CN217660920U - Plasma adsorbs auxiliary device - Google Patents

Abstract

The utility model relates to a plasma adsorption technology field discloses a plasma adsorption auxiliary device, including the plasma separator, the plasma pump, the adsorber that communicate in proper order, the inlet of plasma separator communicates with the liquid outlet of the blood pump of hemodialysis machine, the liquid outlet of adsorber communicates with the blood return end of hemodialysis machine, the plasma that the plasma separator separates is through the blood return end infusion of hemodialysis machine back to the human body after the adsorber absorption under the drive of plasma pump, the plasma adsorption auxiliary device still includes transfer pump, fluid infusion bag, controller, is equipped with crystal liquid or colloidal fluid in the fluid infusion bag, the inlet of transfer pump communicates with the fluid infusion bag, the liquid outlet of transfer pump communicates with the blood return end of hemodialysis machine; the plasma pump and the infusion pump are electrically connected with the controller, and when the crystalloid liquid or the colloidal fluid is required to be infused into the body of a patient, the pump speeds of the infusion pump and the plasma pump are adjusted through the controller, so that the infusion speed of the crystalloid liquid or the colloidal fluid can be matched with the adsorption speed of the plasma pump on plasma.

Description

Plasma adsorption auxiliary device

Technical Field

The utility model relates to a plasma adsorbs technical field, especially relates to a plasma adsorbs auxiliary device.

Background

The plasma adsorption is to separate the blood into the components (blood cells and platelets) and plasma by a plasma separator, the components are returned to the patient, the plasma enters an adsorber to adsorb and remove some specific substances, and the adsorbed plasma is returned to the patient. The plasma adsorption is mainly divided into two categories according to the characteristics of the adsorbent, one category is molecular sieve adsorption, namely, the plasma adsorption utilizes the principle of the molecular sieve to pass through the electric charges and pores carried by the adsorbent, and nonspecifically adsorbs substances with the electric charges and the molecular sizes corresponding to the electric charges and the molecular sizes, such as activated carbon, resin, carbonized resin, cationic adsorbent and the like; the other is immunoadsorption, i.e. a therapeutic method for removing a specific substance (ligand) from plasma or whole blood, such as protein a adsorption, bilirubin adsorption, etc., by using a highly specific antigen-antibody reaction or a substance (ligand) having a specific physicochemical affinity bound to an adsorbent material (carrier).

Chinese utility model patent with grant publication No. CN106994193B discloses a single-column full-automatic time-sharing multiplexing protein a immunoadsorption system, it is through setting up the third pipeline between the inlet of plasma separator and adsorber, the third pipeline presss from both sides K3 through the choked flow and connects the normal saline container, press from both sides K4 through the choked flow and connect the balanced liquid container, press from both sides K5 through the choked flow and connect the eluent container, the liquid outlet of adsorber presss from both sides K7 intercommunication waste liquid container through the choked flow, press from both sides K6 through the choked flow and communicate human blood return mouth, a dedicated independent complete protein a immunoadsorption system is provided, can accomplish including treatment through single adsorber is automatic, the elution, it is balanced, work cycle such as pre-filling, need not any manual intervention, reduce patient's adsorption column use cost.

For patients with hypovolemia, hypotension is likely to occur during plasma adsorption, and therefore, it is necessary to supplement crystalloid fluid or colloid fluid to the body of the patient; however, the above-mentioned plasma adsorbing system only has a plasma adsorbing function, and cannot supplement the crystalloid liquid or the colloidal liquid into the patient, and an independent infusion pump needs to be additionally provided, so that the input of the crystalloid liquid or the colloidal liquid in the plasma adsorbing process cannot be linked with the plasma adsorbing process, and the input amount and the input speed of the crystalloid liquid or the colloidal liquid cannot be matched with the adsorption speed of the plasma pump.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the existing plasma adsorption system can not supplement crystal liquid or colloidal liquid into a patient body, when the patient needs to carry out crystal liquid or colloidal liquid infusion, an independent infusion pump needs to be additionally arranged, the input of the crystal liquid or the colloidal liquid can not be linked with the plasma adsorption process, and the input amount and the input speed of the crystal liquid or the colloidal liquid are difficult to be matched with the adsorption speed of a plasma pump.

