CN113552374A - Allergen test system - Google Patents
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- CN113552374A CN113552374A CN202110963392.1A CN202110963392A CN113552374A CN 113552374 A CN113552374 A CN 113552374A CN 202110963392 A CN202110963392 A CN 202110963392A CN 113552374 A CN113552374 A CN 113552374A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
本发明公开了一种过敏原测试系统，涉及过敏原测试技术领域，包括测试模块、识别模块、控制模块和动作模块，测试模块包括夹持单元、测试头组件、过敏原液盒和安放组件，识别模块包括光学识别单元和标识条，控制模块电性连接动作模块，动作模块连接夹持单元，标识条用于贴合在受试者的待检测部位上并形成点刺观察区域，过敏原液盒内部设置有过敏原液，测试头组件包括针头单元和设置在针头单元四周的包围单元，包围单元与针头单元之间存在空隙并形成吸附空间，光学识别单元用于获取点刺观察区域的点刺图像信息，并根据点刺图像信息生成测试结果。本发明具有智能化水平高、节省成本、测试效果好和测试效率高的优点。
The invention discloses an allergen testing system, which relates to the technical field of allergen testing, and includes a testing module, an identification module, a control module and an action module. The module includes an optical identification unit and a marking strip, the control module is electrically connected to the action module, the action module is connected to the clamping unit, the marking strip is used to fit on the subject to be detected and form a prick observation area, and the inside of the allergen solution box Allergen solution is provided, the test head assembly includes a needle unit and an enclosing unit arranged around the needle unit, there is a gap between the enclosing unit and the needle unit to form an adsorption space, and the optical recognition unit is used to obtain the prick image information of the prick observation area , and generate test results based on prick image information. The invention has the advantages of high intelligence level, cost saving, good test effect and high test efficiency.
Description
Technical Field
The invention relates to the technical field of allergen testing, in particular to an allergen testing system.
Background
Allergic diseases are local attacks of systemic diseases, which are manifested in different parts, and allergic rhinitis, allergic asthma, atopic dermatitis, food allergy, eczema and the like are common, and anaphylactic shock can occur in severe cases.
Epidemiology of allergic diseases shows that 30-40% of people worldwide suffer from one or more allergic diseases, and allergy also becomes another big "killer" of human health. In China, 37.3% of people have the incidence rate of allergic diseases, more than 1 hundred million allergic rhinitis patients and 3000 ten thousand asthma patients.
The primary task in diagnosing and treating allergic diseases is to identify the allergen. The Skin Prick Test (SPT) is an important means for detecting the allergen for a long time in medical clinical application, and the method comprises the following steps: dropping a small amount of highly purified allergen on the forearm of a patient, lightly puncturing the surface layer of the skin by using a pricker needle, if the patient is allergic to the allergen, immediately and specifically causing degranulation of mast cells in the skin, releasing active substances such as histamine and the like, causing local telangiectasia (erythema), increasing capillary permeability (edema, wheal), indicating allergy with a positive result, and indicating no allergy with a negative result.
However, the single needle body or the multiple needle bodies and other acupuncture devices used in the medical clinic at present have the following problems: firstly, the single needle body pricking device needs to change needles one by one to perform pricking tests, and is complex in work, time-consuming and labor-consuming; the multi-needle body pricking device needs to manually dip various allergen liquids, so that a test false negative result is caused when part of needles are not successfully dipped easily; the sticking type prick device needs to fill various allergen liquids in place in advance, is complicated in operation process, wastes time and labor, is easy to generate deviation due to manual filling, and affects the accuracy of a test result; secondly, all the single needle bodies or the multiple needle bodies and other pricking devices are manually inserted into the skin of the testee by medical staff, and because each person has different hand techniques, the test result is influenced by false positive caused by the fact that the skin is inserted too deeply to bleed or false negative caused by the fact that the skin is inserted too shallowly; thirdly, erythema or wheal generated by the prick test is generally measured manually by medical staff by using a measuring ruler, and is interpreted manually according to the measurement result, so that the measurement interpretation mode is time-consuming and labor-consuming, and is easy to generate errors manually; fourthly, the existing single-needle body pricking device firstly drips the allergen liquid, the multi-needle body pricking device dips the allergen liquid and the sticking type pricking device is filled with the allergen liquid in advance, so that the allergen liquid is wasted due to large liquid adding amount; fifthly, most of the existing prick test reports are manually filled by medical staff, and the work is complicated and errors easily occur.
