Multi-channel dialysis pipeline

Abstract

The utility model discloses a multi-channel dialysis pipeline which comprises a pump disc assembly, the pump disc assembly comprises a base plate, a first small pump pipe, a second small pump pipe, a third small pump pipe and a fourth small pump pipe, the first small pump pipe, the second small pump pipe, the third small pump pipe and the fourth small pump pipe are arranged on the upper portion of the base plate, and a large pump pipe is arranged on the lower portion of the base plate; the device further comprises a pre-flushing liquid pipeline, one end of the pre-flushing liquid pipeline is provided with an eighth color line pipe, the eighth color line pipe is communicated with one port of the first small pump pipe, the other end of the pre-flushing liquid pipeline is provided with a Y-shaped three-way connector, and the Y-shaped three-way connector is communicated with a second pressure measuring channel pipe and a backflow channel in an extending mode. The third pump pipe is communicated with a port of the third small pump pipe and a port of the large pump pipe; the side opening concentration connector and the fifth guide pipe are arranged on the base plate. According to the utility model, through the extension connection of a plurality of pipelines, the functionality and the practicability of the dialysis treatment process are enriched, and the dialysis tube can be better used for medical treatment and can deal with various emergency situations.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically a multi-channel dialysis tubing. Background Technology

[0002] Extracorporeal circulation tubing (commonly known as dialysis tubing) is the medium that maintains blood flow outside the body during hemodialysis. Powered by a peristaltic pump, it completes the extracorporeal circulation of blood. Common hemodialysis tubing varies in many ways, such as in length and volume.

[0003] With the development of technology, various treatment methods are constantly being introduced in the process of tubing therapy, requiring multiple auxiliary access points for medication, replacement fluid, etc., to enhance the treatment effect. However, existing tubing is difficult to achieve this. Therefore, a multi-channel dialysis tubing is provided. Utility Model Content

[0004] The purpose of this invention is to provide a multi-channel dialysis tubing system. By extending and connecting multiple tubing lines, the functionality and practicality of the dialysis treatment process are enriched, enabling better medical applications and handling of various emergencies.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-channel dialysis tubing, comprising: a pump plate assembly, the pump plate assembly including a chassis, and a first small pump tube, a second small pump tube, a third small pump tube, and a fourth small pump tube respectively disposed on the upper part of the chassis, and a large pump tube disposed on the lower part of the chassis; further comprising a pre-flushing tubing, one end of the pre-flushing tubing being provided with an eighth color line tube, the eighth color line tube being connected to one port of the first small pump tube, and the other end of the pre-flushing tubing being provided with a Y-type tee connector, the Y-type tee connector extending and connecting to a second pressure measuring channel tube and a return channel respectively, for connecting to the port of the third small pump tube and the port of the large pump tube respectively; and The chassis includes a side-port concentration interface, a fifth conduit, and fork-shaped connectors at the upper ports of the second and fourth small pump tubes. The fork-shaped connector on the second small pump tube is connected to a twelfth-color conduit, which is connected to the side-port concentration interface. A thirteenth-color conduit is located at the other end of each of the two fork-shaped connectors, and a T-connector is connected between the two thirteenth-color conduits. An inlet channel is connected to the T-connector. The other ports of the second, third, and fourth small pump tubes are respectively provided with a third external channel, a first external channel, and a second external channel. A connecting pipe connects the first small pump tube and the fifth conduit.

[0006] Preferably, the connecting pipeline includes a ninth-color conduit connected to the first small pump pipe, a connecting connector connected to the ninth-color conduit, and a third conduit connected to the other end of the connecting connector. The third conduit is connected to a fourth conduit, and the end of the fourth conduit away from the third conduit is connected to a tenth-color conduit. The tenth-color conduit is connected to a first pressure sensor, and an eleventh-color conduit located at the other end of the first pressure sensor. The end of the eleventh-color conduit away from the first pressure sensor is connected to the port of the fifth conduit.

