CN223570944U

CN223570944U - A medical testing centrifuge

Info

Publication number: CN223570944U
Application number: CN202520129962.0U
Authority: CN
Inventors: 黄祥美; 王义明; 王秀敏
Original assignee: Kunshan Traditional Chinese Medicine Hospital
Current assignee: Kunshan Traditional Chinese Medicine Hospital
Priority date: 2025-01-20
Filing date: 2025-01-20
Publication date: 2025-11-21
Anticipated expiration: 2035-01-20

Abstract

This utility model relates to the field of centrifugation equipment technology, specifically to a medical testing centrifuge, comprising a housing with a sealing cap hinged to it. An inner cylinder is fixedly connected inside the housing, and a turntable is rotatably connected inside the inner cylinder. A slot assembly is provided on the turntable, and a sleeve assembly for placing reagent tubes is inserted into the slot assembly. The slot assembly includes multiple outer and inner slots on the turntable. The sleeve assembly includes an insert plate adapted to the outer and inner slots. A sleeve is fixedly connected to the end of the insert plate via a ring, and a ring is fixedly connected to the top of the sleeve. A placement cylinder for receiving the bottom of the reagent tube is slidably disposed inside the sleeve. This utility model, by inserting the sleeve assembly and reagent tubes into the outer or inner slots, enables the centrifugation of multiple substances to be tested simultaneously. Furthermore, by changing the position of the placement cylinder, the sleeve can accommodate reagent tubes of different lengths.

Description

Medical science inspection centrifugal equipment

Technical Field

The utility model relates to the technical field of centrifugal equipment, in particular to medical inspection centrifugal equipment.

Background

Medical testing is a science that performs microbiological, immunological, biochemical, genetic, hematological, biophysical, cytologic, etc. tests on materials taken from the human body, thereby providing information for the prevention, diagnosis, treatment of human diseases, and assessment of human health. The device that is now essential in medicine in the course of testing is the centrifuge.

Such as CN208340968U discloses a centrifugal device for medical examination, and the test tube can be effectively protected by mounting a fixing frame device in the comparative patent, so as to prevent the test tube from cracking during the centrifugation process.

However, the applicant finds that the distances between all holes formed in the device of the comparative patent fixing frame and the axis of the rotating shaft are equal, so that when the rotating shaft rotates at a certain rotating speed, the centrifugal forces born by the reagent tubes inserted in the holes are the same, and the centrifugal forces required by different substances to be tested are different, so that only one substance to be tested can be centrifuged at a time, and multiple substances to be tested cannot be centrifuged at a time.

Disclosure of utility model

The utility model aims to provide a medical inspection centrifugal device, which aims to solve the problems that when a turntable in the existing centrifugal device rotates for centrifugation, only one substance to be inspected can be centrifuged at one time, a plurality of substances to be inspected cannot be centrifuged at the same time (centrifugal forces required by different substances to be inspected are different), and the centrifugal device cannot be suitable for reagent tubes with different lengths, so that the centrifugal efficiency and the adaptability of the centrifugal device are reduced.

Based on the above purpose, the utility model provides a medical examination centrifugal device, which comprises a shell, wherein a sealing cover is hinged on the shell, an inner cylinder is fixedly connected in the shell, a rotary table is rotationally connected in the inner cylinder, a slot component is arranged on the rotary table, and a sleeve component for placing a reagent tube is inserted in the slot component;

The slot assembly comprises a plurality of outer slots and inner slots which are arranged on the turntable, and the distance between the inner slots and the axis of the turntable is unequal to the distance between the outer slots and the axis of the turntable, so that the centrifugal force received by the inner slots is different from the centrifugal force received by the outer slots in the process of rotating the turntable;

The sleeve assembly comprises a plugboard which is matched with the outer slot and the inner slot, the end part of the plugboard is fixedly connected with a sleeve through a circular ring, the top of the sleeve is fixedly connected with a circular ring, a placing barrel used for receiving the bottom of the reagent tube is arranged in the sleeve in a sliding mode, and when the reagent tube is inserted into the circular ring to extend into the sleeve, the position of the placing barrel can be adjusted, so that the placing barrel can receive reagent tubes with different lengths.

