CN111229479A

CN111229479A - Centrifugal device for clinical laboratory

Info

Publication number: CN111229479A
Application number: CN202010077359.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-28
Filing date: 2020-01-28
Publication date: 2020-06-05

Abstract

The invention belongs to the technical field of clinical laboratory, in particular to a centrifugal device for clinical laboratory, which aims at solving the problem that the actual centrifugal sampling effect is influenced by the over-high rotating speed of part of reagents in reagent tubes due to the different distances between jacks for inserting the reagent tubes and the axis on a centrifugal turntable. In the invention, the rotating speed of the reagent tube in each placing cylinder is the same, the centrifugation speed of the reagent in the reagent tube is the same, the damage of part of the reagent caused by overhigh centrifugation speed or overlong centrifugation time is avoided, and the actual use effect of the centrifugal device is improved.

Description

Centrifugal device for clinical laboratory

Technical Field

The invention relates to the technical field of clinical laboratories, in particular to a centrifugal device for a clinical laboratory.

Background

The medical science, which is a discipline for treating various diseases or lesions of the human body by scientific or technical means, is a biological application discipline, which is divided into basic medicine and clinical medicine, a high-level science for treating human diseases from an anatomical level and a molecular genetic level, is a systematic discipline for treating diseases from prevention to treatment, and the research fields largely include basic medicine, clinical medicine, forensic medicine, laboratory medicine, preventive medicine, health care medicine, rehabilitation medicine and the like, wherein the laboratory discipline is a bridge between clinical medicine and basic medicine, and comprises branch disciplines of clinical chemistry, clinical microbiology, clinical immunology, hematology, humoral science, transfusion science and the like.

In the laboratory of clinical laboratory, it is often necessary to carry out centrifugal operation on materials such as blood or reagent, thereby realize the sampling operation of liquid layering and inspection and batching through the centrifugation, when carrying out centrifugal operation in the prior art, generally will adorn actually in the reagent pipe and block up the back through the stopper, insert the reagent pipe and locate rotatory centrifugal operation on the carousel, but on the carousel of actual use, be provided with the jack of different intervals in the periphery of axle center, make the interval of reagent pipe and axle center different on the carousel, and make actual rotational speed have the difference, need cooperate the reagent of the slow position of rotational speed to carry out the centrifugation in centrifugal operation process, and can lead to the reagent of the fast position of rotational speed to rotate too much and cause the decline of reagent quality, and influence actual centrifugal sampling effect.

Disclosure of Invention

The invention provides a centrifugal device for a clinical laboratory, which is based on the technical problem that in the prior art, due to the fact that distances between jacks for inserting reagent tubes and an axis are different, and the actual centrifugal sampling effect is influenced by the fact that the rotating speed of reagents in partial reagent tubes is too high.

The centrifugal device for the clinical laboratory comprises a base with a cavity at the top, a hydraulic lifting rod is fixed on the inner wall of the bottom of the base, and the top end of the hydraulic lifting rod is fixed with a base, the top of the base is provided with a plurality of placing discs with circular sections, the outer walls of the placing discs are mutually meshed, the bottom of the placing disc is fixed with a fixed rod, the bottom end of the fixed rod is rotatably connected with the top of the base, the bottom of one of the placing discs is connected with a driving motor in a transmission way, the driving motor is fixed on the outer wall of the top of the base, the outer wall of the top of the placing disc is provided with jacks distributed in an annular array way, and the inner wall of the jack is fixed with a placing cylinder with an opening at the top, the top end of the placing cylinder inclines upwards towards one side far away from the axle center of the placing disc, a reagent tube is placed in the placing barrel, and a sealing plug is clamped at the position of a tube opening of the reagent tube.

Preferably, a silica gel pad is fixed on the inner wall of the placing cylinder.

Preferably, a plurality of spacing grooves have been seted up to the bottom of reagent pipe outer wall, and the spacing groove is provided with the spout that is located the bottom, and the bottom of spout extends the reagent pipe downwards, and the spread groove has been seted up on the top of spout one side inner wall, and the draw-in groove has been seted up to one side that the spout was kept away from to spread groove top inner wall.

