CN216594904U - Blood gas analysis instrument - Google Patents

Abstract

The utility model discloses a blood gas analysis instrument, which comprises a detection analysis main board for detecting and analyzing a blood sample and a bearing seat, wherein the bearing seat is provided with a limiting sliding chute for enabling a test card to slide in the direction; the pressing assembly, the top heating limiting assembly, the bottom heating limiting assembly, the pushing assembly and the driving assembly are arranged on the bearing seat; the pressurizing assembly and the top heating limiting assembly are positioned above the limiting sliding groove, and the bottom heating limiting assembly and the pushing assembly are positioned below the limiting sliding groove; the device comprises a pressurizing assembly, a top heating limiting assembly, a pushing assembly and a bottom heating limiting assembly from top to bottom in sequence; the pressurizing assembly is used for extruding the gas storage area arranged on the test card; the top heating limiting assembly is used for limiting and heating the top of the test card; the bottom heating limiting assembly is used for limiting and heating the bottom of the test card. The blood gas analyzer is mainly used for detecting and analyzing blood samples and has the advantages of good detection effect and high accuracy.

Description

Blood gas analysis instrument

Technical Field

The utility model relates to the technical field of blood gas analysis, in particular to a blood gas analysis instrument.

Background

The blood gas analyzer is based on the principle of electrochemistry and is used for quantitatively detecting relevant indexes such as pH value (pH), carbon dioxide partial pressure (PCO2), oxygen partial pressure (PO2), electrolyte and the like in an arterial whole blood sample for measurement. When the blood gas analyzer detects a blood sample, the blood sample to be detected is generally injected into the test card, then the test card is inserted into the blood gas analyzer, and the detection of the blood sample is realized through the electrodes in the sensor module.

The application numbers are: CN201320881366.5, publication no: CN 203732536U's utility model discloses a blood gas analyzer, this blood gas analyzer include blood gas analyzer body, test card and reagent package, wherein, the test card with the top of blood gas analyzer body is plug connection from top to bottom, the reagent package with the lateral part of blood gas analyzer body is plug connection about. The utility model has the beneficial effects that: the installation of test card is realized to plug test card about the accessible, also can realize the installation of reagent package through controlling plug reagent package, convenient operation to the structure is comparatively simple.

The application numbers are: CN201410038097.5, publication no: the utility model patent of CN103792344B discloses a recognition and correction method for a blood gas biochemical analysis system, which comprises the following steps: acquiring reagent information recorded in a two-dimensional code printed or pasted on a test card or a reagent pack; taking out basic test card information in the reagent information, judging whether the test card is used correctly or not, if not, feeding back error information and quitting the test; if the test card characteristic information is correct, the test card characteristic information in the reagent information is taken out, and the characteristic parameters of the test card are obtained and taken as the characteristic parameters of the current test; and acquiring a current test signal, and calculating and adjusting by combining the acquired current characteristic parameters to acquire a test result. The utility model also relates to a device for realizing the method. The implementation of the identification and correction method and the device of the blood gas biochemical analysis system has the following beneficial effects: the test cost is low, and the result is accurate.

The application numbers are: CN201320881910.6, publication No. CN203732538U discloses a test card assembly for secondary positioning, which comprises a fixed bottom shell, a test card, a piston pump connecting piece and a reagent bag, wherein the test card and the piston pump connecting piece are respectively arranged on the fixed bottom shell, one side of the test card and the fixed bottom shell are a first moving pair, the other side of the test card and the reagent bag are a second moving pair, and the end part of the test card is matched with any one of the piston pump connecting piece and the reagent bag or any combination thereof as a hole shaft. The utility model also provides a blood gas analyzer. The utility model has the beneficial effects that: accessible test card cooperatees with fixed drain pan, reagent package, realizes the location for the first time, forms the hole axle cooperation through test card and piston pump connecting piece, reagent package, realizes the location for the second time, has improved the positioning accuracy of test card, has avoided the weeping problem, has improved the degree of accuracy of test.

The detection principle of the blood gas analyzer in the prior art is generally similar, and most of the blood gas analyzers realize the detection of blood samples through electrodes in a sensor module; however, in actual use, it is found that when different blood gas analyzers detect the same blood sample, the detection results have great difference; when the same blood gas analyzer carries out detection on the same blood sample for different times, the result still has difference, and the detection accuracy of the existing tester is still to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a blood gas analysis instrument which is mainly used for detecting and analyzing blood samples and has the advantages of good detection effect and high accuracy.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a kind of blood gas analyzer, including the detection analysis mother board used for carrying on the detection analysis to the blood sample, the utility model also includes bearing the seat, there is spacing concrete chute used for making the test card slip to the bearing the seat;

the pressing assembly, the top heating limiting assembly, the bottom heating limiting assembly, the pushing assembly and the driving assembly are arranged on the bearing seat; the pressurizing assembly and the top heating limiting assembly are positioned above the limiting sliding groove, and the bottom heating limiting assembly and the pushing assembly are positioned below the limiting sliding groove; the device comprises a pressurizing assembly, a top heating limiting assembly, a pushing assembly and a bottom heating limiting assembly from top to bottom in sequence;

the pressurizing assembly is used for extruding the gas storage area arranged on the test card;

the top heating limiting assembly is used for limiting and heating the top of the test card;

the bottom heating limiting assembly is used for limiting and heating the bottom of the test card;

the pushing assembly is used for driving the test card to enter and exit the limiting chute;

the driving assembly is used for driving the pressurizing assembly, the top heating limiting assembly and the bottom heating limiting assembly to move towards the direction of the test card; the end part of the top heating limiting assembly is provided with a detection probe which is used for being in contact with a test card, and the detection probe is connected with the detection analysis main board.

In some preferred embodiments, the driving assembly comprises a motor, a driving shaft, a worm wheel, a worm and a rotating shaft, the rotating shaft is rotatably mounted on the bearing seat, the motor is arranged on the bearing seat, the motor is connected with the worm through the driving shaft, the worm wheel is connected with the rotating shaft, the worm wheel and the worm are mutually meshed, the rotating shaft is sequentially provided with a first extrusion part, a second extrusion part and a third extrusion part from left to right, and the end part of the rotating shaft is provided with a shifting block;

the shifting block is used for driving the bottom heating limiting assembly to act;

the first extrusion part is used for extruding the calibration solution area on the test card;

the second extrusion part is used for driving the top heating limiting assembly to move towards the direction of the test card so as to limit and heat the test card;

the third extrusion part is used for driving the pressurizing assembly to move towards the direction of the test card and realizing extrusion of the gas storage area of the test card.

In some preferred embodiments, the bearing seat is provided with a first L-shaped clamping plate and a second L-shaped clamping plate for limiting the test card, and the first L-shaped clamping plate and the second L-shaped clamping plate are arranged oppositely to form the limiting sliding groove.

In some preferred embodiments, the bearing seat is provided with a limiting through groove communicated with the limiting sliding groove;

the bottom heating limiting assembly comprises a lower limiting plate, a first torsion spring and a heating module, the lower limiting plate is hinged below the bearing seat, the first torsion spring is arranged between the lower limiting plate and the bearing seat, and under the action of the first torsion spring, after the lower limiting plate rotates around a hinge point formed between the lower limiting plate and the bearing seat, the end part of the lower limiting plate is close to the bottom of the bearing seat; the heating module is arranged at the end part of the lower limiting plate, and can be clamped with a positioning groove arranged at the bottom of the test card after passing through the limiting through groove; the lower limiting plate is provided with a driving part, and the shifting block can be in contact with the driving part after rotating and drives the lower limiting plate to rotate through the driving part.

