CN210863265U - A quick sampling device for medical science inspection - Google Patents
A quick sampling device for medical science inspection Download PDFInfo
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- CN210863265U CN210863265U CN202020532691.0U CN202020532691U CN210863265U CN 210863265 U CN210863265 U CN 210863265U CN 202020532691 U CN202020532691 U CN 202020532691U CN 210863265 U CN210863265 U CN 210863265U
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Abstract
The utility model discloses a quick sampling device for medical examination, which comprises a main body, wherein the main body is a cylindrical cavity, one end of the main body is provided with a first opening, the side wall of one end of the main body, which is far away from the first opening, is provided with a sampling tube, the sampling tube is a cylindrical cavity, the sampling tube penetrates through the side wall of the main body, and the sampling tube is fixedly connected with the main body, the center of one end of the sampling tube, which is positioned at the outer side of the main body, is provided with a connecting tube, the outer side wall of the connecting tube is spliced with a sampling nozzle, the inner side wall of the sampling tube is connected with a first piston in a sliding way, the utility model discloses a main body, one end of the main body is provided with a second piston and a second spring, and a push rod is arranged on the second spring, so that after sampling is completed, the second piston is pressed to enable the air in, thereby generating excessive air to push out the sample and avoiding the residue of the sample.
Description
Technical Field
The utility model relates to the technical field of medical equipment, the concrete field is a quick sampling device for medical inspection.
Background
Medical testing is a science of performing microbiological, immunological, biochemical, genetic, hematological, biophysical, cytological, etc. tests on materials taken from the human body to provide information for the prevention, diagnosis, treatment of human diseases and assessment of human health. Along with the continuous development of medical science inspection technique, the sampling requirement of medical science inspection is also higher and higher, and the sample kind is also more and more various, and some sampling process only needs the coarse quantity, and some sampling process then needs accurate, a small amount or trace. Even if the sampling is coarse, some inspection items can be improved, but the lagging of the equipment limits the development of the method.
At present, the sampling device used in medicine has the problems of difficult sampling and inaccurate sampling in the using process, particularly, the sampling error is difficult to be perceived when the sample volatilizes and is misoperation, so that the inspection result has deviation or serious influence, even medical accidents are caused, and the precision of the medical inspection is important, so that the sampling device is closely related to the daily life of people.
Among the prior art, the sampling device majority comprises sleeve pipe and piston, changes the inside atmospheric pressure of sleeve pipe through the removal of piston to reach the purpose of sample, need emit article after the sample, and because the sample quantity is less, make the inside air quantity of sleeve pipe also less, thereby when the piston removes, the inside air of sleeve pipe is not enough with the sample is whole extrudes, form and remain, cause the error, for this reason, provide a quick sampling device for medical inspection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick sampling device for medical science inspection to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a quick sampling device for medical examination comprises a main body, wherein the main body is a cylindrical cavity, a first opening is arranged at one end of the main body, a sampling tube is arranged on the side wall of one end, far away from the first opening, of the main body, the sampling tube is a cylindrical cavity and penetrates through the side wall of the main body, the sampling tube is fixedly connected with the main body, a connecting tube penetrates through the center of one end, located on the outer side of the main body, of the sampling tube, a sampling nozzle is inserted into the outer side wall of the connecting tube, a first piston is slidably connected to the inner side wall of the sampling tube, a first through hole penetrates through the end face of the first piston, a first check valve is arranged on the inner side wall of the first through hole, a first spring is arranged between the first piston and the sampling tube, a second opening is arranged at one end, far away from the connecting tube, of the sampling tube, and a second piston is slidably connected to one end, the terminal surface of second piston runs through and is equipped with the second through-hole, the inside wall fixedly connected with second check valve of second through-hole, the second piston orientation a side surface of sampling tube is equipped with the one end of ejector pin, the other end of ejector pin is located the inside of sampling tube, the second piston with be equipped with the second spring between the main part.
Preferably, the ejector rod and the first through hole are located on the same axis, and the diameter of the ejector rod is larger than that of the first through hole.
Preferably, a sealing gasket is arranged on the surface of one end, close to the sampling tube, of the ejector rod.
Preferably, the outer surface of the ejector rod is provided with threads, the ejector rod penetrates through the end face of the second piston, and the ejector rod is in threaded connection with the second piston.
Preferably, one end of the ejector rod, which is positioned on the outer side of the main body, is fixedly connected with a pressing plate.
Preferably, the main body and the sampling tube are both made of transparent materials.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a quick sampling device for medical science inspection, through setting up the sampling tube, set up first spring and piston at the inside sampling tube of taking a sample, the removal through the piston changes the inside atmospheric pressure of sampling tube, reach the purpose of sample, through setting up the main part, set up second piston and second spring in main part one end, set up the push rod on the second spring, thereby after the sample is accomplished, press the second piston, make the inside air of main part get into the sampling tube by the first check valve on the first piston insidely, thereby it releases the sample to produce excessive air, the residue of sample has been avoided.