In order to solve the technical problem, the utility model provides a plasma adsorption auxiliary device, which comprises a plasma separator, a plasma pump and an adsorber which are sequentially communicated, wherein a liquid inlet of the plasma separator is communicated with a liquid outlet of a blood pump of a hemodialysis machine, and a liquid outlet of the adsorber is communicated with a blood return end of the hemodialysis machine;

the plasma adsorption auxiliary device further comprises an infusion pump and a fluid infusion bag, a first pipeline is arranged between a fluid inlet of the infusion pump and the fluid infusion bag, a first pinch valve is arranged on the first pipeline, and a fluid outlet of the infusion pump is communicated with a blood return end of the hemodialysis machine;

the plasma adsorption auxiliary device further comprises a controller, and the plasma pump, the infusion pump and the first pinch valve are electrically connected with the controller.

Preferably, the first pipeline is provided with a first bubble detector for detecting whether bubbles exist in the liquid in the first pipeline, and the first bubble detector is electrically connected with the controller.

As a preferred scheme, a first pressure sensor is arranged at the liquid inlet of the plasma pump, and a second pressure sensor is arranged at the liquid outlet of the plasma pump;

the first pressure sensor and the second pressure sensor are both electrically connected with the controller.

As a preferable scheme, a second pipeline is arranged between a plasma outlet of the plasma separator and a liquid inlet of the plasma pump, the second pipeline is communicated with a first branch pipe, a second branch pipe and a third branch pipe, the other end of the first branch pipe is connected with a physiological saline bag, and a second pinch valve is arranged on the first branch pipe; the other end of the second branch pipe is connected with a balance liquid bag, and a third pinch valve is arranged on the second branch pipe; the other end of the third branch pipe is connected with an eluent bag, and a fourth pinch valve is arranged on the third branch pipe;

a liquid outlet of the adsorber is communicated with a liquid return pipe, the other end of the liquid return pipe is communicated with a blood return end of the hemodialysis machine, and a fifth pinch valve is arranged on the liquid return pipe; the liquid outlet of the absorber is also communicated with a waste liquid pipe, the other end of the waste liquid pipe is communicated with a waste liquid bag, and a sixth pinch valve is arranged on the waste liquid pipe;

the second pinch valve, the third pinch valve, the fourth pinch valve, the fifth pinch valve and the sixth pinch valve are all electrically connected with the controller.

Preferably, an end of a lower end of the waste liquid pipe and an end of the opening of the waste liquid bag) are spaced up and down.

As a preferable scheme, the plasma adsorption auxiliary device further comprises a fixing frame, a hanging rod is arranged at the upper end of the fixing frame, and the fluid infusion bag, the physiological saline bag, the balance liquid bag and the eluent bag are all arranged on the hanging rod;

the lower part of mount is equipped with the box, the plasma pump the adsorber the transfer pump all sets up in the box.

As a preferred scheme, a first tension scale, a second tension scale, a third tension scale and a fourth tension scale are arranged on the hanging rod, the fluid infusion bag is hung at the first tension scale, the physiological saline bag is hung at the second tension scale, the balance fluid bag is hung at the third tension scale, and the eluent bag is hung at the fourth tension scale;

and a fifth tension scale is arranged below the box body, and the waste liquid bag is hung at the fifth tension scale.

As a preferred scheme, the plasma adsorption auxiliary device further comprises a fixing frame, and a fixing plate is arranged in the middle of the fixing frame;

the first branch pipe, the second branch pipe and the third branch pipe are fixedly adhered to the fixing plate.

As a preferred scheme, a third pipeline is connected between the liquid outlet of the plasma pump and the liquid inlet of the adsorber, and a second bubble detector for detecting whether bubbles exist in liquid in the third pipeline is arranged on the third pipeline; the second bubble detector is electrically connected to the controller.