Preferably, the position of placing a section of thick bamboo inner wall and spacing groove correspondence is fixed with the stopper, and the outer wall and the inner wall sliding connection of spout, spread groove and draw-in groove of stopper.

Preferably, the bottom inner wall of base can be dismantled and be connected with the inner box, and the hydraulic lifting rod is fixed in the bottom inner wall of inner box, and the top of inner box is leaned on and is connected with the apron, and the base top is provided with the buckle with apron looks adaptation.

Preferably, the outer wall of the bottom of the cover plate and the position corresponding to the placing plate are provided with fixing holes, and the inner wall of each fixing hole is rotatably connected with a connecting block through a bearing.

Preferably, the bottom of the connecting block extends out of a fixing hole, the bottom of the outer wall of the connecting block is slidably connected with a lower pressing piece, and a plurality of springs are connected between the top of the lower pressing piece and the bottom of the connecting block.

Preferably, a pressing block is fixed on the outer wall of the bottom of the lower pressing piece at a position corresponding to the reagent tube, and the bottom of the pressing block is arranged to be an inclined surface matched with the reagent tube.

Preferably, the inner wall of the inner box is connected with a ball in a rotating manner at a position corresponding to the placing plate, an auxiliary groove of an annular structure is formed at a position corresponding to the ball on the outer wall of the bottom of the placing plate, and the inner wall of the auxiliary groove is in rolling connection with the ball.

Compared with the prior art, the invention provides a centrifugal device for clinical laboratory, which has the following beneficial effects:

1. this centrifugal device for clinical laboratory, through the dish of placing that is provided with a plurality of intermeshing on the base, place and be provided with a section of thick bamboo of placing that annular array distributes on the dish, carry out placing the centrifugation of reagent pipe through a plurality of dishes of placing, and make the position of placing a section of thick bamboo rather than correspond the axle center position distance of placing the dish the same, thereby when rotating a plurality of dishes of placing, make every place the reagent pipe slew velocity in the section of thick bamboo the same, make the centrifugation speed of the intraductal reagent of reagent the same, avoid causing partial reagent to cause the damage because centrifugation speed is too fast or centrifugation time overlength, improve this centrifugal device's in-service use effect.

2. This centrifugal device for clinical laboratory, a plurality of spacing grooves have been seted up to the reagent pipe outer wall bottom that the device will deposit reality, the spacing groove includes the spout of the vertical setting in bottom, the intermediate position is the spread groove that the level set up, and be located the draw-in groove of the vertical setting in top, the stopper that makes to place a section of thick bamboo inner wall rises along the spout, then rotatory reagent pipe makes in the stopper slides in the draw-in groove, compare in directly can making reagent pipe more stable with this design of reagent pipe cunning, it places to be more convenient for carry out the dismantlement of reagent pipe fast in this design of threaded connection.

3. This centrifugal device for clinical laboratory can rise to place the dish and get and put reagent pipe through being provided with hydraulic lifting rod in the base bottom, can will place the dish and descend so that place the dish at the incasement internal rotation to be provided with the apron at the top of base, the apron bottom utilizes the elasticity of spring to make down piece and briquetting compress tightly reagent pipe, makes down piece and connecting block rotate along with reagent pipe together, thereby guarantees the stability of reagent pipe in centrifugal operation in-process.

4. This centrifugal device for clinical laboratory has the ball through at the incasement wall with place the position roll connection that the dish was used to place the position that sets up the loop configuration's auxiliary tank in the position that sets up the portion of trying to get to the heart of a matter and ball correspond, will place the dish and fall and make the auxiliary tank support on the ball, further strengthen the stability of placing the rotatory process of dish.

Drawings

Fig. 1 is a schematic view of the overall structure of a centrifuge device for clinical laboratory according to the present invention.

Fig. 2 is a schematic cross-sectional structural view of a centrifuge device for clinical laboratory according to embodiment 1 of the present invention.

FIG. 3 is a schematic diagram of a reagent tube structure of a centrifuge device for clinical laboratory according to the present invention.

Fig. 4 is a schematic cross-sectional structural view of a centrifuge device for clinical laboratory according to embodiment 2 of the present invention.