In some preferred embodiments, the lower limiting plate comprises a plate body and connecting parts arranged on two sides of the plate body, the connecting parts are arranged in parallel, an L-shaped limiting part is arranged in each connecting part, and a first torsion spring limiting groove is formed between each L-shaped limiting part and each connecting part; the lower end of the bearing seat is provided with a supporting part, the supporting part and the bearing seat form an installation area, the connecting part is rotatably installed in the installation area through a first rotating shaft, after the first torsion spring is sleeved on the first rotating shaft, one supporting leg of the first torsion spring is contacted with the supporting part, and the other supporting leg is clamped at the lower end of the first torsion spring limiting groove; the heating module is arranged on the plate body and used for limiting and heating the test card.

In some preferred embodiments, the pressurizing assembly comprises an upper limiting plate and a second torsion spring, and the first L-shaped clamping plate and the second L-shaped clamping plate respectively form a groove with two side walls of the bearing seat;

the upper limiting plate comprises an extrusion plate, one end of the extrusion plate is perpendicular to the upper limiting plate, the extrusion plate is used for extruding a gas storage area arranged on the test card, the other end of the upper limiting plate is provided with two mounting rods, and the mounting rods correspond to the grooves; the mounting rod on the upper limiting plate is hinged in the groove, and the upper limiting plate is provided with a yielding groove;

the second torsion spring is arranged in the groove, one support leg of the second torsion spring is positioned in the groove, and the other support leg of the second torsion spring is in contact with the mounting rod; and under the action of the second torsion spring, the mounting rod is propped against the rotating shaft.

In some preferred embodiments, the top heating limiting assembly comprises a middle limiting plate and an upper positioning heating assembly, the middle limiting plate is hinged on the bearing seat and is positioned above the limiting sliding groove, and a first spring is arranged between the middle limiting plate and the bearing seat;

the middle limiting plate is provided with a first abdicating groove, the middle limiting plate is rotatably provided with a rolling shaft, the second extrusion part is of a cam structure, the cam structure corresponds to the rolling shaft, and the rotating shaft is used for driving the middle limiting plate to move towards the direction of the test card when rotating;

the upper positioning heating assembly is arranged at the end part of the middle limiting plate and used for positioning and heating the test card inserted in the limiting sliding groove.

In some preferred embodiments, a round shaft is arranged on the middle limiting plate, the end part of the round shaft is connected with a limiting block, first arc-shaped parts are arranged at two ends of the limiting block, a U-shaped groove and a round groove are arranged on the bearing seat, the round groove is communicated with the U-shaped groove, the U-shaped groove and the round groove have a common opening end, the circumferential diameter of the first arc-shaped part is the same as that of the round groove, the limiting block is positioned in the round groove after the middle limiting plate is installed in the U-shaped groove through circumferential rotation, and the first arc-shaped part on the limiting block is matched with the round groove;

go up location heating element and include heating piece, mounting panel, second spring and spliced pole, the mounting panel passes through the fixed setting of spliced pole on well limiting plate, is provided with logical groove on the well limiting plate, the heating piece is T type structure including heating base and hot plate, heating base, and the hot plate setting is on heating base, and heating base slidable mounting is provided with the second spring between heating base and the mounting panel in leading to the inslot.

In some preferred embodiments, the pushing assembly comprises a first shifting block, a second shifting block and a third torsion spring which are arranged on the bearing seat, a yielding groove is arranged on the opposite surface of the bottom of the bearing seat and the limiting chute, mounting grooves are arranged on two sides of the yielding groove, and an arc-shaped groove communicated with the limiting chute is arranged at the bottom of the mounting groove;

the end part of the mounting groove is provided with a tip part, the first shifting block and the second shifting block are respectively provided with a tip corresponding to the tip part, and one side of the mounting groove opposite to the tip part is an arc-shaped surface; the first shifting block and the second shifting block are respectively arranged in mounting grooves at two sides of the abdicating groove, and tips on the first shifting block and the second shifting block are in contact with the tip and can rotate around the tip in the mounting grooves; the first shifting block and the second shifting block are provided with shifting columns which penetrate through the arc-shaped grooves and extend into the limiting sliding grooves and are used for shifting the test card to slide in the limiting sliding grooves, and the first shifting block and the second shifting block are both installed in the installation grooves through a torsion spring.

In some preferred embodiments, the end parts of the two support legs of the third torsion spring are respectively provided with a positioning ring, one positioning ring of the third torsion spring is installed in the abdicating groove through a screw, and the other positioning ring is used for being connected with the first shifting block or the second shifting block;

the side groove is formed in one side, opposite to the tip end, of each of the first shifting block and the second shifting block, threaded holes communicated with the side grooves are formed in the first shifting block and the second shifting block, fastening screws are arranged in the threaded holes, and positioning rings on the other supporting leg of the torsion spring are sleeved on the fastening screws.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model is mainly used for realizing the analysis and detection of blood samples, and mainly comprises a detection and analysis main board, a bearing seat, a pressurizing assembly, a top heating limiting assembly, a bottom heating limiting assembly, a pushing assembly and a driving assembly, wherein a test card is inserted into the limiting chute in actual use, the top of the test card is positioned and heated through the arranged top heating assembly, the bottom heating limiting assembly limits and heats the bottom of the test card, the positioning of the upper part and the bottom of the test card is realized, the situation that the test card is displaced in the test process can be avoided, the normal operation of the test can be ensured, and the accuracy of the detection result is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a schematic diagram of the overall structure of the test card of the present invention.

FIG. 3 is a diagram illustrating the assembly relationship of the test card according to the present invention.

FIG. 4 is a diagram of a base structure of a test card according to the present invention.

FIG. 5 is a schematic diagram of a cover plate structure of the test card of the present invention.

FIG. 6 is a second schematic diagram of the structure of the cover plate of the test card of the present invention.

FIG. 7 is a schematic view showing the installation position relationship between the sensor module and the spacer in the test card of the present invention.

FIG. 8 is a schematic view of the driving assembly of the present invention mounted on the carriage.

Fig. 9 is a left side view of fig. 8 in accordance with the present invention.

FIG. 10 is a schematic view of the assembly relationship between the bottom heating limit assembly and the carrier.

FIG. 11 is a schematic view showing the positional relationship between the lower retainer plate and the heating module according to the present invention.

FIG. 12 is a schematic view of the assembly relationship between the pressing assembly and the carrier.

Fig. 13 is a top view of fig. 12 in accordance with the present invention.

FIG. 14 is a diagram illustrating a state of the test card inserted in FIG. 12 according to the present invention.

Fig. 15 is a top view of fig. 14 in accordance with the present invention.

Fig. 16 is a cross-sectional view taken along plane a-a of fig. 15 in accordance with the present invention.

Fig. 17 is a schematic view of the connection between the upper limiting plate and the pressing plate according to the present invention.

