CN220625916U

CN220625916U - Heavy fat sample lipid separation device

Info

Publication number: CN220625916U
Application number: CN202322161099.0U
Authority: CN
Inventors: 肖玲
Original assignee: Huidong County People's Hospital
Current assignee: Huidong County People's Hospital
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-03-19
Anticipated expiration: 2033-08-11

Abstract

The utility model discloses a heavy lipid specimen lipid separation device, in particular relates to the technical field of medical equipment, and solves the technical problem that in the process of handheld operation, upper lipid substances and lower serum can be stirred up and down, so that part of lower serum and upper lipid substances are mixed again. The centrifugal tube separating device comprises a base, wherein a supporting and fixing mechanism for supporting and fixing the centrifugal tube is arranged at the top of the base, a plate body is arranged above the base, a separating mechanism and an adjusting mechanism for adjusting the height of the separating mechanism are arranged in the plate body, the position of the separating mechanism corresponds to that of the supporting and fixing mechanism, the base is connected with the plate body through a connecting column, one end of the connecting column is connected with the base, and the other end of the connecting column is rotatably connected with the plate body. The purpose is that medical staff is not needed to hold the device, and the lower serum and the upper lipid substances are prevented from being mixed again, so that the accuracy of the lower serum detection is reduced.

Description

Heavy fat sample lipid separation device

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a heavy fat specimen lipid separation device.

Background

At present, clinical laboratory in hospitals needs to detect blood samples of patients, but severe lipidemia specimens often appear, and CM and VLDL in blood fat in the severe lipidemia specimens are suspended particles, so that the common colorimetric method or nephelometry method for biochemical detection is greatly interfered. For severe lipid blood samples, the sample must be pre-treated prior to testing because the background absorbance of the sample is too high.

The existing method generally adopts a high-speed centrifugation method to process: the lipid turbidity serum is covered and sealed, and the lipid blood sample is layered after high-speed centrifugation for 5 minutes at 1-1.5 ten thousand rpm, wherein lipid substances are distributed on the upper layer due to small density, water and other components in the serum are distributed on the lower layer, then medical staff remove the lipid substances on the upper layer, and the lower layer serum components are detected, so that the interference of the lipid substances on the detection can be eliminated.

In the process of removing the upper lipid substances by medical staff, the centrifuge tube is generally held by one hand, the upper lipid substances are sucked by the other hand of the hand-held suction tube or are adhered to the upper lipid substances by the hand-held cotton swab, but in the process of hand-held operation, the upper lipid substances and the lower serum can be stirred up and down, so that part of the lower serum and the upper lipid substances are mixed again, and the accuracy of detecting the lower serum is reduced.

Disclosure of Invention

The utility model provides a heavy fat specimen lipid separation device which is used for solving the technical problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides a heavy fat sample lipid separation device, includes the base, the top of base is equipped with the support fixed establishment who is used for supporting and fixed centrifuging tube, the top of base is equipped with the plate body, be equipped with separating mechanism in the plate body and be used for adjusting separating mechanism high adjustment mechanism, separating mechanism's position with support fixed establishment's position is corresponding, the base with connect through the spliced pole between the plate body, the one end of spliced pole with the base is connected, the other end with the plate body rotates to be connected.

Preferably, the adjusting mechanism comprises a sleeve arranged on the plate body, a screw is arranged in the sleeve, a worm wheel is sleeved outside the screw, the screw is in threaded connection with the worm wheel, the worm wheel is arranged in the sleeve and is in rotary connection with the sleeve, a worm matched with the worm wheel is further arranged in the sleeve, the worm is in rotary connection with the sleeve, and one end of the worm is arranged outside the sleeve; the bottom of the screw rod is connected with the separating mechanism, and the top of the screw rod is provided with a limiting mechanism.

Preferably, the limiting mechanism comprises a top plate fixedly connected with the top of the screw rod, a sliding rod is arranged at the bottom of the top plate, one end of the sliding rod is fixedly connected with the top plate, and the other end of the sliding rod is arranged in the sleeve and is in sliding connection with the sleeve.

