CN207351710U - A kind of feces collection and processing unit - Google Patents

Abstract

The utility model discloses a feces collection and processing device, which comprises a sampling bottle, a sampling rod and a bottle cap; the sampling bottle is provided with a baffle which divides its inner space into a sampling space and an isolation space, and the sampling space is filled with diluent ; One end of the sampling rod is soaked in the diluent after passing through the baffle from the isolation space, and the end is provided with several toilet storage tanks; the baffle is an annular baffle vertically arranged on the inner wall of the sampling bottle, and the sampling rod is provided with a first annular protrusion, second annular raised ring, primary seal ring and secondary seal ring. The device can complete the whole process from diluent, feces collection, and sample processing; the annular baffle separates the excess feces sticking to the surface of the sampling rod, so that the amount of feces collected by the sampling rod is relatively close each time, improving the accuracy of the test results; The second annular protrusion forms a double seal with the annular baffle and the sealing ring, which can ensure that the liquid cannot flow out when the centrifugal force acts.

Description

A device for collecting and treating feces

technical field

The utility model relates to the field of feces collection and processing, in particular to a feces collection and processing device.

Background technique

In the POCT industry, when feces are tested, it is usually necessary to dilute the feces, mix them well, remove the fecal residues, and take samples before testing.

Fecal samplers currently on the market mostly use sampling spoons or screw tooth structures. The use of sampling spoons cannot quantify the actual sampling volume, which affects the test structure. The screw tooth structure is affected by the density of feces. When encountering thin feces , cannot be sucked, and sampling is difficult, and these two existing products can only complete the collection function of feces, and cannot meet the detection needs of the POCT industry.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the above-mentioned prior art and provide a stool sampling device.

The utility model is achieved through the following technical solutions: a device for collecting and processing feces, which includes a sampling bottle, a sampling rod and a bottle cap, the sampling rod is inserted into the first end of the sampling bottle and the sampling rod is screwed on On this end of the sampling bottle, the second end of the sampling bottle is tightly screwed by the bottle cap; the inside of the sampling bottle is provided with a baffle that divides its internal space into a sampling space and an isolation space, and the sampling space is filled with diluent The isolation space is located at the first end of the sampling bottle, the sampling space is located at the second end of the sampling bottle, and one end of the sampling rod is soaked in the diluent of the sampling space after passing through the telescopic baffle from the isolation space, and is located at the sampling The end of the sampling rod in the space is provided with several stool storage tanks, and several stool storage tanks are distributed along the length direction of the sampling rod; the baffle is an annular baffle that is vertically arranged on the inner wall of the sampling bottle, and the center of the ring baffle is There is a through hole for the sampling rod to pass through, and the sampling rod is provided with a first annular protrusion that interferes with the annular baffle when the sampling rod is inserted into the sampling bottle; the sampling rod sleeve is provided with a first-stage A sealing ring, the primary sealing ring is clamped between the first annular protrusion and the annular baffle; the sampling rod is provided with a second annular protrusion, and the second annular protrusion is provided with a ring around the sampling rod A clamping groove on the outer periphery, and a secondary sealing ring is set inside the clamping groove; a third annular protrusion and a fourth annular protrusion are arranged on the inner wall of the sampling bottle located in the isolation space close to the annular baffle, and the third annular protrusion The annular protrusion is arranged around the inner wall of the sampling bottle and protrudes toward the central axis direction of the sampling bottle, and the fourth annular protrusion is arranged around the inner wall of the sampling bottle and protrudes toward the central axis direction of the sampling bottle; the top of the third annular protrusion is the first The inclined surface structure, the first inclined surface is gradually inclined upward from the inner diameter of the third annular protrusion top and connected to the fourth annular protrusion; the top of the fourth annular protrusion is a second inclined surface structure, and the second inclined The surface is gradually inclined upward from the inner diameter of the top of the fourth annular protrusion and connected to the inner wall of the sampling rod; the inner diameter formed by the third annular protrusion is smaller than the aperture of the isolation space, and the fourth annular protrusion The formed inner diameter is smaller than the aperture of the isolation space; after the sampling rod is fixed, the primary sealing ring and the first annular protrusion are aligned with the third annular protrusion, and the lower part of the second annular protrusion is aligned with the second annular protrusion. The stage sealing ring is aligned with the fourth annular protrusion.

