CN209899450U - Negative pressure saliva collecting device - Google Patents
Negative pressure saliva collecting device Download PDFInfo
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- CN209899450U CN209899450U CN201920513846.3U CN201920513846U CN209899450U CN 209899450 U CN209899450 U CN 209899450U CN 201920513846 U CN201920513846 U CN 201920513846U CN 209899450 U CN209899450 U CN 209899450U
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- negative pressure
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Abstract
The utility model relates to a negative pressure saliva collection system belongs to liquid sampling device field. It is including gathering the pipe, stand pipe and storage device, the lower extreme and the stand pipe intercommunication of gathering the pipe, storage device is including collecting the chamber and collecting the cup, it is including connecting the connecting pipe on the stand pipe to collect the chamber, the lower extreme of connecting pipe is connected with the toper pipe, be provided with anti-reflux valve on the toper pipe, it is provided with the fixed plate to collect the bottom of cup, the through-hole has been seted up in the bottom of collecting the chamber, the diameter of fixed plate is greater than the diameter of through-hole, the detachable bottom of fixing in collecting the chamber of fixed plate, it fixes on the fixed plate to collect the cup, it is connected with negative pressure device to collect the chamber, negative pressure device includes the negative pressure chamber, connecting pipe and negative pressure fan, the connecting hole has. The utility model relates to a negative pressure saliva collection system, simple structure adopts the mode of negative pressure to gather, and collection efficiency is high.
Description
Technical Field
The utility model relates to a negative pressure saliva collection system belongs to liquid sampling device field.
Background
Saliva is one of the specimens that is often used in clinical examinations and scientific research. Because saliva contains various components in blood plasma, mucin, globulin, various enzymes, nearly 10 vitamins, various minerals, DNA, RNA, various microorganisms and the like; in addition, when the human body secretes saliva, a few exfoliated epithelial cells are often mixed in the saliva. The saliva is helpful to diagnose some diseases, evaluate the physiological function of the organism and monitor the drug level by detecting and analyzing the saliva components, and also helps to analyze and judge the genetic characteristics of the organism by detecting and analyzing the genetic materials contained in the saliva, so the saliva is increasingly valued and widely applied in the fields of clinical examination and scientific research. The conventional saliva collecting device is complicated in collecting process and low in collecting efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure adopts the mode of negative pressure to gather, the high negative pressure saliva collection system of collection efficiency.
In order to achieve the above purpose, the utility model provides a following technical scheme: a negative pressure saliva collecting device comprises a collecting pipe, a guide pipe and a storage device, wherein the lower end of the collecting pipe is communicated with the guide pipe, the storage device comprises a collecting cavity and a collecting cup arranged in the collecting cavity, the collecting cavity comprises a connecting pipe connected to the guide pipe, the lower end of the connecting pipe is connected with a conical pipe, an anti-reflux valve is arranged on the conical pipe, a fixing plate is arranged at the bottom of the collecting cup, a through hole used for placing the collecting cup is formed in the bottom of the collecting cavity, the diameter of the fixing plate is larger than that of the through hole, the fixing plate is detachably fixed at the bottom of the collecting cavity, the collecting cup is fixed on the fixing plate, the collecting cavity is connected with a negative pressure device, the negative pressure device comprises a negative pressure cavity, a connecting pipe and a negative pressure fan connected to the negative pressure cavity, and a connecting hole is formed in the collecting, one end of the connecting pipe is connected with the connecting hole in a sealing mode, and the other end of the connecting pipe is connected with the negative pressure cavity in a sealing mode.
Furthermore, a plurality of threaded holes are formed in the bottom of the collecting cavity, mounting holes are formed in the fixing plate, and the fixing plate is fixed to the bottom of the collecting cavity through bolts penetrating through the threaded holes and the mounting holes.
Further, the collecting cup comprises a cover body and a cup body, a diaphragm is arranged in the cup body, the diaphragm divides the cup body into two independent liquid storage spaces, a puncturing device used for puncturing the diaphragm is arranged on the cover body, and the puncturing device is detachably connected to the cover body.
Furthermore, an external thread is formed on the outer wall of the upper end of the cup body, an internal thread is formed on the inner wall of the cover body, and the external thread and the internal thread are matched with each other.
Further, the diaphragm divides the cup body into an upper liquid storage space and a lower liquid storage space, the upper liquid storage space and the lower liquid storage space are both cylindrical, and the upper liquid storage space is higher than the lower liquid storage space.
