CN216797695U

CN216797695U - Convenient cutting device of nucleic acid collection swab

Info

Publication number: CN216797695U
Application number: CN202122771613.3U
Authority: CN
Inventors: 李珊珊; 夏薇玲; 范宁宁
Original assignee: Zhuhai Peoples Hospital
Current assignee: Zhuhai Peoples Hospital
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-24
Anticipated expiration: 2031-11-12

Abstract

The utility model relates to the technical field of nucleic acid sampling auxiliary devices, in particular to a convenient cutting device for a nucleic acid collection swab, which comprises a chassis, a placing sleeve and a telescopic rod A, wherein the placing sleeve is fixed on the left side of the upper surface of the chassis, a penetrating through opening is formed in the outer surface of the placing sleeve, clamping components are arranged in the through opening and at the position corresponding to the placing sleeve, a side pillar is fixed on the outer surface of the placing sleeve above the through opening, and the telescopic rod A is fixed on the upper surface of the chassis on the right side of the placing sleeve. According to the utility model, the swab for sampling penetrates through the hollow part of the mounting plate and is inserted into the collecting tube, then the handle knob is pulled towards one side, then the moving block overcomes the elasticity of the spring A and drives the cutter to slide towards one side, and finally the cutter can cut off the swab at a proper position, so that the problem that the surrounding environment is easily polluted due to the ejection of the sampling liquid when the swab is broken can be effectively avoided, and meanwhile, the sample is ensured not to be polluted.

Description

Convenient cutting device of nucleic acid collection swab

Technical Field

The utility model relates to the technical field of nucleic acid sampling auxiliary devices, in particular to a convenient cutting device for a nucleic acid collecting swab.

Background

According to published diagnosis and treatment schemes and detection technical guidelines, nucleic acid detection has become a key measure for screening, diagnosis and differential diagnosis of novel coronavirus infectors, the sample sources of nucleic acid detection comprise nasopharynx part, alveolar lavage fluid, blood, urine, excrement and the like, the virus load capacity of the nasopharynx part is the highest, and the sample collection is relatively simple and convenient, so that the nucleic acid detection of the nasopharynx swab sample has become one of the main means for diagnosing the novel coronary pneumonia.

At present, most of commonly used nucleic acid sampling swabs adopt medical grade ABS plastic rods, the rods have the characteristic of being not easy to break, after a collector collects a sample, a swab head needs to be immediately stored in sampling liquid, the plastic rods are broken under the condition that the collected swab head is not polluted, at the moment, the sampling liquid is easy to eject and splash to the periphery, the surrounding environment or the collector is easy to pollute, and therefore, the convenient cutting device for the nucleic acid sampling swabs is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a convenient cutting device for a nucleic acid sampling swab, which aims to solve the problem that the conventional nucleic acid sampling swab in the background technology mostly adopts a medical ABS plastic rod which is not easy to break.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a convenient cutting device of swab is gathered to nucleic acid, includes the chassis, places sleeve and telescopic link A, chassis upper surface left side is fixed with places the sleeve, place the sleeve surface and set up the opening of penetrability, the opening is inside and place sleeve corresponding position department and be provided with the centre gripping subassembly, it is fixed with the collateral branch post to place sleeve surface and be located the opening top, the chassis upper surface is located places the sleeve right side and is fixed with telescopic link A, and telescopic link A through two sets of connecting blocks with place sleeve outer fixed surface and be connected, the flexible end tip of telescopic link A is fixed with the installation piece, the inside subassembly that blocks that is provided with of installation piece.

Preferably, the installation piece upper surface has been seted up and has been accomodate the notch, and accomodate the notch and run through to the left side of installation piece, accomodate notch both sides wall surface symmetry and seted up spacing spout, two sets of spacing slidable mounting has spacing slider between the spacing spout, spacing slider left side fixed surface has the mounting panel, and the mounting panel size is less than accomodates the notch, and the mounting panel is cavity form.

Preferably, the cutting assembly comprises side grooves symmetrically formed in the inner wall surfaces of two sides of the mounting plate, two groups of moving blocks are slidably mounted in the side grooves, a cut-off knife is fixed on the left side surface of each moving block, a telescopic column B is fixed on the surface of the side wall of each side groove, which is far away from the limiting slide block, the end part of the telescopic end of the telescopic column B is fixedly connected with the side surface of each moving block, a spring A is sleeved on the outer surface of the telescopic column B, and two ends of the spring A are respectively and fixedly connected with the side surface of the spring A and the side surface of each moving block correspondingly.

