CN216233688U

CN216233688U - Normal atmospheric temperature preservation pipe with two sample preservation chambeies

Info

Publication number: CN216233688U
Application number: CN202220440030.4U
Authority: CN
Inventors: 康亮亮; 曹德盼; 杨俊�; 姚佳玥; 李东东; 纪丹丹; 蒋智
Original assignee: Tianjin Jinke Medical Technology Co ltd
Current assignee: Tianjin Jinke Medical Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-04-08
Anticipated expiration: 2032-03-03

Abstract

The utility model relates to a normal temperature preservation tube with double sample preservation cavities. The device comprises a sample storage tube, an acquisition funnel used in the sampling process and a buckle cover used after acquisition; the sample storage tube comprises a storage tube body, a partition plate is arranged in the middle of an inner cavity of the sample storage tube to divide the inner cavity into a first storage cavity and a second storage cavity which are independent, storage liquid is respectively arranged in the two storage cavities, and openings at the tops of the first storage cavity and the second storage cavity are sealed by a pierceable sealing component; the collecting funnel comprises a funnel body with the bottom closed by a bottom plate, a first shunt pipe and a second shunt pipe with the bottoms provided with tip ends are arranged on the bottom plate, and the first shunt pipe pierces a sealing assembly on the first storage cavity and the second shunt pipe pierces a sealing assembly on the second storage cavity during sampling; the buckle cover is buckled at the upper end of the sample preservation tube to seal the opening. The utility model has reasonable structural design and convenient and labor-saving operation, and can finish the collection of the DNA detection sample and the RNA detection sample simultaneously in a single operation.

Description

Normal atmospheric temperature preservation pipe with two sample preservation chambeies

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a normal-temperature storage tube with double sample storage cavities.

Background

Pathogenic microorganisms refer to microorganisms, or pathogens, that can cause infection or even infectious disease, including specifically prions, parasites, fungi, bacteria, viruses, and the like. At present, the widely applied pathogenic microorganism detection methods mainly include direct smear microscopy, separation culture, biochemical reaction, serological reaction, nucleic acid molecule hybridization, gene chip, polymerase chain reaction and the like. Before the detection of pathogenic microorganisms, the sampling of a detection sample is required, wherein the sampling of the sample refers to the acquisition of the sample containing the pathogenic microorganisms, the acquired sample is placed in a preservation pipe to be mixed with preservation solution, and then the acquired sample is sent to a detection mechanism for the detection of the pathogenic microorganisms.

The preservation pipe that uses among the current sample collection process is single body structure usually, and the single can only be preserved a sample. However, in some pathogenic microorganism detection methods based on gene sequencing principle, it is usually necessary to perform DNA detection and RNA detection, and thus it is necessary to perform two sample collection operations at a time during the sample collection process. As described above, the existing sample storage tube intelligently stores one sample, which results in two times of collection operations in a scene of collecting two samples, resulting in complex operation and large workload.

Therefore, the structure of the preservation tube needs to be optimally designed according to the requirement of the existing sample collection work so as to solve the aforementioned problems.

Disclosure of Invention

The utility model provides a normal temperature storage tube with double sample storage cavities, which is reasonable in structural design, convenient and labor-saving to operate and aims to solve the technical problems in the known technology, and the collection of a DNA detection sample and an RNA detection sample is completed simultaneously in a single operation.

The technical scheme adopted by the utility model for solving the technical problems in the prior art is as follows: a normal temperature preservation tube with double sample preservation cavities comprises a sample preservation tube, a collection funnel used in the sampling process and a buckle cover used after collection; the sample storage tube comprises a storage tube body, a partition plate is arranged in the middle of an inner cavity of the storage tube body to divide the inner cavity into a first storage cavity and a second storage cavity which are independent, storage liquid is respectively arranged in the two storage cavities, and openings at the tops of the first storage cavity and the second storage cavity are sealed by a pierceable sealing assembly; the collecting funnel comprises a funnel body with the bottom closed by a bottom plate, a first shunt pipe and a second shunt pipe with the bottoms provided with tip ends are arranged on the bottom plate, and the first shunt pipe pierces a sealing assembly on the first storage cavity and the second shunt pipe pierces a sealing assembly on the second storage cavity during sampling; the buckle cover is buckled at the upper end of the sample preservation tube to seal the opening.

