CN108272473B

CN108272473B - Electric saliva collector

Info

Publication number: CN108272473B
Application number: CN201810173988.XA
Authority: CN
Inventors: 叶嘉明; 汪根正; 孔兵; 高丽娟
Original assignee: Hangzhou Tinker Biotechnology Co ltd
Current assignee: Hangzhou Tinker Biotechnology Co ltd
Priority date: 2018-03-02
Filing date: 2018-03-02
Publication date: 2020-11-27
Anticipated expiration: 2038-03-02
Also published as: CN108272473A

Abstract

The invention discloses an electric saliva collector, which comprises: collecting a sample feeding device and a machine body control device; the collection sampling device is detachably arranged at the bottom of the machine body control device; the automatic saliva collector is simple in design and easy to operate, manual operation steps of a user are reduced, the sample is prevented from being polluted by the external environment, and foam and impurities in saliva can be removed by the filter system, so that an ideal saliva sample is finally obtained.

Description

Electric saliva collector

Technical Field

The invention relates to the technical field of medical inspection, in particular to an electric saliva collector.

Background

The most convenient sampling mode for gene detection is saliva, and then blood; the current popular detection mode is to carry out detection by collecting saliva samples, and compared with blood collection, saliva collection is more convenient and free, and the acceptance of users is higher;

however, the saliva sample collection often introduces an external sample due to a plurality of manual operation steps of a user, so that the saliva sample is polluted, and the detection result is deviated. The saliva collector is electrically controlled, impurities and air bubbles of saliva can be filtered and separated out to obtain a clarified and bubble-free sample after the sample is placed into the collecting tube, and the saliva collector has the characteristic of preventing secondary pollution.

Therefore, how to provide an electric saliva collector which can conveniently collect clear saliva without impurities and air bubbles and prevent secondary pollution is a problem which needs to be solved by the technical personnel in the field.

Disclosure of Invention

In view of the above, the invention provides an electric saliva collector, which can electrically control the collection of saliva, and avoid the introduction of external samples due to more manual operation steps of users, thereby effectively preventing the saliva sample from secondary pollution; and can carry out edulcoration and filtration bubble to the saliva sample of collecting and handle, obtain comparatively clear saliva sample to make the testing result more accurate reliable.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electric saliva collector comprising: collecting a sample feeding device and a machine body control device; the collection sampling device is detachably arranged at the bottom of the machine body control device;

the collection sampling device comprises: the device comprises a suction head, a sample outlet pipe, a filter block, filter cotton, a filter body, a sponge rod, a collection pipe, a limiting ring, a piston rod and a magnet with holes; the collecting pipe is detachably arranged at the bottom of the machine body control device in an inserting and rotating mode, the piston rod is tightly matched with the inner wall of the collecting pipe, the magnet with the hole is fixed at the tail part of the piston rod, and the limiting ring is arranged in the middle of the piston rod; the sponge rod, the filtering body, the filtering block and the filtering cotton are sequentially arranged in the collecting pipe from top to bottom, and a through flow channel is arranged in the center of the filtering body; the bottom end of the collecting pipe is sequentially provided with the sample outlet pipe and the suction head;

the body control device includes: the device comprises a circular magnet, a gear, a rack push rod, an induction magnet I, a Hall switch, a main control board, a sample returning button, an induction magnet II, a sample adding button, a Hall PCB (printed circuit board), a storage battery, a power indicator lamp, a power switch, a stepping motor, a USB (universal serial bus) interface and a shell; the circular magnet is fixed at the front end of the rack push rod, the induction magnet I is fixed at the tail end of the rack push rod, and the circular magnet fixed at the front end of the rack push rod is adsorbed to the magnet with the hole fixed at the tail part of the piston rod; the main control board controls the stepping motor to rotate, the stepping motor is in transmission connection with the gear, and the gear drives the rack push rod to move up and down to enable the piston rod to extrude the sponge rod;

the Hall switch, the sample returning button, the sample adding button, the Hall PCB, the storage battery, the power indicator lamp, the power switch, the stepping motor and the USB interface are electrically connected with the main control board and are all positioned in the shell; the sample adding button and the sample returning button are respectively positioned at the top and the side of the shell; the Hall switch is positioned at the top of the movable cavity of the rack push rod and is matched with the induction magnet I to work; and one side of the bottom of the sample adding button is provided with the induction magnet II, and the induction magnet II is matched with the Hall PCB arranged in the movable cavity of the sample adding button to work.

The saliva collection is electrically controlled, so that the introduction of external samples due to more manual operation steps of a user is avoided, and the secondary pollution to the saliva sample is effectively prevented; and can carry out edulcoration and filtration bubble to the saliva sample of collecting and handle, obtain comparatively clear saliva sample to make the testing result more accurate reliable, if the saliva sample volume is too much, press back the appearance button and can suitably suck back the saliva sample.

Preferably, in above-mentioned electronic saliva collector, gather sampling device and for once only change the piece, avoided secondary pollution, make the testing result more accurate.

Preferably, in the above electric saliva collector, the tip is a yellow tip.

Preferably, in the above electric saliva collector, a return spring is arranged at the bottom of the sample adding button, so that the sample adding button can return and rebound after being pressed.

Preferably, in above-mentioned electronic saliva collector, the application of sample button divide into two gears, high-speed application of sample gear and low-speed application of sample gear, through hall PCB board with the control of induction magnet II realizes the accurate control to the saliva sample quantity.

Preferably, in the above-mentioned electronic saliva collector, piston rod with be provided with sealing washer I between the collection intraductal wall, prevent when the piston rod extrudees the sponge stick, saliva is followed collection pipe with the piston rod gap leaks.

Preferably, in the above electric saliva collector, a sealing ring ii is disposed between the filter body and the collecting tube to prevent saliva from leaking along a gap between the collecting tube and the filter body.

According to the technical scheme, compared with the prior art, the invention discloses the electric saliva collector which adopts electric control on collection of saliva, avoids introducing external samples due to more manual operation steps of users, and effectively prevents secondary pollution to saliva samples; the collected saliva sample can be subjected to impurity removal and bubble filtration to obtain a clarified saliva sample, so that the detection result is more accurate and reliable, and the saliva sample can be properly sucked back if the saliva sample is too large;

the collection sample introduction device is a disposable replacement part, so that secondary pollution is avoided, and the detection result is more accurate; the suction head is a yellow suction head; the bottom of the sample adding button is provided with a return spring, so that the sample adding button can be reset and rebounded after being pressed; the sample adding button is divided into two gears, namely a high-speed sample adding gear and a low-speed sample adding gear, and accurate control of the dosage of the saliva sample is realized through control of the Hall PCB and the induction magnet II; a sealing ring I is arranged between the piston rod and the inner wall of the collecting pipe, so that saliva is prevented from leaking out along a gap between the collecting pipe and the piston rod when the piston rod extrudes the sponge rod; a sealing ring II is arranged between the filter body and the collecting pipe, so that saliva is prevented from leaking along a gap between the collecting pipe and the filter body.

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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram provided by the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention discloses an electric saliva collector which can electrically control the collection of saliva, avoid introducing external samples due to more manual operation steps of a user and effectively prevent the saliva samples from secondary pollution; and can carry out edulcoration and filtration bubble to the saliva sample of collecting, obtain comparatively clear saliva sample to make the testing result more accurate reliable.

With reference to the accompanying drawing 1, the invention discloses an electric saliva collector, which comprises: a sampling device 1 and a machine body control device 29 are collected; wherein, the collection sampling device 1 is detachably arranged at the bottom of the machine body control device 29;

gather sampling device 1 includes: the device comprises a suction head 2, a sample outlet pipe 3, a filter block 4, filter cotton 5, a filter body 7, a sponge rod 8, a collection pipe 9, a limiting ring 10, a piston rod 11 and a magnet 12 with holes; the collecting tube 9 is detachably mounted at the bottom of the machine body control device 29 in an inserting and rotating mode, a piston rod 11 is tightly matched with the inner wall of the collecting tube 9, a magnet 12 with a hole is fixed at the tail part of the piston rod, and a limiting ring 10 is arranged in the middle; the collection pipe is internally provided with a sponge bar 8, a filter body 7, a filter block 4 and filter cotton 5 from top to bottom in sequence, and the center of the filter body 7 is provided with a through flow passage; the bottom end of the collecting pipe 9 is provided with a sample outlet pipe 3 and a suction head 2 in sequence;

