CN214667729U

CN214667729U - Double-filtering quantitative biological sample collector

Info

Publication number: CN214667729U
Application number: CN202022914909.1U
Authority: CN
Inventors: ***; 吴玉章; 徐晓锋
Original assignee: Wuxi Fuwei Biomedical Technology Co ltd
Current assignee: Wuxi Fuwei Biomedical Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-11-09
Anticipated expiration: 2030-12-07

Abstract

The utility model provides a two biological sample collectors of filtering ration, including the bottom, set up the shell on the bottom, set up the ration in the shell and filter the piece, ration filter piece threaded connection sampling stick. The utility model discloses an including first filtration membrane and second filtration membrane in the two filtration ration biological sample collectors, can save the manual filtration process through the two-stage filtration, raise the efficiency, this collector instrument of being convenient for uses, is difficult for stifled sampling needle, and maneuverability is stronger.

Description

Double-filtering quantitative biological sample collector

Technical Field

The utility model relates to a collector technical field, concretely relates to two filtration ration biological sample collectors.

Background

The stool sample is an important clinical specimen type, and biochemical and molecular biological analysis of the stool has important reference value for judging digestive system diseases. Biochemical testing of stool requires the handling of stool samples due to the machine configuration. At present, the treatment is carried out in two modes, firstly, the macromolecular substances in the excrement mixed liquid are settled under the action of gravity through a natural settling method, and a biochemical instrument absorbs the supernatant of the mixed liquid. Secondly, after the excrement mixed liquid is filtered through the filter, the biochemical instrument absorbs the mixed liquid supernatant. The above two methods have advantages and disadvantages. In the first method, the biochemical analyzer is easily damaged; in the second method, the material requirement of the filter is high.

The common excrement collector suitable for biochemical apparatus in the existing market has proposed the collector of various forms, and most collectors possess: the sampling rod is provided with a thread groove at the front end; in the excrement collector, when collecting excrement, the sampling rod is taken down, and pricked with the sampling rod to scrape the excrement from the thread slot in the front end of the sampling rod, and then inserted into a quantitative sampler formed by setting partition wall inside the container to eliminate excessive excrement and to dissolve certain amount of excrement in the preserving liquid.

Disclosure of Invention

To the not enough of existence among the prior art, the utility model provides a two filtration ration biological sample collectors saves the manual filtration process, raises the efficiency. The utility model adopts the technical proposal that:

a dual filtration quantitative biological sample collector, wherein: the filter comprises a bottom cover, set up the shell on the bottom cover, set up the ration in the shell and filter the piece, ration filters the threaded connection sampling stick.

Preferably, the double-filtration quantitative biological sample collector comprises: the bottom cover 400 comprises a base, wherein a filter screen plate is arranged on the base, a filter plate bulge is arranged at the top of the filter plate, a first filter opening is formed in the filter plate, a first filter membrane is arranged on the first filter opening, and the aperture of the first filter membrane is 50-200 meshes.

Preferably, the double-filtration quantitative biological sample collector comprises: the utility model discloses a spacing post of shell 300, including shell 300 inner wall, first spacing post and the spacing post of second, shell inner wall opposite side symmetry sets up the spacing post of third and the spacing post of fourth, set up first spacing groove between first spacing post and the spacing post of second, set up the spacing groove of second between spacing post of third and the spacing post of fourth.

Preferably, the double-filtration quantitative biological sample collector comprises: the quantitative filter piece comprises a first filter part, a limiting part and a second filter part which are sequentially arranged from left to right, the top end of the first filter part is provided with a sample inlet, external threads are arranged outside the sample inlet, and the bottom end of the first filter part is provided with a scraping port; the limiting part comprises a fifth limiting column and a sixth limiting column which are arranged on the outer side of the quantitative filter piece, a third limiting groove and a fourth limiting groove are respectively arranged on two sides of the fifth limiting column, and a fifth limiting groove and a sixth limiting groove are respectively arranged on two sides of the sixth limiting column; the top end of the second filtering part is provided with a sampling port, the bottom end of the second filtering part is provided with a second filtering port, a second filtering membrane is arranged on the second filtering port, and the aperture of the second filtering membrane is 200 meshes and 1000 meshes.

