CN109444394B - Blood gas biochemical analyzer - Google Patents
Blood gas biochemical analyzer Download PDFInfo
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- CN109444394B CN109444394B CN201811273742.6A CN201811273742A CN109444394B CN 109444394 B CN109444394 B CN 109444394B CN 201811273742 A CN201811273742 A CN 201811273742A CN 109444394 B CN109444394 B CN 109444394B
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
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Abstract
The invention discloses a blood gas biochemical analyzer, which is used for detecting blood samples by matching with a test card, and comprises: the shell is provided with a card inserting opening; the signal detection structure is arranged in the shell and comprises a signal receiving board and a signal processing board, the signal receiving board is connected with the signal processing board, and the signal receiving board is arranged corresponding to the card inserting opening and used for being abutted against a test chip of the test card; the temperature control structure comprises a heater assembly arranged in the shell, and the heater assembly is used for heating a test area of the test card; the reagent filling control structure is arranged in the shell and comprises a top valve piece and an extrusion piece, the top valve piece is used for abutting against the valve plate to communicate a reagent flow channel of the test card with the test chip, and the extrusion piece is used for extruding a reagent bag of the test card so that the reagent in the reagent bag flows to the test chip through the reagent flow channel. The invention has the advantages of short test period, high test precision, and convenient carrying and use.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a blood gas biochemical analyzer.
Background
The existing blood gas biochemical analyzer is large in size, heavy and inconvenient to carry and use. Before the blood sample is tested, the blood sample (such as arterial blood, venous blood, mixed venous blood, umbilical cord arterial blood and capillary blood) needs to be taken, and then the blood sample is sent to a fixed place of a blood-gas biochemical analyzer for detection. The time interval from the blood sampling to the test result obtaining is longer, the test period is prolonged, the test result is not accurate enough, and the longer test period increases the disease diagnosis period and has low diagnosis efficiency.
Disclosure of Invention
The invention mainly aims to provide a blood gas biochemical analyzer, and aims to solve the technical problems that the blood gas biochemical analyzer in the prior art is long in test period, inaccurate in test result and inconvenient to carry and use.
In order to achieve the above object, the present invention provides a blood gas biochemical analyzer, which is used for detecting a blood sample in cooperation with a test card, wherein the test card includes a reagent pack, a reagent flow channel, a test chip and a valve plate, the test chip is disposed in a test area of the test card, the valve plate is used for communicating or blocking the reagent flow channel and the test chip, and the blood gas biochemical analyzer includes:
the test card comprises a shell, a test card and a test card, wherein the shell is provided with a card inserting opening for inserting the test card;
the signal detection structure is arranged in the shell and comprises a signal receiving board and a signal processing board, the signal receiving board is connected with the signal processing board, and the signal receiving board is arranged corresponding to the card inserting opening and used for being abutted against the test chip;
the temperature control structure comprises a heater assembly arranged in a shell, and the heater assembly is used for heating a test area of the test card;
the reagent filling control structure is arranged in the shell and comprises a top valve piece and an extrusion piece, the top valve piece is used for abutting against the valve plate to communicate the reagent flow channel with the test chip, and the extrusion piece is used for extruding the reagent bag so that the reagent in the reagent bag flows to the test chip through the reagent flow channel.
Preferably, the signal detection structure further comprises a mounting seat, a card insertion space communicated with the card insertion opening is formed above the mounting seat, and the signal receiving board and the signal processing board are both mounted on the upper surface of the mounting seat; the signal detection structure further comprises a driving assembly, wherein the driving assembly is used for driving the mounting base to move upwards so that the signal receiving board is abutted to the test chip inserted into the card inserting space.
Preferably, drive assembly includes dog and fixed axle, the dog is installed the upper surface of mount pad just is located the signal receiver board is kept away from the position of plug-in card mouth, the dog be used for with the test card butt, the fixed axle is installed on the casing, the spout has been seted up to the both sides of mount pad, the spout be used for with the fixed axle sliding contact cooperation, move towards on the spout one side of plug-in card mouth is less than keep away from on the spout one side of plug-in card mouth, so that the dog drives the mount pad can be driven when moving towards the direction of keeping away from plug-in card mouth the mount pad upward movement.