Furthermore, a plurality of diversion trenches are uniformly formed in the inner wall of the guide pipe.
Further, the collection tube comprises a funnel-shaped tube opening and a connecting part connected to the tube opening, and the connecting part is fixedly connected with the guide tube.
Further, the diaphragm is a polytetrafluoroethylene film; the collecting cup is made of polyethylene.
Furthermore, the mounting holes are arranged on the fixing plate in an annular array mode, and the threaded holes are in one-to-one correspondence with the mounting holes.
Further, the negative pressure fan is connected with the negative pressure cavity through a rubber hose.
The beneficial effects of the utility model reside in that: the utility model relates to a negative pressure saliva collection system collects the chamber and is connected with negative pressure device, through negative pressure device's setting for collect the chamber and be in negative pressure environment, the saliva of collection gets into fast and collects the cup under the effect of atmospheric pressure, thereby improves the collection efficiency to saliva, reduces the collection cost.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic view of the negative pressure saliva collecting device of the present invention.
Fig. 2 is a schematic view of the overall structure of the collection cup.
Fig. 3 is a schematic view of the fixing plate.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1-3, in a preferred embodiment of the present invention, a negative pressure saliva collecting device comprises a collecting tube 1, a guiding tube 2 and a storage device 3, the lower end of the collecting tube 1 is communicated with the guiding tube 2, the storage device 3 comprises a collecting chamber 31 and a collecting cup 32 disposed in the collecting chamber 31, the collecting chamber 31 comprises a connecting tube 311 connected to the guiding tube 2, the lower end of the connecting tube 311 is connected to a tapered tube 312, the tapered tube 312 is provided with a reverse flow prevention valve 3121, the bottom of the collecting cup 32 is provided with a fixing plate 33, the bottom of the collecting chamber 31 is provided with a through hole (not shown) for placing the collecting cup 32, the diameter of the fixing plate 33 is larger than that of the through hole, the fixing plate 33 is detachably fixed at the bottom of the collecting chamber 31, the collecting cup 32 is fixed on the fixing plate 33, the collecting chamber 31 is connected to a negative pressure, The collecting cavity 31 is provided with a connecting hole 313, one end of the connecting pipe 311 is hermetically connected with the connecting hole 313, and the other end is hermetically connected with the negative pressure cavity 41. In the specific implementation, the negative pressure fan 43 is connected to the negative pressure chamber 41 through a rubber hose.
In the above embodiment, a plurality of screw holes (not shown) are opened at the bottom of the collection chamber 31, mounting holes 331 are opened in the fixing plate 33, and the fixing plate 33 is fixed to the bottom of the collection chamber 31 by bolts inserted into the screw holes and the mounting holes 331. The mounting holes 331 are formed in the fixing plate 33 in an annular array, and the threaded holes are formed in one-to-one correspondence with the mounting holes 331.
In the above embodiments, the collecting cup 32 includes a cover 321 and a cup 322, a membrane 3221 is disposed in the cup 322, the membrane 3221 divides the cup into two separate liquid storage spaces, a puncturing device 323 for puncturing the membrane 3221 is disposed on the cover 321, the puncturing device 323 is detachably connected to the cover 321, the membrane 3221 divides the cup into an upper liquid storage space 3222 and a lower liquid storage space 3223, the upper liquid storage space 3222 and the lower liquid storage space 3223 are both cylindrical, and the upper liquid storage space 3222 is higher than the lower liquid storage space 3223. The diaphragm 3221 is a polytetrafluoroethylene film; the collection cup 32 is made of polyethylene.
In the above embodiment, the outer wall of the upper end of the cup 322 is provided with an external thread, the inner wall of the cover 321 is provided with an internal thread, and the external thread and the internal thread are matched with each other. A plurality of flow guide grooves (not shown) are uniformly arranged on the inner wall of the guide pipe 2. The collecting tube 1 comprises a funnel-shaped tube opening 11 and a connecting part 12 connected to the tube opening 11, and the connecting part 12 is fixedly connected with the guide tube 2.