In summary, there is a need for a more standardized, automated, intelligent, and cost-effective allergen testing device.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an allergen testing system.
An allergen testing system comprises a testing module, an identification module, a control module and an action module, wherein the testing module comprises a clamping unit, a testing head assembly, an allergen liquid box and a mounting assembly, and the identification module comprises an optical identification unit and an identification strip; the control module is electrically connected with the action module, the action module is connected with the clamping unit, the control module is used for starting the action module, and the action module is used for driving the clamping unit to move and lift within a preset range after being started; the identification strip is attached to the part to be detected of the subject and forms a prick observation area; the allergen liquid box and the placing component are arranged in the preset range, allergen liquid is arranged inside the allergen liquid box, the placing component is used for placing a part to be detected, the clamping unit is used for clamping the test head component, the test head component is used for extending into the allergen liquid box under the driving of the clamping unit and adsorbing the allergen liquid, and the test head component is also used for penetrating into a prick observation area by a preset depth under the driving of the clamping unit when the part to be detected is placed in the placing component; the test head assembly comprises a needle head unit and an enclosing unit arranged on the periphery of the needle head unit, a gap is formed between the enclosing unit and the needle head unit to form an adsorption space, and the adsorption space can adsorb and store allergen liquid after the test head assembly extends into the allergen liquid box; the optical identification unit is used for acquiring the prick image information of the prick observation area and generating a test result according to the prick image information. The clamping unit can adopt a robot arm, specifically can be of a jaw type, an air suction type, an electromagnetic type or other types, and can reliably and accurately clamp the test head assembly through the clamping unit; the power module can be formed by combining a hydraulic assembly, a screw rod sliding block and the like together. The whole automatic test flow is as follows: firstly, placing a test head assembly and an allergen liquid box into which allergen liquid is injected at a specified position within a preset range; then the identification strip is attached to the palm side of the forearm of the testee and placed on the placing component, so that a prick observation area is formed, the control module controls the action module to start, the clamping unit is enabled to grab the test head component which automatically sucks the allergen liquid and move to the prick observation area above the forearm of the testee, after the prick observation area is aligned, the clamping unit pricks the test head component to the prick observation area under the driving of the power component, and meanwhile, under the limiting and pressing of the surrounding unit, the pricking depth of the needle head unit is ensured to be controllable, namely, the pricking depth is ensured to be preset, and further, the clamping unit immediately discards the test head component in a medical waste barrel after the prick test; and (5) placing the forearm of the subject on the placing assembly 15-20 minutes after the prick test is finished, and judging and generating a test result through the control module and the optical recognition unit.
Preferably, the test head assembly further comprises a mounting frame, a handle is arranged in the center of the top of the mounting frame, a balance column is arranged in the center of the bottom of the mounting frame, a plurality of test columns are further arranged on the mounting frame, and the needle head unit and the surrounding unit are arranged at the bottom ends of the test columns; wherein, the handle is used for being held by the centre gripping unit, balanced post is used for balancing the mounting bracket. The handle is used for being clamped by the clamping unit; on one hand, the balance column can limit the depth of the needle unit inserted into the allergen liquid box and protect the needle unit from being damaged; the mounting rack can be ensured to be in a balanced state, liquid taking failure caused by large inclination angle can not be caused, meanwhile, the mounting rack can be aligned with the identification strip to implement a prick test, the needle head unit can be ensured to reliably prick into a prick observation area, the subsequent optical identification unit can be favorable for acquiring prick image information, particularly, the bottom surface of the balance column can be simultaneously contacted with the skin of a subject, and the balance column can generate pressure feeling on the skin to reduce pain feeling of the subject caused by the prick of the needle head unit; the number of the test columns on one mounting rack can be 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10 … … N, based on the balance principle, the preferred even number symmetrical arrangement can be made of metal or nonmetal materials, and the needle head unit is mainly applied to the disposable use in the medical field, meanwhile, the needle head unit is easy to bleed and the testee is strong in pain, and in addition, from the perspective of biocompatibility and economical and practical, nonmetal materials such as high polymers are preferred.
