CN210269554U

CN210269554U - Feeding tube of flow cytometer

Info

Publication number: CN210269554U
Application number: CN201920192948.XU
Authority: CN
Inventors: 杨文山; 杨晓丽
Original assignee: Shandong Amber Biotechnology Co Ltd
Current assignee: Shandong Amber Biotechnology Co Ltd
Priority date: 2019-02-11
Filing date: 2019-02-11
Publication date: 2020-04-07
Anticipated expiration: 2029-02-11

Abstract

The utility model relates to a cell detection technical equipment field especially relates to a material loading pipe of flow cytometer. The feeding pipe of the flow cytometer comprises an outer pipe, wherein the outer wall of the top end of the outer pipe is gradually reduced; an inner pipe is sleeved in the top end of the outer pipe, and a plurality of filter screens are arranged in the inner pipe along the axial direction of the inner pipe; the top end of the inner pipe is integrally connected with a circular ring table arranged along the radial direction of the inner pipe, and the lower part of the circular ring table is integrally connected with a set of limiting pipes connected outside the inner pipe; the inner diameter of the limiting pipe is matched with the outer diameter of the outer pipe, and a limiting elastic ring is sleeved and connected on the inner side of the top end of the limiting pipe; the upper part of the circular ring table is integrally connected with a lantern ring with internal threads, and the lantern ring is in threaded connection with one end sealing cover. This structural design is reasonable, novel, and inner tube, ring platform, spacing pipe and lantern ring are as an organic whole and are made, have effectively reduced the step of installation, have simplified the step of filter screen and material loading pipe installation, have effectively improved the efficiency that detects.

Description

Feeding tube of flow cytometer

Technical Field

The utility model relates to a cell detection technical equipment field especially relates to a material loading pipe of flow cytometer.

Background

The cell detection technology belongs to a relatively advanced technology in the medical industry, is an important index capable of measuring physiological health conditions, is also a large auxiliary tool for judging medical symptoms, and is increasingly indispensable to be used in detection in the medical industry.

The flow cytometer is used for carrying out multi-parameter and rapid analysis on cells or biological particles in a rapid linear flow state; the flow cytometer needs to filter out larger particles in a sample before detection so as to ensure the accuracy of detection and avoid blocking a pipeline of the instrument. The method for filtering the samples of the flow cytometer at present is to directly place a filter screen at the pipe orifice of a feeding pipe for filtering, the positions of the filter screen and the feeding pipe are not easy to fix, the operation is inconvenient during the filtering, the samples are easy to lose, and meanwhile, the cross contamination among the samples is easy.

In order to solve the problem, the feeding pipe with the patent number of 201820553754.3 appears, and this feeding pipe can guarantee the accuracy that detects, and effectual the great particulate matter of filtering is crossed to the effectual filter, and can be with the fixed installation of filter screen on the feeding pipe, but, this structure is more complicated, and spare part is more, has the problem that filter screen and feeding pipe installation operation are complicated, is influencing cell detection's efficiency.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, the utility model provides a material loading pipe of flow cytometer, this structural design is reasonable, novel, and inner tube, ring platform, spacing pipe and the lantern ring are as an organic whole made, have effectively reduced the step of installation, have simplified the step of filter screen and material loading pipe installation, have effectively improved the efficiency that detects, have solved the problem that exists among the prior art.

The utility model discloses a realize through following technical scheme:

a feeding tube of a flow cytometer comprises an outer tube, wherein the outer wall of the top end of the outer tube is gradually reduced; an inner pipe is sleeved in the top end of the outer pipe, and a plurality of filter screens are arranged in the inner pipe along the axial direction of the inner pipe; the top end of the inner pipe is integrally connected with a circular ring table arranged along the radial direction of the inner pipe, and the lower part of the circular ring table is integrally connected with a set of limiting pipes connected outside the inner pipe; the inner diameter of the limiting pipe is matched with the outer diameter of the outer pipe, and a limiting elastic ring is sleeved and connected on the inner side of the top end of the limiting pipe; the upper part of the circular ring table is integrally connected with a lantern ring with internal threads, and the lantern ring is in threaded connection with one end sealing cover.

Preferably, an elastic leather ring is sleeved between the tail end of the limiting pipe and the outer surface of the outer pipe.

Further optimally, a sealing gasket A is arranged between the end sealing cover and the circular ring platform in a cushioning mode.

Further optimally, a sealing gasket B is padded between the top end of the outer pipe and the circular ring platform.

Further optimally, the middle part of the end sealing cover is provided with a rotating handle.

Preferably, the meshes of the filter screens arranged from top to bottom along the axial direction of the inner pipe are gradually reduced.

The utility model has the advantages that: this structural design is reasonable, novel, and inner tube, ring platform, spacing pipe and lantern ring are made as an organic whole, can realize directly linking inner tube sleeve in the outer tube, and spacing pipe and ring platform play good limiting displacement, need not other operations, have effectively reduced the step of installation, have simplified the step of filter screen and material loading pipe installation, have effectively improved the efficiency that detects, are suitable for extensive popularization and application.