Preferably: the preservation body of sample preservation pipe is including the straight body that is located the upper portion and the toper body that is located the lower part.

Preferably: the sealing component is a tin foil packaging cover plate, the edge of the tin foil packaging cover plate is fixed with the upper port of the straight pipe body in a sealing mode, and the middle of the tin foil packaging cover plate is fixed with the top edge of the partition plate in a sealing mode.

Preferably: the sealing assembly comprises a top plate, the edge of the top plate is fixed with the upper port of the straight pipe body in a sealing way, and the middle part of the top plate is fixed with the edge of the top of the partition plate in a sealing way; and sample shunting ports which are respectively communicated with the first storage cavity and the second storage cavity are arranged on the top plate, and tinfoil sealing sheets are respectively arranged on the two sample shunting ports.

Preferably: the bottom of the collecting funnel is also provided with an integrated outer sleeve, and the outer sleeve is sleeved at the upper end of the straight pipe body during sampling.

Preferably: and an indicating mark for distinguishing the type of the sample is arranged on the outer wall of the sample storage tube.

Preferably: the outer wall of the upper end of the straight pipe body is provided with a threaded connection part, the inner wall of the buckle cover is provided with an internal thread, and the buckle cover is in threaded connection with the sample storage pipe.

Preferably: the outer wall of the funnel body of the collecting funnel is provided with capacity scales.

Preferably: and a sealing gasket is arranged inside the buckle cover.

The utility model has the advantages and positive effects that:

compared with the existing single-cavity storage tube, the storage tube provided by the utility model is provided with the double sample storage cavities, so that samples are simultaneously injected into the double sample storage cavities in the single sample collection process, and the double sample storage cavities are respectively used for DNA detection and RNA detection, and the sample collection operation is convenient and labor-saving. Through setting up the collection funnel that uses with the cooperation of sample preservation pipe when the sampling to set up two shunt tubes that pierce through sample preservation pipe top seal subassembly in the bottom of gathering the funnel, realized injecting the technical effect of two preservation chambeies into this internal sample approximation equalling of funnel, two preservation chambeies obtain the homogeneity of sample size when having promoted single sample collection. The upper end of the sample storage tube is provided with the buckle cover after the sample is collected, so that the top opening of the sample storage tube is sealed, the sample in the double-sample storage cavity is effectively prevented from leaking and flowing in a cross manner, and the quality of the sample in the double-storage cavity is ensured.

Drawings

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

FIG. 2 is a schematic diagram of a front perspective view of the collection funnel of FIG. 1;

FIG. 3 is a schematic front perspective view of a first embodiment of the sample retention tube of FIG. 1;

FIG. 4 is a schematic front perspective view of a first embodiment of the sample retention tube of FIG. 1

Fig. 5 is a schematic diagram of the state structure of the utility model after the sample collection is completed.

In the figure:

1. a collection funnel; 1-1, a funnel body; 1-2, capacity scale; 1-3, a bottom plate; 1-4, outer sleeve; 1-5, a first shunt pipe; 1-6, a second shunt pipe; 2. A sample storage tube; 2-1, straightening a pipe body; 2-2, a conical pipe body; 2-3, a partition board; 2-4, a first holding cavity; 2-5, a second storage cavity; 2-6, indicating identification; 2-7, a threaded connection; 2-8, a tin foil packaging cover plate; 2-9, a sample shunting port; 2-10, a top plate; 2-11, tin foil sealing sheets; 3. Covering; 3-1 and a sealing gasket.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail.

Example one

Referring to fig. 1 and 5, the ambient temperature storage tube with double sample storage chambers of the present invention comprises a sample storage tube 2, a collection funnel 1 used in the sampling process, and a buckle cover 3 used after the collection, wherein the three components are independently placed before the sampling operation, for example, in the same sterile package, and are taken out of the sterile package in use. Wherein, collection funnel 1 is used for carrying out the partial shipment to the sample that the collection obtained in sample preservation pipe 2, and sample preservation pipe 2 possesses two sample preservation chambeies, consequently can be simultaneously to two sample preservation intracavity injection samples in single sampling process, and buckle closure 3 uses after accomplishing the sample and to the injection operation in sample preservation pipe 2, seals sample preservation pipe 2.