FIG. 18 is a schematic view of the assembly relationship between the top heating limit assembly and the carrier.

Fig. 19 is a front view of fig. 18 in accordance with the present invention.

Fig. 20 is a top view of fig. 19 in accordance with the present invention.

Fig. 21 is a cross-sectional view taken along plane a-a of fig. 20 in accordance with the present invention.

Fig. 22 is a schematic view of the connection relationship between the upper positioning heating element and the middle positioning plate according to the present invention.

Fig. 23 is a schematic view of a connection relationship between the position-limiting plate and the load-bearing seat.

Fig. 24 is a schematic view illustrating a state of the pushing assembly and the carrying seat according to the present invention.

Fig. 25 is a front view of the utility model of fig. 24 with the base plate removed.

Fig. 26 is a second schematic view illustrating states of the pushing assembly and the carrying base according to the present invention.

Fig. 27 is a schematic view of the overall structure of the first and second toggle blocks of the present invention.

Fig. 28 is an overall structural view of the third torsion spring of the present invention.

Reference numerals:

the system comprises a detection and analysis main board 1, a bearing seat 2, a limiting sliding chute 3, a limiting through groove 4, a first microswitch 11, a second microswitch 12, a third microswitch 13, a detection probe 14, a first scanning head 15 and a second scanning head 16;

5, testing the card: 501 a base, 502 a cover plate, 503 a sample inlet, 504 an extrusion through groove, 505 a sample flow channel, 506 a first groove, 507 an extrusion part, 508 an air storage groove, 509 an air passage, 510 a calibration solution placement groove, 511 a calibration solution bag, 512 a waste solution groove, 513 a sealing plug, 514 a diaphragm, 515 a first small hole, 516 a second small hole, 517 a third small hole, 518 a detection groove, 519 a sensor module, 520 a notch, 521 an air outlet channel, 522 an air outlet hole, 523 a first tightening region, 524 a second tightening region, 525 a buffer region, 526 a positioning groove, 527 a fourth small hole, 528 a recess, 529 a puncture needle, 530 a calibration solution flow channel, 531 an air storage region, 532 a calibration solution region, 533-a limiting part;

6, a driving component: a motor 601, a driving shaft 602, a worm gear 603, a worm 604, a rotating shaft 605, a first extrusion part 606, a second extrusion part 607, a third extrusion part 608, a 609 shifting block, a 610 rotating wheel and a 611 fan-shaped part;

7 bottom heating limit component: a 701 lower limiting plate, a 702 first torsion spring, a 703 heating module, a 704 driving part, a 705 first L-shaped clamping plate, a 706 second L-shaped clamping plate, a 707 plate body, a 708 connecting part, a 709L-shaped limiting part, a 710 first torsion spring limiting groove, a 711 supporting part, a 712 mounting area, a 713T-shaped mounting seat, a 714 heating plate and a 715 arc part;

8, a pressurizing assembly: a limiting plate is arranged on the 801, grooves 802 are formed, a pressing plate 803 is arranged on the 801, a rod 804 is installed, a groove 805 is provided with a recess, a second torsion spring 806 is arranged, and a pin shaft 807 is arranged;

9 top heating limit component: a limiting plate in 901, a first spring in 902, a first abdicating groove in 903, a guide pillar in 904, a heating component positioned on 905, a first limiting hole in 906, a positioning recess in 907, a circular shaft in 908, a limiting block in 909, a first arc part in 910, a 911U-shaped groove in 912, a circular groove in 913, an open end in 914, a heating block in 915, a mounting plate in 916, a second spring in 917, a connecting column in 918, a heating base in 918, a groove in 919 and a rolling shaft in 920;

10, a pushing component: 1001 first shifting block, 1002 second shifting block, 1003 abdicating groove, 1004 mounting groove, 1005 arc type groove, 1006 cusp, 1007 cusp, 1008 arc type surface, 1009 poking column, 1010 positioning ring, 1011 third torsion spring, 1012 side groove, 1013 screw hole, 1014 arc type groove, 1015 base plate, 1016 first poking column, 1017 second poking column.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Example one

As shown in fig. 1-28, the present invention discloses a blood gas analyzer, referring to fig. 1, comprising a detection analysis main board 1 for detecting and analyzing a blood sample, and a bearing seat 2, wherein the bearing seat 2 is provided with a limit chute 3 for allowing a test card 5 to slide directionally;

the pressing component 8, the top heating limiting component 9, the bottom heating limiting component 7, the pushing component 10 and the driving component 6 are arranged on the bearing seat 2; the pressurizing assembly 8 and the top heating limiting assembly 9 are positioned above the limiting chute 3, and the bottom heating limiting assembly 7 and the pushing assembly 10 are positioned below the limiting chute 3; the heating device comprises a pressurizing assembly 8, a top heating limiting assembly 9, a pushing assembly 10 and a bottom heating limiting assembly 7 which are arranged from top to bottom in sequence;

the pressurizing assembly 8 is used for extruding the air storage area 531 arranged on the test card 5;

the top heating limiting component 9 is used for limiting and heating the top of the test card 5;

the bottom heating limiting component 7 is used for limiting and heating the bottom of the test card 5;

the pushing assembly 10 is used for driving the test card 5 to enter and exit the limiting chute 3;

the driving component 6 is used for driving the pressurizing component 8, the top heating limiting component 9 and the bottom heating limiting component 7 to move towards the direction of the test card 5; the top heating limiting component 9 is provided with a detection probe 14 at the end for contacting with the test card 5, and the detection probe 14 is connected with the detection analysis mainboard 1.

The utility model is mainly used for realizing the analysis and detection of blood samples, and mainly comprises a detection and analysis main board 1, a bearing seat 2, a pressurizing assembly 8, a top heating limiting assembly 9, a bottom heating limiting assembly 7, a pushing assembly 10 and a driving assembly 6, wherein in actual use, a test card 5 is inserted into a limiting sliding groove 3, the top of the test card 5 is positioned and heated through the arranged top heating assembly, the bottom heating limiting assembly 7 limits and heats the bottom of the test card 5, the positioning of the upper part and the bottom of the test card 5 is realized, the situation that the test card 5 shifts in the test process can be avoided, the normal operation of the detection can be ensured, and the accuracy of the detection result is improved.

It should be noted that, in this embodiment, the structure of the test card 5 is as follows:

as shown in fig. 2-7, the sample injection device comprises a base 501 and a cover plate 502 buckled with the base 501, wherein a sample inlet 503 and an extrusion through groove 504 are arranged on the top surface of the cover plate 502, the extrusion through groove 504 penetrates through the cover plate 502, a sample flow channel 505 communicated with the sample inlet 503 is arranged on the surface, opposite to the top surface, of the cover plate 502, a first groove 506 is arranged in the middle of the cover plate 502, and an extrusion part 507 is arranged in the first groove 506;

the base 501 is provided with an air storage groove 508 and an air passage 509 communicated with the air storage groove 508; a calibration solution placing groove 510 and a calibration solution flow channel 530 communicated with the calibration solution placing groove 510 are arranged in the middle of the base 501, the calibration solution placing groove 510 corresponds to the squeezing part 507 arranged on the cover plate 502, a waste solution groove 512 is also arranged on the base 501, and a sealing plug 513 is arranged at the injection port 503;

a diaphragm 514 is arranged between the base 501 and the cover plate 502, after the cover plate 502 is fastened on the base 501 through the diaphragm 514, the air passage 509 is communicated with the sample flow passage 505 through a first small hole 515 arranged on the diaphragm 514, a calibration liquid pack 511 is arranged on the diaphragm 514 below the squeezing part 507, and a puncturing component for puncturing the calibration liquid pack 511 is arranged in the calibration liquid placing groove 510; the calibration solution flow channel 530 communicates with the sample flow channel 505 through a second orifice 516 provided in the membrane 514; the end of the sample flow channel 505 is communicated with the waste liquid groove 512 through a third small hole 517 arranged on the diaphragm 514;

the cover plate 502 is provided with a detection groove 518, a sensor module 519 is arranged between the base 501 and the cover plate 502, one end of the sensor module 519 is located in the detection groove 518 and is used for being connected with a contact of a detection probe, and the other end of the sensor module 519 extends into the sample flow channel 505.

