CN213098007U - Sampler with protection function - Google Patents
Sampler with protection function Download PDFInfo
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- CN213098007U CN213098007U CN202020865767.1U CN202020865767U CN213098007U CN 213098007 U CN213098007 U CN 213098007U CN 202020865767 U CN202020865767 U CN 202020865767U CN 213098007 U CN213098007 U CN 213098007U
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Abstract
The utility model discloses a sample thief with safeguard function, including drum, sampling test paper head, piston and push-and-pull rod, the drum front end is the test paper chamber of toper structure, and elastic seal is connected with the piston in the drum, and push-and-pull rod fixed connection is at tip center behind the piston, and the tip passes through connecting rod fixed connection sampling test paper head before the piston, and the drum lower extreme is stretched out to the push-and-pull rod rear end, and the drum front end has cup jointed spherical cross section's transparent safety cover. The utility model discloses set up transparent safety cover (adopting the silica gel material) cover at patient's oral cavity and nasal cavity position at sample thief drum front end, prevent that the spray blowout from causing the infection to medical staff, and can clearly observe the first arrival position of sampling test paper and carry out and remove contact throat department and treat the sampling liquid, avoid empty adopting or the unsafe problem of sampling, this sample thief advances oral cavity throat department through promoting the sampling test paper and samples, realize the quick collection of sample, time saving and labor saving, the piston promotes, play the guide effect, accurate positioning.
Description
Technical Field
The utility model relates to a sample thief with safeguard function belongs to virus sampling equipment technical field.
Background
The traditional upper respiratory tract, oral cavity and anus sampling uses simple tools such as test paper and cotton swabs for sampling, and special protection is needed for sampling patients with droplet infection characteristics such as novel coronavirus, and meanwhile, the sampling efficiency cannot be reduced; in addition, in the traditional sampling method, in the later-stage treatment of the sample, the collection and transfer are needed, and the problems of sample loss, pollution or environmental pollution caused by the sample, low recovery efficiency and the like can occur; meanwhile, the residual sample in the reaction system is easy to cause infection to the environment, medical care personnel and detection personnel.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: a sampler with a guard function is provided to solve the above problems in the prior art.
The utility model discloses the technical scheme who takes does: a sampler with a protection function comprises a cylinder, a sampling test paper head, a piston and a push-pull rod, wherein the front end of the cylinder is a test paper cavity with a conical structure, the piston is elastically and hermetically connected in the cylinder, the push-pull rod is fixedly connected to the center of the rear end part of the piston, the front end part of the piston is fixedly connected with the sampling test paper head through a connecting rod, the rear end of the push-pull rod extends out of the lower end of the cylinder, and the front end of the cylinder is sleeved with a transparent protection cover with a spherical.
Preferably, the middle part of the transparent protective cover is provided with a sleeve which is movably sleeved on the cylinder and is fastened by a locking screw.
Preferably, the front end of the transparent protection cover is provided with an annular limiting table, and the annular limiting table can cover the annular limiting boss at the upper end of the detection box.
Preferably, a sampling reagent pack is arranged in a through hole in the side face of the front end part of the cylinder, a puncturing mechanism is arranged at the outer end of the sampling reagent pack, the sampling reagent pack can be punctured after the puncturing mechanism is pressed, and a sampling protection reagent flows into the sampling test paper head.
Preferably, above-mentioned sampling reagent package includes both ends open-ended post chamber, and the sealed fixed connection of post chamber sets up the reagent sealing membrane on the drum, and the rear end sets up the elasticity pressing sheet of evagination, and impales the mechanism and includes awl thorn pole, and awl thorn pole fixed connection is inboard in the middle part of the elasticity pressing sheet.
Preferably, the guide ring is installed to above-mentioned drum front end inboard, and the guide ring is connected inside the drum and is located sampling reagent package the place ahead through the collection fill, and the collection fill is towards the big toper structure of the little rear end of drum front end, and the guide ring side is provided with the water conservancy diversion hole, and the guide ring front end is provided with the extrusion portion of horn mouth.
Preferably, the rear end face of the piston is provided with an extension spring, the extension spring is sleeved on the push-pull rod, the upper end of the extension spring abuts against the end face of the piston, and the lower end of the extension spring abuts against the inner side of the rear end of the cylinder.
