CN114397327A - Measuring chamber of blood gas analyzer and using method thereof - Google Patents
Measuring chamber of blood gas analyzer and using method thereof Download PDFInfo
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- CN114397327A CN114397327A CN202210056625.4A CN202210056625A CN114397327A CN 114397327 A CN114397327 A CN 114397327A CN 202210056625 A CN202210056625 A CN 202210056625A CN 114397327 A CN114397327 A CN 114397327A
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- 239000008280 blood Substances 0.000 title claims abstract description 36
- 210000004369 blood Anatomy 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 9
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 71
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 238000004321 preservation Methods 0.000 claims abstract description 26
- 238000010241 blood sampling Methods 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000005070 sampling Methods 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 15
- 230000002572 peristaltic effect Effects 0.000 claims description 15
- 239000000523 sample Substances 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 239000013610 patient sample Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 24
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005534 hematocrit Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N2035/00346—Heating or cooling arrangements
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- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automation & Control Theory (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention belongs to the technical field of medical blood gas biochemical detection equipment, and relates to a blood gas analyzer measuring chamber which consists of an elastic pressure pad, a door heat-insulating sponge, a front door, a door hinge, a measuring tube, a left baffle plate assembly, a shaft tube, a pressing seat, a knob, a right baffle plate, an electrode contact seat assembly, an electrode mounting block, a heating sensor, a heating pad temperature controller, a heating pad, an outer support plate, a blood sampling tube, a shielding wire ground wire plate, an electrode seat, a reagent tube, a heat-insulating box, a mounting bottom plate and a pipeline system; the door heat-preservation sponge is used for preserving heat of the whole front part of the measuring chamber, the heat-preservation box is used for wrapping parts in the measuring chamber from three surfaces, namely the periphery and the back, so as to preserve heat, the heating sensor is used for controlling the heating temperature of the measuring chamber, and the heating pad temperature controller is used for controlling the temperature range and the safety of the temperature of the measuring chamber; by implementing the invention, the problems of nonuniform heating of the measuring chamber, poor performance stability and the like can be fundamentally solved.
Description
Technical Field
The invention relates to the technical field of medical blood gas detection equipment, in particular to a blood gas analyzer measuring chamber and a using method thereof.
Background
The blood gas analyzer mainly detects oxygen partial Pressure (PO) in human arterial blood2) Partial pressure of carbon dioxide (PCO)2) Hematocrit (Hct), pH (pH), chloride ion (Cl)-) Sodium ion (Na)+) Potassium ion (K)+) Calcium ion (Ca)2+) Etc., commonly used in intensive care units and emergency examination rooms; the center of the blood gas analyzer pipeline system is a measuring chamber, and the measuring chamber is a measuring chamber requiring constant temperature of 37 ℃ from blood sampling to measurement, so that the measuring chamber is a key core component of the whole blood gas analyzer, and the quality of the measuring chamber is related to the accuracy and the stability of the detection indexes. For example: the application number is 201320351410.1 Chinese utility model patent, which discloses an analyzer measuring chamber, the measuring chamber has 4 heating rods, which are evenly arranged around the blood sampling and reagent tube; however, after repeated detection and use by users, the measurement chamber is heated unevenly, the performance index is unstable, and the measurement result is inaccurate and unstable, so that a reliable solution must be found to completely avoid the above problems.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the defects of the measuring chamber of the existing blood gas analyzer, the invention provides a novel measuring chamber of the blood gas analyzer, which can fundamentally solve the problems of nonuniform heating, poor performance stability and the like of the measuring chamber.