Preferably, the separation mechanism comprises a connecting rod detachably connected with the bottom end of the screw rod, and a lipid adsorption block matched with the caliber of the centrifuge tube is arranged at the other end of the connecting rod.

Preferably, the support fixing mechanism comprises a plurality of support arms hinged to the top of the base, the support arms are uniformly distributed around the outer side of the separating mechanism, each support arm is connected with a tension spring towards one side of the separating mechanism, the other end of the tension spring is connected with the base, a support block is arranged at the top end of the support arm, and a first elastic roller is rotatably connected to one side of the support block, which is close to the separating mechanism.

Preferably, an elastic gasket is arranged at the top of the supporting arm.

Preferably, an auxiliary pressing plate is further connected to the bottom of the supporting block at one side facing the separating mechanism, one end of the auxiliary pressing plate is hinged to the supporting block, and a second elastic rolling shaft matched with the wall of the centrifuge tube is arranged at the other end of the auxiliary pressing plate; one side of the auxiliary pressing plate is connected with a compression spring, and the other side of the compression spring is connected with the supporting arm.

Preferably, the bottom of the base is provided with an anti-slip pad.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. firstly, rotating a plate body, placing a centrifugal tube filled with a specimen into a supporting and fixing mechanism, fixing an opening of the centrifugal tube upwards, then rotating the plate body again to enable the separating mechanism to correspond to the supporting and fixing mechanism, adjusting the height of the separating mechanism through an adjusting mechanism, enabling the separating mechanism to enter into a separating tube, fine adjusting the height of the separating mechanism until the separating mechanism reaches a proper height, adsorbing lipid tissues on an upper layer, lifting the separating mechanism through the adjusting mechanism, rotating the plate body, and taking the separating tube from the supporting and fixing mechanism for inspection. Through this device, need not medical staff with a handheld centrifuging tube, the handheld straw of another hand absorbs upper lipid material or handheld cotton swab glues upper lipid material clean, avoids stirring upper lipid material and lower floor's serum from top to bottom at the in-process of handheld operation for partial lower floor's serum and upper lipid material reproduce to mix, lead to the degree of accuracy that lower floor's serum detected to reduce.

2. Through rotatory worm, drive the worm wheel is rotatory, because the screw rod with worm wheel threaded connection to the top of screw rod is equipped with stop gear, makes the worm wheel drive at rotatory in-process the screw rod moves down, thereby will separating mechanism stretches into in the separating tube, then medical staff slowly rotates the outer end of worm carries out the fine setting to separating mechanism's height, makes separating mechanism just reach the liquid level department between upper lipid material and the lower floor's serum, and separating mechanism absorbs upper lipid material. Moreover, the device adopts the worm and gear mechanism, has the characteristic of larger transmission ratio, can further realize the fine adjustment of the height of the separating mechanism, prevents the overlarge height change rate of the separating mechanism during adjustment, causes the excessively low height of the separating mechanism during adjustment, and enters into lower serum to influence the subsequent detection.

3. The separation mechanism comprises a connecting rod detachably connected with the bottom end of the screw rod, the other end of the connecting rod is provided with a lipid adsorption block matched with the caliber of the centrifuge tube, after the degreasing operation of one lipid specimen is completed, the used separation mechanism can be taken down, and then a new separation mechanism is replaced to prepare for degreasing of the next lipid specimen.

4. The support fixing mechanism comprises four support arms hinged to the top of the base, the support arms are evenly distributed around the outer side of the separating mechanism, each support arm is connected with a tension spring towards one side of the separating mechanism, the other end of each tension spring is connected with the base, a support block is arranged on the top end of each support arm, a first elastic roller is rotatably connected to one side of each support block, which is close to the separating mechanism, a centrifuge tube is vertically and downwards inserted into the central position of each support arm, and the support arms clamp the centrifuge tube under the action of the tension springs.

