] The main pipeline is provided with an adapter at one end, two extension pipes are arranged at one side of the adapter, and a first connector is arranged at the other end of the main pipeline.

[0010] Two branch pipes are connected to the ends of the two extension pipes, and the other ends of the two branch pipes are adapted to be connected to venous puncture needles.

[0011] Two filters are respectively arranged between the extension pipes and the branch pipes, and are used for filtering blood flowing from the branch pipes into the extension pipes.

[0012] Two through holes are arranged on each of the bundle pipe fittings, the two branch pipes are respectively arranged in the through holes, and the bundle pipe fittings are movable along the length direction of the branch pipes, so as to bind the two branch pipes together.

[0013] In addition, the blood cell separator pipeline blood flow converger according to the above-mentioned embodiments of the present application can further have the following additional technical features:

[0014] According to an embodiment of the present application, the ends of the two extension pipes are provided with second connectors, the second connectors are detachably connected with the filters, and a one-way valve is arranged in each of the second connectors, so as to avoid backflow of blood in the extension pipes.

[0015] According to an embodiment of the present application, the one-way valve comprises a valve body and a sealing sheet.

[0016] The valve body is arranged in the second connector, and is used for closing the internal passage of the second connector, a plurality of flow guide holes are arranged on the valve body along the circumferential direction of the valve body, and the flow guide holes penetrate through the valve body.

[0017] The middle part of the sealing sheet is connected to the inner side of the valve body through a connecting column, and the edges of the sealing sheet cover the plurality of flow guide holes.

[0018] When blood enters the flow guide holes from the branch pipes, the sealing sheet is opened.

[0019] According to an embodiment of the present application, the two filters each comprise a connecting shell and a filter screen.

[0020] One end of the shell is connected with the extension pipe, and the other end of the shell is connected with the tube.

[0021] The filter screen is arranged in the connecting shell, and is used for filtering blood passing through the connecting shell.

[0022] According to an embodiment of the present application, the middle part of the filter screen protrudes to the side of the extension pipe, so as to form a taper shape.

[0023] According to one embodiment of the utility model, one side of each of the beam pipe is provided with a plug-in part, and the other side is provided with a jack.

[0024] Two adjacent beam pipes can be plugged into the jack of the other beam pipe through the plug-in part on one of the beam pipes to connect the two beam pipes.

[0025] According to one embodiment of the utility model, the inner wall of the plug-in hole is provided with an extruded elastic sheet to extrude and fix the plug-in part inserted into the jack.

[0026] According to one embodiment of the utility model, one flow-stopping clamp is arranged on each of the two branch pipes to open and close the internal passage of the branch pipe.

[0027] The blood cell separator pipeline blood flow converger provided by the embodiment of the utility model can ensure that the blood flows stably and smoothly from the venous puncture needle into the main pipeline during the blood cell separation process. The design of the double branch pipes can increase the blood flow into the main pipeline, ensure the blood flow rate during the treatment process, and the design of the beam pipe allows the beam pipe to move along the length direction, so that the position and distance of the branch pipe can be adjusted and fixed according to the actual needs, effectively reducing the blood flow fluctuation caused by the pipeline shaking or improper layout, and improving the stability of the blood flow. The two filters arranged between the extension pipe and the branch pipe can efficiently filter the impurities, particles and fibrin in the blood, effectively preventing the pipeline from being blocked. This not only ensures the normal operation of the blood cell separator, but also improves the purity and quality of the separated blood cell components, and provides more reliable support for clinical treatment.

[0028] The additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings from the structures shown in the drawings without creating creative labor.

[0030] Figure 1 It is the overall structure schematic view in the embodiment of the utility model;

[0031] Figure 2 It is the overall structure schematic view of the beam pipe in the embodiment of the utility model;

[0032] Figure 3 is another schematic view of the bundle pipe whole structure in the embodiment of the utility model;

[0033] Figure 4 is the bundle pipe section view in the embodiment of the utility model;

[0034] Figure 5 is the filter section view in the embodiment of the utility model;

[0035] Figure 6 is the second joint section view in the embodiment of the utility model.

