CN214895355U

CN214895355U - Platelet function analyzer

Info

Publication number: CN214895355U
Application number: CN202121552049.XU
Authority: CN
Inventors: 张永超
Original assignee: Beijing Quancheng Yueda Medical Devices Co ltd
Current assignee: Beijing Quancheng Yueda Medical Devices Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-11-26
Anticipated expiration: 2031-07-08

Abstract

The application provides a platelet function analyzer, which comprises a rack, a sequencing unit and a sampling unit, wherein the sequencing unit comprises a first motor, a rotary table and a first conveying belt; the first conveying belt is connected with the rack; when the turntable rotates, one of the conveying grooves can be in butt joint with the first conveying belt, so that one sample cup positioned on the first conveying belt enters the corresponding conveying groove and rotates to the blood collection area along with the conveying groove; the sampling unit comprises a second motor, a connecting ring and a plurality of collecting needles, the second motor is connected with the rack, the connecting ring is connected with an output shaft of the second motor, the second motor is used for driving the connecting ring to rotate so that the plurality of collecting needles sequentially pass through the blood collecting area, and the collecting needles are used for collecting blood samples in a sample cup positioned in the blood collecting area. Automatic continuous blood collection is realized, time and labor are saved, efficiency is high, and cost is low.

Description

Platelet function analyzer

Technical Field

The utility model relates to the field of medical equipment, particularly, relate to a platelet function analyzer.

Background

At present, platelet function detection instruments are various, and blood samples are generally collected manually and then analyzed by an analysis instrument to obtain various parameter indexes of platelets.

The inventor researches and discovers that the existing platelet function analyzer has the following defects:

the sample collection efficiency is low, and the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a platelet function analyzer, it can improve sample collection efficiency, reduce cost.

The embodiment of the utility model is realized like this:

the utility model provides a platelet function analyzer, include:

the automatic sorting device comprises a rack, a sorting unit and a sampling unit, wherein the sorting unit comprises a first motor, a rotary table and a first conveying belt, the first motor is connected with the rack, the rotary table is connected with an output shaft of the first motor, and the peripheral surface of the rotary table is provided with a plurality of conveying grooves which are distributed at intervals in the peripheral direction of the rotary table; the first conveying belt is connected with the rack and used for bearing the sample cups and conveying the sample cups towards the rotary table; when the turntable rotates, one of the conveying grooves can be in butt joint with the first conveying belt, so that one sample cup positioned on the first conveying belt enters the corresponding conveying groove and rotates to the blood collection area along with the conveying groove; the sampling unit comprises a second motor, a connecting ring and a plurality of collecting needles, the second motor is connected with the rack, the connecting ring is connected with an output shaft of the second motor, the collecting needles are arranged at intervals in the circumferential direction of the connecting ring, the second motor is used for driving the connecting ring to rotate so that the collecting needles sequentially pass through the blood collecting area, and the collecting needles are used for collecting blood samples in a sample cup positioned in the blood collecting area.

In an optional embodiment, an arc-shaped limiting plate is arranged on the rack, an introducing port is arranged on the arc-shaped limiting plate, and the introducing port is in butt joint with the first conveying belt; the turntable is located in the area surrounded by the arc limiting plates and is rotatably matched with the arc limiting plates.

In an alternative embodiment, the first conveyor belt is provided with baffles on both sides, which are connected to the frame, for preventing sample cups located on the first conveyor belt from leaving the first conveyor belt from both sides of the first conveyor belt.

In an alternative embodiment, each flap is provided with a flexible layer for contacting the sample cup.

In an alternative embodiment, the flexible layer is provided as a rubber layer or a sponge layer.

In an alternative embodiment, the platelet function analyzer further comprises a second conveyor belt connected to the frame, the second conveyor belt being adapted to receive a sample cup from which a sample is taken.

In an optional embodiment, the sampling unit further includes a lifting mechanism, the lifting mechanism is connected to the frame, the first motor is connected to the lifting mechanism, and the lifting mechanism is configured to drive the first motor to lift relative to the turntable.

In an alternative embodiment, the connection ring is removably connected to the second motor.

In an alternative embodiment, the outer circumferential surface of the turntable is provided with balls for contacting the sample cups.

In an alternative embodiment, the first motor and the second motor are both servo motors.

