CN218330781U - Quantitative dry blood sample collecting and storing tube - Google Patents
Quantitative dry blood sample collecting and storing tube Download PDFInfo
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- CN218330781U CN218330781U CN202222603297.3U CN202222603297U CN218330781U CN 218330781 U CN218330781 U CN 218330781U CN 202222603297 U CN202222603297 U CN 202222603297U CN 218330781 U CN218330781 U CN 218330781U
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Abstract
The utility model discloses a quantitative dry blood sample collecting and preserving tube, which comprises a liquid collecting mechanism, a liquid storing tube and a drying and sealing mechanism; the liquid storage pipe is of a structure with the periphery and the bottom closed and the upper end opened; the liquid collecting mechanism is arranged at the upper end of the liquid storage pipe; the drying and sealing mechanism is arranged at the lower end of the liquid storage pipe; the liquid collecting mechanism comprises a top air bag and a blood collecting tube; a blood collection tube is fixedly installed at the lower end of the top air bag in an inserted manner; a vent hole is formed in one side of the upper end of the top airbag; the lower part of the top air bag is abutted against and inserted into the upper end of the liquid storage tube. The utility model can discharge the collected liquid quickly by extruding the top air bag through the cooperation of the top air bag and the blood collection tube, thereby greatly improving the efficiency of discharging the blood into the liquid storage tube; the utility model discloses separating dry closing mechanism and liquid mechanism, having reduced the interior drier exposure time of drying tube, overall structure assembles rationally ingenious moreover, realizes the integral structure.
Description
Technical Field
The utility model relates to a quantitative dry blood sample collection and preservation tube.
Background
The dry blood spot detection technology is a method for dropping biological sample, usually whole blood, onto filter paper for drying and storing, and detecting the analyte in dry spot sample after extraction, and the technology is used for qualitative analysis and detection of nucleic acid genetic material in early stage. Because the kit has the advantages of convenient collection, less blood collection amount and easy storage and transportation of samples, the kit is used for screening the newborn phenylketonuria in the sixties of the last century; however, the precision of collection in this way is poor, the effect of dry storage is not good, so that the sample may be polluted and deteriorated, and the existing patent publication No. CN111474257a adopts a quantitative capillary tube for absorption, but in this patent, the sample is automatically absorbed by the collection filter paper, the efficiency of collection is low, the time is long, once bubbles appear in the sample, the automatic absorption of the collection filter paper is hindered, and in addition, the use of the desiccant is not reasonable, in this patent, the desiccant and the capillary collection tube are integrated in the tube fixing member, and because both ends of the capillary collection tube need to be communicated with the external atmosphere, otherwise, the liquid cannot be automatically absorbed, so the upper end of the tube fixing member is open, and it can also be clearly known from section 84, lines 8 and 9 of the specification of this patent, the closed top end 2a1 needs to be closed by the tube cover 1b, so that the tube is extracted, when blood is collected by the capillary collection tube, the desiccant must be exposed to the air, if the environmental humidity is high, or the collection time is prolonged, so that the drying function of the sample may be deteriorated.
SUMMERY OF THE UTILITY MODEL
To the weak point of above-mentioned prior art, the utility model provides a problem do: the quantitative dry blood sample collecting and storing tube is quick and efficient to collect and store and good in drying and storing effects.
In order to solve the above problem, the utility model discloses the technical scheme who takes as follows:
a quantitative dry blood sample collecting and storing tube comprises a liquid collecting mechanism, a liquid storing tube and a drying and sealing mechanism; the liquid storage pipe is of a structure with the periphery and the bottom closed and the upper end opened; the liquid collecting mechanism is arranged at the upper end of the liquid storage pipe; the drying and sealing mechanism is arranged at the lower end of the liquid storage pipe; the liquid collecting mechanism comprises a top air bag and a blood collecting tube; a blood collection tube is fixedly installed at the lower end of the top air bag in an inserted manner; a vent hole is formed in one side of the upper end of the top airbag; the lower part of the top air bag is abutted against and inserted into the upper end of the liquid storage pipe; the drying and sealing mechanism comprises a drying pipe and an opening and closing cover; the upper end of the drying tube is closed, the lower end of the drying tube is provided with an opening and closing opening, and an opening and closing cover is movably arranged at the opening and closing opening; a drying agent is arranged inside the drying pipe; the upper end of the drying tube is movably connected with the lower end of the liquid storage tube through a buckle.
