CN112213301A - Collecting and detecting device for hemoglobin in blood - Google Patents
Collecting and detecting device for hemoglobin in blood Download PDFInfo
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- CN112213301A CN112213301A CN202010967819.0A CN202010967819A CN112213301A CN 112213301 A CN112213301 A CN 112213301A CN 202010967819 A CN202010967819 A CN 202010967819A CN 112213301 A CN112213301 A CN 112213301A
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- card
- reagent
- hemoglobin
- flow guide
- blood
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N33/72—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood pigments, e.g. haemoglobin, bilirubin or other porphyrins; involving occult blood
- G01N33/721—Haemoglobin
- G01N33/726—Devices
Abstract
The invention discloses a device for collecting and detecting hemoglobin in blood, which comprises a shell and a mounting column, wherein the mounting column is arranged on the shell; the side wall of the mounting column is provided with a plurality of mounting grooves which are uniformly distributed along the circumferential direction of the mounting column, and the extending direction of the mounting grooves penetrates through the mounting column along the axial direction of the mounting column; the mounting groove is used for mounting a hemoglobin detection card; the mounting column is arranged in the shell, one end of the mounting column is rotatably connected with the side wall of the shell, and the other end of the mounting column is rigidly connected with the driving shaft; a detection component is arranged above the mounting column in the shell. The device for collecting and detecting hemoglobin in blood provided by the invention can be used for simultaneously placing a plurality of samples in detection equipment for detection, is beneficial to improving the detection efficiency, and has the advantages of simple structure and small volume.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a device for collecting and detecting hemoglobin in blood.
Background
Hemoglobin is a protein responsible for the transport of oxygen in higher organisms. Is a protein that makes blood red. Hemoglobin is characterized by being easily combined with oxygen in a place with high oxygen content; and easily separated from oxygen at a place with low oxygen content. This property of hemoglobin provides the red blood cells with the function of transporting oxygen. In medical testing, hemoglobin content and activity are important indicators for testing the body.
The whole process that some existing hemoglobin detect includes the collection process of blood, hemoglobin extraction process, hemoglobin collection process, then puts the hemoglobin of collecting and carries out the process of assay in dedicated instrument, need adopt instruments such as syringe needle, connecting pipe or syringe to shift between the adjacent process, and the operation is comparatively loaded down with trivial details, and the storage container that involves is more, has increased the recovery burden. In addition, in the detection and analysis process, a single sample is often put into the detector for detection and comparison, and after the detection is finished, the sample is taken out and put into the next sample, so that the detection efficiency is low.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in the detection and analysis process, a single sample is often placed into the detector for detection and comparison, and after the detection is finished, the sample is taken out and then placed into the next sample, so that the detection efficiency is low.
The invention is realized by the following technical scheme:
the collecting and detecting device for hemoglobin in blood comprises a shell and a mounting column; the side wall of the mounting column is provided with a plurality of mounting grooves which are uniformly distributed along the circumferential direction of the mounting column, and the extending direction of the mounting grooves penetrates through the mounting column along the axial direction of the mounting column; the mounting groove is used for mounting a hemoglobin detection card; the mounting column is arranged in the shell, one end of the mounting column is rotatably connected with the side wall of the shell, and the other end of the mounting column is rigidly connected with the driving shaft; a detection component is arranged above the mounting column in the shell.
The whole process of some existing hemoglobin detection comprises a blood collection process, a hemoglobin extraction process, a hemoglobin collection process and a process of analyzing collected hemoglobin in a special instrument; in the detection and analysis process, a single sample is often put into the detector for detection and comparison, and after the detection is finished, the sample is taken out and put into the next sample, so that the detection efficiency is low.
Based on the technical background, the invention provides a device for collecting and detecting hemoglobin in blood, wherein during detection, a hemoglobin detection card which reacts and colors is fixed on a mounting groove of a mounting column, the length direction of the hemoglobin detection card is in the same direction with the extending direction of the mounting groove, and the color development surface of the hemoglobin detection card faces outwards; in this way, a plurality of hemoglobin color development cards are axially arranged on the side wall of the mounting column, and one or more than one hemoglobin color development cards can be arranged; then, a driving shaft is driven to rotate by applying manual external force or mechanical electric external force, the driving shaft drives the mounting columns to synchronously rotate, and after the mounting columns rotate to a set angle, the color development surface of a certain hemoglobin color development card just faces the detection device; the detection device may employ an existing color recognition sensor and a processor as a main body detection part. The color recognition sensor detects color signals displayed by the color development card and transmits the color signals to the processor; and after the color signal is decoded by the processor, the color signal is compared with the stored standard color, and the final detection information is output and displayed by the display. The collection and detection device for hemoglobin in blood provided by the invention can be used for simultaneously placing a plurality of samples in detection equipment for detection, thereby being beneficial to improving the detection efficiency; and hemoglobin detection cards are uniformly distributed along the circumferential direction of the mounting column, so that the occupied plane area is reduced, the detection space is fully utilized, and the small size and light weight of the whole detection device are guaranteed.