Preferably, the needle unit comprises a plurality of needle point structures, the surrounding unit comprises a plurality of surrounding columns, the surrounding columns are respectively arranged around the plurality of needle point structures in a surrounding manner, and the adsorbing space is formed between the surrounding columns and the needle point structures; and the height of the bottom surface of the surrounding column is not lower than that of the bottom tip of the needle tip structure. The number of the needle point structures in the needle head unit can be 1, 2, 3 and 4 … … N, according to the triangle stability principle, the 3 needle point structures are more uniform and stable in the pricking test, and the using amount of the allergen liquid is relatively less, so that the number of the needle point structures and the surrounding columns is 3, the needle point structures and the surrounding columns are preferred, each slender needle point structure is manufactured in the same length, and the amount of the allergen liquid absorbed by each needle point structure is 2-25 microliter; meanwhile, the surrounding column is manufactured in a length smaller than or equal to that of the needle point structure, an adsorption space is formed between the surrounding column and the needle point structure, the adsorption space can automatically adsorb allergen liquid due to surface tension, the adsorbed allergen liquid can not easily fall off, the needle point can be protected from being damaged, meanwhile, the whole surrounding column can limit the preset depth of the needle point structure penetrating into the skin, further, in the penetrating process of the needle point structure, the surrounding column can also generate pressure feeling on the skin, and the pain feeling of a subject caused by the penetrating of the needle point structure is further reduced.
Preferably, the placing component comprises the test card position and the identification card position, and the test card position and the identification card position are used for placing the tested part; the test card position is located in a preset area, and the identification card position is right opposite to the optical identification unit. The test card position can be the same as or different from the identification card position, and when the test card position is the same as the identification card position, a tested part does not need to be moved to the identification card position from the test card position by a tested person; the test screens and the recognition screens are both composed of U-shaped positions and fixing belts, when the tested part is an arm, the forearm of the testee is placed on the U-shaped position in a palm side direction, and the forearm of the testee is fixed on the U-shaped position by the fixing belts, so that the forearm is prevented from moving during testing to influence the testing result.
Preferably, an air opening structure is further arranged above the test clamping position and used for releasing air with a preset temperature to the test clamping position. When the clamping unit operates and pricks the test and then immediately starts the air port structure, the air port structure releases air with preset temperature to the test clamping position, volatilization of residual allergen liquid on the arm of a testee is accelerated by increasing air flow, liquid beads caused by long waiting time are effectively prevented from sliding, and on the basis, liquid volatilization efficiency can be improved by controlling the temperature of the released air.
Preferably, the allergen liquid cartridge comprises a housing, a sealing cover and a plurality of liquid storage chambers, wherein the liquid storage chambers are arranged in the housing, and the sealing cover is used for sealing the inner space of the housing; wherein, it is a plurality of stock solution cavity is inside to set up different grade type allergen liquid respectively, and a plurality of test cylinder are arranged in inserting a plurality of stock solution cavities respectively under the drive of clamping unit to make a plurality of test cylinder adsorb different grade type allergen liquid respectively. Before testing, the needle point structure in the testing head assembly is always placed in the liquid storage cavity, so that the sealing performance of the liquid storage cavity can be improved, volatilization of allergen liquid is reduced, the needle point structure does not touch the bottom of the liquid storage cavity, and meanwhile, the sealing cover seals the inner space of the shell; the whole liquid storage cavity is preferably made of transparent materials, so that the use condition of the allergen liquid can be observed conveniently; the inlet of the liquid storage chamber is designed into a slope shape with a high outer part and a low inner part, and redundant liquid flows back from the chamber in the withdrawing process after the needle tip structure adsorbs the allergen liquid, so that the waste of the allergen liquid can be reduced; the inner diameter of the liquid storage cavity is designed to be smaller from the middle to two ends, so that liquid can be prevented from shaking to overflow the liquid storage cavity when the cavity is moved; the bottom of the liquid storage cavity is designed to be a cylinder with a round flat bottom and the inner height of the cylinder is larger than the length of the needle tip structure, and the volume of allergen liquid added into the liquid storage cavity is larger than that of the cylinder; the liquid storage chambers can be designed into one group or a plurality of groups, the liquid storage chambers of each group have the same coding rule with the needle point structure, so that the liquid storage chambers and the needle point structure are in one-to-one correspondence, and the needle point structure can accurately correspond to different allergen liquids when adsorbing the allergen liquids; the bottom of the inner side of the shell is provided with a plurality of groups of clamping positions, so that the liquid storage cavity is not shaken in the clamping positions, and the liquid storage cavity can be taken out of the clamping positions before allergen liquid is added into the liquid storage cavity, and the liquid adding condition of each cavity is convenient to observe due to the transparent material of the liquid storage cavity; the bottom of the outer side of the shell is provided with an anti-skid part, so that the allergen liquid box is not easy to move on a certain plane; in order to improve the sealing effect of the allergen liquid box, a flexible sealing material can be fixed at the joint of the shell and the sealing cover; in order to improve the safety of the allergen liquid box during moving, a buckle or a lock catch can be designed at the joint part of the shell and the sealing cover.