Furthermore, a blood sucking filter paper is arranged below the inner part of the liquid storage tube.
Further, the blood collection tube is a capillary glass tube.
Furthermore, a limiting ring body is arranged around the top air bag; the upper end of the liquid storage pipe is provided with an annular flange; the lower side of the limiting ring body is abutted to the upper side of the annular flanging.
Furthermore, the outer side of the periphery of the lower end of the drying tube is provided with a screwed thread ring surface; the periphery of the upper end of the opening and closing cover is provided with an internal thread sleeve; a sealing plug is arranged in the middle of the upper end of the opening and closing cover; the sealing plug is hermetically inserted on the opening and closing opening; the internal thread sleeve is screwed on the screwed thread ring surface at the lower end of the drying tube.
Furthermore, clamping ring bodies are arranged on the outer sides of the periphery of the lower end of the liquid storage pipe; the upper end of the drying pipe is provided with a butt joint ring body, and the periphery of the inner side of the butt joint ring body is provided with a clamping ring groove; the butt joint ring body is inserted at the lower end of the liquid storage pipe; the clamping ring groove is connected with the clamping ring body in an inserting mode.
Furthermore, positioning ring protrusions are arranged on the outer sides of the periphery of the drying tube; a positioning ring groove is formed in the periphery of the inner part of the upper end of the liquid storage pipe; the positioning ring protrusion is matched with the positioning ring groove in structure; the inner cavity of the liquid storage pipe and the drying pipe are both cylindrical structures; the length of the outer diameter of the drying tube is smaller than the length of the diameter of the inner cavity of the liquid storage tube.
Furthermore, the upper end of the drying pipe is provided with a butt joint ring body, the periphery of the inner side of the butt joint ring body is provided with a clamping ring groove, and the diameter length of the butt joint ring body is greater than the inner diameter length of the liquid storage pipe; a connecting soft strip is arranged on one side of the upper end of the liquid storage pipe, a pressing plate is arranged at the outer end of the connecting soft strip, a pressing ring body is arranged on one side of the pressing plate, and pressing ring protrusions are arranged on the outer side of the periphery of the pressing ring body; the size of the pressing ring body is matched with that of the butting ring body; the size of the pressing ring protrusion is matched with that of the clamping ring groove.
Furthermore, a blocking net is arranged below the inside of the drying pipe; the drying agent is positioned at the upper end of the barrier net.
The beneficial effects of the utility model are as follows:
the utility model, through the cooperation of the top air bag and the blood sampling tube, can discharge the collected liquid quickly by extruding the top air bag, thereby greatly improving the efficiency of discharging the blood into the liquid storage tube; the utility model discloses to adopt liquid mechanism to install in the upper end of depositing the liquid pipe, install dry closing mechanism in the lower extreme of depositing the liquid pipe, make dry closing mechanism separate with adopting liquid mechanism, liquid entering after depositing the liquid pipe is finished when adopting liquid, take out liquid mechanism, then take off the lower extreme of drying tube from depositing the liquid pipe, and will open and close the lid and take out from the opening of opening and close of drying tube lower extreme, so make the lower extreme opening of drying tube, then insert the lower extreme of drying tube from depositing the upper end of liquid pipe fast, and make the protruding buckle that inserts of holding ring of drying tube realize sealing on the location annular of depositing the liquid pipe, so whole process has reduced drying tube interior drier exposure time, and whole structure assembly is reasonable ingenious, realize the integral structure.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the liquid collecting mechanism of the present invention.
Fig. 3 is a schematic structural view of the liquid storage tube of the present invention.
Fig. 4 is a schematic structural view of the drying and sealing mechanism of the present invention.