Compared with the prior art, the plasma adsorption auxiliary device of the utility model has the advantages that:

the utility model discloses a plasma adsorbs auxiliary device, including the plasma separator, the plasma pump, the adsorber that communicate in proper order, the inlet of plasma separator communicates with the liquid outlet of the blood pump of hemodialysis machine, the liquid outlet of adsorber communicates with the blood return end of hemodialysis machine, the plasma that the plasma separator separates is through the adsorption ware absorption back under the drive of plasma pump, through the blood return end of hemodialysis machine transfusion back to the human body, plasma adsorbs auxiliary device still includes transfer pump, fluid infusion bag, be equipped with crystal liquid or colloid liquid in the fluid infusion bag, the inlet of transfer pump communicates through the first pipeline with the fluid infusion bag, be equipped with first pinch valve on the first pipeline, the liquid outlet of transfer pump communicates with the blood return end of hemodialysis machine; the plasma adsorption auxiliary device also comprises a controller, wherein the plasma pump, the infusion pump and the first pinch valve are electrically connected with the controller, when the patient has symptoms such as hypotension and the like and needs to infuse the crystal liquid or the colloidal liquid into the patient, the pump speed of the infusion pump and the plasma pump is adjusted by the controller, so that the infusion speed of the crystal liquid or the colloidal liquid and the adsorption speed of the plasma pump to the plasma form linkage, and the input amount and the input speed of the crystal liquid or the colloidal liquid are easy to control.

Drawings

Fig. 1 is a schematic structural diagram of a plasma adsorption assisting device according to an embodiment of the present invention;

in the figure, 100, a plasma adsorption system; 1. a plasma separator; 11. a second pipeline; 111. a first branch pipe; 1111. a saline bag; 1112. a second pinch valve; 112. a second branch pipe; 1121. a balancing liquid bag; 1122. a third pinch valve; 113. a third branch pipe; 1131. an eluate bag; 1132. a fourth pinch valve; 12. a third pipeline; 2. an adsorber; 3. a blood plasma pump; 31. a liquid return pipe; 311. a fifth pinch valve; 32. a waste liquid pipe; 321. a waste liquid bag; 322. a sixth pinch valve; 33. a first pressure sensor; 34. a second pressure sensor; 35. a second bubble detector; 4. a hemodialysis machine; 5. an infusion pump; 51. a first pipeline; 511. a fluid infusion bag; 512. a first pinch valve; 513. a first bubble detector; 6. a fixed mount; 61. a hanging rod; 611. a first tension scale; 612. a second tension scale; 613. a third tension scale; 614. a fourth tension scale; 62. a box body; 621. a fifth tension scale; 63. a fixing plate; 64. a base plate; 641. and a roller.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

As shown in fig. 1, the utility model relates to a plasma adsorption auxiliary device, which comprises a plasma separator 1, a plasma pump 3 and an adsorber 2 which are sequentially communicated, wherein a liquid inlet of the plasma separator 1 is communicated with a liquid outlet of a blood pump of a hemodialysis machine 4, and a liquid outlet of the adsorber 2 is communicated with a blood return end of the hemodialysis machine 4; the plasma adsorption auxiliary device also comprises an infusion pump 5 and a fluid infusion bag 511, wherein a fluid inlet of the infusion pump 5 is communicated with an inner cavity of the fluid infusion bag 511, and a fluid outlet of the infusion pump 5 is communicated with a blood return end of the hemodialysis machine 4; the plasma adsorption auxiliary device further comprises a controller, and the plasma pump 3, the infusion pump 5 and the first pinch valve 512 are electrically connected with the controller.

