CN115090164A

CN115090164A - A stirring device for blood testing

Info

Publication number: CN115090164A
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: 2022-09-23
Anticipated expiration: 2042-07-05
Also published as: CN115090164B

Abstract

The invention discloses a stirring device for blood detection, which comprises an outer shell and is characterized in that: the top of the outer shell is fixedly provided with a rotating motor through welding, an output shaft of the rotating motor is movably connected with a rotating drum through a coupler, branch flow passages are uniformly formed in the rotating drum, the outer wall of the rotating drum is uniformly fixedly provided with stirring blades through welding, the outline of the inner wall of the outer shell is circular, one end of the rotating drum is connected with a blood storage hopper in a penetrating way, the stirring blades are of a hollow structure, the side wall of each stirring blade is provided with a nano semipermeable membrane, the inner wall of the outer shell is provided with an impurity filtering net, the impurity filtering net is adjacent to the opening of each stirring blade, one side of the outer shell is connected with a water pump through welding, the input end of the water pump is mutually communicated with the impurity filtering net, the output end of the water pump is communicated with a communicating pipe, and one end of the communicating pipe is communicated with a purification hopper. Has the characteristic of strong practicability.

Description

Stirring device for blood detection

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 plasma from red blood cells to obtain high-purity red blood cells and clear 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 broken red blood cells need to be manually removed in some red blood cell detection items, so that the operation is troublesome.

The red blood cell filtering nano semipermeable membrane is a high molecular membrane capable of separating serum from red blood cells, a patient can face the condition that a large amount of serum needs to be filtered in some medical operations, some impurities in the serum need to be filtered, and the problem of impure red blood cells can be caused if the nano semipermeable membrane is used for filtering together with the red blood cells, so that the purification is difficult, and the practicability is poor. Therefore, it is necessary to design a stirring device for blood test with high practicability.

Disclosure of Invention

The present invention is directed to a blood test stirring device to solve the problems of the background art.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an agitating unit for blood test, includes outer casing, its characterized in that: the top of outer casing is through welded fastening has the rotating electrical machines, 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 is evenly through welded fastening has stirring vane, the inner wall profile of outer casing is circular, the one end through connection of rotary drum has the blood storage fill.

According to the above technical scheme, stirring vane is hollow structure, the nanometer pellicle is installed to stirring vane's lateral wall, the impurity filter screen is installed to the inner wall of outer casing, and the impurity filter screen is adjacent with stirring vane's opening part, welded connection has the water pump through one side of outer casing, 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 the impurity filter screen is fixedly provided with an annular body through welding, through holes are uniformly formed in the annular body, and the size of the through holes is the same as that of the openings of the stirring blades.

According to the technical scheme, the side wall of the branch flow channel is movably connected with a flow blocking baffle through a hinge, one side of the flow blocking baffle is fixedly provided with a magnetic attraction block I through welding, the outer wall of the rotary drum is fixedly provided with a magnetic attraction block II through welding, and the magnetic attraction block I and the magnetic attraction block II are attracted through mutual magnetic attraction.

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

According to the technical scheme, the input end and the output end of the water pump are correspondingly provided with the third valve and the fourth valve, the first valve is connected between the fourth valve and the input end of the water pump in a penetrating mode, and the second valve is connected between the third valve and the output end of the water pump in a penetrating mode.

According to the technical scheme, the blood storage hopper and the purification hopper are connected through a pipeline in a through mode, and a butterfly valve is installed 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 manner, 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 the homogenization is finished, the stirring blades are static, and the inward pressure is generated by continuously pumping air inwards, so that the plasma is filtered and pumped into the purification hopper, the high-purity serum is convenient to extract, the extraction process does not need to be subjected to rotary centrifugal treatment, and the morphology of red blood cells can be maintained to a greater extent; when blood is collected, impurities contained in the blood are removed, and the impurities in the blood are prevented when the blood is collected.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

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

FIG. 3 is a schematic view of the centrifugal cylinder of the present invention;

FIG. 4 is a cross-sectional structural 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 drum; 31. branching the flow channel; 32. a flow blocking baffle; 321. a balancing weight; 322. a spring; 323. a first magnetic suction block; 324. a second magnetic block; 4. an impurity filter screen; 41. an annular body; 411. a through hole; 5. a communicating pipe; 6. a purification hopper; 61. a butterfly valve; 7. a blood storage funnel; 8. a stirring blade; 81. a nano-semipermeable membrane; 9. a water pump; 91. a first valve; 92. a second valve; 93. a third valve; 94. and a valve IV.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides an agitating unit for blood test, 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 rotating drum 3 through a coupler, branch runners 31 are uniformly formed in the rotating drum 3, the outer wall of the rotating drum 3 is uniformly fixedly provided with stirring blades 8 through welding, the outline of the inner wall of the outer shell 1 is circular, one end of the rotating drum 3 is connected with a blood storage hopper 7 in a penetrating manner, and when the blood storage hopper is used, the output shaft of the rotating drum 3 is driven to rotate by starting the rotating motor 2, so that the blood is subjected to uniformity treatment;

the stirring blade 8 is of a hollow structure, a nano semipermeable membrane 81 is installed on the side wall of the stirring blade 8, an impurity filter screen 4 is installed on the inner wall of the outer shell 1, the impurity filter screen 4 is adjacent to an 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, 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 purification hopper 6, blood is pumped into the impurity filter screen 4 during stirring, and impurities contained in the blood are removed during blood collection;

the inner wall of the impurity filter screen 4 is fixed with an annular body 41 by welding, the annular body 41 is uniformly provided with through holes 411, the through holes 411 are the same as the opening size of the stirring blade 8, blood is contacted with the nano semipermeable membrane 81, when the stirring blade 8 rotates to the through holes 411, the stirring blade 8 is static after the uniformity is finished, the inward air suction is continued at the moment, an inward pressure is generated, so that the blood plasma is filtered and enters the through holes 411, and then the blood plasma is sucked into the purification hopper 6, and the red blood cells cannot pass through the nano semipermeable membrane and are blocked in the chamber of the outer shell 1, so that the high-purity blood serum can be extracted conveniently, the extraction process does not need to be subjected to rotary centrifugal treatment, and the morphology of the red blood cells can be maintained to a greater degree;