Preferably, several including seting up in the guide hole of collateral branch post tip surface between the centre gripping is leased, and the guide hole extends to place inside the sleeve and with place the sleeve inside and communicate with each other, and the guide hole is the echelonment, the inside slip of guide hole is run through and is inserted and be equipped with the guide arm, the end fixing that the guide arm is located to place in the sleeve has the arc clamping head, the fixed fender ring that has cup jointed of arc clamping head department is located to the guide arm surface, and keeps off ring outside surface and guide hole inner wall surface sliding connection, the outer surface cover that the guide arm is located in the guide hole is equipped with spring B, and the spring B both ends correspond fixed connection with guide hole inner wall surface and fender ring inner wall surface respectively.

Preferably, a cutter releasing groove is formed in the surface of the left side wall in the mounting plate, and the end part of the cutter can be inserted into the cutter releasing groove in a matched manner.

Preferably, a handle is fixed on the upper surface of the moving block, and anti-skid grains are arranged on the outer surface of the handle.

Compared with the prior art, the utility model has the beneficial effects that:

1. the device can effectively solve the problem that the surrounding environment is easily polluted because the sampling liquid is popped out when the swab is directly broken by hand in the prior art through the cutting-off component, the swab for sampling is inserted into the collecting pipe after penetrating through the hollow part of the mounting plate in the device, then the pinching handle is pulled to one side, and then the moving block overcomes the elasticity of the spring A and drives the cutter to slide to one side, and finally the cutter can cut off the swab at a proper position, so that the problem that the surrounding environment is easily polluted because the sampling liquid is popped out when the swab is broken can be effectively avoided, and meanwhile, the sample is ensured not to be polluted;

2. through pulling guide rod tip in this device, the guide arm is drawn and will be overcome spring B elasticity and drive arc clamping head and move to the outside, final arc clamping head will laminate in placing sleeve inner wall surface, and then place sleeve port department and give way the space, the person of gathering inserts the sampling tube this moment to placing inside the sleeve, not hard up guide arm afterwards, it slides and resets to drive the guide arm under spring B's elasticity effect, and then arc clamping head will hug closely in sampling tube outer wall surface, with the fixed effect of fine centre gripping, can effectively prevent the condition because of the careless sampling tube roll-off of operation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial structural view of the surface of the mounting block of the present invention;

FIG. 3 is a schematic view of a cut-off assembly according to the present invention;

FIG. 4 is a schematic view of a clamping assembly according to the present invention.

In the figure: 1. a chassis; 2. placing a sleeve; 201. a port; 202. a side strut; 3. a telescopic rod A; 4. mounting blocks; 401. a receiving slot; 402. a limiting chute; 403. a limiting slide block; 404. mounting a plate; 5. a side groove; 501. a moving block; 502. a cutter; 503. a telescopic column B; 504. a spring A; 505. a cutter groove; 506. a handle knob; 6. a guide hole; 601. a guide bar; 602. an arc-shaped clamping head; 603. a baffle ring; 604. and a spring B.

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.

Referring to fig. 1-4, an embodiment of the present invention is shown:

a convenient cutting device for a nucleic acid collection swab comprises a chassis 1, a placing sleeve 2 and a telescopic rod A3, wherein the placing sleeve 2 is fixed on the left side of the upper surface of the chassis 1, a penetrating through port 201 is formed in the outer surface of the placing sleeve 2, clamping components are arranged in the through port 201 and at the position corresponding to the placing sleeve 2, a side pillar 202 is fixed on the outer surface of the placing sleeve 2 above the through port 201, a telescopic rod A3 is fixed on the upper surface of the chassis 1 and on the right side of the placing sleeve 2, a telescopic rod A3 is fixedly connected with the outer surface of the placing sleeve 2 through two groups of connecting blocks, a mounting block 4 is fixed at the end part of the telescopic end of a telescopic rod A3, and a cutting component is arranged in the mounting block 4;

further, a containing notch 401 is formed in the upper surface of the mounting block 4, the containing notch 401 penetrates to the left side of the mounting block 4, limiting sliding grooves 402 are symmetrically formed in the surfaces of two side walls of the containing notch 401, a limiting sliding block 403 is arranged between two groups of limiting sliding grooves 402 in a limiting sliding mode, a mounting plate 404 is fixed on the surface of the left side of the limiting sliding block 403, the mounting plate 404 is smaller than the containing notch 401 in size, the mounting plate 404 is hollow, the mounting block 4 can be adjusted to be at a proper height under the telescopic action of a telescopic rod A3 by pulling the mounting block 4, then a handle 506 is pinched by a hand and pushed lightly, the limiting sliding action of the limiting sliding block 403 and the limiting sliding groove 402 is carried out until the limiting sliding block 403 is pushed to the limit position of the limiting sliding groove 402, and at the moment, the hollow position of the mounting plate 404 is aligned with the port of the placing sleeve 2, so that insertion of a swab is facilitated;

