CN217699240U - Micro-centrifuge tube adaptive to filter sleeve - Google Patents

Abstract

A microcentrifuge tube matched with a filtering sleeve belongs to the technical field of medical equipment. Centrifuging tube links to each other through connecting handle and centrifuging tube lid, and centrifuging tube lid has the handle of uncapping, and centrifuging tube lid adaptation in the filter sleeve mouth of pipe, and both lids close can seal the mouth of pipe, places the filter sleeve in the centrifuging tube pipe shaft, including entity pipe shaft and netted pipe shaft structure. The diameter of the opening of the filter sleeve is larger than that of the centrifugal pipe, and the diameter of the pipe body is smaller than that of the centrifugal pipe, so that the filter sleeve can directly fall into the centrifugal pipe; the reticular tube body is of a fine reticular structure, the diameter of reticular pores is less than 0.1mm, and the reticular tube body is suitable for filtering zirconia beads with the diameter of 0.1-3 mm. Casing pipe bottom structure is the tip form, helps dripping to the greatest extent surplus liquid and reduce with the intraductal liquid area of contact of centrifugation, the device integral structure, can directly be with the liquid filtering zirconia pearl that has the zirconia pearl, accomplishes quick separation, and the independent aseptic package of filter sleeve pipe avoids bringing in external fungus in the experiment and influences the experimental result accuracy.

Description

Micro-centrifuge tube adaptive to filter sleeve

Technical Field

The utility model relates to a microcentrifuge tube adaptive to a filter sleeve, which belongs to the technical field of medical equipment; is suitable for being placed in a centrifugal tube and is suitable for sample filtration operation before DNA extraction.

Background

Antibiotics and vaccines researched and developed by human beings are two public monuments in the medical field, in the past, people lean against the two to eliminate pathogenic bacteria existing in the world, but the pathogenic bacteria cause infection to the human beings in a new form or mode along with the evolution of organisms, so that the pathogenic microorganisms are regarded as the most important diseases which threaten the health and the life of the human beings at present, the detection and the detection of the pathogenic bacteria become the primary tasks facing the current challenge, the pathogenic microorganisms are widely classified, some pathogenic microorganisms have cell wall structures, the pathogenic bacteria are detected by the metagenome technology, the cell walls of the pathogenic bacteria are firstly damaged, the chromatin in the pathogenic bacteria is released, a device commonly used for damaging the cell walls of the pathogenic bacteria is to add zirconium oxide beads with different diameters into a special grinding tube and put into a grinding instrument to be ground to achieve the wall breaking effect, the zirconium oxide beads and the consumed time need to be separated by rotating the tube after grinding, the existing technology is to transfer bacteria liquid through a 1.0mL pipette tip, the zirconium oxide beads with the diameter of 0.1mm are easily sucked, the pipette tip is easily sucked when 10 muzzle is used, the test time is easily prolonged, and the experimental result is accurately reduced.

Disclosure of Invention

In order to solve the not enough of above-mentioned experiment operation, the utility model provides an adaptation filter tube's microcentrifuge tube will grind the intraductal whole materials of back through this microcentrifuge tube adaptation filter tube convenient quick change over to new centrifuging tube, aseptic setting, convenient save time.

The utility model provides a technical scheme who adopts when above-mentioned problem does: a micro centrifugal tube adaptive to a filter sleeve comprises a centrifugal tube cover, a connecting handle and a centrifugal tube body, wherein the centrifugal tube is internally provided with the filter sleeve, the length of the filter sleeve is half of that of the centrifugal tube body, and the filter sleeve comprises a sleeve tube opening, a sleeve tube solid tube body, a sleeve tube net-shaped tube body and a sleeve tube pointed tube bottom; the pipe orifice of the sleeve pipe acts on the pipe orifice of the centrifugal pipe, and the length of the solid pipe body of the sleeve pipe is 1/3-1/2 of the length of the reticular pipe body of the sleeve pipe; the bottom of the sleeve net-shaped pipe body is connected with the bottom of the sleeve pointed end pipe; the sleeve net-shaped pipe body adopts a fine net structure, and the aperture of a mesh is less than 0.1mm; the outer wall of centrifuging tube cap contacts with the inner wall of sleeve pipe entity pipe shaft.