The embodiment of the utility model provides a beneficial effect is:

in summary, the present embodiment provides a platelet function analyzer, which arranges the sample cups containing blood on the first conveyor belt in sequence, and the first conveyor belt conveys the sample cups together towards the rotary plate. After the foremost sample cup on the first conveying belt reaches the rotary table, if none of the conveying grooves on the rotary table rotates to be in butt joint with the first conveying belt, at the moment, the plurality of sample cups on the first conveying belt slip with the first conveying belt, and the foremost sample cup is in sliding fit with the outer peripheral surface of the rotary table. When one of the plurality of transport slots is rotated into abutment with the first conveyor belt, the forwardmost sample cup enters the transport slot and rotates with the transport slot towards the blood collection area. While the remaining sample cups on the first conveyor belt continue to slip with the first conveyor belt. And when the sample cup is conveyed to the blood collection area along with the conveying groove, one collection needle in the plurality of collection needles collects a blood sample. And the collected collection needle is driven by the second motor to rotate for a set angle, and the new collection needle which does not collect blood rotates to be positioned in the blood collection area, so that the next sample cup is waited to rotate to the blood collection area, and the blood in the new sample cup is collected. So, a plurality of sample cups are gathered through a plurality of collection needles respectively, and degree of automation is high, and blood sample collection efficiency is high, labour saving and time saving, reduce cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a platelet function analyzer according to an embodiment of the present invention;

fig. 2 is a schematic view of a partial structure of a platelet function analyzer according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a part of a sampling unit according to an embodiment of the present invention.

Icon:

001-sample cup; 100-a frame; 110-support legs; 120-a support plate; 130-a housing; 131-a first notch; 132-a second gap; 200-a sorting unit; 210-a first motor; 220-a turntable; 221-a conveying trough; 230-a first conveyor belt; 240-arc limiting plate; 241-an introducing port; 242-outlet port; 250-a baffle plate; 260-a second conveyor belt; 300-a sampling unit; 310-a second motor; 320-a connecting ring; 330-collecting needle; 340-a lifting mechanism;

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as 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 invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, when the platelet function analyzer is used, the blood sample is collected manually and then parameter analysis is carried out by using the analyzer, when the blood sample is more, the blood sample is collected by using an injector continuously and manually, the labor intensity is high, the efficiency is low, errors are easy to occur, and the accuracy of an analysis result is influenced.

In view of this, the designer designs a platelet function analyzer, which has high automation degree, can continuously collect blood samples in large batch, and has low labor intensity, high efficiency and reduced cost.

Referring to fig. 1-3, in the present embodiment, the platelet function analyzer includes a rack 100, a sorting unit 200 and a sampling unit 300, the sorting unit 200 includes a first motor 210, a turntable 220 and a first conveyor belt 230, the first motor 210 is connected to the rack 100, the turntable 220 is connected to an output shaft of the first motor 210, and a plurality of conveying grooves 221 arranged at intervals in the circumferential direction of the turntable 220 are disposed on the outer circumferential surface of the turntable 220; the first conveyor belt 230 is connected to the rack 100, and is used for carrying the sample cup 001 and conveying the sample cup 001 toward the turntable 220; when the turntable 220 rotates, one of the plurality of conveying grooves 221 can be abutted with the first conveying belt 230, so that one sample cup 001 on the first conveying belt 230 enters the corresponding conveying groove 221 and rotates to the blood collection area along with the conveying groove 221; the sampling unit 300 includes a second motor 310, a connection ring 320, and a plurality of collection needles 330, the second motor 310 is connected to the rack 100, the connection ring 320 is connected to an output shaft of the second motor 310, the plurality of collection needles 330 are spaced apart in a circumferential direction of the connection ring 320, the second motor 310 is configured to drive the connection ring 320 to rotate so that the plurality of collection needles 330 sequentially pass through the blood collection region, and the collection needles 330 are configured to collect blood samples in sample cups 001 located in the blood collection region.