The beneficial effects of the utility model reside in that: the utility model relates to a negative pressure saliva collection system collects chamber 31 and is connected with negative pressure device 4, through the setting of negative pressure device 4 for collect chamber 31 and be in the negative pressure environment, the saliva of collection gets into fast and collects cup 32 under the effect of atmospheric pressure, thereby improves the collection efficiency to saliva, reduces the collection cost.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A negative pressure saliva collection device, its characterized in that: the negative pressure saliva collecting device comprises a collecting pipe, a guide pipe and a storage device, the lower end of the collecting pipe is communicated with the guide pipe, the storage device comprises a collecting cavity and a collecting cup arranged in the collecting cavity, the collecting cavity comprises a connecting pipe connected to the guide pipe, the lower end of the connecting pipe is connected with a conical pipe, an anti-reflux valve is arranged on the conical pipe, a fixing plate is arranged at the bottom of the collecting cup, a through hole for placing the collecting cup is formed in the bottom of the collecting cavity, the diameter of the fixing plate is larger than that of the through hole, the fixing plate is detachably fixed at the bottom of the collecting cavity, the collecting cup is fixed on the fixing plate, the collecting cavity is connected with a negative pressure device, the negative pressure device comprises a negative pressure cavity, a connecting pipe and a negative pressure fan connected to the negative pressure cavity, and the collecting cavity is provided with a connecting, one end of the connecting pipe is connected with the connecting hole in a sealing mode, and the other end of the connecting pipe is connected with the negative pressure cavity in a sealing mode.
2. The negative pressure saliva collection device of claim 1, wherein: the bottom of the collecting cavity is provided with a plurality of threaded holes, the fixing plate is provided with mounting holes, and the fixing plate is fixed at the bottom of the collecting cavity through bolts penetrating through the threaded holes and the mounting holes.
3. The negative pressure saliva collection device of claim 1, wherein: the collecting cup comprises a cover body and a cup body, a diaphragm is arranged in the cup body, the diaphragm divides the cup body into two independent liquid storage spaces, a puncturing device used for puncturing the diaphragm is arranged on the cover body, and the puncturing device is detachably connected to the cover body.
4. The negative pressure saliva collection device of claim 3, wherein: the cup body is characterized in that an external thread is formed on the outer wall of the upper end of the cup body, an internal thread is formed on the inner wall of the cover body, and the external thread is matched with the internal thread.
5. The negative pressure saliva collection device of claim 1, wherein: a plurality of diversion trenches are uniformly arranged on the inner wall of the guide pipe.
6. The negative pressure saliva collection device of claim 1, wherein: the collecting pipe comprises a funnel-shaped pipe orifice and a connecting part connected to the pipe orifice, and the connecting part is fixedly connected with the guide pipe.
7. The negative pressure saliva collection device of claim 3, wherein: the collecting cup is made of polyethylene.
8. The negative pressure saliva collection device of claim 2, wherein: the mounting holes are arranged on the fixing plate in an annular array mode, and the threaded holes are in one-to-one correspondence with the mounting holes.
9. The negative pressure saliva collection device of claim 8, wherein: the negative pressure fan is connected with the negative pressure cavity through a rubber hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920513846.3U CN209899450U (en) | 2019-04-16 | 2019-04-16 | Negative pressure saliva collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920513846.3U CN209899450U (en) | 2019-04-16 | 2019-04-16 | Negative pressure saliva collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209899450U true CN209899450U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920513846.3U Active CN209899450U (en) | 2019-04-16 | 2019-04-16 | Negative pressure saliva collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209899450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU208819U1 (en) * | 2021-08-09 | 2022-01-17 | федеральное государственное бюджетное образовательное учреждение высшего образования "Северный государственный медицинский университет" Министерства здравоохранения Российской Федерации | SALIVA COLLECTION DEVICE |
-
2019
- 2019-04-16 CN CN201920513846.3U patent/CN209899450U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU208819U1 (en) * | 2021-08-09 | 2022-01-17 | федеральное государственное бюджетное образовательное учреждение высшего образования "Северный государственный медицинский университет" Министерства здравоохранения Российской Федерации | SALIVA COLLECTION DEVICE |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Shengyou Inventor before: Zhang Shengyou Inventor before: Zhou Libo |
|
| CB03 | Change of inventor or designer information | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 041, floor 4, plant 7, phase II, No. 32, Dongfu Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123 Patentee after: Suzhou Saipu Biotechnology Co.,Ltd. Address before: Room 041, floor 4, plant 7, phase II, No. 32, Dongfu Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123 Patentee before: SUZHOU SP BIOTECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |