CN112629940A - Sputum sampling detection device and use method thereof - Google Patents
Sputum sampling detection device and use method thereof Download PDFInfo
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- CN112629940A CN112629940A CN202011497396.7A CN202011497396A CN112629940A CN 112629940 A CN112629940 A CN 112629940A CN 202011497396 A CN202011497396 A CN 202011497396A CN 112629940 A CN112629940 A CN 112629940A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/52—Use of compounds or compositions for colorimetric, spectrophotometric or fluorometric investigation, e.g. use of reagent paper and including single- and multilayer analytical elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
- G01N2001/381—Diluting, dispersing or mixing samples by membrane diffusion; Permeation tubes
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Abstract
The invention discloses a sputum sampling detection device and a use method thereof, wherein the sputum sampling detection device comprises a detection tube, a collection tube and test paper; the detection tube is provided with an accommodating cavity, a sealing film and a test paper cavity; the sealing film divides the accommodating cavity into an acquisition pipe accommodating part and a diluent accommodating part; the test paper cavity is positioned on the front side of the accommodating cavity, and a connecting channel is arranged between the accommodating part of the collecting tube and the test paper cavity; the connecting channel is positioned above the sealing film; the sputum diluent is filled in the diluent containing part; the collecting pipe is detachably connected with the collecting pipe accommodating part, and the lower end of the collecting pipe is provided with a membrane penetrating structure which is used for penetrating the sealing membrane; the test paper is arranged in the test paper cavity. The technical scheme of this application adopts the design that two sections were pressed, and after impaling the seal membrane, still need further press the thief rod just can make the diluent get into the test paper chamber to prevent the problem of maloperation effectively.
Description
Technical Field
The invention relates to the technical field of sample pretreatment and detection of medical detection, in particular to a sputum sampling and detecting device and a using method thereof.
Background
At present, sputum samples are mainly used for sputum cytology detection and respiratory tract pathogen detection in clinic. The existing detection mode is that a patient directly spits sputum into a collection container, then a detector adds diluent into the collection container, the sputum is diluted into a test sample, and then reaction test paper is inserted into the test sample for detection.
The sputum sample is not easy to store, and cells in the sputum sample are easy to break and release substances which may influence the test result under the room temperature condition; in addition, the microorganisms carried in the sputum sample influence the final test result due to activities such as reproduction and metabolism, and if the sputum sample cannot be detected in time after being collected, the detection result may have larger errors. The existing sputum collection device does not have the sputum detection function.
Disclosure of Invention
The invention aims to provide a sputum sampling detection device and a use method thereof, and aims to solve the problem that sputum detection operation cannot be conveniently and timely achieved in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a sputum sampling detection device, which comprises a detection tube, a collection tube and test paper;
the detection tube is provided with an accommodating cavity, a sealing film and a test paper cavity; the sealing film divides the accommodating cavity into an acquisition pipe accommodating part and a diluent accommodating part; the test paper cavity is positioned on the front side of the accommodating cavity, and a connecting channel is arranged between the accommodating part of the collecting tube and the test paper cavity; the connecting channel is positioned above the sealing film; the sputum diluent is filled in the diluent containing part;
the collecting pipe is detachably connected with the collecting pipe accommodating part, and the lower end of the collecting pipe is provided with a membrane penetrating structure which is used for penetrating the sealing membrane;
the test paper is arranged in the test paper cavity.
In the sputum sampling detection device, the collection tube further comprises a sampling tube, a sampling rod and an extrusion block;
the bottom of the sampling tube is provided with a through hole, and the sampling rod is connected to the inner wall of the sampling tube in a sliding manner;
the extrusion block is connected with the lower end of the sampling rod;
the film penetrating structure comprises a connecting rod and a die penetrating cone, one end of the connecting rod is connected with the lower end of the extrusion block, and the other end of the connecting rod is connected with the top surface of the die penetrating cone.