Preferably, the control module comprises a display screen, a control interaction screen and a control test unit, wherein the control interaction screen is electrically connected with the control test unit and the optical identification unit. The display screen is used for playing videos (animations) to attract the attention of a subject (particularly a child subject), and the process that the test head assembly penetrates the skin is only 1-2 seconds, so that the subject cannot immediately react to the acupuncture after the attention of the subject is transferred, and the test is finished, so that the design of the display screen can partially or completely relieve the tension of the subject, reduce the pain or discomfort brought to the subject by the test, improve the adaptability of the child subject, reduce the fear of the child subject and parents to the test, and improve the completeness and accuracy of the test; the control interactive screen realizes allergen test and result identification by controlling the test unit and the optical identification unit, and can be designed as a touch screen.
Preferably, the identification strip includes a size scale disposed around the prick observation area. The identification strip is preferably made of flexible materials, wherein one side of the identification strip is colloid which can be adhered to the skin, and the other side of the identification strip is non-colloid which can be printed with the following contents: prick test numbers, size scales, two-dimensional codes (bar codes) and cartoon patterns; the prick test numbers can correspond to the numbers of each group of liquid storage chambers of the allergen liquid box one by one, and the size scales can be matched with the optical identification unit for judgment and generating test results; the two-dimensional code (bar code) can correspond to personal information and a test result of a testee; the cartoon pattern is a printing mode which is popular with children testees, and the pattern can be designed without or with other patterns.
Preferably, the identification unit comprises a light source and a camera. The light source may be equipped with standard white light, polarized light, ultraviolet light, and the like. In one example, a picture of the arm of the subject is taken as a first image before the prick test, and a second image is taken after a calibration light source is provided according to the size scale and the color of the identification strip in the first image after the prick test so as to identify and interpret the test result. In a further example, the light source may be selected to highlight the wavelength of detectable light of the skin reaction, which in many cases may include an increase in the degree of redness of the skin, in which case the light source may be set to green and blue light. The skin may reflect green and blue light before the prick test, but more green and blue light is absorbed as the skin turns red after the test, so the skin image before and after the prick test may have high brightness and contrast due to the more intense absorption of green and blue light in the second image.
Preferably, the test system further comprises a printing module, and the control module is used for automatically filling the test result in a preset test report template and controlling the printing module to print the test result.
The invention has the beneficial effects that:
in the invention, the prick test is carried out automatically, intelligently and standardly in the whole system, single-prick or multi-prick operation can be selected at will, and allergen liquid does not need to be dipped manually, thereby improving the reliability of the test result; furthermore, the test head assembly of the whole system is immediately used for detection, so that the steps of actively filling the allergen liquid into the test head assembly and the like are avoided, and the test efficiency is high; furthermore, the test result is judged and generated through the optical identification unit and the control module in an artificial intelligence manner, so that the artificial measurement and interpretation are avoided, and the test efficiency and the test effect are improved; more critical is, through the cooperation setting that surrounds unit and syringe needle unit, can form the adsorption space to when dipping in and getting allergen liquid, can rely on the tension effect that allergen liquid produced in the adsorption space, guarantee its absorption firmness, avoid the syringe needle unit to fall the allergen liquid at the removal in-process and leak, thereby only need dip in and get a small amount of allergen liquid and can accomplish the test procedure, and then avoid extravagant and save the cost.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic composition diagram of the present invention;
FIG. 2 is a front elevational view of the test head assembly of the present invention;
FIG. 3 is a side view of the structure of the test head assembly of the present invention;
FIG. 4 is a perspective view of the enclosure unit and needle unit of the present invention;
FIG. 5 is a front elevational view of the enclosure unit and needle unit of the present invention;
FIG. 6 is a bottom view of the enclosure unit and needle unit of the present invention;
FIG. 7 is a schematic diagram of the control module of the present invention;
FIG. 8 is a schematic diagram of the composition of the allergen liquid cassette of the present invention;
FIG. 9 is a schematic diagram of the optical identification unit of the present invention.