further, the cutting-off assembly comprises side grooves 5 symmetrically arranged on the inner wall surfaces of two sides of the mounting plate 404, a moving block 501 is slidably arranged in each of the two groups of side grooves 5, a cutting knife 502 is fixed on the left side surface of the moving block 501, a telescopic column B503 is fixed on the side wall surface of each side groove 5 far away from the limit slider 403, the end portion of the telescopic end of the telescopic column B503 is fixedly connected with the side surface of the moving block 501, a spring A504 is sleeved on the outer surface of the telescopic column B503, the two ends of the spring A504 are respectively and fixedly connected with the side wall surface of the spring A504 and the side surface of the moving block 501 correspondingly, after the detection is finished, a swab for sampling penetrates through the hollow portion of the mounting plate 404 and is inserted into the collecting tube, then the handle knob 506 is pulled to one side, the moving block 501 overcomes the elastic force of the spring A504 and drives the cutting knife 502 to slide to one side, finally, the cutting-off of the swab at a proper position can effectively avoid ejection of the sampling liquid when the swab is broken, thereby easily polluting the surrounding environment and simultaneously ensuring that the sample is not polluted;

furthermore, the holding space includes a guide hole 6 opened on the end surface of the side pillar 202, the guide hole 6 extends into the placing sleeve 2 and is communicated with the inside of the placing sleeve 2, the guide hole 6 is in a step shape, a guide rod 601 is inserted into the guide hole 6 in a sliding way, the end of the guide rod 601 in the placing sleeve 2 is fixed with an arc-shaped clamping head 602, the outer surface of the guide rod 601 at the arc-shaped clamping head 602 is fixedly sleeved with a baffle ring 603, the outer side surface of the baffle ring 603 is connected with the inner wall surface of the guide hole 6 in a sliding way, the outer surface of the guide rod 601 in the guide hole 6 is sleeved with a spring B604, the two ends of the spring B604 are respectively and fixedly connected with the inner wall surface of the guide hole 6 and the inner wall surface of the baffle ring 603, before the collector collects the sample, the end of the guide rod 601 is pulled to overcome the elastic force of the spring B604 and drive the arc-shaped clamping head 602 to move outwards, finally, the arc-shaped clamping head 602 is attached to the inner wall surface of the placing sleeve 2, then, a port of the placing sleeve 2 is left out, a collector inserts the sampling tube into the placing sleeve 2 at the moment, then the guide rod 601 is loosened, the guide rod 601 is driven to slide and reset under the elastic action of the spring B604, and the arc-shaped clamping head 602 is tightly attached to the outer wall surface of the sampling tube, so that a good clamping and fixing effect is achieved;

furthermore, a cutter slot 505 is formed in the surface of the left side wall in the mounting plate 404, and the end of the cutter 502 can be inserted into the cutter slot 505 in a matching manner, so that the cutter slot 505 provides a space for the end of the cutter 502 to be inserted, and the transverse cutting of the swab by the cutter 502 is facilitated;

further, the upper surface of the moving block 501 is fixed with a knob 506, and the outer surface of the knob 506 is provided with anti-slip lines, so that the knob 506 provides a good stress point, the device can be conveniently pulled, and meanwhile, the anti-slip lines increase the friction between the knob 506 and fingers, and further the condition that the hands slip when being pulled is avoided.