Preferably, the signal detection structure further comprises a return spring, one end of the return spring is connected with the mounting seat, and the other end of the return spring is connected with the shell.
Preferably, the upper surface of mount pad is formed with elastic bulge, elastic bulge is provided with the elasticity piece of a plurality of interval arrangements, the signal receiving board is installed elastic bulge is last, just the signal receiving board is provided with a plurality of contact pieces, contact piece be used for with the contact of test chip is a plurality of contact piece and a plurality of the quantity of elasticity piece is unanimous and the one-to-one is arranged.
Preferably, the heater assembly includes an upper heater and a lower heater, the upper heater and the lower heater are respectively and correspondingly located above and below the card insertion space, the upper heater is mounted on the housing, the lower heater is mounted on the mounting seat, and the lower heater can cooperate with the upper heater to clamp the test card inserted into the card insertion space when the mounting seat moves upwards so as to heat the test area of the test card.
Preferably, the reagent filling control structure comprises a support member, a roller assembly and a cam assembly, the top valve member and the extrusion member are arranged on the upper surface of the support member, the roller assembly is located below the support member, and the cam assembly is used for being matched with the roller assembly to drive the roller assembly to abut against the support member.
Preferably, the roller assembly includes a first roller and a second roller, the lower surface of the support member is formed with a first mounting groove and a second mounting groove, the first roller is mounted in the first mounting groove and disposed corresponding to the overhead valve member, and the second roller is mounted in the second mounting groove and disposed corresponding to the extrusion member; the cam assembly comprises a first cam, a second cam and a power assembly used for driving the first cam and the second cam to rotate, the first cam is used for being in contact fit with the first idler wheel so as to drive the first idler wheel to abut against the upper groove wall of the first mounting groove, and the second cam is used for being in contact fit with the second idler wheel so as to drive the second idler wheel to abut against the upper groove wall of the second mounting groove.
Preferably, the reagent filling control structure further comprises a limiting member, the limiting member is located above the supporting member, and the test card can be inserted between the supporting member and the limiting member.
Preferably, the blood gas biochemical analyzer further comprises a dust cover, the dust cover is hinged to the shell, and the dust cover is arranged corresponding to the inserting opening.
Compared with the existing blood-gas biochemical analyzer, the blood-gas biochemical analyzer is integrated with the signal detection structure, the temperature control structure and the reagent filling control structure, and the signal detection structure, the temperature control structure and the reagent filling control structure are contained in the shell, so that the blood-gas biochemical analyzer is compact and small in structure, realizes integrated design and miniaturized design, is convenient to carry and use, can carry out instant and rapid test, shortens the test period, further shortens the disease diagnosis period, and improves the diagnosis efficiency. In addition, the blood gas biochemical analyzer can provide a stable temperature field for a test area of the test card in the test process, can accurately control the reagent filling amount, and has smooth electric signal conduction in the test process to obtain an accurate test result. The blood gas biochemical analyzer can shorten the test period and improve the accuracy of the test result at the same time, and has the advantages of short test period, high test accuracy and convenient carrying and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the blood gas biochemical analyzer assembled after insertion into a test card according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a test card according to an embodiment of the present invention;
FIG. 3 is an exploded view of the blood gas biochemical analyzer after being inserted into a test card according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a blood gas biochemical analyzer after being inserted into a test card according to an embodiment of the present invention;
FIG. 5 is an enlarged view of A in FIG. 4;
FIG. 6 is an assembly view of the signal detection structure and the temperature control structure when the test card does not push the mounting base to move backward after the blood gas biochemical analyzer is inserted into the test card according to the embodiment of the invention;
FIG. 7 is an assembly view of the signal detection structure and the temperature control structure after the blood gas biochemical analyzer is inserted into the test card and the test card pushes the mounting base to move backward according to an embodiment of the present invention;
FIG. 8 is an exploded view of a heater and a signal detection structure of a blood gas biochemical analyzer according to an embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The description of the orientations of "up", "down", "front", "back", etc. in the present invention, with reference to the orientations shown in fig. 4 and 6, is merely for explaining the relative positional relationship between the respective components in the postures shown in fig. 4 and 6, and if the specific posture is changed, the directional indication is changed accordingly.
The invention provides a blood gas biochemical analyzer.
As shown in fig. 1 to 8, in an embodiment of the invention, the blood gas biochemical analyzer 100 is used for detecting a blood sample in cooperation with a test card 200, the test card 200 may adopt the prior art, the test card 200 includes a reagent pack 201, a reagent flow channel 202, a test chip 203 and a valve plate 204, the test chip 203 is disposed in a test area of the test card 200, and the valve plate 204 is used for communicating or blocking the reagent flow channel 202 and the test chip 203. It will be appreciated that during testing, reagent in the reagent pack 201 can flow through the reagent flow channels 202 to the test chip 203 when the valve flap 204 is open, and reagent in the reagent pack 201 is prevented from flowing through the reagent flow channels 202 to the test chip 203 when the valve flap 204 is closed.
The blood gas biochemical analyzer 100 of the present embodiment includes a housing 1, a signal detection structure 2, a temperature control structure 3, and a reagent filling control structure 4, wherein the housing 1 is provided with a card insertion opening 11, and the card insertion opening 11 is used for inserting a test card 200; the signal detection structure 2 is arranged in the shell 1, the signal detection structure 2 comprises a signal receiving board 21 and a signal processing board 22, the signal receiving board 21 and the signal processing board 22 can be connected in a welding mode, and the signal receiving board 21 is arranged corresponding to the card slot 11 and is used for abutting against the test chip 203; the temperature control structure 3 comprises a heater assembly 31 mounted in the housing 1, the heater assembly 31 being used for heating the test area of the test card 200; it is understood that the heater assembly 31 of the present embodiment can be connected to the temperature control main board of the blood gas biochemical analyzer 100 to control the heater assembly 31, so that the test area of the test card 200 is stably maintained within the required temperature range. The reagent filling control structure 4 is installed in the housing 1, the reagent filling control structure 4 comprises a top valve member 41 and an extrusion member 42, the top valve member 41 is used for abutting against a valve plate 204 to communicate the reagent flow channel 202 with the test chip 203, and the extrusion member 42 is used for extruding the reagent bag 201, so that the reagent in the reagent bag 201 flows to the test chip 203 through the reagent flow channel 202.
When the blood gas biochemical analyzer 100 of the present embodiment is used, the test card 200 is inserted into the housing 1 through the insertion opening 11, the test chip 203 of the test card 200 abuts against the signal receiving board 21, the heater assembly 31 heats the test area of the test card 200 and stably maintains the temperature of the test area within a required temperature range, so as to provide a stable temperature field for the test area of the test card 200 and improve the accuracy of the test result. The reagent filling control structure 4 can push the valve plate 204 through the top valve 41 to open the valve plate 204, the reagent flow channel 202 is communicated with the test chip 203, and the extrusion piece 42 extrudes the reagent pack 201, so that the reagent in the reagent pack 201 flows onto the test chip 203 through the reagent flow channel 202, the accurate control of the reagent filling amount is realized, and the accuracy of the test result is improved. After the reagent flows onto the test chip 203, the test chip 203 reacts with the reagent and the blood sample to generate an electrical signal, the signal receiving board 21 receives the electrical signal generated on the test chip 203 and transmits the electrical signal to the signal processing board 22, and the signal processing board 22 processes the received electrical signal and finally generates a test result to complete the test process.
