CN113447668A - Liquid transfer device for medical clinical laboratory - Google Patents
Liquid transfer device for medical clinical laboratory Download PDFInfo
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- CN113447668A CN113447668A CN202110907870.7A CN202110907870A CN113447668A CN 113447668 A CN113447668 A CN 113447668A CN 202110907870 A CN202110907870 A CN 202110907870A CN 113447668 A CN113447668 A CN 113447668A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1002—Reagent dispensers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
- G01N35/1016—Control of the volume dispensed or introduced
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0474—Details of actuating means for conveyors or pipettes
- G01N2035/0491—Position sensing, encoding; closed-loop control
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a liquid transfer device for a medical clinical laboratory, which comprises a detection workbench, an upper bearing piece, an inner conveying belt, an installation main frame, a detection device and a quantitative liquid transfer assembly, wherein the upper bearing piece is arranged on the upper bearing piece; the inspection workbench is characterized in that driving wheels are symmetrically arranged at four corners of the lower end face of the inspection workbench and used for driving and sliding on the ground, an inner conveying belt is transversely arranged in the inspection workbench and can rotate relatively, an upper bearing piece is conveyed on the inner conveying belt, and a plurality of liquid storage branch pipes are arranged in the upper bearing piece; a mounting main frame is vertically fixed in the middle of the upper end face of the inspection workbench, quantitative liquid transfer assemblies are arranged on the mounting main frame in a relatively sliding manner, and the quantitative liquid transfer assemblies quantitatively extract sample solution in the liquid storage branch pipes; and one side of the upper end surface of the inspection workbench is provided with an inspection device, and the inspection device is used for inspecting and analyzing the extracted sample solution in the quantitative liquid-transferring assembly in time.
Description
Technical Field
The invention relates to the technical field of medical examination equipment, in particular to a liquid transfer device for a medical examination department.
Background
Medical testing can be used for testing materials taken from human bodies in aspects of microbiology, immunology, biochemistry, genetics, biophysics, cytology and the like, so that information is provided for preventing, diagnosing and treating human diseases and evaluating human health. However, the volume of liquid transferred by the prior pipette is not accurate enough, and the left and right deviation of the liquid transfer amount can be caused by too much or too little force, so that the prior pipette needs to be adjusted again, and the error of medical inspection is increased. Accordingly, those skilled in the art have provided a pipette device for medical laboratory to solve the problems set forth in the background art described above.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a liquid-transfering device for medical clinical laboratory, which comprises a test workbench, an upper bearing piece, an inner conveyer belt, an installation main frame, a test device and a quantitative liquid-transfering component; the inspection workbench is characterized in that driving wheels are symmetrically arranged at four corners of the lower end face of the inspection workbench and used for driving and sliding on the ground, an inner conveying belt is transversely arranged in the inspection workbench and can rotate relatively, an upper bearing piece is conveyed on the inner conveying belt, and a plurality of liquid storage branch pipes are arranged in the upper bearing piece;
a mounting main frame is vertically fixed in the middle of the upper end face of the inspection workbench, quantitative liquid transfer assemblies are arranged on the mounting main frame in a relatively sliding manner, and the quantitative liquid transfer assemblies quantitatively extract sample solution in the liquid storage branch pipes;
and one side of the upper end surface of the inspection workbench is provided with an inspection device, and the inspection device is used for inspecting and analyzing the extracted sample solution in the quantitative liquid-transferring assembly in time.
Further, the quantitative pipetting assembly comprises a sliding body, a fixed support, a hydraulic telescopic cylinder and a liquid taking and storing device; the fixing support is provided with a sliding body piece, a transmission screw rod is transversely fixed in the mounting main frame, and the fixing support is arranged on the transmission screw rod through a limit way that the sliding body piece can slide relatively;
and a hydraulic telescopic cylinder is vertically arranged on the fixed support, and a liquid taking and storing device is fixed at the output end of the hydraulic telescopic cylinder and extends into the liquid storage branch pipe to take liquid.
