CN113952528A

CN113952528A - Medical detection device for blood purification

Info

Publication number: CN113952528A
Application number: CN202111150507.1A
Authority: CN
Inventors: 黄鑫
Original assignee: Qinshang Guangzhou Industrial Co ltd
Current assignee: Qinshang Guangzhou Industrial Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-01-21

Abstract

A medical detection device for blood purification comprises a detection cabin, a supporting platform, a liquid storage bottle, a sampling bottle, a liquid pumping assembly, a liquid drainage assembly, an intermediary barrel, a piston, a top cover, a fixing frame, a control panel and a rack; the top of the liquid storage bottle is provided with a first rubber bottle plug, and the top of the sampling bottle is provided with a second rubber bottle plug; the liquid pumping assembly comprises a liquid pumping pipe and a first needle head, and the liquid pumping pipe is provided with a first one-way valve for controlling the unidirectional circulation of blood from the first needle head to the intermediary barrel; the liquid discharge assembly comprises a liquid conveying pipe and a second needle head, and the liquid conveying pipe is provided with a second one-way valve for controlling one-way circulation of blood from the intermediary barrel to the second needle head; the rack is provided with a first moving driving mechanism which is used for driving the supporting platform to lift so as to enable the first needle to be inserted into or moved out of the liquid storage bottle through the first rubber bottle stopper and enable the second needle to be inserted into or moved out of the sampling bottle through the second rubber bottle stopper. The invention can conveniently sample blood, ensure the sanitation of the blood sampling process and the accuracy of the subsequent detection result.

Description

Medical detection device for blood purification

Technical Field

The invention relates to the technical field of medical equipment, in particular to a medical detection device for blood purification.

Background

Blood purification is also called dialysis in daily life, and the meaning of blood purification is: the blood of the patient is led out of the body and passes through a purifying device to remove some pathogenic substances and purify the blood, thereby achieving the purpose of treating diseases. After purifying blood, need carry out sampling test to the blood that purifies, after the testing result shows that blood purification effect is up to standard, can only carry the blood after purifying back to the patient internal.

When using current medical detection device of blood purification, be not convenient for carry out the sample of blood, medical staff troublesome poeration, blood exposes easily in the air, receives the pollution easily, leads to the accuracy of follow-up testing result to reduce.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides a medical blood purification detection device which can conveniently sample blood, ensure the sanitation of the blood sampling process and ensure the accuracy of the subsequent detection result.

(II) technical scheme

On one hand, the invention provides a medical detection device for blood purification, which comprises a detection cabin, a supporting platform, a liquid storage bottle, a sampling bottle, a liquid pumping assembly, a liquid drainage assembly, an intermediary barrel, a piston, a top cover, a fixing frame, a control panel and a rack, wherein the detection cabin is provided with a liquid storage cavity;

the detection cabin is arranged on the rack, a first placing groove for placing a liquid storage bottle and a second placing groove for placing a sampling bottle are formed in the top of the supporting platform, a first rubber bottle stopper is arranged on the top of the liquid storage bottle, and a second rubber bottle stopper is arranged on the top of the sampling bottle; the liquid pumping assembly comprises a liquid pumping pipe and a first needle head, the liquid pumping pipe and the intermediary barrel are sequentially communicated, and a first one-way valve used for controlling the unidirectional circulation of blood from the first needle head to the intermediary barrel is arranged on the liquid pumping pipe; the liquid drainage assemblies are provided with a plurality of groups, each liquid drainage assembly comprises a liquid conveying pipe and a second needle head, the intermediary barrel, the liquid conveying pipe and the second needle head are sequentially communicated, and the liquid conveying pipe is provided with a second one-way valve for controlling one-way circulation of blood from the intermediary barrel to the second needle head; a first moving driving mechanism for driving the supporting platform to lift so as to enable the first needle to be inserted into or removed from the liquid storage bottle through the first rubber bottle stopper and enable the second needle to be inserted into or removed from the sampling bottle through the second rubber bottle stopper is arranged on the rack; the piston slides and sets up inside a medium section of thick bamboo, and the top cap setting is at a medium section of thick bamboo top, and the top cap setting is on the mount, is provided with on the mount to be used for driving piston reciprocating motion in a medium section of thick bamboo in order to with the blood pumping in the stock solution bottle to the second removal actuating mechanism in the sampling bottle, mount and control panel all set up in the frame, control panel and first removal actuating mechanism and second removal actuating mechanism be control connection respectively.

