CN109870008B

CN109870008B - Slide drying device and blood smear manufacturing system

Info

Publication number: CN109870008B
Application number: CN201711248659.9A
Authority: CN
Inventors: 丁建文; 李嵘
Original assignee: AVE Science and Technology Co Ltd
Current assignee: AVE Science and Technology Co Ltd
Priority date: 2017-12-01
Filing date: 2017-12-01
Publication date: 2020-09-08
Anticipated expiration: 2037-12-01
Also published as: CN109870008A

Abstract

A slide drying device comprises a base, an air drying wheel, a drying mechanism and a driving mechanism; the drying wheel comprises a wheel body and a plurality of separating sheets, the wheel body is in transmission connection with the driving mechanism and can rotate relative to the base under the driving of the driving mechanism, the plurality of separating sheets are arranged on the wheel body, every two adjacent separating sheets define a separating space for placing a glass slide, and the drying mechanism is used for providing an air source or a heat source for the glass slide in the separating space. This slide drying device can arrange the slide in the segmentation space that air-dries round upper segment piece formed in, and actuating mechanism drive air-dries the rotatory slide that drives of wheel, and dry mechanism bloies or provides heat energy to the slide at rotatory in-process and reaches the purpose of rapid draing slide.

Description

Slide drying device and blood smear manufacturing system

Technical Field

The invention relates to the field of medical instruments, in particular to a slide drying device and a blood smear manufacturing system.

Background

Blood smears are the basic method for routine blood tests and are the basic procedure relied on by the standard reference methods for blood analysis prescribed by the international committee for standardization of hematology. The traditional method for making the blood smear adopts manual making, and comprises the specific steps of firstly carrying out blood smear pushing on a glass slide, then carrying out drying, dyeing and drying, and then carrying out operations such as microscopic observation, counting and the like. This manual mode of operation is slow and not suitable for large-scale blood sample processing.

Therefore, a push piece dyeing machine is used for making a blood smear, wherein a scraping piece contacts a sample such as a blood drop dropped on a glass slide in a push piece link and moves relative to the glass slide at a certain inclination angle, so that the sample is diffused on the surface of the glass slide to finish smear making. However, the blood membrane sheet on the slide is not fixed after the push piece is finished by the push piece dyeing machine, so that the following dyeing effect is influenced; meanwhile, the existence of the staining solution which is not dried completely on the stained slide also affects the boxing of the slide.

Disclosure of Invention

In view of the above, it is necessary to provide a slide drying device for drying a slide after pushing or a slide after staining and a blood smear preparing system with the slide drying device, in order to solve the problem that the slide after pushing or the slide after staining needs to be dried.

A slide drying device comprises a base, an air drying wheel, a drying mechanism and a driving mechanism; the drying wheel comprises a wheel body and a plurality of separating sheets, the wheel body is in transmission connection with the driving mechanism and can rotate relative to the base under the driving of the driving mechanism, the plurality of separating sheets are arranged on the wheel body, every two adjacent separating sheets define a separating space for placing a glass slide, and the drying mechanism is used for providing an air source or a heat source for the glass slide in the separating space.

In one embodiment, the drying mechanism includes a fan, the wheel body is provided with ventilation holes communicated with the separation space, and the fan blows air to the separation space through the ventilation holes.

In one embodiment, the drying mechanism further includes an air guiding cover, the air guiding cover is disposed between the fan and the base, the air guiding cover includes an air inlet facing the fan and an air outlet facing the base, and a diameter of the air inlet is greater than a diameter of the air outlet.

In one embodiment, the driving mechanism comprises a driving power member and a driving shaft in transmission connection with the driving power member, one axial end of the driving shaft is provided with driving teeth, and the outer periphery of the wheel body is formed with receiving teeth meshed with the driving teeth.

In one embodiment, the driving teeth are respectively disposed at two axial ends of the driving shaft, the air drying wheel includes two air drying wheels disposed oppositely, a plurality of separating plates are disposed on mutually facing surfaces of two wheel bodies in the air drying wheel, and the receiving teeth on the two wheel bodies are respectively engaged with the driving teeth at two axial ends of the driving shaft.

In one embodiment, the roller further comprises a shaft pin and a bearing, the base is provided with a shaft pin hole, the wheel body is provided with a connecting hole, the shaft pin is arranged in the shaft pin hole in a penetrating manner, and the bearing is sleeved outside the bearing and is assembled in the shaft pin hole and/or the connecting hole.

In one embodiment, the pivot pin is further provided with a blocking piece, the blocking piece is uniformly provided with an idle slot, and the base is further provided with a photoelectric switch for detecting the idle slot.

In one embodiment, the plurality of separating sheets are uniformly distributed in a radial manner from the center of the wheel body along the circumferential direction of the wheel body, and the ventilation holes are formed between two adjacent separating sheets.

A blood smear making system comprises the slide drying device.

In one embodiment, the blood smear making system further comprises a substrate, a slide pushing device and a staining device, wherein the slide pushing device and the staining device are arranged on the substrate along the slide conveying direction; the setting position of the slide drying device includes any one of the following:

the slide drying device is arranged between the slide pushing device and the dyeing device;

the slide drying device is arranged on one side of the dyeing device, which is far away from the slide pushing device;

the two slide drying devices are respectively arranged between the slide pushing device and the dyeing device and on one side of the dyeing device far away from the slide pushing device.

This slide drying device can arrange the slide in the segmentation space that air-dries round upper segment piece formed in, and actuating mechanism drive air-dries the rotatory slide that drives of wheel, and dry mechanism bloies or provides heat energy to the slide at rotatory in-process and reaches the purpose of rapid draing slide. In addition, a plurality of separated spaces on the air drying wheel can dry a plurality of slides at the same time, the drying efficiency is high, and the effect of buffering the slides can be achieved.

Drawings

FIG. 1 is a schematic view showing the overall configuration of a slide drying apparatus according to an embodiment of the present invention;

FIG. 2 is an exploded view of the slide drying apparatus shown in FIG. 1;

FIG. 3 is a schematic view of the slide drying apparatus shown in FIG. 1 with a base omitted;

FIG. 4 is a schematic view showing the structure of an air drying wheel of the slide drying apparatus shown in FIG. 1;

FIG. 5 is a schematic diagram of the overall structure of the blood smear making system according to an embodiment of the present invention.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 4, the present invention provides a slide drying apparatus 100, which includes a base 10, an air drying wheel 20, a drying mechanism 30, and a driving mechanism 40. The driving mechanism 40 is assembled on the base 10, the air drying wheel 20 includes a wheel body 21 and a plurality of separating sheets 23, the wheel body 21 is in transmission connection with the driving mechanism 40 and can rotate relative to the base 10 under the driving of the driving mechanism 40. A plurality of separators 23 are disposed on the wheel body 21, and each two adjacent separators 23 define a separation space for placing a slide 50 (see fig. 2), and a drying mechanism 30 is disposed on the base 10 for providing an air source or a heat source to the slide 50 in the separation space.

The slide drying device 100 can place the slide 50 in the partitioned space, the partition 23 supports the slide 50, the driving mechanism 40 drives the air drying wheel 20 to rotate so as to drive the slide 50 to rotate, the drying mechanism 30 blows air or provides heat energy to the slide 50 in the rotating process of the slide 50, moisture remained on the slide 50 is volatilized rapidly, so that the slide 50 is dried, and the slide 50 enters the next processing flow in a dry state. The plurality of partitioned spaces on the air drying wheel 20 can dry a plurality of slides 50 at the same time, so that the drying efficiency is high, and the slide 50 can be buffered.

Referring to fig. 4, in one embodiment, the wheel body 21 of the seasoning wheel 20 is shaped like a disk, but in other embodiments, the wheel body 21 may be shaped like another centrosymmetric shape, such as a square disk. The arrangement mode of the plurality of separating sheets 23 is that the separating sheets are uniformly distributed along the circumferential direction of the wheel body 21 from the center of the wheel body 21 in a radiation manner, and a ventilation hole 211 is formed between every two adjacent separating sheets 23.