Reference numerals:
1-test module, 11-holding unit, 12-test head assembly, 121-needle unit, 1211-needle point structure, 122-enclosing unit, 1221-enclosing column, 123-adsorption space, 124-mounting frame, 125-handle, 126-test cylinder, 127-balancing column, 13-allergen liquid box, 131-housing, 132-sealing cover, 133-liquid storage chamber, 14-mounting assembly, 141-test card, 142-identification card, 15-tuyere structure, 2-identification module, 21-optical identification unit, 211-light source, 212-camera, 22-identification strip, 3-control module, 31-display screen, 32-control interaction screen, 33-control test unit, 4-action module, 5-printing module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, cannot be construed as limiting the present invention.
As shown in fig. 1 to 9, an allergen testing system comprises a testing module 1, an identification module 2, a control module 3 and an action module 4, wherein the testing module 1 comprises a clamping unit 11, a testing head assembly 12, an allergen liquid box 13 and a mounting assembly 14, and the identification module 2 comprises an optical identification unit 21 and an identification strip 22; the control module 3 is electrically connected with the action module 4, the action module 4 is connected with the clamping unit 11, the control module 3 is used for starting the action module 4, and the action module 4 is used for driving the clamping unit 11 to move and lift within a preset range after being started; the identification strip 22 is attached to the part to be detected of the subject and forms a prick observation area; the allergen liquid box 13 and the placing component 14 are arranged in a preset range, allergen liquid is arranged inside the allergen liquid box 13, the placing component 14 is used for placing a part to be detected, the clamping unit 11 is used for clamping the test head component 12, the test head component 12 is used for extending into the allergen liquid box 13 under the driving of the clamping unit 11 and adsorbing the allergen liquid, and the test head component 12 is also used for puncturing the pricking observation area by a preset depth under the driving of the clamping unit 11 when the part to be detected is placed in the placing component 14; the test head assembly 12 comprises a needle unit 121 and an enclosing unit 122 arranged around the needle unit 121, a gap exists between the enclosing unit 122 and the needle unit 121 and forms an adsorption space 123, and after the test head assembly 12 extends into the allergen liquid box 13, the adsorption space 123 can adsorb and store the allergen liquid; the optical identification unit 21 is configured to acquire prick image information of the prick observation area, and generate a test result according to the prick image information.
In this embodiment, it should be noted that the whole system may be an integral or split device, the appearance of the device may be a box-enclosed type or an open type, and the box-enclosed type is preferable for adapting to different use environments, the material of the box-enclosed type box shell 131 may be metal, polymer or other materials, the material of the box shell 131 may be transparent or opaque, and the following description mainly refers to an integral form and a box-enclosed type; the clamping unit 11 can adopt a robot arm, specifically can be of a jaw type, an air suction type, an electromagnetic type or other types, and can reliably and accurately clamp the test head assembly 12 through the clamping unit 11; the power module can be formed by combining a hydraulic assembly, a screw rod sliding block and the like together. The whole automatic test flow is as follows: firstly, placing the test head assembly 12 and the allergen liquid box 13 filled with allergen liquid at a specified position within a preset range; then the identification strip 22 is attached to the palm side of the forearm of the subject and placed on the placing component 14, so as to form a prick observation area, the control module 3 controls the action module 4 to start, the clamping unit 11 is enabled to grab the test head component 12 which automatically sucks the allergen liquid and move to the prick observation area above the forearm of the subject, after the prick observation area is aligned, the clamping unit 11 is driven by the power module to prick the test head component 12 to the prick observation area, and meanwhile, under the limiting and pressing of the surrounding unit 122, the pricking depth of the needle head unit 121 is ensured to be controllable, namely, the pricking depth is ensured to be preset, and further, the clamping unit 11 immediately discards the test head component 12 in a medical waste barrel after the prick test; after the prick test is finished, the forearm of the subject is placed on the placement component 14 for 15-20 minutes, and the test result is generated through judgment of the control module 3 and the optical recognition unit 21. In conclusion, the whole system carries out prick test automatically, intelligently and standardly, single-prick or multi-prick operation can be selected at will, and allergen liquid does not need to be dipped manually, so that the reliability of the test result is improved; furthermore, the test head assembly 12 of the whole system is immediately used for detection, so that the steps of actively filling the allergen liquid into the test head assembly 12 and the like are avoided, and the test efficiency is high; furthermore, the optical identification unit 21 and the control module 3 judge and generate a test result through artificial intelligence, so that artificial measurement and interpretation are avoided, and the test efficiency and the test effect are improved; more critical is, through the cooperation setting that surrounds unit 122 and syringe needle unit 121, can form adsorption space 123 to when dipping in and getting allergen liquid, can rely on the tension effect that allergen liquid produced in adsorption space 123, guarantee its absorption fastness, avoid syringe needle unit 121 to fall the allergen liquid leak at the removal in-process, thereby only need dip in and get a small amount of allergen liquid and can accomplish the test procedure, and then avoid extravagant and save the cost.