Drawings
Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;
fig. 2 is a schematic top view of the cross-sectional structure of the present invention;
fig. 3 is a schematic view of the structure of the present invention.
In the figure: 1-main part, 2-first opening, 3-sampling tube, 4-connecting tube, 5-sampling nozzle, 6-first piston, 7-first through hole, 8-first check valve, 9-first spring, 10-second opening, 11-second piston, 12-second through hole, 13-second check valve, 14-ejector pin, 15-second spring, and 16-pressing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a quick sampling device for medical examination comprises a main body 1, wherein the main body 1 is a cylindrical cavity body and is convenient to hold, a first opening 2 is arranged at one end of the main body 1, a sampling tube 3 is arranged on the side wall of one end, far away from the first opening 2, of the main body 1, the sampling tube 3 is a cylindrical cavity body, the sampling tube 3 penetrates through the side wall of the main body 1, the sampling tube 3 is fixedly connected with the main body 1, the sampling tube 3 is coaxially arranged with the main body 1, a connecting tube 4 penetrates through the center of one end, located at the outer side of the main body 1, of the sampling tube 3, a sampling nozzle 5 is inserted into the outer side wall of the connecting tube 4, the sampling nozzle 5 is a disposable article, and when sampling is carried out, a sample enters the sampling nozzle 5 from one end, far away from the main body 1, of the sampling nozzle 5 and does not enter the sampling tube 3, only need change sample mouth 5 after the sample is accomplished can, the inside wall sliding connection of sampling tube 3 has first piston 6, first piston 6 can the inside slip of sampling tube 3 to change the inside atmospheric pressure of sampling tube 3, the terminal surface of first piston 6 runs through and is equipped with first through-hole 7, the inside wall of first through-hole 7 is equipped with first check valve 8, first check valve 8 makes the outside air can get into between sampling tube 3 and the first piston 6, namely the inside gas of main part 1 can get into inside the sampling tube 3 by first check valve 8, when promoting on the sampling tube 3 during first piston 6, the inside gas of sampling tube 3 can not by first check valve 8 runs out simultaneously, first piston 6 with be equipped with first spring 9 between the sampling tube 3, first spring 9 is located the inside of sampling tube 3, the one end that connecting pipe 4 was kept away from to sampling tube 3 is equipped with second opening 10, the one end sliding connection that the inside wall of main part 1 corresponds first opening 2 has second piston 11, the terminal surface of second piston 11 runs through and is equipped with second through-hole 12, the inside wall fixedly connected with second check valve 13 of second through-hole 12, second check valve 13 makes outside air possess second check valve 13 gets into the inside of main part 1 to when second piston 11 moves to the outside, the air is got into the inside of main part 1 by second check valve 13, prevent that second piston 11 from producing the condition that can't reset, second piston 11 is equipped with the one end of ejector pin 14 towards one side surface of sampling tube 3, the other end of ejector pin 14 is located the inside of sampling tube 3, second piston 11 with be equipped with second spring 15 between the main part 1, the second spring 15 is located inside the body 1 and outside the sampling tube 3.
Specifically, the ejector 14 and the first through hole 7 are located on the same axis, and the diameter of the ejector 14 is larger than that of the first through hole 7, so that when the second piston 11 is pressed, the ejector 14 is firstly blocked with the first through hole 7, and after the first piston 6 is pushed by the ejector 14, the first piston 6 is reset under the action of the first spring, and at the moment, the first through hole 7 is still in a sealed state, so that air inside the main body 1 is prevented from being sucked into the sampling tube 3, and sampling inaccuracy is prevented.
Specifically, the surface of one end, close to the sampling tube 3, of the ejector rod 14 is provided with a sealing gasket, so that the sealing effect is improved.
Specifically, the outer surface of the push rod 14 is provided with a thread, the push rod 14 penetrates through the end surface of the second piston 11, and the push rod 14 is screwed with the second piston 11, so that the position of the push rod 14 can be changed, the distance moved by the push rod 14 to push the first piston 6 when the first piston 11 is fully pressed can be controlled, and the sampling amount can be controlled.
Particularly, one end of the ejector rod 14, which is located outside the main body 1, is fixedly connected with a pressing plate 16, so that the ejector rod 14 is convenient to adjust and is convenient to press.
Particularly, the main body 1 and the sampling tube 3 are made of transparent materials, so that the position of the ejector rod 14 is convenient to observe, and the sampling amount is convenient to adjust.