[0036] Reference signs:

[0037] Main pipe 10;

[0038] Adapter 11;

[0039] Extension pipe 12;

[0040] First joint 13;

[0041] Second joint 14;

[0042] One-way valve 15;

[0043] Valve body 151;

[0044] Flow guide hole 152;

[0045] Sealing sheet 153;

[0046] Branch pipe 20;

[0047] Flow stopper 21;

[0048] Filter 30;

[0049] Connecting shell 31;

[0050] Filter screen 32;

[0051] Bundle pipe 40;

[0052] Through hole 41;

[0053] Plug-in part 42;

[0054] Plug hole 43;

[0055] Extruded elastic sheet 44.

[0056] The utility model discloses the realization, functional characteristics and advantages will be further explained with reference to the drawings in conjunction with the embodiment. Specific implementation

[0057] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application, and all other embodiments obtained by those skilled in the art based on the embodiments in the present application without creative labor fall within the scope of protection of the present application.

[0058] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0059] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0060] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0061] In the present utility model, unless otherwise expressly provided and limited, the first feature is "on" or "under" the second feature, which can include direct contact of the first and second features, or indirect contact of the first and second features through another feature therebetween. Moreover, the first feature "on", "above" and "under" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "under", "below" and "under" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0062] The blood cell separator pipeline blood flow converger according to the embodiments of the present utility model is described in detail below with reference to the drawings.

[0063] Referring to Figures 1 to 6 As shown in the figure, the blood cell separator pipeline blood flow converger according to the embodiments of the present utility model comprises a main pipeline 10, two branch pipelines 20, two filters 30 and a plurality of binding tube pieces 40.

[0064] The main pipeline 10 is provided with an adapter 11 at one end, the adapter 11 is provided with two extension tubes 12 at one side, and the main pipeline 10 is provided with a first joint 13 at the other end, which is suitable for connecting the pipeline of a blood cell separator.

[0065] The two branch pipelines 20 are connected at one end with the end portions of the two extension tubes 12, and the other ends of the two branch pipelines 20 are suitable for connecting venous puncture needles.

[0066] The two filters 30 are respectively connected between the extension tubes 12 and the branch pipelines 20, and are used for filtering the blood flowing from the branch pipelines 20 into the extension tubes 12. Advantageously, the filters 30, the extension tubes 12 and the branch pipelines 20 are detachably connected, and when the impurities in the filters 30 accumulate to a certain degree, the filters 30 can be detached and replaced, and the design of the two branch pipelines 20 and the filters 30 ensures that the pipeline of at least one branch pipeline 20 is in working state when the filters 30 are replaced without suspending treatment.

[0067] Each of the binding tube pieces 40 is provided with two through holes 41, the two branch pipelines 20 are respectively arranged in the through holes 41, and the binding tube pieces 40 are movable along the length direction of the branch pipelines 20, so as to bind the two branch pipelines 20 together.

[0068] Based on the above, through the ingenious connection of the main pipeline 10 and the two branch pipes 20, and the application of the bundle pipe 40, it can be ensured that the blood flows stably and smoothly from the venous puncture needle into the main pipeline 10 during the blood cell separation process. The design of the double branch pipes 20 can increase the blood flow into the main pipeline 10, ensure the blood flow rate during the treatment process, and the design of the bundle pipe 40 allows the bundle pipe 40 to move along the length direction of the branch pipe 20, so that the position and spacing of the branch pipe 20 can be adjusted and fixed according to actual needs, effectively reducing the blood flow fluctuation caused by the shaking or improper layout of the pipeline, and improving the stability of the blood flow. The two filters 30 arranged between the extension pipe 12 and the branch pipe 20 can efficiently filter impurities, particles and fibrin in the blood, effectively preventing the occurrence of pipeline blockage. This not only ensures the normal operation of the blood cell separation machine, but also improves the purity and quality of the separated blood cell components, and provides more reliable support for clinical treatment.

[0069] It should be noted that the main pipeline 10 and the two branch pipes 20 are made of transparent material, so that the doctor can observe directly.

[0070] Preferably, in an embodiment of the utility model, the end of the two extension pipes 12 is provided with a second joint 14, the second joint 14 and the filter 30 are detachably connected, and a one-way valve 15 is arranged in each second joint 14 to prevent the blood in the extension pipe 12 from flowing back.