5. The top of support arm is equipped with the elastic gasket, and the elastic gasket is accepted the port below of centrifuging tube to prevent the rotatory slip of centrifuging tube.

6. The auxiliary compacting plate further compacts and stabilizes the centrifugal tube under the action of the compression spring.

Drawings

The utility model will now be described by way of example and with reference to the accompanying drawings in which:

FIG. 1 is a front view of a lipid separation device for a heavy lipid sample according to the present utility model;

FIG. 2 is a top view of a lipid separation device for a heavy lipid sample according to the present utility model;

FIG. 3 is a cross-sectional view of the cross-section A of FIG. 2;

fig. 4 is a cross-sectional view of the cross-section B of fig. 3.

Reference numerals

1-base, 2-centrifuging tube, 3-plate body, 4-spliced pole, 5-sleeve, 6-screw rod, 7-worm wheel, 8-worm, 9-roof, 10-slide bar, 11-connecting rod, 12-lipid absorption piece, 13-support arm, 14-extension spring, 15-supporting piece, 16-first elasticity roller, 17-elasticity gasket, 18-auxiliary hold-down plate, 19-second elasticity roller, 20-compression spring, 21-slipmat, 22-concave position, 23-lug.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, are intended to be within the scope of the present application.

In the description of the embodiments of the present application, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of description and simplicity of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The present utility model will be described in detail with reference to fig. 1 to 4.

Examples:

the utility model provides a heavy fat sample lipid separation device, includes base 1, the top of base 1 is equipped with the support fixed establishment who is used for supporting and fixed centrifuging tube 2, the top of base 1 is equipped with plate body 3, be equipped with separating mechanism in the plate body 3 and be used for adjusting separating mechanism high adjustment mechanism, separating mechanism's position with the position of supporting fixed establishment is corresponding, base 1 with be connected through spliced pole 4 between the plate body 3, the one end of spliced pole 4 with base 1 is connected, the other end with plate body 3 rotates to be connected.

When the centrifugal tube is specifically used, firstly, the plate body 3 is rotated, the centrifugal centrifuge tube 2 filled with a specimen is placed in the supporting and fixing mechanism, the opening of the centrifugal tube 2 is fixed upwards, then, the plate body 3 is rotated again to enable the separating mechanism to correspond to the supporting and fixing mechanism, then, the height of the separating mechanism is adjusted through the adjusting mechanism, so that the separating mechanism enters the separating tube, then, the height of the separating mechanism is finely adjusted to reach the proper height, the upper lipid tissue is adsorbed completely, then, the separating mechanism is lifted up through the adjusting mechanism, and then, the separating tube is taken down from the supporting and fixing mechanism to be checked. Through this device, need not medical staff with a handheld centrifuging tube 2, the handheld straw of another hand absorbs upper lipid material or handheld cotton swab glues upper lipid material clean, avoids stirring upper lipid material and lower floor's serum from top to bottom at the in-process of handheld operation for partial lower floor's serum and upper lipid material reproduce to mix, lead to the degree of accuracy of lower floor's serum detection to reduce.

In this embodiment, the adjusting mechanism includes a sleeve 5 disposed on the plate 3, a screw 6 is disposed inside the sleeve 5, a worm wheel 7 is sleeved outside the screw 6, the screw 6 is in threaded connection with the worm wheel 7, the worm wheel 7 is disposed inside the sleeve 5 and is in rotational connection with the sleeve 5, a worm 8 matched with the worm wheel 7 is further disposed inside the sleeve 5, the worm 8 is in rotational connection with the sleeve 5, and one end of the worm 8 is disposed outside the sleeve 5; the bottom of the screw rod 6 is connected with the separating mechanism, and the top of the screw rod 6 is provided with a limiting mechanism.

