Mycobacterium tuberculosis test judgment and measurement tool and measurement method thereof

Abstract

The invention discloses a tubercle bacillus test judging and measuring tool, which belongs to the technical field of test devices and comprises a measuring ring, a plastic transparent disc is arranged on the inner side of the top of the measuring ring, a center circle is arranged on the top of the plastic transparent disc, and cross scale marks are engraved on the top of the plastic transparent disc. A plurality of concentric circles are arranged on the surface of the top of the plastic transparent disc, a connecting piece and a winding box are arranged on the two sides of the outer portion of the measuring ring respectively, a winding roller is movably connected to the interior of the winding box through a bearing, and bandages are further arranged on the two sides of the outer portion of the measuring ring. The measuring function is achieved through the cross scale marks and the concentric circles on the plastic transparent disc, the measuring ring is stably arranged on the arm of a patient in a sleeving mode through the retractable bandage, and therefore the stability of the measuring ring is guaranteed, the measuring ring can be conveniently carried by the patient for a long time, the measuring result can be conveniently observed at any time, and the measuring convenience is greatly improved.

Description

Technical Field

[0001] The invention belongs to the technical field of test devices, and in particular relates to a tuberculin test judgment and measurement tool. Background Art

[0002] The tuberculin test, also known as the PPD test, is an intradermal test that diagnoses type IV hypersensitivity reactions caused by Mycobacterium tuberculosis infection based on the skin condition at the injection site by intradermal injection of tuberculin. Tuberculin is a bacterial component of Mycobacterium tuberculosis, including purified protein derivative (PPD) and old tuberculin (OT). This test is of reference significance for diagnosing tuberculosis and measuring the body's nonspecific cellular immune function.

[0003] At present, the existing tuberculin test judgment and measurement tools are mostly rulers or tape measures, or discs with concentric circles. Although they can achieve the measurement effect, the reaction phenomenon lasts for 72 hours, and the existing measuring tools are difficult to be continuously worn on the patient's test site, which is not conducive to checking the test results at any time. If an elastic band is directly installed on the concentric disc, it will cause compression to the test site and affect the test results. In addition, the elastic band cannot adjust the tightness according to the thickness of the patient's arm, which is easy to cause discomfort to the patient. For this reason, we propose a tuberculin test judgment and measurement tool. Summary of the invention

[0004] The object of the present invention is to provide a tuberculin test judgment and measurement tool to solve the existing problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a tuberculin test judgment and measurement tool, comprising a measuring ring, a plastic transparent disc and a cross scale line, wherein a plastic transparent disc is fixedly installed on the inner side of the top of the measuring ring by gluing, a center circle is arranged at the center position of the top of the plastic transparent disc, a cross scale line is engraved on the top surface of the plastic transparent disc with the center circle as the origin, a plurality of concentric circles of different sizes are arranged on the top surface of the plastic transparent disc with the center circle as the center, and the radius spacing between two adjacent concentric circles is 2.5 mm, a rubber pad is fixedly arranged on the bottom of the measuring ring by gluing, a connecting piece and a winding box are respectively arranged on both sides of the outside of the measuring ring, a winding roller is movably connected to the inside of the winding box through a bearing, and a binding strap is also arranged on both sides of the outside of the measuring ring, and the two ends of the binding strap are respectively fixedly connected to the connecting piece and the winding roller.

[0006] Preferably, a driving gear is provided on the outer periphery of one end of the winding roller, and the driving gear is sleeved on one end of the winding roller and fixedly connected thereto, and a transmission gear is connected to one side of the inner top end of the winding box via a connecting shaft, and the transmission gear is meshedly connected to the driving gear, and a spring tube is fixedly connected to the other end of the connecting shaft, and the outer periphery of the spring tube is movably connected to the winding box via a bearing, and one end of the spring tube away from the connecting shaft extends to the outside of the winding box and is limitedly slidably connected to a telescopic column, and a knob is provided at the end of the telescopic column.

[0007] Preferably, a positioning column is provided on one side of the knob, and a positioning hole is opened on one side of the outer ring of the bearing on the outer periphery of the spring tube, and the positioning holes are arranged around the spring tube.

[0008] Preferably, a contraction groove is provided inside the spring tube, and the telescopic column extends into the interior of the contraction groove and is limitedly slidably connected with the inner wall thereof.

[0009] Preferably, the inner walls on both sides of the contraction groove are provided with limiting grooves, and limiting blocks are arranged on both sides of one end of the telescopic column. The limiting blocks extend into the limiting groove and are slidably connected to the inner wall thereof.

[0010] Preferably, ventilation holes are provided around the outside of the measuring ring, and the ventilation holes pass through the measuring ring and communicate with the inside of the measuring ring.