[0007] Preferably, the pre-flushing pipeline includes a fourth external channel and a three-way flushing connector connected to the fourth external channel. The lower end of the three-way flushing connector is connected to two hook-shaped conduits. Each of the two hook-shaped conduits is sequentially provided with a first small flow stop clamp, a blood collection device inner conical connector, a second locking connector, and a second outer conical connector. One of the second outer conical connectors is connected to a second color line tube. The second color line tube is sequentially provided with a first large flow stop clamp, a connecting connector, and a first color line tube. The first color line tube is used to connect to the Y-type three-way connector. The other second outer conical connector is connected to an eighth color line tube, and the eighth color line tube is provided with a first small flow stop clamp.

[0008] Preferably, the second pressure measuring channel tube is provided with a first pressure measuring device and a third color wire tube connected to the first pressure measuring device, the third color wire tube being connected to the end of the large pump tube.

[0009] Preferably, the reflux channel is provided with a first small flow stop clamp and a sixth conduit provided on the reflux channel, the end of the sixth conduit being connected to the inlet channel, and the inlet channel being connected to the end of the third small pump tube.

[0010] Preferably, the first external channel, the second external channel, and the third external channel are respectively provided with a second small flow stop clamp, a third small flow stop clamp, and a fourth small flow stop clamp, and the ends of the first external channel, the second external channel, and the third external channel are respectively connected to a first external pipe, a second external pipe, and a third external pipe, and the first external pipe, the second external pipe, the third external pipe, and the fourth external channel have the same structure.

[0011] Preferably, the first external channel includes a seventh conduit, and a first outer conical connector, a first locking connector, and a pre-punch pin that are sequentially connected to the seventh conduit, wherein the working end of the pre-punch pin is fitted with a protective sleeve.

[0012] Preferably, the other end of the large pump tube is connected to a first color line tube, and the port of the first color line tube away from the large pump tube is connected to a four-way connector. The four-way connector has four connecting ports, which are sequentially connected to a first drug inlet tube, a first pressure measuring channel tube, and a fifteenth color line tube. The fifteenth color line tube is connected to the other port of the forked connector on the fourth small pump tube. The first drug inlet tube includes a heparin tube and a first small flow stop clamp disposed on the heparin tube. The end of the heparin tube away from the four-way connector is sequentially connected to a first winged inner conical connector and a one-way valve. The end of the one-way valve away from the first winged inner conical connector is provided with a sealing protective sleeve. The first pressure measuring channel tube includes a first color line tube and a connecting connector connected to the end of the first color line tube. The end of the connecting connector away from the first color line tube is provided with a fourth color line tube. The end of the fourth color line tube away from the connecting connector is provided with a second pressure sensor. The other end of the second pressure sensor is connected to a fifth color line tube. The end of the fifth color line tube away from the second pressure sensor is connected to a first arterial interface. The first arterial interface is provided with a first interface cover.

[0013] Preferably, the inlet channel includes a fourteenth-color conduit and a gyroscope cover communicating with the fourteenth-color conduit. The upper port of the gyroscope cover is connected to a second conduit, and the port of the second conduit away from the gyroscope cover is connected to a third winged inner conical connector. A sensor protective sleeve and a covered flexible connector are sequentially arranged at the front end of the third winged inner conical connector. A sixth-color conduit is located at the lower part of the gyroscope cover, and a connecting connector is connected to the end of the sixth-color conduit away from the gyroscope cover. A first-color conduit is connected to the connecting connector, and a fourth outer conical connector is sequentially arranged at the end of the first-color conduit away from the connecting connector. The device comprises a head, a fourth locking connector, a second winged inner conical connector connected to a sixteenth-color conduit, the end of the sixteenth-color conduit away from the second winged inner conical connector connected to a second arterial interface, the port of the second arterial interface away from the sixteenth-color conduit provided with a second interface cap; and a first conduit connected to the bottom of the gyroscope cover, the end of the first conduit away from the gyroscope cover being sequentially connected to a sleeve, a seventh-color conduit, a first large flow stop clamp and provided with a third outer conical connector, the end of the third outer conical connector away from the first large flow stop clamp connected to a third locking connector, and a locking connector protective sleeve provided on the third locking connector.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This utility model features a pump assembly comprising a first small pump tube, a second small pump tube, a third small pump tube, a fourth small pump tube, and a large pump tube, arranged around a chassis. Several treatment tubing lines are further connected to this assembly, extending to a pre-filling fluid tubing, a first external channel, a second external channel, a third external channel, and an inlet channel. Through these tubing lines, the pre-filling fluid tubing serves as a pre-filling fluid line; the first, second, and third external channels can be used to connect medication or replacement fluid; and the inlet channel serves as the connection to the patient. A pressure sensor can be further connected to this inlet channel. This series of tubing connections enriches the functionality and practicality of the dialysis treatment process, enabling better medical applications and handling of various emergencies. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 for Figure 1 A partially enlarged schematic diagram of the fourth external channel;