During specific use, the worm wheel 7 is driven to rotate by rotating the worm 8, and as the screw rod 6 is in threaded connection with the worm wheel 7, and a limiting mechanism is arranged at the top of the screw rod 6, the worm wheel 7 drives the screw rod 6 to move downwards in the rotating process, so that the separating mechanism stretches into the separating tube, then medical staff slowly rotates the outer end of the worm 8 to finely adjust the height of the separating mechanism, so that the separating mechanism just reaches the liquid level between the upper lipid substance and the lower serum, and the separating mechanism absorbs the upper lipid substance. And this device adopts 7 worm 8 mechanisms of worm wheel, has great transmission ratio's characteristics, and then can realize the fine setting of separating mechanism's height, and the high rate of change of separating mechanism when adjusting is too big, leads to separating mechanism to adjust the height too low, enters into in the lower floor's serum, influences subsequent detection.

In this embodiment, the limiting mechanism includes a top plate 9 fixedly connected with the top of the screw rod 6, a sliding rod 10 is disposed at the bottom of the top plate 9, one end of the sliding rod 10 is fixedly connected with the top plate 9, and the other end of the sliding rod 10 is disposed inside the sleeve 5 and is slidably connected with the sleeve 5.

In specific use, the sliding rod 10 can prevent the screw rod 6 from rotating along with the worm wheel 7 when the screw rod 6 moves up and down, so that the screw rod 6 cannot move.

In this embodiment, the separating mechanism includes the connecting rod 11 with the detachable connection of screw rod 6 bottom, the other end of connecting rod 11 is equipped with the lipid adsorption piece 12 with centrifuging tube 2 bore assorted, wherein, the bottom of screw rod 6 is equipped with the chuck, the top of connecting rod 11 be equipped with the draw-in groove of chuck, thereby realize the screw rod 6 bottom with the detachable connection of connecting rod 11.

In particular, after the degreasing operation of one lipid specimen is completed, the used separation mechanism can be removed, and then a new separation mechanism is replaced to prepare for degreasing of the next lipid specimen.

It should be noted that the lipid adsorption block 12 is made of medical cotton.

In this embodiment, the support fixing mechanism includes four support arms 13 hinged to the top of the base 1, the support arms 13 are uniformly distributed around the outside of the separation mechanism, each support arm 13 is connected with a tension spring 14 on one side facing the separation mechanism, the other end of the tension spring 14 is connected with the base 1, a support block 15 is provided on the top end of the support arm 13, and the support block 15 is rotatably connected with a first elastic roller 16 on one side close to the separation mechanism.

In specific use, the centrifugal tube 2 is vertically and downwardly inserted into the central positions of the four supporting arms 13, and the supporting arms 13 clamp the centrifugal tube 2 under the action of the tension springs 14.

It should be noted that the first elastic roller 16 is made of silica gel.

In this embodiment, the top of the support arm 13 is provided with a resilient pad 17.

In particular use, the resilient gasket 17 is received under the port of the centrifuge tube 2 and prevents rotational slippage of the centrifuge tube 2.

In this embodiment, an auxiliary pressing plate 18 is further connected to the bottom of the supporting block 15 at a side facing the separating mechanism, one end of the auxiliary pressing plate 18 is hinged to the supporting block 15, and a second elastic roller 19 matched with the wall of the centrifuge tube 2 is disposed at the other end of the auxiliary pressing plate 18; one side of the auxiliary pressing plate 18 is connected with a compression spring 20, and the other side of the compression spring 20 is connected with the supporting arm 13.

In specific use, the auxiliary pressing plate 18 further presses and stabilizes the centrifuge tube 2 under the action of the compression spring 20.

In this embodiment, a non-slip mat 21 is provided at the bottom of the base 1.

In particular use, the device can be stably placed on the operating table by means of the anti-slip pad 21.

In other embodiments, unlike the above embodiments, the end of the connecting post 4 is provided with a recess 22 at the rotational connection with the plate 3, the plate 3 is provided with a protrusion 23 corresponding to the recess 22, and the position of the recess 22 is set near the sleeve 5. When medical staff rotates the plate body 3, whether the separating mechanism is aligned with the port of the centrifuge tube 2 can be judged according to the hand feeling of the matching of the concave position 22 and the convex block 23.