Further, the liquid taking and storing device comprises an outer sealing pipe, a liquid taking head seat, a separation spacer, a micro liquid pumping assembly and a coarse liquid pumping assembly; the lower end face of the outer sealing pipe is coaxially fixed with a liquid taking head seat, and a separation spacer is vertically embedded and fixed in the outer sealing pipe;
the separation partition divides the outer sealing pipe into a liquid storage chamber I and a liquid storage chamber II with different volumes;
a micro liquid pumping assembly and a rough liquid pumping assembly are respectively and correspondingly arranged in the first liquid storage cavity and the second liquid storage cavity;
the rough liquid pumping assembly is used as a first liquid pumping device and is used for roughly pumping quantitative sample solution preliminarily;
the micro-pumping assembly is used as a second pumping device and used for calculating and pumping the residual sample solution.
Furthermore, the coarse liquid pumping device comprises a telescopic guide rod, a sealing plunger, a main support and a fixed sleeve seat; the upper end face of the outer sealing pipe is coaxially fixed with a fixed sleeve seat, telescopic guide rods are vertically and symmetrically fixed in the fixed sleeve seat, and one ends of the telescopic guide rods penetrate into the outer sealing pipe;
and a sealing plunger is arranged in the liquid storage chamber II and can slide vertically relatively, a main support is coaxially fixed at the upper end of the sealing plunger, and the output end of each telescopic guide rod is connected and fixed with the main support.
Further, the liquid subassembly of taking out a little includes fixed row seat, electric telescopic handle and connects the plunger, be located in the outer sealed tube but the vertical connection plunger that is provided with of relative slip in the stock solution cavity one, the vertical electric telescopic handle that is fixed with in the outer sealed tube, electric telescopic handle's output with it is fixed to connect the plunger to be connected, the lower terminal surface of stock solution cavity one still imbeds and is provided with fixed row seat.
Further, the liquid taking head seat further comprises an outer guide pipe, a connecting needle tube, a mounting shaft piece and a conveying and guiding branch pipe; one end of the outer guide pipe extends into and is fixed in the outer seal pipe, an installation shaft piece is coaxially fixed in the outer guide pipe, and a connection needle tube is vertically arranged on the lower end face of the installation shaft piece;
the upper end of the mounting shaft is communicated with a conveying and guiding branch pipe, and one end of the conveying and guiding branch pipe is communicated with the fixed row seat.
Furthermore, a central shaft plug is connected in the connecting plug column in a sealing manner and can slide relatively, a rotating disc piece is installed on the connecting plug column, and the rotating disc piece is connected and driven with a micro motor arranged on the connecting plug column through a gear meshing transmission function;
and a transmission and connection supporting rod is hinged on the rotary disc piece, and one end of the transmission and connection supporting rod is connected with the central shaft plug.
Furthermore, one side of the outer sealing pipe, which is close to the first liquid storage chamber, is communicated with a side discharge pipe, the cross section of the side discharge pipe is of a U-shaped structure, and the side discharge pipe and the conveying and guiding branch pipe are both provided with one-way discharge valves.