The test card 5 mainly comprises a base 501, a cover plate 502 and a diaphragm 514, wherein the cover plate 502 is buckled on the base 501 through the diaphragm 514 to form an integrated structure, and a blood sample to be detected is injected into the sample inlet 503 in actual use, so that the blood sample is temporarily stored in the sample channel 505; at this time, the injection port 503 is sealed by using a sealing plug 513; then the blood gas analyzer is inserted into the limiting sliding groove 3, the extruding part 507 is extruded firstly, the extruding part 507 extrudes the calibration liquid bag 511 after being deformed, the calibration liquid bag 511 is moved downwards and then is contacted with the puncturing assembly, the calibration liquid bag 511 is punctured under the action of the puncturing assembly, in the process that the extruding part 507 is continuously pressed downwards, the calibration liquid in the calibration liquid bag 511 flows through the calibration liquid flow channel 530 and then enters the sample flow channel 505, the calibration liquid flows through the sensor module 519 and then calibrates the contact of the sensor module 519, the redundant calibration liquid is discharged into the waste liquid tank 512, after calibration is completed, the blood gas analyzer extrudes the diaphragm 514 on the gas storage groove 508, so that the clean air in the gas storage groove 508 enters the sample flow channel 505, and a blood sample to be detected slowly flows to the sensor module 519 for detection and analysis; the device has the advantages of simple structure and reasonable design, and can realize the purpose of calibrating and then detecting the die when in use, thereby effectively improving the accuracy of the detection result.

The puncturing assembly is a puncturing needle 529 which is arranged at the bottom of the calibration solution containing groove 510 and is used for puncturing the calibration solution pack 511, and the puncturing needle 529 is used for facilitating the calibration solution to flow into the bottom of the calibration solution containing groove 510 after puncturing the calibration solution pack 511.

A gap 520 is formed at the tail of the cover plate 502, and the sealing plug 513 is integrally formed with the cover plate 502 and is located in the gap 520.

In practical implementation, the base 501 and the cover plate 502 are both made by an injection molding process, and after the sealing plug 513 and the cover plate 502 are integrally formed, the cover plate 502 and the sealing plug 513 form an integrated mating structure, so that the sealing plug 513 is prevented from being lost, and the use is more convenient.

In some specific embodiments, the waste liquid tank 512 is of a U-shaped structure, an air outlet channel 521 is connected to the tail of the waste liquid tank 512, and the cover plate 502 is provided with an air outlet 522 communicated with the air outlet channel 521.

The air outlet 522 is communicated with the air outlet channel 521 through a fourth small hole 527 formed in the diaphragm 514, so that the waste liquid tank 512 with the U-shaped structure can better store waste liquid, and meanwhile, the structure is more reasonable, and the storage capacity of the waste liquid is more; meanwhile, the waste liquid can enter the waste liquid tank 512 more smoothly through the arranged air outlet 522.

In some embodiments, the sample channel 505 is provided with a first constriction region 523 and a second constriction region 524 in sequence near the injection port 503.

Like this, guarantee the blood sample can be better temporarily have the right-hand side of first constriction region 523 under the effect that no atmospheric pressure promoted when in actual use, simultaneously, when carrying out calibration solution washing, can avoid the calibration solution to get into the right-hand side position of first constriction region 523 behind second constriction region 524.

In some embodiments, the sample channel 505 is connected to a buffer area 525, and the calibrator solution channel 530 communicates with the sample channel 505 through the buffer area 525. The buffer area 525 is arranged to buffer the calibration solution, and meanwhile, when the calibration solution pack 511 is pressed to the limit position, the buffer area 525 is filled with the calibration solution, so that the blood sample is prevented from entering the buffer area 525 when flowing through the sample flow channel 505.

Further preferably, the connection point of the calibration solution channel 530 and the sample channel 505 is a narrow structure, and the width of the connection point of the calibration solution channel 530 and the sample channel 505 is far smaller than the width of the calibration solution channel 530 or the sample channel 505.

Wherein, a positioning groove 526 is arranged on the base 501, and the positioning groove 526 is located at the position of the sensor module 519. The positioning groove 526 can be used for limiting and fixing the base 501 after the blood gas analyzer is inserted into the blood gas analyzer, and meanwhile, the bottom of the sensor module 519 can be directly heated conveniently.

In some embodiments, a positioning and heating recess 528 is provided in the cover plate 502 at the sensor module 519; be convenient for realize the heating to apron 502 upper portion, simultaneously, also make the blood gas analysis appearance can carry out better location to apron 502.

In some embodiments, a two-dimensional code or a bar code is pasted on the end of the base 501; the two-dimensional code or the bar code is used for storing information to be detected, such as detection item information.

In the present invention, the sensor module 519 has an electrode contact on the outer side, which is supported by epoxy resin to form an array, and a sensor film array on the inner side, which is electrically contacted with the electrode contact through a small hole on the epoxy resin foil; blood samples can be detected as they flow through the sensor membrane array.

Wherein, a calibration liquid area 532 is formed on the test card 5 corresponding to the position of the squeezing part 507, and a gas storage area 531 is formed on the test card corresponding to the gas storage groove 508.

Wherein, two sides of the test card 5 are provided with a limiting portion 533.

To facilitate a further understanding of the present invention by those skilled in the art, the following further description of the various components of the present invention, in this embodiment:

referring to fig. 9, the driving assembly 6 includes a motor 601, a driving shaft 602, a worm wheel 603, a worm 604 and a rotating shaft 605, the rotating shaft 605 is rotatably mounted on the bearing base 2, the motor 601 is disposed on the bearing base 2, the motor 601 is connected with the worm 604 through the driving shaft 602, the worm wheel 603 is connected with the rotating shaft 605, the worm wheel 603 is meshed with the worm 604, a first squeezing portion 606, a second squeezing portion 607 and a third squeezing portion 608 are sequentially disposed on the rotating shaft 605 from left to right, and a shifting block 609 is disposed at an end of the rotating shaft 605;

the shifting block 609 is used for driving the bottom heating limiting component 7 to act;

the first pressing part 606 is used for pressing the calibration solution area 532 on the test card 5;

the second extrusion portion 607 is used for driving the top heating limiting component 9 to move towards the direction of the test card 5 so as to limit and heat the test card 5;

the third pressing portion 608 is used to drive the pressing component 8 to move toward the direction of the test card 5 and press the air storage area 531 of the test card 5.