Preferably, the mounting column is provided with a mounting column, the mounting column is provided with a central shaft, and the central shaft of the mounting column is provided with a central shaft; the graduated disk drives the mounting column to rotate according to a set angle.
The mounting column is preferably controlled to rotate by the dividing disc, the dividing disc drives the mounting column to rotate by the central axis of the mounting column, and the rotation angle of the mounting column can be controlled each time; during the use, can be with mounting groove along erection column circumference equidistant evenly distributed for hemoglobin detects the card along erection column circumference equidistant evenly distributed, and the steerable erection column of graduated disk rotates the same angle at every turn can.
Preferably, a mounting hole is formed in the side wall of the shell opposite to the side wall provided with the index plate, a bearing is arranged in the mounting hole, and a shaft sleeve is rotatably arranged in the bearing; the mounting column is characterized by further comprising a rotating shaft, one axial end of the rotating shaft penetrates through the shaft sleeve and then is detachably connected with the other axial end of the mounting column, and the other axial end of the rotating shaft and one end, located outside the shell, of the shaft sleeve are detachably connected.
The cooperation of pivot and axle sleeve of preferred design conveniently realizes the quick detachable of erection column in the casing and connects, the detection sample of the different batches of quick replacement of being convenient for.
Preferably, the mounting column is provided with positioning holes on the end faces of the two axial ends, the axial direction of the positioning holes is coincident with the central axis direction of the mounting column, and positioning teeth are arranged on the side wall of each positioning hole; the free end of the driving shaft is provided with a positioning tooth meshed with the positioning hole, and the free end of the driving shaft is embedded into the positioning hole on one side and connected with the positioning hole; and the end part of one axial end of the rotating shaft is provided with a positioning tooth meshed with the positioning hole, and one axial end of the rotating shaft is embedded into the positioning hole on the other side to be connected.
According to the invention, the side walls of the positioning holes at the two axial ends of the preferred mounting column are provided with the positioning teeth, namely, the side walls of the positioning holes are provided with the racks, the extending direction of the racks is the same as the axial direction of the positioning holes, and all the racks are uniformly distributed along the circumferential direction of the positioning holes at equal intervals; positioning tooth structures which can be engaged and matched with the positioning teeth of the positioning holes are arranged on the side wall of the end part of the driving shaft and the side wall of the corresponding end part of the rotating shaft; during installation, the installation column is moved firstly, so that the end part of the driving shaft is embedded into the positioning hole at one end of the installation column in an interference fit manner, and the positioning teeth are meshed with each other to limit the relative rotation motion of the driving shaft and the installation column; then one end of the rotating shaft penetrates through the shaft sleeve and is embedded into a positioning hole at the other end of the mounting column in an interference fit manner, and the positioning teeth are informed to be meshed with each other to limit the relative rotation of the rotating shaft and the mounting column; then, the other end of the rotating shaft is fixedly connected with the end part of the shaft sleeve.
Further preferably, the one end that the pivot is located the casing outside is equipped with the end cover, the end cover is equipped with the location tooth towards the one end terminal surface of casing, the axle sleeve is located the terminal surface outside the casing and is equipped with the constant head tank with location tooth adaptation, the relative rotational motion of restriction pivot and axle sleeve is realized with the constant head tank adaptation to the location chi.