In the figure: the device comprises a base 1, a hydraulic lifting rod 2, a base 3, a placing disc 4, a fixing rod 5, a placing cylinder 6, a silica gel pad 7, a reagent tube 8, a sealing plug 9, a limiting groove 10, a limiting block 11, an inner box 12, a cover plate 13, a connecting block 14, a pressing piece 15, a spring 16, a pressing block 17 and a ball 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, a centrifugal device for clinical laboratory, comprising a base 1 with a cavity on the top, a hydraulic lifting rod 2 fixed on the inner wall of the bottom of the base 1, a base 3 fixed on the top of the hydraulic lifting rod 2, a plurality of placing trays 4 with circular cross sections arranged on the top of the base 3, the outer walls of the placing trays 4 are engaged with each other, a fixing rod 5 fixed on the bottom of the placing tray 4, the bottom end of the fixing rod 5 is rotatably connected with the top of the base 3, a driving motor is connected with the bottom of one of the placing trays 4 in a transmission manner and fixed on the outer wall of the top of the base 3, jacks distributed in an annular array are arranged on the outer wall of the top of the placing tray 4, a placing barrel 6 with an opening on the top is fixed on the inner wall of the jacks, the top end of the placing barrel 6 inclines upwards towards one side far away from the axis of the placing, and a sealing plug 9 is clamped at the position of the tube opening of the reagent tube 8.

According to the invention, a silica gel pad 7 is fixed on the inner wall of a placing cylinder 6, a plurality of limiting grooves 10 are formed in the bottom of the outer wall of a reagent tube 8, sliding grooves located at the bottom are formed in the limiting grooves 10, the reagent tube 8 extends downwards from the bottom end of the sliding grooves, a connecting groove is formed in the top end of the inner wall of one side of each sliding groove, a clamping groove is formed in one side, away from the sliding grooves, of the inner wall of the top of each connecting groove, a limiting block 11 is fixed on the position, corresponding to the limiting grooves 10, of the inner wall of the placing cylinder 6, and;

the bottom inner wall of base 1 can be dismantled and be connected with inner box 12, and hydraulic lifting rod 2 is fixed in the bottom inner wall of inner box 12, the top of inner box 12 is by having lapped 13, 1 top of base is provided with the buckle with lapping 13 looks adaptation, the fixed orifices has been seted up with the position of placing dish 4 correspondence to lapping 13 bottom outer wall, and the inner wall of fixed orifices rotates through the bearing and is connected with connecting block 14, the fixed orifices extends to connecting block 14 bottom, and the bottom sliding connection of connecting block 14 outer wall has holding down 15, be connected with a plurality of springs 16 between the top of holding down 15 and the bottom of connecting block 14, holding down 15 bottom outer wall has the rigidity that reagent pipe 8 corresponds to have briquetting 17, and the bottom of briquetting 17 sets to the inclined plane with 8 looks adaptations of reagent pipe.

When the centrifugal device is used, the placing discs 4 are provided with the placing cylinders 6 distributed in an annular array, the reagent tubes 8 are placed and centrifuged through the placing discs 4 which are meshed with each other, and the distance between the position of the placing cylinder 6 and the axis position of the corresponding placing disc 4 is the same, so that when the placing discs 4 are rotated, the rotating speed of the reagent tubes 8 in each placing cylinder 6 is the same, the centrifugal speed of reagents in the reagent tubes 8 is the same, the damage of partial reagents caused by the over-high centrifugal speed or over-long centrifugal time is avoided, and the actual using effect of the centrifugal device is improved;

can rise placing plate 4 through being provided with hydraulic lifting rod 2 in base 1 bottom and get and put reagent pipe 8, can be with placing plate 4 and descend so that placing plate 4 rotates in inner box 12 to be provided with apron 13 at the top of base 1, apron 13 bottom utilizes the elasticity of spring 16 to make down piece 15 and briquetting 17 compress tightly reagent pipe 8, makes down piece 15 and connecting block 14 rotate along with reagent pipe 8 together, thereby guarantees the stability of reagent pipe 8 in centrifugal operation process.