Compared with the prior art, the invention has the following beneficial effects:
in the invention, an inner conveyer belt is arranged on a test workbench and used for stably transporting various liquid storage branch pipes, the quantitative liquid transfer assembly realizes liquid transfer storage work in the test process, and the extracted sample solution is injected into a test device for test, thereby achieving the purpose of liquid transfer test; in the quantitative liquid transfer assembly, the outer sealing pipe is divided into a liquid storage chamber I and a liquid storage chamber II with different volumes by a separation partition, a micro liquid pumping assembly and a rough liquid pumping assembly are respectively arranged in the corresponding liquid storage chamber I and the liquid storage chamber II, the rough liquid pumping assembly is used as a first liquid pumping device for roughly pumping quantitative sample solution preliminarily, and the micro liquid pumping assembly is used as a second liquid pumping device for calculating and pumping residual sample solution, so that the quantitative liquid transfer purpose is realized; a central shaft plug is also slidably arranged in the connecting plug column, and on one hand, the central shaft plug can be driven by the rotation of the rotating disc piece to vertically slide and extract in a reciprocating manner through the transfer connecting supporting rod and is discharged into the second liquid storage chamber through a one-way drain valve on the side discharge pipe, so that the primary rough liquid taking amount can be accurately controlled, and the later liquid taking calculation steps can be reduced; and the other side can perform micro-extraction on the residual sample solution in vertical sliding so as to grasp the extraction precision.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the quantitative pipetting assembly of the present invention;
FIG. 3 is a schematic structural diagram of a liquid-extracting and storing apparatus according to the present invention;
FIG. 4 is a schematic view of the rough pumping assembly according to the present invention;
FIG. 5 is a schematic view of a micro-pumping assembly according to the present invention;
FIG. 6 is a schematic view of a liquid-extracting head base according to the present invention;
FIG. 7 is a schematic cross-sectional view of a connecting plug according to the present invention;
in the figure: 1 inspection workbench, 2 upper bearing piece, 3 inner conveying belt, 4 inspection device, 5 quantitative liquid-transfering component, 501 fixed support, 502 sliding body piece, 503 hydraulic telescopic cylinder, 504 transmission screw, 6 mounting main frame, 7 liquid-fetching storage device, 701 outer sealing pipe, 702 separation spacing piece, 703 liquid-fetching head seat, 704 outer guide pipe, 705 mounting shaft piece, 706 connecting needle tube, 707 guiding branch pipe, 8 micro liquid-pumping component, 801 electric telescopic rod, 802 connecting plug column, 803 fixing row seat, 804 rotating disk piece, 805 micro motor, 806 connecting support rod, 807 central shaft plug, 9 coarse liquid-pumping component, 901 sealing plug column, 902 main support column, 903 telescopic guide rod and 904 fixing sleeve seat.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, a pipetting device for medical clinical laboratory includes a testing table 1, an upper carrier 2, an inner conveyor belt 3, a mounting main frame 6, a testing device 4, and a quantitative pipetting assembly 5; the inspection workbench comprises an inspection workbench 1, wherein driving wheels are symmetrically arranged at four corners of the lower end face of the inspection workbench 1 and used for driving and sliding on the ground, an inner conveying belt 3 is transversely arranged in the inspection workbench 1 and can rotate relatively, an upper bearing piece 2 is conveyed on the inner conveying belt 3, and a plurality of liquid storage branch pipes are arranged in the upper bearing piece 2;
a mounting main frame 6 is vertically fixed in the middle of the upper end face of the inspection workbench 1, quantitative liquid-transfering assemblies 5 are arranged on the mounting main frame 6 in a relatively sliding manner, and the quantitative liquid-transfering assemblies 5 quantitatively extract sample solutions in the liquid storage branch pipes;
and, inspection device 4 is equipped with on one side of the up end of inspection workstation 1, inspection device 4 in time inspects the analysis to the extraction sample solution in the ration moves the liquid subassembly 5, moves the liquid subassembly through the ration and realizes that automatic liquid of getting is carried, provides and gets the liquid precision.
In this embodiment, the quantitative pipetting assembly 5 comprises a sliding body 502, a fixed bracket 501, a hydraulic telescopic cylinder 503 and a liquid taking and storing device 7; a sliding body member 502 is mounted on the fixing bracket 501, a transmission screw 504 is transversely fixed in the mounting main frame 6, and the fixing bracket 501 is arranged on the transmission screw 504 through a limit that the sliding body member 502 can slide relatively;
and a hydraulic telescopic cylinder 503 is vertically installed on the fixed support 501, a liquid taking and storing device 7 is fixed at the output end of the hydraulic telescopic cylinder 503, and the liquid taking and storing device 7 extends into the liquid storage branch pipe to carry out liquid taking work, so that the liquid taking and storing device is required to be completely immersed into the liquid storage branch pipe for preventing bubbles from being generated in the liquid taking process and influencing the liquid taking precision, and vertically stands for 3-5 s after the liquid taking is completed, so that the liquid adhesion is prevented.