the body control device 29 includes: the device comprises a circular magnet 13, a gear 14, a rack push rod 15, an induction magnet I16, a Hall switch 17, a main control board 18, a sample return button 19, an induction magnet II 20, a sample adding button 21, a Hall PCB 22, a storage battery 23, a power indicator lamp 24, a power switch 25, a stepping motor 26, a USB interface 27 and a shell 28; a circular magnet 13 is fixed at the front end of a rack push rod 15, an induction magnet I16 is fixed at the tail end of the rack push rod 15, and the circular magnet 13 fixed at the front end of the rack push rod 15 is adsorbed with a magnet 12 with a hole fixed at the tail part of a piston rod 11; the main control board 18 controls the stepping motor 26 to rotate, the stepping motor 26 is in transmission connection with the gear 14, and the gear 14 drives the rack push rod 15 to move up and down, so that the piston rod 11 extrudes the sponge rod 8;

the Hall switch 17, the sample returning button 19, the sample adding button 21, the Hall PCB 22, the storage battery 23, the power indicator lamp 24, the power switch 25, the stepping motor 26 and the USB interface 27 are electrically connected with the main control board 18 and are all positioned in the shell 28; the sample adding button 21 and the sample returning button 19 are respectively positioned at the top and the side of the shell 28; the Hall switch 17 is positioned at the top of the movable cavity of the rack push rod 15 and is matched with the induction magnet I16 to work; and one side of the bottom of the sample adding button 21 is provided with an induction magnet II 20, and the induction magnet II 20 is matched with a Hall PCB (printed Circuit Board) 22 arranged in a movable chamber of the sample adding button 21.

In order to further optimize the technical scheme, the collecting and sampling device 1 is a disposable replacement part, so that secondary pollution is avoided, and the detection result is more accurate.

In order to further optimize the technical scheme, the suction head is a yellow suction head.

In order to further optimize the technical scheme, the bottom of the sample adding button 21 is provided with a return spring 30, so that the sample adding button 21 can return after being pressed down.

In order to further optimize the technical scheme, the sample adding button 21 is divided into two gears, namely a high-speed sample adding gear and a low-speed sample adding gear, and accurate control over the dosage of the saliva sample is realized by controlling the Hall PCB 22 and the induction magnet II 20.

In order to further optimize the technical scheme, a sealing ring I6 is arranged between the piston rod 11 and the inner wall of the collection tube 9, so that when the piston rod 11 extrudes the sponge rod 8, saliva is prevented from leaking out along a gap between the collection tube 9 and the piston rod 11.

In order to further optimize the technical scheme, a sealing ring II 31 is arranged between the filter body 7 and the collection pipe 9, so that saliva is prevented from leaking along a gap between the collection pipe 9 and the filter body 7.

In order to further optimize the above technical solution, the main control board 18 is electrically connected with a micro speaker.

In order to further optimize the above technical solution, the storage battery 23 is charged through the USB interface 27.

The working principle of the invention is as follows: firstly, putting the sponge rod 8 into an inlet for proper chewing, pulling out the piston rod 11 of the collection tube 9, putting the sponge rod 8 into the collection tube 9 by using disposable forceps, and after the piston rod 11 is arranged and limited by the limiting ring 10, the piston rod 11 reaches the state of pre-extruding the sponge rod 8;

then the limiting device of the limiting ring 10 is unscrewed, the power switch 25 of the automatic saliva collector is turned on, after hearing the reset prompt sound of the rack push rod 15 sent by the micro loudspeaker under the condition that the power indicator lamp 24 is bright, the collection sample feeding device 1 is connected with the machine body control device 29 in a plug-in rotating mode, the sample feeding button 21 (divided into two parts, namely a high-speed sample feeding part and a low-speed sample feeding part, when the two parts are pressed to the bottom), the main control board 18 controls the stepping motor 26 to rotate, the gear 14 in transmission connection with the stepping motor 26 drives the rack push rod 15 to move up and down, so that the piston rod 11 extrudes the sponge rod 8, the sponge rod 8 separates out the saliva sample, the saliva sample flows into the flow channel of the filter 7, after the air bubbles and impurities are adsorbed by the filter cotton 5 and the filter block 4, the saliva flows out from the sample outlet pipe 3, the clarified saliva sample without air bubbles and impurities can be separated out, the high-speed sample adding part and the low-speed sample adding part are controlled by a Hall PCB (printed Circuit Board) 22 and an induction magnet II 20, and a stepping motor 26 and a main control board 18 are powered by a storage battery 23;

