CN217931683U - Detection device - Google Patents

Abstract

The utility model provides a detection device, which comprises an absorption element, a collection cavity and an extrusion part positioned at the bottom of the collection cavity, wherein the absorption element can be extruded with the extrusion part; wherein, be equipped with the storage chamber in the lateral wall of extrusion portion, storage chamber and collection chamber intercommunication, the height that highly is less than the extrusion portion in intercommunication groove, absorbing element can laminate with the lateral wall of extrusion portion. By utilizing the sample detection device of the utility model, the sample released by the absorption element partially enters the collection cavity, and partially enters the storage cavity, the sample in the collection cavity directly contacts with the test element for detection, and the sample in the storage cavity is used for secondary detection and can not contact with the test element, thereby avoiding the problem of sample pollution; in addition, in the sampling process, an extra part is not needed for sampling, and only the sampling plug on the first shell needs to be opened, so that the sampling is very convenient.

Description

Detection device

Technical Field

The utility model relates to an in vitro short-term test technical field, especially collect and detect the device of analyzing the matter in the liquid sample in the quick diagnosis field, for example urine, saliva are collected and detection device.

Background

The following background description is only an introduction to the general knowledge in the background and should not be taken as limiting the invention.

Currently, many test devices for detecting whether a sample contains an analyte are used in hospitals or homes, and these test devices for rapid diagnosis include one or more test reagent strips, such as early pregnancy tests, drug abuse tests, and the like. The rapid diagnosis test device is convenient, and can obtain the test result on the test reagent strip within one minute or at most ten minutes.

Drug detection is widely used in drug administration, public security bureau, drug rehabilitation institute, physical examination center, and national physical examination department. The drug detection is various in types and frequent in times. Some require the collection of a sample and then require a specialized testing facility or testing laboratory to perform the test. Some people need to complete detection on site in time, for example, people who drive after taking poison (called poison driving for short) need to perform detection on site, and then obtain the detection result in time. And (4) detecting drugs, wherein the samples can be urine, sweat, hair and saliva samples.

The applicant submitted a patent of utility model granted on 4/1/2022: a liquid sample detection device, authorization notice number: CN216160648U, corresponding product of the patent: the sample detection device is characterized in that a notch is formed in the bottom of the first shell, a thin wall is arranged in the notch, and an operator can stretch into the notch through a pointed object to puncture the thin wall in the use process, so that a sample in the collection cavity in the first shell flows out for secondary detection of the sample. In this way, the secondary sampling is cumbersome and requires a self-contained spike, and in addition, the sample thus removed is exposed to the test element in the collection chamber, with the possibility of contamination of the sample.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the technical scheme adopted by the utility model is a detection device, which comprises an absorption element, a collection cavity and an extrusion part positioned at the bottom of the collection cavity, wherein the absorption element can be extruded with the extrusion part, a test element is arranged in the collection cavity, and the extrusion part is communicated with a communicating groove;

wherein, be equipped with the storage chamber in the lateral wall of extrusion portion, storage chamber and collection chamber intercommunication.

Further, the height of the communication groove is lower than the height of the pressing portion.

Further, the absorbing member can be attached to the side wall of the pressing portion.

Furthermore, the extrusion part is provided with a through hole communicated with the storage cavity.

Further, the cross-sectional area of the through hole is smaller than the cross-sectional area of the storage chamber.

Further, the storage chamber is provided with a third opening communicating with the outside.

Further, the sample detection device further comprises a sampling plug for sealing the third opening.

Furthermore, the extrusion part is provided with a first opening which is opened upwards, and the first opening is large in upper part and small in lower part and is in a circular truncated cone shape.

Further, the sample collector comprises a cover end, a rod body and a sampling end, wherein the collection cavity is provided with a second opening, the cover end can be used for covering the second opening of the collection cavity, and the sampling end is used for connecting the absorption element.

Furthermore, a first sealing ring is arranged on the covering end.

To sum up, the utility model has the advantages that: by utilizing the sample detection device of the utility model, the sample released by the absorption element partially enters the collection cavity, and partially enters the storage cavity, the sample in the collection cavity directly contacts with the test element for detection, and the sample in the storage cavity is used for secondary detection and can not contact with the test element, thereby avoiding the problem of sample pollution; in addition, in the sampling process, an extra part is not needed for sampling, and only the sampling plug on the first shell needs to be opened, so that the sampling is very convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the detection device in CN 216160648U;

fig. 2 is a schematic view of the overall structure of the detecting device of the present invention;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a schematic view of the sample collector not inserted into the collection well;

figure 5 is a schematic view of the sample collector inserted into the collection chamber.

