CN217796202U - A centrifuging tube for precipitating cell - Google Patents

Abstract

The utility model relates to a centrifuging tube for sedimentary cell belongs to biochemical experiment and equips technical field. Comprises a collecting inner pipe, an outer pipe cover and a filtering screen; be equipped with in the outer tube and collect the inner tube, collect the inner tube opening part and be equipped with filter screen, one side that the outer tube cap is close to the outer tube is equipped with the sealing member, filter screen's one end and collection inner tube swing joint, filter screen's the other end and sealing member butt. Through the utility model discloses can carry out the sample and just sieve effectively, just sieve the back centrifugation again, avoid the follow-up processing to impurity, improve experiment work efficiency.

Description

A centrifuging tube for precipitating cell

Technical Field

The utility model relates to a centrifuging tube for sedimentary cell belongs to biochemical experiment and equips technical field.

Background

Centrifugation technology has found wide application in the field of biological science, particularly biochemistry and molecular biology, where many types of centrifuges are prepared in each biochemical and molecular biology laboratory. Centrifugation is mainly used for separating and preparing various biological samples, biological sample suspension is placed in a micro centrifugal tube and rotates at a high speed, and suspended micro particles (such as organelles, biological macromolecular precipitates and the like) are settled at a certain speed under the action of huge centrifugal force, so that the suspended micro particles and solution are separated. However, in the centrifugal process, some cell flocs, cell impurities and the like are also centrifugally precipitated at the bottom of the centrifugal tube along with the required target sample, and the subsequent absorption and discarding of the supernatant waste liquid are also tedious, so that the separation of the cell precipitation target sample is not facilitated. Therefore, the technical field needs a cell centrifuge tube which can effectively perform sample primary screening, can obtain the effect of sample primary screening, is beneficial to subsequent experimental operation, separates preparations and improves the working efficiency of experiments.

Disclosure of Invention

The utility model aims at solving the technical problem of how to obtain a cell centrifuging tube that can carry out the sample and just sieve effectively, can obtain the effect that the sample just sieved, improves experiment work efficiency.

In order to solve the above problems, the technical solution of the present invention is to provide a centrifuge tube for precipitating cells, which comprises an inner collecting tube, an outer tube cap and a filter screen; be equipped with in the outer tube and collect the inner tube, collect the inner tube opening part and be equipped with the filter screen cloth, one side that the outer tube cap is close to the outer tube is equipped with the sealing member, the one end of filter screen cloth with collect inner tube swing joint, the other end and the sealing member butt of filter screen cloth.

Preferably, the outer side wall of the collecting inner pipe body is provided with an external thread, and the inner side wall of the outer pipe body is provided with an internal thread corresponding to the external thread.

Preferably, one end of the collecting inner pipe is open, and the opening is connected with the filtering screen.

Preferably, one end of the filter screen is connected with the opening of the collecting inner pipe in a plug-in card mode.

Preferably, one end of the filtering screen is provided with an external thread, and an opening of the collecting inner pipe is provided with an internal thread corresponding to the external thread of the filtering screen; the filtering screen is connected with the collecting inner pipe through screw threads.

Preferably, one end of the filtering screen is connected with the collecting inner pipe, and the other end of the filtering screen is arranged outside the opening of the outer pipe; the outer pipe opening part is provided with external threads, and the outer pipe cap is provided with internal threads corresponding to the external threads of the outer pipe.

Preferably, the seal is an elastomeric seal.

Compared with the prior art, the utility model discloses following beneficial effect has:

through the utility model discloses can carry out the sample and just sieve effectively, just sieve the back centrifugation again, avoid the follow-up processing to impurity, improve experiment work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Reference numerals: 1. an outer tube cap; 2. filtering the screen; 3. an outer tube; 4. collecting the inner tube; 5. a thread; 6. and a seal.

Detailed Description

In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings:

as shown in fig. 1, the technical solution adopted by the present invention is to provide a centrifuge tube for precipitating cells, which comprises a collecting inner tube 4, an outer tube 3, an outer tube cap 1 and a filtering screen 2; be equipped with in outer tube 3 and collect inner tube 4, collect 4 openings part in inner tube and be equipped with filter screen 2, one side that outer tube cap 1 is close to outer tube 3 is equipped with sealing member 6, filter screen 2's one end and collection inner tube 4 swing joint, filter screen 2's the other end and the 6 butts of sealing member. The outer side wall of the collecting inner tube 4 is provided with an external thread, and the inner side wall of the outer tube 3 is provided with an internal thread corresponding to the external thread. The inner collecting tube 4 is connected with the outer tube 3 by a screw thread 5. One end of the collecting inner pipe 4 is opened, and the opening is connected with the filtering screen 2. One end of the filter screen 2 is connected with the opening of the collecting inner tube 4 by a plug-in card. An external thread is arranged at one end of the filtering screen 2, and an internal thread corresponding to the external thread of the filtering screen 2 is arranged at the opening of the collecting inner pipe 4; the filtering screen 2 is connected with the collecting inner pipe 4 through screw threads. One end of the filter screen 2 is connected with the inner collecting pipe 4, and the other end is arranged outside the opening of the outer pipe 3; the opening of the outer tube 3 is provided with an external thread, and the outer tube cap 1 is provided with an internal thread corresponding to the external thread of the outer tube 3. The seal 6 is an elastic seal.