In the sputum sampling detection device, the collection tube further comprises a holding block, a closing block and a plurality of blocking blocks;
the holding block is arranged at the upper end of the sampling rod, and the closing block and the blocking blocks sequentially protrude from the outer wall of the sampling rod from top to bottom; an avoidance cavity matched with the closed block is arranged at the inlet of the accommodating cavity; the blocking block is matched with the accommodating cavity.
The sputum sampling and detecting device also comprises a test paper sealing tube and a limiting block;
the test paper is placed in the test paper sealing tube, and a diluent inlet is formed in one side, close to the connecting channel, of the lower end of the test paper sealing tube; a partition lug is further arranged below the diluent inlet and protrudes out of the outer wall of the test paper sealing tube; the upper end of the test paper sealing tube is provided with a positioning baffle;
the limiting block is detachably connected above the mounting hole; a positioning bump is arranged on one side of the limiting block facing the test paper sealing tube, and the positioning baffle abuts against the positioning bump;
a mounting hole is formed above the test paper cavity, the test paper sealing tube sequentially penetrates through the limiting block and the mounting hole, and part of the test paper sealing tube enters the test paper cavity;
and when the test paper sealing tube completely enters the test paper cavity, the diluent inlet is communicated with the connecting channel.
In the sputum sampling and detecting device, a clamping block is arranged at the upper end of the sampling tube, and the clamping block protrudes out of the outer wall of the sampling tube; the clamping block abuts against the positioning baffle.
Among the sputum sample testing device, still include the sponge, the sponge set up in the diluent entry, the lower extreme of test paper with the sponge contacts.
Among the sputum sample detection device, the rear side of stopper is equipped with location portion, the front side outer wall of test tube be equipped with the locating hole of locating part looks adaptation, location portion with the locating hole joint.
The invention also discloses a using method of the sputum sampling and detecting device, which is applied to the sputum sampling and detecting device and comprises the following steps:
assembling a collection pipe: inserting the sampling rod into the sampling tube, and enabling the lower end of the sampling rod to penetrate out of the through hole to assemble into the sampling tube;
collecting sputum: inserting the sampling rod into the sputum, pulling the sampling rod upwards, and extracting the sputum into the sampling tube;
and (3) sputum dilution: inserting the collection tube filled with sputum into the containing cavity, pressing the sampling rod to puncture the sealing membrane, shaking the detection tube of the sealing tube of the main container to mix the sputum with the diluent to form a test sample;
sample detection: continuously pressing the sampling rod to enable the test sample to enter the test paper sealing tube and enable the test sample to contact and react with the test paper; and after the test paper reacts with the test sample, taking out the test paper to observe the detection result.
The sputum sampling detection device provided by the invention has the following beneficial effects:
(1) the sputum sampling and detecting device collects sputum through the collecting tube and dilutes the sputum through the detecting tube, and the sputum can be immediately contacted with the test paper after being diluted and reacts; after the reaction of the diluted sputum and the test paper is finished, doctors and patients can obtain test results through the change of the test paper, and the effect of carrying out auxiliary detection on the patients is achieved. The sputum sampling and detecting device is simple to operate, so that a patient can conveniently carry out quantitative sputum collection operation, and errors caused by misoperation are reduced;
(2) the technical scheme of this application adopts the design that two sections were pressed, and after impaling the seal membrane, still need further press the thief rod just can make the diluent get into the test paper chamber to prevent the problem of maloperation effectively.
Drawings
The drawings are further illustrative of the invention and the content of the drawings does not constitute any limitation of the invention.