Specifically, the testing head assembly 12 further includes a mounting frame 124, a handle 125 is disposed at the center of the top of the mounting frame 124, a balance column 127 is disposed at the center of the bottom of the mounting frame 124, a plurality of testing columns 126 are disposed on the mounting frame 124, and a needle unit 121 and a surrounding unit 122 are disposed at the bottom ends of the testing columns 126; wherein the handle 125 is adapted to be gripped by the illustrated gripping unit 11 and the balancing post 127 is adapted to balance the mounting bracket 124.
In the present embodiment, the handle 125 is used to be gripped by the gripping unit 11; the balance column 127 can limit the depth of the needle unit 121 inserted into the allergen liquid box 13 on one hand, and protect the needle unit 121 from being damaged; the mounting frame 124 can be ensured to be in a balanced state, liquid taking failure caused by a large inclination angle can be avoided, meanwhile, the mounting frame can be aligned with the identification strip 22 to implement a prick test, the needle head unit 121 can be ensured to be reliably pricked into a prick observation area, the subsequent acquisition of the prick image information by the optical identification unit 21 is facilitated, particularly, the bottom surface of the balance column 127 can be simultaneously contacted with the skin of a subject through the needle head unit 121, and the skin is pressed through the balance column 127, so that pain of the subject caused by the prick of the needle head unit 121 is reduced; the number of the test columns 126 on one mounting rack 124 may be 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 … … N, based on the balance principle, preferably arranged in a symmetrical manner, and may be made of metal or non-metal materials, and since the test columns are mainly used in the medical field for one-time use, the needle unit 121 is easy to bleed and the subject is painful, and further, from the perspective of biocompatibility and economical efficiency, non-metal materials such as polymer are preferred.
Specifically, the needle unit 121 includes a plurality of needle tip structures 1211, the surrounding unit 122 includes a plurality of surrounding pillars 1221, the surrounding pillars 1221 are respectively surrounded around the plurality of needle tip structures 1211, and an absorption space 123 is formed between the surrounding pillars 1221 and the needle tip structures 1211; wherein the height of the bottom surface of the surrounding pillar 1221 is not lower than the bottom tip of the tip structure 1211.
In this embodiment, it should be noted that the number of the needle tip structures 1211 in the needle unit 121 may be 1, 2, 3, 4 … … N, and according to the triangle stability principle, the 3 needle tip structures 1211 is more uniform and stable for performing the prick test, and the amount of the allergen solution used is relatively small, so that the number of the needle tip structures 1211 and the surrounding columns 1221 is 3, and each of the elongated needle tip structures 1211 is made with the same length, and the amount of the allergen solution absorbed by each of the needle tip structures 1211 is 2-25 μ l; meanwhile, the surrounding column 1221 is manufactured in a length less than or equal to the length of the needle tip structure 1211, because the absorption space 123 is formed between the surrounding column 1221 and the needle tip structure 1211, the absorption space 123 automatically absorbs the allergen solution due to surface tension, the absorbed allergen solution is not easy to fall off, the needle tip can be protected from being damaged, meanwhile, the whole surrounding column 1221 can limit the preset depth of the needle tip structure 1211 penetrating into the skin, furthermore, in the penetrating process of the needle tip structure 1211, the surrounding column 1221 can also generate pressure feeling on the skin, and pain feeling of a subject caused by the penetrating of the needle tip structure 1211 is further reduced.
