A breast milk calcium testing device

Abstract

The invention discloses a breast milk calcium testing device, wherein a rubber air bag is installed at one end of a ventilating tube, and a rotating impeller mounting sleeve 1 and a rotating impeller mounting sleeve 2 are arranged on the ventilating tube; a reaction tube is fixed at the bottom end of the rotating impeller mounting sleeve 1, a rotating impeller 1 is arranged in the rotating impeller mounting sleeve 1, a rotating shaft is inserted and fixed on the rotating impeller 1, and the lower end of the rotating shaft extends into the reaction tube; a rotating impeller 2 is arranged in the rotating impeller mounting sleeve 2, and a sample holding box is installed at the top of the rotating impeller mounting sleeve 2; a connecting pipe is connected to the bottom end of the rotating impeller mounting sleeve 2, and the other end of the connecting pipe is connected to the reaction tube; a liquid discharge port is provided at the bottom end of the reaction tube, and a liquid discharge port rubber plug is tightly plugged on the liquid discharge port; a fixing ring is fixed on the outer wall of the reaction tube, and a plurality of supporting legs are fixed on the fixing ring, and the bottom ends of the supporting legs are in contact with the ground. The beneficial effects of the invention are that the steps in the measurement process are simplified and the waiting time of the baby's mother is shortened.

Description

Technical Field

[0001] The present invention relates to the technical field of testing equipment, and more specifically, to a breast milk calcium testing device. Background Art

[0002] Breast milk is the most natural, safest and most complete natural food for infant growth. It contains all the nutrients and antibodies that infants need for growth. Rich in calcium and phosphorus, it can make babies grow taller and stronger. The calcium content in breast milk is very important. If the calcium content in breast milk is too low, the baby will be calcium deficient; if the calcium content in breast milk is too high, the baby will have high calcium; if the calcium content in breast milk is moderate, the baby will be healthy and beautiful. This shows the importance of calcium in breast milk.

[0003] The Chinese patent with the authorization announcement number CN206095953U and the application number CN201621126615.X discloses a test kit for breast milk calcium / urinary calcium. Although this device can test the content of breast milk calcium and is suitable for home use, it requires a specific container to quantitatively measure the breast milk sample to be tested, and the color developer and buffer of this device are bonded to the tube wall, which is obviously a disposable item, and both test tubes are wasted; and there is a risk of operating errors when measured by unprofessionals themselves. Therefore, it is necessary to develop a breast milk calcium test device suitable for testing in small clinics; it can facilitate the measurement of infant mothers without waste, and it is measured by doctors to avoid the risk of operating errors. Summary of the invention

[0004] In view of the above defects, the present invention provides a breast milk calcium testing device.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A breast milk calcium testing device comprises a vent pipe, one end of which is provided with a rubber airbag, a rotating impeller mounting sleeve 1 and a rotating impeller mounting sleeve 2 are provided on the vent pipe, the vent pipe is communicated with the rotating impeller mounting sleeve 1 and the rotating impeller mounting sleeve 2, wherein the rotating impeller mounting sleeve 1 is arranged between the rubber airbag and the rotating impeller mounting sleeve 2; a reaction tube is fixed to the bottom end of the rotating impeller mounting sleeve 1, a rotating impeller 1 is arranged in the rotating impeller mounting sleeve 1, a rotating shaft is inserted and fixed on the rotating impeller 1, and the lower end of the rotating shaft extends into the reaction tube; a rotating impeller 2 is arranged in the rotating impeller mounting sleeve 2, and a sample is provided on the rotating impeller 2 The present invention has two leakage holes, and a fixed shaft is inserted on the second rotating impeller, and the two ends of the fixed shaft are fixed to the second rotating impeller mounting sleeve, wherein a torsion spring is sleeved on the fixed shaft, and the two ends of the torsion spring are respectively fixed to the fixed shaft and the second rotating impeller; a sample holding box is installed on the top of the second rotating impeller mounting sleeve, and the sample holding box is connected with the second rotating impeller mounting sleeve through the first sample leakage hole; the bottom end of the second rotating impeller mounting sleeve is connected with a connecting pipe, and the other end of the connecting pipe is connected with the reaction tube; a titrant fixing disk is fixed on the inner wall of the reaction tube above the connecting port of the connecting pipe and the reaction tube, and the titrant fixing disk is provided with the second titrant leakage hole, and the rotating shaft is inserted in The titrant fixing plate is provided with a titrant turntable at the top of the titrant fixing plate, a titrant leakage hole 1 is provided on the titrant turntable, and the titrant turntable is fixed to the rotating shaft; the reaction tube above the titrant turntable is connected with the titrant inlet pipe, a titrant inlet rubber plug is tightly plugged on the titrant inlet pipe, and the titrant inlet pipe is fixed to the side wall of the reaction tube; a mixed liquid fixing plate is fixed on the inner wall of the reaction tube below the connecting port between the connecting pipe and the reaction tube, a mixed liquid leakage hole 2 is provided on the mixed liquid fixing plate, and the rotating shaft is inserted into the mixed liquid fixing plate; a mixed liquid turntable is provided on the top of the mixed liquid fixing plate, a mixed liquid turntable is provided There is a mixed liquid leakage hole 1, and the mixed liquid turntable is fixed to the rotating shaft; a plurality of stirring rods are fixed on the rotating shaft below the mixed liquid fixed disk; the reaction tube below the mixed liquid fixed disk is connected with the drug inlet pipe, and the drug inlet pipe is tightly plugged with a drug inlet rubber plug, and the drug inlet pipe is fixed on the side wall of the reaction tube; a drainage port is opened at the bottom end of the reaction tube, and the drainage port is tightly plugged with a drainage port rubber plug; a fixing ring is fixed on the outer wall of the reaction tube, and a plurality of supporting legs are fixed on the fixing ring, and the bottom ends of the supporting legs are in contact with the ground; the rotating impeller mounting sleeve 1, the rotating impeller mounting sleeve 2, the connecting pipe and the reaction tube are all made of transparent materials.