Preferably, be provided with the elasticity seat in the first standing groove, be provided with the first clamping groove of opening up on the elasticity seat, be provided with the elastic sleeve in the second standing groove, be provided with the second clamping groove of opening up on the elastic sleeve, first clamping groove notch department and second clamping groove notch department all are provided with the chamfer.

Preferably, the first one-way valve comprises a first support and a first valve plate, the first support is arranged on the inner wall of the liquid pumping pipe, and the first valve plate is arranged on the first support and is positioned at one end, far away from the first needle, of the liquid pumping pipe; the second one-way valve comprises a second support and a second valve plate, the second support is arranged on the inner wall of the infusion tube, and the second valve plate is arranged on the second support and located between the two ends of the infusion tube.

Preferably, the second valve plate is provided with an elastic ring on the outer peripheral surface.

Preferably, the lower part of the piston is provided with an annular groove, the outer peripheral surface of the annular groove is provided with a connecting ring, and the connecting ring is contacted with the inner wall of the intermediate cylinder.

Preferably, the first moving driving mechanism and the second moving driving mechanism are both electric push rods, sliding rods are arranged at the bottoms of the supporting platforms, penetrate through the rack and are in sliding connection with the rack, and limiting platforms are arranged at the bottoms of the sliding rods.

Preferably, the bottom of the rack is provided with a caster, the caster is provided with an edge brake, and the caster array is provided with a plurality of casters.

In another aspect, the present invention provides a method for using the medical blood purification detection device, including the following steps:

s1, placing a liquid storage bottle containing blood into a first placing groove, and placing a sampling bottle needing to contain a blood sample into a second placing groove;

s2, controlling a first movement driving mechanism through a control panel, wherein the first movement driving mechanism drives a support platform to ascend, a first needle head penetrates through a first rubber bottle stopper and extends into a liquid storage bottle, and a second needle head penetrates through a second rubber bottle stopper and extends into a sampling bottle;

s3, a second movement driving mechanism is controlled through a control panel, the second movement driving mechanism drives a piston to reciprocate in an intermediary cylinder, when the piston moves towards a position far away from the communication position of a liquid pumping pipe and the intermediary cylinder, a first one-way valve is opened, a second one-way valve is closed, blood in a liquid storage bottle sequentially passes through a first needle and the liquid pumping pipe and enters the intermediary cylinder, when the piston moves towards the communication position of the liquid pumping pipe and the intermediary cylinder, the first one-way valve is closed, the second one-way valve is opened, and the blood in the intermediary cylinder sequentially passes through a liquid conveying pipe and a second needle and enters a sampling bottle;

s4, controlling a first movement driving mechanism through a control panel, wherein the first movement driving mechanism drives a tray table to move downwards, so that a first needle head is moved out of a liquid storage bottle, and a second needle head is moved out of a sampling bottle;

and S5, taking down the sampling bottle, putting the sampling bottle into a detection cabin, and detecting the blood in the sampling bottle.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:

the technical scheme of the invention can conveniently sample blood, ensure the sanitation of the blood sampling process and the accuracy of the subsequent detection result. When the blood sample collecting device is used, a liquid storage bottle containing blood is placed in the first placing groove, and a sampling bottle needing to contain a blood sample is placed in the second placing groove; the first moving driving mechanism is controlled by the control panel and drives the support platform to ascend, the first needle head penetrates through the first rubber bottle stopper at the top and extends into the liquid storage bottle, and the second needle head penetrates through the second rubber bottle stopper at the top and extends into the sampling bottle; the second movement driving mechanism is controlled by the control panel, the second movement driving mechanism drives the piston to reciprocate in the intermediary barrel, when the piston moves towards a direction far away from the communication position of the liquid pumping pipe and the intermediary barrel, the first one-way valve is opened, the second one-way valve is closed, air negative pressure is generated between the intermediary barrel and the piston, blood in the liquid storage bottle sequentially passes through the first needle head and the liquid pumping pipe under the action of the air negative pressure and enters the intermediary barrel, when the piston moves towards the communication position of the liquid pumping pipe and the intermediary barrel, the first one-way valve is closed, the second one-way valve is opened, and under the thrust action of the piston, the blood in the intermediary barrel sequentially passes through the liquid conveying pipe and the second needle head and enters the sampling bottle; then, a first moving driving mechanism is controlled by a control panel and drives the tray table to move downwards, so that the first needle head is moved out of the liquid storage bottle, and the second needle head is moved out of the sampling bottle; at this time, the sampling bottle is taken down and put into the detection cabin, and the blood in the sampling bottle is detected. Through setting up multiunit flowing back subassembly, can once only add blood sample to a plurality of sampling bottles, the sample is efficient, and the blood sample in a plurality of sampling bottles can be used for the detection of different projects, guarantees the comprehensiveness that blood detected.