Further preferably, the hemoglobin detection card comprises a reagent card, a blood sample card and a color development card; the upper surface of the color development card is provided with a reaction tank, and adsorption filter paper is laid in the reaction tank; the upper surface of the color development card is fixedly attached to the lower surface of the reagent card, a chamber formed by the reaction groove of the color development card and the lower surface of the reagent card is used as a reaction chamber, and adsorption filter paper is accommodated in the reaction chamber; the reaction tank penetrates through the color development card downwards, and a transparent display film layer is covered at the bottom port of the reaction tank in a sealing manner; the upper surface of the reagent card is provided with a groove body, and the length direction of the groove body is the same as the long axis direction of the reagent card; be equipped with two baffles in the cell body, two baffles are along the length direction interval distribution of cell body, and separate the cavity of cell body and be three sub-cell body: a diversion trench I, a reagent trench and a diversion trench II; a flexible sealing film I covers the opening of the reagent tank, and a closed tank body formed by the flexible sealing film I and the reagent tank is used for containing a detection reagent; the flow guide groove II penetrates through the reagent card downwards and is communicated with the reaction groove, and a puncture rack I is arranged at the notch of the flow guide groove II; the shape and the size of the blood sample card are matched with the groove body in an embedded manner; the lower surface of one end of the blood sample card in the long axis direction is provided with a puncture block, the puncture block is provided with a puncture rack II, the puncture block is embedded into the diversion trench I, and the puncture rack II is used for puncturing the corresponding partition board and the bottom of the diversion trench I, so that the communication between the reagent trench and the diversion trench I and the communication between the diversion trench I and the reaction trench are realized; the lower surface of the other end of the blood sample card in the long axis direction is provided with a flow guide block; a flexible sealing film II covers the lower surface of the blood sample card and is positioned between the puncture block and the flow guide block, the periphery of the flexible sealing film II is attached to the lower surface of the blood sample card and the side wall of the flow guide block to form a blood containing chamber, the blood containing chamber is dissolved in the blood containing chamber and contains a blood sample to be detected, and the chamber is communicated with a hollow chamber of the flow guide block; the flow guide block is embedded into the flow guide groove II, and the puncture rack I is used for puncturing the flow guide block, so that the hollow cavity of the flow guide block is communicated with the flow guide groove II.
The whole process that some existing hemoglobin detect includes the collection process of blood, hemoglobin extraction process, hemoglobin collection process, then puts the hemoglobin of collecting and carries out the process of assay in dedicated instrument, need adopt instruments such as syringe needle, connecting pipe or syringe to shift between the adjacent process, and the operation is comparatively loaded down with trivial details, and the storage container that involves is more, has increased the recovery burden.
Based on the above background, the present invention provides a hemoglobin detection card, which is an integrated detection card, and mainly comprises three parts: the kit comprises a reagent card, a blood sample card and a color development card, wherein the reagent card is used for storing a detection reagent, the blood sample card is used for storing a blood sample to be detected (namely a hemoglobin sample to be detected), and the color development card is used for realizing the reaction and color development of the detection reagent and the blood sample to be detected.
The principle of adopting the hemoglobin detection card to detect is as follows: firstly, directly collecting an extracted hemoglobin sample to be detected into a blood sample card for storage, and enclosing the hemoglobin sample in a flexible sealing film II, the lower surface of the blood sample card and the side wall of a flow guide block to form a blood containing chamber; at the moment, the puncture blocks and the flow guide blocks at the two ends of the lower surface of the blood sample card are arranged in a protruding mode to form a concave structure, the blood containing cavity is located in the groove of the concave structure, and the puncture blocks and the flow guide blocks at the two ends of the lower surface of the blood sample card can protect the blood containing cavity to a certain extent. Then, when needs are examined, with blood sample card lock on the reagent card, be about to the blood sample card inlays in the cell body of reagent card, the gomphosis in-process: the puncture block is embedded into the flow guide groove I, and the puncture rack II on the puncture block can puncture the partition board at the side of the flow guide groove I and the bottom surface of the flow guide groove I, so that the reagent groove is communicated with the flow guide groove I, and the flow guide groove I is communicated with the reaction groove, thereby facilitating the detection reagent in the reagent groove to flow into the reaction groove from the puncture hole; the flow guide block can be embedded into the flow guide groove II, the puncture rack II in the flow guide groove II pierces through the lower surface of the flow guide block, so that the hollow cavity of the flow guide block is communicated with the flow guide groove II, and a blood sample to be detected in the blood accommodating cavity sequentially flows into the reaction groove through the hollow cavity of the flow guide block, the puncture hole, the flow guide groove II and the puncture rack II; and blood holds the cavity and can imbed the reagent groove, and flexible sealing film I contacts with flexible sealing film II, and the in-process of the cell body of blood sample card embedding reagent card upper surface, and flexible sealing film I can extrude deformation each other with flexible sealing film II, further promotes the inside detection reagent of reagent groove and blood and holds the blood sample outflow entering reaction tank of intracavity. And finally, the detection reagent and the blood sample to be detected respectively flow into the reaction tank from the two axial ends of the reaction tank, the two liquid streams are converged and react for color development in the reaction tank, and the two liquid streams are subjected to visual observation or detection through an optical detection instrument through a transparent display film layer on a color development card.