[0018] Figure 3 for Figure 1 A partially enlarged schematic diagram of the import channel structure;

[0019] Figure 4 This is a partially enlarged structural diagram of the four-way connector of this utility model;

[0020] Figure 5 This is a partially enlarged schematic diagram of the first external pipeline of this utility model.

[0021] In the diagram: 1. Protective sleeve; 2. Pre-flush needle; 6. Three-way flushing connector; 7. Hook-shaped tubing; 8. First small stop clamp; 9. Conical connector inside the blood collection set; 10. First color tubing; 11. First large stop clamp; 111. First external channel; 112. Second small stop clamp; 113. First external pipeline; 12. Connecting connector; 121. Second external channel; 122. Third small stop clamp; 123. Second external pipeline; 131. Third external channel; 132. Fourth small stop clamp; 133. Third external pipeline; 14. Y-type three-way connector; 15. Second color tubing; 16. First pressure gauge. Device; 18. Second pressure gauge; 19. Third color tubing; 20. Main pump tubing; 21. Four-way connector; 22. Fourth color tubing; 23. Fifth color tubing; 241. First arterial interface; 242. Second arterial interface; 251. First interface cover; 252. Second interface cover; 26. Side-port concentration interface; 27. Heparin tubing; 28. First winged inner conical connector; 29. ​​One-way valve; 30. Covered flexible connector; 31. Second winged inner conical connector; 311. First drug inlet tubing; 3111. First locking connector; 3112. Second locking connector; 3113. Third locking connector; 31 14. Fourth locking connector; 33. Sixth color conduit; 34. Gyroscope cover; 37. First conduit; 38. Seventh color conduit; 39. Locking connector protective sleeve; 40. Second conduit; 41. Third winged inner conical connector; 411. First pressure measuring channel tube; 4111. First outer conical connector; 4112. Second outer conical connector; 4113. Third outer conical connector; 4114. Fourth outer conical connector; 42. Sensor protective sleeve; 43. Eighth color conduit; 441. First small pump tube; 442. Second small pump tube; 443. Third small pump tube; 444. Fourth small pump tube; 45. Nine-color conduit; 46. Third conduit; 47. Tenth-color conduit; 49. Eleventh-color conduit; 501. Second pressure testing channel; 502. Return channel; 511. Inlet channel; 53. Twelfth-color conduit; 54. Thirteenth-color conduit; 55. Fourteenth-color conduit; 56. T-connector; 57. Fifteenth-color conduit; 59. Chassis; 60. Fork-type connector; 611. Pre-flushing fluid line; 62. Fourth conduit; 63. Fifth conduit; 64. Sixth conduit; 65. Seventh conduit; 66. Sleeve; 69. Sealed protective sleeve; 70. Sixteenth-color conduit; 911. Fourth external channel. Detailed Implementation

[0022] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] Example 1

[0024] Please see Figures 1 to 5 The present invention preferably provides the following technical solution: a multi-channel dialysis tubing, comprising: a pump plate assembly, the pump plate assembly including a chassis 59, and a first small pump tube 441, a second small pump tube 442, a third small pump tube 443, and a fourth small pump tube 444 respectively disposed on the upper part of the chassis 59, and a large pump tube 20 disposed on the lower part of the chassis 59; it also includes a pre-flushing tubing 611, one end of which is provided with an eighth color line tube 43, which is connected to one port of the first small pump tube 441, and the other end of which is provided with a Y-type tee connector 14, which extends and connects to a second pressure measuring channel tube 501 and a return channel 502 respectively, for connecting to the port of the third small pump tube 443 and the port of the large pump tube 20; and disposed on the chassis 59. The side-port concentration interface 26, the fifth conduit 63, the upper ports of the second small pump pipe 442 and the fourth small pump pipe 444 are respectively connected to fork-shaped connectors 60, and the port of the fork-shaped connector 60 on the second small pump pipe 442 is connected to the twelfth color line pipe 53. The port of the twelfth color line pipe 53 is connected to the side-port concentration interface 26, and the other end of each of the two fork-shaped connectors 60 is provided with a thirteenth color line pipe 54. A three-way connector 56 is connected between the two thirteenth color line pipes 54, and an inlet channel 511 is connected to the three-way connector 56; the other ports of the second small pump pipe 442, the third small pump pipe 443 and the fourth small pump pipe 444 are respectively provided with a third external channel 131, a first external channel 111 and a second external channel 121; and a connecting pipe connecting the first small pump pipe 441 and the fifth conduit 63.

