CN117517418A - Blood gas analyzer and method for improving detection accuracy - Google Patents
Blood gas analyzer and method for improving detection accuracy Download PDFInfo
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- CN117517418A CN117517418A CN202410010087.4A CN202410010087A CN117517418A CN 117517418 A CN117517418 A CN 117517418A CN 202410010087 A CN202410010087 A CN 202410010087A CN 117517418 A CN117517418 A CN 117517418A
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- 239000008280 blood Substances 0.000 title claims abstract description 51
- 210000004369 blood Anatomy 0.000 title claims abstract description 51
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 104
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 12
- 238000004868 gas analysis Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 18
- 239000000523 sample Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/283—Means for supporting or introducing electrochemical probes
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- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a blood gas analyzer and a method for improving detection precision, which belong to the technical field of blood gas testing, wherein the blood gas analyzer comprises a bearing seat, a limiting chute arranged on the bearing seat and used for enabling a test card to directionally slide, a driving assembly and a pushing assembly, wherein the driving assembly is used for driving a pressurizing assembly, a top heating limiting assembly and a bottom heating limiting assembly in the blood gas analyzer to move towards the test card, a pushing mechanism is arranged in the limiting chute on the bearing seat, and the pushing mechanism is used for pushing the test card to enter a preset position in the limiting chute; the invention can solve the technical problems that the test card in the prior art cannot reach the preset position, cannot accurately position the test card, is easy to cause equipment damage and causes inaccurate detection result.
Description
Technical Field
The invention relates to the technical field of blood gas analysis, in particular to a blood gas analyzer and a method for improving detection accuracy.
Background
The blood gas analyzer is based on electrochemical principle and is used for quantitatively detecting pH value (pH) and partial pressure (P) of carbon dioxide in arterial whole blood sampleCO 2 ) Partial Pressure of Oxygen (PO) 2 ) And an electrolyte and other relevant indexes. When a blood gas analyzer detects a blood sample, the blood sample to be detected is generally injected into a test card, and then the test card is inserted into the blood gas analyzer, so that the detection of the blood sample is realized through electrodes in a sensor module.
The application number of this department is: the invention of CN202111448471.5 (prior art 1) discloses a blood gas detection method, which comprises the following steps of using a blood gas analyzer to detect blood gas: step 1: the second scanning head scans sample information; step 2: after the first scanning head scans the information of the test card, the driving assembly firstly drives the top heating limiting assembly and the bottom heating limiting assembly to move towards the direction of the test card to limit and fix the test card; then a first extruding part arranged on the rotating shaft in the driving assembly extrudes a calibration liquid area on the test card, so that the calibration liquid in the calibration liquid area enters a sample flow channel of the test card to calibrate a sensor module in the test card; simultaneously, the driving assembly pressurizing assembly presses the air storage area on the test card. The position through the test card is limited, so that the situation that the test card shifts in the test can be prevented, and the accuracy of the detection result is further ensured. Meanwhile, the invention also discloses a specific mechanism of the blood gas analysis instrument, when the test card is automatically positioned and heated, the sensor module on the test card is ensured to be accurately contacted with the contact of the detection probe, the normal detection is ensured, the error rate of detection can be reduced after the test card is limited, and the accuracy of the detection result is improved.
The invention is provided with the top heating limiting component and the bottom heating limiting component, and the purposes of arranging the top heating limiting component and the bottom heating limiting component are not only heating, but also positioning, and the purposes of positioning and detecting are realized; according to the invention, the positioning of the test card is realized through the lower heating module, and meanwhile, the heating of the test card is realized, so that the test is ensured, the test accuracy can be effectively improved, and the condition that the detection result accuracy is reduced due to the sliding of the test card is avoided.
However, the application finds that in the prior art 1, the test card enters the limiting chute by the pushing component, but the pushing component mainly uses the torsion spring to realize pushing, when the torsion spring is tired, the condition of the chuck can occur during use, and the test card can stop after not reaching the preset position; at this moment, the spacing subassembly of top heating, the spacing subassembly of bottom heating can not align with the preset point position on the test card, and the location effect is not good, can also cause the spacing subassembly of drive assembly unable drive top heating, the spacing subassembly of bottom heating to remove simultaneously, and the spacing subassembly of top heating, the spacing subassembly of bottom heating are blocked by the test card is spacing after, cause the damage of equipment easily.