Fig. 5 is the utility model discloses the blood sampling is deposited and is accomplished the back drying tube and insert the structure sketch map of depositing the liquid pipe.
Figure 6 is the utility model discloses the blood sampling is deposited in and is accomplished the structural schematic diagram after the pressboard encapsulation is accomplished.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, a quantitative dry blood sample collection and preservation tube comprises a liquid collection mechanism 2, a liquid storage tube 1 and a dry sealing mechanism 3; the liquid storage pipe 1 is of a structure with the periphery and the bottom closed and the upper end opened; the liquid collecting mechanism 2 is arranged at the upper end of the liquid storage pipe 1; the drying and sealing mechanism 3 is arranged at the lower end of the liquid storage pipe 1; the liquid collecting mechanism 2 comprises a top air bag 21 and a blood collecting tube 22; a blood collection tube 22 is fixedly installed at the lower end of the top air bag 21 in an inserted manner; a vent hole 211 is formed in one side of the upper end of the top airbag 21; the lower part of the top air bag 21 is pressed and inserted into the upper end of the liquid storage tube 1; the drying and sealing mechanism 3 comprises a drying pipe 31 and an opening and closing cover 33; the upper end of the drying pipe 31 is closed, the lower end of the drying pipe 31 is provided with an opening and closing opening 311, and an opening and closing cover 33 is movably arranged at the opening and closing opening 311; a drying agent 32 is arranged in the drying pipe 31; the upper end of the drying pipe 31 is movably connected with the lower end of the liquid storage pipe 1 in a buckling manner.
As shown in fig. 1 to 6, in order to improve the blood adsorption property and prevent splash flow, it is preferable that a blood-sucking filter paper 7 is provided below the inside of the liquid storage tube 1. More preferably, the blood collection tube 22 is a capillary glass tube.
As shown in fig. 1 to 6, in order to realize convenient connection between the top air bag 21 and the liquid storage tube 1, further, a limiting ring body 212 is arranged around the top air bag 21; the upper end of the liquid storage tube 1 is provided with an annular flange 11; the lower side of the limiting ring body 212 is abutted against the upper side of the annular flange 11.
As shown in fig. 1 to 6, in order to realize the sealing and movable connection between the drying tube 31 and the opening and closing cover 33, further, a screwed thread ring surface 318 is arranged on the outer side of the periphery of the lower end of the drying tube 31; an internal thread sleeve 331 is arranged around the upper end of the opening and closing cover 33; a sealing plug 332 is arranged in the middle of the upper end of the opening and closing cover 33; the sealing plug 332 is hermetically inserted into the opening 311; the inner thread sleeve 331 is screwed on the screwed thread ring surface 318 at the lower end of the drying tube 31.
As shown in fig. 1 to 6, in order to facilitate the movable connection between the lower end of the liquid storage tube 1 and the drying tube 31, further, a clamping ring body 12 is arranged on the outer side of the periphery of the lower end of the liquid storage tube 1; the upper end of the drying pipe 31 is provided with a butt joint ring body 8, and the periphery of the inner side of the butt joint ring body 8 is provided with a clamping ring groove 81; the butt joint ring body 8 is inserted at the lower end of the liquid storage pipe 1; the clamping ring groove 81 is inserted and buckled with the clamping ring body 12.
As shown in fig. 1 to 6, in order to ensure the sealing connection between the drying pipe 31 and the liquid storage pipe 1 after the liquid extraction is completed, further, a positioning ring protrusion 312 is arranged on the outer side of the periphery of the drying pipe 31; a positioning ring groove 13 is formed in the periphery of the inner part of the upper end of the liquid storage pipe 1; the positioning ring protrusion 312 is matched with the positioning ring groove 13 in structure; the inner cavity of the liquid storage tube 1 and the drying tube 31 are both cylindrical structures; the length of the outer diameter of the drying tube 31 is smaller than the length of the inner cavity diameter of the liquid storage tube 1.