Detailed Description

The structures referred to in the present invention or these terms of art used are further described below, and if not otherwise indicated, they are understood and explained by general terms commonly used in the art.

Grant utility model patent CN216160648U corresponding product: as shown in FIG. 1, the sample testing device is provided with a notch 29 at the bottom of the first housing 20, and a thin wall 28 is provided in the notch 29, so that an operator can insert a pointed object into the notch 29 to puncture the thin wall 28 during use, and the sample in the collection cavity 22 of the first housing 20 flows out for secondary sample testing. In this way it is cumbersome, requires the tip to be self-contained and the sample to be in contact with the test element in the collection chamber 22, which risks contamination of the sample.

The utility model provides a detection device, can solve above difficult problem, including absorbing element 99, collect chamber 22 and be located the extrusion portion 23 of collecting chamber 22 bottom position, thereby absorbing element 99 can release the sample that absorbing element 99 was gathered with the extrusion portion 23 extrusion, be equipped with test element in the collection chamber 22, extrusion portion 23 intercommunication is equipped with intercommunication groove 26, the effect of drainage can be played in intercommunication groove 26, the extrusion and the sample of release can contact with test element through the drainage of intercommunication groove 26 to carry out the detection of analyte matter. The utility model discloses in, be equipped with storage chamber 98 in the lateral wall of extrusion portion 23, storage chamber 98 and collection chamber 22 intercommunication, at the extrusion in-process of absorbing element 99 and extrusion portion 23, the sample part that absorbing element 99 released enters into and collects chamber 22, and the part enters into storage chamber 98, and the sample in collecting chamber 22 directly detects with the test element contact, and the sample in the storage chamber 98 is used for the secondary to detect, can not contact with the test element.

Preferably, the height of the communication groove 26 is lower than the height of the pressing portion 23, so that the sample released by the pressing of the absorbent member 99 flows into the communication groove 26 as much as possible.

Preferably, the absorbent member 99 can engage the side wall of the squeezing portion 23, such that when the absorbent member 99 is in a squeezed state, the absorbent member 99 can act as a partition to prevent the sample in the storage chamber 98 from entering the collection chamber 22, or the sample in the collection chamber 22 from entering the storage chamber 98, as shown in FIG. 5.

Preferably, the pressing portion 23 is provided with a leading through hole 89 communicating with the storage chamber 98, and the sample in the collection chamber 22 enters the storage chamber 98 through the leading through hole 89. Further, the cross-sectional area of the through hole 89 in the vertical plane is smaller than the cross-sectional area of the storage chamber 98, which makes it difficult for the sample that has entered the storage chamber 98 to flow out of the through hole 89.

Preferably, the storage chamber 98 is provided with a third opening 97 in communication with the outside, and the third opening 97 facilitates the removal of the sample from the storage chamber 98 by an operator, including but not limited to, pouring the first housing 20. Further, the sample testing device further comprises a sampling plug 96, and the sampling plug 96 is used for sealing the third opening 97.

Preferably, the pressing portion 23 is provided with a first opening 24 which is opened upwards, the first opening 24 is large in upper part and small in lower part and is in a circular truncated cone shape, when the absorption element 99 contacts with the pressing portion 23 to press a sample, in addition to the pressing of the absorption element 99 and the bottom of the pressing portion 23, the circular truncated cone-shaped first opening 24 can press the side portion of the absorption element 99, so that the pressing efficiency is improved, more liquid samples can be released, and a certain collecting effect on the samples can be achieved.

Preferably, the testing device further comprises a sample collector 30, the sample collector 30 is used for collecting a sample, the sample collector 30 comprises a cover end 31, a rod 32 and a sampling end 33, the cover end 31 can be used for covering the second opening 88 of the collection cavity 22 to prevent the sample in the collection cavity 22 from leaking, the sampling end 33 is used for connecting an absorbent member 99, the absorbent member 99 can be a nontoxic sponge with strong water absorption, the absorbent member 99 and the sampling end 33 can be bonded by special glue, when the sample collector 30 is inserted into the collection cavity 22 along the second opening 88 of the collection cavity 22, an absorbent member (not shown) on the sampling end 33 is pressed against the bottom of the collection cavity 22, the sample is squeezed out of the absorbent member, the liquid sample in the absorbent member is squeezed out continuously along with the continuous downward movement of the sample collector 30 until the cover end 31 completely covers the second opening 88 of the collection cavity 22, and at this time, the sample collector 30 cannot move downwards continuously, and the absorbent member is also in a squeezed state.