Specifically, the plasma separator 1, the plasma pump 3 and the absorber 2 which are sequentially communicated form a plasma adsorption system 100, plasma separated by the plasma separator 1 is adsorbed by the absorber 2 under the driving of the plasma pump 3 and then is infused into a human body through the blood return end of the hemodialysis machine 4, a lens liquid or a colloidal liquid is arranged in the fluid infusion bag, when the patient has symptoms such as hypotension and the like and needs to infuse the lens liquid or the colloidal liquid into the patient, the pump speed of the infusion pump 5 and the plasma pump 3 is adjusted through the controller, the infusion speed of the lens liquid or the colloidal liquid and the adsorption speed of the plasma pump 3 to the plasma can be linked, and the input amount and the input speed of the lens liquid or the colloidal liquid are easy to control. Therefore, the plasma adsorption assist device of the present embodiment can be combined with a conventional hemodialysis machine in a hospital to perform plasma adsorption treatment on a patient, and when the patient has symptoms such as hypotension and the like and needs to infuse a crystalloid solution or a colloidal solution into the patient, the controller adjusts the pump speeds of the infusion pump 5 and the plasma pump 3, so that the infusion speed of the crystalloid solution or the colloidal solution and the adsorption speed of the plasma pump 3 to the plasma can be linked, and the input amount and the input speed of the crystalloid solution or the colloidal solution can be easily controlled.

The first tube 51 is a transparent tube, and when the patient needs to be infused with the crystalloid or colloidal fluid, the controller opens the first pinch valve 512 and operates the infusion pump 5. The first pipeline 51 is provided with a first bubble detector 513 for detecting whether bubbles exist in the liquid in the first pipeline 51, and the first bubble detector 513 is electrically connected with the controller. When the crystal liquid or the colloidal liquid is infused into the patient, if the first bubble detector 513 detects that the bubbles in the first pipeline 51 exceed the threshold value, the first bubble detector 513 sends an electric signal to the controller, and the controller sends an electric signal to the infusion pump to stop the infusion of the crystal liquid or the colloidal liquid.

In this embodiment, a first pressure sensor 33 is disposed at the inlet of the plasma pump 3, and a second pressure sensor 34 is disposed at the outlet of the plasma pump 3; the first pressure sensor 33 and the second pressure sensor 34 are both electrically connected to the controller. Through calculating second pressure sensor 34 and first pressure sensor 33's difference, can reacing the pressure differential around the plasma pump 3, realize the detection to the unobstructed degree of pipeline, the medical personnel of being convenient for in time handle pipeline and adsorber problem.

In this embodiment, a second pipeline 11 is arranged between the plasma outlet of the plasma separator 1 and the liquid inlet of the plasma pump 3, the second pipeline 11 is communicated with a first branch pipe 111, a second branch pipe 112 and a third branch pipe 113, the other end of the first branch pipe 111 is connected with a physiological saline bag 1111, and the first branch pipe is provided with a second pinch valve 1112; the other end of the second branch pipe 112 is connected with a balance liquid bag 1121, and a third pinch valve 1122 is arranged on the second branch pipe 112; the other end of the third branch 113 is connected with an eluent bag 1131, and a fourth pinch valve 1132 is arranged on the third branch 113; a liquid outlet of the adsorber 2 is communicated with a liquid return pipe 31, the other end of the liquid return pipe 31 is communicated with a blood return end of the hemodialysis machine 4, and a fifth pinch valve 311 is arranged on the liquid return pipe 31; the liquid outlet of the absorber 2 is also communicated with a waste liquid pipe 32, the other end of the waste liquid pipe 32 is communicated with a waste liquid bag 321, and the waste liquid pipe 32 is provided with a sixth pinch valve 322; the second pinch valve 1112, the third pinch valve 1122, the fourth pinch valve 1132, the fifth pinch valve 311 and the sixth pinch valve 322 are all electrically connected to the controller.

Specifically, in the plasma adsorption process, each pinch valve is opened and closed through the controller, so that continuous circulation of steps of pre-filling, blood guiding, plasma separating, plasma guiding, adsorption, plasma returning, elution, balancing, re-flushing and the like during plasma adsorption is realized, and the operation of medical workers is facilitated.