[0025] In this application, a pump assembly is provided, comprising a first small pump tube 441, a second small pump tube 442, a third small pump tube 443, a fourth small pump tube 444, and a large pump tube 20, arranged around a chassis 59. Several treatment tubing is further connected to this assembly, extending to a pre-flushing fluid tubing 611, a first external channel 111, a second external channel 121, a third external channel 131, and an inlet channel 511. Through these tubing, the pre-flushing fluid tubing 611 serves as a pre-filling fluid tubing; the first external channel 111, the second external channel 121, and the third external channel 131 can be used to connect medication or replacement fluid; and the inlet channel 511 serves as a tubing for connecting to the patient. A pressure sensor can also be further connected to this channel. This series of tubing connections enriches the functionality and practicality of the dialysis treatment process, enabling better medical applications and handling of various emergencies.

[0026] Furthermore, the connecting pipeline includes a ninth-color conduit 45 connected to the first small pump pipe 441, a connecting connector 12 connected to the ninth-color conduit 45, and a third conduit 46 connected to the other end of the connecting connector 12. The third conduit 46 is connected to a fourth conduit 62. The end of the fourth conduit 62 away from the third conduit 46 is connected to a tenth-color conduit 47. The tenth-color conduit 47 is connected to a first pressure sensor 16, and an eleventh-color conduit 49 located at the other end of the first pressure sensor 16. The end of the eleventh-color conduit 49 away from the first pressure sensor 16 is connected to the port of the fifth conduit 63. Through the connecting pipeline, such as... Figure 1 It can connect the upper port of the first small pump tube 441 with the fifth conduit 63.

[0027] Example 2

[0028] In another embodiment of this utility model, the pre-flushing pipeline 611 includes a fourth external channel 911 and a three-way flushing connector 6 connected to the fourth external channel 911. The lower end of the three-way flushing connector 6 is connected to two hook-shaped conduits 7. Each of the two hook-shaped conduits 7 is sequentially provided with a first small flow stop clamp 8, a blood collection device inner conical connector 9, a second locking connector 3112, and a second outer conical connector 4112. One of the second outer conical connectors 4112 is connected to a second color line tube 15. The second color line tube 15 is sequentially provided with a first large flow stop clamp 11, a connecting connector 12, and a first color line tube 10. The first color line tube 10 is used to connect to the Y-type three-way connector 14. The other second outer conical connector 4112 is connected to an eighth color line tube 43, and the eighth color line tube 43 is provided with a first small flow stop clamp 8.

[0029] Furthermore, the second pressure measuring channel tube 501 is provided with a first pressure measuring device 16 and a third color wire tube 19 connected to the first pressure measuring device 16. The third color wire tube 19 is connected to the end of the large pump tube 20.

[0030] Furthermore, a first small flow stop clamp 8 is provided on the return channel 502, and a sixth conduit 64 is provided on the return channel 502. The end of the sixth conduit 64 is connected to the inlet channel 511, and the inlet channel 511 is connected to the end of the third small pump tube 443.

[0031] By configuring the pre-flushing fluid line 611, such as... Figure 2 As shown, it includes a fourth external channel 911, and a further provided three-way flushing connector 6. The three-way flushing connector 6 extends two hook-shaped conduits 7, and further extends a second pressure measuring channel pipe 501 and a return channel 502 under the action of the Y-type three-way connector 14. The multiple channels can be connected to the pump plate assembly, further enriching the function of the pipeline.

