CN219000351U

CN219000351U - Press-falling type disposable sampler

Info

Publication number: CN219000351U
Application number: CN202222440240.6U
Authority: CN
Inventors: 徐晶晶; 陈志颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-05-12
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses a press-and-drop type disposable sampler, which belongs to the technical field of samplers and comprises an outer tube, wherein the inner cavity of the outer tube is slidably connected with a push rod, the inner cavity of the outer tube is provided with a connecting rod, the connecting rod is positioned at the lower side of the push rod, the lower end of the connecting rod is fixedly connected with a swab head, and a clamping mechanism is arranged between the connecting rod and the outer tube.

Description

Press-falling type disposable sampler

Technical Field

The utility model relates to the technical field of samplers, in particular to a disposable pressing-falling sampler.

Background

In clinical examination, a disposable sampler is often required to collect samples of infection sites such as oral cavity, wound surface, genitourinary tract and the like so as to perform operations such as pathogen culture, pathogen antigen or nucleic acid detection and the like, thereby providing laboratory evidence for clinical disease diagnosis.

An utility model of patent No. 202021334985.9 describes a single use sampler, which has the following description in the background: when sampling the sample, medical personnel take disposable sampler to detect the person that detects when taking the swab pole, utilize the inboard mode of contacting of big finger front end inboard and forefinger middle part, place the swab head of disposable sampler front end inside the virus preservation liquid test tube after the sample is ended, with sampler main part itself rupture, make the swab head remain inside the virus preservation liquid test tube, utilize the bottle lid to screw the virus preservation liquid test tube, accomplish the sampling and the save to the sample.

The utility model adopts the traditional breakpoint type swab rod, the swab head is not easy to break in the process of placing the swab head in a test tube, a medical staff is often required to break the swab rod at the breakpoint of the finger close to the swab rod, the number of samplers contacted by the medical staff in a short time is large, bacteria can remain on the glove, if the finger is too close to the swab head, pollution is easily caused, and accordingly, errors of detection results are caused.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a press-and-drop type disposable sampler, which can realize that in the process of sampling by using the sampler, after the sampling is completed, a swab is not required to be broken off, and the swab head with the collected sample can be separated from the sampler by pushing a connecting rod and the swab head out of an outer tube in a push rod pressing manner, so that the swab head with the collected sample falls into a test tube for storage, the finger is prevented from being in close contact with the swab head, the sample is not polluted, and the accuracy of a detection result is improved.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a press-off type disposable sampler, includes the outer tube, the inner chamber sliding connection of outer tube has the push rod, the inner chamber of outer tube is provided with the connecting rod, the connecting rod is located the downside of push rod, the lower extreme fixedly connected with swab head of connecting rod, be equipped with joint mechanism between connecting rod and the outer tube, this scheme can realize the in-process of using the sampler to sample, need not to break the swab after the sampling is accomplished, release the outer tube with connecting rod and swab head through the mode of pressing the push rod, can separate the swab head that gathers there is the sample and sampler, make it fall into the test tube that is used for preserving, avoided finger and swab head close range contact, can not cause the pollution to the sample, the accuracy of testing result has been improved.

Further, joint mechanism includes draw-in column and draw-in groove, the draw-in groove sets up in the upper end of connecting rod, the draw-in groove is excavated in the outer end of outer tube, the quantity of draw-in column and draw-in groove is four, the draw-in column cooperatees with the draw-in groove, draw-in column is equipped with the chamfer with draw-in groove cooperation department, through setting up joint mechanism, can make connecting rod and outer tube link together through the mode of joint, at the in-process of sampling, under the mutually supporting effect of draw-in column and draw-in groove, the swab head can not retract in the outer tube, makes things convenient for medical personnel to sample, and simultaneously after the sampling is accomplished, usable push rod is ejecting the connecting rod, conveniently saves the swab head.

Further, the lower extreme fixedly connected with rubber post of push rod, the rubber post is located the upside of connecting rod, through setting up the rubber post, when utilizing the push rod to push out the connecting rod from the outer tube in, under the guiding action of chamfer, the inner chamber that the upper end of draw-in post breaks away from the draw-in groove is retracted to the connecting rod axle center, thereby owing to the draw-in groove has certain elasticity to have certain frictional force between make draw-in groove and the outer tube inner wall, the rubber post receives certain pressure and produces the compression when utilizing the push rod to push out the connecting rod, have certain elastic potential energy, in the moment that the draw-in post on the connecting rod breaks away from the outer tube, elastic potential energy release in the rubber post, can be with connecting rod and swab head forward catapulting a short distance, thereby be convenient for place the swab head in the test tube.