Compared with the existing blood gas biochemical analyzer, the blood gas biochemical analyzer 100 of the embodiment is integrated with the signal detection structure 2, the temperature control structure 3 and the reagent filling control structure 4, and the signal detection structure 2, the temperature control structure 3 and the reagent filling control structure 4 are contained in the shell 1, so that the blood gas biochemical analyzer is compact and small in structure, realizes integrated design and miniaturized design, is convenient to carry and use, can perform instant and rapid test, shortens the test period, further shortens the disease diagnosis period, and improves the diagnosis efficiency. In addition, the blood gas biochemical analyzer 100 of the present embodiment can provide a stable temperature field for the test area of the test card 200 during the test process, and at the same time, can accurately control the reagent filling amount, and the electric signal conduction is smooth during the test process, so as to obtain an accurate test result. The blood gas biochemical analyzer 100 of the embodiment can shorten the test period and improve the accuracy of the test result, and has the advantages of short test period, high test accuracy, and convenience in carrying and use.
In this embodiment, the signal detecting structure 2 further includes a mounting seat 23, a card insertion space 12 communicated with the card insertion opening 11 is formed above the mounting seat 23, and when the test card 200 is inserted, the card insertion space 12 is used for accommodating the test card 200. Signal receiving board 21 and signal processing board 22 are all installed at the upper surface of mount 23, and signal receiving board 21 is close to the setting of bayonet 11, and signal processing board 22 is far away from the setting of bayonet 11. The signal detection structure 2 further comprises a driving assembly 24, the driving assembly 24 is used for driving the mounting seat 23 to move upwards, the mounting seat 23 drives the signal receiving plate 21 to move upwards in the process of moving upwards, and the signal receiving plate 21 abuts against the test chip 203 after moving upwards.
Specifically, the driving assembly 24 includes a stopper 241 and a fixing shaft 242, the stopper 241 is mounted on the upper surface of the mounting seat 23, as shown in fig. 6 and 7, the stopper 241 is located behind the signal receiving board 21, that is, the stopper 241 is located at a position where the signal receiving board 21 is far away from the card insertion opening 11, and the stopper 241 is used for abutting against the test card 200. The mounting seat 23 is provided with sliding grooves 231 on two sides thereof, in this embodiment, the sliding grooves 231 are preferably arc-shaped grooves, the sliding grooves 231 are adapted to be in sliding contact with the fixing shaft 242, and two ends of the fixing shaft 242 are mounted on the housing 1 after passing through the sliding grooves 231. The side of the slide groove 231 facing the insertion opening 11 is lower than the side of the slide groove 231 away from the insertion opening 11, that is, the front side of the slide groove 231 is lower than the rear side of the slide groove 231. When the test card 200 is inserted into the housing 1, the stopper 241 is pushed by the rear end of the test card 200, the stopper 241 drives the mounting seat 23 to move backwards, the mounting seat 23 moves backwards, the sliding groove 231 is in sliding contact with the fixed shaft 242, and the front side of the sliding groove 231 is lower than the rear side of the sliding groove 231, so that the stopper 241 can drive the mounting seat 23 to move upwards when driving the mounting seat 23 to move backwards, and further drive the signal receiving plate 21 to move upwards and then abut against the test chip 203.
Further, the signal detection structure 2 further comprises a return spring 25, a first end of the return spring 25 is connected to the mounting seat 23, and a second end of the return spring 25 is connected to the housing 1. The return spring 25 of the present embodiment may be an extension spring of the related art. The mounting seat 23 moves backward and simultaneously drives the first end of the return spring 25 away from the second end of the return spring 25, so that the return spring 25 is in a stretching state. When the test card 200 is pulled out from the card insertion opening 11, the return spring 25 is reset under the action of the elastic restoring force of the return spring, and the test card is simple and convenient.
As shown in fig. 8, in the present embodiment, an elastic protrusion 232 is formed on the upper surface of the mounting seat 23, and the elastic protrusion 232 is provided with a plurality of elastic blocks 2321 which are uniformly arranged at intervals. The signal receiving board 21 is mounted on the elastic protrusions 232, and the signal receiving board 21 is provided with a plurality of contact blocks 211. The contact bumps 211 are used for contacting with the contacts of the test chip 203, and the plurality of contact bumps 211 and the plurality of elastic bumps 2321 are consistent in number and are arranged in a one-to-one correspondence. When the mounting base 23 moves upward, the plurality of elastic blocks 2321 deform to press the test card 200, so that the contact blocks 211 press the contacts of the test chip 203, which is favorable for signal transmission.