Set up centrifuging tube inner wall bulge loop on the inner wall at centrifuging tube body top, set up sleeve pipe outer wall bulge loop on the outer wall of filter sleeve pipe entity pipe shaft, centrifuging tube inner wall bulge loop cooperatees with sleeve pipe outer wall bulge loop.

The diameter of the solid tube body of the sleeve is smaller than that of the tube body of the centrifugal tube, and the diameter of the opening of the sleeve is larger than that of the opening of the centrifugal tube.

The diameter of the pipe orifice of the filtering sleeve is larger than that of the adaptive centrifugal pipe orifice, and the diameter of the pipe body is smaller than that of the adaptive centrifugal pipe, so that the filtering sleeve can directly fall into the centrifugal pipe; the net-shaped pipe body of the filtering sleeve is of a fine net structure, and the length of the pipe body is half of the length of the adaptive centrifugal pipe; the bottom structure of the filter sleeve is in a pointed shape, and the design is helpful for dripping residual liquid and reducing the contact area with the liquid in the centrifugal tube. The whole body structure material of the filtering sleeve is hydrophobic, low in adsorbability and capable of reducing the residue of liquid in the filtering sleeve in an experiment. The diameter of the opening of the filter sleeve is larger than that of the centrifugal pipe, so that the filter sleeve can be conveniently clamped at the position of the centrifugal pipe and can be conveniently taken out, but the diameter of the pipe body of the filter sleeve is smaller than that of the centrifugal pipe, and the filter sleeve is convenient to put in. Centrifuge tube cap fits into the filter sleeve, both caps and is favorable to the centrifugation to collect the sample. The centrifugal tube cover is provided with an uncovering handle, so that the centrifugal tube cover is convenient to cover. The solid pipe body at the 1/3 position of the filtering sleeve pipe is convenient for fixing the filtering sleeve pipe in the centrifugal pipe. The reticular holes of the pipe body at the 2/3 position are smaller than 0.1mm, and the filtering device is suitable for filtering substances with the diameter larger than or equal to 0.1 mm.

The beneficial effects of the utility model are that: the diameter of the opening of the filter sleeve in the centrifuge tube is larger than that of the opening of the adaptive centrifuge tube, so that the filter sleeve can be conveniently clamped at the opening of the centrifuge tube; the diameter of the reticular tube body is smaller than that of the adaptive centrifugal tube, and the reticular tube body can directly fall into the centrifugal tube. The bottom structure of the filtering sleeve is in a pointed shape, so that the design is favorable for completely dripping residual liquid and reducing the contact area with the liquid in the centrifugal pipe; the mesh aperture of the sleeve mesh pipe body is less than 0.1mm, and the sleeve mesh pipe body is suitable for filtering zirconia beads with the diameter of 0.1-3 mm. During the experiment, the centrifugal tube cap is adapted to the filtering sleeve, and the centrifugal tube cap and the filtering sleeve are beneficial to centrifuging and collecting samples. This micro-centrifuge tube is integral structure, can be directly pass through this filter equipment filtering zirconia pearl with the liquid that has the zirconia pearl, can accomplish the quickly separating through this device, and the independent aseptic package of filter sleeve, avoids bringing into external fungus in the experiment and influences the experimental result accuracy.

Drawings

FIG. 1 is a block diagram of a microcentrifuge tube fitted with a filter cartridge.

Figure 2 is a schematic diagram of an external centrifuge tube.

Fig. 3 is a block diagram of an inner filter sleeve.

In the figure: 1. centrifuging tube cap, 2, connection handle, 3, the netted pipe shaft of sleeve pipe, 4, the centrifuging tube body, 5, the centrifuging tube handle of uncapping, 6, the sleeve pipe mouth of pipe, 7, the solid pipe shaft of sleeve pipe, 8, sleeve pipe tip socle, 9, centrifuging tube inner wall bulge loop, 10, sleeve pipe outer wall bulge loop, 11, the centrifuging tube mouth of pipe.