As shown in fig. 1 to 6, in order to improve the stability of the connection structure between the drying pipe 31 and the liquid storage pipe 1, further, a butt-joint ring body 8 is arranged at the upper end of the drying pipe 31, a snap-joint ring groove 81 is arranged around the inner side of the butt-joint ring body 8, and the diameter length of the butt-joint ring body 8 is greater than the inner diameter length of the liquid storage pipe 1; a connecting soft strip 4 is arranged on one side of the upper end of the liquid storage pipe 1, a pressing plate 5 is arranged at the outer end of the connecting soft strip 4, a pressing ring body 6 is arranged on one side of the pressing plate 5, and pressing ring protrusions 61 are arranged on the outer sides of the periphery of the pressing ring body 6; the size of the pressing ring body 6 is matched with that of the butt joint ring body 8; the pressing ring protrusion 61 is matched with the clamping ring groove 81 in size. Further, a barrier net 313 is arranged below the inside of the drying pipe 31; the desiccant 32 is located at the upper end of the barrier net 313.
As shown in fig. 1 to 6, a collection method of a quantitative dry blood sample collection and preservation tube comprises the following steps:
s1, taking the top air bag 21 and the blood collection tube 22 out of the upper end of the liquid storage tube 1, contacting the lower end of the blood collection tube 22 with blood to be collected, and automatically sucking a quantitative blood sample.
And S2, after the blood collection is finished, inserting the top air bag 21 and the blood collection tube 22 into the upper end of the liquid storage tube 1 again, pressing the top air bag 21 to extrude the blood sample into the lower part of the inside of the liquid storage tube 1, and taking out the top air bag 21 and the blood collection tube 22 again.
S3, take off drying tube 31 from the lower extreme of depositing liquid pipe 1, and will open and close lid 33 and follow the separation of drying tube 31 lower extreme, make opening 311 of opening and close of drying tube 31 lower extreme open, insert the lower extreme of drying tube 31 from the upper end of depositing liquid pipe 1, and make the protruding 312 of holding ring of drying tube 31 insert the buckle on the positioning ring groove 13 of depositing liquid pipe 1, butt joint ring body 8 butt joint is around the upper end of depositing liquid pipe 1, upset pressure bonded plate 5, drive in the pressfitting ring body 6 inserts the butt joint ring body 8, make the protruding 61 card of pressfitting ring snap-in ring groove 81, realize the encapsulation.
The utility model, through the cooperation of the top air bag 21 and the blood sampling tube 22, can discharge collected liquid quickly by extruding the top air bag 21, thereby greatly improving the efficiency of discharging blood into the liquid storage tube; the utility model discloses to adopt liquid mechanism 2 to install in the upper end of depositing liquid pipe 1, install dry closing mechanism 3 in the lower extreme of depositing liquid pipe 1, make dry closing mechanism 3 separate with adopting liquid mechanism 2, liquid entering after depositing liquid pipe 1 is finished when adopting liquid, take out liquid mechanism, then take off drying tube 31 from depositing liquid pipe 1's lower extreme, and will open and close lid 33 and take out from opening and close opening 311 of drying tube 31 lower extreme, so make the lower extreme opening of drying tube 31, then insert drying tube 31's lower extreme from depositing liquid pipe 1's upper end fast, and make the protruding 312 of holding ring of drying tube 31 insert the buckle and realize sealing on the positioning ring groove 13 of depositing liquid pipe 1, so whole process has reduced drying tube 31 internal drying agent 32 exposure time, and whole structure assembly is reasonable ingenious, realize the integral structure.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A quantitative dry blood sample collecting and preserving tube is characterized by comprising a liquid collecting mechanism, a liquid storing tube and a drying and sealing mechanism; the liquid storage pipe is of a structure with the periphery and the bottom closed and the upper end opened; the liquid collecting mechanism is arranged at the upper end of the liquid storage pipe; the drying and sealing mechanism is arranged at the lower end of the liquid storage pipe; the liquid collecting mechanism comprises a top air bag and a blood collecting tube; a blood collection tube is fixedly installed at the lower end of the top air bag in an inserted manner; a vent hole is formed in one side of the upper end of the top airbag; the lower part of the top air bag is pressed and inserted into the upper end of the liquid storage pipe; the drying and sealing mechanism comprises a drying pipe and an opening and closing cover; the upper end of the drying tube is closed, the lower end of the drying tube is provided with an opening and closing opening, and an opening and closing cover is movably arranged at the opening and closing opening; a drying agent is arranged inside the drying pipe; the upper end of the drying tube is movably connected with the lower end of the liquid storage tube through a buckle.
