CN115090164B

CN115090164B - Agitating unit for blood detects

Info

Publication number: CN115090164B
Application number: CN202210790896.2A
Authority: CN
Inventors: 张建明; 左元玲
Original assignee: Suzhou Municipal Hospital
Current assignee: Suzhou Municipal Hospital
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-05-02
Anticipated expiration: 2042-07-05
Also published as: CN115090164A

Abstract

The invention discloses a stirring device for blood detection, which comprises an outer shell, and is characterized in that: the invention discloses a water purifying device, which comprises an outer shell, wherein a rotating motor is fixedly welded at the top of the outer shell, an output shaft of the rotating motor is movably connected with a rotary drum through a coupler, a branch runner is uniformly arranged in the rotary drum, stirring blades are uniformly welded and fixedly arranged on the outer wall of the rotary drum, the outline of the inner wall of the outer shell is circular, one end of the rotary drum is in through connection with a blood storage bucket, the stirring blades are of hollow structures, a nanometer semipermeable membrane is arranged on the side wall of the stirring blades, an impurity filter screen is arranged on the inner wall of the outer shell and is adjacent to the opening of the stirring blades, a water pump is connected to one side of the outer shell through welding, the input end of the water pump is mutually communicated with the impurity filter screen, a communicating pipe is in through connection with one end of the communicating pipe, and the purifying bucket is characterized by high practicability.

Description

Agitating unit for blood detects

Technical Field

The invention relates to the technical field of blood extraction, in particular to a stirring device for blood detection.

Background

In blood detection, a centrifuge is required to separate blood plasma from red blood cells to obtain high-purity red blood cells and clear blood plasma, however, the high-speed centrifugation can cause rupture of some red blood cells in an aging period, so that some dead cells are mixed in the red blood cells, and the crushed red blood cells need to be manually removed in a detection project of some red blood cells, so that the operation is troublesome.

The erythrocyte filtration nano-semipermeable membrane is a high molecular membrane capable of separating serum from erythrocytes, a patient can face the condition that a large amount of serum is required to be filtered in some medical operations, some impurities possibly exist in the serum and need to be filtered, if the erythrocyte filtration nano-semipermeable membrane is utilized together with erythrocytes, the problem of erythrocyte impurity can be caused, purification is difficult, and the practicability is poor. Therefore, it is necessary to design a stirring device for blood test that has high practicality.

Disclosure of Invention

The present invention is directed to a stirring device for blood test, which solves the problems set forth in the background art.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a agitating unit for blood detects, includes outer casing, its characterized in that: the top of outer casing is fixed with the rotating electrical machines through welded fastening, the output shaft of rotating electrical machines has the rotary drum through shaft coupling swing joint, the branch runner has evenly been seted up to the inside of rotary drum, the outer wall of rotary drum evenly has stirring vane through welded fastening, the inner wall profile of outer casing is circular, the one end through connection of rotary drum has the blood storage bucket.

According to the technical scheme, stirring vane is hollow structure, nanometer semipermeable membrane is installed to stirring vane's lateral wall, impurity filter screen is installed to the inner wall of outer casing, and impurity filter screen is adjacent with stirring vane's opening part, one side of outer casing has the water pump through welded connection, the input and the impurity filter screen of water pump link up each other, the output through-connection of water pump has communicating pipe, the one end through-connection of communicating pipe has the purification to fight.

According to the technical scheme, the inner wall of impurity filter screen is fixed with the annular body through welding, evenly offered the through-hole on the annular body, the through-hole is the same with stirring vane's opening size.

According to the technical scheme, the side wall of the branch flow passage is movably connected with the flow blocking baffle through the hinge, one side of the flow blocking baffle is fixedly provided with the first magnetic attraction block through welding, the outer wall of the rotary drum is fixedly provided with the second magnetic attraction block through welding, and the first magnetic attraction block and the second magnetic attraction block are mutually magnetically attracted.

According to the technical scheme, one side of the stirring blade is fixedly connected with a spring through welding, and one end of the spring is provided with a balancing weight.

According to the technical scheme, the input end and the output end of the water pump are correspondingly provided with the valve III and the valve IV, the valve IV is connected with the input end of the water pump in a penetrating way, and the valve III is connected with the output end of the water pump in a penetrating way.

According to the technical scheme, the blood storage hopper and the purification hopper are connected through the pipeline in a penetrating way, and a butterfly valve is arranged between the blood storage hopper and the purification hopper.