Drawings

Fig. 1 is a schematic structural diagram of a medical blood purification detection device according to the present invention.

Fig. 2 is a partial structural sectional view of a medical blood purification detection device according to the present invention.

Fig. 3 is an enlarged view of the structure of fig. 2 at a.

Fig. 4 is an enlarged view of the structure of fig. 2 at B according to the present invention.

Fig. 5 is an enlarged view of the structure of fig. 2 at C according to the present invention.

Fig. 6 is an enlarged view of the structure of fig. 2 according to the present invention at D.

Reference numerals: 100. a detection cabin; 1. a saddle; 101. a first placing groove; 102. a second placing groove; 2. a liquid storage bottle; 201. a first rubber stopper; 3. sampling a bottle; 301. a second rubber stopper; 4. an elastic sleeve; 51. a liquid pumping pipe; 52. a first needle; 53. a first check valve; 531. a first bracket; 532. a first valve plate; 61. a transfusion tube; 62. a second needle; 63. a second one-way valve; 631. a second bracket; 632. a second valve plate; 633. an elastic ring; 7. an intermediary barrel; 8. a piston; 9. a connecting ring; 10. a top cover; 11. a first movement driving mechanism; 12. a second movement driving mechanism; 13. a slide bar; 14. a limiting table; 15. a fixed mount; 16. a control panel; 17. a frame; 18. and a caster.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-6, the medical blood purification detection device provided by the present invention comprises a detection chamber 100, a support table 1, a liquid storage bottle 2, a sampling bottle 3, a liquid pumping assembly, a liquid drainage assembly, an intermediary cylinder 7, a piston 8, a top cover 10, a fixing frame 15, a control panel 16 and a frame 17;

the detection cabin 100 is arranged on the rack 17, a first placing groove 101 for placing the liquid storage bottle 2 and a second placing groove 102 for placing the sampling bottle 3 are arranged at the top of the supporting platform 1, a first rubber bottle stopper 201 is arranged at the top of the liquid storage bottle 2, and a second rubber bottle stopper 301 is arranged at the top of the sampling bottle 3; the liquid pumping assembly comprises a liquid pumping pipe 51 and a first needle 52, the liquid pumping pipe 51 and the intermediary barrel 7 are sequentially communicated, and the liquid pumping pipe 51 is provided with a first one-way valve 53 for controlling the one-way circulation of blood from the first needle 52 to the intermediary barrel 7; the liquid discharging assemblies are provided with a plurality of groups, each liquid discharging assembly comprises an infusion tube 61 and a second needle 62, the intermediary tube 7, the infusion tube 61 and the second needle 62 are sequentially communicated, and the infusion tube 61 is provided with a second one-way valve 63 for controlling one-way circulation of blood from the intermediary tube 7 to the second needle 62; the rack 17 is provided with a first movement driving mechanism 11 for driving the tray table 1 to ascend and descend so as to enable the first needle 52 to be inserted into or removed from the liquid storage bottle 2 through the first rubber bottle stopper 201 and enable the second needle 62 to be inserted into or removed from the sampling bottle 3 through the second rubber bottle stopper 301; piston 8 slides and sets up inside intermediary section of thick bamboo 7, top cap 10 sets up at intermediary section of thick bamboo 7 top, top cap 10 sets up on mount 15, be provided with on mount 15 and be used for driving piston 8 in intermediary section of thick bamboo 7 reciprocating motion in order to with the blood pump in the stock solution bottle 2 to the second in the sampling bottle 3 remove actuating mechanism 12, mount 15 and control panel 16 all set up on frame 17, control panel 16 and first removal actuating mechanism 11 and second remove actuating mechanism 12 control connection respectively.