[0007] Furthermore, the titrant inlet rubber plug is connected to a rubber connecting frame 1, and the rubber connecting frame 1 is fixed on the titrant inlet pipe.

[0008] Furthermore, the drug inlet rubber plug is connected to a second rubber connecting frame, and the second rubber connecting frame is fixed on the drug inlet pipe.

[0009] Furthermore, the rubber plug of the liquid discharge port is connected to a rubber connecting frame 3, and the rubber connecting frame 3 is fixed on the reaction tube.

[0010] The beneficial effects of the present invention are: simple operation, and the calcium content in the sample can be measured sensitively, accurately and quickly; the cost of testing consumables is reduced, no waste is generated, and the consumables can be reused; and there is no need to use a container to quantitatively measure the breast milk sample. Before the test, the test drug is placed in the device in advance, which simplifies the steps in the measurement process and shortens the waiting time of the baby's mother. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of a breast milk calcium testing device according to the present invention;

[0012] Figure 2 yes Figure 1 A partial enlarged view of the middle A;

[0013] Figure 3 yes Figure 1 A partial enlarged view of point B in the middle;

[0014] Figure 4 It is a partial structural schematic diagram of the present invention;

[0015] Figure 5 yes Figure 4 A partial enlarged view of point C in the middle;

[0016] Figure 6 yes Figure 4 A partial enlarged view of point D in the middle;

[0017] Figure 7 yes Figure 4 A partial enlarged view of point E in the middle;

[0018] Figure 8 yes Figure 4 A partial enlarged view of point F in the middle;

[0019] Fig. 9 1 is a schematic diagram of the structure of the rotating impeller 1 and the rotating impeller 2;

[0020] Fig.10 is a schematic diagram of the starting state;

[0021] Fig.11 It is a schematic diagram after the titrant leakage hole 1 and the titrant leakage hole 2 overlap;

[0022] Fig.12 yes Fig.11 A partial enlarged view of the G in the middle;

[0023] Fig.13 It is a schematic diagram after the mixed liquid leakage hole 1 and the mixed liquid leakage hole 2 overlap;

[0024] Fig.14 yes Fig.13 A partial enlarged view of the H in the middle;

