CN215349095U

CN215349095U - Device for collecting new coronavirus nucleic acid in breath

Info

Publication number: CN215349095U
Application number: CN202120889303.9U
Authority: CN
Inventors: 李万帅
Original assignee: Changzhou Guoyao Medical Laboratory Co ltd
Current assignee: Changzhou Guoyao Medical Laboratory Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-31
Anticipated expiration: 2031-04-27

Abstract

The utility model belongs to the field of medical instruments, and relates to a device for collecting new coronavirus nucleic acid in breath, which comprises: the breathing mask comprises a breathing mask body, an adsorption filter element and a push-out assembly, wherein the front part of the breathing mask body is provided with an air outlet pipe, the air outlet pipe is in threaded connection with a sleeve cover, and the front end of the sleeve cover is provided with a plurality of air holes; the adsorption filter element comprises a circular ring, filling powder, a silica gel adsorption film and two moisture absorption layers, wherein the two moisture absorption layers are symmetrically arranged on the inner wall of the circular ring, a filling space is formed between the circular ring and the two moisture absorption layers, the filling powder is formed by evaporating a solution with pH of 6.0 dissolved by sodium chloride, sodium dihydrogen phosphate, disodium hydrogen phosphate and sodium deoxycholate, and is filled in the filling space, and the silica gel adsorption film is positioned in the filling space; the adsorption filter element is arranged in the sleeve cover, and the push-out assembly is arranged in the front of the sleeve cover and used for pushing out the adsorption filter element from the sleeve cover. The utility model not only reduces the labor intensity of medical staff, but also improves the sampling efficiency.

Description

Device for collecting new coronavirus nucleic acid in breath

Technical Field

The utility model relates to the field of medical instruments, in particular to a device for collecting new coronavirus nucleic acid in breath.

Background

In the environment of spreading new crown epidemic situation, people actively conduct nucleic acid detection to investigate in order to avoid large-scale virus infection. Present nucleic acid testing is through getting the sample of inspector's saliva or pharynx swab to carry out the analysis, and two above samples all need medical staff to gather with the cotton swab initiative, and the efficiency that leads to the sample like this is restricted, and medical staff's intensity of labour is also very big, if can directly let inspector oneself collect good retransmission with nucleic acid in advance for medical staff, can improve the efficiency of sample like this greatly, and medical staff has also reduced intensity of labour.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to solve the problem that the sampling efficiency is influenced by the way that the medical staff sequentially collects saliva or throat swab samples of a detector by using cotton swabs, and the labor intensity of the medical staff is very high, the utility model provides a device for collecting new corona virus nucleic acid in expiration.

The present invention provides a device for collecting novel coronavirus nucleic acids in breath comprising: the respiratory mask comprises an expiratory mask, an adsorption filter element and a push-out assembly, wherein the front part of the expiratory mask is provided with an air outlet pipe, the air outlet pipe is in threaded connection with a sleeve cover, the front end of the sleeve cover is provided with a plurality of air holes, and the adsorption filter element is used for adsorbing new coronavirus nucleic acid in expiration; the adsorption filter element comprises a circular ring, filling powder, a silica gel adsorption film and two moisture absorption layers, wherein the two moisture absorption layers are symmetrically arranged on the inner wall of the circular ring, a filling space is formed between the circular ring and the two moisture absorption layers, the filling powder is formed by evaporating a solution of sodium chloride, sodium dihydrogen phosphate, disodium hydrogen phosphate and sodium deoxycholate dissolved to form PH6.0, the filling powder is filled in the filling space, and the silica gel adsorption film is positioned in the filling space; the adsorption filter element is arranged in the sleeve cover, and the push-out assembly is arranged at the front part of the sleeve cover and used for pushing the adsorption filter element out of the sleeve cover; airflow exhaled by a detector can enter the adsorption filter element, then the silica gel adsorption film surface modified silica hydroxyl adsorbs viruses in the environment with high salt and low pH value, the detector can finish the operation in one place, medical staff only need to disassemble the sleeve cover and take out the adsorption filter element, and then the silica gel adsorption film in the adsorption filter element can be taken out. After the respirator is used, the respirator and the sleeve cover can be disinfected, and then a new adsorption filter element is placed in the sleeve cover to realize repeated use.

Specifically, the moisture absorption layer is a moisture absorption sponge.