The annular baffle can separate the excess feces on the surface of the sampling rod, and only keep the feces in the feces storage tank, so that the amount of feces collected by the sampling rod is relatively close each time, which solves the quantitative problem of sampling feces; along the length of the sampling rod Several feces storage tanks are distributed to collect feces at different heights, and the collection is more accurate; the first annular protrusion can make the sampling rod clamped at the annular baffle to prevent the sampling rod from falling into the sampling space uncontrollably. It can also prevent the feces in the sampling space from returning to the isolation space. The primary sealing ring is clamped by the first annular protrusion and the annular baffle, which can seal the mixture of feces and diluent and prevent it from entering the isolation space. The second annular protrusion and the secondary sealing ring can seal excess feces filtered out. The structure of the first inclined surface facilitates the extrusion of the primary sealing ring into the aperture formed by the third annular protrusion, and makes the primary sealing ring squeeze tightly; the structure of the second inclined surface facilitates the extrusion of the secondary sealing ring into the fourth annular The hole diameter formed by the protrusion, and makes the secondary sealing ring squeeze tightly.

The diameter of the primary sealing ring is larger than the inner diameter formed by the third annular protrusion, and the diameter of the secondary sealing ring is larger than the inner diameter formed by the fourth annular protrusion. After the sampling rod is tightened, the first lower side of the primary sealing ring is tightly attached to the annular baffle to form the first heavy seal, and the outer side of the primary sealing ring is tightly attached to the first inner surface of the third annular protrusion. The second seal is formed, and these two seals can ensure that the device can keep the liquid from flowing out under the action of centrifugal force; the second lower side of the secondary seal ring is tightly attached to the second annular protrusion under the clamping groove. The upper side forms the third seal, and the outer side of the secondary seal ring is tightly attached to the second inner surface of the fourth annular protrusion to form the fourth seal. These two seals can ensure that the device is still under centrifugal force. Can seal the excess feces that filter out.

A space is reserved between the first annular protrusion and the second annular protrusion to form a storage area. The storage area is used to store excess manure scraped off by the annular baffle.

The mouth of the first end of the sampling bottle is provided with a first internal thread, and the sampling rod is provided with a first external thread matching the first internal thread.

The outer circumference of the mouth of the second end of the sampling bottle is provided with a second external thread, and the bottle cap is provided with a second internal thread matching the second external thread.

The end of the sampling rod is provided with a groove. The setting of the groove is convenient for rotating the sampling rod.

The sampling rod adopts a sampling rod with a size of ￠13×100 mm; the end of the sampling rod is a semicircular structure, which is consistent with the size of a standard vacuum blood collection tube. The size setting of the sampling stick is compatible with the conventional centrifuge in the hospital. After the sample is mixed well, it is directly placed on the centrifuge for centrifugation, which improves the efficiency of stool sample processing.

The utility model has the advantages that: the device can complete the whole process of diluent, feces collection, and sample processing, and the operation is convenient and safe; the annular baffle separates the excess feces sticking to the surface of the sampling rod, so that the sample collected by the sampling rod every time The amount of feces is relatively close, which solves the problem of quantitative feces and improves the accuracy of the test results; the three annular protrusions, the annular baffle and the two-stage sealing ring are set together to form multiple seals, which can ensure that the liquid can be kept under the action of centrifugal force Do not flow out, avoiding biological hazards caused by leakage.

Description of drawings

Fig. 1 is the front view of the utility model embodiment;

Fig. 2 is the schematic diagram of structural decomposition of the utility model embodiment;

Fig. 3 is a longitudinal sectional view of Fig. 1;

Fig. 4 is a partial enlarged view of the periphery of the annular baffle in Fig. 3;

Fig. 5 is a reference diagram of the use state of the embodiment of the utility model.

Meanings of reference signs in the figure: 1. Bottle cap; 2. Sampling bottle; 3. Sampling rod; 4. Primary sealing ring; 5. Secondary sealing ring; 6. Diluent; 7. First lower side; 8. 9. Second lower side; 10. Second inner side; 11. Storage area; 12. Sampling space; 13. Isolation space; 14. Annular baffle; Annular protrusion; 17, second annular protrusion; 18, third annular protrusion; 19, fourth annular protrusion; 20, first external thread; 21, second external thread; 22, groove.