Detailed Description

Fig. 1 to 3 show a microcentrifuge tube adapted with a filter sleeve, which comprises a centrifuge tube cap 1, a connecting handle 2 and a centrifuge tube body 4, wherein a centrifuge tube cap opening handle 5 is arranged on the centrifuge tube cap 1; a filtering sleeve is arranged in the centrifugal tube, the length of the filtering sleeve is half of that of the tube body 4 of the centrifugal tube, and the filtering sleeve comprises a sleeve tube opening 6, a sleeve tube solid tube body 7, a sleeve tube reticular tube body 3 and a sleeve tube pointed tube bottom 8; the sleeve pipe orifice 6 acts on the centrifugal pipe orifice 11, and the length of the sleeve solid pipe body 7 is 1/2 of the length of the sleeve net-shaped pipe body 3; the bottom of the sleeve net-shaped tube body 3 is connected with a sleeve pointed tube bottom 8; the sleeve net-shaped pipe body 3 adopts a fine net structure, and the aperture of a mesh is less than 0.1mm; the outer wall of the centrifuge tube cap 1 is in contact with the inner wall of the solid tube body 7 of the sleeve. Set up centrifuging tube inner wall bulge loop 9 on the inner wall at 4 tops of centrifuging tube body, set up sleeve pipe outer wall bulge loop 10 on the outer wall of filtration sheathed tube sleeve pipe entity pipe shaft 7, centrifuging tube inner wall bulge loop 9 cooperatees with sleeve pipe outer wall bulge loop 10. The diameter of the solid tube body 7 of the sleeve is smaller than that of the tube body 4 of the centrifuge tube, and the diameter of the tube opening 6 of the sleeve is larger than that of the tube opening 11 of the centrifuge tube.

When the technical scheme is adopted for working, the filtering sleeve is placed into the centrifuge tube body 4, and the convex ring 9 on the inner wall of the centrifuge tube and the convex ring 10 on the outer wall of the sleeve act with each other, so that the filtering sleeve is fixed on the centrifuge tube body 4. In the experiment, a bacteria liquid sample is completely transferred into a grinding tube with zirconia beads (0.1 mm-3 mm), a tube opening is covered, the bacteria liquid sample is put into a grinding instrument to be ground to achieve a wall breaking effect, the zirconia beads and the bacteria liquid need to be separated after grinding, firstly, all liquid in the grinding tube is transferred into a microcentrifuge tube with a filtering sleeve, a centrifugal tube cover 1 is covered, after centrifugal separation is carried out, the zirconia beads are left in the filtering sleeve, the bacteria liquid is filtered into a centrifugal tube body 4 from a sleeve net-shaped tube body 3, the filtering sleeve is taken out to obtain the bacteria liquid, and rapid separation of the zirconia beads and the bacteria liquid is achieved.

Claims (3)

1. A micro centrifugal tube adaptive to a filter sleeve comprises a centrifugal tube cover (1), a connecting handle (2) and a centrifugal tube body (4), wherein a centrifugal tube cover opening handle (5) is arranged on the centrifugal tube cover (1); the method is characterized in that: a filtering sleeve is arranged in the centrifugal tube, the length of the filtering sleeve is half of that of the centrifugal tube body (4), and the filtering sleeve comprises a sleeve tube opening (6), a sleeve tube solid tube body (7), a sleeve tube net-shaped tube body (3) and a sleeve tube pointed tube bottom (8); the sleeve pipe orifice (6) acts on the centrifugal pipe orifice (11), and the length of the sleeve solid pipe body (7) is 1/3-1/2 of the length of the sleeve net pipe body (3); the bottom of the sleeve net-shaped tube body (3) is connected with a sleeve pointed tube bottom (8); the sleeve net-shaped pipe body (3) adopts a fine net structure, and the aperture of a mesh is smaller than 0.1mm; the outer wall of the centrifuge tube cover (1) is in contact with the inner wall of the sleeve solid tube body (7).

2. A filter cartridge adapted microcentrifuge tube according to claim 1, which is characterized by: set up centrifuge tube inner wall bulge loop (9) on the inner wall at centrifuge tube body (4) top, set up sleeve pipe outer wall bulge loop (10) on the outer wall of filter sleeve pipe entity pipe shaft (7), cooperate with sleeve pipe outer wall bulge loop (10) centrifuge tube inner wall bulge loop (9).

3. A filter cartridge adapted microcentrifuge tube according to claim 1, which is characterized by: the diameter of the solid tube body (7) of the sleeve is smaller than that of the centrifuge tube body (4), and the diameter of the sleeve opening (6) is larger than that of the centrifuge tube opening (11).

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