Examples

The defect to cell centrifuging tube among the prior art, the utility model provides a centrifuging tube for depositing cell, existing separation that does benefit to the sample cell can carry out effective quick separation to impurity sample after filtering or some flocculent combinations again and get rid of, can abandon the supernatant waste liquid fast, improves experimental efficiency.

The utility model provides a centrifuge tube for precipitating cells, which comprises an inner collecting tube 4, an outer tube 3, an outer tube cap 1 and a filter screen 2; the outer pipe 3 is fixedly connected with a collecting inner pipe 4 through a thread 5, one end of the filter screen 2 is inserted into an opening of the collecting inner pipe 4, and the inserting position is set to be in sealing connection; the filtering screen 2 is provided with a filtering membrane; the other end of the filter screen 2 crosses the opening of the outer tube 3, and the cover bottom of one side of the outer tube cover 1 close to the outer tube 3 is provided with an elastic sealing element 6; an external thread is arranged at the opening of the outer tube 3, and an internal thread corresponding to the external thread of the outer tube 3 is arranged on the outer tube cap 1. The outer pipe cap 1 is connected with the closed outer pipe 3 through threads, and when the outer pipe cap 1 is connected with the closed outer pipe 3 through threads, the other end of the filter screen 2 is abutted to the elastic sealing piece 6; the elastic seal 6 serves to prevent the escape of liquid during centrifugation.

The utility model is used for the centrifugation of cell sample is collected, and can once sieve the processing to cell sample, can effectively get rid of cell piece and the flocculent combination of cell, does benefit to the purification separation of cell. The collecting inner tube 4 is made of hydrophobic material, which is beneficial to collecting cells and discarding supernatant.

Collect inner tube 4 and pass through screw thread 5 with outer tube 3 and be connected, interior outer tube is through adopting screw thread fixed connection, has avoided in centrifugal process, because interior outer tube relative position is unfixed, collision each other, leads to the cracked bad consequence of body.

To the cell sample sediment that obtains after the centrifugation among the prior art, need do and inhale and abandon the supernatant and handle, the step is loaded down with trivial details, adopts this centrifuging tube centrifugation back, can directly abandon the supernatant, and can not cause the cell loss, promotes greatly to experiment separation efficiency.

The utility model discloses a use method:

1. installing the filter screen 2 at an opening of the collection inner pipe 4, inserting the collection inner pipe 4 into the outer pipe 3, and connecting and fixing the collection inner pipe 4 and the outer pipe 3 through threads 5;

2. adding the initial sample into a filter screen 2, filtering by the filter screen 2, and then carrying out centrifugal operation by a centrifugal machine; covering the outer pipe 3 with the outer pipe cover 1, screwing the outer pipe, and abutting the other end of the filter screen 2 with the elastic sealing piece 6;

3. starting centrifugation;

4. after the centrifugation is finished, opening the outer pipe cover 1, and taking out the filter screen 2 and the collection inner pipe 4 connected with the filter screen 2 in a rotating manner; separating the filter screen 2 and the collection inner tube 4; directly pouring the supernatant to obtain a target cell precipitate.

The foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the present invention in any way and in any way, and it should be understood that modifications and additions may be made by those skilled in the art without departing from the scope of the present invention. Those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above-disclosed technical content without departing from the spirit and scope of the present invention, and all such changes, modifications and evolutions are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes to the above embodiments according to the actual technology of the present invention are also within the scope of the technical solution of the present invention.

Claims (7)

1. A centrifuge tube for precipitating cells is characterized by comprising an inner collecting tube, an outer tube cap and a filtering screen; be equipped with in the outer tube and collect the inner tube, collect the inner tube opening part and be equipped with the filter screen cloth, one side that the outer tube cap is close to the outer tube is equipped with the sealing member, the one end of filter screen cloth with collect inner tube swing joint, the other end and the sealing member butt of filter screen cloth.

2. The centrifuge tube for precipitating cells according to claim 1, wherein the outer sidewall of the inner tube body is provided with external threads, and the inner sidewall of the outer tube body is provided with internal threads corresponding to the external threads.

3. The centrifuge tube of claim 1, wherein the inner collection tube is open at one end and the opening is connected to a filter screen.

4. The centrifuge tube according to claim 3, wherein one end of the filter screen is connected to the opening of the inner collection tube by a bayonet fitting.

5. The centrifuge tube for precipitating cells as claimed in claim 3, wherein one end of the filter screen is provided with an external thread, and the opening of the inner collection tube is provided with an internal thread corresponding to the external thread of the filter screen; the filtering screen is connected with the collecting inner pipe through threads.

6. The centrifuge tube for precipitating cells according to claim 1, wherein one end of the filter screen is connected to the inner collection tube, and the other end of the filter screen is disposed outside the opening of the outer tube; the outer pipe opening part is provided with external threads, and the outer pipe cover is provided with internal threads corresponding to the external threads of the outer pipe.

7. The centrifuge tube of claim 1, wherein the seal is an elastomeric seal.

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