Disclosure of Invention
The invention aims to provide a blood gas analyzer and a blood gas analyzer method for improving detection precision, which can solve the technical problems that a test card cannot reach a preset position in the prior art, accurate positioning of the test card cannot be realized, equipment damage is easy to cause, and a detection result is inaccurate.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an improve blood gas analyzer of detection precision, includes and bears the weight of the seat, sets up and be used for making the spacing spout that test card directionally slid on bearing the weight of the seat, drive assembly and push assembly, drive assembly is arranged in driving pressurization subassembly, top heating spacing subassembly and the bottom heating spacing subassembly in the blood gas analyzer to test card direction removal, is provided with pushing mechanism in the spacing spout on bearing the weight of the seat, pushing mechanism is arranged in pushing test card to enter into the preset position in the spacing spout; the pushing mechanism comprises a transverse plate, a sliding block, a spring, a tension spring and an extrusion column, wherein the transverse plate is slidably arranged in a limiting chute on the bearing seat, the transverse plate moves perpendicular to the moving direction of the test card, the sliding block is arranged on the transverse plate and connected with the spring, a limiting part is arranged on the transverse plate, the sliding block is contacted with the limiting part under the action of the spring, the extrusion column is arranged on a middle limiting plate in the pressurizing assembly, one end of the tension spring is connected with the transverse plate, the other end of the tension spring is connected with the middle limiting plate, and the transverse plate is contacted with the middle limiting plate under the action of the tension spring; the sliding block is provided with a first inclined plane, the test card is provided with a protrusion, the protrusion is provided with a second inclined plane, and the first inclined plane on the sliding block is contacted with the second inclined plane of the protrusion on the test card to push the test card to move to a preset position.
Further, a sliding groove is arranged on the bearing seat, and a sliding part matched with the sliding groove is arranged on the transverse plate.
Wherein, the sliding groove and the sliding part are in a T-shaped structure or a dovetail-shaped structure.
Further, a chute is arranged on the transverse plate, the sliding block is arranged in the chute in a sliding way, and the spring is positioned in the chute and connected with the chute wall.
Preferably, a guide rod is arranged in the chute, a guide hole is arranged on the sliding block, the guide rod is in sliding connection with the sliding block through a sliding sleeve or a linear bearing arranged in the guide hole, the guide rod is a stepped guide rod, and the stepped surface forms the limiting part.
Wherein, the guide rod is provided with a buffer cushion at the step surface.
Wherein, the bulge and the test card are manufactured by an integral molding process.
Preferably, a rotating wheel is rotatably arranged on the extrusion column, and the rotating wheel is contacted with the transverse plate.
The invention also discloses a blood gas analysis method for improving the detection precision, which comprises the step of using the blood gas analyzer to carry out blood gas analysis detection.
Compared with the prior art, the invention has the following beneficial effects:
when the test card is used, the test card is inserted into the limit chute, the test card enters the limit chute under the action of the pushing component, in the test process, the driving component drives the pressurizing component, the top heating limit component and the bottom heating limit component in the blood gas analyzer to move towards the test card, the middle limit plate in the pressurizing component drives the transverse plate to move towards the test card when moving towards the test card, the test card is pushed inwards under the action of the first inclined plane and the second inclined plane, the test card can reach a preset position, the middle limit plate continuously moves, the sliding block and the test card keep relatively static under the action of the spring, the sliding block continuously applies pushing force to the test card, under the dual action of the pushing component, the test card can reach the preset position each time, the top heating limit component and the bottom heating limit component can be aligned with preset points on the test card accurately, the accurate positioning of the test card is ensured, the heating effect is ensured, the damage condition of equipment caused after the top heating limit component and the bottom heating limit component are blocked by the test card is avoided, and the test result accuracy is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of a connection relationship between a limiting plate and a bearing seat in the present invention.
Fig. 3 is a schematic view of the invention after insertion of a test card.
FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3 in accordance with the present invention.
FIG. 5 is a schematic diagram illustrating the insertion of the test card of FIG. 4 according to the present invention.
Fig. 6 is an enlarged partial schematic view of fig. 5 a in accordance with the present invention.
Fig. 7 is a schematic diagram showing the matching relationship between the output shaft and the driving shaft of the motor according to the present invention.