Referring to fig. 3, it can be seen that:

the sample storage tube 2 comprises a storage tube body, a partition plate 2-3 is arranged in the middle of an inner cavity of the storage tube body to divide the inner cavity into a first storage cavity 2-4 and a second storage cavity 2-5 which are independent, and storage liquid is respectively arranged in the two storage cavities. The top openings of both the first holding chamber 2-4 and the second holding chamber 2-5 are closed with a pierceable closure assembly. The first preservation cavity 2-4 is stored with DNA preservation solution, the second preservation cavity 2-5 is stored with RNA preservation solution, and the preservation solutions in the two preservation cavities are sealed in the preservation cavities respectively by adopting sealing components. When in use, the collected sample is injected into the preservation cavity by puncturing the sealing component.

In this embodiment, the storage tube body of the sample storage tube 2 includes a straight tube body 2-1 located at the upper portion and a tapered tube body 2-2 located at the lower portion, and the sample and the storage solution in the storage cavity are collected toward the bottom by making the bottom of the sample storage tube 2 into a tapered shape, so that the mixed solution can be conveniently extracted from the tube.

In this embodiment, the sealing assembly is a tinfoil packaging cover plate 2-8, the edge of the tinfoil packaging cover plate 2-8 is fixed to the upper port of the straight pipe 2-1 in a sealing manner, and the middle of the tinfoil packaging cover plate is fixed to the top edge of the partition plate 2-3 in a sealing manner. As shown in the figure, the tin foil packaging cover plate 2-8 is obtained by cutting tin foil, the size of the tin foil packaging cover plate is slightly larger than the size of the upper port of the straight tube body 2-1, and the edge of the upper port of the straight tube body 2-1 and the top edge of the partition plate 2-3 can be sealed, adhered and fixed by medical-grade viscose glue.

In this embodiment, in order to distinguish the types of samples (preservation solution types) in the two sample preservation cavities, the outer wall of the sample preservation tube 2 is provided with indication marks 2-6 for distinguishing the types of the samples. As shown in the figure, the indication mark 2-6 is arranged on the outer wall of the straight pipe body 2-1 and on the outer side of the first storage cavity 2-4 or the second storage cavity 2-5 and is arranged in a mode of integral injection molding, printing, sticking and the like, the type of a sample (a type of a storage solution) in one storage cavity is marked, for example, a DNA sample is displayed on the indication mark 2-6, and an RNA sample is arranged in the other storage cavity. It is of course conceivable that the indicator 2-6 may be provided on the outside of both the first holding chamber 2-4 and the second holding chamber 2-5.

Referring to fig. 2 and 3, it can be seen that:

the collecting funnel 1 comprises a funnel body 1-1 with the bottom closed by a bottom plate 1-3, a first shunt tube 1-5 and a second shunt tube 1-6 with the bottoms provided with tip ends are arranged on the bottom plate 1-3, the first shunt tube 1-5 pierces a sealing component on a first storage cavity 2-4 and the second shunt tube 1-6 pierces a sealing component on a second storage cavity 2-5 during sampling. The lower ends of the first shunt tubes 1-5 and the second shunt tubes 1-6 are in the tip form, so that the first shunt tubes and the second shunt tubes have better capability of puncturing tin foil packaging cover plates 2-8, the bottom of the collection funnel 1 is pressed towards the top of the sample storage tube 2 when the funnel is used, the two shunt tubes puncture the tin foil packaging cover plates 2-8 on two sides of the partition plates 2-3 respectively, the first storage cavities 2-4 and the second storage cavities 2-5 are communicated with the inner cavity of the funnel body 1-1 respectively, and a sample in the funnel body 1-1 is injected into the two sample storage cavities in an approximately equal division mode through the first shunt tubes 1-5 and the second shunt tubes 1-6.