The technical scheme is as follows: in order to solve the existing problems, the measuring chamber of the blood gas analyzer provided by the invention has the following innovations and novel bright points:
the invention provides a measuring chamber of a blood gas analyzer, which is characterized in that: the device comprises an elastic pressure pad, a door heat-preservation sponge, a front door, a door hinge, a measuring tube, a left baffle plate assembly, a shaft tube, a pressing seat, a knob, a right baffle plate, an electrode contact seat assembly, an electrode mounting block, a heating sensor, a heating pad temperature controller, a heating pad, an outer support plate, a blood sampling tube, a shielding wire ground wire plate, an electrode seat, a reagent tube, a heat-preservation box, a mounting bottom plate and a pipeline system; the elastic pressure pad and the door heat-preservation sponge, the front door and the door hinge form a front door assembly of the measuring chamber, the number of the door hinges is 2, the door hinges are respectively installed on hinge holes at two corner angles at the front end of an upper vertical plate of the outer support plate, the front door is clamped between the elastic pressure pad and the door heat-preservation sponge, the elastic pressure pad is located at the innermost layer of the front door assembly and directly contacts with the inside of the measuring chamber, and the door heat-preservation sponge is located at the outermost side of the front door assembly and is used for preserving heat of the whole front part of the measuring chamber; the heat preservation box wraps all parts in the measuring chamber from three sides, namely the periphery and the back, so as to preserve heat, ensure that the whole measuring chamber is in a good heat preservation state, and control the influence of the change of the environmental temperature of the blood gas analyzer to the minimum degree to the maximum extent; the left baffle assembly, the right baffle, the electrode mounting block and the electrode seat are all mounted on the front table surface of the outer support plate, wherein the left baffle assembly and the right baffle are respectively mounted on the left side and the right side of the front table surface of the outer support plate and are respectively flush with the left end surface and the right end surface of the front table surface of the outer support plate; the electrode base is arranged at the lower part of the front table surface of the outer support plate, is flush with the lower end surface of the front table surface of the outer support plate and is clamped between the left baffle plate component and the pressing base; the electrode mounting blocks are tightly attached to the upper end face of the electrode base and the right end face of the left baffle plate assembly respectively, and the electrode contact base assemblies are mounted in a plurality of vertical same holes of the electrode mounting blocks; the heating sensor, the heating pad temperature controller, the heating pad and the outer support plate form a measuring chamber heating device, wherein the heating pad is made of special silica gel and is tightly attached to the inside of a heating groove on the back surface of the outer support plate; the ground wire plate of the shielding wire is made of good conductor alloy copper and is fixed on the upper table surface of the electrode mounting block, the outer support plate is fixedly arranged on the mounting bottom plate through screws, but the heat preservation box is separated between the outer support plate and the mounting bottom plate and is clamped and fixed in the middle.
The pipeline system consists of a sampling needle, a counting cell, a 7# electromagnetic valve, a 6# electromagnetic valve, an 8# electromagnetic valve, a 1# electromagnetic valve, a 2# electromagnetic valve, a 3# electromagnetic valve, a 4# electromagnetic valve, a 5# electromagnetic valve, a peristaltic pump, a waste liquid bag, a reagent A, air, a reagent D, a reagent C, a reagent B and a diaphragm pump, wherein the 6# electromagnetic valve, the peristaltic pump, the 8# electromagnetic valve and the 2# electromagnetic valve are all connected with the 1# electromagnetic valve; one end of the diaphragm pump is connected with the 6# electromagnetic valve and the waste liquid bag, and the other end of the diaphragm pump is connected with the 7# electromagnetic valve; one end of the counting cell is connected with a 7# electromagnetic valve, and the other end of the counting cell is connected with a sampling needle; the reagent A, air, the 1# electromagnetic valve, the 2# electromagnetic valve and the 8# electromagnetic valve are all connected; the No. 8 electromagnetic valve, the No. 1 electromagnetic valve, the No. 3 electromagnetic valve and the D reagent are all connected with the No. 2 electromagnetic valve; the 2# electromagnetic valve, the 4# electromagnetic valve, the C reagent and the 3# electromagnetic valve are all connected; the reagent B, the 3# electromagnetic valve, the reagent pipe and the 4# electromagnetic valve are all connected; the reagent tube, the blood sampling tube and the measuring tube are all connected with a No. 5 electromagnetic valve; the diaphragm pump is responsible for recycling all waste liquid flowing out of the sampling needle and waste liquid for cleaning the sampling needle into the waste liquid bag through the No. 7 electromagnetic valve; the measuring tube, the electrode, the shaft tube, the blood sampling tube and the reagent tube jointly form a measuring chamber internal pipeline system, wherein the central line of the measuring tube, the central lines of holes on two side surfaces of the electrode, the central line of the shaft tube and the central line of a knob hole are on the same straight line; the measuring tube, the blood sampling tube and the reagent tube are all made of medical stainless steel, wherein the blood sampling tube is arranged in a hole groove of the table top close to the lower bottom of the front table top of the outer support plate and forms a sampling pipeline with a sampling needle outside the measuring chamber; the reagent tube is a U-shaped tube, is arranged in a U-shaped hole groove on the rear plane of the electrode seat, and forms a reagent pipeline with a 2# electromagnetic valve, a 3# electromagnetic valve, a 4# electromagnetic valve, a 5# electromagnetic valve, a 8# electromagnetic valve, a reagent A, a reagent B, a reagent C, a reagent D and air outside the measuring chamber.