The heater assembly 31 of the present embodiment includes an upper heater 311 and a lower heater 312, and both the upper heater 311 and the lower heater 312 of the present embodiment employ the prior art. The upper heater 311 is located above the card insertion space 12, the lower heater 312 is located below the card insertion space 12, and the upper heater 311 is mounted on the housing 1. As shown in fig. 8, the mounting seat 23 is opened with a mounting opening 233, the lower heater 312 is mounted in the mounting opening 233, the lower heater 312 passes through the signal receiving plate 21, and the plurality of elastic blocks 2321 are disposed at the front and rear sides of the mounting opening 233. When the mounting base 23 moves upward, the lower heater 312 is driven to move upward, and when the lower heater 312 moves upward, the lower heater is matched with the upper heater 311 to clamp the test card 200 inserted into the card insertion space 12, which is beneficial to heating the test area of the test card 200.
As shown in fig. 3 to 5, in the present embodiment, the reagent filling control structure 4 includes a support 43, a roller assembly 44 and a cam assembly 45, and the support 43 can support the test card 200 after the test card 200 is inserted into the housing 1. The top valve member 41 and the extrusion member 42 are disposed on the upper surface of the support 43, the roller assembly 44 is located below the support 43, and the cam assembly 45 is used for cooperating with the roller assembly 44 to drive the roller assembly 44 to abut against the support 43. The top valve member 41 of the present embodiment is a top valve screw provided on the upper surface of the supporter 43, and the pressing member 42 is a bar-shaped boss provided on the upper surface of the supporter 43.
Specifically, the roller assembly 44 includes a first roller 441 and a second roller 442, the support 43 is formed at a lower surface thereof with a first mounting groove 431 and a second mounting groove 432, the first roller 441 is mounted in the first mounting groove 431 and disposed corresponding to the top valve member 41, and the second roller 442 is mounted in the second mounting groove 432 and disposed corresponding to the pressing member 42. The cam assembly 45 includes a first cam 451, a second cam 452, and a power assembly 453 for driving the first cam 451 and the second cam 452 to rotate. The first cam 451 and the second cam 452 share one cam shaft 46, and the power assembly 453 includes a dc speed reduction motor 4531, a coupling 4532, and a connecting shaft 4533, and the connecting shaft 4533 is used to connect the coupling 4532 and the cam shaft 46. The first cam 451 is used for contacting and matching with the first roller 441 to drive the first roller 441 to abut against the upper groove wall of the first installation groove 431. The second cam 452 is adapted to contact and cooperate with the second roller 442 to drive the second roller 442 to abut against an upper groove wall of the second mounting groove 432.
When the dc gear motor 4531 is energized, the first cam 451 and the second cam 452 are driven to rotate by the coupling 4532. The first cam 451 drives the first roller 441 to rotate during rotation, the second cam 452 drives the second roller 442 to rotate during rotation, and the first roller 441 and the second roller 442 correspondingly abut against the upper groove wall of the first installation groove 431 and the upper groove wall of the second installation groove 432 during rotation, respectively, so as to drive the support member 43 to move upward. The supporting member 43 raises the top valve member 41 and the pressing member 42 during the upward movement process, so that the top valve member 41 abuts against the valve plate 204, the valve plate 204 is opened, the reagent flow channel 202 is communicated with the test chip 203, and the pressing member 42 presses the reagent bag 201, so that the reagent in the reagent bag 201 flows to the test chip 203 through the reagent flow channel 202, and the reagent filling process is completed.
It should be noted that the structures and the installation relationship of the first cam 451, the second cam 452, the first roller 441, and the second roller 442 according to the present embodiment may be designed according to actual use requirements. In the blood gas biochemical analyzer 100 of the embodiment, in the testing process, the first cam 451 is in contact fit with the first roller 441 to lift the top valve 41 to the preset position, and then the second cam 452 is in contact fit with the second roller 442 to lift the extrusion member 42 to the preset position, so that the valve plate 204 is opened first, then the reagent pack 201 is extruded, the reagent filling time and the reagent filling amount are controlled, and the accuracy of the testing result is further improved.