[0025] In the figure, 1, ventilation tube; 2, rubber airbag; 3, rotating impeller 1; 4, rotating impeller mounting sleeve 1; 5, rotating impeller 2; 6, rotating impeller mounting sleeve 2; 7, sample holding box; 8, sample leakage hole 1; 9, sample leakage hole 2; 10, fixed shaft; 11, torsion spring; 12, connecting pipe; 13, reaction tube; 14, rotating shaft; 15, titrant turntable; 16, titrant fixed plate; 17, titrant leakage hole 1; 18, titrant leakage hole 2; 19. titrant inlet tube; 20. titrant inlet rubber plug; 21. rubber connecting frame 1; 22. mixed liquid turntable; 23. mixed liquid fixed disk; 24. mixed liquid leakage hole 1; 25. mixed liquid leakage hole 2; 26. stirring rod; 27. drug inlet tube; 28. drug inlet rubber plug; 29. ​​rubber connecting frame 2; 30. drain port; 31. drain port rubber plug; 32. rubber connecting frame 3; 33. fixing ring; 34. supporting leg. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1-14As shown, a breast milk calcium testing device comprises a venting tube 1, a rubber airbag 2 is installed at one end of the venting tube 1, a rotating impeller mounting sleeve 1 4 and a rotating impeller mounting sleeve 2 6 are arranged on the venting tube 1, the venting tube 1 is connected with the rotating impeller mounting sleeve 1 4 and the rotating impeller mounting sleeve 2 6, wherein the rotating impeller mounting sleeve 1 4 is arranged between the rubber airbag 2 and the rotating impeller mounting sleeve 2 6; a reaction tube 13 is fixed at the bottom end of the rotating impeller mounting sleeve 1 4, a rotating impeller 3 is arranged in the rotating impeller mounting sleeve 1 4, a rotating shaft 14 is inserted and fixed on the rotating impeller 3, the lower end of the rotating shaft 14 extends into the reaction tube 13, and the rotating impeller 3 can drive the rotating shaft 14 to rotate; a rotating impeller is arranged in the rotating impeller mounting sleeve 2 6 25, the rotating impeller 25 is provided with a sample leakage hole 29, and there are two sample leakage holes 29, which are distributed in a straight line; a fixed shaft 10 is inserted into the rotating impeller 25, and the two ends of the fixed shaft 10 are fixed to the rotating impeller mounting sleeve 26, and the rotating impeller 25 can rotate around the fixed shaft 10, wherein the fixed shaft 10 is sleeved with a torsion spring 11, and the two ends of the torsion spring 11 are respectively fixed to the fixed shaft 10 and the rotating impeller 25; a sample holding box 7 is installed at the top of the rotating impeller mounting sleeve 26, and the sample holding box 7 is connected to the rotating impeller mounting sleeve 26 through the sample leakage hole 18; a connecting pipe 12 is connected to the bottom end of the rotating impeller mounting sleeve 26, and the other end of the connecting pipe 12 is connected to the reaction tube 13; the connecting pipe 12 and A titrant fixing disk 16 is fixed on the inner wall of the reaction tube 13 above the communication port of the reaction tube 13, and a second titrant leakage hole 18 is provided on the titrant fixing disk 16. The rotating shaft 14 is inserted into the titrant fixing disk 16, and the rotating shaft 14 can rotate on the titrant fixing disk 16; a titrant turntable 15 is arranged on the top of the titrant fixing disk 16, and a titrant leakage hole 17 is provided on the titrant turntable 15. There are two titrant leakage holes 17, which are distributed in a straight line; the titrant turntable 15 is fixed to the rotating shaft 14; the reaction tube 13 above the titrant turntable 15 is connected to the titrant inlet pipe 19, and the titrant inlet pipe 19 is tightly plugged with a titrant inlet rubber plug 20, and the titrant inlet rubber plug 20 is connected to the rubber plug 19. The rubber connecting frame 21 is connected, and the rubber connecting frame 21 is fixed on the titrant inlet pipe 19, and the titrant inlet pipe 19 is fixed on the side wall of the reaction tube 13; a mixed liquid fixing disk 23 is fixed on the inner wall of the reaction tube 13 below the connecting port between the connecting pipe 12 and the reaction tube 13, and a mixed liquid leakage hole 25 is provided on the mixed liquid fixing disk 23, and the rotating shaft 14 is inserted on the mixed liquid fixing disk 23, and the rotating shaft 14 can rotate on the mixed liquid fixing disk 23; a mixed liquid rotating disk 22 is arranged at the top of the mixed liquid fixing disk 23, and a mixed liquid leakage hole 24 is provided on the mixed liquid rotating disk 22, and the mixed liquid rotating disk 22 is fixed to the rotating shaft 14; a plurality of stirring rods 26 are fixed on the rotating shaft 14 below the mixed liquid fixing disk 23;The reaction tube 13 below the mixed liquid fixing plate 23 is connected to the drug inlet tube 27, which is tightly plugged with a drug inlet rubber plug 28, which is connected to a second rubber connecting frame 29, which is fixed to the drug inlet tube 27, and the drug inlet tube 27 is fixed to the side wall of the reaction tube 13; a drain port 30 is provided at the bottom end of the reaction tube 13, a drain port rubber plug 31 is tightly plugged on the drain port 30, which is connected to a third rubber connecting frame 32, which is fixed to the reaction tube 13; a fixing ring 33 is fixed to the outer wall of the reaction tube 13, and a plurality of supporting legs 34 are fixed to the fixing ring 33, and the bottom ends of the supporting legs 34 are in contact with the ground.;

[0027] In this embodiment, for the convenience of observation, the impeller mounting sleeve 1 4 , the impeller mounting sleeve 2 6 , the connecting pipe 12 and the reaction tube 13 are all made of transparent materials.