[0011] Preferably, a return spring is arranged inside the contraction groove, and two ends of the return spring are respectively fixedly connected to an inner wall of one end of the contraction groove and one end of the telescopic column.

[0012] Preferably, baffles are provided at both ends of the winding roller, and the baffles are sleeved on the two ends of the winding roller and fixedly connected thereto.

[0013] A method for measuring a tuberculin test judgment measurement tool comprises the following steps:

[0014] S1. Inject 5 units of PPD intradermally into the patient and place a bandage on the patient's arm.

[0015] S2. Cover the measuring ring cover on the skin test point at the injection site of the patient's arm, and align the center circle on the plastic transparent disk with the skin test point;

[0016] S3. Pull the knob outward to disengage the positioning column from the positioning hole, and then rotate the knob to drive the winding roller to rotate, so as to wind up the strap and fix the measuring ring on the patient's arm;

[0017] S4. Observe the size of the concentric circles corresponding to the red nodules on the patient's handle skin test points, and use the bidirectional diameter values ​​on the cross scale lines to sum the double diameters of the skin nodules / 2 to determine the diameter of the skin nodules and determine the test results.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The traditional ruler, tape measure or disc with concentric circles is designed into a measuring ring structure, so that it can stabilize the cover and the test part of the patient's arm. The cross scale lines and concentric circles on the plastic transparent disc are used to realize the measurement function, and the measuring ring is stably put on the patient's arm through a retractable strap to ensure the stability of the measuring ring, so that the patient can carry it for a long time and observe the measurement results at any time, which greatly improves the convenience of measurement.

[0020] 2. A winding box is arranged on one side of the measuring ring, and the winding roller is driven by a driving gear, a transmission gear, a connecting shaft, a spring tube, a telescopic column and a knob, so that the strap can be retracted and released, and the function of adjusting the strap extension and contraction is achieved, so that it can be adjusted according to the thickness of the patient's arm to improve its applicability. In addition, a reset spring, a positioning column and a positioning hole are used to achieve the positioning function, ensure the stability of the strap after adjustment, and thus achieve the purpose of fixing the measuring ring.

[0021] 3. A rubber pad is provided at the bottom of the measuring ring to improve the comfort of carrying the measuring ring, to avoid the bottom of the measuring ring directly pressing the patient's arm and causing discomfort. Ventilation holes are provided on the periphery of the measuring ring to ensure the breathability of the patient's test site, to avoid adverse reactions in patients due to sealing of the test site. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a multi-angle structural schematic diagram of the present invention;

[0024] Figure 3 This is a schematic diagram of the structure of the plastic transparent disc of the present invention;

[0025] Figure 4 It is a schematic diagram of the winding box structure of the present invention;

[0026] Figure 5 It is a schematic diagram of the cross-sectional structure of the spring tube of the present invention.

[0027] In the figure: 1. Measuring ring; 2. Rubber pad; 3. Air vent; 4. Plastic transparent disc; 5. Center circle; 6. Cross scale line; 7. Concentric circles; 8. Binding strap; 9. Connector; 10. Winding box; 11. Winding roller; 12. Driving gear; 13. Transmission gear; 14. Spring cylinder; 15. Connecting shaft; 16. Contraction groove; 17. Reset spring; 18. Limiting groove; 19. Telescopic column; 20. Limiting block; 21. Knob; 22. Positioning column; 23. Positioning hole; 24. Baffle. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-5 The present invention provides a technical solution of a tuberculin test judgment measuring tool: comprising a measuring ring 1, a plastic transparent disc 4 and a cross scale line 6, the plastic transparent disc 4 is fixedly installed on the inner side of the top of the measuring ring 1 by gluing, a center circle 5 is arranged at the center position of the top of the plastic transparent disc 4, a cross scale line 6 is engraved on the top surface of the plastic transparent disc 4 with the center circle 5 as the origin, a plurality of concentric circles 7 of different sizes are arranged on the top surface of the plastic transparent disc 4 with the center circle 5 as the center, and the radius spacing between two adjacent concentric circles 7 is 2.5 mm, a rubber pad 2 is fixedly arranged on the bottom of the measuring ring 1 by gluing, a connecting piece 9 and a winding box 10 are respectively arranged on both sides of the outside of the measuring ring 1, a winding roller 11 is movably connected to the inside of the winding box 10 through a bearing, and a binding band 8 is also arranged on both sides of the outside of the measuring ring 1, and the two ends of the binding band 8 are respectively fixedly connected to the connecting piece 9 and the winding roller 11.