Preferably, the surface of the puncture rack I is provided with a plurality of flow guide grooves, and the direction of each flow guide groove is the same as the direction of the flow of the detection reagent flowing into the reaction tank from the reagent tank.
In order to prevent the puncture rack I from being attached to a puncture part after the puncture rack I punctures the partition plate and the bottom of the diversion trench I, the detection reagent is not favorably flowed out; according to the invention, the flow guide groove is formed in the surface of the puncture rack I, the puncture rack I can be embedded into a puncture part after the puncture rack I punctures the partition plate and the bottom of the flow guide groove I, and a detection reagent flows out from the flow guide groove on the surface of the puncture rack.
Preferably, the puncture rack II is provided with a plurality of flow guide grooves, and the direction of each flow guide groove is the same as the direction of the blood sample to be detected flowing into the reaction tank from the blood containing chamber.
In order to prevent the puncture rack II from being attached to a puncture part after the puncture rack II punctures the surface of the flow guide block and being not beneficial to the outflow of a blood sample to be detected, the flow guide groove is formed in the surface of the puncture rack II, the puncture rack II can be embedded into the flow guide block after the puncture rack II punctures the surface of the flow guide block, and the blood sample to be detected flows out from the flow guide groove in the surface of the puncture rack.
Preferably, the partition plate between the flow guide groove I and the reagent groove is of a plate structure with equal thickness and is obliquely arranged, the upper end of the partition plate is inclined towards the reagent groove, the lower end of the partition plate is inclined towards the flow guide groove I, and the included angle between the surface of the partition plate facing the reagent groove and the bottom surface of the reagent groove is 20-60 degrees.
According to the invention, the partition plate on the side of the flow guide groove I is designed in an inclined manner, so that an operator can conveniently puncture the partition plate by applying downward pressing action on the blood sample card to conveniently puncture the rack I, and the blood sample card puncture device has a simple structure and is convenient to operate.
Preferably, the blood sample card is made of elastic plastic material; the hardness of the reagent card and the color development card is greater than that of the blood sample card.
The hardness of the blood sample card is preferably designed to be less than the hardness of the reagent card and the color development card, the hardness of the blood sample card is preferably far less than the hardness of the reagent card and the color development card, and the blood sample card has certain elasticity; after the blood sample card is embedded into the groove body of the reagent card, the pressing action is applied to the upper surface of the blood sample card by a worker conveniently, the sample in the blood accommodating chamber and the reagent groove is squeezed, and the actual detection and the outflow of the blood sample to be detected are promoted.
Further preferably, the blood containing chamber is filled with a plurality of elastic particle spheres.
According to the invention, a plurality of elastic particle spheres are preferably filled in the blood containing cavity, so that a worker can press the upper surface of the blood sample card, and when the blood containing cavity and the reaction tank are extruded, the elastic particle spheres can be extruded and moved to effectively empty the detection reagent or the blood sample to be detected.
Preferably, the upper surface of the blood sample card is provided with a blood sample injection port to be measured.
The upper surface of the blood sample card is provided with a blood sample injection port to be detected, so that the extracted hemoglobin sample can be conveniently injected into the blood sample card for storage; the injection port may be provided with a sealing member such as a sealing plug.
Further preferably, the upper surface of reagent card covers has easily tears the sealing membrane, the circumference of easily tearing the sealing membrane is fixed with the circumference of the upper surface of reagent card in succession laminating.
The upper surface of the actual card is covered with an easily torn sealing film, so that the dust-proof and anti-pollution protection effects are achieved on the groove body, and particularly, pollutants are prevented from entering the reaction tank on the diversion trench II; when in use, the easily torn sealing film is only needed to be torn off.
The invention has the following advantages and beneficial effects:
1. the invention provides a collecting and detecting device for hemoglobin in blood, wherein during detection, a hemoglobin detecting card which reacts and colors is fixed on a mounting groove of a mounting column, the length direction of the hemoglobin detecting card is the same as the extending direction of the mounting groove, and the color developing surface of the hemoglobin detecting card faces outwards; in this way, a plurality of hemoglobin color development cards are axially arranged on the side wall of the mounting column, and one or more than one hemoglobin color development cards can be arranged; then, a driving shaft is driven to rotate by applying manual external force or mechanical electric external force, the driving shaft drives the mounting columns to synchronously rotate, and after the mounting columns rotate to a set angle, the color development surface of a certain hemoglobin color development card just faces the detection device; the detection device may employ an existing color recognition sensor and a processor as a main body detection part. The color recognition sensor detects color signals displayed by the color development card and transmits the color signals to the processor; and after the color signal is decoded by the processor, the color signal is compared with the stored standard color, and the final detection information is output and displayed by the display. The collection and detection device for hemoglobin in blood provided by the invention can be used for simultaneously placing a plurality of samples in detection equipment for detection, thereby being beneficial to improving the detection efficiency; and hemoglobin detection cards are uniformly distributed along the circumferential direction of the mounting column, so that the occupied plane area is reduced, the detection space is fully utilized, and the small size and light weight of the whole detection device are guaranteed.