[0032] Example 3

[0033] In other embodiments of this utility model, the first external channel 111, the second external channel 121, and the third external channel 131 are respectively provided with a second small flow stop clamp 112, a third small flow stop clamp 122, and a fourth small flow stop clamp 132, and the ends of the first external channel 111, the second external channel 121, and the third external channel 131 are respectively connected to a first external pipe 113, a second external pipe 123, and a third external pipe 133, and the first external pipe 113, the second external pipe 123, the third external pipe 133, and the fourth external channel 911 have the same structure.

[0034] Furthermore, the first external channel 111 includes a seventh conduit 65, and a first external conical connector 4111, a first locking connector 3111, and a pre-punch 2 connected in sequence to the seventh conduit 65. The working end of the pre-punch 2 is fitted with a protective sleeve 1.

[0035] In this embodiment, such as Figure 1 As shown, since the first external pipeline 113, the second external pipeline 123, the third external pipeline 133, and the fourth external channel 911 have the same structure, specifically as follows: Figure 5 As shown, it includes a seventh catheter 65, and a first outer conical connector 4111, a first locking connector 3111, and a pre-flush needle 2 connected to the seventh catheter 65, which can be used to connect drug solution or replacement fluid.

[0036] Example 4

[0037] In another embodiment of this utility model, the other end of the large pump tube 20 is connected to a first color wire tube 10. The port of the first color wire tube 10 away from the large pump tube 20 is connected to a four-way connector 21. The four-way connector 21 has four connecting ports, which are respectively connected to a first drug inlet tube 311, a first pressure measuring channel tube 411, and a fifteenth color wire tube 57. The fifteenth color wire tube 57 is connected to the other port of the fork-shaped connector 60 on the fourth small pump tube 444. The first drug inlet tube 311 includes a heparin tube 27 and a first small flow stop clamp 8 disposed on the heparin tube 27. The end of the heparin tube 27 away from the four-way connector 21 is connected to a first winged inner conical connector 28 in sequence. A one-way valve 29 is provided with a sealing protective sleeve 69 at the end of the one-way valve 29 away from the first winged inner conical joint 28; the first pressure measuring channel tube 411 includes a first color wire tube 10 and a connecting joint 12 connected to the end of the first color wire tube 10. A fourth color wire tube 22 is provided at the end of the connecting joint 12 away from the first color wire tube 10. A second pressure measuring device 18 is provided at the end of the fourth color wire tube 22 away from the connecting joint 12. The other end of the second pressure measuring device 18 is connected to a fifth color wire tube 23. A first arterial interface 241 is connected at the end of the fifth color wire tube 23 away from the second pressure measuring device 18. A first interface cover 251 is provided on the first arterial interface 241.

[0038] In this embodiment, as another port of the large pump pipe 20, in conjunction with the structure of the four-way connector 21, the first drug inlet pipe 311, the first pressure measuring channel pipe 411, and the fifteenth color line pipe 57 are further extended, and several external pipes are further extended.

[0039] Example 5

[0040] In another embodiment of this utility model, the inlet channel 511 includes a fourteenth-color tube 55 and a gyroscope cover 34 connected to the fourteenth-color tube 55. A second conduit 40 is connected to the upper port of the gyroscope cover 34. A third winged inner conical connector 41 is connected to the port of the second conduit 40 away from the gyroscope cover 34. A sensor protective sleeve 42 and a covered flexible connector 30 are sequentially arranged at the front end of the third winged inner conical connector 41. A sixth-color tube 33 is located at the lower part of the gyroscope cover 34. A connecting connector 12 is connected to the end of the sixth-color tube 33 away from the gyroscope cover 34. A first-color tube 10 is connected to the connecting connector 12. A fourth outer conical connector 4114 and a fourth outer conical connector 4114 are sequentially arranged at the end of the first-color tube 10 away from the connecting connector 12. The four locking connectors 3114, the second winged inner conical connector 31 and the sixteenth color tube 70 are connected together. The end of the sixteenth color tube 70 away from the second winged inner conical connector 31 is connected to the second arterial interface 242. The port of the second arterial interface 242 away from the sixteenth color tube 70 is provided with a second interface cover 252. The first conduit 37 is connected to the bottom of the gyroscope cover 34. The end of the first conduit 37 away from the gyroscope cover 34 is connected in sequence to the sleeve 66, the seventh color tube 38, the first large flow stop clamp 11 and the third outer conical connector 4113. The end of the third outer conical connector 4113 away from the first large flow stop clamp 11 is connected to the third locking connector 3113. The third locking connector 3113 is provided with a locking connector protective sleeve 39.