Preferably, the double-filtration quantitative biological sample collector comprises: the length of the fifth limiting column is smaller than that of the third limiting groove and that of the fourth limiting groove, the length of the sixth limiting column is smaller than that of the fifth limiting groove and that of the sixth limiting groove, a first limiting groove is formed between the third limiting groove and the fourth limiting groove, and a second limiting groove is formed between the fifth limiting groove and the sixth limiting groove.

Preferably, the double-filtration quantitative biological sample collector comprises: the scraping opening is conical; the lower end of the second filtering part is provided with an inclined plane and a bottom surface, the second filtering port is arranged on the inclined plane, and a contact point between the inclined plane and the bottom surface is positioned on the left side of the central position of the sampling hole.

Preferably, the double-filtration quantitative biological sample collector comprises: the sampling stick includes the lid, the lid center sets up the collection body downwards, the collection body is from last to including first sampling section and second sampling section down in proper order, second sampling section bottom sets up pointed end portion, the periphery that the second sampling section is close to pointed end portion sets up the sample spiral line, the inboard circumference of lid sets up and external screw thread matched with internal thread.

Preferably, the double-filtration quantitative biological sample collector comprises: first spacing post, the spacing post of second and third spacing groove, fourth spacing groove correspond the block, the block is corresponded to third spacing post, fourth spacing post and fifth spacing groove, sixth spacing groove, filter plate one side and the block of fifth spacing post are at first spacing inslot, filter plate opposite side and the block of sixth spacing post are at the spacing inslot of second, bottom, shell and ration filter piece assemble the back and cut apart into two independent sample processing chamber and elementary filter chamber with the inner chamber of shell, form the second grade filter chamber in the second filter house, all be equipped with sample treatment liquid in sample processing chamber, the elementary filter chamber and the second grade filter chamber.

Preferably, the double-filtration quantitative biological sample collector comprises: the diameter of the first sampling section is larger than that of the second sampling section.

Preferably, the double-filtration quantitative biological sample collector comprises: and an aluminum film is arranged on the sampling port.

The utility model has the advantages that: the double-filtration quantitative biological sample collector comprises the first filtration membrane and the second filtration membrane, and the manual filtration process can be omitted through two-stage filtration, so that the efficiency is improved; the collector is convenient for using instruments, is not easy to block a sampling needle, and has stronger operability.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic view of the composition of the sampling wand of FIG. 1.

Fig. 3 is a schematic diagram of the composition of the dosing filter of fig. 1.

Figure 4 is a top view of the dosing filter of figure 1.

Fig. 5 is a schematic composition diagram of the housing of fig. 1.

Fig. 6 is a top view of the housing of fig. 1.

Fig. 7 is a schematic view of the bottom cover of fig. 1.

Fig. 8 is a left side view of the bottom cover of fig. 1.

Detailed Description

The invention is further described with reference to the following specific drawings and examples.

As shown in FIGS. 1-8: the utility model provides a two filtration ration biological sample collectors, wherein: the quantitative filter comprises a bottom cover 400, wherein a shell 300 is arranged on the bottom cover 400, a quantitative filter element 200 is arranged in the shell 300, and the quantitative filter element 200 is in threaded connection with a sampling rod 100.

Wherein: the bottom cover 400 comprises a base 401, a filter screen plate 402 is arranged on the base 401, a filter plate bulge 403 is arranged on the top of the filter screen plate 402, a first filter opening 404 is arranged on the filter screen plate 402, a first filter membrane is arranged on the first filter opening 404, and the aperture of the first filter membrane is 50-200 meshes. The first filtering membrane is welded on the first filtering opening in a hot melting mode.

Wherein: the utility model discloses a spacing post of shell 300, including shell 300 inner wall one side, first spacing post 301 and second spacing post 302 are set up to shell 300 inner wall one side, shell 300 inner wall opposite side symmetry sets up third spacing post 303 and fourth spacing post 304, set up first spacing groove 305 between first spacing post 301 and the second spacing post 302, set up second spacing groove 306 between third spacing post 303 and the fourth spacing post 304.