Preferably, the tail end of the push-pull rod penetrates out of the cylinder and then is connected to a push-pull handle, the push-pull handle is movably inserted into the guide cylinder, and the front end of the guide cylinder is fixedly connected to the rear end of the cylinder; the side face of the tail end of the push-pull handle is fixedly connected with a limiting rod, the front end of the limiting rod is provided with limiting clamping teeth, the surface of the cylinder is provided with a plurality of limiting clamping grooves along the length direction of the cylinder, and the push-pull limiting rod can embed the limiting clamping teeth into the limiting clamping grooves.
Preferably, a sample destroying reagent bag is arranged in another through hole in the side surface of the front end part of the cylinder, and the structural shape of the sample destroying reagent bag is consistent with that of the sampling reagent bag.
The utility model has the advantages that: compared with the prior art, the utility model discloses an effect as follows:
(1) the utility model discloses set up transparent safety cover (adopting the silica gel material) at sample thief drum front end and cover in patient's oral cavity and nasal cavity position, prevent that spray from spouting and causing the infection to medical staff to can clearly observe the sampling test paper head and reach the position and move the contact throat and wait to sample the liquid, avoid empty sampling or the unsafe problem of sampling, this sample thief is through promoting the sampling test paper head to enter the throat of oral cavity and carry out the sampling, realize the quick collection of sample, labour saving and time saving, the piston promotes, plays the guide effect, accurate positioning;
(2) the sleeve is connected with the cylinder, so that fine adjustment of different positions can be realized, the use of different personnel is convenient to realize, the adjustment is convenient and quick, the locking of the screw is reliable, and the operation is convenient; the annular flange is adopted for limiting, so that the rapid positioning butt joint with the detection box is realized, and the sampling test paper head is prevented from extending out;
(3) after sampling, a reagent bag is punctured by a puncturing mechanism and is mixed with a sample to be sampled, so that the detection inaccuracy caused by the need of transferring the sample is avoided, and the detection accuracy is improved; the sampling reagent pack is simple in structure and good in sealing effect, the sampling test paper head is pushed to the sealing position, so that reagent liquid can flow to the sampling test paper head conveniently, the puncturing mechanism is simple, and the pressing is convenient and quick;
(4) the guide ring is arranged, so that the rigidity of the connecting rod can be improved in the process of pushing the connecting rod, deflection is avoided, the flow collecting hopper and the flow guide hole are arranged, rapid flow collection and drainage of a reagent to the sampling test paper head can be realized, the extrusion part is arranged, the protection liquid containing a sample can be extruded from the sampling test paper head, and manual extrusion is avoided;
(5) the extension spring is arranged, so that the quick reset of the piston and the reset of the sampling test paper head can be realized, and the sampling operation is more convenient;
(6) the push-pull handle is arranged in the guide cylinder to play a role in further guiding and pushing, and the push-pull handle has a large contact area and is more labor-saving to push; the limit latch and the limit slots are arranged, so that the extension length of the sampling test paper head can be quickly limited, and the sampling accuracy is improved;
(7) set up the sample and destroy the reagent package, deposit sample inactivation reagent, can destroy the sampling test paper head after collecting the sample to the sampling.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is an enlarged view of the portion B of FIG. 1;
FIG. 4 is a schematic top view of the guide ring;
FIG. 5 is a schematic view of the structure of the transparent protective cover covering the detection box;
fig. 6 is a schematic view of a cylindrical section structure at the position of the limiting latch.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1: as shown in fig. 1-6, a sampler with a protection function comprises a cylinder 1, a sampling test paper head 2, a piston 3 and a push-pull rod 4, wherein the front end of the cylinder 1 is a conical test paper cavity (a sample pretreatment reagent cabin, after a reagent is released to the part, the reagent slowly drips, according to the required amount of the sample, a sample adding button is pressed, the sample on the test paper is washed, and the sample is protected), the piston 3 is elastically and hermetically connected in the cylinder 1, the push-pull rod 4 is fixedly connected to the center of the rear end of the piston 3, the front end of the piston 3 is fixedly connected with the sampling test paper head 2 through a connecting rod 5, the rear end of the push-pull rod 4 extends out of the lower end of the cylinder 1, and the front end of the cylinder 1.
Preferably, the transparent protective cover 20 is provided with a sleeve 24 in the middle, and the sleeve 24 is movably sleeved on the cylinder 1 and fastened by a locking screw.