According to the technical scheme, the upper end of the rotary drum is connected with the vent pipe in a penetrating way, and the vent pipe extends out of the outer wall of the outer shell.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, when uniformity is finished, the stirring blade is enabled to be static, and at the moment, inward pressure is generated by continuing to pump air inwards, so that plasma is pumped into the purification hopper through filtration, high-purity serum is conveniently extracted, and the extracted serum is subjected to rotary centrifugation Cheng Moxu, so that the form of red blood cells can be maintained to a greater extent; during blood collection, impurities contained in blood are removed, and the impurities in the blood during blood collection are prevented.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall hydraulic principle of the present invention;

FIG. 3 is a schematic view of the centrifuge bowl of the present invention;

FIG. 4 is a schematic cross-sectional view of a centrifuge bowl according to the present invention;

FIG. 5 is an enlarged schematic view of area A of FIG. 2 in accordance with the present invention;

in the figure: 1. an outer shell; 2. a rotating electric machine; 3. a rotating drum; 31. branching flow channels; 32. a choke baffle; 321. balancing weight; 322. a spring; 323. a first magnetic block; 324. a second magnetic block; 4. impurity filtering net; 41. an annular body; 411. a through hole; 5. a communicating pipe; 6. a purifying hopper; 61. butterfly valve; 7. a blood storage hopper; 8. stirring blades; 81. a nano semipermeable membrane; 9. a water pump; 91. a valve I; 92. a second valve; 93. a third valve; 94. and a valve IV.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a agitating unit for blood detects, includes outer casing 1, its characterized in that: the top of the outer shell 1 is fixedly provided with a rotating motor 2 through welding, an output shaft of the rotating motor 2 is movably connected with a rotary drum 3 through a coupler, a branch flow passage 31 is uniformly formed in the rotary drum 3, stirring blades 8 are uniformly fixed on the outer wall of the rotary drum 3 through welding, the outline of the inner wall of the outer shell 1 is circular, one end of the rotary drum 3 is in through connection with a blood storage hopper 7, and when the blood storage hopper is used, the output shaft of the rotating motor 2 drives the rotary drum 3 to rotate through starting the rotating motor, so that blood is uniformly treated;

the stirring vane 8 is of a hollow structure, the side wall of the stirring vane 8 is provided with a nano semipermeable membrane 81, the inner wall of the outer shell 1 is provided with an impurity filter screen 4, the impurity filter screen 4 is adjacent to the opening of the stirring vane 8, one side of the outer shell 1 is connected with a water pump 9 through welding, the input end of the water pump 9 is communicated with the impurity filter screen 4, the output end of the water pump 9 is communicated with a communicating pipe 5, one end of the communicating pipe 5 is communicated with a purifying hopper 6, and impurities contained in blood are removed by pumping the blood into the impurity filter screen 4 during stirring and collecting the blood;

the inner wall of the impurity filter screen 4 is fixedly provided with an annular body 41 through welding, the annular body 41 is uniformly provided with a through hole 411, the through hole 411 is the same as the opening of the stirring blade 8 in size, blood is in contact with the nano semipermeable membrane 81, when the stirring blade 8 rotates to the through hole 411, the stirring blade 8 is static after the uniform completion, and inward pressure is generated when the inward air suction is continued, so that plasma is filtered into the through hole 411 and then pumped into the purification bucket 6, red blood cells cannot pass through the nano semipermeable membrane and are blocked in a cavity of the outer shell 1, so that high-purity serum is conveniently extracted, the extracted serum passes through Cheng Moxu and is subjected to rotary centrifugation treatment, and the form of the red blood cells can be maintained to a large extent;

the side wall of the branch flow channel 31 is movably connected with a flow blocking baffle 32 through a hinge, one side of the flow blocking baffle 32 is fixedly provided with a first magnetic suction block 323 through welding, the outer wall of the rotary drum 3 is fixedly provided with a second magnetic suction block 324 through welding, the first magnetic suction block 323 and the second magnetic suction block 324 are mutually magnetically attracted, and when blood starts to be accumulated, the flow blocking baffle 32 blocks the blood in the branch flow channel 31 and cannot flow out until the blood starts to rotate due to the mutual magnetic attraction of the first magnetic suction block 323 and the second magnetic suction block 324 until the centrifugal force of the blood pushes the flow blocking baffle 32 open, a filtering effect can be formed in a short time at the moment, the whole plane of the nano semipermeable membrane 81 is fully utilized, and the problem that the nano semipermeable membrane at the top is idle for a long time due to the fact that the nano semipermeable membrane at the bottom is excessively used due to the slow flow of the blood is avoided;