[0041] like Figure 1 , 3 As shown, through the further configuration of the gyroscope cover 34, multiple channels extend out: a channel consisting of the sixth-color tube 33, the connecting connector 12, and the sixteenth-color tube 70; another channel consisting of the second conduit 40 and the third winged inner conical connector 41, which can be used as an interface for pressure measurement; and a third channel consisting of the first conduit 37, the sleeve 66, and the seventh-color tube 38, which can be used as a docking channel with the patient.

[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Among these, there are various methods of detachable installation, such as using a combination of plug-in and snap-fit, or using bolt connections, etc.

[0043] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. A multi-channel dialysis tubing, characterized in that, include: The pump plate assembly includes a chassis (59) and a first small pump pipe (441), a second small pump pipe (442), a third small pump pipe (443) and a fourth small pump pipe (444) respectively disposed on the upper part of the chassis (59), and a large pump pipe (20) is disposed on the lower part of the chassis (59). It also includes a pre-flushing liquid pipeline (611), one end of which is provided with an eighth color line pipe (43), which is connected to one port of the first small pump pipe (441), and the other end of the pre-flushing liquid pipeline (611) is provided with a Y-type tee connector (14), which is extended and connected to a second pressure measuring channel pipe (501) and a return channel (502) respectively, for connecting to the port of the third small pump pipe (443) and the port of the large pump pipe (20) respectively; And a side-port concentration interface (26) and a fifth conduit (63) are provided on the chassis (59). The upper ports of the second small pump pipe (442) and the fourth small pump pipe (444) are respectively connected to a fork-type connector (60). The port of the fork-type connector (60) on the second small pump pipe (442) is connected to the twelfth color line pipe (53). The port of the twelfth color line pipe (53) is connected to the side-port concentration interface (26). The other end of the two fork-type connectors (60) is provided with a thirteenth color line pipe (54). A three-way connector (56) is connected between the two thirteenth color line pipes (54). The three-way connector (56) is connected to an inlet channel (511). The other ends of the second small pump tube (442), the third small pump tube (443), and the fourth small pump tube (444) are respectively provided with a third external channel (131), a first external channel (111), and a second external channel (121); and a connecting pipe connecting the first small pump tube (441) and the fifth conduit (63).

2. The multi-channel dialysis tubing according to claim 1, characterized in that: The connecting pipeline includes a ninth color line pipe (45) connected to the first small pump pipe (441), a connecting joint (12) connected to the ninth color line pipe (45), and a third conduit (46) connected to the other end of the connecting joint (12). The third conduit (46) is connected to a fourth conduit (62). The end of the fourth conduit (62) away from the third conduit (46) is connected to a tenth color line pipe (47). The tenth color line pipe (47) is connected to a first pressure gauge (16), and an eleventh color line pipe (49) located at the other end of the first pressure gauge (16). The end of the eleventh color line pipe (49) away from the first pressure gauge (16) is connected to the port of the fifth conduit (63).

3. The multi-channel dialysis tubing according to claim 1, characterized in that: The pre-flushing fluid pipeline (611) includes a fourth external channel (911) and a three-way flushing connector (6) connected to the fourth external channel (911). The lower end of the three-way flushing connector (6) is connected to two hook-shaped conduits (7). Each of the two hook-shaped conduits (7) is sequentially provided with a first small stop clamp (8), a blood collection device inner conical connector (9), a second locking connector (3112), and a second outer conical connector (4112). The end of one of the second outer conical connectors (4112) is connected to a second color line tube (15). The second color line tube (15) is sequentially provided with a first large stop clamp (11), a connecting connector (12), and a first color line tube (10). The first color line tube (10) is used to connect to a Y-type three-way connector (14). The other second outer conical connector (4112) is connected to an eighth color line tube (43), and the eighth color line tube (43) is provided with a first small stop clamp (8).

4. A multi-channel dialysis tubing according to claim 1, characterized in that: The second pressure measuring channel tube (501) is provided with a first pressure measuring device (16) and a third color wire tube (19) connected to the first pressure measuring device (16), the third color wire tube (19) being connected to the end of the large pump tube (20).