In this embodiment, the bottom of the collecting funnel 1 is further provided with an integral outer sleeve 1-4, the outer sleeve 1-4 is sleeved on the upper end of the straight tube body 2-1 during sampling, as shown in the figure, the first shunt tube 1-5 and the second shunt tube 1-6 are both completely arranged in the inner cavity of the outer sleeve 1-4, and the inner diameter of the outer sleeve 1-4 is slightly larger than the outer diameter of the upper end of the straight tube body 2-1. The outer sleeves 1-4 are provided for two purposes: one of which is to provide protection for the two shunt tubes inside and the other of which is to improve stability when the collection funnel 1 is fitted to the sample retention tube 2.

In this embodiment, the outer wall of the funnel body 1-1 of the collection funnel 1 is provided with a volume scale 1-2, and the volume scale 1-2 is used for an operator to read the volume of the sample in the collection funnel 1.

Referring to fig. 3 and 5, it can be seen that:

the buckle cover 3 is buckled and installed at the upper end of the sample storage tube 2, an opening formed by puncturing on the sealing component, namely the tin foil packaging cover plate 2-8, is sealed, the first storage cavity 2-4 and the second storage cavity 2-5 are re-sealed, and two collected samples are respectively sealed in the two storage cavities.

In this embodiment, the outer wall of the upper end of the straight tube body 2-1 is provided with a threaded connection part 2-7, the inner wall of the buckle cover 3 is provided with internal threads, and the buckle cover 3 is in threaded connection with the sample storage tube 2. Furthermore, a sealing gasket 3-1 made of silica gel is arranged inside the buckle cover 3, when the buckle cover 3 is screwed on the sample storage tube 2, the sealing gasket 3-1 is pressed on the upper port of the straight tube body 2-1, and the sealing gasket 3-1 deforms to a certain extent after being pressed by the edge of the upper port of the straight tube body 2-1 and the edge of the upper end of the partition plate 2-3, so that the effect of sealing the upper ends of the first storage cavity 2-4 and the second storage cavity 2-5 is achieved.

Example two

In this embodiment, the structural form of the seal assembly is different from that of the embodiment, and other technical features are the same.

Referring to fig. 2 and 4, in the present embodiment, the sealing assembly includes a top plate 2-10, an edge of the top plate 2-10 is fixed to an upper port of the straight tube 2-1 in a sealing manner, and a middle portion of the top plate is fixed to a top edge of the partition plate 2-3 in a sealing manner, and the top plate 2-10 is fixed to the upper port of the straight tube 2-1 and an upper edge of the partition plate 2-3 in a sealing manner by hot melting or bonding.

Sample shunting ports 2-9 which are respectively communicated with the first storage cavity 2-4 and the second storage cavity 2-5 are arranged on the top plate 2-10, and tinfoil sealing sheets 2-11 are respectively arranged on the two sample shunting ports 2-9. The inner diameter of the sample shunt opening 2-9 is slightly larger than the outer diameter of the first shunt opening 1-5 and the second shunt opening 1-6, the size of the two tin foil sealing pieces 2-11 is slightly larger than the size of the sample shunt opening 2-9, and the tin foil sealing pieces 2-11 are fixedly bonded with the top plate 2-10 by medical-grade adhesive. When in use, the two shunt tubes respectively pierce the two tinfoil sealing sheets 2-11.

The using method comprises the following steps:

taking out three components of the normal-temperature storage tube from aseptic package, combining the collection funnel 1 with the sample storage tube 2, and making the first shunt tube 1-5 penetrate tin foil and then enter the first storage cavity 2-4, and the second shunt tube 1-6 penetrate tin foil and then enter the second storage cavity 2-5; then, injecting the collected sample into a funnel body 1-1 of the collection funnel 1, and reading the injection amount of the sample through a capacity scale 1-2 on the side wall of the funnel body; under the action of self gravity, the samples in the collection funnel 1 respectively enter the two preservation cavities in an approximately equal dividing mode and are mixed with the preset preservation solution; then the collecting funnel 1 is taken down from the sample preservation tube 2, and then the buckle cover 3 is arranged at the upper end of the sample preservation tube 2 and screwed to realize sealing; the collecting funnel 1 is used as a consumable material for collection and unified treatment; this normal atmospheric temperature preservation pipe shifts to behind the detection mechanism and opens buckle closure 3, makes the open-top of first preservation chamber 2-4 and second preservation chamber 2-5 resume to open, later adopts the extraction instrument to stretch into two preservation chambeies and extract two parts sample mixed liquid respectively.