Preferably, the plurality of outer slots and the plurality of inner slots are uniformly distributed on the turntable in circumference, and the distance between the inner slot and the axis of the turntable is smaller than that between the outer slot and the axis of the turntable.

Preferably, each inner slot is located between two adjacent outer slots, and a notch is further formed between two adjacent outer slots.

Preferably, the inner walls of the circular ring and the placing cylinder are fixedly connected with a plurality of arc-shaped elastic sheets, and the arc-shaped elastic sheets uniformly encircle the inner walls of the circular ring and the placing cylinder.

Preferably, the sleeve is provided with a through groove, the placing cylinder is fixedly connected with a threaded column penetrating through the through groove, and the threaded column is connected with a nut in a threaded manner and abutted to the sleeve.

Preferably, an auxiliary scale is arranged on the sleeve.

Preferably, the rotary table is rotatably connected in the inner cylinder through a rotary shaft and a bearing, and a driving machine for driving the rotary shaft and the rotary table to rotate is arranged in the shell.

The beneficial effects of the utility model are as follows:

1. the outer slot and the inner slot are formed in the rotary table, and the distances between the outer slot and the inner slot and the axis of the rotary table are different, so that the centrifugal force received in the inner slot is different from the centrifugal force received in the outer slot in the process of rotating the rotary table, the sleeve assembly and the reagent tube can be selectively inserted in the outer slot or the inner slot according to the required centrifugal force of the substances to be tested, and various substances to be tested can be centrifuged once.

2. Through setting up mobilizable section of thick bamboo of placing in the sleeve pipe for when placing reagent pipe in the sleeve pipe, can adjust the position of placing the section of thick bamboo according to the actual length of reagent pipe, can adapt to the reagent pipe of different length, avoided when placing some short heparin tubes, need put the adapter in advance and put the condition of reagent pipe, in addition after the centrifugation, also can be through promoting to place the section of thick bamboo and upwards move, drive the reagent pipe and stretch out the sleeve pipe, thereby provide convenience for taking the reagent pipe.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of the internal structure of an inner cylinder according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of FIG. 2 in accordance with an embodiment of the present utility model;

FIG. 4 is a schematic view of a sleeve assembly according to an embodiment of the present utility model inserted into an inner slot;

FIG. 5 is a schematic view of a sleeve assembly according to an embodiment of the present utility model;

Fig. 6 is a schematic diagram of an exploded structure of fig. 5 according to an embodiment of the present utility model.

1, A shell, 2, a sealing cover, 3, an inner cylinder, 4, a rotary table, 5, a slot assembly, 51, an outer slot, 52, an inner slot, 6, a sleeve assembly, 61, a plugboard, 62, a sleeve, 63, a circular ring, 64, a placing cylinder, 65, an arc-shaped elastic piece, 66, a through slot, 67, a threaded column, 68, a nut, 69, an auxiliary scale, 7, a notch, 8 and a driving machine.

Detailed Description

The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the medical examination centrifugal equipment comprises a shell 1, a sealing cover 2 is hinged on the shell 1, an inner cylinder 3 is fixedly connected in the shell 1, a rotary table 4 is rotationally connected in the inner cylinder 3 through a rotating shaft and a bearing, a driving machine 8 for driving the rotating shaft and the rotary table 4 to rotate is arranged in the shell 1, a slot component 5 is arranged on the rotary table 4, and a sleeve component 6 for placing reagent tubes is inserted in the slot component 5;

The driving machine 8 is of an integrated structure of a motor and a speed reducer, the driving machine 8 drives the rotating shaft to rotate, so that the rotating disc 4 can be driven to rotate, and the sleeve assembly 6 and the reagent tube which are inserted on the rotating disc can be driven to rotate, so that the reagent tube is centrifuged.