Detailed ways

The content of the present utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Example

Referring to Fig. 1 to Fig. 5, it is a kind of feces collection and processing device, and it comprises sampling bottle 2, sampling rod 3 and bottle cap 1, and sampling rod 3 is inserted by the first end of sampling bottle 2 and sampling rod 3 is screwed on On this end of the sampling bottle 2, the bottle cap 1 is screwed tightly to the second end of the sampling bottle 2; the sampling bottle 2 is provided with a baffle that divides its internal space into a sampling space 12 and an isolation space 13, and the sampling space 12 is equipped with a dilution liquid 6; the isolation space 13 is positioned at the first end of the sampling bottle 2, the sampling space 12 is positioned at the second end of the sampling bottle 2, and one end of the sampling rod 3 is soaked in the diluted solution in the sampling space 12 after passing through the retractable baffle from the isolation space 13. In the liquid 6, the end of the sampling rod 3 located in the sampling space 12 is provided with several stool storage tanks 15, and the several stool storage tanks 15 are distributed along the length direction of the sampling rod 3; Annular baffle 14, the center of the annular baffle 14 is provided with a through hole for the sampling rod 3 to pass through, and the sampling rod 3 is provided with a first annular protrusion that interferes with the annular baffle 14 when the sampling rod 3 extends into the sampling bottle 2 16.

The annular baffle 14 can separate the redundant feces on the surface of the sampling rod 3, and only keep the feces in the feces storage tank 15, so that the amount of feces collected by the sampling rod 3 is relatively close to each other, which solves the quantitative problem of sampling feces well; The several feces storage tanks 15 distributed in the longitudinal direction of the sampling rod 3 can collect feces at different heights and collect more accurately; Uncontrolled falling into the sampling space 12 can also prevent the feces in the sampling space 12 from returning to the isolation space 13 .

The sampling rod 3 is provided with a primary sealing ring 4 , and the primary sealing ring 4 is clamped between the first annular protrusion 16 and the annular baffle 14 . The primary sealing ring 4 is clamped by the first annular protrusion 16 and the annular baffle 14 , which can seal the mixture of feces and diluent 6 and prevent it from entering the isolation space 13 .

The sampling rod 3 is provided with a second annular protrusion 17, and the second annular protrusion 17 is provided with a clamping groove around the outer periphery of the sampling rod 3, and the secondary sealing ring 5 is sleeved in the clamping groove. The second annular protrusion 17 and the secondary sealing ring 5 can seal the filtered superfluous feces.

A third annular protrusion 18 and a fourth annular protrusion 19 are arranged on the inner wall of the sampling bottle 2 near the annular baffle 14 in the isolation space 13, and the third annular protrusion 18 is arranged around the inner wall of the sampling bottle 2 and faces the side of the sampling bottle 2. The central axis direction protrudes, and the fourth annular protrusion 19 is arranged around the inner wall of the sampling bottle 2 and protrudes toward the central axis direction of the sampling bottle 2; the top of the third annular protrusion 18 is a first inclined surface structure, and the first inclined surface is formed by the third The inner diameter of the top of the annular protrusion 18 is gradually inclined upwards and connected to the fourth annular protrusion 19; the top of the fourth annular protrusion 19 is a second inclined surface structure, and the second inclined surface is formed by the fourth annular protrusion 19 top. The inner diameter is gradually inclined upwards and connected to the inner wall of the sampling rod 3; the inner diameter formed by the third annular protrusion 18 is smaller than the aperture of the isolation space 13, and the inner diameter formed by the fourth annular protrusion 19 is smaller than the aperture of the isolation space 13; the sampling rod 3 After being fixed, the primary sealing ring 4 is aligned with the first annular protrusion 16 to the third annular protrusion 18, and the lower part of the second annular protrusion 17 is aligned with the secondary sealing ring 5 to the fourth annular protrusion 19. The structure of the first inclined surface facilitates the extrusion of the primary sealing ring 4 into the aperture formed by the third annular protrusion 18, and makes the extrusion of the primary sealing ring 4 tight; the structure of the second inclined surface facilitates the extrusion of the secondary sealing ring 5 into the aperture formed by the fourth annular protrusion 19, and make the secondary sealing ring 5 squeeze tightly.