[0028] Before using this device, Fig.10The position shown in the figure, at this time, the sample leakage hole 1 8 and the sample leakage hole 2 9 are not connected, the titrant leakage hole 1 17 and the titrant leakage hole 2 18 are not connected, and the mixed liquid leakage hole 1 24 and the mixed liquid leakage hole 2 25 are not connected; when it is necessary to test the calcium content in breast milk, firstly, the titrant is added to the reaction tube 13 above the titrant turntable 15 through the titrant inlet pipe 19, and then the buffer and the color developer are added to the reaction tube 13 below the mixed liquid fixed plate 23 through the drug inlet pipe 27; add After the titrant, buffer and developer are added, the sample holding box 7 is filled with the breast milk sample to be tested. At this time, the rubber airbag 2 is slowly pressed by hand, and the rubber airbag 2 will squeeze the air in the rubber airbag 2, so that the air drives the rotating impeller 3 to rotate, and the rotating impeller 3 will drive the rotating shaft 14 to rotate, and the rotating shaft 14 will drive the titrant turntable 15 and the mixed liquid turntable 22 to rotate; the rotating rotating impeller 3 will also squeeze the air to rotate the rotating impeller 2 5, and the rotation of the rotating impeller 2 5 will cause the torsion spring 11 to be stressed. When the sample leaks, When the liquid hole 1 8 and the sample leakage hole 2 9 overlap and are connected, and when the titrant leakage hole 1 17 and the titrant leakage hole 2 18 overlap and are connected, stop squeezing the rubber airbag 2, and at this time, the rotating impeller 1 3, the rotating impeller 2 5, the titrant turntable 15 and the mixed liquid turntable 22 just rotate 90 degrees, and at this time the mixed liquid leakage hole 1 24 and the mixed liquid leakage hole 2 25 are not connected; at this time, the breast milk sample in the sample holding box 7 and the titrant in the reaction tube 13 above the titrant turntable 15 will enter the mixed liquid turntable 22 The mixture is mixed in the reaction tube 13 above; after 30 seconds, the rubber airbag 2 is continuously squeezed to make the rotating impeller 13 continue to rotate, and the rotating shaft 14 will drive the titrant turntable 15 and the mixed solution turntable 22 to continue to rotate. When the mixed solution leakage hole 1 24 and the mixed solution leakage hole 2 25 overlap and connect, the mixed solution will enter the reaction tube 13 below the mixed solution fixed disk 23 through the mixed solution leakage hole 2 25, and the mixed solution is evenly mixed with the buffer and the color developer, and the buffer and the color developer are completely dissolved by the water in the liquid. After one minute, the color of the solution in the reaction tube 13 is observed; when the calcium ions in the sample are less than the reference value, all the calcium ions in the sample form complex ions with the complexing agent, and the color developer combined with the calcium ions is freed to make the color bright blue; when the calcium ion concentration is greater than the reference value, the calcium ions form a red complex with the color developer, making the solution color red.

[0029] In the present device, after squeezing the rubber airbag 2 and releasing the rubber airbag 2, under the negative pressure in the rubber airbag 2 and the elastic force of the torsion spring 11, the rotating impeller 1 3 and the rotating impeller 2 5 will rotate, so that the outside air enters the rubber airbag 2, so that the rubber airbag 2 returns to its original state; in this process, the rotating impeller 1 3 will drive the stirring rod 26 to rotate through the rotating shaft 14; after the mixed liquid enters the reaction tube 13 below the mixed liquid fixing plate 23 through the mixed liquid leakage hole 25, the rubber airbag 2 can be continuously squeezed and released to make the stirring rod 26 rotate continuously, so that the mixed liquid is evenly mixed with the buffer and the developer.

[0030] The buffer can be any one of ammonia water, potassium hydroxide, and sodium hydroxide; the color developer can be any one of calcein phenolphthalein indicator, acid chromatin blue K-naphthol green B indicator, acid chromatin dark blue indicator, glyoxal double shrink indicator, calcium carboxylic acid indicator, calcein-methylthyme bromophenol blue-phenolphthalein indicator; the titrant can be any one of ethylenediaminetetraacetate and ethylenediaminetetraacetic acid.