2. The invention provides a hemoglobin detection card, which is an integrated detection card and mainly comprises three parts: the kit comprises a reagent card, a blood sample card and a color development card, wherein the reagent card is used for storing a detection reagent, the blood sample card is used for storing a blood sample to be detected (namely a hemoglobin sample to be detected), and the color development card is used for realizing the reaction and color development of the detection reagent and the blood sample to be detected. The invention has simple structure, saves the sample transfer operation from the hemoglobin collection process to the detection analysis process, and is convenient for the recovery of the packaging container.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of a collection and detection device for hemoglobin in blood according to the present invention;
FIG. 2 is a schematic perspective view of the mounting post of the present invention;
FIG. 3 is a schematic top view of the mounting post of the present invention;
FIG. 4 is a diagram of the hemoglobin test card of the present invention in an undetected state;
FIG. 5 is a partial schematic view of the circled portion of FIG. 1;
FIG. 6 is a view of the hemoglobin test card of the present invention in a test state with the blood sample card facing upward;
FIG. 7 is an adaptive view of the hemoglobin detection card of the present invention in a detection state, with the color card facing upward;
FIG. 8 is a schematic view of an adaptive axial cross-sectional structure of the hemoglobin test card of the present invention in a test state;
FIG. 9 is a schematic view of the structure of the blood sample card of the present invention.
Reference numbers and corresponding part names in the drawings:
1-reagent card, 11-partition board, 12-diversion trenches I, 13-reagent trench, 14-diversion trenches II, 15-puncture rack, 16-flexible sealing film I; 2-blood sample card, 21-puncture block, 22-puncture rack II, 23-diversion block, 24-flexible sealing film II, 25-injection port; 3-color development card, 31-reaction tank, 32-adsorption filter paper and 33-transparent display film layer; 4-shell, 41-graduated disk, 42-bearing, 43-shaft sleeve, 44-rotating shaft, 45-end cover; 52-positioning hole, 5-mounting column, 51-mounting groove and 52-positioning hole; 6-detection means.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The embodiment provides a collecting and detecting device for hemoglobin in blood, which comprises a shell 4, a mounting column 5 and a detection device, wherein the shell comprises a shell body and a plurality of detection holes; the side wall of the mounting column 5 is provided with a plurality of mounting grooves 51, the mounting grooves 51 are uniformly distributed along the circumferential direction of the mounting column 5, and the extending direction of the mounting grooves 51 penetrates through the mounting column 5 along the axial direction of the mounting column 5; the mounting groove 51 is used for mounting a hemoglobin detection card; the mounting column 5 is arranged in the shell 4, one end of the mounting column 5 is rotatably connected with the side wall of the shell 4, and the other end of the mounting column 5 is rigidly connected with the driving shaft; a detection component 6 is arranged in the shell 4 above the mounting column 5.
Example 2
The improved structure is further improved on the basis of the embodiment 1, and further comprises an index plate 41, wherein an output shaft of the index plate 41 is used as a driving shaft, penetrates through one side wall of the shell 4 and then is rigidly connected with one axial end of the mounting column 5, and the output shaft of the index plate 41 is overlapped with the central axis of the mounting column 5; the dividing plate 41 drives the mounting column 5 to rotate according to a set angle.
A mounting hole is formed in the side wall of the shell 4 opposite to the side wall provided with the index plate 41, a bearing 42 is arranged in the mounting hole, and a shaft sleeve 43 is rotatably arranged in the bearing 42; the mounting column is characterized by further comprising a rotating shaft 44, one axial end of the rotating shaft 44 penetrates through the shaft sleeve 43 and then is detachably connected with the other axial end of the mounting column 5, and the other axial end of the rotating shaft 44 is detachably connected with one end, located outside the shell 4, of the shaft sleeve 43.