if the amount of the saliva sample is excessive, the saliva sample can be sucked back properly by pressing the sample return button 19, the sample is sucked back to the collection pipe 9 again until the induction magnet I16 on the rack push rod 15 gives a position signal through the Hall switch 17, and the walking motor 26 stops;

after the saliva sample is collected, the collecting and sampling device 1 is taken down in a rotary pulling mode to be scrapped, and then the instrument is closed. The appearance structure and the silk-screen printing mode of the instrument, the screw hiding scheme and the like are reasonably designed.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric saliva collector, comprising: a sampling and sample introduction device (1) and a machine body control device (29); wherein the collection sampling device (1) is detachably arranged at the bottom of the machine body control device (29);

the collection sampling device (1) comprises: the device comprises a suction head (2), a sample outlet pipe (3), a filter block (4), filter cotton (5), a filter body (7), a sponge rod (8), a collection pipe (9), a limiting ring (10), a piston rod (11) and a magnet (12) with a hole; the collecting pipe (9) is detachably mounted at the bottom of the machine body control device (29) in an inserting and rotating mode, the piston rod (11) is tightly matched with the inner wall of the collecting pipe (9), the tail part of the piston rod is fixed with the magnet (12) with the hole, and the limiting ring (10) is arranged in the middle of the piston rod; the sponge rod (8), the filter body (7), the filter block (4) and the filter cotton (5) are sequentially arranged in the collecting pipe from top to bottom, and a through flow channel is arranged in the center of the filter body (7); the bottom end of the collection tube (9) is sequentially provided with the sample outlet tube (3) and the suction head (2);

the body control device (29) includes: the device comprises a circular magnet (13), a gear (14), a rack push rod (15), an induction magnet I (16), a Hall switch (17), a main control board (18), a sample return button (19), an induction magnet II (20), a sample adding button (21), a Hall PCB (22), a storage battery (23), a power indicator lamp (24), a power switch (25), a stepping motor (26), a USB interface (27) and a shell (28); the circular magnet (13) is fixed at the front end of the rack push rod (15), the induction magnet I (16) is fixed at the tail end of the rack push rod (15), and the circular magnet (13) fixed at the front end of the rack push rod (15) is adsorbed to the magnet (12) with the hole fixed at the tail part of the piston rod (11); the main control board (18) controls the stepping motor (26) to rotate, the stepping motor (26) is in transmission connection with the gear (14), and the gear (14) drives the rack push rod (15) to move up and down, so that the piston rod (11) extrudes the sponge rod (8);

the Hall switch (17), the sample returning button (19), the sample adding button (21), the Hall PCB (22), the storage battery (23), the power indicator lamp (24), the power switch (25), the stepping motor (26) and the USB interface (27) are electrically connected with the main control board (18) and are all positioned in the shell (28); the sample adding button (21) and the sample returning button (19) are respectively positioned at the top and the side of the shell (28); the Hall switch (17) is positioned at the top of the movable chamber of the rack push rod (15) and is matched with the induction magnet I (16) to work; the induction magnet II (20) is arranged on one side of the bottom of the sample adding button (21), and the induction magnet II (20) is matched with the Hall PCB (22) arranged in the movable chamber of the sample adding button (21) to work; and the sample adding button (21) is divided into two gears, namely a high-speed sample adding gear and a low-speed sample adding gear, and is controlled by the Hall PCB (22) and the induction magnet II (20).

2. An electric saliva collector according to claim 1, characterized in that the collecting and sampling device (1) is a disposable and replaceable piece.

3. A powered saliva collector according to claim 2, characterised in that the tip (2) is a yellow tip.

4. An electric saliva collector as claimed in claim 3, characterized in that a return spring (30) is arranged at the bottom of the sample adding button (21).

5. An electric saliva collector according to claim 4, characterised in that a sealing ring I (6) is arranged between the piston rod (11) and the inner wall of the collecting tube (9).

6. An electric saliva collector according to any of claims 1-5, characterised in that a sealing ring II (31) is arranged between the filter body (7) and the collecting tube (9).