The embodiment of the invention can conveniently sample blood, ensure the sanitation of the blood sampling process and ensure the accuracy of the subsequent detection result. When in use, the liquid storage bottle 2 containing blood is placed in the first placing groove 101, and the sampling bottle 3 needing to contain a blood sample is placed in the second placing groove 102; the first moving driving mechanism 11 is controlled by the control panel 16, the first moving driving mechanism 11 drives the pallet 1 to ascend, the first needle 52 penetrates through the first rubber bottle stopper 201 at the top and extends into the liquid storage bottle 2, and the second needle 62 penetrates through the second rubber bottle stopper 301 at the top and extends into the sampling bottle 3; the second movement driving mechanism 12 is controlled by the control panel 16, the second movement driving mechanism 12 drives the piston 8 to reciprocate in the intermediary cylinder 7, when the piston 8 moves to a direction away from the communication position of the liquid pumping tube 51 and the intermediary cylinder 7, the first one-way valve 53 is opened, the second one-way valve 63 is closed, air negative pressure is generated between the intermediary cylinder 7 and the piston 8, blood in the liquid storage bottle 2 passes through the first needle 52 and the liquid pumping tube 51 in sequence under the action of the air negative pressure and enters the intermediary cylinder 7, when the piston 8 moves to the communication position of the liquid pumping tube 51 and the intermediary cylinder 7, the first one-way valve 53 is closed, the second one-way valve 63 is opened, and under the thrust action of the piston 8, the blood in the intermediary cylinder 7 passes through the liquid conveying tube 61 and the second needle 62 in sequence and enters the sampling bottle 3; then, the first moving driving mechanism 11 is controlled by the control panel 16, the first moving driving mechanism 11 drives the tray table 1 to move downwards, so that the first needle 52 is moved out of the liquid storage bottle 2, and the second needle 62 is moved out of the sampling bottle 3; at this time, the sampling bottle 3 is removed, and the sampling bottle 3 is placed in the detection chamber 100 to detect the blood in the sampling bottle 3. Through setting up multiunit flowing back subassembly, can once only add blood sample to a plurality of sampling bottles 3, the sample is efficient, and the blood sample in a plurality of sampling bottles 3 can be used for the detection of different projects, guarantees the comprehensiveness of blood detection.

In an alternative embodiment, an elastic seat is disposed in the first placing groove 101, a first clamping groove with an upward opening is disposed on the elastic seat, an elastic sleeve 4 is disposed in the second placing groove 102, a second clamping groove with an upward opening is disposed on the elastic sleeve 4, and chamfers are disposed at both the first clamping groove and the second clamping groove.

It should be noted that the liquid storage bottle 2 can be placed in the first clamping groove of the elastic seat, and the sampling bottle 3 can be placed in the second clamping groove of the elastic sleeve 4, so that the stability and the safety of placing the liquid storage bottle 2 and the sampling bottle 3 can be improved.

In an alternative embodiment, the first check valve 53 includes a first bracket 531 and a first valve plate 532, the first bracket 531 is disposed on the inner wall of the liquid extracting tube 51, and the first valve plate 532 is disposed on the first bracket 531 and located at an end of the liquid extracting tube 51 far from the first needle 52; the second one-way valve 63 includes a second bracket 631 and a second valve plate 632, the second bracket 631 is disposed on the inner wall of the infusion tube 61, and the second valve plate 632 is disposed on the second bracket 631 and located between the two ends of the infusion tube 61.

When blood is fed from the liquid storage bottle 2 into the intermediary tube 7, the first valve sheet 532 is elastically deformed upward, the first valve sheet 532 unblocks the liquid suction tube 51, blood smoothly enters the intermediary tube 7, and the second valve sheet 632 keeps a state of blocking the liquid delivery tube 61. When blood is transferred from the inside of the intermediary tube 7 to the inside of the sampling bottle 3, the second valve plate 632 is elastically deformed in a direction away from the intermediary tube 7, and the first valve plate 532 keeps a state of blocking the aspirating tube 51, so that the blood in the intermediary tube 7 can smoothly enter the inside of the sampling bottle 3.

In an alternative embodiment, the second valve plate 632 is provided with an elastic ring 633 on its outer circumference.

When the second valve sheet 632 closes the infusion tube 61, the elastic ring 633 can improve the closing effect.

In an alternative embodiment, the lower portion of the piston 8 is provided with an annular groove, and the outer periphery of the annular groove is provided with a connecting ring 9, and the connecting ring 9 is in contact with the inner wall of the intermediate cylinder 7.

It should be noted that, by providing the connection ring 9, the sealing effect of the connection with the intermediary cylinder 7 can be improved, and it can be ensured that air is not easy to enter the bottom of the intermediary cylinder 7 through the gap between the piston 8 and the intermediary cylinder 7.

