CN212610620U

CN212610620U - Magnetic control type tissue crushing bacteria extraction device

Info

Publication number: CN212610620U
Application number: CN202020860636.4U
Authority: CN
Inventors: 彭钧; 张琦
Original assignee: Hunan Tech New Medical Systems Co ltd
Current assignee: Hunan Tech New Medical Systems Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-02-26
Anticipated expiration: 2030-05-21

Abstract

The invention discloses a magnetic control type tissue crushing bacteria extraction device, which belongs to the field of medical inspection equipment and comprises a container, wherein a magnetic force rotation driving device is arranged at the bottom of the container; an impeller which is driven to rotate by a magnetic rotation driving device is arranged in the container; the magnetic rotation driving device is formed by connecting a rotating motor and a rotating seat; and a magnet for attracting the impeller is arranged on the rotating seat. The method has the main advantages of remarkably improving the discovery rate of acid-fast bacilli, along with low product cost, convenient use and capability of preventing cross contamination of detection test results.

Description

Magnetic control type tissue crushing bacteria extraction device

Technical Field

The invention belongs to the field of medical examination equipment, and particularly relates to a magnetic control type tissue crushing bacteria extraction device.

Background

Pathological tissue section diagnosis is a very important and frequently used diagnosis method in the medical field, and because the pathological tissue section diagnosis is used in a medical environment, all current pathological detection products need to adopt disposable products in order to avoid cross infection, and generally adopt a mode of detecting after tissue section. However, pathological diagnosis of acid-fast bacilli in sliced tissues is difficult because bacteria are embedded and distributed in the tissues, and even after ultrathin slicing, the distribution of the bacteria is scattered and difficult to find, so that the detection result of the acid-fast bacilli in the tissues is inaccurate, and the error rate is often required to be eliminated by increasing the detection amount.

Disclosure of Invention

Aiming at the problems, the invention provides the magnetic control type tissue crushing bacteria extraction device which has the main advantages of capability of obviously improving the discovery rate of acid-fast bacilli, low product cost, convenience in use and capability of preventing the cross contamination of detection test results.

In order to realize the purpose, the invention adopts the technical scheme that:

a magnetic control type tissue crushing bacteria extraction device comprises a container, wherein a magnetic force rotation driving device is arranged at the bottom of the container; an impeller which is driven to rotate by a magnetic rotation driving device is arranged in the container; the magnetic rotation driving device is formed by connecting a rotating motor and a rotating seat; and a magnet for attracting the impeller is arranged on the rotating seat.

As a further improvement of the invention, the rotation axis of the rotary base is vertical to the horizontal plane; the upper end surface of the rotating seat is parallel to the bottom surface of the container.

As a further improvement of the invention, the rotating seat is provided with two magnets which are respectively positioned at two ends of the top surface of the rotating seat.

As a further improvement of the invention, the magnetic rotary driving device is arranged below the table top of the frame; the container is placed on a countertop.

As a further improvement of the invention, the impeller is a ferrous component; and a rotating fulcrum protruding downwards is arranged at the bottom of the center of the impeller.

As a further improvement of the invention, the impeller is provided with at least one pair of main blades and at least one pair of auxiliary blades; the length of the main blade is larger than that of the auxiliary blade.

As a further improvement of the invention, two sides of the upper end surface of the main blade are provided with upper inclined planes; the bottom surface of the auxiliary blade is provided with a lower inclined plane.

As a further improvement of the invention, a filter screen is arranged at the outlet of the container.

As a further improvement of the invention, the mesh size of the filter screen is 100-120 meshes.

The invention has the beneficial effects that:

1. the invention adopts magnetic isolation to control the impeller to rotate at high speed, so that the device not only can isolate bacteria and viruses and prevent cross infection, but also can rotate and cut tissues by the impeller, and can crush the tissues into paste to promote acid-fast bacilli in the tissues to enter lysis solution, thereby improving the accuracy of detection results of the acid-fast bacilli.

2. The impeller is freely placed in the container, the resistance is small, the auxiliary blades are arranged, the length of the auxiliary blades is shorter than that of the main blades, the balance effect can be achieved, the impeller is more stable in the rotating process, and meanwhile, the rotating speed is higher.