The working principle is as follows: the utility model discloses during the use, put into with sample nozzle 5 and treat back in the sample liquid, press second piston 11, second piston 11 removes to one end distance after, ejector pin 14 and the contact of first match 6, promote first piston 6 and remove, thereby release the inside air of sampling tube 3, can't continue to promote after second piston 11 contacts with sampling tube 3, loosen second piston 11, first piston 6 resets under first spring 9's effect, inhale liquid by sample nozzle 5, when liquid is emitted to needs, press second piston 11 equally, the inside air of main part 1 this moment is got into in sampling tube 3 by first check valve 8, ejector pin 14 promotes first piston 6 simultaneously and makes first piston 6 remove, thereby inject excessive gas in sampling tube 3, make sampling tube 3 can get rid of the inside liquid of sample nozzle 5 completely.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A rapid sampling device for medical examinations, comprising a main body (1), characterized in that: the sampling device is characterized in that the main body (1) is a cylindrical cavity, a first opening (2) is arranged at one end of the main body (1), a sampling tube (3) is arranged on the side wall of one end, far away from the first opening (2), of the main body (1), the sampling tube (3) is a cylindrical cavity, the sampling tube (3) penetrates through the side wall of the main body (1), the sampling tube (3) is fixedly connected with the main body (1), a connecting tube (4) penetrates through the center of one end, located on the outer side of the main body (1), of the sampling tube (3), a sampling nozzle (5) is inserted into the outer side wall of the connecting tube (4), a first piston (6) is slidably connected with the inner side wall of the sampling tube (3), a first through hole (7) penetrates through the end face of the first piston (6), a first check valve (8) is arranged on the inner side wall of the first through hole (7), a first spring (9) is arranged between the first piston (6) and the sampling tube (, sampling tube (3) are kept away from the one end of connecting pipe (4) is equipped with second opening (10), the inside wall of main part (1) corresponds the one end sliding connection of first opening (2) has second piston (11), the terminal surface of second piston (11) runs through and is equipped with second through-hole (12), the inside wall fixedly connected with second check valve (13) of second through-hole (12), second piston (11) orientation a side surface of sampling tube (3) is equipped with the one end of ejector pin (14), the other end of ejector pin (14) is located the inside of sampling tube (3), second piston (11) with be equipped with second spring (15) between main part (1).
2. A rapid sampling device for medical testing according to claim 1, characterized in that: the ejector rod (14) and the first through hole (7) are located on the same axis, and the diameter of the ejector rod (14) is larger than that of the first through hole (7).
3. A rapid sampling device for medical testing according to claim 2, characterized in that: and a sealing gasket is arranged on the surface of one end, close to the sampling tube (3), of the ejector rod (14).
4. A rapid sampling device for medical testing according to claim 1, characterized in that: the outer surface of the ejector rod (14) is provided with threads, the ejector rod (14) penetrates through the end face of the second piston (11), and the ejector rod (14) is in threaded connection with the second piston (11).
5. A rapid sampling device for medical testing according to claim 4, characterized in that: one end of the ejector rod (14) positioned at the outer side of the main body (1) is fixedly connected with a pressing plate (16).
6. A rapid sampling device for medical testing according to claim 1, characterized in that: the main body (1) and the sampling tube (3) are made of transparent materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020532691.0U CN210863265U (en) | 2020-04-13 | 2020-04-13 | A quick sampling device for medical science inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020532691.0U CN210863265U (en) | 2020-04-13 | 2020-04-13 | A quick sampling device for medical science inspection |
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| Publication Number | Publication Date |
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| CN210863265U true CN210863265U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020532691.0U Active CN210863265U (en) | 2020-04-13 | 2020-04-13 | A quick sampling device for medical science inspection |
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| CN (1) | CN210863265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557129A (en) * | 2020-12-26 | 2021-03-26 | 华油天然气广元有限公司 | Quick sampling tube of natural gas |
| CN115962976A (en) * | 2022-12-30 | 2023-04-14 | 吉林省药品检验研究院 | Standard sampling device for medicine inspection |
-
2020
- 2020-04-13 CN CN202020532691.0U patent/CN210863265U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557129A (en) * | 2020-12-26 | 2021-03-26 | 华油天然气广元有限公司 | Quick sampling tube of natural gas |
| CN112557129B (en) * | 2020-12-26 | 2024-03-15 | 华油天然气广元有限公司 | Quick sampling tube for natural gas |
| CN115962976A (en) * | 2022-12-30 | 2023-04-14 | 吉林省药品检验研究院 | Standard sampling device for medicine inspection |
| CN115962976B (en) * | 2022-12-30 | 2023-08-22 | 吉林省药品检验研究院 | Standard substance sampling device for medicine inspection |
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