The invention also provides a use method of the measuring chamber of the blood gas analyzer, which comprises the following steps:
s1: the ambient temperature of the blood gas analyzer is kept at room temperature level, and the measuring chamber is heated to 37 ℃ and kept stable during calibration and sample measurement;
s2: preparing to receive a patient sample, starting a peristaltic pump of an analyzer to rotate anticlockwise, and removing air in a sampling needle tube;
s3: then, controlling the peristaltic pump to rotate clockwise, conveying the blood sample to a measuring chamber through a sampling needle, sampling and measuring, and then respectively recycling all waste liquid collected in the counting cell into a waste liquid bag through a diaphragm pump and a 7# electromagnetic valve;
s4: taking the sample away, wiping off the sampling needle, and simultaneously executing sample measurement to finish a sample analysis report;
s5: the peristaltic pump is started again to rotate anticlockwise, the reagent A, the reagent B, the reagent C, the reagent D and air are respectively conveyed into the measuring chamber through the No. 1 electromagnetic valve to be cleaned and calibrated at two points, and the sampling needle is washed and discharged from the sampling needle;
s6, the steps are carried out in a circulating way, and the software can completely work according to the appointed program after being programmed; the whole detection process can be operated on a touch screen of the blood gas analyzer.
By implementing the invention, the problems of nonuniform heating of the measuring chamber, poor performance stability and the like can be fundamentally solved.
Drawings
Fig. 1 is a schematic view of a blood gas analyzer measurement chamber door assembly according to an embodiment of the present invention.
Fig. 2 is a schematic view of the assembly of a measurement chamber of a blood gas analyzer according to an embodiment of the present invention.
Fig. 3 is a schematic view of a heating device of a measurement chamber of a blood gas analyzer according to an embodiment of the present invention.
Fig. 4 is an assembly schematic diagram of an internal structure of a measurement chamber of a blood gas analyzer according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a piping system of a measurement chamber of a blood gas analyzer according to an embodiment of the present invention.
In the figure, 1, an elastic pressure pad, 2, a door heat preservation sponge, 3, a front door, 4, a door hinge, 5, a measuring tube, 6, a left baffle plate assembly, 7, an axle tube, 8, a pressing seat, 9, a knob, 10, a right baffle plate, 11, an electrode contact seat assembly, 12, an electrode mounting block, 13, a heating sensor, 14, a heating pad temperature controller, 15, a heating pad, 16, an outer support plate, 17, a blood sampling tube, 18, a shielded wire ground plate, 19, an electrode, 20, an electrode seat, 21, a reagent tube, 22, a heat preservation box, 23, a mounting bottom plate, 30, a sampling needle, 31, a counting cell, 32.7# electromagnetic valve, 33.6# electromagnetic valve, 34.8# electromagnetic valve, 35.1# electromagnetic valve, 36.2# electromagnetic valve, 37.3# electromagnetic valve, 38.4# electromagnetic valve, 39.5# electromagnetic valve, 40, a pump, 41, a waste liquid bag, 42, A reagent, 43, air, 44, D reagent, 45.C reagent, 46, B reagent, 8 reagent and B reagent, 47. A diaphragm pump.
Detailed Description
Example 1
The following detailed description of embodiments of the invention refers to the accompanying drawings.
The invention provides a measuring chamber of a blood gas analyzer, which is characterized in that: the device comprises an elastic pressure pad 1, a door heat-preservation sponge 2, a front door 3, a door hinge 4, a measuring tube 5, a left baffle plate assembly 6, an axle tube 7, a pressure seat 8, a knob 9, a right baffle plate 10, an electrode contact seat assembly 11, an electrode mounting block 12, a heating sensor 13, a heating pad temperature controller 14, a heating pad 15, an outer support plate 16, a blood sampling tube 17, a shielding wire ground wire plate 18, an electrode 19, an electrode seat 20, a reagent tube 21, a heat-preservation box 22, a mounting bottom plate 23 and a pipeline system; the elastic pressure pad 1, the door heat-preservation sponge 2, the front door 3 and the door hinges 4 form a front door assembly of the measuring chamber, the number of the door hinges 4 is 2, the door hinges are respectively installed on hinge holes at two front end angles of an upper vertical plate of an outer support plate 16, the front door 3 is clamped between the elastic pressure pad 1 and the door heat-preservation sponge 2, the elastic pressure pad 1 is located at the innermost layer of the front door assembly and directly contacts with the inside of the measuring chamber, and the door heat-preservation sponge 2 is located at the outermost side of the front door assembly and is used for preserving heat of the whole front part of the measuring chamber; the heat preservation box 22 wraps all parts in the measuring chamber from three sides, namely the periphery and the back, and carries out heat preservation so as to ensure that the whole measuring chamber is in a good heat preservation state and control the influence of the change of the environmental temperature of the blood gas analyzer to the minimum degree to the maximum extent; the left baffle assembly 6, the right baffle 10, the electrode mounting block 12 and the electrode base 20 are all mounted on the front table top of the outer support plate 16, wherein the left baffle assembly 6 and the right baffle 10 are respectively mounted on the left side and the right side of the front table top of the outer support plate 16 and are respectively flush with the left end face and the right end face of the front table top of the outer support plate 16; the electrode seat 20 is arranged at the lower part of the front table surface of the outer support plate 16, is flush with the lower end surface of the front table surface of the outer support plate 16 and is clamped between the left baffle plate assembly 6 and the pressing seat 8; the electrode mounting block 12 is respectively and closely attached to the upper end face of the electrode base 20 and the right end face of the left baffle plate assembly, and the electrode contact base assembly 11 is arranged in a plurality of vertical same holes of the electrode mounting block 12; the heating sensor 13, the heating pad temperature controller 14, the heating pad 15 and the outer support plate 16 form a measuring chamber heating device, wherein the heating pad 15 is made of special silica gel and is tightly attached to the inside of a heating groove on the back of the outer support plate 16, the heating sensor 13 and the heating pad temperature controller 14 are respectively fixed at the lower part of the heating groove on the back of the outer support plate 16 by screws, the heating sensor 13 controls the heating temperature of the heating pad 15 and the measuring chamber, and the heating pad temperature controller 14 controls the temperature range and the safety of the heating pad 15 and the measuring chamber, so that the uniformity and the stability of the temperature of each part of a pipeline in the measuring chamber are ensured; the shielded wire ground plate 18 is made of good conductor alloy copper and fixed on the upper surface of the electrode mounting block 12, the outer support plate 16 is fixedly mounted on the mounting base plate 23 by screws, but the heat preservation box 22 is sandwiched and fixed between the outer support plate 16 and the mounting base plate 23.
The pipeline system consists of a sampling needle 30, a counting cell 31, a 7# electromagnetic valve 32, a 6# electromagnetic valve 33, an 8# electromagnetic valve 34, a 1# electromagnetic valve 35, a 2# electromagnetic valve 36, a 3# electromagnetic valve 37, a 4# electromagnetic valve 38, a 5# electromagnetic valve 39, a peristaltic pump 40, a waste liquid bag 41, an A reagent 42, air 43, a D reagent 44, a C reagent 45, a B reagent 46 and a diaphragm pump 47, wherein the 6# electromagnetic valve 33, the peristaltic pump 40, the 8# electromagnetic valve 34, the 2# electromagnetic valve 36 and the 1# electromagnetic valve 35 are all connected; one end of the diaphragm pump 47 is connected with the 6# electromagnetic valve 33 and the waste liquid bag 41, and the other end is connected with the 7# electromagnetic valve 32; one end of the counting cell 31 is connected with a 7# electromagnetic valve 32, and the other end is connected with the sampling needle 30; the reagent A42, the air 43, the 1# electromagnetic valve 35, the 2# electromagnetic valve 36 and the 8# electromagnetic valve 34 are all connected; the 8# electromagnetic valve 34, the 1# electromagnetic valve 35, the 3# electromagnetic valve 37, the D reagent 44 and the 2# electromagnetic valve 36 are all connected; the 2# electromagnetic valve 36, the 4# electromagnetic valve 38, the C reagent 45 and the 3# electromagnetic valve 37 are all connected; the B reagent 46, the 3# electromagnetic valve 37, the reagent pipe 21 and the 4# electromagnetic valve 38 are all connected; the reagent tube 21, the blood sampling tube 17, the measuring tube 5 and the No. 5 electromagnetic valve 39 are all connected; the diaphragm pump 47 is responsible for recovering all waste liquid flowing out of the sampling needle 30 and waste liquid for cleaning the sampling needle 30 into the waste liquid bag 41 through the 7# electromagnetic valve 32, wherein the waste liquid collected in the counting tank 31 is completely recovered; the measuring tube 5, the electrode 19, the axle tube 7, the blood sampling tube 17 and the reagent tube 21 jointly form a measuring chamber internal pipeline system, wherein the central line of the measuring tube 5, the central lines of holes on two sides of the electrode 19, the central line of the axle tube 7 and the central line of holes of the knob 9 are on the same straight line, the measuring tube 5 is installed on the left baffle plate assembly 6, the axle tube 7 and the knob 9 are respectively installed in holes on the left end surface and the right end surface of the pressing seat 8, the electrode 19 consists of a plurality of electrodes with different functions, one electrode is tightly attached to one electrode and clamped between the measuring tube 5 and the axle tube 7 side by side, a measuring pipeline is formed under the tightening condition of the knob 9, and meanwhile, the electrode 19 is tightly attached to the electrode seat 20; the measuring tube 5, the blood sampling tube 17 and the reagent tube 21 are all made of medical stainless steel, wherein the blood sampling tube 17 is arranged in a hole groove of the front table surface of the outer support plate 16 close to the lower bottom table surface, and forms a sampling pipeline with the external sampling needle 30 of the measuring chamber; the reagent tube 21 is a U-shaped tube, is arranged in a U-shaped hole groove on the rear plane of the electrode holder 20, and forms a reagent pipeline together with a 2# electromagnetic valve 36, a 3# electromagnetic valve 37, a 4# electromagnetic valve 38, a 5# electromagnetic valve 39, an 8# electromagnetic valve 34, an A reagent 42, a B reagent 46, a C reagent 45, a D reagent 44 and air 43 outside the measuring chamber.
Example 2
The invention also provides a use method of the measuring chamber of the blood gas analyzer, which comprises the following steps:
s1: the ambient temperature of the blood gas analyzer is kept at room temperature level, and the measuring chamber is heated to 37 ℃ and kept stable during calibration and sample measurement;
s2: preparing to receive a patient sample, starting the peristaltic pump 40 of the analyzer to rotate anticlockwise, and removing air in the tube of the sampling needle 30;
s3: then, the peristaltic pump 40 is controlled to rotate clockwise, the blood sample is conveyed into the measuring chamber through the sampling needle 30 for sampling and measuring, and then all the waste liquid collected in the counting cell 31 is recycled into the waste liquid bag 41 through the diaphragm pump 47 and the 7# electromagnetic valve 32 respectively;
s4: taking the sample away, wiping the sampling needle 30 clean, and simultaneously executing sample measurement to complete a sample analysis report;
s5: the peristaltic pump 40 is started again to rotate anticlockwise, the reagent A42, the reagent B46, the reagent C45, the reagent D44 and the air 43 are respectively conveyed into the measuring chamber through the No. 1 electromagnetic valve 35, cleaning and two-point calibration are carried out, meanwhile, the sampling needle 30 is also washed and discharged from the sampling needle 30;
s6, the steps are carried out in a circulating way, and the software can completely work according to the appointed program after being programmed; the whole detection process can be operated on a touch screen of the blood gas analyzer.
The present invention is not limited to the above-described embodiments, which are intended to be illustrative only and not limiting; those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope and spirit of the invention as set forth in the claims that follow.