The working principle is as follows: when the device is used, a collector pulls the end part of the guide rod 601 before collecting a sample, the guide rod 601 is pulled to overcome the elasticity of the spring B604 and drive the arc-shaped clamping head 602 to move outwards, finally the arc-shaped clamping head 602 is attached to the surface of the inner wall of the placing sleeve 2, and then the port part of the placing sleeve 2 gives up space, the collector inserts the sampling tube into the placing sleeve 2 at the moment, then the guide rod 601 is loosened, the guide rod 601 is driven to slide and reset under the elasticity of the spring B604, and the arc-shaped clamping head 602 is tightly attached to the surface of the outer wall of the sampling tube, so that a good clamping and fixing effect is achieved, the situation that the sampling tube slips out due to careless operation can be effectively prevented, the situation of the bottom of the sampling tube can be observed through the through hole 201, then the mounting block 4 is pulled, the mounting block 4 can be adjusted to a proper height under the telescopic action of the telescopic rod A3, and then the handle 506 is pinched by hand and pushed lightly, under the spacing sliding action of spacing slider 403 and spacing spout 402, until the extreme position department that pushes away spacing slider 403 spacing spout 402, the cavity of mounting panel 404 aligns with placing sleeve 2 port this moment, after the detection finishes, the swab that will sample the usefulness passes behind the cavity of mounting panel 404 and inserts to inside the collection pipe, pull handle 506 to one side afterwards, and then movable block 501 will overcome spring A504 elasticity and drive cut-off knife 502 and slide to one side, final cut-off knife 502 can cut off the swab in suitable position department, pop out because of the sampling liquid when can effectively avoiding appearing the rupture, and then the problem of easy pollution surrounding environment, guaranteed simultaneously that the sample does not receive the pollution, let sword groove 505 provide the space, make things convenient for the insertion of cut-off knife 502 tip, and then made things convenient for the crosscut of cut-off knife 502 to the swab.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a convenient cutting device of nucleic acid collection swab, includes chassis (1), places sleeve (2) and telescopic link A (3), its characterized in that: chassis (1) upper surface left side is fixed with places sleeve (2), place sleeve (2) surface and set up opening (201) of penetrability, opening (201) inside and place sleeve (2) and correspond position department and be provided with the centre gripping subassembly, it is fixed with collateral branch post (202) to place sleeve (2) surface and be located opening (201) top, chassis (1) upper surface is located places sleeve (2) right side and is fixed with telescopic link A (3), and telescopic link A (3) through two sets of connecting blocks with place sleeve (2) outer fixed surface and be connected, telescopic link A (3) flexible end fixing has installation piece (4), installation piece (4) inside is provided with blocks the subassembly.

2. The convenient nucleic acid collection swab cutting device of claim 1, wherein: installation piece (4) upper surface has been seted up and has been accomodate notch (401), and accomodate notch (401) and run through to the left side of installation piece (4), accomodate notch (401) both sides wall surface symmetry and seted up spacing spout (402), two sets of spacing slidable mounting has spacing slider (403) between spacing spout (402), spacing slider (403) left side fixed surface has mounting panel (404), and the size of mounting panel (404) is less than and accomodates notch (401), and mounting panel (404) are the cavity form.

3. The convenient nucleic acid collection swab cutting device of claim 2, wherein: cut the subassembly and include that the symmetry is seted up in side groove (5) of mounting panel (404) both sides inner wall surface, it is two sets of side groove (5) inside slidable mounting has movable block (501), movable block (501) left side fixed surface has cut-off knife (502), the lateral wall fixed surface that spacing slider (403) was kept away from in side groove (5) has flexible post B (503), and flexible post B (503) flexible end portion and movable block (501) side fixed connection, flexible post B (503) surface cover is equipped with spring A (504), and spring A (504) both ends correspond fixed connection with spring A (504) side wall surface and movable block (501) side surface respectively.

4. The convenient nucleic acid collection swab cutting device of claim 3, wherein: several including seting up guide hole (6) in side branch post (202) end surface between the centre gripping is leased, and guide hole (6) extend to place sleeve (2) inside and with place sleeve (2) inside and communicate with each other, and guide hole (6) are the echelonment, guide hole (6) inside slip runs through to be inserted and is equipped with guide arm (601), end fixing that guide arm (601) are located and place sleeve (2) has arc card head (602), guide arm (601) surface position arc card head (602) department fixed cover is connected with fender ring (603), and keeps off ring (603) outside surface and guide hole (6) inner wall surface sliding connection, the outer surface cover that guide arm (601) are located guide hole (6) is equipped with spring B (604), and spring B (604) both ends correspond fixed connection with guide hole (6) inner wall surface and fender ring (603) inner wall surface respectively.

5. The convenient nucleic acid collection swab cutting device of claim 4, wherein: a cutter allowing groove (505) is formed in the surface of the inner left side wall of the mounting plate (404), and the end part of the cutter (502) can be inserted into the cutter allowing groove (505) in a matched mode.

6. The convenient nucleic acid collection swab cutting device of claim 5, wherein: the upper surface of the moving block (501) is fixed with a knob handle (506), and the outer surface of the knob handle (506) is provided with anti-skid grains.