Specifically, the release subassembly is including supporting clamping ring, cross to pressure disk and push rod, the external diameter that supports the clamping ring is the same with the external diameter of ring, it is located the upper shield inner wall and adsorbs between the filter core to support the clamping ring, the cross supports the pressure disk and fixes on supporting the pressure inner wall, the push rod is the horizontal slip setting in the front portion of upper shield to the one end and the cross of push rod support pressure disk fixed connection.

Specifically, the other end of the push rod is provided with a push handle.

Specifically, the outer wall of the sleeve cover is provided with anti-skid grains.

Specifically, be equipped with the ear area go-between that two symmetries set up on the breathing mask, be equipped with the ear area that can dismantle on the ear area go-between.

The utility model has the beneficial effects that:

firstly, according to the device for collecting the new coronavirus nucleic acid in the breath, a detector can collect the virus nucleic acid by using the breath mask, after the detector breathes out air, the adsorption filter element is gradually wetted by the breath, so that the silica hydroxyl modified on the surface of the silica gel adsorption film in the filling space adsorbs the virus in the environment with high salt and low pH value, the detector can finish the steps independently, medical staff only need to detach the sleeve cover and then take out the silica gel adsorption film in the adsorption filter element, the labor intensity of the medical staff is reduced, and the sampling efficiency is improved.

Secondly, according to the device for collecting the new coronavirus nucleic acid in the breath, the breath mask and the sleeve cover can be used for multiple times after being sterilized, and the virus of a new detector can be collected again only by placing a new adsorption filter element in the sleeve cover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of the present invention,

FIG. 2 is a schematic perspective view of the present invention,

figure 3 is a partially broken away schematic view of the present invention,

figure 4 is a partial cross-sectional view of the present invention,

FIG. 5 is a cross-sectional view of an adsorbent cartridge;

reference numerals: the breathing mask comprises a breathing mask 1, an ear belt connecting ring 11, an adsorption filter element 2, a circular ring 21, filling powder 22, a silica gel adsorption film 23, a moisture absorption layer 24, a push-out component 3, a pressing ring 31, a cross pressing plate 32, a push rod 33, a push handle 34, a gas outlet pipe 4, a sleeve cover 5, a vent hole 51 and anti-skid grains 52.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

As shown in fig. 1-5, a device for collecting new coronavirus nucleic acid in breath comprises: the respiratory mask comprises an respiratory mask 1, an adsorption filter element 2 and a push-out component 3, wherein the front part of the respiratory mask 1 is provided with an air outlet pipe 4, the air outlet pipe 4 is in threaded connection with a sleeve cover 5, the front end of the sleeve cover 5 is provided with a plurality of air holes 51, and the adsorption filter element 2 is used for adsorbing new coronavirus nucleic acid in breath; the adsorption filter element 2 comprises a circular ring 21, filling powder 22, a silica gel adsorption film 23 and two moisture absorption layers 24, wherein the two moisture absorption layers 24 are symmetrically arranged on the inner wall of the circular ring 21, a filling space is formed between the circular ring 21 and the two moisture absorption layers 24, the filling powder 22 is powder formed by evaporating a solution with pH6.0 dissolved by sodium chloride, sodium dihydrogen phosphate, disodium hydrogen phosphate and sodium deoxycholate, the filling powder 22 is filled in the filling space, and the silica gel adsorption film 23 is positioned in the filling space; adsorption filter core 2 sets up in the ways cover 5, and the subassembly 3 that pushes out sets up in the anterior of ways cover 5 for it pushes out in the ways cover 5 to adsorb filter core 2.

The working principle is that a detector can cover the mouth and the nose of the detector by using the breathing mask 1, the air flow exhaled by the detector can enter the adsorption filter element 2, moisture can be collected by the moisture absorption layer 24, and after the moisture enters the filling powder 22, the silica hydroxyl modified on the surface of the silica gel adsorption film 23 is used for adsorbing viruses in the environment with high salt and low pH value; after a certain time, medical staff collects the breathing mask 1, then the sleeve cover 5 is disassembled, the adsorption filter element 2 in the sleeve cover 5 is taken out through the push-out component 3, the adsorption filter element 2 is disassembled to take out the silica gel adsorption film 23, the silica gel adsorption film 23 is directly put into the EP pipe, and the PCR instrument is used for analysis.

Preferably, the respirator 1 and the cover 5 can be used once or repeatedly after being sterilized, and a new adsorption filter element 2 is placed in the cover 5 before each use.