In a preferred embodiment, the liquid taking and storing device 7 comprises an outer sealing pipe 701, a liquid taking head seat 703, a separation partition 702, a micro liquid pumping assembly 8 and a rough liquid pumping assembly 9; a liquid taking head seat 703 is coaxially fixed on the lower end surface of the outer sealing pipe 701, and a separation spacer 702 is vertically embedded and fixed in the outer sealing pipe 701;
the separation partition 702 divides the inside of the outer sealing pipe 701 into a first liquid storage chamber and a second liquid storage chamber with different volumes;
a micro liquid pumping assembly 8 and a rough liquid pumping assembly 9 are respectively and correspondingly arranged in the first liquid storage cavity and the second liquid storage cavity;
the rough liquid pumping component 9 is used as a first liquid pumping device and is used for roughly pumping quantitative sample solution preliminarily;
the micro-pumping assembly 8 is used as a second pumping device and used for calculating and pumping residual sample solution, and integrally dividing the liquid transferring step into preliminary liquid taking and calculating liquid taking, so that the liquid taking precision can be effectively improved.
In this embodiment, the rough liquid pumping device 9 includes a telescopic guide rod 903, a sealing plunger 901, a main pillar 902, and a fixed sleeve seat 904; a fixed sleeve seat 904 is coaxially fixed on the upper end face of the outer sealing pipe 701, telescopic guide rods 903 are vertically and symmetrically fixed in the fixed sleeve seat 904, and one ends of the telescopic guide rods 903 penetrate through the outer sealing pipe 701;
a sealing plunger 901 is arranged in the second liquid storage chamber in a relatively vertical sliding manner, a main support 902 is coaxially fixed at the upper end of the sealing plunger 901, and the output end of each telescopic guide rod 902 is connected and fixed with the main support 902.
In this embodiment, the micro-pumping assembly 8 includes a fixed row seat 803, an electric telescopic rod 801 and a connecting plug 802, the connecting plug 802 is vertically arranged in the outer sealing pipe 701 in the first liquid storage chamber in a manner of being capable of sliding relatively, the electric telescopic rod 801 is vertically fixed in the outer sealing pipe 701, the output end of the electric telescopic rod 801 is connected and fixed with the connecting plug 802, the fixed row seat 803 is further embedded in the lower end face of the first liquid storage chamber, the highest liquid levels of the first liquid storage chamber and the second liquid storage chamber are in a state of equal height, and the volume of the first liquid storage chamber is half of the volume of the second liquid storage chamber.
In this embodiment, the liquid taking head base 703 further comprises an external guide tube 704, a connecting needle tube 706, a mounting shaft 705 and an input branch tube 707; one end of the outer guide tube 704 extends into and is fixed in the outer seal tube 701, an installation shaft member 705 is coaxially fixed in the outer guide tube 704, and a connecting needle tube 706 is vertically arranged on the lower end face of the installation shaft member 705;
the upper end of the mounting shaft 705 is communicated with a delivery branch pipe 707, one end of the delivery branch pipe 707 is communicated with the fixed row seat 803, so that the corresponding crude liquid pumping device can take liquid through the outer guide pipe, and the micro liquid pumping assembly can take liquid accurately through the connecting needle tube.
In a preferred embodiment, a central shaft plug 807 is connected in the connecting plug 802 in a relatively slidable and sealed manner, a rotating disc 804 is mounted on the connecting plug 802, and the rotating disc 804 is connected with a micro motor 805 arranged on the connecting plug 802 for transmission through a gear meshing transmission function;
a transmission support rod 806 is hinged on the rotating disc 804, and one end of the transmission support rod 806 is connected with the central shaft plug 807.
In this embodiment, one side of the outer sealing pipe 701, which is close to the first liquid storage chamber, is communicated with a side discharge pipe, the cross section of the side discharge pipe is of a U-shaped structure, and the side discharge pipe and the delivery branch pipe 707 are both provided with a one-way discharge valve, so that the central shaft plug can be used for precise liquid taking during micro-pumping work, and reciprocating liquid taking of the central shaft plug can perform liquid supplementing work during rough liquid pumping work through the side discharge pipe, so as to improve liquid taking and reading precision.
Specifically, in medical inspection liquid transfer, a plurality of liquid storage branch pipes are held by an upper bearing piece, an inner conveying belt conveys the liquid storage branch pipes to the position under a quantitative liquid transfer assembly, the liquid storage branch pipes extend into a liquid taking storage device to carry out liquid taking work, a coarse liquid pumping assembly preferentially carries out constant-pressure pumping through a sealing plunger, in order to facilitate later-stage calculation reading, liquid can be supplemented through the vertical reciprocating liquid pumping drainage work of a central shaft plug in a connecting plug column, residual sample solution is calculated and extracted through the connecting plug column, meanwhile, the central shaft plug can carry out micro liquid pumping work, and liquid taking precision is improved; the sliding body part transmits the liquid taking and storing device to the upper part of the testing device along the transmission lead screw, and the testing device tests the extracted sample solution.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A liquid transfer device for a medical clinical laboratory comprises a test workbench (1), an upper bearing piece (2), an inner conveying belt (3), an installation main frame (6), a test device (4) and a quantitative liquid transfer assembly (5); wherein, the lower terminal surface four corners position symmetry of inspection workstation (1) is provided with the drive wheel for it slides subaerial to go, but relative pivoted transversely is provided with interior conveyer belt (3) in inspection workstation (1), the transmission has last carrier (2), its characterized in that on interior conveyer belt (3): a plurality of liquid storage branch pipes are arranged in the upper bearing piece (2);
an installation main frame (6) is vertically fixed in the middle of the upper end face of the inspection workbench (1), a quantitative liquid transfer assembly (5) is arranged on the installation main frame (6) in a relatively sliding mode, and the quantitative liquid transfer assembly (5) quantitatively extracts sample solution in the liquid storage branch pipe;
and, inspection device (4) are equipped with on one side of the up end of inspection workstation (1), inspection device (4) are in time examined the analysis to the extraction sample solution in the ration moves liquid subassembly (5).
2. A pipette device for medical laboratory according to claim 1, characterized in that: the quantitative pipetting assembly (5) comprises a sliding body (502), a fixed bracket (501), a hydraulic telescopic cylinder (503) and a liquid taking and storing device (7); the fixing support (501) is provided with a sliding body piece (502), a transmission screw rod (504) is transversely fixed in the mounting main frame (6), and the fixing support (501) is arranged on the transmission screw rod (504) through a limiting position of the sliding body piece (502) which can slide relatively;
and a hydraulic telescopic cylinder (503) is vertically arranged on the fixed support (501), a liquid taking and storing device (7) is fixed at the output end of the hydraulic telescopic cylinder (503), and the liquid taking and storing device (7) extends into the liquid storage branch pipe to carry out liquid taking operation.
3. A pipette device for medical laboratory according to claim 2, characterized in that: the liquid taking and storing device (7) comprises an outer sealing pipe (701), a liquid taking head seat (703), a separation spacer (702), a micro liquid pumping assembly (8) and a coarse liquid pumping assembly (9); a liquid taking head seat (703) is coaxially fixed on the lower end surface of the outer sealing pipe (701), and a separation spacer (702) is vertically embedded and fixed in the outer sealing pipe (701);
the separation partition (702) divides the inside of the outer sealing pipe (701) into a first liquid storage chamber and a second liquid storage chamber with different volumes;
a micro liquid pumping assembly (8) and a coarse liquid pumping assembly (9) are respectively and correspondingly arranged in the first liquid storage chamber and the second liquid storage chamber;
the rough liquid pumping assembly (9) is used as a first liquid pumping device and is used for roughly pumping quantitative sample solution preliminarily;
the micro-pumping assembly (8) is used as a second pumping device and is used for calculating and pumping the residual sample solution.
4. A pipette device for medical laboratory according to claim 3, characterized in that: the crude liquid pumping device (9) comprises a telescopic guide rod (903), a sealing plunger (901), a main support column (902) and a fixed sleeve seat (904); a fixed sleeve seat (904) is coaxially fixed on the upper end face of the outer sealing pipe (701), telescopic guide rods (903) are vertically and symmetrically fixed in the fixed sleeve seat (904), and one ends of the telescopic guide rods (903) penetrate through the outer sealing pipe (701);
a sealing plunger (901) is arranged in the second liquid storage cavity in a relatively vertical sliding manner, a main support column (902) is coaxially fixed at the upper end of the sealing plunger (901), and the output end of each telescopic guide rod (902) is connected and fixed with the main support column (902).
