CN217614831U

CN217614831U - Disposable conveying culture medium

Info

Publication number: CN217614831U
Application number: CN202221913924.7U
Authority: CN
Inventors: 朱晓红
Original assignee: Qingdao Ama Co ltd
Current assignee: Qingdao Ama Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-10-21
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a medical instrument technical field's a disposable culture medium that transports, including sampling pipe, pipe cap, sampling pole, sampling head, silica gel sheet metal, stock solution chamber, stock solution intracavity block has can follow the piston of sampling pipe axial free slip, and the sampling socle portion is equipped with the logical groove that link up the stock solution chamber, and the piston is equipped with a plurality of cutting parts on the terminal surface of silica gel sheet metal. Through extrusion piston up, make the piston produce the pressurization to the reagent of stock solution intracavity, and make the cutting part move up, and then produce the cutting to the silica gel sheet metal, make the reagent can flow into in the sampling tube by the gap that the silica gel sheet metal cutting was come out, and contact the sampling head, and then can carry out sample pretreatment, relative prior art, the silica gel sheet metal is better to stock solution chamber and the intraduct sealed effect of sampling tube, avoid before the sampling, in the reagent leaks the sampling tube, in addition through the extrusion piston, make the piston amount of movement can control, and then the steerable reagent volume that flows into in the sampling tube.

Description

Disposable conveying culture medium

Technical Field

The utility model relates to the technical field of medical equipment, specifically a disposable culture medium that transports.

Background

The conveying culture medium is a common collecting and conveying device and can finish the pretreatment of collecting and conveying samples.

Through retrieval, chinese patent No. CN210474033U discloses a transport culture medium, which comprises a liquid containing pipe, a connector, a sampling rod and a sampling pipe, wherein an aluminum foil is arranged at the pipe orifice of the liquid containing pipe, and a first external thread is arranged on the outer side wall of the liquid containing pipe, which is positioned at one end of the pipe orifice; the connector comprises an upper connecting sleeve and a lower connecting sleeve arranged at the bottom of the upper connecting sleeve, a supporting frame is arranged at the bottom in the upper connecting sleeve, a puncture head is arranged at the top of the supporting frame, a first internal thread is arranged on the inner side wall of the upper connecting sleeve, the liquid containing pipe is in threaded connection with the upper connecting sleeve through the first external thread and the first internal thread, and the upper end of the sampling pipe is sleeved on the lower connecting sleeve; the upper end of the sampling rod is inserted at the bottom of the supporting frame.

The culture medium that transports among the above-mentioned prior art punctures the aluminium foil through the puncture head for in reagent gets into the sampling tube, but the aluminium foil sealed effect is relatively poor, and the uncontrollable reagent gets into the volume in the sampling tube.

Based on this, the utility model designs a disposable culture medium that transports to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a disposable culture medium that transports to solve the culture medium that transports among the prior art that proposes among the above-mentioned background art, puncture the aluminium foil through the puncture head for in reagent gets into the sampling tube, but the aluminium foil is sealed relatively poor in effect, and the problem of the volume in the uncontrollable reagent gets into the sampling tube.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a disposable medium that transports, includes the sampling pipe, the sampling pipe upper end can be dismantled and be connected with the pipe cap, the rigid coupling has the sampling pole on the pipe cap, the sampling pole lower extreme is equipped with the sampling head, the tip is equipped with the silica gel thin plate under the sampling pipe, enclose into a stock solution chamber between silica gel thin plate and the intraductal diapire of sampling, stock solution intracavity block has can follow the piston of sampling pipe axial free slip, the sampling socle portion is equipped with the logical groove that link up the stock solution chamber, the piston is equipped with a plurality of cutting portions towards the terminal surface of silica gel thin plate.

In the above disposable transport medium, the tube cap is provided with a rubber plug clamped in the sampling tube.

In the disposable culture medium that transports of above, the intraductal diapire of sampling is equipped with the round bead, be equipped with the ring groove who supplies the bead block on the plug periphery.

In the disposable transport medium, the piston is provided with a pressing part which can freely pass through the through groove.

In the disposable transporting culture medium, a plurality of elastic pieces are arranged on the inner wall of the sampling tube along the axial direction of the sampling tube, and the sampling rod can penetrate through the elastic pieces.