The worm wheel 603 and the worm 604 form a transmission mechanism, the motor 601 transmits power to the rotating shaft 605 through the worm wheel 603 and the worm 604, so that the rotating shaft 605 rotates, and the top heating limiting component 9, the bottom heating limiting component 7 and the pressurizing component 8 can be driven when the rotating shaft 605 rotates, so that the test card 5 can be positioned and extruded.

The bearing seat 2 is provided with a first L-shaped clamping plate 705 and a second L-shaped clamping plate 706 which are used for limiting the test card 5, and the first L-shaped clamping plate and the second L-shaped clamping plate are oppositely arranged to form the limiting sliding groove 3.

Further optimizing, a limiting through groove 4 communicated with the limiting sliding groove 3 is formed in the bearing seat 2;

referring to fig. 8-11, the bottom heating limiting assembly 7 includes a lower limiting plate 701, a first torsion spring 702 and a heating module, the lower limiting plate 701 is hinged below the carrying seat 2, the first torsion spring 702 is disposed between the lower limiting plate 701 and the carrying seat 2, and under the action of the first torsion spring 702, after the lower limiting plate 701 rotates around a hinge point formed between the lower limiting plate 701 and the carrying seat 2, an end of the lower limiting plate 701 is close to the bottom of the carrying seat 2; the heating module 703 is arranged at the end of the lower limit plate 701, and the heating module 703 can be clamped with a positioning groove 526 arranged at the bottom of the test card 5 after passing through the limit through groove 4; the lower limiting plate 701 is provided with a driving portion 704, and the dial 609 is capable of contacting the driving portion 704 after rotating, and the driving portion 704 drives the lower limiting plate 701 to rotate.

Thus, when the test card 5 is automatically positioned and heated, the sensor module 519 on the test card 5 is ensured to be accurately contacted with the contact of the detection probe, the normal detection is ensured, the detection error rate can be reduced after the test card 5 is limited, and the accuracy of the detection result is improved.

In specific implementation, the lower limiting plate 701 is in a zero position state, at this time, the shifting block 609 is in contact with the driving part 704 on the lower limiting plate 701, so that an included angle formed by the lower limiting plate 701 and the bottom of the bearing seat 2 is in a maximum state, and at this time, the heating module 703 is located in the limiting through groove 4; after the test card 5 is inserted into the detection position along the limiting sliding groove 3, at this time, the rotating shaft drives the shifting block 609 to rotate, the shifting block 609 will rotate along with the rotating shaft 605, and then the end part of the shifting block 609 is separated from the driving part 704, the lower limiting plate 701 will make the included angle formed between the lower limiting plate 701 and the bottom of the bearing seat 2 smaller under the action of the first torsion spring 702, at this time, the heating module 703 at the end part of the lower limiting plate 701 will pass through the limiting through groove 4 and then enter the limiting sliding groove 3, and the end part of the heating module 703 will be directly inserted into the positioning groove 526 arranged at the bottom of the test card 5 and realize clamping; thus, the limit of the test card 5 can be realized; when the test card 5 is taken out, the rotating shaft 605 rotates reversely, at this time, the shifting block 609 is reset, after the shifting block 609 is contacted with the driving part 704 again, the torsion of the torsion spring is overcome, so that the included angle between the lower limiting plate 701 and the bearing seat 2 is enlarged, and the heating module 703 is reset into the limiting through groove 4 again; the test card 5 is positioned through the heating module 703, and the test card 5 is heated, so that the test is ensured, the test accuracy can be effectively improved, and the situation that the detection result accuracy is reduced due to the sliding of the test card 5 is avoided.

Wherein, the rotating shaft 605 is rotatably mounted on the bearing seat 2 through a bearing.

In a specific implementation, the lower limiting plate 701 is rotatably disposed on the carrier 2 through a first rotating shaft 605.

The lower limiting plate 701 comprises a plate body 707 and connecting parts 708 arranged on two sides of the plate body 707, the connecting parts 708 are arranged in parallel, an L-shaped limiting part 709 is arranged in each connecting part 708, and a first torsion spring limiting groove 710 is formed between each L-shaped limiting part 709 and each connecting part 708; a support part 711 is arranged at the lower end of the bearing seat 2, the support part 711 and the bearing seat 2 form an installation area 712, the connecting part 708 is rotatably installed in the installation area 712 through a first rotating shaft 605, after the first torsion spring 702 is sleeved on the first rotating shaft 605, one leg of the first torsion spring 702 contacts with the support part 711, and the other leg is clamped at the lower end of the first torsion spring limiting groove 710; the heating module 703 is disposed on the board body 707, and the heating module 703 is configured to limit and heat the test card 5.

The arrangement can realize the limitation of the first torsion spring 702, the situation that the first torsion spring 702 cannot shift in use can be ensured, and the stability in use is ensured.

In some embodiments, the heating module 703 is detachably disposed on the lower limiting plate 701; in actual use, the heating module 703 is convenient to replace and is more convenient to maintain.

In some embodiments, the heating module 703 includes a T-shaped mounting seat 713 and a heating plate 714, the T-shaped mounting seat 713 is provided with a first mounting groove, the heating plate 714 is mounted on the T-shaped mounting seat 713, and the T-shaped mounting seat 713 is fixedly arranged on the upper limiting plate 801 through screws. The positioning with the test card 5 is realized through the arranged T-shaped mounting seat 713, and the heating purpose is realized through the arranged heating plate 714, and it should be noted that the heating plate 714 is a constant temperature heating plate 714.

The first mounting groove is a T-shaped groove, the T-shaped groove penetrates through the T-shaped mounting seat 713, and the heating plate 714 is fixedly arranged in the T-shaped groove; the upper end of the T-shaped mounting seat 713 is the same as the limiting through groove 4 in shape.

In some preferred embodiments, the moving block 609 is provided with an arc-shaped part 715, the arc-shaped part 715 is used for contacting with the driving part 704, and a transition buffer area 525 can be formed by the arc-shaped part 715, so that the moving block 609 and the driving part 704 are smoother when contacting.

Further optimization, in practical use, the bearing seat 21 is provided with a guide inclined plane which is positioned at the bottom of the limiting sliding groove 3, so that the test card 5 can be conveniently inserted.

Referring to fig. 12-17, the specific structure of the pressing assembly 8 is as follows:

the pressurizing assembly 8 comprises an upper limiting plate 801 and a second torsion spring 806, wherein the first L-shaped clamping plate 705 and the second L-shaped clamping plate 706 form a groove 802 with two side walls of the bearing seat 2 respectively;

the upper limiting plate 801 comprises a pressing plate 803, one end of the pressing plate 803 is perpendicular to the upper limiting plate 801, the pressing plate 803 is used for pressing a gas storage area 531 arranged on the test card 5, the other end of the upper limiting plate 801 is provided with two mounting rods 804, and the mounting rods 804 correspond to the grooves 802; the mounting rod 804 on the upper limiting plate 801 is hinged in the groove 802, and the upper limiting plate 801 is provided with a yielding groove 805;

the second torsion spring 806 is disposed in the groove 802, one leg of the second torsion spring 806 is disposed in the groove 802, and the other leg is in contact with the mounting rod 804; under the action of the second torsion spring 806, the mounting rod 804 abuts against the rotating shaft 605.