5. A pipette device for medical laboratory according to claim 3, characterized in that: little drawing liquid subassembly (8) are including fixed row seat (803), electric telescopic handle (801) and connection stopper post (802), be located in outer sealing tube (701) but vertical being provided with of relative slip in the stock solution cavity is connected stopper post (802), vertical being fixed with electric telescopic handle (801) in outer sealing tube (701), the output of electric telescopic handle (801) with it is fixed to connect stopper post (802) and be connected, the lower terminal surface of stock solution cavity still imbeds and is provided with fixed row seat (803).
6. A pipette device for medical laboratory according to claim 5, characterized in that: the liquid taking head seat (703) also comprises an outer guide pipe (704), a connecting needle tube (706), a mounting shaft part (705) and an input and guide branch pipe (707); one end of the outer guide pipe (704) extends into the outer sealing pipe (701) and is fixed in the outer guide pipe (704), a mounting shaft piece (705) is coaxially fixed in the outer guide pipe (704), and a connecting needle tube (706) is vertically arranged on the lower end face of the mounting shaft piece (705);
the upper end of the mounting shaft member (705) is communicated with a guide branch pipe (707), and one end of the guide branch pipe (707) is communicated with the fixed row seat (803).
7. A pipette device for medical laboratory according to claim 6, characterized in that: a central shaft plug (807) is connected in the connecting plug column (802) in a relatively sliding and sealing manner, a rotating disc piece (804) is installed on the connecting plug column (802), and the rotating disc piece (804) is connected with a micro motor (805) arranged on the connecting plug column (802) for transmission through a gear meshing transmission function;
a transmission support rod (806) is hinged on the rotary disc piece (804), and one end of the transmission support rod (806) is connected with the central shaft plug (807).
8. A pipette device for medical laboratory according to claim 7, characterized in that: one side of the outer sealing pipe (701), which is close to the first liquid storage chamber, is communicated with a side discharge pipe, the cross section of the side discharge pipe is of a U-shaped structure, and the side discharge pipe and the conveying and guiding branch pipe (707) are both provided with one-way discharge valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110907870.7A CN113447668B (en) | 2021-08-09 | 2021-08-09 | Liquid transfer device for medical clinical laboratory |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110907870.7A CN113447668B (en) | 2021-08-09 | 2021-08-09 | Liquid transfer device for medical clinical laboratory |
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| CN113447668A true CN113447668A (en) | 2021-09-28 |
| CN113447668B CN113447668B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460323A (en) * | 2021-11-11 | 2022-05-10 | 苏州康容生物医疗科技有限公司 | Full-automatic blood sample detection equipment and detection method thereof |
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| CN202606173U (en) * | 2012-05-18 | 2012-12-19 | 哈尔滨商业大学 | Accurate liquid-moving device used in chemical laboratory |
| CN211837966U (en) * | 2020-02-04 | 2020-11-03 | 福建华科计量检测有限公司 | High canned type pipettor |
| CN212316134U (en) * | 2020-07-30 | 2021-01-08 | 苏州创澜生物科技有限公司 | Liquid treatment device |
| CN112858652A (en) * | 2021-02-24 | 2021-05-28 | 冯春梅 | Automatic blood analysis device for blood purification |
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2021
- 2021-08-09 CN CN202110907870.7A patent/CN113447668B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202606173U (en) * | 2012-05-18 | 2012-12-19 | 哈尔滨商业大学 | Accurate liquid-moving device used in chemical laboratory |
| CN211837966U (en) * | 2020-02-04 | 2020-11-03 | 福建华科计量检测有限公司 | High canned type pipettor |
| CN212316134U (en) * | 2020-07-30 | 2021-01-08 | 苏州创澜生物科技有限公司 | Liquid treatment device |
| CN112858652A (en) * | 2021-02-24 | 2021-05-28 | 冯春梅 | Automatic blood analysis device for blood purification |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460323A (en) * | 2021-11-11 | 2022-05-10 | 苏州康容生物医疗科技有限公司 | Full-automatic blood sample detection equipment and detection method thereof |
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| CN113447668B (en) | 2023-04-11 |
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