[0071] In this way, the introduction of the one-way valve 15 ensures that the blood can only flow in one direction, from the branch pipe 20 to the extension pipe 12, and then into the main pipeline 10. This prevents blood from flowing back when replacing the filter 30.

[0072] Preferably, in an embodiment of the utility model, the one-way valve 15 includes a valve body 151 and a sealing sheet 153.

[0073] The valve body 151 is arranged inside the second joint 14 to close the internal passage of the second joint 14, and a plurality of flow guide holes 152 are arranged on the valve body 151 along the circumference thereof, and the flow guide holes 152 penetrate the valve body 151.

[0074] The sealing sheet 153 is connected to the inner side of the valve body 151 through a connecting column, and the edges of the sealing sheet 153 cover the plurality of flow guide holes 152.

[0075] When the blood enters the flow guide hole 152 from the branch pipe 20, the sealing sheet 153 is pushed open.

[0076] Therefore, the plurality of flow guide holes 152 on the valve body 151 are designed to allow blood to pass through the one-way valve 15 uniformly and efficiently. When the blood flows from the branch pipe 20 into the flow guide holes 152, the pressure is sufficient to push open the sealing piece 153, allowing the blood to flow smoothly. This design ensures the continuity and stability of blood flow during the blood cell separation process, improving the separation efficiency.

[0077] The design of the sealing piece 153 is crucial. Its edge covers the plurality of flow guide holes 152, and when the blood flow stops or reverses, the sealing piece 153 will quickly rebound and tightly adhere to the flow guide holes 152, effectively preventing backflow of blood. This instant response feature provides reliable reverse flow protection for the blood cell separation process.

[0078] Preferably, in an embodiment of the present application, each of the two filters 30 comprises a connecting shell 31 and a filter screen 32.

[0079] One end of the shell is connected to the extension pipe 12, and the other end is connected to the catheter.

[0080] The filter screen 32 is arranged in the connecting shell 31 to filter the blood passing through the connecting shell 31.

[0081] Therefore, as the core component of the filter 30, the filter screen 32 can effectively remove impurities, particles, fibrin and other unwanted components in the blood, ensuring that the blood entering the blood cell separator is pure and free of impurities. This high-efficiency filtering performance helps to improve the precision and efficiency of blood cell separation, thereby improving the treatment effect.

[0082] Preferably, in an embodiment of the present application, the middle part of the filter screen 32 protrudes towards one side of the extension pipe 12, forming a tapered shape.

[0083] Therefore, the design of the tapered filter screen 32 increases the filtering area of the filter screen 32, allowing the blood to come into more sufficient contact with the filter screen 32 when passing through the filter screen 32, thereby more effectively removing impurities and particles in the blood. This design improves the filtering efficiency and ensures that the blood entering the blood cell separator is more pure.

[0084] At the same time, the filtered impurities will preferentially enter the bottom end of the filter screen 32, thereby effectively slowing down the speed of the filter screen 32 being covered with debris, extending the service life of the filter 30.

[0085] Preferably, in an embodiment of the present application, each of the two bundle pipe members 40 has a plug-in part 42 on one side and a plug-in hole 43 on the other side.

[0086] Two adjacent beam pipe 40 can be inserted into the other beam pipe 40 through the insertion hole 43 of the insertion part 42 on one of the beam pipe 40, so as to connect two beam pipe 40.

[0087] It can be understood that due to the different body types of human body and the different conditions during treatment, the positions of two puncture needles are also different, that is, the distance between the two puncture needles is different, so that the extension direction and length of the two branch pipes 20 are also different, so that the design of the insertion part 42 and the insertion hole 43 makes the beam pipe 40 can be flexibly connected to two branch pipes 20 with different lengths, avoiding the bending of the pipeline due to the disorder, so as to adapt to different blood cell separation requirements. This design improves the versatility and practicality of the beam pipe 40, so that it can be widely used in various blood cell separation scenes.