The diameter of the primary sealing ring 4 is greater than the inner diameter formed by the third annular protrusion 18 , and the diameter of the secondary sealing ring 5 is greater than the inner diameter formed by the fourth annular protrusion 19 . After the sampling rod 3 is tightened, the first lower side 7 of the primary sealing ring 4 is tightly attached to the annular baffle 14 to form the first heavy seal, and the outer side of the primary sealing ring 4 is tightly attached to the third annular protrusion 18 The first inner surface 8 of the secondary sealing ring 5 forms a second double seal, which can ensure that the device can keep the liquid from flowing out when the centrifugal force acts; the second lower side 9 of the secondary sealing ring 5 is tightly clamped The upper side of the second annular protrusion 17 below the groove forms the third seal, and the outer side of the secondary sealing ring 5 is tightly attached to the second inner side 10 of the fourth annular protrusion 19 to form the fourth seal. Double seals can ensure that the device can also seal the excess feces filtered out under the action of centrifugal force. In this embodiment, referring to FIG. 4 , as shown in the figure, the diameter of the primary sealing ring 4 is larger than the inner diameter formed by the third annular protrusion 18. This is only a problem of drawing, and the effect of squeezing into the inner diameter cannot be shown. But this does not affect the application of this embodiment, the secondary sealing ring 5 also has the same problem.

A space is reserved between the first annular protrusion 16 and the second annular protrusion 17 to form the storage area 11 . The storage area 11 is used to store excess feces scraped off by the annular baffle 14 .

The mouth of the first end of the sampling bottle 2 is provided with a first internal thread, and the sampling rod 3 is provided with a first external thread 20 matching the first internal thread.

The outer circumference of the mouth of the second end of the sampling bottle 2 is provided with a second external thread 21 , and the bottle cap 1 is provided with a second internal thread matching the second external thread 21 .

The end of the sampling rod 3 is provided with a groove 22 . The setting of the groove 22 facilitates the rotation of the sampling rod 3 .

The sampling rod 3 adopts a sampling rod 3 with a size of ￠13×100 mm; the end of the sampling rod 3 is a semicircular structure, which is consistent with the size of a standard vacuum blood collection tube. The size setting of the sampling stick 3 is compatible with the conventional centrifuge in the hospital. After the sample is mixed well, it is directly placed on the centrifuge for centrifugation, which improves the processing efficiency of the stool sample.

In this embodiment, since the device is directly placed on the centrifuge for centrifugation, due to the centrifugal force, the sealing performance of the feces collection device is highly required. Between the sampling bottle 2 and the sampling rod 3, and between the sampling bottle 2 and the bottle cap 1 are respectively sealed. The hardness and material of the sealing ring must be selected reasonably to ensure that the deformation of the sealing ring meets the requirements during assembly. When the sampling rod 3 and the sampling bottle 2 are tightened, a pressure is applied to the primary sealing ring 4 and the secondary sealing ring 5 respectively. The inner side of the protrusion 18 fits together to form a double seal with these two sides; the lower side of the secondary sealing ring 5 is tightly attached to the upper side of the second annular protrusion 17 below the clamping groove, and the secondary sealing The outer side of the ring 5 is tightly attached to the inner side of the fourth annular protrusion 19 to form a double seal of these two sides. Multiple seals can ensure that the device can keep the liquid from flowing out under the action of centrifugal force.

When the device is provided to the user, the bottle cap 1, the sampling bottle 2, the sampling rod 3, the primary sealing ring 4, the secondary sealing ring 5, and the diluent 6 are assembled. During the user's use, the sampling stick 3 needs to be unscrewed from the sampling bottle 2 to collect the feces to be tested; the sampling stick 3 for collecting the feces passes through the annular baffle 14, and the excess feces is filtered out and enters the storage area 11; Tighten the rod 3 and the sampling bottle 2, place the device on a vibrating table for mixing, and then place the device in a centrifuge for high-speed centrifugation to separate the fecal dilution 6 from the feces residue; then remove the bottle cap 1 from the sampling bottle 2 Unscrew it, and finally use a pipette gun to take a specific amount of processed feces and add it to the reagent card for testing.

The entire process from dilution 6, feces sampling, and sample processing are all completed in this device, while other feces collection devices need to transfer the liquid to a centrifuge tube and then centrifuge after collecting feces; compared with this device, it is convenient and safe to operate. The advantages are obvious.

The above detailed description is a specific description of the feasible embodiment of the utility model. This embodiment is not used to limit the patent scope of the utility model. Any equivalent implementation or change that does not deviate from the utility model shall be included in this case within the scope of the patent.