Reference numerals:
101-bearing seat, 102-test card, 103-limit chute, 104-driving component, 105-pushing component, 106-pressurizing component, 107-top heating limiting component, 108-bottom heating limiting component, 109-pushing mechanism, 110-transverse plate, 111-sliding block, 112-spring, 113-tension spring, 114-extrusion column, 115-bolt, 116-first inclined plane, 117-protrusion, 118-second inclined plane, 119-sliding groove, 120-chute, 121-guide rod, 122-buffer pad, 123-motor, 124-driving shaft, 125-worm wheel, 126-worm, 127-rotating shaft, 128-flat part, 129-mounting hole, 130-bolt hole, 131-middle limiting plate.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present invention and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.
In embodiments of the invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1-7, the embodiment discloses a blood gas analyzer with improved detection precision, which comprises a bearing seat 101, a driving component 104, a pushing component 105 and a limit chute 103 arranged on the bearing seat 101 and used for enabling a test card 102 to directionally slide, wherein the driving component 104 is used for driving a pressurizing component 106, a top heating limit component 107 and a bottom heating limit component 108 in the blood gas analyzer to move towards the test card 102;
a pushing mechanism 109 is arranged on the bearing seat 101 and positioned in the limit chute 103, and the pushing mechanism 109 is used for pushing the test card 102 into a preset position in the limit chute 103; the pushing mechanism 109 comprises a transverse plate 110, a sliding block 111, a spring 112, a tension spring 113 and an extrusion column 114, wherein the transverse plate 110 is slidably arranged in a limit chute 103 on the bearing seat 101, the transverse plate 110 moves perpendicular to the moving direction of the test card 102, the sliding block 111 is arranged on the transverse plate 110 and connected with the spring 112, a limit part is arranged on the transverse plate 110, the sliding block 111 is contacted with the limit part under the action of the spring 112, the extrusion column 114 is arranged on a middle limit plate 131 in the pressurizing assembly 106, one end of the tension spring 113 is connected with the transverse plate 110, the other end of the tension spring 113 is connected with the middle limit plate 131, and the transverse plate 110 is contacted with the middle limit plate 131 under the action of the tension spring 113; the sliding block 111 is provided with a first inclined plane 116, the test card 102 is provided with a protrusion 117, the protrusion 117 is provided with a second inclined plane 118, and the first inclined plane 116 on the sliding block 111 is contacted with the second inclined plane 118 of the protrusion 117 on the test card 102 to push the test card 102 to move to a preset position.
According to the invention, when the test card 102 is inserted into the limit chute 103 during use, the test card 102 enters the limit chute 103 under the action of the pushing component, in the test process, the driving component 104 drives the pressurizing component 106, the top heating limit component 107 and the bottom heating limit component 108 in the blood gas analyzer to move towards the test card 102, when the middle limit plate 131 in the pressurizing component 106 moves towards the test card 102, the transverse plate 110 is driven to move towards the test card 102, the test card 102 is pushed inwards under the action of the first inclined plane 116 and the second inclined plane 118, so that the test card 102 can reach a preset position, the middle limit plate 131 continuously moves, at the moment, the sliding block 111 keeps relative static with the test card 102 under the action of the spring 112, at the moment, the sliding block 111 continuously applies thrust to the test card 102, under the dual action of the pushing component 105, the test card 102 can reach the preset position each time, the top heating limit component 107 and the bottom heating limit component 108 can be accurately aligned with the preset point on the test card 102, the accurate positioning of the test card 102 is ensured, the heat limit component 108 is prevented from being damaged, and the test result is prevented from being damaged after the top heating limit component is heated, and the test card 102 is prevented from being damaged.
Wherein, the bearing seat 101 is provided with a sliding groove 119, and the transverse plate 110 is provided with a sliding part matched with the sliding groove 119; the sliding groove 119 and the sliding portion have a T-shaped structure or a dovetail-shaped structure, so that the transverse plate 110 is more stable when moving.
The transverse plate 110 is provided with a sliding groove 120, the sliding block 111 is slidably arranged in the sliding groove 120, the spring 112 is positioned in the sliding groove 120 and is connected with the wall of the sliding groove 120, the sliding block 111 and the spring 112 can be hidden through the sliding groove 120, the occupied space of the sliding block 111 is reduced, and the size is reduced.
The sliding groove 120 is internally provided with a guide rod 121, the sliding block 111 is provided with a guide hole, the guide rod 121 is in sliding connection with the sliding block 111 through a sliding sleeve or a linear bearing arranged in the guide hole, the spring 112 is sleeved on the guide rod 121, the guide rod 121 is a stepped guide rod, and the stepped surface forms the limiting part.