Referring to fig. 2 and 3, in one embodiment, the drying mechanism 30 includes a fan 301, and the fan 301 blows air to the slide 50 separated in the separated space through the air-permeable hole 211. In order to increase the blowing effect of the fan 301 to the slide 50, the drying device 30 further includes an air guiding cover 303, the air guiding cover 303 is disposed between the fan 301 and the base 10, and the air guiding cover 303 includes an air inlet facing the fan 301 and an air outlet facing the base 10, wherein the aperture of the air inlet is larger than the aperture of the air outlet, so that the air guiding cover can collect air, increase the air pressure, and can better blow the air blown out by the fan 301 to the slide 50, thereby accelerating the drying speed of the slide 50.

Referring to fig. 2 and 3, in one embodiment, the driving mechanism 40 includes a driving power member 41 and a driving shaft 44 in transmission connection with the driving power member 41. In this embodiment, the power member 41 is a driving motor, the base 10 is provided with a driving shaft hole 401, the driving shaft 44 is disposed in the driving shaft hole 401, one end of the driving shaft 44 is connected to the driving motor, and the other end is connected to the rotating bracket 42. The drive shaft 44 is provided at one axial end with drive teeth 441, and the outer peripheral edge of the wheel body 21 is formed with receiving teeth 213 that mesh with the drive teeth. This enables the driving member 41 to drive the driving shaft 44 to rotate, and the driving shaft 44 drives the airing wheel 20 to rotate through the tooth transmission.

In one embodiment, the driving teeth 441 are disposed at two axial ends of the driving shaft 44, the seasoning wheel 20 includes two oppositely disposed portions, the plurality of spacers 23 are disposed on the surfaces of the two wheel bodies 21 of the seasoning wheel 20 facing each other, and the receiving teeth 213 of the two wheel bodies 21 are engaged with the driving teeth 441 at two axial ends of the driving shaft 44, respectively. As shown in fig. 3, the slide 50 is placed on two oppositely disposed separating sheets 23 on the two wheels 21, and the slide 50 is turned over when the slide 50 is rotated from the slide a position to the slide B position. The slide can be better dried, and the slide 50 after being pushed is dried, so that the slide 50 can be reversely dyed after the slide 50 is turned over, and the dyeing efficiency is improved.

Referring to fig. 2, in one embodiment, the slide drying device 100 further includes a shaft pin 103 and a bearing 107. The base 10 is provided with a shaft pin hole 130, the wheel body 21 is provided with a connecting hole 215, and the shaft pin 103 is inserted into the shaft pin hole 130 and the connecting hole 215 to mount the wheel body 21 on the base 10. In order to ensure the smooth rotation of the driving shaft pin 103, the bearing 107 is sleeved outside the shaft pin 103 and is assembled in the shaft pin hole 130 and/or the connecting hole 215.

Referring to fig. 2, in one embodiment, the shaft pin 103 is further provided with a blocking piece 108, and the blocking piece 108 is uniformly provided with empty slots, and the number of the empty slots is the same as that of the separating pieces 23. The base 10 is further provided with a photoelectric switch 60, the photoelectric switch 60 is matched with the blocking piece 108, the photoelectric switch 60 is used for detecting the rotation time interval of the blocking piece 108, namely, the rotation condition of the air drying wheel 20, the photoelectric switch 60 feeds back the detection result to the control system, and the control system adjusts the rotation speed of the driving piece 41.

Referring to fig. 5, the present invention further provides a blood smear making system 1000, which includes the above slide drying device 100. The blood smear making system 1000 further includes a base plate 400, a slide pushing device 200, and a staining device 300, wherein the slide pushing device 200 and the staining device 300 are disposed on the base plate 400 along the transport direction of the slide 50. The setting position of the slide drying device 100 includes any of the following: firstly, the slide drying device 100 is arranged between the slide pushing device 200 and the staining device 300 and is used for drying the slide 50 after being pushed; secondly, the slide drying device 100 is arranged on one side of the staining device 300 far away from the slide pushing device, namely the slide drying step is carried out after the staining step; and thirdly, the two slide drying devices 100 are respectively arranged between the slide pushing device 200 and the dyeing device 300 and on one side of the dyeing device 300 far away from the slide pushing device 200, so that the slide 50 can be dried twice respectively, and the prepared blood smear has the best effect.