Claims (3)
1. A kind of blood gas analyzer measures the room, characterized by: the device is composed of an elastic pressure pad (1), a door heat-preservation sponge (2), a front door (3), a door hinge (4), a measuring pipe (5), a left baffle plate component (6), a shaft tube (7), a pressing seat (8), a knob (9), a right baffle plate (10), an electrode contact seat component (11), an electrode mounting block (12), a heating sensor (13), a heating pad temperature controller (14), a heating pad (15), an outer support plate (16), a blood sampling pipe (17), a shielding wire ground wire plate (18), an electrode (19), an electrode seat (20), a reagent pipe (21), a heat-preservation box (22), a mounting bottom plate (23) and a pipeline system; the number of the door hinges (4) is 2, the door hinges are respectively arranged on hinge holes at the front two end angles of an upper vertical plate of an outer support plate (16), a front door (3) is clamped between an elastic pressure pad (1) and a door heat-insulating sponge (2), the elastic pressure pad (1) is positioned at the innermost layer of a front door assembly and directly contacts with the inside of a measuring chamber, and the door heat-insulating sponge (2) is positioned at the outermost layer of the front door assembly and is used for insulating the whole front part of the measuring chamber; the heat preservation box (22) wraps all parts in the measuring chamber from three sides, namely the periphery and the back, and carries out heat preservation; the left baffle assembly (6), the right baffle (10), the electrode mounting block (12) and the electrode seat (20) are all mounted on the front table top of the outer support plate (16), wherein the left baffle assembly (6) and the right baffle (10) are respectively mounted on the left side and the right side of the front table top of the outer support plate (16) and are respectively flush with the left end face and the right end face of the front table top of the outer support plate (16); the electrode seat (20) is arranged at the lower part of the front surface of the outer support plate (16), is flush with the lower end surface of the front surface of the outer support plate (16), and is clamped between the left baffle plate assembly (6) and the pressing seat (8); the electrode mounting block (12) is tightly attached to the upper end face of the electrode base (20) and the right end face of the left baffle plate assembly respectively, and the electrode contact base assembly (11) is mounted in a plurality of vertical identical holes of the electrode mounting block (12); the heating pad (15) is made of special silica gel and is tightly attached to the heating groove on the back of the outer support plate (16), and the heating sensor (13) and the heating pad temperature controller (14) are respectively fixed at the lower part of the heating groove on the back of the outer support plate (16) by screws; the shielding wire ground wire plate 18 is fixed on the upper table surface of the electrode mounting block (12), the outer support plate (16) is fixedly arranged on the mounting bottom plate (23) by screws, but the heat preservation box (22) is separated between the outer support plate (16) and the mounting bottom plate (23) and is clamped and fixed in the middle.
2.A blood gas analyzer measuring chamber according to claim 1, wherein: the pipeline system consists of a sampling needle (30), a counting cell (31), a 7# electromagnetic valve (32), a 6# electromagnetic valve (33), an 8# electromagnetic valve (34), a 1# electromagnetic valve (35), a 2# electromagnetic valve (36), a 3# electromagnetic valve (37), a 4# electromagnetic valve (38), a 5# electromagnetic valve (39), a peristaltic pump (40), a waste liquid bag (41), an A reagent (42), air (43), a D reagent (44), a C reagent (45), a B reagent (46) and a diaphragm pump (47), wherein the 6# electromagnetic valve (33), the peristaltic pump (40), the 8# electromagnetic valve (34) and the 2# electromagnetic valve (36) are all connected with the 1# electromagnetic valve (35); one end of the diaphragm pump (47) is connected with the 6# electromagnetic valve (33) and the waste liquid bag (41), and the other end is connected with the 7# electromagnetic valve (32); one end of the counting cell (31) is connected with a 7# electromagnetic valve (32), and the other end is connected with the sampling needle (30); the reagent A (42), the air (43), the 1# electromagnetic valve (35), the 2# electromagnetic valve (36) and the 8# electromagnetic valve (34) are all connected; the 8# electromagnetic valve (34), the 1# electromagnetic valve (35), the 3# electromagnetic valve (37), the D reagent (44) and the 2# electromagnetic valve (36) are all connected; the 2# electromagnetic valve (36), the 4# electromagnetic valve (38), the C reagent (45) and the 3# electromagnetic valve (37) are all connected; the reagent B (46), the 3# electromagnetic valve (37), the reagent pipe (21) and the 4# electromagnetic valve (38) are all connected; the reagent tube (21), the blood sampling tube (17), the measuring tube (5) and the No. 5 electromagnetic valve (39) are all connected; the central line of the measuring tube (5), the central lines of holes on two sides of the electrode (19), the central line of the shaft tube (7) and the central line of the hole of the knob (9) are on the same straight line, the measuring tube (5) is installed on the left baffle plate component (6), the shaft tube (7) and the knob (9) are respectively installed in the holes on the left end surface and the right end surface of the pressing seat (8), the electrode (19) consists of a plurality of electrodes with different functions, one electrode is tightly attached to the other electrode and clamped between the measuring tube (5) and the shaft tube (7) side by side, a measuring pipeline is formed under the spinning tightening condition of the knob (9), and meanwhile, the electrode (19) is tightly attached to the electrode seat (20); the blood sampling tube (17) is arranged in a hole groove of the table top at the lower part of the front table top of the outer support plate (16); the reagent tube (21) is a U-shaped tube and is arranged in a U-shaped hole groove on the back plane of the electrode seat (20).