[0030] Specifically, a driving gear 12 is provided on the outer periphery of one end of the winding roller 11, and the driving gear 12 is sleeved on one end of the winding roller 11 and fixedly connected thereto. A transmission gear 13 is connected to one side of the inner top end of the winding box 10 through a connecting shaft 15, and the transmission gear 13 is meshed and connected with the driving gear 12. A spring tube 14 is fixedly connected to the other end of the connecting shaft 15, and the outer periphery of the spring tube 14 is movably connected to the winding box 10 through a bearing. One end of the spring tube 14 away from the connecting shaft 15 extends to the outside of the winding box 10 and is limitedly slidably connected to a telescopic column 19, and a knob 21 is provided at the end of the telescopic column 19.

[0031] Specifically, a positioning column 22 is provided on one side of the knob 21 , and a positioning hole 23 is opened on one side of the outer ring of the bearing on the outer periphery of the spring tube 14 . The positioning holes 23 are arranged around the spring tube 14 .

[0032] Specifically, a contraction groove 16 is formed inside the spring tube 14 , and the telescopic column 19 extends into the contraction groove 16 and is slidably connected with the inner wall thereof in a limited position.

[0033] Specifically, the inner walls on both sides of the contraction groove 16 are provided with limiting grooves 18 , and limiting blocks 20 are arranged on both sides of one end of the telescopic column 19 . The limiting blocks 20 extend into the limiting groove 18 and are slidably connected to the inner wall thereof.

[0034] Specifically, air holes 3 are provided around the outside of the measuring ring 1 , and the air holes 3 pass through the measuring ring 1 and communicate with the inside thereof.

[0035] Specifically, a return spring 17 is disposed inside the contraction groove 16 , and two ends of the return spring 17 are fixedly connected to an inner wall of one end of the contraction groove 16 and one end of the telescopic column 19 , respectively.

[0036] Specifically, baffles 24 are provided at both ends of the winding roller 11 , and the baffles 24 are sleeved on both ends of the winding roller 11 and fixedly connected thereto.

[0037] A method for measuring a tuberculin test judgment measurement tool comprises the following steps:

[0038] S1. Inject 5 units of ppd intradermally into the patient and put bandage 8 on the patient's arm;

[0039] S2, cover the measuring ring 1 on the skin test point at the injection site of the patient's arm, and align the center circle 5 on the plastic transparent disk 4 with the skin test point;

[0040] S3, by pulling the knob 21 outward, the positioning column 22 is separated from the positioning hole 23, and then the knob 21 is rotated to drive the winding roller 11 to rotate, and the bandage 8 is wound up, and the bandage 8 fixes the measuring ring 1 on the patient's arm;

[0041] S4. Observe the size of the concentric circle 7 corresponding to the red nodule on the patient's handle skin test point, match it with the bidirectional diameter value on the cross scale line 6, and use the sum of the double diameters of the skin nodule / 2 to determine the diameter of the skin nodule, and judge the test result.

[0042] In the present embodiment, when in use, the bandage 8 is put on the patient's arm, and then the measuring ring 1 cover is aligned with the skin test point at the injection position of the patient's arm, and the center circle 5 on the plastic transparent disk 4 is aligned with the skin test point, and then the knob 21 is pulled outward to make the positioning column 22 disengage from the limit of the positioning hole 23, and then the knob 21 is rotated, and the knob 21 is used to drive the telescopic column 19 to rotate. Since the telescopic column 19 is limitedly slidably connected with the inner wall of the contraction groove 16 in the spring tube 14 through the limiting groove 18 and the limiting block 20, when the telescopic column 19 rotates, it will drive the spring tube 14 to rotate synchronously, thereby driving the connecting shaft 15 to rotate, and the transmission gear 13 is driven by the meshing connection between the transmission gear 13 and the driving gear 12, The drive gear 12 is driven to rotate, thereby realizing the drive of the winding roller 11, so that the bandage 8 is wound, and the measuring ring 1 is fixed to the patient's arm to keep it stable, and then the cross scale on the plastic transparent disk 4 is used. Line 6 and concentric circle 7, measure the red nodule at the test point within the specified time, and the red nodule at the test point is negative if its diameter is less than 5mm; weak positive if its diameter is greater than or equal to 5mm and less than or equal to 10mm; moderate positive if its diameter is greater than or equal to 10mm and less than or equal to 15mm; strong positive if its diameter is greater than or equal to 15mm and accompanied by local blisters, observe the size of the concentric circle 7 corresponding to the red nodule at the test point of the patient's handle, cooperate with the bidirectional diameter value on the cross scale line 6, and judge the diameter of the skin hillock by summing the double diameters of the skin hillock / 2, so as to judge the test result. Such a design can not only facilitate medical staff to measure and observe the test results at any time, but also ensure the accuracy of measurement. During the measurement, the air permeability inside the measuring ring 1 is ensured by opening the air vents 3 on the periphery of the measuring ring 1, and the comfort of the measuring ring 1 cover on the arm is improved by the rubber pad 2 to avoid causing adverse reactions in patients.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tuberculin test determination and measurement tool, comprising a measuring ring (1), a plastic transparent disc (4) and a cross scale line (6), characterized in that: A plastic transparent disc (4) is fixedly mounted on the inner side of the top of the measuring ring (1) by gluing, a center circle (5) is arranged at the center position of the top of the plastic transparent disc (4), a cross scale line (6) is engraved on the top surface of the plastic transparent disc (4) with the center circle (5) as the origin, a plurality of concentric circles (7) of different sizes are arranged on the top surface of the plastic transparent disc (4) with the center circle (5) as the center, and the radius spacing between two adjacent concentric circles (7) is 2.5 mm, a rubber pad (2) is fixedly mounted on the bottom of the measuring ring (1) by gluing, a connecting piece (9) and a winding box (10) are respectively arranged on both sides of the outside of the measuring ring (1), a winding roller (11) is movably connected to the inside of the winding box (10) through a bearing, and a binding band (8) is also arranged on both sides of the outside of the measuring ring (1), and the two ends of the binding band (8) are respectively fixedly connected to the connecting piece (9) and the winding roller (11).