3. According to the invention, the upper inclined planes are arranged on two sides of the upper end surface of the main blade, and the lower inclined planes are arranged on the lower end surfaces of the auxiliary blades, so that the friction force of the impeller is further reduced in the high-speed rotation process by mutual cooperation, floating rotation is formed, the rotation speed of the impeller is greatly improved, and the cutting effect is improved.

4. The device of the invention can not only realize the function of cutting the tissue, but also realize the rotating and vibrating action because the blades can reach very high rotating speed, thereby further promoting the discharge of bacteria in the tissue and improving the extraction effect.

Drawings

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

FIG. 2 is a schematic top view of the rotary base of the present invention;

FIG. 3 is a side view of the impeller;

FIG. 4 is a top view of the impeller;

FIG. 5 is a view showing the construction of an impeller in another embodiment;

in the figure: 1. a container; 2. sealing the cover; 3. a liquid discharge port; 4. a filter screen; 5. an impeller; 6. a rotating base; 7. a magnet; 8. a table top; 9. a rotating electric machine; 51. a rotation fulcrum; 52. a main blade; 53. a secondary blade; 521. an upper inclined plane; 531. a lower bevel.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 to 5, a structure of an embodiment of the present invention: a magnetic control type tissue crushing bacteria extraction device comprises a container 1, wherein a magnetic force rotation driving device is arranged at the bottom of the container 1; an impeller 5 which is driven to rotate by a magnetic rotation driving device is arranged in the container 1; the magnetic rotation driving device is formed by connecting a rotating motor 9 and a rotating seat 6; the rotating base 6 is provided with a magnet 7 for attracting the impeller 5. The magnetic rotary driving device can be fixedly arranged below the bottom surface of the container 1; or may be separate from the container 1 as a separate component; the container 1 can be set into a cup body structure, generally adopts a cylindrical shape, the upper port is provided with a sealing cover, when the device operates, the container 1 is in a sealing state, after the operation is finished, the outlet is opened, and liquid is collected after being filtered to be detected. In the invention, the impeller and the magnetic rotary driving device are in spaced connection, so that the container is more convenient to clean after the operation is finished, and the risk of cross infection can be reduced.

In a preferred embodiment, as shown in fig. 1, the rotation axis of the rotary base 6 is perpendicular to the horizontal plane; the upper end surface of the rotating seat 6 is arranged in parallel with the bottom surface of the container 1. The rotating seat 6 is positioned below the bottom surface of the container 1, the magnet on the rotating seat 6 attracts the impeller, and when the rotating seat 6 rotates, the impeller rotates synchronously.

In a preferred embodiment, as shown in fig. 2, two magnets 7 are disposed on the rotary base 6, and are respectively disposed at two ends of the top surface of the rotary base 6, and each magnet respectively attracts two ends of the impeller.

In a preferred embodiment, as shown in fig. 1, the magnetic rotary driving device is arranged below a table top 8 of the frame; the container 1 is placed on a table top 8.

In a preferred embodiment, in order to enable the impeller 5 to be attracted by a magnet, said impeller 5 is a ferrous member; the bottom of the center of the impeller 5 is provided with a rotating fulcrum 51 protruding downwards. The impeller 5 is freely placed on the bottom of the vessel and supported for rotation by the rotation support 51, and since the impeller is not rotationally fixed, the resistance to the rotation is very small, and the rotation support 51 is preferably of a hemispherical type in order to improve the rotational balance of the impeller.

In a preferred embodiment, as shown in fig. 4, the impeller 5 is provided with at least one pair of main blades 52 and at least one pair of auxiliary blades 53; the primary vane 52 is longer than the secondary vane 53. The primary blades 52 are primarily used to achieve rotational oscillation and rotational cutting action, and the secondary blades are used to balance the rotation of the impeller so that the impeller forms more stable rotation with the solution.

In a preferred embodiment, as shown in fig. 5, two sides of the upper end surface of the main blade 52 are provided with upper inclined surfaces 521; the bottom surface of the auxiliary blade 53 is provided with a lower inclined surface 531. Two upward slopes 521 on main blade 52, the upward slope of one side can make the lysate in rotatory, produce and flow from top to bottom, make the tissue in the lysate can both be cut by main blade, the upward slope of opposite side makes the impeller when high-speed rotation, the lysate can flow down along this upward slope, thereby enter into the bottom of auxiliary blade, the lower slope 531 of auxiliary blade bottom produces the lift simultaneously, the lift that auxiliary blade produced offsets with the descending action that main impeller still, make the impeller high-speed rotation receive the resistance littleer, improve impeller rotation speed, also can improve the impeller cutting effect simultaneously.