In the platelet function analyzer according to this embodiment, the sample cups 001 containing blood are sequentially arranged on the first conveyor belt 230, and the first conveyor belt 230 conveys the plurality of sample cups 001 together toward the turntable 220. After the foremost sample cup 001 on the first conveyor belt 230 reaches the turntable 220, if none of the plurality of conveying grooves 221 on the turntable 220 rotate to abut against the first conveyor belt 230, at this time, the plurality of sample cups 001 on the first conveyor belt 230 slip with the first conveyor belt 230, and the foremost sample cup 001 is in sliding fit with the outer peripheral surface of the turntable 220. When one of the plurality of transfer grooves 221 is rotated to be in abutment with the first conveyor belt 230, the foremost sample cup 001 enters the transfer groove 221 and is rotated together with the transfer groove 221 toward the blood collection region. While the remaining sample cups 001 on the first conveyor belt 230 continue to slip with the first conveyor belt 230. After the sample cup 001 is transferred to the blood collection area along with the transfer groove 221, one collection needle 330 of the collection needles 330 collects a blood sample. And the collected collection needle 330 is driven by the second motor 310 to rotate for a set angle, and the new collection needle 330 which does not collect blood rotates to be located in the blood collection area, so as to wait for the next sample cup 001 to rotate to the blood collection area, and collect the blood in the new sample cup 001. So, a plurality of sample cup 001 are gathered through a plurality of collection needles 330 respectively, and degree of automation is high, and blood sample collection efficiency is high, labour saving and time saving, reduce cost.

In this embodiment, the frame 100 may optionally include support legs 110, a support plate 120, and a housing 130, wherein the support legs 110 are fixedly connected to the support plate 120, and the support legs 110 are used for supporting on the ground. The outer cover 130 is coupled to the support plate 120, and the outer cover 130 and the support plate 120 together define an assembly space. The support legs 110 and the outer cover 130 are located at both sides of the support plate 120.

It should be noted that the number of the support legs 110 may be multiple, the multiple support legs 110 are all installed on the same plate surface of the support plate 120, and the support plate 120 is commonly supported by the multiple support legs 110.

In addition, the bottom of each support leg 110 may be provided with a road wheel that can be braked.

Optionally, the outer cover 130 has a groove, and a first notch 131 and a second notch 132 communicated with the groove, an end surface of the outer cover 130 where the notch is located is fastened on a surface of the support plate 120 away from the support leg 110, and the outer cover 130 and the support plate 120 form a first channel at the first notch 131 and a second channel at the second notch 132. During the use, sample cup 001 is followed the first passageway input to from the second passageway output after gathering, first passageway and second passageway can be central symmetry, are convenient for lay.

Further, a maintenance opening is formed in the outer cover 130, a maintenance door is arranged at the maintenance opening, and the maintenance door is rotatably or slidably connected with the outer cover 130 and used for closing or opening the maintenance opening.

In this embodiment, optionally, the first motor 210 is configured as a servo motor, which is convenient for operation. First motor 210 imbeds in the backup pad 120, and the vertical setting of the output shaft of first motor 210, the output shaft of first motor 210 pass through the spline and are connected with carousel 220, and first motor 210 starts the back, can drive carousel 220 and rotate for backup pad 120. After the turntable 220 is assembled with the output shaft of the first motor 210, the center lines of the first channel and the second channel intersect with the axis of the turntable 220, so that the first conveyor belt 230 and the turntable 220 can be conveniently used in cooperation, that is, the sample cups 001 on the first conveyor belt 230 can be conveniently conveyed to the conveying grooves 221 on the turntable 220.

Optionally, the turntable 220 is a circular disk, the number of the conveying grooves 221 on the turntable 220 is four, and the four conveying grooves 221 are uniformly arranged at intervals in the circumferential direction of the turntable 220. Each conveying groove 221 is a circular arc-shaped groove. Obviously, the number of the conveying grooves 221 on the turntable 220 is not limited to four, and in other embodiments, the conveying grooves may be arranged as needed, and are not listed here.

Further, the outer peripheral surface of the turntable 220 is provided with balls, and the balls are in rolling fit with the outer peripheral surface of the turntable 220. When the sample cup 001 does not enter the conveying groove 221, the sample cup 001 contacts the ball, and the friction force is small when the rotating disc 220 rotates relative to the sample cup 001, so that the sample cup 001 is not easy to scratch.

In this embodiment, optionally, the sorting unit 200 further includes an arc limiting plate 240, the arc limiting plate 240 is an annular plate, the arc limiting plate 240 is provided with an inlet 241 and an outlet 242, the arc limiting plate 240 is fixed on the support plate 120, the rotating disc 220 is located in an area enclosed by the arc limiting plate 240, and the rotating disc 220 is rotatably matched with the arc limiting plate 240.