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 magnetic suction block I323 through welding, the outer wall of the rotary drum 3 is fixedly provided with a magnetic suction block II 324 through welding, the magnetic suction block I323 and the magnetic suction block II 324 are mutually magnetically attracted, when blood is accumulated, at the moment, the flow blocking baffle 32 blocks the blood in the branch flow channel 31 and cannot flow out due to the mutual magnetic attraction action of the magnetic suction block I323 and the magnetic suction block II 324, the rotation is carried out until the start, and a filtering effect can be formed in a short time until the flow blocking baffle 32 is pushed open by the centrifugal force of the blood, so that the whole plane of the nano semipermeable membrane 81 is fully utilized, and the problem that the nano semipermeable membrane at the bottom is excessively used and the nano semipermeable membrane at the top is idle for a long time due to the slow flow of the blood is solved;

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 centrifugal force of the balancing weight 321 is small and is not enough to form conduction, when the stirring blade rotates at a high speed, the flow-resisting 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 flushed down, the filtering effect of the nano semipermeable membrane 81 is improved at the moment, continuous filtering can be conveniently performed when a large amount of blood is faced at one time, and the nano semipermeable membrane 81 does not need to be frequently replaced;

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 manner, a valve II 92 is connected between the valve III 93 and the output end of the water pump 9 in a penetrating manner, when the water pump is in normal use, the valve III 93 and the valve IV 94 are opened, the valve I91 and the valve II 92 are closed, so that liquid can be pumped outwards, when reverse cleaning is performed, the valve III 93 and the valve IV 94 are closed, the valve I91 and the valve II 92 are opened, and cleaning liquid can be pumped into the stirring blade 8 reversely to realize reverse cleaning;

the blood storage hopper 7 is communicated with the purification hopper 6 through a pipeline, the butterfly valve 61 is arranged between the blood storage hopper 7 and the purification hopper 6, the butterfly valve 61 is closed in normal use to separate plasma and blood to be separated, when the blood storage hopper is used, the butterfly valve 61 is connected and distilled water is put in the blood storage hopper 7 and the purification hopper 6, a continuous loop can be formed for cleaning, and the cleaning of medical staff is facilitated;

the upper end of the rotary drum 3 is connected with a vent pipe in a through mode, the vent pipe extends out of the outer wall of the outer shell body 1, when blood begins to flow into the rotary drum 3, redundant air can be discharged into the vent pipe and discharged, and the blood can be collected smoothly in the rotary drum 3 conveniently.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stirring device for blood testing, comprising an outer shell (1), characterized in that: the top of the outer shell (1) is fixed with a rotary motor (2) by welding, and the rotary motor (2) ) output shaft is movably connected with a rotating drum (3) through a coupling, the interior of the rotating drum (3) is evenly provided with branch flow channels (31), and the outer wall of the rotating drum (3) is evenly fixed by welding with In the stirring blade (8), the inner wall contour of the outer shell (1) is circular, and one end of the rotating drum (3) is connected with a blood storage bucket (7).

2. The stirring device for blood testing according to claim 1, characterized in that: the stirring blade (8) is a hollow structure, and a nanometer semipermeable membrane (81) is installed on the side wall of the stirring blade (8). ), an impurity filter screen (4) is installed on the inner wall of the outer shell (1), and the impurity filter screen (4) is adjacent to the opening of the stirring blade (8), and the outer shell (1) One side of the water pump (9) is connected by welding, the input end of the water pump (9) and the impurity filter screen (4) are connected to each other, and the output end of the water pump (9) is connected with a communication pipe (5), so A purification hopper (6) is connected through one end of the communicating pipe (5).

3. The stirring device for blood testing according to claim 2, wherein an annular body (41) is fixed on the inner wall of the impurity filter screen (4) by welding, and the annular body (41) is evenly A through hole (411) is opened, and the through hole (411) has the same size as the opening of the stirring blade (8).

4 . The stirring device for blood testing according to claim 3 , wherein the side wall of the branch flow channel ( 31 ) is movably connected with a flow blocking baffle ( 32 ) through a hinge, and the flow blocking baffle One side of the plate (32) is fixed with a magnetic block one (323) by welding, and the outer wall of the drum (3) is fixed with a second magnetic block (324) by welding. The second magnetic attraction block (324) is magnetically attracted to each other.

5. The stirring device for blood testing according to claim 4, wherein one side of the stirring blade (8) is fixedly connected with a spring (322) by welding, and one end of the spring (322) is installed There are counterweights (321).

6. A blood testing stirring device according to claim 5, characterized in that: the input end and the output end of the water pump (9) are correspondingly installed with valve three (93) and valve four (94), and the A valve one (91) is throughly connected between the fourth valve (94) and the input end of the water pump (9), and a second valve (92) is throughly connected between the third valve (93) and the output end of the water pump (9).

7. The stirring device for blood testing according to claim 6, characterized in that: the blood storage bucket (7) and the purification bucket (6) are connected through a pipeline, and the blood storage bucket (7) A butterfly valve (61) is installed between the purification bucket (6).

8 . The stirring device for blood testing according to claim 7 , wherein the upper end of the rotating drum ( 3 ) is connected with a ventilation tube, and the ventilation tube extends out of the outer wall of the outer shell ( 1 ). 9 .