In this embodiment, the reagent filling control structure 4 further includes a limiting member 47, the limiting member 47 is located above the supporting member 43, the test card 200 can be inserted between the supporting member 43 and the limiting member 47, and the limiting member 47 can prevent the test card 200 and other components in the blood gas biochemical analyzer 100 from interfering with each other.
In this embodiment, the blood gas biochemical analyzer 100 further includes a dust-proof cover 5, the dust-proof cover 5 is hinged on the housing 1, and the dust-proof cover 5 is disposed corresponding to the inserting opening 11. As shown in fig. 4 and 5, the dust cap 5 of the present embodiment is hinged inside the housing 1 and is disposed corresponding to the card slot 11. When the test card 200 is inserted into the housing 1 from the card slot 11 backward, the rear end of the test card 200 pushes the dust cap 5, the dust cap 5 rotates to avoid interference on the insertion of the test card 200, and when the test card 200 is pulled out from the card slot 11, the dust cap 5 rotates backward to block the card slot 11, so that dust is prevented from entering the housing 1 from the card slot 11, and the normal use of the blood gas biochemical analyzer 100 is ensured.
It should be noted that the blood gas biochemical analyzer 100 of the present embodiment further includes a series of auxiliary components, and the auxiliary components may include a safety lock hole 13, an ambient temperature monitoring sensor (not shown), a wifi bluetooth module (not shown), a scanner 6, a display 7, and a power supply battery 8, etc. in the prior art. The power supply battery 8 supplies power to the blood gas biochemical analyzer 100, and when the blood gas biochemical analyzer 100 is used, an operator can directly operate the display screen 7 to control the testing process. The safety lock hole 13 is arranged on the shell 1, can be matched with a safety lock for use, locks the blood gas biochemical analyzer 100, and is convenient for the safe placement of the analyzer.
When the blood gas biochemical analyzer 100 of the embodiment is used, firstly, the instrument scans the two-dimensional code of the test card 200 through the scanner 6 to determine the information of the test card 200, then, the ambient temperature is read through the ambient temperature monitoring sensor, whether the ambient temperature meets the requirement is judged, under the condition that the ambient temperature meets the requirement, the test card 200 is inserted into the insertion opening 11 of the blood gas biochemical analyzer 100 for testing, and the blood gas biochemical analyzer 100 accesses the test result after the test is completed. This embodiment blood gas biochemical analyzer 100 can be connected with the printer through the bluetooth to print the test result, also can be through wifi and external connection, outside transmission test result.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a biochemical analyzer of blood gas, biochemical analyzer of blood gas is used for detecting the blood sample with the cooperation of test card, the test card includes reagent package, reagent runner, test chip and valve block, test chip set up in the test section of test card, the valve block is used for the intercommunication or blocks the reagent runner with test chip, its characterized in that, biochemical analyzer of blood gas includes:
the test card comprises a shell, a test card and a test card, wherein the shell is provided with a card inserting opening for inserting the test card;
the signal detection structure is arranged in the shell and comprises a signal receiving board and a signal processing board, the signal receiving board is connected with the signal processing board, and the signal receiving board is arranged corresponding to the card inserting opening and used for being abutted against the test chip;
the temperature control structure comprises a heater assembly arranged in a shell, and the heater assembly is used for heating a test area of the test card;
the reagent filling control structure is arranged in the shell and comprises a top valve piece and an extrusion piece, the top valve piece is used for abutting against the valve plate to communicate the reagent flow channel with the test chip, and the extrusion piece is used for extruding the reagent bag so that the reagent in the reagent bag flows to the test chip through the reagent flow channel;
the signal detection structure also comprises a mounting seat, a card inserting space communicated with the card inserting opening is formed above the mounting seat, and the signal receiving board and the signal processing board are both arranged on the upper surface of the mounting seat; the signal detection structure further comprises a driving assembly, wherein the driving assembly is used for driving the mounting base to move upwards so that the signal receiving board is abutted to the test chip inserted into the card inserting space.
