CN111929129A

CN111929129A - Clinical laboratory uses blood smear device

Info

Publication number: CN111929129A
Application number: CN202010734434.XA
Authority: CN
Inventors: 李娟�
Original assignee: First People's Hospital Of Guiyang (guiyang Emergency Medical Center)
Current assignee: First People's Hospital Of Guiyang (guiyang Emergency Medical Center)
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2020-11-13

Abstract

The invention discloses a blood smear device for a clinical laboratory, which comprises a mounting rack, a transmission component, a liquid storage component, a smear component and a controller, wherein the mounting rack is arranged on the front side of the device; the mounting frame comprises a base, a first U-shaped frame and a second U-shaped frame, the transmission assembly comprises a transmission motor and a transmission cam, the transmission motor is arranged on the first U-shaped frame, the transmission cam is connected through a connecting shaft, the transmission motor provides power for the connecting shaft, the liquid storage assembly comprises a movable plate and a liquid storage bottle, the movable plate is clamped on the second U-shaped frame, the liquid storage bottle is clamped on the movable plate, the smear assembly comprises an operation table, a smear scraping plate and a slide frame, the operation table is arranged on the base, the slide frame is arranged on the operation table, a slide is arranged on the slide frame, the smear scraping plate is clamped on the first U-shaped frame and is connected with the transmission cam through a swinging arm, the smear scraping plate is connected with the movable plate through a pull rod, and the controller is; the invention has reasonable structural design and obvious smear effect and is suitable for mass popularization.

Description

Clinical laboratory uses blood smear device

Technical Field

The invention relates to the technical field of medical examination equipment, in particular to a blood smear device for a clinical laboratory.

Background

Clinical laboratory is the bridge between clinical medicine and basic medicine, including clinical chemistry, clinical microbiology, clinical immunology, hematology, humoral, and transfusions; the clinical examination is to examine samples of blood, body fluid, secretion, excrement, and cast from patients by visual observation, physical, chemical, instrumental, or molecular biological methods. The smear method is used to prepare a specimen, and cells or visible components in the specimen are observed under a microscope, which is an important basis for clinical diagnosis, observation of curative effect, prognosis, and the like.

In the prior art, mostly smear is manually carried out by manpower, people need to take a massage sheet to smear blood on a glass slide, and the smear is manually carried out by manpower, which has the following defects: 1. the uniformity of the blood smear is completely determined by the proficiency of workers, and the consistency of the blood smear is poor; 2. the manual smear has large workload and low working efficiency; 3. the thickness of the smear blood film is inconsistent, which affects the accuracy of the medical examination result.

Disclosure of Invention

Aiming at the technical problems, the invention provides the blood smear device for the clinical laboratory, which has a good smear effect and can be produced in batch.

The technical scheme of the invention is as follows: a blood smear device for clinical laboratory comprises a mounting rack, a transmission component, a liquid storage component, a smear component and a controller; the mounting frame comprises a base, a first U-shaped frame and a second U-shaped frame, the first U-shaped frame and the second U-shaped frame are vertically arranged on the upper end face of the base in parallel, an opening is formed in the upper end of the second U-shaped frame, first sliding grooves are horizontally formed in the positions, close to the lower positions, of two side walls of the second U-shaped frame, and second sliding grooves are vertically formed in the positions, close to the upper positions, of the two side walls of the second U-shaped frame; the transmission assembly comprises a transmission motor and two transmission cams, the transmission motor is fixedly arranged at the top in the first U-shaped frame, an output shaft of the transmission motor is provided with a driving belt wheel, the two transmission cams are connected through a connecting shaft, the connecting shaft horizontally penetrates through two side walls of the first U-shaped frame and is in rotary clamping connection with the first U-shaped frame, a driven belt wheel is arranged on the connecting shaft, the driven belt wheel and the driving belt wheel are connected through a belt, and the two transmission cams are respectively positioned at two ends of the connecting shaft; the liquid storage assembly comprises a movable plate and a liquid storage bottle, two ends of the movable plate are movably clamped on the second sliding groove through clamping columns, the liquid storage bottle is movably clamped on the movable plate, a liquid outlet is formed in the lower end of the liquid storage bottle, a piston plate is sleeved in the liquid storage bottle, and a pressing rod is arranged on the piston plate; the smear component comprises an operation table, a smear scraper blade and a slide frame, the operation table is arranged on the base and is positioned inside the second U-shaped frame, a drawing box is connected on the operation table in a sliding clamping manner, the slide frame is movably connected on the drawing box in a clamping manner, a slide is movably connected on the slide frame in a clamping manner, the smear scraper blade corresponds to the slide in the up-and-down position, a fixed plate is arranged at the upper end of the smear scraper blade, two ends of the fixed plate are respectively connected on the first sliding groove in a clamping manner through sliding blocks, the two sliding blocks are respectively movably hinged with the two transmission cams through swing arms, and the fixed plate is movably hinged with the movable plate; the controller is electrically connected with the transmission motor.