Specifically, the placement component 14 includes a test card 141 and an identification card 142, and both the test card 141 and the identification card 142 are used for placing the tested part; the test card 141 is located in the predetermined area, and the identification card 142 faces the optical identification unit 21.
In this embodiment, it should be noted that the test card 141 may be the same as or different from the identification card 142, and when the same, the subject is not required to move the tested part from the test card 141 to the identification card 142; the test card 141 and the identification card 142 are both composed of a U-shaped position and a fixing band, when the tested part is an arm, the forearm of the testee is placed on the U-shaped position with the palm side upward, and the fixing band fixes the forearm of the testee on the U-shaped position, so that the forearm is prevented from moving during testing to influence the testing result.
Specifically, an air opening structure 15 is further disposed above the test fixture 141, and the air opening structure 15 is used for releasing air at a preset temperature onto the test fixture 141.
In the embodiment, it should be noted that, when the holding unit 11 finishes the prick test, the air opening structure 15 is immediately started, the air opening structure 15 releases air at a preset temperature toward the test card 141, and the volatilization of the residual allergen solution on the arm of the subject is accelerated by increasing the air flow, so as to effectively prevent the liquid beads from sliding off due to the long waiting time, and on this basis, the volatilization efficiency of the liquid can be improved by controlling the temperature of the released air.
Specifically, the allergen liquid cartridge 13 includes a housing 131, a sealing cover 132, and a plurality of liquid storage chambers 133, the liquid storage chambers 133 are disposed inside the housing 131, and the sealing cover 132 is used for sealing the space inside the housing 131; wherein, different types of allergen liquids are respectively arranged in the liquid storage chambers 133, and the testing cylinders 126 are respectively inserted into the liquid storage chambers 133 under the driving of the clamping unit 11, so that the testing cylinders 126 respectively adsorb the different types of allergen liquids.
In this embodiment, it should be noted that, before the test is performed, the tip structure 1211 in the testing head assembly 12 is always placed in the liquid storage chamber 133, so that the sealing performance of the liquid storage chamber 133 can be improved, thereby reducing the volatilization of the allergen, and the tip structure 1211 does not touch the bottom of the liquid storage chamber 133, and the sealing cover 132 seals the inner space of the housing 131; the whole liquid storage chamber 133 is preferably made of transparent materials, so that the use condition of the allergen liquid can be observed conveniently; the inlet of the liquid storage chamber 133 is designed to be a slope with a high outer part and a low inner part, and the needle tip structure 1211 adsorbs the allergen liquid and then the redundant liquid flows back from the chamber in the withdrawing process, so that the waste of the allergen liquid can be reduced; the inner diameter of the liquid storage cavity 133 is designed to be smaller from the middle to the two ends, so that liquid can be prevented from shaking to overflow the liquid storage cavity 133 when the cavity is moved; the bottom of the liquid storage chamber 133 is designed to be a cylinder with a round flat bottom and the inner height larger than the length of the needle tip structure 1211, and the volume of the allergen liquid added into the liquid storage chamber 133 should be larger than that of the cylinder; the liquid storage chambers 133 can be designed into one group or a plurality of groups, the liquid storage chambers 133 and the needle point structures 1211 in each group have the same encoding rule, so that the two groups correspond to each other one by one, and the needle point structures 1211 can accurately correspond to different allergen liquids when adsorbing the allergen liquids; the bottom of the inner side of the shell 131 is provided with a plurality of groups of clamping positions, so that the liquid storage cavity 133 is not shaken in the clamping positions, and the liquid storage cavity 133 can be taken out of the clamping positions before allergen liquid is added into the liquid storage cavity 133, and the liquid adding condition of each cavity can be conveniently observed due to the transparent material of the liquid storage cavity 133; the bottom of the outer side of the shell 131 is provided with an anti-slip part, so that the allergen liquid box 13 is not easy to move on a certain plane; in order to improve the sealing effect of the allergen liquid cartridge 13, a flexible sealing material may be fixed to a joint portion of the housing 131 and the sealing cover 132; in order to improve the safety of the allergen liquid cartridge 13 during movement, a snap or a lock may be designed at the joint of the housing 131 and the sealing cover 132.
Specifically, the control module 3 includes a display screen 31, a control interactive screen 32 and a control test unit 33, and the control interactive screen 32 is electrically connected to the control test unit 33 and the optical identification unit 21.