Claims (7)

1. a kind of ight soil collecting and processing device, it is characterized in that: it comprises sampling bottle (2), sampling stick (3) and bottle cap (1), and described sampling stick (3) is made of the first of sampling bottle (2). end is inserted and the sampling stick (3) is screwed on this end of the sampling bottle (2), and the second end of the bottle cap (1) is screwed on the sampling bottle (2); There is a baffle that divides its internal space into a sampling space (12) and an isolation space (13), the sampling space (12) is equipped with a diluent (6); the isolation space (13) is located in the second sampling bottle (2) At one end, the sampling space (12) is positioned at the second end of the sampling bottle (2), and one end of the sampling rod (3) is soaked in the sampling space (12) after passing through the retractable baffle from the isolation space (13). In the diluted solution (6), the end of the sampling rod (3) located in the sampling space (12) is provided with several stool storage tanks (15), and several stool storage tanks (15) are arranged along the length direction of the sampling rod (3). distribution; the baffle is an annular baffle (14) that is vertically arranged on the inner wall of the sampling bottle (2), and the center of the annular baffle (14) is provided with a through hole for the sampling rod (3) to pass through, The sampling stick (3) is provided with a first annular protrusion (16) that interferes with the annular baffle (14) when the sampling stick (3) is stretched into the sampling bottle (2); the sampling stick (3) ) is sleeved with a primary sealing ring (4), and the primary sealing ring (4) is clamped between the first annular protrusion (16) and the annular baffle (14); the sampling rod ( 3) A second annular protrusion (17) is provided, and the second annular protrusion (17) is provided with a clamping groove around the outer circumference of the sampling rod (3), and a secondary sealing ring (5) is sleeved in the clamping groove be positioned at described separation space (13) and be provided with the 3rd annular protrusion (18) and the 4th annular protrusion (19) on the sampling bottle (2) inner wall near annular baffle plate (14), the 3rd annular protrusion (18) is arranged around the inner wall of the sampling bottle (2) and protrudes toward the central axis of the sampling bottle (2), and the fourth annular protrusion (19) is arranged around the inner wall of the sampling bottle (2) and toward the central axis of the sampling bottle (2) The direction protrudes; the top of the third annular protrusion (18) is a first inclined surface structure, and the first inclined surface is gradually inclined upward from the inner diameter of the top of the third annular protrusion (18) and connected to the fourth annular protrusion (19); the top of the fourth annular protrusion (19) is a second inclined surface structure, and the second inclined surface is gradually inclined upwards by the inner diameter of the fourth annular protrusion (19) top and connected to the sampling On the inner wall of the rod (3); the inner diameter formed by the third annular protrusion (18) is smaller than the aperture of the isolation space (13), and the inner diameter formed by the fourth annular protrusion (19) is smaller than the isolation space (13). The aperture of the space (13); after the sampling rod (3) is fixed, the primary sealing ring (4) and the first annular protrusion (16) are aligned with the third annular protrusion (18), and the second The lower part of the annular protrusion (17) is aligned with the fourth annular protrusion (19) with the secondary sealing ring (5). 2. The feces collection and processing device according to claim 1, characterized in that: the diameter of the primary sealing ring (4) is greater than the inner diameter formed by the third annular protrusion (18), and the secondary The diameter of the sealing ring (5) is larger than the inner diameter formed by the fourth annular protrusion (19). 3. The feces collection and processing device according to claim 1, characterized in that: a space is reserved between the first annular protrusion (16) and the second annular protrusion (17) to form a storage area (11 ). 4. feces collection and processing device according to claim 1, is characterized in that: the first end bottle mouth of described sampling bottle (2) is provided with the first internal thread, and described sampling stick (3) is provided with and all The first external thread (20) matching the first internal thread. 5. feces collection and processing device according to claim 1, is characterized in that: the outer periphery of the second end bottleneck of described sampling bottle (2) is provided with the second external screw thread (21), and described bottle cap (1 ) is provided with a second internal thread matched with the second external thread (21). 6. The stool collection and processing device according to claim 1, characterized in that: the end of the sampling rod (3) is provided with a groove (22). 7. The feces collection and processing device according to claim 1, characterized in that: the sampling stick (3) adopts a sampling stick (3) whose size is ￠13×100mm; the end of the sampling stick (3) is Semi-circular structure, consistent with the size of standard vacuum blood collection tubes.