2. A tuberculin test judgment and measurement tool according to claim 1, characterized in that: A driving gear (12) is arranged on the outer periphery of one end of the winding roller (11), and the driving gear (12) is sleeved on one end of the winding roller (11) and fixedly connected thereto; a transmission gear (13) is connected to one side of the inner top end of the winding box (10) via a connecting shaft (15), and the transmission gear (13) is meshingly connected to the driving gear (12); a spring cylinder (14) is fixedly connected to the other end of the connecting shaft (15), and the outer periphery of the spring cylinder (14) is movably connected to the winding box (10) via a bearing; an end of the spring cylinder (14) away from the connecting shaft (15) extends to the outside of the winding box (10) and is limitedly slidably connected to a telescopic column (19), and a knob (21) is arranged at the end of the telescopic column (19).

3. A tuberculin test judgment and measurement tool according to claim 2, characterized in that: A positioning column (22) is provided on one side of the knob (21), and a positioning hole (23) is provided on one side of the outer ring of the bearing on the outer periphery of the spring tube (14), and the positioning hole (23) is arranged around the spring tube (14).

4. A tuberculin test judgment and measurement tool according to claim 2, characterized in that: The spring tube (14) is provided with a contraction groove (16) inside, and the telescopic column (19) extends into the interior of the contraction groove (16) and is limitedly slidably connected to the inner wall thereof.

5. A tuberculin test judgment and measurement tool according to claim 4, characterized in that: The inner walls on both sides of the contraction groove (16) are provided with limiting grooves (18), and limiting blocks (20) are arranged on both sides of one end of the telescopic column (19). The limiting blocks (20) extend into the interior of the limiting groove (18) and are slidably connected to the inner wall thereof.

6. A tuberculin test judgment and measurement tool according to claim 1, characterized in that: The outside of the measuring ring (1) is provided with air holes (3) around it, and the air holes (3) pass through the measuring ring (1) and communicate with the inside of the measuring ring (1).

7. A tuberculin test judgment and measurement tool according to claim 4, characterized in that: A return spring (17) is arranged inside the contraction groove (16), and two ends of the return spring (17) are respectively fixedly connected to an inner wall at one end of the contraction groove (16) and one end of the telescopic column (19).

8. A tuberculin test judgment and measurement tool according to claim 1, characterized in that: Baffles (24) are provided at both ends of the winding roller (11), and the baffles (24) are sleeved on the two ends of the winding roller (11) and fixedly connected thereto.

9. A method for measuring a tuberculin test judgment measuring tool, characterized in that: The steps include: S1. Inject 5 units of PPD into the patient's skin and put the bandage (8) on the patient's arm; S2. Cover the measuring ring (1) on the skin test point at the injection site of the patient's arm, and align the center circle (5) on the plastic transparent disk (4) with the skin test point; S3, by pulling the knob (21) outwards, the positioning column (22) is disengaged from the positioning hole (23), and then the knob (21) is rotated to drive the winding roller (11) to rotate, so as to wind up the strap (8), and the strap (8) fixes the measuring ring (1) on the patient's arm; S4. Observe the size of the concentric circle (7) corresponding to the red nodule on the patient's handle skin test point, match it with the bidirectional diameter value on the cross scale line (6), and use the sum of the double diameters of the skin nodule / 2 to determine the diameter of the skin nodule, and judge the test result.

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