one side of the stirring blade 8 is fixedly connected with a spring 322 through welding, one end of the spring 322 is provided with a balancing weight 321, when the stirring blade rotates at a low speed, the balancing weight 321 has small centrifugal force and is insufficient to form conduction, when the stirring blade rotates at a high speed, the flow blocking baffle 32 is instantly conducted, so that blood impacts the surface of the nano semipermeable membrane 81 at a high speed, red blood cells adhered to the nano semipermeable membrane 81 are dropped, the filtering effect of the nano semipermeable membrane 81 can be improved at the moment, the filtering can be carried out continuously when a large amount of blood is faced at one time conveniently, and the nano semipermeable membrane 81 does not need to be replaced frequently;

the input end and the output end of the water pump 9 are correspondingly provided with a valve III 93 and a valve IV 94, a valve I91 is connected between the valve IV 94 and the input end of the water pump 9 in a penetrating way, a valve II 92 is connected between the valve III 93 and the output end of the water pump 9 in a penetrating way, the valve III 93 and the valve IV 94 are opened, the valve I91 and the valve II 92 are closed when the water pump is used normally, so that liquid can be pumped outwards, the valve III 93 and the valve IV 94 are closed when reverse cleaning is carried out, the valve I91 and the valve II 92 are opened, cleaning liquid can be pumped into the stirring blade 8 reversely, and reverse cleaning is realized;

the blood storage hopper 7 and the purification hopper 6 are connected in a through way through a pipeline, a butterfly valve 61 is arranged between the blood storage hopper 7 and the purification hopper 6, the butterfly valve 61 is in a closed state during normal use, plasma and blood to be separated are separated, when the blood storage hopper 7 and the purification hopper 6 are used, the butterfly valve 61 is connected and distilled water is put into the blood storage hopper, a continuous loop can be formed for cleaning, and the blood storage hopper is convenient for medical staff to clean;

the upper end of the rotary drum 3 is connected with a vent pipe in a penetrating way, the vent pipe extends out of the outer wall of the outer shell 1, and when blood starts to flow into the rotary drum 3, redundant air can be discharged into the vent pipe and discharged, so that the interior of the rotary drum 3 is convenient for smoothly gathering blood.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a agitating unit for blood detects, includes outer casing (1), its characterized in that: the top of the outer shell (1) is fixedly provided with a rotating motor (2) through welding, an output shaft of the rotating motor (2) is movably connected with a rotary drum (3) through a coupling, a branch flow passage (31) is uniformly formed in the rotary drum (3), stirring blades (8) are uniformly fixed on the outer wall of the rotary drum (3) through welding, the outline of the inner wall of the outer shell (1) is circular, and one end of the rotary drum (3) is in through connection with a blood storage hopper (7);

the stirring blade (8) is of a hollow structure, a nanometer semipermeable membrane (81) is arranged on the side wall of the stirring blade (8), an impurity filter screen (4) is arranged on the inner wall of the outer shell (1), the impurity filter screen (4) is adjacent to the opening of the stirring blade (8), a water pump (9) is connected to one side of the outer shell (1) through welding, the input end of the water pump (9) is communicated with the impurity filter screen (4), a communicating pipe (5) is connected to the output end of the water pump (9), and a purifying bucket (6) is connected to one end of the communicating pipe (5);

an annular body (41) is fixed on the inner wall of the impurity filter screen (4) through welding, through holes (411) are uniformly formed in the annular body (41), and the through holes (411) are the same as the openings of the stirring blades (8);

the side wall of the branch flow passage (31) is movably connected with a flow blocking baffle (32) through a hinge, one side of the flow blocking baffle (32) is fixedly provided with a first magnetic attraction block (323) through welding, the outer wall of the rotary drum (3) is fixedly provided with a second magnetic attraction block (324) through welding, and the first magnetic attraction block (323) and the second magnetic attraction block (324) are mutually magnetically attracted;

one side of stirring vane (8) is through welded fixedly connected with spring (322), balancing weight (321) are installed to one end of spring (322).

2. The stirring device for blood test as set forth in claim 1, wherein: the input end and the output end of the water pump (9) are correspondingly provided with a valve III (93) and a valve IV (94), a valve I (91) is connected between the valve IV (94) and the input end of the water pump (9), and a valve II (92) is connected between the valve III (93) and the output end of the water pump (9).

3. The stirring device for blood test as set forth in claim 2, wherein: the blood storage hopper (7) is connected with the purification hopper (6) in a penetrating way through a pipeline, and a butterfly valve (61) is arranged between the blood storage hopper (7) and the purification hopper (6).

4. A blood test agitation apparatus according to claim 3, wherein: the upper end of the rotary drum (3) is connected with a vent pipe in a penetrating way, and the vent pipe extends out of the outer wall of the outer shell (1).