2. The quantitative dry blood sample collection and preservation tube according to claim 1, wherein a blood sucking filter paper is arranged below the inner part of the liquid storage tube.
3. The quantitative dry blood sample collection and preservation tube according to claim 1, wherein the blood collection tube is a capillary glass tube.
4. The quantitative dry blood sample collection and preservation tube according to claim 1, wherein a limiting ring body is arranged around the top airbag; the upper end of the liquid storage pipe is provided with an annular flange; the lower side of the limiting ring body is abutted to the upper side of the annular flanging.
5. The quantitative dry blood sample collection and preservation tube according to claim 1, wherein a screw thread ring surface is arranged on the outer side of the periphery of the lower end of the drying tube; the periphery of the upper end of the opening and closing cover is provided with an internal thread sleeve; a sealing plug is arranged in the middle of the upper end of the opening and closing cover; the sealing plug is hermetically inserted on the opening and closing opening; the internal thread sleeve is screwed on the screwed thread ring surface at the lower end of the drying tube.
6. The quantitative dry blood sample collection and preservation tube according to claim 1, wherein a clamping ring body is arranged on the outer side of the periphery of the lower end of the liquid storage tube; the upper end of the drying tube is provided with a butt joint ring body, and the periphery of the inner side of the butt joint ring body is provided with a clamping ring groove; the butt joint ring body is inserted at the lower end of the liquid storage pipe; the clamping ring groove is connected with the clamping ring body in an inserting mode.
7. The quantitative dry blood sample collection and preservation tube according to claim 1, wherein a positioning ring protrusion is arranged on the outer side of the periphery of the drying tube; a positioning ring groove is formed in the periphery of the inner part of the upper end of the liquid storage pipe; the positioning ring protrusion is matched with the positioning ring groove in structure; the inner cavity of the liquid storage pipe and the drying pipe are both cylindrical structures; the length of the outer diameter of the drying tube is smaller than the length of the diameter of the inner cavity of the liquid storage tube.
8. The quantitative dry blood sample collection and preservation tube according to claim 7, wherein the upper end of the drying tube is provided with a butt joint ring body, the inner side of the butt joint ring body is provided with a clamping ring groove at the periphery, and the diameter length of the butt joint ring body is larger than the inner diameter length of the liquid storage tube; a connecting soft strip is arranged on one side of the upper end of the liquid storage pipe, a pressing plate is arranged at the outer end of the connecting soft strip, a pressing ring body is arranged on one side of the pressing plate, and pressing ring protrusions are arranged on the outer side of the periphery of the pressing ring body; the size of the pressing ring body is matched with that of the butting ring body; the size of the pressing ring protrusion is matched with that of the clamping ring groove.
9. The quantitative dry blood sample collection and preservation tube according to claim 1, wherein a blocking net is arranged below the inside of the drying tube; the drying agent is positioned at the upper end of the barrier net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222603297.3U CN218330781U (en) | 2022-09-30 | 2022-09-30 | Quantitative dry blood sample collecting and storing tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222603297.3U CN218330781U (en) | 2022-09-30 | 2022-09-30 | Quantitative dry blood sample collecting and storing tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218330781U true CN218330781U (en) | 2023-01-17 |
Family
ID=84822367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222603297.3U Active CN218330781U (en) | 2022-09-30 | 2022-09-30 | Quantitative dry blood sample collecting and storing tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218330781U (en) |
-
2022
- 2022-09-30 CN CN202222603297.3U patent/CN218330781U/en active Active
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