Wherein: the quantitative filter element 200 comprises a first filter part 201, a limiting part 202 and a second filter part 203 which are sequentially arranged from left to right, wherein the top end of the first filter part 201 is provided with a sample inlet 208, an external thread 207 is arranged outside the sample inlet 208, and the bottom end of the first filter part 201 is provided with a scraping port 214; the limiting part 202 comprises a fifth limiting column 204 and a sixth limiting column 205 which are arranged outside the quantitative filter element 200, a third limiting groove 206 and a fourth limiting groove 215 are respectively arranged at two sides of the fifth limiting column 204, and a fifth limiting groove 216 and a sixth limiting groove 209 are respectively arranged at two sides of the sixth limiting column 205; the top end of the second filtering portion 203 is provided with a sampling port 212, the bottom end of the second filtering portion 203 is provided with a second filtering port 213, the second filtering port 213 is provided with a second filtering membrane, and the aperture of the second filtering membrane is 200 meshes and 1000 meshes. The second filtering membrane is welded on the second filtering opening in a hot melting mode.

Wherein: the lengths of the fifth limiting columns 204 are smaller than the lengths of the third limiting grooves 206 and the fourth limiting grooves 215, the lengths of the sixth limiting columns 205 are smaller than the lengths of the fifth limiting grooves 216 and the sixth limiting grooves 209, first limiting grooves 210 are formed between the third limiting grooves 206 and the fourth limiting grooves 215, and second limiting grooves 211 are formed between the fifth limiting grooves 216 and the sixth limiting grooves 209.

Wherein: the scraping port 214 is conical; the lower end of the second filter part 203 is provided with an inclined surface and a bottom surface, the second filter opening 213 is arranged on the inclined surface, and the contact point between the inclined surface and the bottom surface is located at the left side of the central position of the sampling opening 212. Second filtration mouth 213 can guarantee on the inclined plane that there is sample treatment liquid all the time in the second grade filter chamber 503 on the inclined plane, can avoid the sampling needle not to absorb liquid, and the central point that the inclined plane bottom did not reach the thief hole puts, prevents that the sampling needle from stabbing filtration membrane.

Wherein: sampling stick 100 includes lid 101, lid 101 center sets up the collection body downwards, the collection body includes first sampling section 102 and second sampling section 103 from last to down in proper order, second sampling section 103 bottom sets up pointed portion 104, second sampling section 103 sets up sample spiral line 105 near the periphery of pointed portion 104, the inboard circumference of lid 101 sets up and external screw thread 207 matched with internal thread 106.

Wherein: the first limiting column 301, the second limiting column 302, the third limiting groove 206 and the fourth limiting groove 215 are correspondingly clamped, the third limiting column 303, the fourth limiting column 304, the fifth limiting groove 216 and the sixth limiting groove 209 are correspondingly clamped, one side of the filter screen plate 402 and the fifth limiting column 204 are clamped in the first limiting groove 305, the other side of the filter screen plate 402 and the sixth limiting column 205 are clamped in the second limiting groove 306, the bottom cover 400, the housing 300 and the quantitative filter element 200 are assembled to divide the inner cavity of the housing 300 into two independent sample processing cavities 501 and a primary filter cavity 502, a secondary filter cavity 503 is formed in the second filter part 203, and sample processing liquids are respectively arranged in the sample processing cavities 501, the primary filter cavity 502 and the secondary filter cavity 503.

Wherein: the diameter of the first sampling section 102 is larger than the diameter of the second sampling section 103 so that the collectors form a seal with the strickle.

Wherein: an aluminum film is arranged on the sampling port 212.

The working process is as follows: the sampling rod 100 is pulled out, sampling is carried out according to sampling requirements, the collected sample is inserted into the sample processing cavity 501 through the scraping port 214 of the quantitative filter piece 200, the sampling rod 100 retains the redundant excrement sample outside the sampling spiral thread 105 through the scraping hole 202, only the sample in the sampling spiral thread 105 enters the sample processing cavity 501, the sampling rod is mixed by a manual mixer or a mixer, and the sampling needle punctures an aluminum film on the sampling port 212 to absorb the solution in the secondary filter cavity 503.

The double-filtration quantitative biological sample collector comprises the first filtration membrane and the second filtration membrane, and the manual filtration process can be omitted through two-stage filtration, so that the efficiency is improved; the collector is convenient for using instruments, is not easy to block a sampling needle, and has stronger operability.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a two filtration ration biological sample collectors which characterized in that: including bottom (400), set up shell (300) on bottom (400), set up quantitative filter piece (200) in shell (300), quantitative filter piece (200) threaded connection sampling stick (100).