Preferably, in order to enable the covering end 31 to better cover the second opening 88 of the collection cavity 22, the covering end 31 is provided with the first sealing ring 34, the first sealing ring 34 has elasticity, so that the sealing between the covering end 31 and the second opening 88 of the collection cavity 22 can be well realized, and the liquid sample is prevented from flowing out. Meanwhile, the first sealing ring 34 increases the friction force to prevent the covering end 31 from being easily separated from the second opening 88 of the collection chamber 22, and when the covering end 31 covers the second opening 88 of the collection chamber 22, the absorption element 99 is always in a compressed state, so that the liquid sample can be continuously released into the collection chamber 22.

Preferably, the test device further comprises a test element, which is arranged on a carrier 40, which carrier has a number of recesses, in which the test element is located.

Preferably, the collection chamber 22 of the detection device is disposed in the first housing 20, the collection chamber 22 is a place for accommodating a sample, and the carrier 40 is inserted into the collection chamber 22 from the second opening 88 at the upper side of the first housing 20.

Preferably, the detection device further comprises a connector 37, and the connector 37 is disposed on the cover end 31.

Preferably, the detection device further comprises a cover 80, and the cover 80 can be connected to the connection head 37.

Preferably, the detecting device further comprises a protecting element 70, the protecting element 70 is used for limiting the cover body 80 from rotating excessively, and the protecting element 70 can be installed between the cover body 80 and the covering end 31.

The above description is only the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through creative work should be covered within the protection scope of the present invention, and therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

The utility model shown and described herein may be implemented in the absence of any element, limitation, or limitations specifically disclosed herein. The terms and expressions which have been employed are used as terms of description and not of limitation, and there is no intention in the use of such terms and expressions of excluding any equivalents of the features shown and described or portions thereof, but it is recognized that various modifications are possible within the scope of the invention. It should therefore be understood that although the present invention has been specifically disclosed by various embodiments and optional features, modification and variation of the concepts herein described may be resorted to by those skilled in the art, and that such modifications and variations are considered to be within the scope of this invention as defined by the appended claims.

The contents of the articles, patents, patent applications, and all other documents and electronically available information described or cited herein are hereby incorporated by reference in their entirety to the same extent as if each individual publication was specifically and individually indicated to be incorporated by reference. Applicants reserve the right to incorporate into this application any and all materials and information from any such articles, patents, patent applications, or other documents.

Claims (10)

1. A detection device is characterized by comprising an absorption element, a collection cavity and a squeezing part positioned at the bottom of the collection cavity, wherein the absorption element can be squeezed with the squeezing part;

wherein, be equipped with the storage chamber in the lateral wall of extrusion portion, storage chamber and collection chamber intercommunication.

2. The detecting device according to claim 1, wherein the height of the communicating groove is lower than the height of the pressing portion.

3. A testing device according to claim 1 wherein the absorbent member is adapted to engage the side wall of the squeezing portion.

4. A testing device according to claim 1, wherein the pressing portion is provided with a through hole communicating with the reservoir.

5. A testing device according to claim 4 wherein the cross-sectional area of the conducting aperture is less than the cross-sectional area of the reservoir.

6. A testing device according to claim 1 wherein the storage chamber is provided with a third opening communicating with the exterior.

7. The testing device of claim 6, wherein the sample testing device further comprises a sampling plug for sealing the third opening.

8. The detecting device for detecting the rotation of a motor rotor as claimed in claim 1, wherein the pressing portion is provided with a first opening which is opened upwards, and the first opening is large in the upper part and small in the lower part and is in a circular truncated cone shape.

9. The test device of claim 1, further comprising a sample collector comprising a cover end, a body, and a sampling end, wherein the collection well has a second opening, the cover end is adapted to cover the second opening of the collection well, and the sampling end is adapted to be coupled to the absorbent member.

10. A testing device according to claim 9 wherein the capped end is provided with a first sealing ring.

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