In specific implementation, the second torsion spring 806 is disposed in the groove 802 through a pin, so as to ensure stability of the second torsion spring 806.

A limiting sliding groove 3 is formed between the first L-shaped clamping plate 705 and the second L-shaped clamping plate 706, so that the test card 5 can be limited, and the test card 5 is ensured to slide along the limiting sliding groove 3; after the test card 5 is inserted into the limiting chute 3, the second squeezing portion 607 arranged on the rotating shaft 605 acts on the upper limiting plate 801, at this time, the second torsion spring 806 is compressed, the second squeezing portion 607 on the upper limiting plate 801 rotates in the groove 802, at this time, the squeezing plate 803 arranged on the upper limiting plate 801 moves towards the test card 5 and slowly presses on the gas storage area 531 on the test card 5, so that squeezing of the test card 5 is realized, and a blood sample to be detected in the test card 5 is ensured to flow to a preset detection position for detection under the action of air pressure; the utility model has the advantages of simple structure and design, and is convenient for realizing the extrusion of the test card 5, thereby ensuring the normal detection of blood samples, ensuring the blood samples in the test card 5 to be in place and improving the accuracy of detection results. Wherein, the installation pole 804 rotates through round pin axle 807 and sets up on bearing seat 2, can guarantee the rotation of installation pole 804 through the round pin axle 807 that sets up.

In specific implementation, a positioning recess 907 is disposed on one side of the mounting rod 804, which is in contact with the leg of the second torsion spring 806, and the leg of the second torsion spring 806 is located in the positioning recess 907.

The positioning recess 907 is capable of supporting the second torsion spring 806, so as to further ensure the stability of the second torsion spring 806 in the working state.

In some embodiments, the compression plate 803, upper retention plate 801, and mounting rod 804 are a unitary structure.

Referring to fig. 18-23, the specific structure of the top heating limiting assembly 9 is as follows:

the top heating limiting assembly 9 comprises a middle limiting plate 901 and an upper positioning heating assembly 905, the middle limiting plate 901 is hinged on the bearing seat 2 and is positioned above the limiting chute 3, and a first spring 902 is arranged between the middle limiting plate 901 and the bearing seat 2;

the middle limiting plate 901 is provided with a first abdicating groove 903, the middle limiting plate 901 is rotatably provided with a roller 920, the second extrusion part 607 is of a cam structure, the cam structure corresponds to the roller 920, and the rotating shaft 605 is used for driving the middle limiting plate 901 to move towards the direction of the test card 5 when rotating;

the upper positioning heating assembly 905 is arranged at the end of the middle limiting plate 901, and the upper positioning heating assembly 905 is used for positioning and heating the test card 5 inserted in the limiting chute 3.

The middle limiting plate 901 is supported by the arranged first spring 902, so that the middle limiting plate 901 can rotate, when the rotating shaft 605 rotates, the cam structure on the rotating shaft 605 can be contacted with the roller 920 arranged on the middle limiting plate 901, and the middle limiting plate 901 is driven by the cam structure, so that the upper positioning heating component 905 arranged on the middle limiting plate 901 can move towards the test card 5, the upper positioning heating component 905 can limit and fix the test card 5, and meanwhile, the upper part of the test card 5 can be heated; the top heating limiting component 9 can limit and fix the upper part of the test card 5, can prevent the situation that the test card 5 shifts when in testing, can ensure the normal running of the testing, and improves the accuracy of the detection result.

Further preferably, a first limiting hole 906 is formed in the bearing seat 2, a second limiting hole is formed in a position, corresponding to the first limiting hole 906, of the middle limiting plate 901, the upper end of the first spring 902 is installed in the second limiting hole, and the lower end of the first spring is installed in the first limiting hole 906. The first limiting hole and the second limiting hole can play a better limiting role, so that the situation that the first spring 902 is displaced in the using process is avoided, and the structural stability of the utility model is further ensured.

Referring to fig. 23, in a specific implementation, a circular shaft 908 is arranged on the middle limit plate 901, a limit block 909 is connected to an end of the circular shaft 908, first arc-shaped portions 910 are arranged at two ends of the limit block 909, a U-shaped groove 911 and a circular groove 912 are arranged on the bearing seat 2, the circular groove 912 is communicated with the U-shaped groove 911, the U-shaped groove 911 and the circular groove 912 have a common opening end 913, a circumferential diameter of the first arc-shaped portion 910 is the same as a circumferential diameter of the circular groove 912, after the middle limit plate 901 is installed in the U-shaped groove 911 through circumferential rotation, the limit block 909 is located in the circular groove 912, and the first arc-shaped portions 910 on the limit block 909 are matched with the circular groove 912;

therefore, in actual use, the middle limiting plate 901 can be mounted more conveniently, and the mounting efficiency of the middle limiting plate 901 can be effectively improved.

The upper positioning heating assembly 905 comprises a heating block 914, a mounting plate 915, a second spring 916 and a connecting column 917, wherein the mounting plate 915 is fixedly arranged on the middle limiting plate 901 through the connecting column 917, a through groove 919 is formed in the middle limiting plate 901, the heating block 914 comprises a heating base 918 and a heating plate 714, the heating base 918 is of a T-shaped structure, the heating plate 714 is arranged on the heating base 918, the heating base 918 is slidably arranged in the through groove 919, and the second spring 916 is arranged between the heating base 918 and the mounting plate 915.

The arranged heating base 918 can be contacted with a recess 528 arranged on the test card 5, so that the limit of the test card 5 is realized, and meanwhile, when the heating base 918 is contacted with the test card 5, the arranged heating plate 714 can generate heat, so that the test card 5 is heated; in addition, in the present embodiment, the heating base 918 can be in a movable state by the second spring 916, and the middle stopper plate 901 can play a role of buffering when moving toward the test card 5.

Preferably, a groove 802 is formed on the heating base 918, a guide pillar 904 is arranged in the groove 802, the second spring 916 is sleeved on the guide pillar 904, the upper end of the guide pillar 904 is connected with the mounting plate 915, and the lower end of the guide pillar is fixedly arranged in the groove 802. The second spring 916 can be guided by the groove 802 and the guide post 904, so that the second spring 916 is prevented from being displaced.

Further optimize, in this embodiment, be provided with constant head tank 526 on the well limiting plate 901, be provided with the location arch on the mounting bracket, the location arch matches with constant head tank 526 each other, is convenient for realize the fixed and location to the mounting bracket, improves assembly efficiency and assembly precision.