[0031] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims

1. A breast milk calcium testing device, characterized in that: The invention comprises a ventilation pipe (1), one end of which is mounted with a rubber airbag (2), the ventilation pipe (1) is provided with a first rotating impeller mounting sleeve (4) and a second rotating impeller mounting sleeve (6), the ventilation pipe (1) is in communication with the first rotating impeller mounting sleeve (4) and the second rotating impeller mounting sleeve (6), wherein the first rotating impeller mounting sleeve (4) is arranged between the rubber airbag (2) and the second rotating impeller mounting sleeve (6); a reaction tube (13) is fixed to the bottom end of the first rotating impeller mounting sleeve (4), a rotating impeller (3) is arranged in the first rotating impeller mounting sleeve (4), a rotating shaft (14) is inserted and fixed on the first rotating impeller (3), and the lower end of the rotating shaft (14) extends into the reaction tube (13); the first rotating impeller mounting sleeve (4) is provided with a rotating impeller (3), and a rotating shaft (14) is inserted and fixed on the first rotating impeller (3), and the lower end of the rotating shaft (14) extends into the reaction tube (13); the first rotating impeller mounting sleeve (4) is provided with a rotating impeller (3), and the rotating impeller (3) is provided with a rotating shaft (14). A second impeller (5) is arranged in the second impeller mounting sleeve (6), and a second sample leakage hole (9) is provided on the second impeller (5). A fixed shaft (10) is inserted into the second impeller (5), and both ends of the fixed shaft (10) are fixed to the second impeller mounting sleeve (6), wherein a torsion spring (11) is sleeved on the fixed shaft (10), and both ends of the torsion spring (11) are respectively fixed to the fixed shaft (10) and the second impeller (5); a sample containing box (7) is installed at the top end of the second impeller mounting sleeve (6), and the sample containing box (7) is connected to the second impeller mounting sleeve (6) through the first sample leakage hole (8); a connecting pipe (12) is connected to the bottom end of the second impeller mounting sleeve (6), and the connecting pipe (12) The other end of the connecting tube (12) is connected to the reaction tube (13); a titrant fixing disk (16) is fixed on the inner wall of the reaction tube (13) above the connecting port between the connecting tube (12) and the reaction tube (13); the titrant fixing disk (16) is provided with a second titrant leakage hole (18); the rotating shaft (14) is inserted into the titrant fixing disk (16); a titrant turntable (15) is provided at the top of the titrant fixing disk (16); the titrant turntable (15) is provided with a first titrant leakage hole (17); the titrant turntable (15) is fixed to the rotating shaft (14); the reaction tube (13) above the titrant turntable (15) is connected to the titrant inlet pipe (19); the titrant inlet pipe (19) is tightly plugged with a titrant inlet pipe (19); A rubber stopper (20) is provided at the mouth of the reaction tube (13); a titrant inlet tube (19) is fixed on the side wall of the reaction tube (13); a mixed liquid fixing disk (23) is fixed on the inner wall of the reaction tube (13) below the connecting port between the connecting tube (12) and the reaction tube (13); a second mixed liquid leakage hole (25) is provided on the mixed liquid fixing disk (23); a rotating shaft (14) is inserted into the mixed liquid fixing disk (23); a mixed liquid rotating disk (22) is provided at the top of the mixed liquid fixing disk (23); a mixed liquid leakage hole (24) is provided on the mixed liquid rotating disk (22); the mixed liquid rotating disk (22) is fixed to the rotating shaft (14); a plurality of stirring rods (26) are fixed on the rotating shaft (14) below the mixed liquid fixing disk (23);The reaction tube (13) below the mixed liquid fixing plate (23) is connected to the drug inlet tube (27), the drug inlet tube (27) is tightly plugged with a drug inlet rubber plug (28), and the drug inlet tube (27) is fixed to the side wall of the reaction tube (13); a liquid discharge port (30) is opened at the bottom end of the reaction tube (13), and a liquid discharge port rubber plug (31) is tightly plugged on the liquid discharge port (30); a fixing ring (33) is fixed to the outer wall of the reaction tube (13), and a plurality of supporting legs (34) are fixed to the fixing ring (33), and the bottom ends of the supporting legs (34) are in contact with the ground; the first rotating impeller mounting sleeve (4), the second rotating impeller mounting sleeve (6), the connecting tube (12) and the reaction tube (13) are all made of transparent material; The titrant inlet rubber plug (20) is connected to a rubber connecting frame 1 (21), and the rubber connecting frame 1 (21) is fixed on the titrant inlet pipe (19); The drug inlet rubber plug (28) is connected to the second rubber connecting frame (29), and the second rubber connecting frame (29) is fixed on the drug inlet pipe (27).

2. A breast milk calcium testing device according to claim 1, characterized in that: The liquid discharge port rubber plug (31) is connected to a rubber connecting frame three (32), and the rubber connecting frame three (32) is fixed on the reaction tube (13).

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