In an alternative embodiment, the first movement driving mechanism 11 and the second movement driving mechanism 12 are both electric push rods, the bottom of the pallet 1 is provided with a sliding rod 13, the sliding rod 13 penetrates through the rack 17 and is slidably connected with the rack 17, and the bottom of the sliding rod 13 is provided with a limit table 14.

It should be noted that the support and guide function of the pallet 1 can be improved by providing the slide rod 13, and the slide rod 13 can be prevented from falling upward by providing the stopper table 14.

In an alternative embodiment, the bottom of the frame 17 is provided with casters 18, the casters 18 are provided with edge brakes, and the array of casters 18 is provided with a plurality of casters, so that the casters can be flexibly moved, transported and fixed according to use needs.

The invention provides a using method of the medical blood purification detection device, which comprises the following steps:

s1, placing the liquid storage bottle 2 containing blood into the first placing groove 101, and placing the sampling bottle 3 needing to contain a blood sample into the second placing groove 102;

s2, the first moving driving mechanism 11 is controlled through the control panel 16, the first moving driving mechanism 11 drives the tray table 1 to ascend, the first needle 52 penetrates through the first rubber bottle stopper 201 and extends into the liquid storage bottle 2, the second needle 62 penetrates through the second rubber bottle stopper 301 and extends into the sampling bottle 3, and therefore the needle inserting is accurate, manual needle inserting is avoided, and needle inserting efficiency is improved;

s3, the second movement driving mechanism 12 is controlled by the control panel 16, the second movement driving mechanism 12 drives the piston 8 to reciprocate in the intermediary cylinder 7, when the piston 8 moves to the direction far away from the communication part of the liquid suction pipe 51 and the intermediary cylinder 7, the first one-way valve 53 is opened, the second one-way valve 63 is closed, the blood in the liquid storage bottle 2 passes through the first needle 52 and the liquid suction pipe 51 in sequence and enters the intermediary cylinder 7, when the piston 8 moves to the communication part of the liquid suction pipe 51 and the intermediary cylinder 7, the first one-way valve 53 is closed, the second one-way valve 63 is opened, the blood in the intermediary cylinder 7 passes through the liquid conveying pipe 61 and the second needle 62 in sequence and enters the sampling bottle 3, and the purpose of sampling the blood more hygienically is realized;

s4, the first moving driving mechanism 11 is controlled through the control panel 16, the first moving driving mechanism 11 drives the tray table 1 to move downwards, so that the first needle 52 moves out of the liquid storage bottle 2, the second needle 62 moves out of the sampling bottle 3, the first rubber bottle stopper 201 and the second rubber bottle stopper 301 can automatically contract to seal gaps at the insertion needle, blood cannot be exposed in air, and the sanitation of sampling is guaranteed;

s5, the sampling bottle 3 is taken down, the sampling bottle 3 is placed in the detection cabin 100, blood in the sampling bottle 3 is detected, and the detection result accuracy is higher.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A medical detection device for blood purification is characterized by comprising a detection cabin (100), a supporting platform (1), a liquid storage bottle (2), a sampling bottle (3), a liquid pumping assembly, a liquid drainage assembly, an intermediary barrel (7), a piston (8), a top cover (10), a fixing frame (15), a control panel (16) and a rack (17);

the detection cabin (100) is arranged on the rack (17), a first placing groove (101) for placing the liquid storage bottle (2) and a second placing groove (102) for placing the sampling bottle (3) are arranged at the top of the supporting platform (1), a first rubber bottle stopper (201) is arranged at the top of the liquid storage bottle (2), and a second rubber bottle stopper (301) is arranged at the top of the sampling bottle (3); the liquid extracting component comprises a liquid extracting pipe (51) and a first needle (52), the liquid extracting pipe (51) and the intermediary barrel (7) are communicated in sequence, and a first one-way valve (53) used for controlling the one-way circulation of blood from the first needle (52) to the intermediary barrel (7) is arranged on the liquid extracting pipe (51); the liquid discharging components are provided with a plurality of groups, each liquid discharging component comprises an infusion tube (61) and a second needle (62), the intermediary barrel (7), the infusion tube (61) and the second needle (62) are communicated in sequence, and the infusion tube (61) is provided with a second one-way valve (63) used for controlling one-way circulation of blood from the intermediary barrel (7) to the second needle (62); a first movement driving mechanism (11) which is used for driving the tray table (1) to ascend and descend so as to enable the first needle head (52) to be inserted into or removed from the liquid storage bottle (2) through the first rubber bottle stopper (201) and enable the second needle head (62) to be inserted into or removed from the sampling bottle (3) through the second rubber bottle stopper (301) is arranged on the rack (17); piston (8) slide to set up inside intermediary section of thick bamboo (7), top cap (10) set up at intermediary section of thick bamboo (7) top, top cap (10) set up on mount (15), be provided with on mount (15) and be used for driving piston (8) in intermediary section of thick bamboo (7) reciprocating motion with the blood pumping in the stock solution bottle (2) to second removal actuating mechanism (12) in sampling bottle (3), mount (15) and control panel (16) all set up on frame (17), control panel (16) and first removal actuating mechanism (11) and second removal actuating mechanism (12) are control connection respectively.