Referring to fig. 24-28, the pushing assembly 10 of the present invention has the following specific structure:

the pushing assembly 10 comprises a first shifting block 1001, a second shifting block 1002 and a third torsion spring 1011 which are arranged on the bearing seat 2, a yielding groove 1003 is arranged on the surface of the bottom of the bearing seat 2, which is opposite to the limiting sliding groove 3, mounting grooves 1004 are arranged on two sides of the yielding groove 1003, and an arc-shaped groove 1005 communicated with the limiting sliding groove 3 is arranged at the bottom of each mounting groove 1004;

the end part of the mounting groove 1004 is provided with a tip 1007 part 1006, the first shifting block 1001 and the second shifting block 1002 are respectively provided with a tip 1007 corresponding to the tip 1007 part 1006, and one side of the mounting groove 1004 opposite to the tip 1007 part 1006 is provided with an arc-shaped surface 1008; the first shifting block 609 and the second shifting block 609 are respectively installed in installation grooves 1004 at two sides of the abdicating groove 1003, and a tip 1007 on the first shifting block 609 and the second shifting block 609 are in contact with the tip 1007 part 1006 and can rotate around the tip 1007 part 1006 in the installation grooves 1004; the first and second shifting blocks 609 are provided with a shifting column 1009 which penetrates through the arc-shaped groove 1005 and extends into the limiting sliding groove 3 for shifting the test card 5 to slide in the limiting sliding groove 3, and the first and second shifting blocks 609 are both installed in the installation groove 1004 through a torsion spring.

The first shifting block 609 and the second shifting block 609 can move in the mounting groove 1004 through the mounting groove 1004, and the first shifting block 609 and the second shifting block 609 can rotate by taking the position shown by the tip 1007 part 1006 as a circle center when moving in the mounting groove 1004 through the tip 1007 part 1006 and the tip 1007 arranged on the first shifting block 609 and the second shifting block 609; when the test card 5 is inserted into the limiting sliding groove 3, the limiting parts 533 arranged at two sides of the test card 5 can be clamped with the toggle column 1009, at this time, when the test card 5 is continuously pushed, under the action of the third torsion spring 1011, the first and second toggle blocks 609 can apply a pushing force to the test card 5, so that the test card 5 has an inward pushing force when being sent, and at this time, the toggle column 1009 is located at the innermost side of the arc-shaped groove 1005; when taking out test card 5, because arc type groove 1005 is the arc type structure, when pulling test card 5 released, at this moment, can release test card 5 under the effect of third torsional spring 1011, the user of being convenient for takes and has simple structure, design benefit's advantage, is convenient for realize that test card 5's automation is sent into.

Positioning rings 1010 are arranged at the end parts of two support legs of the third torsion spring 1011, one positioning ring 1010 of the third torsion spring 1011 is arranged in the abdicating groove 1003 through a screw, and the other positioning ring 1010 is used for being connected with the first shifting block 1001 or the second shifting block 1002;

therefore, the first shifting block 609 and the second shifting block 609 are connected with the third torsion spring 1011 through the arranged positioning ring 1010, and the assembling efficiency during assembling is improved.

Wherein the content of the first and second substances,

the side groove 1012 is arranged on one side, opposite to the tip 1007, of the first shifting block and the second shifting block, a threaded hole 1013 communicated with the side groove 1012 is arranged on the first shifting block and the second shifting block, a fastening screw is arranged in the threaded hole 1013, and a positioning ring 1010 on the other supporting leg of the third torsion spring 1011 is sleeved on the fastening screw, so that the third torsion spring 1011 is fixed through the set fastening screw, and the novel torsion spring is more convenient to use and assemble.

Arc-shaped grooves 1014 are formed in two sides of the mounting groove 1004, and arc-shaped protrusions corresponding to the arc-shaped grooves 1014 are formed on the first shifting block 609 and the second shifting block 609. So that the first and second moving blocks 609 can be attached to the side surface of the mounting groove 1004.

Wherein, a bottom plate 1015 is arranged on the bearing seat 2, and the bottom plate 1015 is used for covering the groove 802.

Further defined, the base plate 1015 is mounted on the carrier 2 by screws.

The toggle column 1009 includes a first toggle column 1016 and a second toggle column 1017.

Further optimization, in practical use, the bearing seat 2 is provided with a first microswitch 11 and a second microswitch 12, the first microswitch 11 is used for detecting whether the shifting block 609 is at an initial position, at the moment, the equipment is in a state to be detected, namely, when the lower end of the shifting block 609 is in contact with the driving part 704;

the second microswitch 12 is used for detecting the limit position of the dial 609, namely, the limit angle of the rotating shaft 605, and prevents the first, second and third squeezing parts 507 on the rotating shaft 605 from overtravel to cause damage to the equipment due to the overlarge rotating angle.

Further optimization, a third microswitch 13 is arranged on the bearing seat 2, and the third microswitch 13 is used for detecting whether the reagent card is in place;

it should be noted that the present invention further includes a control board, through which the first, second and third micro switches are connected to the motor 601; meanwhile, the heating module and the upper positioning heating assembly 905 are connected with the control panel and used for controlling and starting and stopping the temperature.

It should be noted that, in specific implementation, the control board and the detection and analysis main board may be integrated into a whole.

After the test card 5 is inserted and fixed, the detection probe 14 can contact with the sensor module 519 on the test card 5, so that detection is realized.

According to the utility model, the upper part and the lower part of the test card 5 are limited and fixed, and meanwhile, the test card 5 is heated, so that the test card 5 can not shift in the actual detection process, the contact between the sensor module 519 and the detection probe 14 is firmer, and the detection efficiency is further improved; more importantly, the utility model calibrates before detecting in the actual detecting process, realizes the aim of calibration and detection under the condition of ensuring the volume of the equipment, and ensures the accuracy of the result.

In some embodiments during implementation, the system further includes a first scanning head 15 and a second scanning head 16, the second scanning head 16 is used for scanning sample information before detection, the first scanning head 15 is used for reagent card information, and after information matching and automatic information entry are completed, a blood sample is injected into the reagent card for detection. The first scanning head 15 and the second scanning head 16 are connected to the detection and analysis main board 1.

Example two

This embodiment is substantially the same as the first embodiment, except that in this embodiment, the worm wheel 603 includes a rotating wheel 610 and a fan-shaped protrusion disposed on the rotating wheel 610, the rotating wheel 610 is mounted on the rotating shaft 605, and the fan-shaped protrusion is provided with worm wheel teeth capable of meshing with the worm 604. As the turning wheel 610 is provided with the fan-shaped protruding part, the fan-shaped protruding part is provided with worm gear teeth capable of being meshed with the worm 604; so that the wheel 610 and the sector 611 form an incomplete worm wheel 603, and the installation position can be greatly saved in practical use.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a blood gas analysis instrument, includes the detection analysis mainboard that is used for carrying out detection analysis to the blood sample which characterized in that: the test card also comprises a bearing seat, wherein a limiting sliding chute used for enabling the test card to slide in the direction is arranged on the bearing seat;

the pressing assembly, the top heating limiting assembly, the bottom heating limiting assembly, the pushing assembly and the driving assembly are arranged on the bearing seat; the pressurizing assembly and the top heating limiting assembly are positioned above the limiting sliding groove, and the bottom heating limiting assembly and the pushing assembly are positioned below the limiting sliding groove; the device comprises a pressurizing assembly, a top heating limiting assembly, a pushing assembly and a bottom heating limiting assembly from top to bottom in sequence;

the pressurizing assembly is used for extruding the gas storage area arranged on the test card;

the top heating limiting assembly is used for limiting and heating the top of the test card;

the bottom heating limiting assembly is used for limiting and heating the bottom of the test card;

the pushing assembly is used for driving the test card to enter and exit the limiting chute;

the driving assembly is used for driving the pressurizing assembly, the top heating limiting assembly and the bottom heating limiting assembly to move towards the direction of the test card; the end part of the top heating limiting assembly is provided with a detection probe which is used for being in contact with a test card, and the detection probe is connected with the detection analysis main board.