3. A method of using a measurement chamber of a blood gas analyzer according to claim 1, comprising the steps of:
s1: the ambient temperature of the blood gas analyzer is kept at room temperature level, and the measuring chamber is heated to 37 ℃ and kept stable during calibration and sample measurement;
s2: preparing to receive a patient sample, starting a peristaltic pump (40) of an analyzer to rotate anticlockwise, and removing air in a tube of the sampling needle (30);
s3: then, the peristaltic pump (40) is controlled to rotate clockwise, the blood sample is conveyed into the measuring chamber through the sampling needle (30) for sampling and measuring, and then all waste liquid collected in the counting cell (31) is recycled into the waste liquid bag (41) through the diaphragm pump (47) and the 7# electromagnetic valve (32);
s4: taking the sample away, wiping off the sampling needle (30), and simultaneously executing sample measurement to complete a sample analysis report;
s5: the peristaltic pump (40) is started again to rotate anticlockwise, the reagent A (42), the reagent B (46), the reagent C (45), the reagent D (44) and air (43) are respectively conveyed into the measuring chamber through the 1# electromagnetic valve (35) for cleaning and two-point calibration, and meanwhile, the sampling needle (30) is also washed and discharged from the sampling needle (30);
s6, the steps are carried out in a circulating way, and the software can completely work according to the appointed program after being programmed; the whole detection process can be operated on a touch screen of the blood gas analyzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210056625.4A CN114397327A (en) | 2022-01-18 | 2022-01-18 | Measuring chamber of blood gas analyzer and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210056625.4A CN114397327A (en) | 2022-01-18 | 2022-01-18 | Measuring chamber of blood gas analyzer and using method thereof |
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| CN114397327A true CN114397327A (en) | 2022-04-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203324858U (en) * | 2013-06-18 | 2013-12-04 | 南京普朗医疗设备有限公司 | Measuring chamber of blood gas analyzer |
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| CN106483181A (en) * | 2016-03-31 | 2017-03-08 | 广州万孚生物技术股份有限公司 | Blood gas analyzer |
| CN207430344U (en) * | 2017-11-15 | 2018-06-01 | 深圳市康立生物医疗有限公司 | A kind of blood gas electrolyte analyzer sales kit (SK) |
| CN208086324U (en) * | 2018-02-05 | 2018-11-13 | 新昌县希克自动化设备有限公司 | A kind of genetic test kit convenient for storage of taking |
| CN110927398A (en) * | 2020-02-18 | 2020-03-27 | 南京德名声科技有限公司 | Integrated kit, matching device and using method thereof |
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2022
- 2022-01-18 CN CN202210056625.4A patent/CN114397327A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203324858U (en) * | 2013-06-18 | 2013-12-04 | 南京普朗医疗设备有限公司 | Measuring chamber of blood gas analyzer |
| CN205786467U (en) * | 2016-03-31 | 2016-12-07 | 广州万孚生物技术股份有限公司 | Blood gas analyzer |
| CN106483181A (en) * | 2016-03-31 | 2017-03-08 | 广州万孚生物技术股份有限公司 | Blood gas analyzer |
| CN207430344U (en) * | 2017-11-15 | 2018-06-01 | 深圳市康立生物医疗有限公司 | A kind of blood gas electrolyte analyzer sales kit (SK) |
| CN208086324U (en) * | 2018-02-05 | 2018-11-13 | 新昌县希克自动化设备有限公司 | A kind of genetic test kit convenient for storage of taking |
| CN110927398A (en) * | 2020-02-18 | 2020-03-27 | 南京德名声科技有限公司 | Integrated kit, matching device and using method thereof |
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