2. The medical detection device for blood purification according to claim 1, wherein an elastic seat is arranged in the first placement groove (101), a first clamping groove with an upward opening is arranged on the elastic seat, an elastic sleeve (4) is arranged in the second placement groove (102), a second clamping groove with an upward opening is arranged on the elastic sleeve (4), and chamfers are arranged at the first clamping groove and the second clamping groove.

3. The medical blood purification detection device as claimed in claim 1, wherein the first one-way valve (53) comprises a first bracket (531) and a first valve plate (532), the first bracket (531) is arranged on the inner wall of the liquid suction pipe (51), and the first valve plate (532) is arranged on the first bracket (531) and is positioned at one end of the liquid suction pipe (51) far away from the first needle (52); the second one-way valve (63) comprises a second support (631) and a second valve plate (632), the second support (631) is arranged on the inner wall of the infusion tube (61), and the second valve plate (632) is arranged on the second support (631) and located between two ends of the infusion tube (61).

4. The medical detection device for blood purification according to claim 3, wherein the second valve plate (632) is provided with an elastic ring (633) on its outer circumference.

5. The medical blood purification test device as claimed in claim 1, wherein the lower portion of the piston (8) is provided with an annular groove, the outer peripheral surface of the annular groove is provided with a connecting ring (9), and the connecting ring (9) is in contact with the inner wall of the intermediate cylinder (7).

6. The medical blood purification detection device as claimed in claim 1, wherein the first movement driving mechanism (11) and the second movement driving mechanism (12) are both electric push rods, a sliding rod (13) is arranged at the bottom of the support table (1), the sliding rod (13) penetrates through the rack (17) and is slidably connected with the rack (17), and a limiting table (14) is arranged at the bottom of the sliding rod (13).

7. The medical blood purification detection device as claimed in claim 1, wherein a caster (18) is arranged at the bottom of the frame (17), an edge brake is arranged on the caster (18), and a plurality of casters (18) are arranged in an array.

8. A method of using the medical blood purification test device of claim 1, comprising the steps of:

s1, placing a liquid storage bottle (2) containing blood into a first placing groove (101), and placing a sampling bottle (3) needing to contain a blood sample into a second placing groove (102);

s2, controlling a first moving driving mechanism (11) through a control panel (16), driving a tray table (1) to ascend by the first moving driving mechanism (11), enabling a first needle (52) to penetrate through a first rubber bottle stopper (201) and extend into a liquid storage bottle (2), and enabling a second needle (62) to penetrate through a second rubber bottle stopper (301) and extend into a sampling bottle (3);

s3, a second movement driving mechanism (12) is controlled through a control panel (16), the second movement driving mechanism (12) drives a piston (8) to reciprocate in an intermediary cylinder (7), when the piston (8) moves towards a position far away from the communication position of a liquid suction pipe (51) and the intermediary cylinder (7), a first one-way valve (53) is opened, a second one-way valve (63) is closed, blood in a liquid storage bottle (2) sequentially passes through a first needle (52) and the liquid suction pipe (51) and enters the intermediary cylinder (7), when the piston (8) moves towards the communication position of the liquid suction pipe (51) and the intermediary cylinder (7), the first one-way valve (53) is closed, the second one-way valve (63) is opened, and the blood in the intermediary cylinder (7) sequentially passes through a liquid conveying pipe (61) and a second needle (62) and enters a sampling bottle (3);

s4, controlling a first movement driving mechanism (11) through a control panel (16), wherein the first movement driving mechanism (11) drives a tray table (1) to move downwards, so that a first needle (52) is moved out of a liquid storage bottle (2), and a second needle (62) is moved out of a sampling bottle (3);

s5, taking down the sampling bottle (3), putting the sampling bottle (3) into the detection cabin (100), and detecting the blood in the sampling bottle (3).