Further, the upper end cover of push rod is equipped with the rubber sleeve, the rubber sleeve adopts rubber material to make, through setting up the rubber sleeve of adopting rubber material to make, can protect the upper end of push rod, when pressing the push rod, can increase the area of contact between push rod upper end and medical personnel's thumb, reduces the pressure on the unit area on the finger for medical personnel presses more comfortablely.

Further, the outer end fixedly connected with sponge cover of push rod, the outer end of sponge cover and the inner chamber interference fit of outer tube through setting up outer end and outer tube inner chamber interference fit's sponge cover, after inserting the push rod in the outer tube, can make to have certain frictional force between push rod and the outer tube, make it can not deviate from the outer tube under the effect of no external force.

Further, the outer end of outer tube adopts the frosting to polish the processing, through carrying out the outer end of outer tube and frosting to polish the processing, makes its surface comparatively coarse for medical personnel has great frictional force between finger and the outer tube when taking the sample thief, is difficult for droing.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the outer tube, the push rod, the connecting rod, the swab head, the clamping mechanism and the rubber column are arranged, so that after sampling by using the sampler is completed, the swab is not required to be broken off, the connecting rod and the swab head are pushed out of the outer tube by pressing the push rod, and the swab head with the collected sample can be separated from the sampler, so that the swab head with the collected sample falls into a test tube for storage, the short-distance contact between a finger and the swab head is avoided, the sample is not polluted, and the accuracy of a detection result is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure at A of the present utility model;

FIG. 3 is a schematic perspective view of a structure of a locking mechanism according to the present utility model;

fig. 4 is an enlarged schematic view of the structure at B of the present utility model.

The reference numerals in the figures illustrate:

1. an outer tube; 2. a push rod; 3. a connecting rod; 4. a swab head; 5. a clamping mechanism; 501. a clamping column; 502. a clamping groove; 6. a rubber column; 7. a rubber sleeve; 8. a sponge sleeve.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-4, a disposable sampler capable of falling off under pressing comprises an outer tube 1, wherein a push rod 2 is slidably connected to an inner cavity of the outer tube 1, a connecting rod 3 is arranged in the inner cavity of the outer tube 1 and positioned at the lower side of the push rod 2, a swab head 4 is fixedly connected to the lower end of the connecting rod 3, and a clamping mechanism 5 is arranged between the connecting rod 3 and the outer tube 1.

Referring to fig. 1-3, the clamping mechanism 5 includes a clamping column 501 and a clamping groove 502, the clamping groove 502 is arranged at the upper end of the connecting rod 3, the clamping groove 502 is cut at the outer end of the outer tube 1, the clamping column 501 and the clamping groove 502 are four in number, the clamping column 501 is matched with the clamping groove 502, the matching part of the clamping column 501 and the clamping groove 502 is provided with a chamfer angle, the connecting rod 3 and the outer tube 1 can be connected together through the clamping mechanism 5, in the sampling process, under the interaction of the clamping column 501 and the clamping groove 502, the swab head 4 cannot retract into the outer tube 1, the sampling is convenient for medical staff, and meanwhile, after the sampling is completed, the connecting rod 3 can be ejected out by the push rod 2, so that the swab head 4 can be conveniently stored.

Referring to fig. 1-2, the lower end of the push rod 2 is fixedly connected with a rubber column 6, the rubber column 6 is located at the upper side of the connecting rod 3, by arranging the rubber column 6, when the connecting rod 3 is ejected from the outer tube 1 by the push rod 2, under the guiding action of chamfering, the upper end of the clamping column 501 is separated from the inner cavity of the clamping groove 502 to retract towards the axis of the connecting rod 3, and as the clamping groove 502 has certain elasticity, a certain friction force is formed between the clamping groove 502 and the inner wall of the outer tube 1, when the connecting rod 3 is ejected by the push rod 2, the rubber column 6 is compressed by a certain pressure, a certain elastic potential energy is provided, and when the clamping column 501 on the connecting rod 3 is separated from the outer tube 1, the elastic potential energy in the rubber column 6 is released, so that the connecting rod 3 and the swab head 4 can be ejected forwards for a small distance, thereby facilitating the placing of the swab head 4 into a test tube.

Referring to fig. 1, the upper end of the push rod 2 is sleeved with a rubber sleeve 7, the rubber sleeve 7 is made of rubber material, the upper end of the push rod 2 can be protected by arranging the rubber sleeve 7 made of rubber material, when the push rod 2 is pressed, the contact area between the upper end of the push rod 2 and the thumb of a medical care worker can be increased, the pressure intensity on the unit area of fingers is reduced, and the medical care worker can press more comfortably.