The slot assembly 5 comprises a plurality of outer slots 51 and inner slots 52 which are arranged on the turntable 4, and the distance between the inner slots 52 and the axle center of the turntable 4 is unequal to the distance between the outer slots 51 and the axle center of the turntable 4, so that the centrifugal force received by the inner slots 52 is different from the centrifugal force received by the outer slots 51 in the process of rotating the turntable 4;

The sleeve assembly 6 comprises a plugboard 61 matched with the outer plugboard 51 and the inner plugboard 52, the end part of the plugboard 61 is fixedly connected with a sleeve 62 through a circular ring, the top of the sleeve 62 is fixedly connected with a circular ring 63, a placing cylinder 64 for receiving the bottom of a reagent tube is slidably arranged in the sleeve 62, and when the reagent tube is inserted into the circular ring 63 and extends into the sleeve 62, the position of the placing cylinder 64 can be adjusted so that the placing cylinder 64 can receive reagent tubes with different lengths.

Through the arrangement of the insert plate 61, the inner inserting groove 52 and the outer inserting groove 51, when the reagent tube is required to be centrifuged, the sleeve 62 can be quickly inserted into the outer inserting groove 51 or the inner inserting groove 52 through the insert plate 61, then the reagent tube is placed into the sleeve 62, and the sleeve 62 can be quickly taken down after a period of use, and the sleeve 62 can be cleaned or replaced.

The sleeve assembly 6 is inserted into the inner slot 52 and is inserted into the outer slot 51 to be subjected to different centrifugal forces, so that the sleeve assembly 6 and the reagent tube can be inserted into the outer slot 51 or the inner slot 52 according to the centrifugal force required by the substances to be tested, and various substances to be tested can be centrifuged at one time;

And the placing cylinder 64 can move in the sleeve 62, so that reagent tubes with different lengths can be adapted, the situation that the reagent tubes need to be placed and adapted when certain short blood collection tubes are placed is avoided, convenience is brought to placing the reagent tubes, and the operation efficiency is improved.

In a preferred embodiment of the present utility model, the plurality of outer slots 51 and the plurality of inner slots 52 are uniformly circumferentially distributed on the turntable 4, and the distance between the inner slots 52 and the axis of the turntable 4 is smaller than the distance between the outer slots 51 and the axis of the turntable 4, i.e. the radius of rotation of the sleeve 62 inserted in the outer slots 51 is larger than the radius of rotation inserted in the inner slots 52.

The outer slots 51 and the inner slots 52 are circumferentially distributed on the turntable 4, so that the subsequent balancing is facilitated when the sleeve is inserted and the reagent tube is put into the sleeve, and the centrifugal force received by the sleeve 62 inserted into the outer slots 51 is larger than the centrifugal force received by the inner slots 52 when the turntable 4 rotates at a certain rotating speed because the rotating radius is larger when the rotating speed is fixed according to the formula rcf= 1.118 x ^-5×r×N² between the relative centrifugal force and the rotating speed and r is the rotating radius and N is the rotating speed.

As the centrifugal forces required by different substances to be tested are different, it is known that the sleeve 62 and the reagent tube can be selectively inserted into the outer insertion groove 51 or the inner insertion groove 52 according to the centrifugal force required by the substances to be tested, so that a plurality of substances to be tested can be centrifuged at one time.

In another preferred embodiment of the present utility model, each inner slot 52 is located between two adjacent outer slots 51, and a notch 7 is further formed between two adjacent outer slots 51.

By arranging the notch 7, the sleeve 62 is conveniently inserted into the inner slot 52 through the inserting plate 61, and the edge of the turntable 4 is prevented from obstructing the sleeve 62.

In still another preferred embodiment of the present utility model, a plurality of arc-shaped elastic pieces 65 are fixedly connected to the inner walls of the circular ring 63 and the placement cylinder 64, and the plurality of arc-shaped elastic pieces 65 uniformly surround the inner walls of the circular ring 63 and the placement cylinder 64.

Through the setting of a plurality of arc elastic pieces 65 for the reagent pipe is through the in-process of ring 63 intubate placement cylinder 64, and the reagent pipe can overcome the elasticity of arc elastic piece 65 self, and the arc elastic piece 65 then can produce an elastic support force to the reagent pipe, thereby can carry out spacing fixedly to the head and the afterbody of the reagent pipe of different thickness, make the reagent pipe of different thickness all can be stable be located the sleeve pipe 62.