Positioning holes 52 are formed in the end faces of the two axial ends of the mounting column 5, the axial direction of each positioning hole 52 is overlapped with the central axial direction of the mounting column 5, and positioning teeth are arranged on the side walls of the positioning holes 52; the free end of the driving shaft is provided with a positioning tooth meshed with the positioning hole 52, and the free end of the driving shaft is embedded into the positioning hole 52 on one side for connection; the axial end of the rotating shaft 44 is provided with a positioning tooth engaged with the positioning hole 52, and the axial end of the rotating shaft 44 is embedded into the positioning hole 52 on the other side for connection.
The one end that pivot 44 is located the casing 4 outside is equipped with end cover 45, end cover 45 is equipped with the location tooth towards the one end terminal surface of casing 4, the terminal surface that axle sleeve 43 is located the casing 4 outside is equipped with the constant head tank with the adaptation of location tooth, the relative rotational motion of restriction pivot 44 and axle sleeve 43 is realized with the constant head tank adaptation to the location chi.
Example 3
Based on the basis of embodiment 1 or 2, it is preferable to set a hemoglobin test card structure, the hemoglobin test card includes a reagent card 1, a blood sample card 2, and a color card 3, the reagent card 1 and the color card 3 are rectangular card structures having the same length and width and different thicknesses, the blood sample card 2 is a rectangular card structure, and the length and width of the blood sample card 2 are the same as the size of the groove on the reagent card 2.
The upper surface of the color development card 3 is provided with a reaction tank 31 with a cuboid structure, adsorption filter paper 32 with a cuboid structure is paved in the reaction tank 31, and the adsorption filter paper 32 is just paved at the bottom of the reaction tank 31; the upper surface of the color development card 3 is fixedly attached to the lower surface of the reagent card 1 and can be integrally fixed through adhesive bonding. A reaction chamber formed by the reaction tank 31 of the color development card 3 and the lower surface of the reagent card 1 is used as a reaction chamber, and the adsorption filter paper 32 is accommodated in the reaction chamber; the reaction tank 31 is downward passed through the color development card 3, and the bottom port of the reaction tank 31 is hermetically covered with a transparent display film layer 33.
The upper surface of the reagent card 1 is provided with a groove body with a cuboid structure, and the length direction of the groove body is the same as the long axis direction of the reagent card 1; be equipped with two baffles 11 in the cell body, two baffles 11 are along the length direction interval distribution of cell body, and separate the cavity of cell body and be three sub-cell body: diversion trench I12, reagent trench 13 and diversion trench II 14; a flexible sealing film I covers the opening of the reagent tank 13, and a closed tank body formed by the flexible sealing film I and the reagent tank 13 is used for containing a detection reagent; the flow guide groove II14 penetrates through the reagent card 1 downwards and then is communicated with the reaction groove 31, and a puncture rack I15 is arranged at the notch of the flow guide groove II 14.
The shape and the size of the blood sample card 2 are matched with the groove body in an embedded mode, preferably, a sealing rubber ring or a rubber pad is continuously arranged on the circumferential side wall of the blood sample card 2, the blood sample card 2 is embedded into the groove body of the reagent card 1 in an interference fit mode, the rubber ring or the rubber pad is extruded between the outer wall of the blood sample card 2 and the inner wall of the groove body, and the rubber ring or the rubber pad is extruded and deformed to play a sealing role. The lower surface of one end of the blood sample card 2 in the long axis direction is provided with a puncture block 21, the puncture block 21 is provided with a puncture rack II22, the puncture block 21 is embedded into the diversion trench I12, and the puncture rack II22 is used for puncturing the corresponding partition board and the bottom of the diversion trench I12, so that the reagent trench 13 is communicated with the diversion trench I12, and the diversion trench I12 is communicated with the reaction trench 31; the lower surface of the other end of the blood sample card 2 in the long axis direction is provided with a flow guide block 23; a flexible sealing film II is covered on the lower surface of the blood sample card 2 and between the puncture block 21 and the flow guide block 23, the periphery of the flexible sealing film II is attached to the lower surface of the blood sample card 2 and the side wall of the flow guide block 23 to enclose a blood containing chamber, the blood containing chamber is dissolved in the blood containing chamber to contain a blood sample to be detected, and the chamber is communicated with a hollow chamber of the flow guide block 22; the flow guide block 23 is embedded into the flow guide groove II14, and the puncture rack I15 is used for puncturing the flow guide block 23, so that the hollow cavity of the flow guide block 23 is communicated with the flow guide groove II 14.