Specifically, after each treatment period of time, the plasma adsorption assisting device of this embodiment needs to flush the adsorber 2 once, and when flushing, the controller opens the second pinch valve 1112 and the fifth pinch valve 311 first, and the plasma pump 3 sucks a certain amount of physiological saline into the adsorber 2 and flushes plasma in the second pipeline 11 into the human body; then, the second pinch valve 1112 and the fifth pinch valve 311 are closed, the third pinch valve 1122 and the sixth pinch valve 322 are opened, the blood pump 3 sucks the eluent into the adsorber 2 to flush the adsorber 2, the eluent flowing out of the adsorber 2 flows into the waste liquid bag 321 through the waste liquid pipe 32, and the cleanness degree of the eluent on the adsorber can be known by testing the pH value of the liquid at the outlet of the waste liquid pipe 32 through the pH test paper because the eluent is acidic; after the PH value of the eluent flowing out from the outlet of the waste liquid pipe 32 reaches a specified range, the third pinch valve 1122 is closed, the fourth pinch valve 1132 is opened, the plasma pump 3 sucks the balance liquid into the adsorber 2 to flush the adsorber 2, since the balance liquid is alkaline, the cleanness of the balance liquid flushing the adsorber 2 can be monitored by testing the PH value of the balance liquid flowing out from the outlet of the waste liquid pipe 32, when the PH value reaches the set range, the fourth pinch valve 1132 is closed, the second pinch valve 1112 is opened to flush the balance liquid into the waste liquid bag 321 by using the physiological saline, when the PH value of the physiological saline flowing out from the outlet of the waste liquid pipe 32 reaches the set range, the completion of the cleaning of the adsorber 2 is indicated, and then the plasma adsorption can be restarted.

In the present embodiment, the end of the lower end of the waste liquid pipe 32 and the end of the opening of the waste liquid bag 321 are spaced from each other in the up-down direction. The interval between the tip of the lower extreme of waste liquid pipe 32 and the open-ended tip of waste liquid bag 321 forms the pH valve that supplies the pH test paper to get into and detects the mouth, is convenient for test through the pH value of the flush fluid that flows out in the waste liquid pipe 32, has reduced medical personnel's intensity of labour.

In this embodiment, the plasma adsorption assisting device further includes a fixing frame 6, a hanging rod 61 is arranged at the upper end of the fixing frame 6, and the fluid infusion bag 511, the physiological saline bag 1111, the balance fluid bag 1121, and the eluent bag 1131 are all arranged on the hanging rod 61; the lower part of the fixed mount 6 is provided with a box 62, and the plasma pump 3, the absorber 2 and the infusion pump 5 are all arranged in the box 62. The arrangement of the fixing frame 6 and the hanging rod 61 enables the arrangement of the fluid infusion bag 511, the physiological saline bag 1111, the balance fluid bag 1121 and the eluent bag 1131 to be more compact and orderly, and is convenient for medical staff to use.

The hanging rod 61 is provided with a first tension scale 611, a second tension scale 612, a third tension scale 613 and a fourth tension scale 614, the fluid infusion bag 511 is hung at the first tension scale 611, the physiological saline bag 1111 is hung at the second tension scale 612, the balance fluid bag 1121 is hung at the third tension scale 613, and the eluent bag 1131 is hung at the fourth tension scale 614; a fifth tension scale 621 is arranged below the box body 62, and the waste liquid bag 321 is hung at the fifth tension scale 621.

The first tension scale 611, the second tension scale 612, the third tension scale 613, the fourth tension scale 614 and the fifth tension scale 621 form a balance system of the plasma adsorption assisting device of the embodiment, the balance state of the flushing fluid is calculated through the weight change of the first tension scale 611, the second tension scale 612, the third tension scale 613 and the fourth tension scale 614, the total value of the first tension scale 611, the second tension scale 612 and the third tension scale 613 is the total weight of the flushing fluid, the physiological saline amount entering the human body can be calculated through the difference between the value of the fifth tension scale 621 and the total weight of the flushing fluid, and it is ensured that blood is not diluted. In addition, the plasma adsorption assisting device of the present application can be used for treatment of blood double replacement due to the arrangement of the balance system and the infusion pump 3, and the infusion pump 5 infuses the supplementary plasma, so that the balance system ensures that the weight of the supplementary plasma is consistent with the weight of the waste plasma, and the application range of the plasma adsorption assisting device of the present embodiment is further increased.