The guide rod 121 can guide the sliding block 111, so that the sliding block 111 is more stable in moving.
Wherein, the guide rod 121 is provided with a buffer pad 122 at the step surface to reduce vibration.
Wherein the protrusion 117 and the test card 102 are manufactured by an integral molding process.
According to the invention, the defects brought by adopting the torsion spring pushing component in the prior art can be effectively overcome through the pushing mechanism 109, the pushing component can facilitate the test card 102 to enter and exit the limit chute 103, so that the test card 102 has a pushing force in and out of the limit chute 103, the test card 102 enters the limit chute 103 more conveniently, the arranged pushing mechanism 109 can ensure the in-place safety of the test card 102, the test card 102 can reach a preset position each time, the stability of the device in use and the uniqueness of the test card in detecting the preset position are improved, and the accuracy of a test result can be effectively ensured.
In actual use, the squeeze column 114 is rotatably provided with a wheel that contacts the cross plate 110. The rollers are provided to avoid wear after the compression column 114 is in direct contact with the cross plate 110.
It should be noted that the spring coefficient of the spring 112 may be slightly larger to ensure that the spring 112 has sufficient spring force, which will not be described in detail herein.
The present embodiment does not relate to improvements of the driving assembly 104, the pushing assembly 105, the pressurizing assembly 106, the top heating limiting assembly 107 and the bottom heating limiting assembly 108, and the structures thereof will not be described herein.
In addition, the embodiment also discloses a blood gas analysis method for improving the detection precision, which mainly uses the blood gas analyzer with the structure to carry out blood gas analysis and detection.
Example two
This embodiment is further optimized on the basis of the first embodiment, in which the drive assembly 104 is structured as follows,
the driving assembly 104 comprises a motor 123, a driving shaft 124, a worm wheel 125, a worm 126 and a rotating shaft 127, wherein the rotating shaft 127 is rotatably arranged on the bearing seat 101, the motor 123 is connected with the worm 126 through the driving shaft 124, the worm wheel 125 is connected with the rotating shaft 127, the worm wheel 125 is meshed with the worm 126, a first extrusion part, a second extrusion part and a third extrusion part are sequentially arranged on the rotating shaft 127 from left to right, and a shifting block is arranged at the end part of the rotating shaft 127;
the shifting block is used for driving the bottom heating limiting assembly 108 to act;
the first squeezing part is used for squeezing a calibration liquid area on the test card 102;
the second extrusion part is used for driving the top heating limiting component 107 to move towards the direction of the test card 102 to limit and heat the test card 102;
the third pressing part is used for moving the pressing assembly 106 towards the direction of the test card 102 and pressing the air storage area of the test card 102. The worm wheel 125 worm 126 that sets up forms a drive mechanism, and motor 123 passes through worm wheel 125 worm 126 with power transmission to pivot 127, and then makes pivot 127 rotate, and the pivot 127 can realize the drive to top heating spacing subassembly 107, bottom heating spacing subassembly 108 and pressurization subassembly 106 when rotating, and then realizes the location and the extrusion to test card 102.
In practical use, in order to ensure that the torque output by the motor 123 is effectively output, the output shaft of the motor 123 and the driving shaft 124 are usually fixed by screws, because clearance fit is adopted between the output shaft of the motor 123 and the mounting hole 129 on the driving shaft 124, when the motor 123 and the driving shaft 124 cannot be completely concentric after being assembled by the screws, and meanwhile, when the driving shaft 124 is mounted on the bearing seat 101, clearance fit is also adopted, after the motor 123 is reinforced by the screws, the output shaft of the motor 123 is also subjected to axial force due to the clearance between the driving shaft 124 and the bearing seat 101 when the mechanism rotates, the motor 123 is subjected to radial force and axial force simultaneously in long-term operation, the internal bearings and gears are easy to be abnormally worn, and the service life of the motor 123 is reduced along with the accumulation of wear.