Example 4
In a further improvement of embodiment 3, the surface of the piercing rack I15 is provided with a plurality of flow guide grooves, and each flow guide groove is oriented in the same direction as the flow direction of the detection reagent flowing from the reagent tank 13 into the reaction tank 31. The puncture rack II22 is provided with a plurality of diversion grooves, and the direction of each diversion groove is the same as the direction of the blood sample to be detected flowing into the reaction tank 31 from the blood accommodating chamber.
Baffle between guiding gutter I12 and the reagent groove 13 is the plate structure of uniform thickness, and the slope sets up, and the upper end of baffle is towards reagent groove 13 slope, the lower extreme of baffle is towards guiding gutter I12 slope, and the baffle is 45 with the contained angle of the bottom surface of reagent groove 13 towards the face of reagent groove 13.
Example 5
The improvement is further improved on the basis of the embodiment 4, and the blood sample card 2 is made of elastic plastic materials; the hardness of the reagent card 1 and the color development card 3 is greater than that of the blood sample card 2. The blood containing chamber is filled with a plurality of elastic particle spheres which do not have any physical or chemical reaction with the blood sample to be detected. The upper surface of the blood sample card 2 is provided with a blood sample injection opening 25 to be detected, and the injection opening 25 is provided with a sealing plug to prevent the blood sample to be detected from being polluted or leaked. The upper surface of reagent card 1 covers has easily tears the sealing film, the circumference of easily tearing the sealing film is fixed with the circumference of the upper surface of reagent card 1 laminating in succession.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The collecting and detecting device for hemoglobin in blood comprises a shell (4) and is characterized by further comprising a mounting column (5);
the side wall of the mounting column (5) is provided with a plurality of mounting grooves (51), the mounting grooves (51) are uniformly distributed along the circumferential direction of the mounting column (5), and the extending direction of the mounting grooves (51) penetrates through the mounting column (5) along the axial direction of the mounting column (5); the mounting groove (51) is used for mounting a hemoglobin detection card;
the mounting column (5) is arranged in the shell (4), one end of the mounting column (5) is rotatably connected with the side wall of the shell (4), and the other end of the mounting column (5) is rigidly connected with the driving shaft; a detection component (6) is arranged above the mounting column (5) in the shell (4).
2. The collection and detection device for hemoglobin in blood according to claim 1, further comprising an index plate (41), wherein an output shaft of the index plate (41) is used as a driving shaft, penetrates through one side wall of the housing (4) and is rigidly connected with one axial end of the mounting column (5), and the output shaft of the index plate (41) is coincident with the central axis of the mounting column (5); the indexing disc (41) drives the mounting column (5) to rotate according to a set angle.
3. The collection and detection device for hemoglobin in blood according to claim 1, wherein a mounting hole is opened on a side wall of the housing (4) opposite to a side wall provided with the index plate (41), a bearing (42) is arranged in the mounting hole, and a shaft sleeve (43) is rotatably arranged in the bearing (42); still include pivot (44), the axial one end of pivot (44) is passed behind axle sleeve (43) and can be dismantled with the axial other end of erection column (5) and be connected, and the axial other end of pivot (44) and axle sleeve (43) are located the outer one end of casing (4) and can be dismantled and be connected.
4. The collecting and detecting device for hemoglobin in blood according to claim 3, wherein the mounting post (5) has positioning holes (52) at two axial end faces, the axial direction of the positioning holes (52) coincides with the central axis direction of the mounting post (5), and positioning teeth are provided on the side walls of the positioning holes (52); the free end of the driving shaft is provided with a positioning tooth meshed with the positioning hole (52), and the free end of the driving shaft is embedded into the positioning hole (52) on one side and connected with the positioning hole; and a positioning tooth meshed with the positioning hole (52) is arranged at one axial end of the rotating shaft (44), and one axial end of the rotating shaft (44) is embedded into the positioning hole (52) on the other side and connected.
5. The collection and detection device for hemoglobin in blood according to claim 1, wherein an end cap (45) is disposed at an end of the rotation shaft (44) located outside the housing (4), a positioning tooth is disposed at an end surface of the end cap (45) facing the housing (4), a positioning slot adapted to the positioning tooth is disposed at an end surface of the shaft sleeve (43) located outside the housing (4), and the positioning ruler is adapted to the positioning slot to limit the relative rotational movement between the rotation shaft (44) and the shaft sleeve (43).