Preferably, the front end of the transparent protection cover 20 is provided with an annular limit table 25, and the annular limit table 25 can cover an annular limit boss 27 at the upper end of the detection box 26.
A sampling reagent bag 6 (containing sample treatment liquid) is arranged in a through hole on the side surface of the front end part of the cylinder 1, and a piercing mechanism is arranged at the outer end of the sampling reagent bag 6; sampling reagent package 6 includes both ends open-ended post chamber 7, and the sealed fixed connection of post chamber 7 sets up reagent sealing film 8 on drum 1, and the rear end sets up the elasticity of evagination and presses the pressing sheet 9, and impales the mechanism and includes awl thorn pole 10, and awl thorn pole 10 fixed connection is inboard in elasticity pressing sheet 9 middle part.
Preferably, the front end of the test paper cavity is provided with a sealing film 11, and the sampling sealing film is well sealed in an unused state, so that the dustproof and pollution-proof effects are achieved.
Preferably, a guide ring 12 is mounted inside the front end of the cylinder 1, the guide ring 12 is connected inside the cylinder 1 through a collecting hopper 13 and is positioned in front of the sampling reagent pack 6, the collecting hopper 13 has a tapered structure with a smaller front end and a larger rear end, a guide hole 14 is formed inside the guide ring 12, and a flared extrusion part 23 is formed at the front end of the guide ring 12.
Preferably, the rear end face of the piston 3 is provided with an extension spring 15, the extension spring 15 is sleeved on the push-pull rod 4, the upper end of the extension spring abuts against the end face of the piston 3, and the lower end of the extension spring abuts against the inner side of the rear end of the cylinder 1.
Preferably, the tail end of the push-pull rod 4 penetrates through the cylinder 1 and then is connected to the push-pull handle 16, the push-pull handle 16 is movably inserted into the guide cylinder 17, and the front end of the guide cylinder 17 is fixedly connected to the rear end of the cylinder 1.
Preferably, 16 tail end side fixedly connected with gag lever post 22 of above-mentioned push-and-pull handle, gag lever post 22 front end is provided with spacing latch 18, 1 surface of drum is provided with a plurality of spacing draw-in grooves 19 along drum length direction, push-and-pull gag lever post 22 can be with spacing latch 18 embedding to spacing draw-in groove 19 in, a plurality of spacing draw-in grooves 19 are located direction groove 24, direction groove 24 sets up on 1 length direction's of drum surface, adopt direction groove, be convenient for spacing latch directional movement, realize the location fast, improve detection efficiency and detection accuracy nature.
Preferably, a sample destruction reagent pack 21 is disposed in another through hole on the side surface of the front end of the cylinder 1, and the structural shape of the sample destruction reagent pack 21 is identical to that of the sampling reagent pack 6.
Preferably, the side surface of the cylinder 1 is provided with scale marks, the cylinder 1 is made of transparent materials, and the transparent cylinder and the scale marks are arranged, so that the distance of pushing out the sampling test paper head can be monitored.
The sampler is designed with a protective cover in a targeted manner, so that the sample can be prevented from being exposed in the air, and the sampling cotton swab retracts into the protective bin; in addition, the protective cover is sealed and covered at the detection end of the portable PCR instrument and is matched with the portable PCR instrument for use, so that liquid in reaction is prevented from splashing outside the system. The device aims to solve the problem that the droplets possibly generated in sampling and the droplets possibly splashed in the reaction process carry pathogenic samples to threaten medical care personnel and the environment, so that the sample treatment and the reaction are integrated and are carried out in a relatively closed environment.
The use principle is as follows: the sampler comprises a sampling module, a protective cover, a sample processing module and a destroying module; when the sampling cotton swab is used, the sampling cotton swab is placed in a position needing to be sampled, such as a nasal cavity, an oral cavity, a pharynx, an anus and the like of a patient, meanwhile, the corresponding area is covered by the protective cover, so that spray spreading is avoided, after sampling is finished, the sampling cotton swab retracts into the protective bin, and the processing module releases a processing reagent to carry out pretreatment on a sample; and releasing the destroying reagent for destroying after the reaction is finished.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention, therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (10)
1. A sampler with a protection function is characterized in that: the sampling test paper box comprises a cylinder (1), a sampling test paper head (2), a piston (3) and a push-pull rod (4), wherein the front end of the cylinder (1) is a test paper cavity with a conical structure, the piston (3) is connected in the cylinder (1) in an elastic sealing manner, the push-pull rod (4) is fixedly connected to the center of the rear end part of the piston (3), the front end part of the piston (3) is fixedly connected with the sampling test paper head (2) through a connecting rod (5), the rear end of the push-pull rod (4) extends out of the lower end of the cylinder (1), and the front end of the cylinder (1) is sleeved with a.