In this embodiment, it should be noted that the display screen 31 plays a video (cartoon) to attract the attention of the subject (especially the child subject), and since the process of the test head assembly 12 penetrating the skin is only 1-2 seconds, the subject cannot immediately respond to the acupuncture after the attention is transferred, and the test is finished, the design of the display screen 31 can partially or completely relieve the tension of the subject, reduce the pain or discomfort caused by the test to the subject, improve the fitness of the child subject, reduce the fear of the child subject and parents to the test, and improve the completion and accuracy of the test; the control interactive screen 32 realizes allergen testing and result recognition by controlling the testing unit 33 and the optical recognition unit 21, and can be designed as a touch screen.
Specifically, the identification band 22 includes a scale of dimensions around the periphery of the prick observation area.
In this embodiment, the identification strip 22 is preferably made of a flexible material, wherein one surface of the identification strip is a colloid capable of being adhered to the skin, and the other surface of the identification strip is a non-colloid capable of being printed with the following contents: prick test numbers, size scales, two-dimensional codes (bar codes) and cartoon patterns; the prick test numbers can correspond to the numbers of each group of liquid storage chambers 133 of the allergen liquid box 13 one by one, and the size scales can be matched with the optical identification unit 21 for judgment and generating test results; the two-dimensional code (bar code) can correspond to personal information and a test result of a testee; the cartoon pattern is a printing mode which is popular with children testees, and the pattern can be designed without or with other patterns.
Specifically, the recognition unit includes a light source 211 and a camera 212.
In this embodiment, the light source 211 may be provided with standard white light, polarized light, ultraviolet light, or the like. In one example, a picture of the subject's arm is taken as a first image before the prick test, and a second image is taken after the prick test is performed after the calibration light source 211 is provided according to the size scale and color of the identification strip 22 in the first image, so as to identify the interpretation test result. In further examples, the light source 211 may be selected to emphasize the wavelength of detectable light of a skin reaction, which in many cases may include an increase in the degree of redness of the skin, in which case the light source 211 may be configured to be green and blue. The skin may reflect green and blue light before the prick test, but more green and blue light is absorbed as the skin turns red after the test, so the skin image before and after the prick test may have high brightness and contrast due to the more intense absorption of green and blue light in the second image.
Further, the following artificial intelligence system judgment method is preferred: 1. automatically calculating the maximum diameter of the test part wheal by taking the size scales of the identification strip 22 as a reference object and obtaining a result, or automatically calculating the area of the test part wheal and comparing the areas to obtain a result; 2. automatically calculating the maximum diameter of the test part wheal and obtaining a result or automatically calculating the area of the test part wheal and comparing the areas to obtain a result by taking the fixed distance between the indentations of the surrounding column 1221 on the skin as a reference; 3. and (4) automatically comparing the test point, the negative control area and the positive control area without a reference substance to obtain a result. The method includes, but is not limited to, the following judgment generation methods, for example one: the negative control point is less than 3mm, the positive control point is more than or equal to 3mm, and the maximum diameter of the test point wheal is more than or equal to 3mm, the test point is judged to be positive; example two: the area of the test point wheal is less than or equal to the area of the positive control wheal multiplied by 25 percent or is the same as the area of the negative control wheal, and the test point is judged to be negative (-); the area of the positive control wheal is more than 25 percent and less than or equal to the area of the test point wheal is more than 50 percent, and the test point is judged to be positive (+); the area of the positive control wheal is more than 50 percent and less than or equal to the area of the test point and more than 100 percent, and the test point is judged to be positive (++); the area of the positive control wheal is more than 100 percent and less than or equal to the area of the test point and more than 200 percent, and the test point is judged to be positive (+++); the area of the positive control wheal is multiplied by 200% < the area of the test point wheal, then the test point is judged as positive (+++).
Specifically, the test system further comprises a printing module 5, and the control module 3 is configured to automatically fill the test result in a preset test report template and control the printing module 5 to print the test result.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
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| CN202110963392.1A CN113552374A (en) | 2021-08-20 | 2021-08-20 | Allergen test system |
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| CN202110963392.1A CN113552374A (en) | 2021-08-20 | 2021-08-20 | Allergen test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155177A1 (en) * | 2022-02-18 | 2023-08-24 | 曹庆恒 | Sensitivity test management system and method |
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