In a preferred embodiment, a filter screen 4 is arranged at the outlet of the container 1 in order to filter out the tissue in the lysate.

In a preferred embodiment, the mesh size of the filter screen 4 is 100-120 meshes in order to ensure that acid-fast bacilli pass through and block most tissue fragments.

A magnetic control type tissue crushing bacteria extraction method comprises the following operation steps:

step one, placing a tissue block to be detected and a tissue lysate into the container 1;

secondly, the container 1 is placed on the table top 8 and is positioned right above the rotating seat 6;

step three, starting a rotating motor 9, driving an impeller 5 to rotate at a high speed by rotating a rotating seat 6 through magnetic attraction, and crushing the tissues into paste by the impeller 5;

and step four, pouring out the liquid containing the acid-fast bacillus in the container 1, and filtering out tissue fragments to obtain a liquid specimen containing the acid-fast bacillus.

The core of the invention is: an iron blade, a tissue block to be detected and tissue lysate which can rotate are put into a closed bacteria container. The high-speed rotation is driven by the strong magnetic device, the tissue is crushed into paste in the rotating process of the blade, the paste tissue can be quickly fluffed by the tissue lysate, and the acid-resistant bacillus is easily separated from the tissue into the solution along with the stirring effect generated by the rotation of the blade. The container cover is provided with a cup mouth with a filter screen, and when the liquid containing the acid-resistant bacillus is poured out, the tissue fragments are blocked on the filter screen to obtain a liquid sample containing the acid-resistant bacillus so as to further carry out detection work.

1. The blade is installed on rectangular shape iron component, and iron component and blade can be driven by the strong magnet and rotate, and iron component central part both sides are protruding, form with the bottom of cup rotation fulcrum. The strong magnet is installed on the motor capable of adjusting speed.

2. The tissue lysate has various formulas, such as 20% sodium hypochlorite solution or trypsin.

3. The mesh size of the cup mouth filter screen is 100-120 meshes, so that acid-resistant bacilli can pass through the filter screen, and most tissue fragments are blocked.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. A magnetic control type tissue crushing bacteria extraction device comprises a container (1), and is characterized in that a magnetic force rotation driving device is arranged at the bottom of the container (1); an impeller (5) driven to rotate by a magnetic rotation driving device is arranged in the container (1); the magnetic rotation driving device is formed by connecting a rotating motor (9) and a rotating seat (6); and a magnet (7) for attracting the impeller (5) is arranged on the rotating seat (6).

2. The magnetically controlled tissue pulverizing bacteria extracting apparatus as claimed in claim 1, wherein the rotation axis of the rotating base (6) is perpendicular to the horizontal plane; the upper end surface of the rotating seat (6) is parallel to the bottom surface of the container (1).

3. The magnetic-control tissue-pulverizing bacteria extraction device as claimed in claim 2, wherein the rotary seat (6) is provided with two magnets (7) respectively located at two ends of the top surface of the rotary seat (6).

4. The magnetically controlled tissue pulverizing bacteria extraction device of claim 1, wherein the magnetic rotary drive is disposed below the table (8) of the frame; the container (1) is placed on a table top (8).

5. A magnetically controlled tissue-disrupting bacteria extraction device as claimed in claim 1, in which the impeller (5) is a ferrous member; and a rotating fulcrum (51) protruding downwards is arranged at the bottom of the center of the impeller (5).

6. The magnetic-control tissue-pulverizing bacteria extraction device as claimed in claim 5, characterized in that the impeller (5) is provided with at least one pair of main blades (52) and at least one pair of auxiliary blades (53); the length of the main blade (52) is larger than that of the auxiliary blade (53).

7. The magnetic-control tissue-pulverizing bacteria extraction device as claimed in claim 6, wherein both sides of the upper end surface of the main blade (52) are provided with upper inclined surfaces (521); the bottom surface of the auxiliary blade (53) is provided with a lower inclined surface (531).

8. The magnetic-controlled tissue-pulverizing bacteria extraction device according to claim 1, characterized in that a filter screen (4) is provided at the outlet of the container (1).

9. The device for extracting bacteria by magnetic tissue disruption as claimed in claim 8, wherein the mesh size of said filter screen (4) is 100-120 meshes.