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of one embodiment of the present invention;
FIG. 3 is a schematic structural view of another embodiment of the present invention with a limiting block removed;
FIG. 4 is a schematic illustration of an explosive structure in accordance with one embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a limiting block according to an embodiment of the present invention;
in the drawings: the device comprises a detection tube 1, a collection tube 2 and test paper 3;
the test paper comprises a sealing film 12, a test paper cavity 13, a connecting channel 14 and a positioning hole 15; the device comprises a sampling tube 21, a sampling rod 22, an extrusion block 23, a membrane penetrating structure 24, a test paper sealing tube 25, a limiting block 26 and sponge 27;
a collection tube holding part 111, a diluent holding part 112; a stuck block 211; a gripping tab 221, a closing tab 222, a blocking tab 223; connecting rod 241, die-through cone 242; mounting holes 251, diluent inlets 252, positioning baffles 253; positioning lug 261, location portion 262.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the present invention provides a sputum sampling and detecting device, which comprises a detecting tube 1, a collecting tube 2 and a test paper 3;
the detection tube 1 is provided with an accommodating cavity, a sealing film 12 and a test paper cavity 13; the sealing film 12 divides the containing cavity into a collecting pipe containing part 111 and a diluent containing part 112; the test paper cavity 13 is positioned at the front side of the accommodating cavity, and a connecting channel 14 is arranged between the collecting tube accommodating part 111 and the test paper cavity 13; the connecting channel 14 is located above the sealing membrane 12; the sputum diluent is filled in the diluent containing part 112;
the collection tube 2 is detachably connected to the collection tube receiving portion 111, the lower end of the collection tube 2 is provided with a membrane penetrating structure 24, and the membrane penetrating structure 24 is used for penetrating the sealing membrane 12;
the test paper 3 is arranged in the test paper cavity 13.
The sputum sampling detection device collects sputum through the collection tube 2, dilutes the sputum through the detection tube 1, and can immediately contact the test paper 3 after the sputum is diluted and react; after the reaction of the diluted sputum and the test paper 3 is completed, doctors and patients can obtain test results through the change of the test paper 3, and the effect of carrying out auxiliary detection on the patients is achieved. Moreover, the sputum sampling and detecting device is simple in operation, so that the patient can conveniently and automatically collect the sputum quantitatively, and errors caused by misoperation are reduced.
After the collection tube 2 collects the sputum sample, the collection tube 2 is inserted into the containing cavity, the collection tube 2 is pressed, and the sealing film 12 is punctured through the film puncturing structure 24 at the lower end of the collection tube 2, so that the sputum sample in the collection tube 2 is contacted with the sputum diluent; then, shaking the detection tube 1 to fully mix the sputum sample with the sputum diluent to form a test sample; subsequently, the collection tube 2 is pressed further, so that the lower end of the collection tube 2 enters the diluent receiving portion 112, the test sample is squeezed by the collection tube 2, flows through the connecting channel 14, enters the test paper cavity 13, and finally contacts and reacts with the test paper 3.
The sputum sampling and detecting device is convenient to carry, can collect and quickly detect sputum at any time, can immediately dilute and test the sputum, and avoids the release of substances affecting the detection caused by the rupture of cells in the sputum when the sputum is placed at room temperature for a long time; simultaneously, after the sputum sample is collected, the sputum sample immediately enters the accommodating cavity, air in the accommodating cavity is less, the sputum sample can be reduced to contact with air, and the influence of bacteria in the air on the sputum sample is avoided.
The sealing film is used for sealing the sputum diluent, so that the sputum diluent is prevented from flowing out of the detection tube 1 when the detection tube 1 is transversely placed, and the sputum sampling detection device is convenient to place and store; meanwhile, the sealing film isolates the sputum diluent from the outside, and substances such as bacteria and pathogens in the air are prevented from polluting the sputum diluent.
Specifically, the collection tube 2 further comprises a sampling tube 21, a sampling rod 22 and an extrusion block 23;
the bottom of the sampling tube 21 is provided with a through hole, and the sampling rod 22 is connected to the inner wall of the sampling tube 21 in a sliding manner;
the extrusion block 23 is connected with the lower end of the sampling rod 22;
the film penetrating structure 24 comprises a connecting rod 241 and a die penetrating cone 242, wherein one end of the connecting rod 241 is connected with the lower end of the extrusion block 23, and the other end of the connecting rod is connected with the top surface of the die penetrating cone 242.