Referring to fig. 1 and 4, the outer end of the push rod 2 is fixedly connected with a sponge sleeve 8, the outer end of the sponge sleeve 8 is in interference fit with the inner cavity of the outer tube 1, and after the push rod 2 is inserted into the outer tube 1, a certain friction force can be generated between the push rod 2 and the outer tube 1 by arranging the sponge sleeve 8 with the outer end in interference fit with the inner cavity of the outer tube 1, so that the push rod 2 cannot be separated from the outer tube 1 under the action of no external force.

Referring to fig. 1-4, the outer end of the outer tube 1 is subjected to sanding and polishing, and the outer end of the outer tube 1 is subjected to sanding and polishing to make the surface rough, so that a medical staff has larger friction force between the finger and the outer tube 1 when taking the sampler, and the medical staff is not easy to fall off.

In the utility model, when the sampler is produced, an operator in a factory firstly installs a swab head 4 at the lower end of an outer tube 1 through a clamping mechanism 5, the concrete installation mode is that four clamping columns 501 on a connecting rod 3 are respectively correspondingly clamped into four clamping grooves 502 on the outer tube 1, the clamping between the connecting rod 3 and the outer tube 1 is completed through the mutual matching of the clamping columns 501 and the clamping grooves 502, the connecting rod 3 and the swab head 4 are not easy to fall off, then a push rod 2 is inserted into the outer tube 1 from top to bottom, the lower end of a rubber column 6 is contacted with the upper end of the connecting rod 3, the sampler is packed after the sampler is assembled, a medical staff takes samples by using the sampler, after the sampling is completed, the swab head 4 is placed in a test tube for preserving, the connecting rod 3 and the outer tube 1 are still positioned outside the test tube, then the outer tube 1 is held by four fingers, the contact area between the upper end of the push rod 2 and the thumb of medical staff can be increased by the rubber sleeve 7 by forcefully pressing the push rod 2 downwards, so that the push rod 2 moves downwards and simultaneously the connecting rod 3 moves downwards, under the guiding action of a chamfer angle, the upper end of the clamping column 501 is separated from the inner cavity of the clamping groove 502 and retracted towards the axis of the connecting rod 3, a certain friction force is formed between the clamping groove 502 and the inner wall of the outer tube 1 due to certain elasticity of the clamping groove 502, the rubber column 6 is compressed by certain pressure when the connecting rod 3 is ejected by the push rod 2, a certain elastic potential energy is provided, the elastic potential energy in the rubber column 6 is released when the clamping column 501 on the connecting rod 3 is separated from the outer tube 1, the connecting rod 3 and the swab head 4 can be ejected forwards for a small distance, thereby placing the swab head 4 into a test tube, sampling and preservation of a sample are completed, the rest on the sampler is rationally discarded, compared with the prior art, this scheme can be realized using the in-process of sampler sampling, after the sampling is accomplished, need not to break the swab, release the outer tube with connecting rod and swab head 4 through the mode of pressing push rod 2, can separate the swab head 4 that gathers there is the sample with the sampler, make it fall into the test tube that is used for preserving, avoided finger and swab head 4 close range contact, can not cause the pollution to the sample, improved the accuracy of testing result.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a press-off type disposable sampler, includes outer tube (1), its characterized in that: the inner cavity sliding connection of outer tube (1) has push rod (2), the inner cavity of outer tube (1) is provided with connecting rod (3), connecting rod (3) are located the downside of push rod (2), the lower extreme fixedly connected with swab head (4) of connecting rod (3), be equipped with joint mechanism (5) between connecting rod (3) and outer tube (1).

2. The push-off single use sampler of claim 1 wherein: the clamping mechanism (5) comprises clamping columns (501) and clamping grooves (502), the clamping grooves (502) are formed in the upper end of the connecting rod (3), the clamping grooves (502) are cut in the outer end of the outer tube (1), the number of the clamping columns (501) and the number of the clamping grooves (502) are four, the clamping columns (501) are matched with the clamping grooves (502), and chamfering is arranged at the matched positions of the clamping columns (501) and the clamping grooves (502).

3. The push-off single use sampler of claim 1 wherein: the lower extreme fixedly connected with rubber post (6) of push rod (2), rubber post (6) are located the upside of connecting rod (3).

4. The push-off single use sampler of claim 1 wherein: the upper end of the push rod (2) is sleeved with a rubber sleeve (7), and the rubber sleeve (7) is made of rubber materials.

5. The push-off single use sampler of claim 1 wherein: the outer end of the push rod (2) is fixedly connected with a sponge sleeve (8), and the outer end of the sponge sleeve (8) is in interference fit with the inner cavity of the outer tube (1).

6. The push-off single use sampler of claim 1 wherein: the outer end of the outer tube (1) is subjected to frosting and polishing treatment.