In this embodiment, a display screen is arranged outside the box 62, and selection modules such as modes, functions, time, linkage calculation and the like are arranged on the display screen, and after different modes are selected, parameters are set, so that the machine can automatically work without continuously clamping and opening pipelines in different working modes. In this embodiment, still be equipped with pronunciation in the box 62 and remind the module, pronunciation are reminded the module and are connected with the controller electricity, and after balanced liquid, eluant, normal saline blasts and finish, the controller sends the signal of telecommunication to pronunciation warning module so that pronunciation warning module sends the pronunciation warning that need test PH test.

In this embodiment, the middle of the fixing frame 6 is provided with a fixing plate 63; the first branch pipe 111, the second branch pipe 112 and the third branch pipe 113 are all fixed on the fixing plate 63 in an adhering manner, so that the first branch pipe 111, the second branch pipe 112 and the third branch pipe 113 are arranged more orderly.

In this embodiment, a third pipeline 12 is connected between the liquid outlet of the plasma pump 3 and the liquid inlet of the adsorber 2, a second bubble detector 35 for detecting whether bubbles exist in the liquid in the third pipeline 12 is disposed on the third pipeline 12, and the second bubble detector 35 is electrically connected to the controller.

Specifically, the tube 12 is a transparent tube, when plasma is infused into the patient, if the second bubble detector 35 detects that bubbles in the third tube 12 exceed the threshold value, the second bubble detector 35 sends an electrical signal to the controller, and the controller sends an electrical signal to the plasma pump 3 to stop plasma adsorption, in this embodiment, the first bubble detector 513 adopts an intra-infusion tube bubble detection device with an authorization notice number of CN 202740517U.

In this embodiment, the bottom of mount 6 is equipped with bottom plate 64, is equipped with a plurality of gyro wheels 641 on the bottom plate, and the setting of gyro wheel 641 is convenient for medical personnel nimble remove blood plasma adsorption equipment, has improved the convenience that blood plasma adsorption equipment used.

To sum up, this use neotype plasma separation auxiliary device, the plasma that plasma separator 1 separated is behind adsorber 2 absorption under the drive of plasma pump 3, return the blood end through hemodialysis machine 4 and infuse the human body, be equipped with crystal liquid or colloidal fluid in the fluid infusion bag, when the patient appears symptoms such as hypotension and needs infuse crystal liquid or colloidal fluid to the patient in vivo, adjust the pump speed of transfer pump 5 and plasma pump 3 through the controller, can make the infusion speed of crystal liquid or colloidal fluid and plasma pump 3 form the linkage to the adsorption rate of plasma, easily control the input volume and the input speed of crystal liquid or colloidal fluid. Moreover, the balance system is arranged, so that the plasma separation assisting device of the embodiment can be used for treatment of blood double replacement, the supplementary plasma is infused through the infusion pump, the weight of the supplementary plasma is ensured to be consistent with that of the waste plasma through the balance system, and the application range of the plasma adsorption assisting device of the embodiment is further improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (9)

1. The plasma adsorption auxiliary device is characterized by comprising a plasma separator (1), a plasma pump (3) and an adsorber (2) which are sequentially communicated, wherein a liquid inlet of the plasma separator (1) is communicated with a liquid outlet of a blood pump of a hemodialysis machine (4), and a liquid outlet of the adsorber (2) is communicated with a blood return end of the hemodialysis machine (4);

the plasma adsorption auxiliary device further comprises an infusion pump (5) and a fluid infusion bag (511), a first pipeline (51) is arranged between a liquid inlet of the infusion pump (5) and the fluid infusion bag (511), a first pinch valve (512) is arranged on the first pipeline (51), and a liquid outlet of the infusion pump (5) is communicated with a blood return end of the hemodialysis machine (4);

plasma adsorbs auxiliary device still includes the controller, plasma pump (3) infusion pump (5) first pinch valve (512) all with the controller electricity is connected.