Further, the outer peripheral surface of the turntable 220 has a distance with the inner arc surface of the arc limiting plate 240, and the two are not in direct contact, so that friction is reduced, and the rotation of the turntable 220 is facilitated.

In this embodiment, optionally, the first conveying belt 230 is disposed in the first channel in a penetrating manner, the first conveying belt 230 is tensioned by a first driving wheel and a second driven wheel, and the first driving wheel is driven by a motor to rotate. One end of the first conveyor belt 230 is abutted against the introduction port 241, and the first conveyor belt 230 is used for conveying the sample cup 001 to the introduction port 241.

Further, two sides of the first conveyor belt 230 in the width direction are respectively provided with a baffle 250, the baffle 250 is fixedly connected with the support plate 120, and a gap is formed between the first conveyor belt 230 and the baffle 250. In the conveying process of the sample cups 001 on the first conveying belt 230, due to the blocking effect of the baffle 250, the sample cups 001 are not prone to toppling, and are not prone to leave the first conveying belt 230 from two sides of the first conveying belt 230 in the width direction, so that the conveying process is high in safety.

Optionally, two flexible layers are arranged on the opposite surfaces of the baffle 250, the flexible layers can be rubber layers or sponge layers and the like, and the flexible layers are used for contacting with the sample cup 001, so that the sample cup 001 is prevented from being scratched. It should be understood that the flexible layer may be adhesively secured to the face of the baffle 250. Alternatively, screws are used to secure the flexible layer to the baffle 250.

In other embodiments, one of the two baffles 250 is configured to slidably engage with the support plate 120 for adjusting the distance between the two baffles 250 to accommodate the delivery of sample cups 001 of different sizes. Moreover, the baffle 250 is connected with the support plate 120 through a locking member, which can be a screw, when the position needs to be adjusted, the screw is loosened, and the baffle 250 can slide relative to the support plate 120; after the slide plate slides to the set position, the screw is tightened to fix the baffle plate 250 and the support plate 120.

In this embodiment, optionally, a second driving wheel and a second driven wheel are disposed on the supporting plate 120, a second conveying belt 260 is tensioned outside the second driving wheel and the second driven wheel, the second conveying belt 260 is disposed in the second channel in a penetrating manner, the conveying direction of the second conveying belt 260 is the same as that of the first conveying belt 230, and one end of the second conveying belt 260 is butted with the outlet 242.

In this embodiment, optionally, the sampling unit 300 further includes a lifting mechanism 340, and the lifting mechanism 340 may be a hydraulic cylinder, a pneumatic cylinder, or an electric push rod. The lifting mechanism 340 is connected with the housing 130, the second motor 310 is connected with the lifting mechanism 340, and the lifting mechanism 340 is used for driving the second motor 310 and the plurality of collecting needles 330 to lift relative to the turntable 220. When the carousel 220 carries sample cup 001 to the blood collection region, the height of gathering needle 330 is higher this moment, avoids producing the interference with sample cup 001, bumps. When a blood sample needs to be collected, the lifting mechanism 340 is started to drive the second motor 310 and the plurality of collecting needles 330 to descend, and one of the plurality of collecting needles 330 extends into the sample cup 001 to collect the blood sample. After collection, the lifting mechanism 340 drives the second motor 310 and the collection needles 330 to ascend, and the turntable 220 can drive the sample cup 001 to continue rotating. And, the second motor 310 drives the collection needle 330 to rotate, so that the new collection needle 330 can be used to collect the blood in the next sample cup 001. It should be understood that the rotation of the turntable 220 may be intermittent, and the time is reserved for the acquisition unit to perform the acquisition operation.

It should be understood that collection needles 330 may be syringes, each collection needle 330 may be independently positioned and independently controlled, and a hydraulic or pneumatic cylinder may be used to control the movement of the plunger rod of the syringe to accomplish the blood collection procedure. That is, when the collection needle 330 is not collecting blood, the plunger rod of the collection needle 330 substantially abuts the front end of the barrel of the collection needle 330, and the volume of the rod-less chamber in the barrel is at a minimum. When a blood sample needs to be collected, the lifting mechanism 340 drives the collecting needle 330 to descend, the liquid suction end of the cylinder body is immersed in the blood in the sample cup 001, then, the piston rod moves away from the liquid suction end, the volume of the rodless cavity is increased, the blood is sucked into the rodless cavity by utilizing negative pressure, and the blood sample collection is completed.