Before the start of the test, the sputum from the patient was collected in a collection container. When the sputum sampling detection device is used, the sampling rod 22 is inserted into the sampling tube 21, so that the lower end of the sampling rod 22 penetrates out of the through hole to assemble the sampling tube 2; the bottom surface of the expression block 23, the top surface of the piercing cone 242 and the inner wall of the sampling tube 21 combine to form a sputum collection chamber. During collection, the sampling rod 22 is inserted into the sputum in the collection container, the sampling rod 22 is pulled upwards, the sputum is extracted into the sputum collection cavity, and the length of the connecting rod 241 is fixed, the radius of the sampling tube 21 is also fixed, and the volume of the sputum collection cavity is the same, so that the volume of the sputum sample collected by the collection tube 2 is the same, and the quantitative collection effect is achieved; inserting the collection tube 2 filled with sputum into the containing cavity, pressing the sampling rod 22 to puncture the sealing membrane 12, shaking the detection tube 1 of the main body container sealing tube to mix the sputum with the diluent to form a test sample; and continuously pressing the sampling rod 22 to enable the test sample to enter the test paper sealing tube 25, enabling the test sample to contact and react with the test paper 3, and taking out the test paper 3 to observe a detection result after the test paper 3 reacts with the test sample.
Sampling tube 21 and sampling rod 22 combination form collection pipe 2, through pull sampling rod 22, realize gathering the purpose of sputum sample. When a sputum sample is collected, the membrane penetrating structure 24 and the lower end of the sampling tube 21 are inserted into the sputum sample, and the bottom surface of the extrusion block 23 is flush with the outer edge of the through hole; the sputum sample is attached to the piercing structure 24 and when the sampling rod 22 is pulled, the sputum sample will be brought into the sampling tube 21 by the top surface of the piercing cone 242 and stored in the sputum collection chamber.
After the sampling rod 22 is inserted into the detection tube 1, the extrusion block 23 and the membrane penetrating structure 24 extend out of the through hole by pressing the sampling rod 22, and the sputum sample is released; meanwhile, the penetrating cone 242 contacts with the sealing membrane 12, the sampling rod 22 is continuously pressed forcibly, and the penetrating cone 242 pierces the sealing membrane 12 to mix the sputum sample with the sputum diluent; shaking the detection tube 1 to fully mix the sputum sample with the sputum diluent; after shaking, the sampling rod 22 needs to be pressed further, because the radius of the extrusion block 23 is smaller than the inner diameter of the diluent containing part 112, the extrusion block 23 and the membrane penetrating structure 24 can enter the diluent containing part 112, the extrusion block 23 will extrude the test sample, so that the test sample can diffuse through the connecting channel 14 and enter the test paper cavity 13 from the diluent containing part 112; the technical scheme of this application adopts the design that two sections were pressed, and after piercing sealing membrane 12, still need further press sampling rod 22 just can make the diluent get into test paper chamber 13 to prevent the problem of maloperation effectively.
Devices have been developed for the partial detection of sputum, but the waterproof membrane of such devices is used to seal the test strip, which reacts immediately with the solution in the device when the waterproof membrane is punctured. If the patient makes mistakes during the detection operation, the sputum and the diluent are not mixed, the waterproof membrane is directly punctured, and the test paper reacts with the solution in the device immediately, so that a larger error occurs in the detection. In addition, some sputum detection devices separate the test paper from the diluent through a waterproof membrane, but the problem that the patient mistakenly punctures the waterproof membrane, so that the sputum and the diluent are not uniformly mixed, and the detection has a large error cannot be solved.
Further, the collection tube 2 further comprises a gripping tab 221, a closure tab 222, and a plurality of stop tabs 223;
the holding block 221 is arranged at the upper end of the sampling rod 22, and the closing block 222 and the plurality of blocking blocks 223 sequentially protrude from the outer wall of the sampling rod 22 from top to bottom; an avoidance cavity matched with the closing block 222 is arranged at the inlet of the accommodating cavity; the blocking block 223 is matched with the accommodating cavity.
The holding block 221 is configured to facilitate the holding of the sampling rod 22 by the inspector or patient, so that the inspector or patient can pull or press the sampling rod 22. The closing block 222 is matched with the avoiding cavity to play a role in limiting, and the problem that the sputum sampling and detecting device is damaged due to the fact that the detection personnel or the patient continues to press after the membrane penetrating structure 24 is contacted with the bottom of the diluent accommodating part 112 is solved. The blocking block 223 plays a role in blocking the airflow, so that when the detection person or the patient pulls the sampling rod 22 upwards, a negative pressure is formed in the sampling tube 21, so that the sputum sample is adsorbed and enters the sampling tube 21.