2. The blood gas biochemical analyzer according to claim 1, wherein the driving assembly includes a stopper and a fixed shaft, the stopper is mounted on the upper surface of the mounting seat and located at a position of the signal receiving board away from the insertion opening, the stopper is configured to abut against the test card, the fixed shaft is mounted on the housing, sliding grooves are formed on two sides of the mounting seat, the sliding grooves are configured to be in sliding contact with the fixed shaft, and a side of the sliding groove facing the insertion opening is lower than a side of the sliding groove facing away from the insertion opening, so that the stopper drives the mounting seat to move upward when the mounting seat moves in a direction away from the insertion opening.
3. The biochemical blood gas analyzer according to claim 2, wherein the signal detecting structure further comprises a return spring, one end of the return spring is connected to the mounting seat, and the other end of the return spring is connected to the housing.
4. The blood gas biochemical analyzer according to claim 2, wherein an elastic protrusion is formed on an upper surface of the mounting base, the elastic protrusion is provided with a plurality of elastic blocks arranged at intervals, the signal receiving board is mounted on the elastic protrusion, the signal receiving board is provided with a plurality of contact blocks for contacting with the contacts of the test chip, and the plurality of contact blocks are arranged in a one-to-one correspondence with the plurality of elastic blocks in a consistent number.
5. The blood gas biochemical analyzer according to claim 1, wherein the heater assembly includes an upper heater and a lower heater, the upper heater and the lower heater are respectively located above and below the card insertion space, the upper heater is mounted on the housing, the lower heater is mounted on the mounting seat, and the lower heater is capable of clamping the test card inserted into the card insertion space in cooperation with the upper heater when the mounting seat moves upward to heat a test area of the test card.
6. The biochemical blood gas analyzer according to any of claims 1-5, wherein the reagent filling control structure comprises a support, a roller assembly and a cam assembly, the top valve and the pressing member are disposed on the upper surface of the support, the roller assembly is located below the support, and the cam assembly is used for cooperating with the roller assembly to drive the roller assembly to abut against the support.
7. The blood gas biochemical analyzer according to claim 6, wherein the roller assembly includes a first roller and a second roller, the support member having a lower surface formed with a first mounting groove and a second mounting groove, the first roller being mounted in the first mounting groove and disposed in correspondence with the top valve member, the second roller being mounted in the second mounting groove and disposed in correspondence with the pressing member; the cam assembly comprises a first cam, a second cam and a power assembly used for driving the first cam and the second cam to rotate, the first cam is used for being in contact fit with the first idler wheel so as to drive the first idler wheel to abut against the upper groove wall of the first mounting groove, and the second cam is used for being in contact fit with the second idler wheel so as to drive the second idler wheel to abut against the upper groove wall of the second mounting groove.
8. The biochemical blood gas analyzer according to claim 6, wherein the reagent filling control structure further comprises a stopper located above the support, and the test card is insertable between the support and the stopper.
9. The biochemical blood gas analyzer according to any of claims 1 to 5, further comprising a dust cover hinged to the housing, the dust cover being disposed corresponding to the insertion opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811273742.6A CN109444394B (en) | 2018-10-29 | 2018-10-29 | Blood gas biochemical analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811273742.6A CN109444394B (en) | 2018-10-29 | 2018-10-29 | Blood gas biochemical analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109444394A CN109444394A (en) | 2019-03-08 |
| CN109444394B true CN109444394B (en) | 2022-02-11 |
Family
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Family Applications (1)
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| CN114152658B (en) * | 2021-11-30 | 2024-02-09 | 成都斯马特科技有限公司 | Blood gas detection method |
| CN114397467A (en) * | 2022-01-11 | 2022-04-26 | 广州万孚生物技术股份有限公司 | Blood gas analyzer |
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