2. The dual filtration quantitative biological sample collector of claim 1, wherein: bottom (400) include base (401), set up filter plate (402) on base (401), filter plate (402) top sets up filter plate arch (403), set up first filtration mouth (404) on filter plate (402), set up first filtration membrane on first filtration mouth (404), the aperture of first filtration membrane is 50-200 mesh.

3. The dual filtration quantitative biological sample collector of claim 2, wherein: the utility model discloses a spacing post of shell (300) inner wall one side sets up first spacing post (301) and second (302), shell (300) inner wall opposite side symmetry sets up spacing post of third (303) and fourth (304), set up first spacing groove (305) between spacing post of first (301) and second (302), set up second spacing groove (306) between spacing post of third (303) and fourth (304).

4. The dual filtration quantitative biological sample collector of claim 3, wherein: the quantitative filter element (200) comprises a first filter part (201), a limiting part (202) and a second filter part (203) which are sequentially arranged from left to right, the top end of the first filter part (201) is provided with a sample inlet (208), an external thread (207) is arranged outside the sample inlet (208), and the bottom end of the first filter part (201) is provided with a scraping port (214); the limiting part (202) comprises a fifth limiting column (204) and a sixth limiting column (205) which are arranged on the outer side of the quantitative filter piece (200), a third limiting groove (206) and a fourth limiting groove (215) are respectively arranged on two sides of the fifth limiting column (204), and a fifth limiting groove (216) and a sixth limiting groove (209) are respectively arranged on two sides of the sixth limiting column (205); the top end of the second filtering part (203) is provided with a sampling port (212), the bottom end of the second filtering part (203) is provided with a second filtering port (213), the second filtering port (213) is provided with a second filtering membrane, and the aperture of the second filtering membrane is 200 meshes and 1000 meshes.

5. The dual filtration quantitative biological sample collector of claim 4, wherein: the length of the fifth limiting column (204) is smaller than that of the third limiting groove (206) and that of the fourth limiting groove (215), the length of the sixth limiting column (205) is smaller than that of the fifth limiting groove (216) and that of the sixth limiting groove (209), a first limiting groove (210) is formed between the third limiting groove (206) and the fourth limiting groove (215), and a second limiting groove (211) is formed between the fifth limiting groove (216) and the sixth limiting groove (209).

6. The dual filtration quantitative biological sample collector of claim 4, wherein: the scraping opening (214) is conical; the lower end of the second filtering part (203) is provided with an inclined plane and a bottom plane, the second filtering port (213) is arranged on the inclined plane, and the contact point between the inclined plane and the bottom plane is positioned on the left side of the central position of the sampling port (212).

7. The dual filtration quantitative biological sample collector of claim 4, wherein: sampling stick (100) includes lid (101), lid (101) center sets up the collection body downwards, the collection body includes first sampling section (102) and second sampling section (103) from last to down in proper order, second sampling section (103) bottom sets up pointed end portion (104), second sampling section (103) are close to the periphery of pointed end portion (104) and set up sample spiral line (105), lid (101) inboard circumference sets up and external screw thread (207) matched with internal thread (106).

8. The dual filtration quantitative biological sample collector of claim 7, wherein: the first limit post (301), the second limit post (302), the third limit groove (206) and the fourth limit groove (215) are correspondingly clamped, the third limiting column (303) and the fourth limiting column (304) are correspondingly clamped with the fifth limiting groove (216) and the sixth limiting groove (209), one side of the filter screen plate (402) and the fifth limiting column (204) are clamped in the first limiting groove (305), the other side of the filter screen plate (402) and the sixth limiting column (205) are clamped in the second limiting groove (306), the bottom cover (400), the outer shell (300) and the quantitative filter element (200) are assembled to divide the inner cavity of the outer shell (300) into two independent sample processing cavities (501) and a primary filter cavity (502), a secondary filtering cavity (503) is formed in the second filtering part (203), and sample processing liquid is arranged in the sample processing cavity (501), the primary filtering cavity (502) and the secondary filtering cavity (503).

9. The dual filtration quantitative biological sample collector of claim 7, wherein: the diameter of the first sampling section (102) is larger than the diameter of the second sampling section (103).

10. The dual filtration quantitative biological sample collector of claim 4, wherein: an aluminum film is arranged on the sampling port (212).