In one embodiment, the absorbent layer 24 is an absorbent sponge; the absorbent sponge has a better moisture absorption effect, allowing moisture to penetrate into the filler powder 22 more quickly.

In a specific embodiment, the pushing-out assembly 3 includes a pressing ring 31, a cross pressing plate 32 and a push rod 33, the outer diameter of the pressing ring 31 is the same as the outer diameter of the circular ring 21, the pressing ring 31 is located between the inner wall of the sleeve cover 5 and the adsorption filter element 2, the cross pressing plate 32 is fixed on the pressing inner wall, the push rod 33 is horizontally slidably arranged at the front part of the sleeve cover 5, and one end of the push rod 33 is fixedly connected with the cross pressing plate 32; pushing the push rod 33, wherein the push rod 33 drives the cross pressing disc 32 and the pressing ring 31 to push the adsorption filter element 2, and the pressing ring 31 presses the circular ring 21 to move; if the outer diameter of the pressing ring 31 is smaller than the inner diameter of the ring 21, the pressing ring 31 directly presses on the moisture absorption sponge, which is soft and cannot bear excessive force, so that the outer diameter of the pressing ring 31 is the same as the outer diameter of the ring 21 and is the optimal size.

In one embodiment, the other end of the push rod 33 is provided with a push handle 34; the end of the push rod 33 is relatively sharp, and the medical staff can feel painful when directly pushing the push rod with fingers, so the push handle 34 is designed to increase the contact area of the push rod 33 and the handle of the medical staff.

In one embodiment, the outer wall of the cap 5 is provided with anti-slip lines 52; the convenience of disassembling the sleeve cover 5 is improved.

In a specific embodiment, two symmetrically arranged ear belt connecting rings 11 are arranged on the exhalation mask 1, and detachable ear belts are arranged on the ear belt connecting rings 11; the examiner can directly press the breathing mask 1 by hand and then fix the breathing mask 1 by hanging the breathing mask on the ears of the examiner through the ear bands.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A device for collecting neocoronavirus nucleic acid in breath, comprising: the breathing mask comprises a breathing mask (1), an adsorption filter element (2) and a push-out assembly (3), wherein the front part of the breathing mask (1) is provided with an air outlet pipe (4), the air outlet pipe (4) is in threaded connection with a sleeve cover (5), the front end of the sleeve cover (5) is provided with a plurality of air holes (51), and the adsorption filter element (2) is used for adsorbing new corona virus nucleic acid in breath;

the adsorption filter element (2) comprises a circular ring (21), filling powder (22), a silica gel adsorption film (23) and two moisture absorption layers (24), wherein the two moisture absorption layers (24) are symmetrically arranged on the inner wall of the circular ring (21), a filling space is formed between the circular ring (21) and the two moisture absorption layers (24), the filling powder (22) is powder formed by evaporating a solution with pH6.0 dissolved by sodium chloride, sodium dihydrogen phosphate, disodium hydrogen phosphate and sodium deoxycholate, the filling powder (22) is filled in the filling space, and the silica gel adsorption film (23) is positioned in the filling space;

adsorption filter core (2) set up in upper shield (5), it sets up in the front portion of upper shield (5) to push out subassembly (3) for release adsorption filter core (2) from upper shield (5) in.

2. The device for collecting neocoronavirus nucleic acid in breath according to claim 1, wherein: the moisture absorption layer (24) is a moisture absorption sponge.

3. The device for collecting neocoronavirus nucleic acid in breath according to claim 1, wherein: the push-out subassembly (3) supports pressure disk (32) and push rod (33) including supporting clamping ring (31), cross, the external diameter that supports clamping ring (31) is the same with the external diameter of ring (21), it is located between cover (5) inner wall and the absorption filter core (2) to support clamping ring (31), the cross supports pressure disk (32) and fixes on supporting pressing the inner wall, push rod (33) are the horizontal slip setting in the front portion of cover (5) to the one end and the cross of push rod (33) support pressure disk (32) fixed connection.

4. The device for collecting neocoronavirus nucleic acid in breath according to claim 3, wherein: the other end of the push rod (33) is provided with a push handle (34).

5. The device for collecting neocoronavirus nucleic acid in breath according to claim 1, wherein: the outer wall of the sleeve cover (5) is provided with anti-skid grains (52).

6. The device for collecting neocoronavirus nucleic acid in breath according to claim 1, wherein: be equipped with ear area go-between (11) that two symmetries set up on expiratory mask (1), be equipped with the ear area that can dismantle on ear area go-between (11).