Furthermore, the test paper test device also comprises a test paper sealing tube 25 and a limiting block 26;
the test paper 3 is placed in the test paper sealing tube 25, and a diluent inlet 252 is formed in one side, close to the connecting channel 14, of the lower end of the test paper sealing tube 25; a partition bump is further arranged below the diluent inlet 252, and the partition bump protrudes out of the outer wall of the test paper sealing tube 25; the upper end of the test paper sealing tube 25 is provided with a positioning baffle 253;
the limiting block 26 is detachably connected above the mounting hole 251; a positioning bump 261 is arranged on one side of the limiting block 26 facing the test paper sealing tube 25, and the positioning baffle 253 abuts against the positioning bump 261;
a mounting hole 251 is formed above the test paper cavity 13, the test paper sealing tube 25 sequentially penetrates through the limiting block 26 and the mounting hole 251, and part of the test paper sealing tube 25 enters the test paper cavity 13;
when the test paper sealing tube 25 completely enters the test paper cavity 13, the diluent inlet 252 is communicated with the connecting channel 14.
By adopting the structure, after the test paper sealing tube 25 passes through the limiting block 26 and the mounting hole 251, the positioning baffle 253 interferes with the positioning lug 261, so that the test paper sealing tube 25 cannot completely enter the test paper cavity 13, the diluent inlet 252 is staggered with the connecting channel 14, and the problem that the test paper 3 reacts with the incompletely diluted sputum sample due to the fact that the sputum sample and the diluent are not completely mixed and then enter the test paper sealing tube 25 through the diluent inlet 252 and the connecting channel 14 in advance can be avoided when the detection tube 1 is shaken, and therefore the test result has a large error. After the sputum sample and the diluent are shaken uniformly, a detector or a patient moves the limiting block 26 away to enable the test paper sealing tube 25 to completely enter the test paper cavity 13, the diluent inlet 252 is communicated with the connecting channel 14, and the diluted sputum sample enters the test paper sealing tube 25 through the connecting channel 14 and the diluent inlet 252 and is in contact reaction with the test paper 3. The partition bump is matched with the test paper cavity 13 to play a role in isolation, so that a test sample is prevented from entering the test paper cavity 13 in advance.
Preferably, the upper end of the sampling tube 21 is provided with a locking block 211, and the locking block 211 protrudes from the outer wall of the sampling tube 21; the position-locking block 211 abuts against the positioning baffle 253.
When the limiting block 26 is not taken out, the test paper sealing tube 25 is erected by the positioning lug 261, so that the test paper sealing tube 25 cannot completely enter the test paper cavity 13; meanwhile, the positioning baffle 253 offsets the clamping block 211, the positioning baffle 253 supports the sampling tube 21, the extrusion block 23 and the membrane penetrating structure 24 cannot completely enter the diluent accommodating part 112, so that the test sample cannot cross the connecting channel 14, the problem that the incompletely diluted sputum sample is extruded to the test paper cavity 13 due to the fact that the sampling tube 21 continuously moves downwards is avoided, and the situation that the test paper 3 is reacted with the incompletely diluted sputum sample due to misoperation of a user is further prevented.
In a specific embodiment, the test strip further comprises a sponge 27, the sponge 27 is disposed at the diluent inlet 252, and the lower end of the test strip 3 is in contact with the sponge 27.
The sponge 27 plays a role in absorbing the diluted sputum sample; after dilution, the sputum sample enters the test paper sealing tube 25 and is absorbed by the sponge 27. By the capillary phenomenon, the diluted sputum sample is gradually contacted with the test paper 3 through the sponge 27. In addition, sponge 27 can also adsorb thick foreign matter and impurity in the sputum, avoids thick foreign matter and the impurity influence test result of sputum.