Claims

1. The utility model provides a normal atmospheric temperature preservation pipe with two sample preservation chambeies which characterized by: comprises a sample storage tube (2), a collection funnel (1) used in the sampling process and a buckle cover (3) used after collection; the sample storage tube (2) comprises a storage tube body, a partition plate (2-3) is arranged in the middle of an inner cavity of the storage tube body to divide the inner cavity into a first storage cavity (2-4) and a second storage cavity (2-5) which are independent, storage liquid is respectively arranged in the two storage cavities, and openings at the tops of the first storage cavity (2-4) and the second storage cavity (2-5) are sealed by a pierceable sealing component; the collecting funnel (1) comprises a funnel body (1-1) with the bottom closed by a bottom plate (1-3), a first shunt tube (1-5) and a second shunt tube (1-6) with the bottoms provided with tip ends are arranged on the bottom plate (1-3), the first shunt tube (1-5) pierces a sealing component on the first storage cavity (2-4) during sampling, and the second shunt tube (1-6) pierces a sealing component on the second storage cavity (2-5); the buckling cover (3) is buckled at the upper end of the sample preservation tube (2) to seal the opening.

2. The cryopreservation tube with dual sample storage chambers as claimed in claim 1, wherein: the preservation tube body of the sample preservation tube (2) comprises a straight tube body (2-1) positioned at the upper part and a conical tube body (2-2) positioned at the lower part.

3. The cryopreservation tube with dual sample storage chambers as claimed in claim 2, wherein: the sealing component is a tin foil packaging cover plate (2-8), the edge of the tin foil packaging cover plate (2-8) is fixed with the upper port of the straight pipe body (2-1) in a sealing mode, and the middle of the tin foil packaging cover plate is fixed with the top edge of the partition plate (2-3) in a sealing mode.

4. The cryopreservation tube with dual sample storage chambers as claimed in claim 2, wherein: the sealing assembly comprises a top plate (2-10), the edge of the top plate (2-10) is fixed with the upper port of the straight pipe body (2-1) in a sealing way, and the middle part of the top plate is fixed with the edge of the top of the partition plate (2-3) in a sealing way; sample shunting ports (2-9) which are respectively communicated with the first storage cavity (2-4) and the second storage cavity (2-5) are arranged on the top plate (2-10), and tinfoil sealing sheets (2-11) are respectively arranged on the two sample shunting ports (2-9).

5. The cryopreservation tube with dual sample storage chambers as claimed in claim 3 or 4, wherein: the bottom of the collecting funnel (1) is also provided with an integrated outer sleeve (1-4), and the outer sleeve (1-4) is sleeved at the upper end of the straight pipe body (2-1) during sampling.

6. The cryopreservation tube with dual sample storage chambers as claimed in claim 3 or 4, wherein: the outer wall of the sample holding tube (2) is provided with an indicator (2-6) for distinguishing the type of the sample.

7. The cryopreservation tube with dual sample storage chambers as claimed in claim 3 or 4, wherein: the outer wall of the upper end of the straight pipe body (2-1) is provided with a threaded connecting part (2-7), the inner wall of the buckle cover (3) is provided with internal threads, and the buckle cover (3) is in threaded connection with the sample storage pipe (2).

8. The cryopreservation tube with dual sample storage chambers as claimed in claim 3 or 4, wherein: the outer wall of the funnel body (1-1) of the collecting funnel (1) is provided with capacity scales (1-2).

9. The cryopreservation tube with dual sample storage chambers as claimed in claim 3 or 4, wherein: a sealing gasket (3-1) is arranged inside the buckle cover (3).