The sleeve 62 is provided with a through groove 66, the placing cylinder 64 is fixedly connected with a threaded column 67 penetrating through the through groove 66, the threaded column 67 is connected with a nut 68 abutting against the sleeve 62 in a threaded manner, and the sleeve 62 is provided with an auxiliary scale 69.

When the reagent tubes with different lengths are required to be adapted, the screw cap 68 is unscrewed to release the limit of the screw column 67, then the screw cap 68 pushes the screw column 67 to drive the placing cylinder 64 to move along the through groove 66, and the screw cap 68 is screwed to fix the screw column 67 after the placing cylinder 64 moves to a proper position, so that the purpose of changing the position of the placing cylinder 64 is achieved, and the reagent tubes with different lengths can be adapted;

and after centrifugation, the reagent tube after centrifugation can be driven to move upwards to extend out of the sleeve 62 by pushing the placing cylinder 64 upwards, so that convenience is brought to take the reagent tube after centrifugation.

Claims

1. The medical inspection centrifugal equipment comprises a shell (1), wherein a sealing cover (2) is hinged to the shell (1), and the medical inspection centrifugal equipment is characterized in that an inner cylinder (3) is fixedly connected in the shell (1), a rotary table (4) is rotationally connected to the inner cylinder (3), a slot component (5) is arranged on the rotary table (4), and a sleeve component (6) for placing a reagent tube is inserted in the slot component (5);

The slot assembly (5) comprises a plurality of outer slots (51) and inner slots (52) which are arranged on the turntable (4), wherein the distance between the inner slots (52) and the axis of the turntable (4) is unequal to the distance between the outer slots (51) and the axis of the turntable (4), so that the centrifugal force received by the inner slots (52) is different from the centrifugal force received by the outer slots (51) in the process of rotating the turntable (4);

The casing assembly (6) comprises a plug board (61) which is matched with the outer slot (51) and the inner slot (52), the end part of the plug board (61) is fixedly connected with a casing (62) through a circular ring, the top of the casing (62) is fixedly connected with a circular ring (63), a placing cylinder (64) used for receiving the bottom of a reagent tube is arranged in the casing (62) in a sliding manner, and when the reagent tube is inserted into the circular ring (63) and stretches into the casing (62), the position of the placing cylinder (64) can be adjusted, so that the placing cylinder (64) can receive reagent tubes with different lengths.

2. A medical examination centrifugal device according to claim 1, wherein the plurality of outer slots (51) and the plurality of inner slots (52) are all circumferentially and evenly distributed on the turntable (4), and the distance between the inner slots (52) and the axis of the turntable (4) is smaller than the distance between the outer slots (51) and the axis of the turntable (4).

3. A medical examination centrifugal device according to claim 2, wherein each inner slot (52) is located between two adjacent outer slots (51), and a notch (7) is also provided between two adjacent outer slots (51).

4. A medical examination centrifugal device according to claim 1, wherein a plurality of arc-shaped elastic pieces (65) are fixedly connected to the inner walls of the circular ring (63) and the placement barrel (64), and the arc-shaped elastic pieces (65) uniformly encircle the inner walls of the circular ring (63) and the placement barrel (64).

5. A medical examination centrifugal device according to claim 1, wherein the sleeve (62) is provided with a through groove (66), a threaded column (67) penetrating through the through groove (66) is fixedly connected to the placing cylinder (64), and a nut (68) abutted to the sleeve (62) is connected to the threaded column (67) in a threaded manner.

6. A medical examination centrifugal device according to claim 5, wherein the sleeve (62) is provided with an auxiliary scale (69).

7. A medical examination centrifugal device according to claim 1, characterized in that the turntable (4) is rotatably connected in the inner cylinder (3) by means of a shaft and a bearing, and that a drive machine (8) for driving the shaft and the turntable (4) in rotation is mounted in the housing (1).