Optionally, a positioning portion 262 is disposed on the rear side of the limiting block 26, a positioning hole 15 adapted to the positioning portion 262 is disposed on the outer wall of the front side of the detection tube 1, and the positioning portion 262 is clamped with the positioning hole 15. The limiting block 26 and the detecting tube 1 are detachably connected with the positioning hole 15 through the positioning part 262. After dismantling stopper 26, locating hole 15 and external intercommunication realize that test paper chamber 13 is balanced with external atmospheric pressure, are favorable to the sputum sample after diluting to get into test paper chamber 13 in, make test paper 3 can react with the sputum sample after the dilution of sufficient quantity, avoid measuring error.
The invention also provides a using method of the sputum sampling and detecting device, which is applied to the sputum sampling and detecting device and comprises the following steps:
assembling the collection tube 2: inserting the sampling rod 22 into the sampling tube 21, and enabling the lower end of the sampling rod 22 to penetrate out of the through hole to assemble the sampling tube 2;
collecting sputum: inserting the sampling rod 22 into the sputum, pulling the sampling rod 22 upwards, and extracting the sputum into the sampling tube 21;
and (3) sputum dilution: inserting the collection tube 2 filled with sputum into the containing cavity, pressing the sampling rod 22 to puncture the sealing membrane 12, shaking the detection tube 1 of the main body container sealing tube to mix the sputum with the diluent to form a test sample;
sample detection: continuously pressing the sampling rod 22 to enable the test sample to enter the test paper sealing tube 25 and enable the test sample to contact and react with the test paper 3; after the test paper 3 reacts with the test sample, the test paper 3 can be taken out to observe the detection result.
The method omits the sputum liquefaction step in the conventional sputum detection process, can detect the sputum more quickly and accurately, and avoids the influence of interference factors such as liquefaction reagents, sputum protein, specimen deterioration, foreign matter and variegation.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty based on the explanations herein, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (8)
1. The utility model provides a sputum sample detection device which characterized in that: comprises a detection tube, a collection tube and test paper;
the detection tube is provided with an accommodating cavity, a sealing film and a test paper cavity; the sealing film divides the accommodating cavity into an acquisition pipe accommodating part and a diluent accommodating part; the test paper cavity is positioned on the front side of the accommodating cavity, and a connecting channel is arranged between the accommodating part of the collecting tube and the test paper cavity; the connecting channel is positioned above the sealing film; the sputum diluent is filled in the diluent containing part;
the collecting pipe is detachably connected with the collecting pipe accommodating part, and the lower end of the collecting pipe is provided with a membrane penetrating structure which is used for penetrating the sealing membrane;
the test paper is arranged in the test paper cavity.
2. The sputum sampling and detection device of claim 1, wherein: the collecting tube also comprises a sampling tube, a sampling rod and an extrusion block;
the bottom of the sampling tube is provided with a through hole, and the sampling rod is connected to the inner wall of the sampling tube in a sliding manner;
the extrusion block is connected with the lower end of the sampling rod;
the film penetrating structure comprises a connecting rod and a die penetrating cone, one end of the connecting rod is connected with the lower end of the extrusion block, and the other end of the connecting rod is connected with the top surface of the die penetrating cone.
3. The sputum sampling and detection device of claim 2, wherein: the collection tube further comprises a gripping block, a closing block and a plurality of blocking blocks;
the holding block is arranged at the upper end of the sampling rod, and the closing block and the blocking blocks sequentially protrude from the outer wall of the sampling rod from top to bottom; an avoidance cavity matched with the closed block is arranged at the inlet of the accommodating cavity; the blocking block is matched with the accommodating cavity.