2. The sampler with protection function according to claim 1, characterized in that: the middle part of the transparent protective cover (20) is provided with a sleeve (24), and the sleeve (24) is movably sleeved on the cylinder (1) and is fastened by adopting a locking screw.
3. The sampler with protection function according to claim 1, characterized in that: an annular limiting table (25) is arranged at the front end of the transparent protective cover (20), and the annular limiting table (25) can cover an annular limiting boss (27) at the upper end of the detection box (26).
4. The sampler with protection function according to claim 1, characterized in that: a sampling reagent bag (6) is arranged in a through hole on the side surface of the front end part of the cylinder (1), and a piercing mechanism is arranged at the outer end of the sampling reagent bag (6).
5. The sampler with protection function according to claim 4, characterized in that: the sampling reagent bag (6) comprises a column cavity (7) with openings at two ends, the column cavity (7) is fixedly connected on the cylinder (1) in a sealing way, a reagent sealing film (8) is arranged at the front end, and an outward-protruding elastic pressing sheet (9) is arranged at the rear end.
6. The sampler with protection function according to claim 5, characterized in that: the puncturing mechanism comprises a prick rod (10), and the prick rod (10) is fixedly connected to the inner side of the middle part of the elastic pressing sheet (9).
7. The sampler with protection function according to claim 1, characterized in that: the inner side of the front end of the cylinder (1) is provided with a guide ring (12), the guide ring (12) is connected inside the cylinder (1) through a flow collecting hopper (13) and is positioned in front of a sampling reagent bag (6), the flow collecting hopper (13) is of a conical structure which is small at the front end and large at the rear end, the inner side of the guide ring (12) is provided with a flow guide hole (14), and the front end of the guide ring (12) is provided with an extrusion part (23) with a horn mouth.
8. The sampler with protection function according to claim 1, characterized in that: an extension spring (15) is arranged on the rear end face of the piston (3), the extension spring (15) is sleeved on the push-pull rod (4), the upper end of the extension spring abuts against the end face of the piston (3), and the lower end of the extension spring abuts against the inner side of the rear end of the cylinder (1).
9. The sampler with protection function according to claim 1, characterized in that: the tail end of the push-pull rod (4) penetrates out of the cylinder (1) and then is connected to a push-pull handle (16), the push-pull handle (16) is movably inserted into the guide cylinder (17), and the front end of the guide cylinder (17) is fixedly connected to the rear end of the cylinder (1); the side face of the tail end of the push-pull handle (16) is fixedly connected with a limiting rod (22), the front end of the limiting rod (22) is provided with a limiting latch (18), the surface of the cylinder (1) is provided with a plurality of limiting clamping grooves (19) along the length direction of the cylinder, and the push-pull limiting rod (22) can embed the limiting latch (18) into the limiting clamping grooves (19).
10. The sampler with protection function according to claim 1, characterized in that: a sample destroying reagent bag (21) is arranged in a through hole in the side face of the front end part of the cylinder (1), and the structural shape of the sample destroying reagent bag (21) is consistent with that of the sampling reagent bag (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020865767.1U CN213098007U (en) | 2020-05-21 | 2020-05-21 | Sampler with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020865767.1U CN213098007U (en) | 2020-05-21 | 2020-05-21 | Sampler with protection function |
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| Publication Number | Publication Date |
|---|---|
| CN213098007U true CN213098007U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020865767.1U Active CN213098007U (en) | 2020-05-21 | 2020-05-21 | Sampler with protection function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112548A (en) * | 2021-12-15 | 2022-03-01 | 李琦 | Patient's body fluid collection assembly for uropoiesis surgery |
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2020
- 2020-05-21 CN CN202020865767.1U patent/CN213098007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112548A (en) * | 2021-12-15 | 2022-03-01 | 李琦 | Patient's body fluid collection assembly for uropoiesis surgery |
| CN114112548B (en) * | 2021-12-15 | 2024-06-04 | 李琦 | Patient body fluid collection assembly for urology surgery |
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