2. A blood gas analysis apparatus according to claim 1, wherein: the driving assembly comprises a motor, a driving shaft, a worm wheel, a worm and a rotating shaft, the rotating shaft is rotatably installed on the bearing seat, the motor is arranged on the bearing seat, the motor is connected with the worm through the driving shaft, the worm wheel is connected with the rotating shaft, the worm wheel and the worm are mutually meshed, a first extrusion part, a second extrusion part and a third extrusion part are sequentially arranged on the rotating shaft from left to right, and a shifting block is arranged at the end part of the rotating shaft;

the shifting block is used for driving the bottom heating limiting assembly to act;

the first extrusion part is used for extruding the calibration solution area on the test card;

the second extrusion part is used for driving the top heating limiting component to move towards the direction of the test card so as to limit and heat the test card;

the third extrusion portion is used for driving the pressurizing assembly to move towards the direction of the test card and extruding the gas storage area of the test card.

3. A blood gas analysis apparatus according to claim 2, wherein: the bearing seat is provided with a first L-shaped clamping plate and a second L-shaped clamping plate which are used for limiting the test card, and the first L-shaped clamping plate and the second L-shaped clamping plate are oppositely arranged to form the limiting sliding groove.

4. A blood gas analysis apparatus according to claim 3, wherein: a limiting through groove communicated with the limiting sliding groove is formed in the bearing seat;

the bottom heating limiting assembly comprises a lower limiting plate, a first torsion spring and a heating module, the lower limiting plate is hinged below the bearing seat, the first torsion spring is arranged between the lower limiting plate and the bearing seat, and under the action of the first torsion spring, after the lower limiting plate rotates around a hinge point formed between the lower limiting plate and the bearing seat, the end part of the lower limiting plate is close to the bottom of the bearing seat; the heating module is arranged at the end part of the lower limiting plate, and can be clamped with a positioning groove arranged at the bottom of the test card after passing through the limiting through groove; the lower limiting plate is provided with a driving part, and the shifting block can be contacted with the driving part after rotating and drives the lower limiting plate to rotate through the driving part.

5. A blood gas analysis apparatus according to claim 4, wherein: the lower limiting plate comprises a plate body and connecting parts arranged on two sides of the plate body, the connecting parts are arranged in parallel, an L-shaped limiting part is arranged in each connecting part, and a first torsion spring limiting groove is formed between each L-shaped limiting part and each connecting part; the lower end of the bearing seat is provided with a supporting part, the supporting part and the bearing seat form an installation area, the connecting part is rotatably installed in the installation area through a first rotating shaft, after the first torsion spring is sleeved on the first rotating shaft, one supporting leg of the first torsion spring is contacted with the supporting part, and the other supporting leg is clamped at the lower end of the first torsion spring limiting groove; the heating module is arranged on the plate body and used for limiting and heating the test card.

6. A blood gas analysis apparatus according to claim 2, wherein: the pressurizing assembly comprises an upper limiting plate and a second torsion spring, and the first L-shaped clamping plate and the second L-shaped clamping plate respectively form a groove with two side walls of the bearing seat;

the upper limiting plate comprises an extrusion plate, one end of the extrusion plate is perpendicular to the upper limiting plate, the extrusion plate is used for extruding a gas storage area arranged on the test card, the other end of the upper limiting plate is provided with two mounting rods, and the mounting rods correspond to the grooves; the mounting rod on the upper limiting plate is hinged in the groove, and the upper limiting plate is provided with a yielding groove;

the second torsion spring is arranged in the groove, one support leg of the second torsion spring is positioned in the groove, and the other support leg of the second torsion spring is in contact with the mounting rod; and under the action of the second torsion spring, the mounting rod is propped against the rotating shaft.

7. A blood gas analysis apparatus according to claim 2, wherein: the top heating limiting assembly comprises a middle limiting plate and an upper positioning heating assembly, the middle limiting plate is hinged on the bearing seat and is positioned above the limiting sliding chute, and a first spring is arranged between the middle limiting plate and the bearing seat;

the middle limiting plate is provided with a first abdicating groove, the middle limiting plate is rotatably provided with a rolling shaft, the second extrusion part is of a cam structure, the cam structure corresponds to the rolling shaft, and the rotating shaft is used for driving the middle limiting plate to move towards the direction of the test card when rotating;

the upper positioning heating assembly is arranged at the end part of the middle limiting plate and is used for positioning and heating the test card inserted in the limiting sliding groove.

8. A blood gas analysis apparatus according to claim 7, wherein: the middle limiting plate is provided with a circular shaft, the end part of the circular shaft is connected with a limiting block, the two ends of the limiting block are provided with first arc-shaped parts, a U-shaped groove and a circular groove are arranged on the bearing seat and communicated with each other, the U-shaped groove and the circular groove have a common opening end, the circumferential diameter of the first arc-shaped part is the same as that of the circular groove, the limiting block is positioned in the circular groove after the middle limiting plate is installed in the U-shaped groove through circumferential rotation, and the first arc-shaped parts on the limiting block are matched with the circular groove;

go up location heating element and include heating piece, mounting panel, second spring and spliced pole, the mounting panel passes through the fixed setting of spliced pole on well limiting plate, is provided with logical groove on the well limiting plate, the heating piece is T type structure including heating base and hot plate, heating base, and the hot plate setting is on heating base, and heating base slidable mounting is provided with the second spring between heating base and the mounting panel in leading to the inslot.

9. A blood gas analysis apparatus according to claim 2, wherein: the pushing assembly comprises a first shifting block, a second shifting block and a third torsion spring which are arranged on the bearing seat, a yielding groove is arranged on the opposite surface of the bottom of the bearing seat and the limiting chute, mounting grooves are arranged on two sides of the yielding groove, and an arc-shaped groove communicated with the limiting chute is arranged at the bottom of the mounting groove;

the end part of the mounting groove is provided with a tip part, the first shifting block and the second shifting block are respectively provided with a tip corresponding to the tip part, and one side of the mounting groove opposite to the tip part is an arc-shaped surface; the first shifting block and the second shifting block are respectively arranged in mounting grooves at two sides of the abdicating groove, and tips on the first shifting block and the second shifting block are in contact with the tip and can rotate around the tip in the mounting grooves; the first shifting block and the second shifting block are provided with shifting columns which penetrate through the arc-shaped grooves and extend into the limiting sliding grooves to shift the test card to slide in the limiting sliding grooves, and the first shifting block and the second shifting block are both installed in the installation grooves through a torsion spring.

10. A blood gas analysis apparatus according to claim 9, wherein: positioning rings are arranged at the end parts of two support legs of the third torsion spring, one positioning ring of the third torsion spring is installed in the abdicating groove through a screw, and the other positioning ring is used for being connected with the first shifting block or the second shifting block;

the side groove is formed in one side, opposite to the tip end, of each of the first shifting block and the second shifting block, threaded holes communicated with the side grooves are formed in the first shifting block and the second shifting block, fastening screws are arranged in the threaded holes, and positioning rings on the other supporting leg of the torsion spring are sleeved on the fastening screws.

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