When the slide drying device 100 is used in a process of making a blood smear, the slide 50 can be effectively dried, and the slide drying device 100 can simultaneously dry a plurality of slides 50 and buffer the slides 50 because a plurality of separating sheets are arranged on the wheel body 21 to form a plurality of separated spaces. After the slide 50 is pushed into the separation space from the initial position in the horizontal direction, when the wheel body 21 rotates more than 90 degrees, the slide 50 will turn over in the separation space under the action of gravity, so that the other side of the slide 50 is dried. The slide 50 is rotated 180 degrees from the initial position by the air drying wheel 20 and then enters the next operation procedure. Because the slide 50 is turned, when the slide 50 after being pushed enters the dyeing device, the slide 50 can be dyed reversely, so that the dyeing speed is increased, the dyed slide 50 passes through the slide drying device 100 again, the slide 50 is turned back to the initial surface again, and then the box is loaded, so that the speed of the blood smear manufacturing system 1000 for manufacturing the blood smear is increased.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A slide drying device is characterized by comprising a base, two air drying wheels, a drying mechanism and a driving mechanism; the glass drying device comprises a base, a driving mechanism, two drying wheels, a plurality of separating sheets, a drying mechanism and a drying mechanism, wherein the driving mechanism is assembled on the base, the two drying wheels are arranged oppositely, each drying wheel comprises a wheel body and a plurality of separating sheets, the wheel bodies are in transmission connection with the driving mechanism and can rotate relative to the base under the driving of the driving mechanism, the plurality of separating sheets are arranged on the mutually facing surfaces of the two wheel bodies, every two adjacent separating sheets define a separating space for placing a glass slide, the glass slide is placed on the two oppositely arranged separating sheets on the two wheel bodies, and the drying mechanism is used for providing an air source or a heat source for the glass slide in the.

2. The slide drying apparatus according to claim 1, wherein the drying mechanism includes a fan, the wheel body has a ventilation hole communicating with the partitioned space, and the fan blows air to the partitioned space through the ventilation hole.

3. The slide drying apparatus according to claim 2, wherein the drying mechanism further comprises an air guide cover, the air guide cover is disposed between the fan and the base, the air guide cover includes an air inlet facing the fan and an air outlet facing the base, and a diameter of the air inlet is larger than a diameter of the air outlet.

4. The slide drying apparatus according to claim 1, wherein the drive mechanism includes a drive power member and a drive shaft drivingly connected to the drive power member, the drive shaft being provided at one axial end thereof with drive teeth, and the wheel body being formed at an outer peripheral edge thereof with receiving teeth that mesh with the drive teeth.

5. The slide drying apparatus according to claim 4, wherein the drive teeth are provided at both axial ends of the drive shaft, the air drying wheels include two air drying wheels that are disposed opposite to each other, a plurality of the partition plates are provided on surfaces of the two air drying wheels that face each other, and the receiving teeth on the two air drying wheels are engaged with the drive teeth at both axial ends of the drive shaft, respectively.

6. The slide drying device according to claim 1, further comprising a shaft pin and a bearing, wherein the base has a shaft pin hole, the wheel body has a connection hole, the shaft pin is inserted into the shaft pin hole and the connection hole, and the bearing is sleeved outside the shaft pin and assembled in the shaft pin hole and/or the connection hole.

7. The slide drying apparatus as claimed in claim 6, wherein the pivot pin is further provided with a blocking piece, the blocking piece is uniformly provided with a vacant slot, and the base is further provided with a photoelectric switch for detecting the vacant slot.

8. The slide drying apparatus according to claim 2, wherein a plurality of the spacers are uniformly arranged radially from the center of the wheel body along the circumferential direction of the wheel body, and the ventilation hole is provided between two adjacent spacers.

9. A blood smear making system comprising the slide drying device according to claims 1 to 7.

10. The system according to claim 9, further comprising a base plate, a slide pushing device, and a staining device, the slide pushing device and the staining device being disposed on the base plate along the slide transport direction; the setting position of the slide drying device includes any one of the following: