Blood component separation integrated liquid path unit box access control device

Abstract

The utility model belongs to the technical field of blood separation equipment, and particularly relates to a blood component separation integrated liquid path unit box passage control device which comprises a liquid path unit box and a control device, a plurality of pipeline connectors are arranged at the front end and the rear end of the liquid path unit box, and a plurality of sections of flow channels are arranged in the liquid path unit box. Various pipeline flow direction combinations can be realized through connection and disconnection of a plurality of sections of internal flow channels; through holes formed in a bottom plate of the liquid path unit box are formed in the end of the flow channel, the adjacent through holes are communicated in a surrounding mode through flow baffles on the bottom face of the liquid path unit box, each through hole corresponds to a contact located on the control device, and connection and disconnection of the pipeline are achieved in the mode that the contacts stretch out to block the through holes or retract to enable the through holes to be opened. The blood component collecting device is high in structural integration degree, accurate and sensitive in control and capable of accurately controlling the blood flow direction and on-off of each process stage of blood component collection.

Description

Technical Field

[0001] The utility model relates to a blood component separation integrated liquid path unit box passage control device, belonging to the technical field of blood separation equipment. Background Art

[0002] Blood component separation is a relatively complicated process, which includes blood collection and blood return stages. In order to ensure that the total blood volume in the donor's body is maintained at a certain level, the blood collection and blood return stages must be performed alternately. Usually, a blood component separation process includes more than a dozen alternations of blood collection and blood return stages, and the pathways and blood flow directions of each component blood in each stage are different. The blood components included in the blood component separation process include whole blood, red blood cells, platelet-rich plasma (PRP), platelets, platelet-free plasma (PPP), etc. Therefore, how to accurately control the pathways and flow directions of each component blood according to the changes in the separation stage is the key technology of blood component separation. Utility Model Content

[0003] The utility model provides a blood component separation integrated liquid path unit box passage control device, which can realize the passage and flow direction switching at each stage in the blood component separation process, and press the passage opening by the electromagnetic valve to ensure that the passages are completely isolated and no mixing or leakage occurs.

[0004] The utility model discloses an integrated liquid circuit unit box passage control device for blood component separation, comprising a liquid circuit unit box and a control device, wherein the front and rear ends of the liquid circuit unit box are provided with a plurality of pipeline interfaces, a plurality of flow channel sections are arranged inside the liquid circuit unit box, and a plurality of pipeline flow direction combinations can be realized by connecting and disconnecting the plurality of internal flow channel sections; a through hole is arranged at the end of the flow channel on the bottom plate of the liquid circuit unit box, and adjacent through holes are connected by being surrounded by a baffle plate on the bottom surface of the liquid circuit unit box, and each through hole corresponds to a contact located on the control device, and the connection and disconnection of the pipeline is realized by extending the contact to block the through hole or retracting the contact to open the through hole.

[0005] Wherein, the contact is extended or retracted by a solenoid valve.

[0006] The control device of the utility model comprises a panel, a plurality of contacts are arranged on the panel, and a solenoid valve is fixed on the bottom of the panel.

[0007] The panel of the utility model is provided with unit box pressing devices on both sides.

[0008] Furthermore, the unit box pressing device comprises a pressing block that can swing around a horizontal axis, and the outer side of the pressing block is pressed by the inner side of the pressing block on the liquid circuit unit box under the pressing action of the telescopic device.

[0009] Wherein, the telescopic device is driven by a clamping motor.

[0010] The integrated liquid path unit box is a pathway integrated box design. A unit box has multiple pipeline interfaces at the front and rear. The pathways connected by the front and rear pipeline interfaces are merged together. There are through holes at each intersection. The pathway can be opened and closed by alternately blocking the through holes.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The blood component separation integrated liquid path unit box passage control device described in the utility model has a high degree of structural integration, precise and sensitive control, can accurately control the blood flow direction and on-off in each process stage of blood component collection, and reduces the volume of the pipeline intersection area, reduces the blood residue, and can save precious blood resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure after the liquid path unit box is removed;

[0015] Figure 3 is a perspective cutaway view of the control device;

[0016] Figure 4 is a plan cross-sectional view of the control device;

[0017] Figure 5 It is a schematic diagram of the internal structure of the liquid path unit box;

[0018] Figure 6 1 is a schematic diagram of the bottom structure of the liquid path unit box;

[0019] Figure 7 It is a schematic diagram of the top view of the structure of the liquid path unit box.

[0020] In the figure: 1. Liquid circuit unit box; 2. Control device; 3. Panel; 4. Contact; 5. Solenoid valve; 6. Clamping block; 7. Shaft; 8. Telescopic device; 9. Clamping motor; 10. Top block; 11. Flow channel; 12. Through hole; 13. Baffle; 14. Pipeline interface. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with specific embodiments.

[0022] However, the description of the present invention is merely an embodiment of structural and even functional description, and the scope of rights of the present invention is not limited by the embodiments described in the text.

[0023] For example, multiple embodiments may have multiple changes and multiple forms, and it should be understood that the scope of rights of the present utility model includes equivalents that can realize the technical idea.

[0024] like Figure 1 , 2 As shown, this embodiment is realized by the following technical scheme: it includes a liquid circuit unit box 1 and a control device 2, a plurality of pipeline interfaces 14 are provided at the front and rear ends of the liquid circuit unit box 1, a plurality of flow passages 11 are provided inside the liquid circuit unit box 1, and a plurality of pipeline flow direction combinations can be realized by connecting and disconnecting the plurality of flow passages 11 inside; a through hole 12 is provided at the end of the flow passage 11 and is opened on the bottom plate of the liquid circuit unit box 1, and adjacent through holes 12 are connected and enclosed by a baffle plate 13 on the bottom surface of the liquid circuit unit box 1, and a soft film is used to seal the bottom of the liquid circuit unit box 1. When installed, the small hole in the center of the soft film will face the contact 4 of the arranged electromagnetic valve group, and the opening and closing of the through hole 12 will be controlled by the attraction of the electromagnetic valve. Each through hole 12 corresponds to a contact 4 located on the control device 2, and the opening and closing of the pipeline is realized by extending the contact 4 to block the through hole 12 or retracting it to open the through hole 12.

[0025] The control device 2 of this embodiment includes a panel 3 , a plurality of contacts 4 are arranged on the panel 3 , a solenoid valve 5 is fixed at the bottom of the panel 3 , and the contacts 4 are controlled by the solenoid valve 5 to extend or retract.

[0026] The panel 3 of this embodiment is provided with a unit box pressing device on both sides, and the unit box pressing device includes a pressing block 6 that can swing around a horizontal axis 7. The outer side of the pressing block 6 is pressed by the telescopic device 8 to achieve the pressing of the inner side of the pressing block 6 on the liquid circuit unit box 1. The telescopic device 8 is driven by a pressing motor 9. When the liquid circuit unit box 1 is placed in place on the panel 3, the telescopic device 8 extends and presses on the top block 10, so that the pressing block 6 swings inward, thereby pressing and fixing the two sides of the liquid circuit unit box 1.

[0027] Of course, the above contents are only preferred embodiments of the present invention and cannot be considered to limit the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and any equivalent changes and improvements made by ordinary technicians in the technical field within the essential scope of the present invention shall fall within the scope of the patent coverage of the present invention.

Claims

1. A blood component separation integrated liquid path unit box passage control device, characterized in that: The invention comprises a liquid circuit unit box (1) and a control device (2), wherein the liquid circuit unit box (1) is provided with a plurality of pipeline interfaces (14) at both ends thereof, and a plurality of flow passages (11) are provided inside the liquid circuit unit box (1). Through the connection and disconnection between the plurality of flow passages (11) inside the liquid circuit unit box (1), a plurality of pipeline flow direction combinations can be realized; through holes (12) are provided at the ends of the flow passages (11) on the bottom plate of the liquid circuit unit box (1), and adjacent through holes (12) are connected and surrounded by baffles (13) on the bottom plate of the liquid circuit unit box (1), and each through hole (12) corresponds to a contact (4) located on the control device (2), and the connection and disconnection of the pipeline is realized by extending the contact (4) to block the through hole (12) or retracting the through hole (12) to open the through hole (12).

2. The blood component separation integrated liquid path unit box passage control device according to claim 1, characterized in that: The contact (4) is controlled to extend or retract by a solenoid valve (5).

3. The blood component separation integrated liquid path unit box passage control device according to claim 2, characterized in that: The control device (2) comprises a panel (3), a plurality of contacts (4) are arranged on the panel (3), and a solenoid valve (5) is fixed at the bottom of the panel (3).

4. The blood component separation integrated liquid path unit box passage control device according to claim 3, characterized in that: Unit box pressing devices are provided on both sides of the panel (3).

5. The blood component separation integrated liquid path unit box passage control device according to claim 4, characterized in that: The unit box pressing device comprises a pressing block (6) that can swing around a horizontal axis (7). The outer side of the pressing block (6) is pressed by the telescopic device (8) to achieve the inner side of the pressing block (6) pressing the liquid path unit box (1).

6. The blood component separation integrated liquid path unit box passage control device according to claim 5, characterized in that: The telescopic device (8) is driven by a clamping motor (9).

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