6. The collection and testing device for hemoglobin in blood according to any one of claims 1 to 5, wherein the hemoglobin test card comprises a reagent card (1), a blood sample card (2), and a color card (3);
the upper surface of the color development card (3) is provided with a reaction tank (31), and adsorption filter paper (32) is laid in the reaction tank (31); the upper surface of the color development card (3) is fixedly attached to the lower surface of the reagent card (1), a reaction chamber formed by a reaction groove (31) of the color development card (3) and the lower surface of the reagent card (1) is used as a reaction chamber, and adsorption filter paper (32) is accommodated in the reaction chamber; the reaction tank (31) penetrates through the color development card (3) downwards, and a transparent display film layer (33) is covered at the bottom port of the reaction tank (31) in a sealing way;
the upper surface of the reagent card (1) is provided with a groove body, and the length direction of the groove body is the same as the long axis direction of the reagent card (1); be equipped with two baffle (11) in the cell body, two baffle (11) along the length direction interval distribution of cell body, and separate the cavity of cell body and be three sub-cell body: a diversion trench I (12), a reagent trench (13) and a diversion trench II (14); a flexible sealing film I covers the opening of the reagent tank (13), and a closed tank body enclosed by the flexible sealing film I and the reagent tank (13) is used for containing a detection reagent; the flow guide groove II (14) penetrates through the reagent card (1) downwards and is communicated with the reaction groove (31), and a puncture rack I (15) is arranged at the notch of the flow guide groove II (14);
the shape and the size of the blood sample card (2) are matched with the groove body in an embedded manner; the lower surface of one end of the blood sample card (2) in the long axis direction is provided with a puncture block (21), the puncture block (21) is provided with a puncture rack II (22), the puncture block (21) is embedded into the diversion trench I (12), and the puncture rack II (22) is used for puncturing the corresponding partition board (11) and the bottom of the diversion trench I (12), so that the reagent trench (13) is communicated with the diversion trench I (12), and the diversion trench I (12) is communicated with the reaction trench (31); the lower surface of the other end of the blood sample card (2) in the long axis direction is provided with a flow guide block (23); a flexible sealing film II covers the lower surface of the blood sample card (2) and is positioned between the puncture block (21) and the flow guide block (23), the periphery of the flexible sealing film II is attached to the lower surface of the blood sample card (2) and the side wall of the flow guide block (23) to form a blood containing chamber, the blood containing chamber is dissolved in the blood containing chamber and contains a blood sample to be detected, and the chamber is communicated with a hollow chamber of the flow guide block (22); the flow guide block (23) is embedded into the flow guide groove II (14), the puncture rack I (15) is used for puncturing the flow guide block (23), and a hollow cavity of the flow guide block (23) is communicated with the flow guide groove II (14).
7. The collection and detection device for hemoglobin in blood according to claim 6, wherein the surface of the puncture rack I (15) is provided with a plurality of flow guide grooves, and the direction of each flow guide groove is the same as the direction of the flow of the detection reagent flowing from the reagent tank (13) to the reaction tank (31);
the puncture rack II (22) is provided with a plurality of diversion grooves, and the direction of each diversion groove is the same as the direction of the blood sample to be detected flowing into the reaction tank (31) from the blood containing chamber.
8. The collecting and testing device for hemoglobin in blood according to claim 6, wherein the partition plate (11) between the flow guide groove I (12) and the reagent groove (13) is a plate structure with equal thickness and is obliquely arranged, the upper end of the partition plate (11) is inclined towards the reagent groove (13), the lower end of the partition plate (11) is inclined towards the flow guide groove I (12), and the included angle between the plate surface of the partition plate (11) facing the reagent groove (13) and the bottom surface of the reagent groove (13) is 20-60 °.
9. The collection and detection device for hemoglobin in blood according to claim 6, wherein said blood sample card (2) is made of elastic plastic material; the hardness of the reagent card (1) and the color development card (3) is greater than that of the blood sample card (2); the upper surface of the blood sample card (2) is provided with a blood sample injection port (25) to be detected.
10. The collection and detection device for hemoglobin in blood according to claim 6, wherein the upper surface of the reagent card (1) is covered with a tear-off sealing film, and the circumference of the tear-off sealing film is continuously attached and fixed with the circumference of the upper surface of the reagent card (1).
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| CN202010967819.0A CN112213301B (en) | 2020-09-15 | 2020-09-15 | Collecting and detecting device for hemoglobin in blood |
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| CN202010967819.0A CN112213301B (en) | 2020-09-15 | 2020-09-15 | Collecting and detecting device for hemoglobin in blood |
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| CN112213301B CN112213301B (en) | 2022-03-18 |
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| CN112213301B (en) | 2022-03-18 |
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