In this embodiment, the output shaft of the motor 123 is a flat square shaft with a flat portion 128, the driving shaft 124 is provided with a mounting hole 129 corresponding to the output shaft of the motor 123, the side surface of the driving shaft 124 is provided with a bolt hole 130, and the bolt hole 130 is communicated with the mounting hole 129; after the output shaft of the motor 123 is matched with the mounting hole 129, the bolt 115 passes through the bolt hole 130, and then the side surface of the bolt 115 is contacted with the flat part 128 on the output shaft of the motor 123; in practical use, by adopting the mounting mode, the output shaft of the motor 123 can axially move slightly in the driving shaft 124, so that clearance fit is eliminated when the driving shaft 124 is mounted on the bearing seat 101, and in the conventional fixing mode, the output shaft of the motor 123 is subjected to axial force due to movement clearance when driving rotation; meanwhile, the flat part 128 of the output shaft of the motor 123 is effectively contacted with the bolt 115 on the driving shaft 124, so that torque output can be ensured, the situation that the output shaft of the motor 123 rotates around the inside of the driving shaft 124 and skids can not happen, and the situation that the output shaft of the motor 123 and the driving shaft 124 are not concentric due to locking and fixing in a conventional fixing mode can be avoided. The method can avoid the radial force and axial force applied to the output shaft of the motor 123 in a conventional fixed mode, reduce the abrasion of the bearings and gears inside the motor 123, and prolong the service life of the motor 123.
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. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. The utility model provides an improve blood gas analysis appearance of detection precision, includes and bears the seat, sets up and is used for making test card directional gliding spacing spout, drive assembly and propelling movement subassembly on bearing the seat, drive assembly is arranged in the pressurization subassembly, top heating spacing subassembly and the bottom heating spacing subassembly in the drive blood gas analysis appearance to test card direction removal, its characterized in that:
a pushing mechanism is arranged in the limiting chute on the bearing seat and used for pushing the test card to enter a preset position in the limiting chute; the pushing mechanism comprises a transverse plate, a sliding block, a spring, a tension spring and an extrusion column, wherein the transverse plate is slidably arranged in a limiting chute on the bearing seat, the transverse plate moves perpendicular to the moving direction of the test card, the sliding block is arranged on the transverse plate and connected with the spring, a limiting part is arranged on the transverse plate, the sliding block is contacted with the limiting part under the action of the spring, the extrusion column is arranged on a middle limiting plate in the pressurizing assembly, one end of the tension spring is connected with the transverse plate, the other end of the tension spring is connected with the middle limiting plate, and the transverse plate is contacted with the middle limiting plate under the action of the tension spring; the sliding block is provided with a first inclined plane, the test card is provided with a protrusion, the protrusion is provided with a second inclined plane, and the first inclined plane on the sliding block is contacted with the second inclined plane of the protrusion on the test card to push the test card to move to a preset position.
2. The blood gas analyzer of claim 1, wherein the blood gas analyzer further comprises: the bearing seat is provided with a sliding groove, and the transverse plate is provided with a sliding part matched with the sliding groove.
3. The blood gas analyzer of claim 2, wherein the blood gas analyzer further comprises: the sliding groove and the sliding part are in a T-shaped structure or a dovetail-shaped structure.
4. The blood gas analyzer of claim 2, wherein the blood gas analyzer further comprises: the transverse plate is provided with a chute, the sliding block is arranged in the chute in a sliding way, and the spring is positioned in the chute and connected with the chute wall.
5. The blood gas analyzer of claim 4, wherein the blood gas analyzer further comprises: the sliding groove is internally provided with a guide rod, the sliding block is provided with a guide hole, the guide rod is in sliding connection with the sliding block through a sliding sleeve or a linear bearing arranged in the guide hole, the guide rod is a stepped guide rod, and the stepped surface forms the limiting part.
6. The blood gas analyzer of claim 5, wherein the blood gas analyzer further comprises: the guide rod is provided with a buffer cushion at the step surface.
7. The blood gas analyzer of claim 1, wherein the blood gas analyzer further comprises: the bulge and the test card are manufactured through an integral molding process.
8. A blood gas analyzer according to any one of claims 1-7, wherein the accuracy of the measurement is improved by: the extrusion column is rotatably provided with a rotating wheel, and the rotating wheel is contacted with the transverse plate.
9. A blood gas analysis method for improving detection accuracy is characterized in that: comprising performing a blood gas analysis test using the blood gas analyzer of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410010087.4A CN117517418B (en) | 2024-01-04 | 2024-01-04 | Blood gas analyzer and method for improving detection accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410010087.4A CN117517418B (en) | 2024-01-04 | 2024-01-04 | Blood gas analyzer and method for improving detection accuracy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117517418A true CN117517418A (en) | 2024-02-06 |
| CN117517418B CN117517418B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410010087.4A Active CN117517418B (en) | 2024-01-04 | 2024-01-04 | Blood gas analyzer and method for improving detection accuracy |
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