Optionally, the connection ring 320 is detachably connected to the output shaft of the second motor 310, the connection ring 320 and the plurality of collecting needles 330 are in a modular design, when the plurality of collecting needles 330 on the connection ring 320 complete the collection of blood samples, the connection ring 320 is directly removed, and the connection ring 320 with the new collecting needles 330 is connected to the output shaft of the second motor 310, so that the replacement is facilitated.

It should be appreciated that the collection needle 330 may be in one-to-one correspondence with the sample cup 001, for example, by scanning or labeling the blood sample in the collection needle 330 with the sample cup 001, thereby avoiding errors in analysis results and improving reliability.

It should be understood that the blood sample collected by the collection needle 330 can be analyzed by the existing analysis method, and the detailed description is omitted in this embodiment.

The platelet function analyzer provided by the embodiment can realize continuous and automatic sample collection, reduces labor intensity, improves operation efficiency and reduces cost.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A platelet function analyzer, comprising:

the sorting unit (200) comprises a rack (100), a sorting unit (200) and a sampling unit (300), wherein the sorting unit (200) comprises a first motor (210), a rotary table (220) and a first conveying belt (230), the first motor (210) is connected with the rack (100), the rotary table (220) is connected with an output shaft of the first motor (210), and a plurality of conveying grooves (221) which are arranged at intervals in the circumferential direction of the rotary table (220) are formed in the outer circumferential surface of the rotary table (220); the first conveyor belt (230) is connected with the rack (100) and is used for carrying sample cups (001) and conveying the sample cups (001) towards the turntable (220); when the turntable (220) rotates, one of the conveying grooves (221) can be butted with the first conveying belt (230), so that a sample cup (001) on the first conveying belt (230) enters the corresponding conveying groove (221) and rotates to a blood collection area along with the conveying groove (221); the sampling unit (300) comprises a second motor (310), a connecting ring (320) and a plurality of collecting needles (330), wherein the second motor (310) is connected with the rack (100), the connecting ring (320) is connected with an output shaft of the second motor (310), the plurality of collecting needles (330) are arranged at intervals in the circumferential direction of the connecting ring (320), the second motor (310) is used for driving the connecting ring (320) to rotate so that the plurality of collecting needles (330) sequentially pass through the blood collecting area, and the collecting needles (330) are used for collecting blood samples in a sample cup (001) in the blood collecting area.

2. A platelet function analyzer according to claim 1, wherein:

an arc-shaped limiting plate (240) is arranged on the rack (100), an introducing port (241) is arranged on the arc-shaped limiting plate (240), and the introducing port (241) is butted with the first conveying belt (230); the rotary table (220) is located in the area enclosed by the arc limiting plates (240) and is rotatably matched with the arc limiting plates (240).

3. A platelet function analyzer according to claim 1, wherein:

the two sides of the first conveyer belt (230) are provided with baffle plates (250), the baffle plates (250) are connected with the frame (100), and the baffle plates (250) are used for preventing the sample cups (001) on the first conveyer belt (230) from leaving the first conveyer belt (230) from the two sides of the first conveyer belt (230).

4. A platelet function analyzer according to claim 3, wherein:

each baffle (250) is provided with a flexible layer for contacting with a sample cup (001).

5. The platelet function analyzer according to claim 4, wherein:

the flexible layer is arranged to be a rubber layer or a sponge layer.

6. A platelet function analyzer according to claim 1, wherein:

the platelet function analyzer further comprises a second conveying belt (260), the second conveying belt (260) is connected with the rack (100), and the second conveying belt (260) is used for receiving the sample cup (001) which is subjected to sampling.

7. A platelet function analyzer according to claim 1, wherein:

the sampling unit (300) further comprises a lifting mechanism (340), the lifting mechanism (340) is connected with the rack (100), the first motor (210) is connected with the lifting mechanism (340), and the lifting mechanism (340) is used for driving the first motor (210) to lift relative to the turntable (220).

8. A platelet function analyzer according to claim 1, wherein:

the connection ring (320) is detachably connected to the second motor (310).

9. A platelet function analyzer according to claim 1, wherein:

the outer peripheral surface of the turntable (220) is provided with a ball which is used for contacting with the sample cup (001).

10. A platelet function analyzer according to claim 1, wherein:

the first motor (210) and the second motor (310) are both servo motors.