Drawings

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

In the figure, an outer pipe 1, an inner pipe 2, a filter screen 3, a circular ring table 4, a limiting pipe 5, a limiting elastic ring 6, a lantern ring 7, an end sealing cover 8, an elastic leather ring 9, a sealing washer A10, a sealing washer B11 and a rotating handle 12 are arranged.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.

As shown in fig. 1, the present embodiment discloses a feeding tube of a flow cytometer, including an outer tube 1, wherein an outer wall of a top end of the outer tube 1 is gradually reduced; an inner pipe 2 is sleeved in the top end of the outer pipe 1, and a plurality of filter screens 3 are arranged in the inner pipe 2 along the axial direction of the inner pipe 2; the top end of the inner tube 2 is integrally connected with a circular ring platform 4 arranged along the radial direction of the inner tube 2, and the lower part of the circular ring platform 4 is integrally connected with a set of limiting tube 5 connected outside the inner tube 2; the inner diameter of the limiting pipe 5 is matched with the outer diameter of the outer pipe 1, and a limiting elastic ring 6 is sleeved and connected on the inner side of the top end of the limiting pipe 5; a lantern ring 7 with internal threads is integrally connected to the upper part of the circular ring table 4, and one end sealing cover 8 is connected to the lantern ring 7 in a threaded mode.

In a preferred embodiment, in order to avoid collision between the limiting tube 5 and the outer tube 1 and ensure that the limiting tube 5 and the outer tube 1 can be fixed relatively stably in a straight line, an elastic leather ring 9 is sleeved between the tail end of the limiting tube 5 and the outer surface of the outer tube 1.

In order to ensure the tightness of the installation and avoid cross-contamination, a sealing gasket a10 is preferably arranged between the end closure 8 and the annular table 4.

In a preferred embodiment, a sealing gasket B11 is padded between the top end of the outer tube 1 and the circular ring table 4 to ensure the sealing performance and avoid the overflow of cells.

In a preferred embodiment, in order to facilitate screwing the end cap 8, the end cap 8 is provided with a stem 12 at its upper middle portion.

In order to prevent particles from clogging the screen 3 and to ensure a good filtering effect of the screen 3, the mesh openings of the screens 3 arranged from top to bottom in the axial direction of the inner tube 2 are gradually reduced.

Adopt the utility model discloses a flow cytometer's material loading pipe, when using this device, place inner tube 1 after disinfecting and sterilizing in outer tube 2, take the top of outer tube 1 with ring platform 4, spacing pipe 5 can play good limiting displacement, makes inner tube 2 be located the middle part of outer tube 1, and the lower part of inner tube 2 keeps relative static, when filtering, makes the inner wall of inner tube 2 difficult contact outer tube 2, reduces the loss of sample. During filtering, a sample is placed in the inner tube 2, standing and filtering are carried out, the device is placed in a centrifuge, and low-speed centrifugal filtration is carried out; after the filtration, take out inner tube 2, place outer tube 1 in flow cytometer, directly detect, in this device, the filtration of sample is gone on in inner tube 2, directly places outer tube 1 and detects in flow cytometer after the filtration, has saved middle liquid-transfering process, reduces the loss of the sample because of transfering the liquid and causing.

The parts of the present invention not described in detail are the known techniques of those skilled in the art. Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A material loading pipe of flow cytometer which is characterized in that: comprises an outer tube, wherein the outer wall of the top end of the outer tube is gradually reduced; an inner pipe is sleeved in the top end of the outer pipe, and a plurality of filter screens are arranged in the inner pipe along the axial direction of the inner pipe; the top end of the inner pipe is integrally connected with a circular ring table arranged along the radial direction of the inner pipe, and the lower part of the circular ring table is integrally connected with a set of limiting pipes connected outside the inner pipe; the inner diameter of the limiting pipe is matched with the outer diameter of the outer pipe, and a limiting elastic ring is sleeved and connected on the inner side of the top end of the limiting pipe; the upper part of the circular ring table is integrally connected with a lantern ring with internal threads, and the lantern ring is in threaded connection with one end sealing cover.

2. The feed tube of a flow cytometer as described in claim 1, wherein: an elastic leather ring is sleeved between the tail end of the limiting pipe and the outer surface of the outer pipe.

3. The feed tube of a flow cytometer as described in claim 1, wherein: and a sealing gasket A is arranged between the end sealing cover and the circular ring platform in a cushioning mode.

4. The feed tube of a flow cytometer as described in claim 1, wherein: and a sealing washer B is padded between the top end of the outer pipe and the circular ring table.

5. The feed tube of a flow cytometer as described in claim 1, wherein: the middle part of the end sealing cover is provided with a rotating handle.

6. The feed tube of a flow cytometer as described in claim 1, wherein: the meshes of the filter screens arranged from top to bottom along the axial direction of the inner pipe are gradually reduced.