5. A multi-channel dialysis tubing according to claim 4, characterized in that: The return channel (502) is provided with a first small stop clamp (8) and a sixth conduit (64) provided on the return channel (502). The end of the sixth conduit (64) is connected to the inlet channel (511), and the inlet channel (511) is connected to the end of the third small pump tube (443).

6. A multi-channel dialysis tubing according to claim 1, characterized in that: The first external channel (111), the second external channel (121), and the third external channel (131) are respectively provided with a second small flow stop clamp (112), a third small flow stop clamp (122), and a fourth small flow stop clamp (132). The ends of the first external channel (111), the second external channel (121), and the third external channel (131) are respectively connected to a first external pipe (113), a second external pipe (123), and a third external pipe (133). The first external pipe (113), the second external pipe (123), the third external pipe (133), and the fourth external channel (911) have the same structure.

7. A multi-channel dialysis tubing according to claim 1, characterized in that: The first external channel (111) includes a seventh conduit (65), and a first external conical connector (4111), a first locking connector (3111), and a pre-punch (2) connected in sequence to the seventh conduit (65). The working end of the pre-punch (2) is covered with a protective sleeve (1).

8. A multi-channel dialysis tubing according to claim 1, characterized in that: The other end of the large pump tube (20) is connected to the first color line tube (10). The port of the first color line tube (10) away from the large pump tube (20) is connected to a four-way connector (21). The four-way connector (21) has four connecting ports, which are connected to the first drug inlet tube (311), the first pressure measuring channel tube (411), and the fifteenth color line tube (57) in sequence. The fifteenth color line tube (57) is connected to the other port of the fork-type connector (60) on the fourth small pump tube (444). The first drug inlet tube (311) includes a heparin tube (27) and a first small stop clamp (8) disposed on the heparin tube (27). The end of the heparin tube (27) away from the four-way connector (21) is connected in sequence to a first winged inner conical connector (28) and a one-way valve (29). The end of the one-way valve (29) away from the first winged inner conical connector (28) is provided with a sealing protective sleeve (69). The first pressure measuring channel tube (411) includes a first color wire tube (10) and a connecting joint (12) connected to the end of the first color wire tube (10). A fourth color wire tube (22) is provided at the end of the connecting joint (12) away from the first color wire tube (10). A second pressure measuring device (18) is provided at the end of the fourth color wire tube (22) away from the connecting joint (12). The other end of the second pressure measuring device (18) is connected to a fifth color wire tube (23). A first arterial interface (241) is connected at the end of the fifth color wire tube (23) away from the second pressure measuring device (18). A first interface cover (251) is provided on the first arterial interface (241).

9. A multi-channel dialysis tubing according to claim 1, characterized in that: The inlet channel (511) includes a fourteenth color tube (55) and a gyroscope cover (34) connected to the fourteenth color tube (55). The upper port of the gyroscope cover (34) is connected to a second conduit (40). The port of the second conduit (40) away from the gyroscope cover (34) is connected to a third winged inner conical connector (41). The front end of the third winged inner conical connector (41) is sequentially provided with a sensor protective sleeve (42) and a covered soft connector (30). And a sixth-color tube (33) is provided at the lower part of the gyroscope cover (34). The end of the sixth-color tube (33) away from the gyroscope cover (34) is connected to a connector (12). The first-color tube (10) is connected to the connector (12). The end of the first-color tube (10) away from the connector (12) is provided with a fourth outer conical connector (4114), a fourth locking connector (3114), and a second winged inner conical connector (31) and is connected to a sixteenth-color tube (70). The end of the sixteenth-color tube (70) away from the second winged inner conical connector (31) is connected to a second arterial interface (242). The port of the second arterial interface (242) away from the sixteenth-color tube (70) is provided with a second interface cover (252). And a first conduit (37) connected to the bottom of the gyroscope cover (34), the end of the first conduit (37) away from the gyroscope cover (34) is connected in sequence to a sleeve (66), a seventh color conduit (38), a first large flow stop clamp (11) and a third outer conical connector (4113), the end of the third outer conical connector (4113) away from the first large flow stop clamp (11) is connected to a third locking connector (3113), and a locking connector protective sleeve (39) is provided on the third locking connector (3113).

Images