4. The sputum sampling and detection device of claim 2, wherein: the test paper sealing tube and the limiting block are further included;
the test paper is placed in the test paper sealing tube, and a diluent inlet is formed in one side, close to the connecting channel, of the lower end of the test paper sealing tube; a partition lug is further arranged below the diluent inlet and protrudes out of the outer wall of the test paper sealing tube; the upper end of the test paper sealing tube is provided with a positioning baffle;
the limiting block is detachably connected above the mounting hole; a positioning bump is arranged on one side of the limiting block facing the test paper sealing tube, and the positioning baffle abuts against the positioning bump;
a mounting hole is formed above the test paper cavity, the test paper sealing tube sequentially penetrates through the limiting block and the mounting hole, and part of the test paper sealing tube enters the test paper cavity;
and when the test paper sealing tube completely enters the test paper cavity, the diluent inlet is communicated with the connecting channel.
5. The sputum sampling and detection device of claim 4, wherein: the upper end of the sampling tube is provided with a clamping block, and the clamping block protrudes out of the outer wall of the sampling tube; the clamping block abuts against the positioning baffle.
6. The sputum sampling and detection device of claim 4, wherein: the test paper is characterized by further comprising a sponge, wherein the sponge is arranged at the diluent inlet, and the lower end of the test paper is in contact with the sponge.
7. The sputum sampling and detection device of claim 4, wherein: the rear side of the limiting block is provided with a positioning part, the outer wall of the front side of the detection tube is provided with a positioning hole matched with the positioning part, and the positioning part is clamped with the positioning hole.
8. The use method of the sputum sampling and detecting device, which is applied to the sputum sampling and detecting device as claimed in claim 2, is characterized by comprising the following steps:
assembling a collection pipe: inserting the sampling rod into the sampling tube, and enabling the lower end of the sampling rod to penetrate out of the through hole to assemble into the sampling tube;
collecting sputum: inserting the sampling rod into the sputum, pulling the sampling rod upwards, and extracting the sputum into the sampling tube;
and (3) sputum dilution: inserting the collection tube filled with sputum into the containing cavity, pressing the sampling rod to puncture the sealing membrane, shaking the detection tube of the sealing tube of the main container to mix the sputum with the diluent to form a test sample;
sample detection: continuously pressing the sampling rod to enable the test sample to enter the test paper sealing tube and enable the test sample to contact and react with the test paper; and after the test paper reacts with the test sample, taking out the test paper to observe the detection result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011497396.7A CN112629940A (en) | 2020-12-17 | 2020-12-17 | Sputum sampling detection device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011497396.7A CN112629940A (en) | 2020-12-17 | 2020-12-17 | Sputum sampling detection device and use method thereof |
Publications (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189319A (en) * | 2021-05-21 | 2021-07-30 | 云智动(杭州)科技有限公司 | Sputum sampling and detecting integrated device and using method thereof |
| CN113899733A (en) * | 2021-09-30 | 2022-01-07 | 江苏鱼跃医疗设备股份有限公司 | Sampling detection device |
| CN113907798A (en) * | 2021-09-23 | 2022-01-11 | 上海市第十人民医院 | Portable PTH detection device in operation process |
| CN114459819A (en) * | 2022-02-09 | 2022-05-10 | 中国人民解放军军事科学院军事医学研究院 | Sample dilution tube and sampling kit using same |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189319A (en) * | 2021-05-21 | 2021-07-30 | 云智动(杭州)科技有限公司 | Sputum sampling and detecting integrated device and using method thereof |
| CN113907798A (en) * | 2021-09-23 | 2022-01-11 | 上海市第十人民医院 | Portable PTH detection device in operation process |
| CN113907798B (en) * | 2021-09-23 | 2024-02-23 | 上海市第十人民医院 | Portable PTH detection device in operation process |
| CN113899733A (en) * | 2021-09-30 | 2022-01-07 | 江苏鱼跃医疗设备股份有限公司 | Sampling detection device |
| CN113899733B (en) * | 2021-09-30 | 2024-01-05 | 江苏鱼跃凯立特生物科技有限公司 | Sampling detection device |
| CN114459819A (en) * | 2022-02-09 | 2022-05-10 | 中国人民解放军军事科学院军事医学研究院 | Sample dilution tube and sampling kit using same |
| CN114459819B (en) * | 2022-02-09 | 2024-05-03 | 中国人民解放军军事科学院军事医学研究院 | Sample diluting tube and sampling kit using same |
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