Example 2

Referring to fig. 4, in the centrifugal device for clinical laboratory, a ball 18 is rotatably connected to a position of the inner wall of an inner box 12 corresponding to a placing plate 4, an auxiliary groove of an annular structure is formed in a position of the outer wall of the bottom of the placing plate 4 corresponding to the ball 18, and the inner wall of the auxiliary groove is in rolling connection with the ball 18.

During the use, place the dish 4 bottom and offer the auxiliary groove of loop configuration with the position that ball 18 corresponds, will place the dish 4 and drop and make the auxiliary groove support on ball 18, further strengthen the stability of placing the rotatory process of dish 4.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The centrifugal device for the clinical laboratory comprises a base (1) with a cavity formed in the top, and is characterized in that a hydraulic lifting rod (2) is fixed on the inner wall of the bottom of the base (1), a base (3) is fixed on the top end of the hydraulic lifting rod (2), a plurality of placing discs (4) with circular cross sections are arranged on the top of the base (3), the outer walls of the placing discs (4) are meshed with each other, a fixing rod (5) is fixed on the bottom of each placing disc (4), the bottom ends of the fixing rods (5) are rotatably connected with the top of the base (3), a driving motor is connected to the bottom of one placing disc (4) in a transmission mode and fixed on the outer wall of the top of the base (3), jacks distributed in an annular array mode are formed in the outer wall of the top of the placing disc (4), and a placing cylinder (6) with an opening at the top is fixed on the inner, the top end of the placing barrel (6) inclines upwards towards one side far away from the axis of the placing disc (4), a reagent tube (8) is placed inside the placing barrel (6), and a sealing plug (9) is clamped at the position of a tube opening of the reagent tube (8).

2. The centrifuge device for clinical laboratory according to claim 1, wherein a silica gel pad (7) is fixed on the inner wall of said placing cylinder (6).

3. The centrifuge device for clinical laboratory according to claim 1 or 2, wherein the bottom of the outer wall of the reagent tube (8) is provided with a plurality of limiting grooves (10), the limiting grooves (10) are provided with sliding grooves at the bottom, the bottom end of the sliding grooves extends downwards to form the reagent tube (8), the top end of the inner wall at one side of the sliding grooves is provided with connecting grooves, and one side of the inner wall at the top of the connecting grooves, which is far away from the sliding grooves, is provided with clamping grooves.

4. The centrifuge device for clinical laboratory according to claim 3, wherein a position of the inner wall of said placing cylinder (6) corresponding to said position-limiting groove (10) is fixed with a position-limiting block (11), and the outer wall of said position-limiting block (11) is slidably connected with the inner walls of said sliding groove, said connecting groove and said clamping groove.

5. The centrifuge device for clinical laboratory according to claim 1 or 2, wherein the inner bottom wall of the base (1) is detachably connected with an inner box (12), the hydraulic lifting rod (2) is fixed on the inner bottom wall of the inner box (12), the top of the inner box (12) is connected with a cover plate (13), and the top of the base (1) is provided with a buckle matched with the cover plate (13).

6. The centrifuge device for clinical laboratory according to claim 5, wherein the outer wall of the bottom of the cover plate (13) is provided with a fixing hole at the position corresponding to the placing plate (4), and the inner wall of the fixing hole is rotatably connected with a connecting block (14) through a bearing.

7. The centrifuge device for clinical laboratory according to claim 6, wherein a fixing hole is extended from the bottom of said connecting block (14), and a lower member (15) is slidably connected to the bottom of the outer wall of said connecting block (14), and a plurality of springs (16) are connected between the top of said lower member (15) and the bottom of said connecting block (14).

8. The centrifuge device for clinical laboratory according to claim 7, wherein a pressing block (17) is fixed on the outer wall of the bottom of the lower pressing member (15) at a position corresponding to the reagent tube (8), and the bottom of the pressing block (17) is provided with an inclined surface adapted to the reagent tube (8).

9. The centrifuge device for clinical laboratory according to claim 5, wherein the ball (18) is rotatably connected to the inner wall of the inner box (12) at a position corresponding to the placing plate (4), an auxiliary groove with an annular structure is formed at a position corresponding to the ball (18) on the outer wall of the bottom of the placing plate (4), and the inner wall of the auxiliary groove is in rolling connection with the ball (18).