[0088] Meanwhile, the design of the insertion part 42 and the insertion hole 43 makes the connection of the beam pipe 40 extremely simple. Without additional tools or complex operation steps, the connection can be completed by inserting the insertion part 42 into the insertion hole 43. This design greatly simplifies the installation process and improves the work efficiency.

[0089] Preferably, in an embodiment of the utility model, the insertion hole inner wall is equipped with extrusion spring 44, for extruding and fixing the insertion part 42 inserted into the insertion hole 43.

[0090] In this way, the design of the extrusion spring 44 makes the insertion part 42 can be continuously extruded by the spring after being inserted into the insertion hole 43, so as to ensure that the connection between the beam pipe 40 is more stable. This design effectively prevents the loosening of the beam pipe 40 caused by the pressure generated by the blood flow, improves the continuity and safety of the blood cell separation process.

[0091] Preferably, in an embodiment of the utility model, the two branch pipes 20 are equipped with a flow stopper 21, which is used to open and close the internal passage of the branch pipe 20.

[0092] In this way, the design of the flow stopper 21 makes medical staff can open or close the internal passage of the branch pipe 20 at any time according to the needs, so as to realize the accurate control of the blood cell separation process. This design improves the flexibility of operation, so that the blood cell separation process is more flexible and controllable. The flow stopper 21 is prior art, which has a wide application in medical treatment, therefore, its specific structure is not described in detail.

[0093] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0094] The above only describes the preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or directly / indirectly applied in other related technical fields under the application concept of the present application are included in the patent protection scope of the present application.

Claims

1. A blood cell separator tubing blood flow junction, characterized by, The utility model relates to a blood transfusion device, which comprises: a main pipe, one end of which is provided with an adapter, one side of the adapter is provided with two extension pipes, and the other end of the main pipe is provided with a first joint suitable for connecting a blood cell separator pipe; two branch pipes, one end of each of the two branch pipes is connected to an end of each of the two extension pipes, and the other end of each of the two branch pipes is suitable for connecting an intravenous catheter; two filters, each of which is connected between the extension pipe and the branch pipe to filter blood flowing from the branch pipe into the extension pipe; a plurality of bundle pipe fittings, each of which is provided with two through holes, the two branch pipes are arranged in the through holes, and the bundle pipe fittings can move along the length direction of the branch pipes to bind the two branch pipes together.

2. A conduit flow uniter for a blood cell separator according to claim 1 wherein, The end of each of the two extension pipes is provided with a second joint, the second joint is detachably connected to the filter, and a one-way valve is arranged in each of the second joints to prevent blood in the extension pipe from flowing back.

3. A conduit flow uniter for a blood cell separation machine according to claim 2, wherein, The one-way valve comprises: a valve body arranged in the second joint to close the internal passage of the second joint, a plurality of flow guide holes are arranged on the valve body in the circumferential direction, and the flow guide holes penetrate the valve body; a sealing sheet, the middle part of the sealing sheet is connected to the inner side of the valve body through a connecting column, and the edge of the sealing sheet covers the plurality of flow guide holes; When blood enters the flow guide holes from the branch pipe, the sealing sheet is pushed open.

4. A conduit flow uniter for a blood cell separation machine according to claim 1 wherein, Each of the two filters comprises: a connecting shell, one end of which is connected to the extension pipe, and the other end of which is connected to the branch pipe; a filter screen arranged in the connecting shell to filter blood passing through the connecting shell.

5. A conduit flow uniter for a blood cell separation machine according to claim 4, wherein, The middle part of the filter screen protrudes to one side of the extension pipe to form a taper.

6. A conduit flow uniter for a blood cell separation machine according to claim 1 wherein, One side of each of the bundle pipe fittings is provided with a plug-in part, and the other side is provided with a plug hole; Two adjacent bundle pipe fittings can be connected by inserting the plug-in part of one of the bundle pipe fittings into the plug hole of the other bundle pipe fitting.

7. A conduit flow uniter for a blood cell separation machine according to claim 6, wherein, The inner wall of the plug hole is provided with a pressing spring to press and fix the plug-in part inserted into the plug hole.

8. A conduit flow uniter for a blood cell separation machine according to claim 1 wherein, Each of the two branch pipes is provided with a flow stop clamp to open and close the internal passage of the branch pipe.

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