Compared with the prior art, the beneficial effects of the utility model are that: through extrusion piston up, make the piston produce the pressurization to the reagent of stock solution intracavity, and make the cutting part move up, and then produce the cutting to the silica gel sheet metal, make the reagent can flow into in the sampling tube by the gap that the silica gel sheet metal cutting was come out, and contact the sampling head, and then can carry out sample pretreatment, relative prior art, the silica gel sheet metal is better to stock solution chamber and the intraduct sealed effect of sampling tube, avoid before the sampling, in the reagent leaks the sampling tube, in addition through the extrusion piston, make the piston amount of movement can control, and then the steerable reagent volume that flows into in the sampling tube.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an exploded view of the structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 1;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

the sampling device comprises a pipe cap 1, a rubber plug 2, a sampling rod 3, a sampling head 4, a silica gel sheet 5, a cutting part 6, a pressing part 7, a piston 8, a through groove 9, a sampling pipe 10, an annular clamping groove 11, an elastic sheet 12 and a liquid storage cavity 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a disposable transport culture medium, including sampling pipe 10, sampling pipe 10 upper end can be dismantled and be connected with pipe cap 1, the rigid coupling has sampling rod 3 on the

pipe cap

1, 3 lower extremes of sampling rod are equipped with sampling head 4, tip is equipped with silica gel sheet metal 5 under the sampling pipe 10, enclose into a stock solution chamber 13 between the bottom wall in silica gel sheet metal 5 and the sampling pipe 10, stock solution chamber 13 inside block has can follow sampling pipe 10 axial free sliding's piston 8, sampling pipe 10 bottom is equipped with logical groove 9 that link up stock solution chamber 13, piston 8 is equipped with a plurality of cutting parts 6 towards one end of silica gel sheet metal 5, the back that finishes of sampling head sampling, stretch into the sampling head in the sampling pipe, and install pipe cap 1 on sampling pipe 10, again towards 1 direction extrusion piston of pipe cap, make the piston produce the extrusion to the reagent of stock solution intracavity, when the piston shifts up simultaneously, make the cutting part produce the cutting effect to the silica gel sheet metal, and then make the silica gel sheet metal surface appear the crack, under the piston pressurization effect, the reagent of stock solution intracavity will flow into in the crack from the crack, and contact with the sampling head, and then can handle the sample of sampling head.

In this embodiment, be equipped with the plug 2 of block in sampling pipe 10 on the pipe cap 1, through 2 blocks of plugs in sampling pipe for 1 installation of pipe cap is comparatively convenient.

In this embodiment, the bottom wall is equipped with round bead 14 in sampling pipe 10, is equipped with the ring groove 11 that supplies 14 blocks of bead on 2 peripheries of plug, and when 2 blocks of plug were in sampling pipe 10, bead 14 will block in ring groove 11, avoided the plug to produce like this and remove by oneself, leaded to the pipe cap to drop from the sampling pipe.

In this embodiment, be equipped with on the piston 8 and press splenium 7, press splenium 7 can freely pass through groove 9, and the staff points to pass through groove 9 to the extrusion presses splenium 7, makes to press splenium 7 to drive piston 8 and move up, makes like this to drive piston 8 and remove more conveniently.

In this embodiment, be equipped with a plurality of flexure strips 12 along its axial array on the sampling pipe 10 inner wall, sampling rod 3 can be passed between a plurality of flexure strips 12, produces limiting displacement of certain degree to sampling rod 3 through flexure strip 12 like this, when avoiding sampling pipe 10 to produce vibrations, leads to the sampling head to receive the influence.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, thereby enabling others skilled in the art to best understand the invention and its practical application. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a disposable medium of transporting, includes sampling pipe (10), its characterized in that, sampling pipe (10) upper end can be dismantled and be connected with pipe cap (1), the rigid coupling has sampling rod (3) on pipe cap (1), sampling rod (3) lower extreme is equipped with sampling head (4), tip is equipped with silica gel sheet metal (5) under sampling pipe (10), enclose into one stock solution chamber (13) between silica gel sheet metal (5) and the interior diapire of sampling pipe (10), stock solution chamber (13) interior joint has can follow sampling pipe (10) axial free slip's piston (8), sampling pipe (10) bottom is equipped with logical groove (9) of lining up stock solution chamber (13), piston (8) are equipped with a plurality of cutting parts (6) towards the terminal surface of silica gel sheet metal (5).

2. A disposable transport medium according to claim 1, wherein the cap (1) is provided with a plug (2) that is snapped into the sampling tube (10).

3. The disposable medium of claim 2, wherein the inner bottom wall of the sampling tube (10) is provided with a circle of ribs (14), and the periphery of the rubber plug (2) is provided with an annular clamping groove (11) for clamping the ribs (14).

4. A disposable transport medium according to claim 1, characterized in that said piston (8) is provided with a pressing portion (7), said pressing portion (7) being able to pass freely through the through slot (9).

5. A single-use transport medium according to claim 1, wherein the sampling tube (10) has a plurality of elastic strips (12) on its inner wall in an axial array, and the sampling rod (3) can pass between the plurality of elastic strips (12).