2. The plasma adsorption assist device according to claim 1, wherein the first pipeline (51) is provided with a first bubble detector (513) for detecting whether bubbles exist in the liquid in the first pipeline (51), and the first bubble detector (513) is electrically connected with the controller.

3. The plasma adsorption aid according to claim 1, characterized in that a first pressure sensor (33) is provided at the inlet of the plasma pump (3), and a second pressure sensor (34) is provided at the outlet of the plasma pump (3);

the first pressure sensor (33) and the second pressure sensor (34) are both electrically connected with the controller.

4. The plasma adsorption auxiliary device according to claim 1, wherein a second pipeline (11) is arranged between the plasma outlet of the plasma separator (1) and the liquid inlet of the plasma pump (3), the second pipeline (11) is communicated with a first branch pipe (111), a second branch pipe (112) and a third branch pipe (113), the other end of the first branch pipe (111) is connected with a physiological saline bag (1111), and a second pinch valve (1112) is arranged on the first branch pipe; the other end of the second branch pipe (112) is connected with a balance liquid bag (1121), and a third pinch valve (1122) is arranged on the second branch pipe (112); the other end of the third branch pipe (113) is connected with an eluent bag (1131), and a fourth pinch valve (1132) is arranged on the third branch pipe (113);

a liquid outlet of the adsorber (2) is communicated with a liquid return pipe (31), the other end of the liquid return pipe (31) is communicated with a blood return end of the hemodialysis machine (4), and a fifth pinch valve (311) is arranged on the liquid return pipe (31); a waste liquid pipe (32) is communicated with a liquid outlet of the adsorber (2), a waste liquid bag (321) is communicated with the other end of the waste liquid pipe (32), and a sixth pinch valve (322) is arranged on the waste liquid pipe (32);

the second pinch valve (1112), the third pinch valve (1122), the fourth pinch valve (1132), the fifth pinch valve (311), and the sixth pinch valve (322) are all electrically connected to the controller.

5. The plasma adsorption assisting device according to claim 4, wherein an end of a lower end of the waste liquid tube (32) is spaced up and down from an end of an opening of the waste liquid bag (321).

6. The plasma adsorption assisting device according to claim 4, further comprising a fixing frame (6), wherein a hanging rod (61) is arranged at the upper end of the fixing frame (6), and the fluid replenishing bag (511), the physiological saline bag (1111), the balancing fluid bag (1121) and the eluent bag (1131) are all arranged on the hanging rod (61);

the lower part of mount (6) is equipped with box (62), plasma pump (3) adsorber (2) infusion pump (5) all set up in box (62).

7. The plasma adsorption auxiliary device according to claim 6, wherein the hanging rod (61) is provided with a first tension scale (611), a second tension scale (612), a third tension scale (613) and a fourth tension scale (614), the fluid infusion bag (511) is hung at the first tension scale (611), the physiological saline bag (1111) is hung at the second tension scale (612), the balancing fluid bag (1121) is hung at the third tension scale (613), and the eluent bag (1131) is hung at the fourth tension scale (614);

a fifth tension scale (621) is arranged below the box body (62), and the waste liquid bag (321) is hung at the fifth tension scale (621).

8. The plasma adsorption assisting device according to claim 4, further comprising a fixing frame (6), wherein a fixing plate (63) is arranged in the middle of the fixing frame (6);

the first branch pipe (111), the second branch pipe (112) and the third branch pipe (113) are fixedly adhered to the fixing plate (63).

9. The plasma adsorption auxiliary device according to any one of claims 1 to 8, characterized in that a third pipeline (12) is connected between the liquid outlet of the plasma pump (3) and the liquid inlet of the adsorber (2), and a second bubble detector (35) for detecting whether bubbles exist in the liquid in the third pipeline (12) is arranged on the third pipeline (12); the second bubble detector (35) is electrically connected to the controller.

Images