In other embodiments, unlike the above embodiments, the outer end of the worm 8 is provided with a knob, and the surface of the knob is provided with anti-slip patterns.

In other embodiments, the support arms 13 are provided in three, differently from the above-described embodiments, so as to increase the field of view of medical staff.

The foregoing examples merely represent specific embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, which fall within the protection scope of the present application.

Claims

1. A heavy fat specimen lipid separation device, characterized in that: including base (1), the top of base (1) is equipped with the support fixed establishment who is used for supporting and fixed centrifuging tube (2), the top of base (1) is equipped with plate body (3), be equipped with separating mechanism in plate body (3) and be used for adjusting separating mechanism high adjustment mechanism, separating mechanism's position with the position of supporting fixed establishment is corresponding, base (1) with be connected through spliced pole (4) between plate body (3), the one end of spliced pole (4) with base (1) are connected, the other end with plate body (3) rotate and are connected.

2. The heavy fat sample lipid separation device of claim 1, wherein: the adjusting mechanism comprises a sleeve (5) arranged on the plate body (3), a screw rod (6) is arranged in the sleeve (5), a worm wheel (7) is sleeved outside the screw rod (6), the screw rod (6) is in threaded connection with the worm wheel (7), the worm wheel (7) is arranged in the sleeve (5) and is rotationally connected with the sleeve (5), a worm (8) matched with the worm wheel (7) is further arranged in the sleeve (5), the worm (8) is rotationally connected with the sleeve (5), and one end of the worm (8) is arranged outside the sleeve (5); the bottom of the screw rod (6) is connected with the separating mechanism, and the top of the screw rod (6) is provided with a limiting mechanism.

3. The heavy fat specimen lipid separation device of claim 2, wherein: the limiting mechanism comprises a top plate (9) fixedly connected with the top of the screw rod (6), a sliding rod (10) is arranged at the bottom of the top plate (9), one end of the sliding rod (10) is fixedly connected with the top plate (9), and the other end of the sliding rod (10) is arranged in the sleeve (5) and is in sliding connection with the sleeve (5).

4. The heavy fat specimen lipid separation device of claim 2, wherein: the separation mechanism comprises a connecting rod (11) detachably connected with the bottom end of the screw rod (6), and a lipid adsorption block (12) matched with the caliber of the centrifuge tube (2) is arranged at the other end of the connecting rod (11).

5. The heavy lipid specimen lipid separation device according to any one of claims 1 to 4, wherein: the support fixing mechanism comprises a plurality of support arms (13) hinged to the top of the base (1), the support arms (13) are evenly distributed around the outside of the separating mechanism, each support arm (13) is connected with a tension spring (14) towards one side of the separating mechanism, the other end of each tension spring (14) is connected with the base (1), a support block (15) is arranged at the top end of each support arm (13), and one side, close to the separating mechanism, of each support block (15) is rotationally connected with a first elastic roller (16).

6. The heavy fat sample lipid separation device of claim 5, wherein: an elastic gasket (17) is arranged at the top of the supporting arm (13).

7. The heavy fat sample lipid separation device of claim 5, wherein: the bottom of the supporting block (15) is further connected with an auxiliary pressing plate (18) at one side facing the separating mechanism, one end of the auxiliary pressing plate (18) is hinged with the supporting block (15), and a second elastic rolling shaft (19) matched with the wall of the centrifuge tube (2) is arranged at the other end of the auxiliary pressing plate (18); one side of the auxiliary pressing plate (18) is connected with a compression spring (20), and the other side of the compression spring (20) is connected with the supporting arm (13).

8. The heavy lipid specimen lipid separation device according to any one of claims 1 to 4, wherein: the bottom of the base (1) is provided with an anti-slip pad (21).