Further, the number of the liquid storage bottles is 6-9, 6-9 liquid storage bottles are arranged on the movable plate in parallel and are provided with scale marks, the pressing rods on the 6-9 liquid storage bottles are connected through the connecting plate, the movable plate is fixedly provided with an adjusting frame, the adjusting frame is in threaded connection with an adjusting screw rod, the adjusting screw rod is in rotatable clamping connection with the upper end face of the connecting plate, the number of the smear scraping plates and the number of the glass slides are consistent with the number of the liquid storage bottles, and by arranging 6-9 liquid storage bottles, batch smearing operation can be simultaneously performed on blood samples of different patients, the labor intensity of workers is greatly reduced, and meanwhile, the blood sample smears are enabled to be more standardized.

Further, the width of smear scraper blade is less than the width of slide, and the both sides of smear scraper blade all are provided with the movable pulley, and the movable pulley can with slide up end border joint, during the use, paint blood sample level on the slide through the smear scraper blade, set up the movable pulley and can avoid on the one hand to paint the region too big, improve the smear success rate, another reverse side can avoid smear in-process slide to remove.

Further, smear scraper blade upper end activity joint has the damping plate, and the smear scraper blade passes through inside damping plate activity joint on the fixed plate, is provided with damping spring between damping plate and the fixed plate, is favorable to smear scraper blade and the direct laminating degree of slide through setting up damping plate and damping spring, also is convenient for change the smear scraper blade simultaneously, improves work efficiency.

Further, on the slide frame, be provided with the baffle between two adjacent slides, can effectively avoid infecting each other between the smear sample through setting up the baffle, provide the advantage for medical science inspection.

Further, the joints of the movable plate and the second sliding groove as well as the joints of the fixed plate and the first sliding groove are provided with rolling bearings, so that the abrasion between the connecting pieces can be reduced, the noise generated in the running process of the device can be reduced, and the practicability of the device is improved.

The working principle of the invention is as follows: when the blood sample rack is used, different types of blood samples are respectively added into the liquid storage bottles, the slides are placed on the slide rack, the slide rack is placed in the drawing box, and the drawing box is horizontally placed on the operating table and corresponds to the upper position and the lower position of the liquid storage assembly; then, an external power supply supplies power to the transmission motor, and meanwhile, the controller controls the transmission motor to rotate every time until the swing arm is in a horizontal state and the pull rod stops when in an inclined state; at this moment, pull rod pulling fly leaf is in the second sliding tray bottommost, through rotatory accommodate the lead screw for the connecting plate promotes each and presses depression bar and piston plate, makes the blood in each stock solution bottle drip on the slide that corresponds separately, then starts driving motor, and driving motor passes through the belt and drives the rotatory a week of drive cam and stop, and at this in-process, the swing arm promotes the fixed plate once at first sliding tray internal reciprocating motion, utilizes the smear scraper blade to carry out the smear operation to the blood sample on the slide.

Compared with the prior art, the invention has the beneficial effects that: the smear scraper has reasonable structural design, and smear operation is performed on the blood sample by utilizing the smear scraper which moves back and forth, so that the consistency and the reliability of the smear effect are improved, and the phenomenon of uneven smear caused by the proficiency of workers in the manual smear process is avoided; meanwhile, the invention can simultaneously smear a plurality of blood samples, greatly improves the working efficiency, and can accurately control the dropping amount of the blood samples under the action of the scale marks on the lead screw and the liquid storage bottle, thereby ensuring the quality of the blood smear and providing reliable guarantee for clinical medical examination.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a left side view of the present invention;

FIG. 4 is a right side view of the present invention;

FIG. 5 is a schematic view of the attachment of the slide rack to the drawer cassette of the present invention;

FIG. 6 is an enlarged schematic view at A of FIG. 4 of the present invention;

FIG. 7 is an enlarged schematic view of the invention at B of FIG. 4;

wherein, 1-mounting rack, 10-base, 11-first U-shaped rack, 12-second U-shaped rack, 120-opening, 121-first sliding groove, 122-second sliding groove, 2-transmission component, 20-transmission motor, 200-driving pulley, 21-transmission cam, 210-connecting shaft, 211-driven pulley, 212-belt, 3-liquid storage component, 30-movable plate, 31-liquid storage bottle, 310-piston plate, 311-pressing rod, 32-connecting plate, 33-adjusting rack, 330-adjusting screw rod, 4-smear component, 40-operating platform, 400-drawing box, 41-smear scraper, 410-fixing plate, 411-swinging arm, 412-pulling rod, 413-sliding wheel, 414-damping plate, 415-damping spring, 42-slide rack, 420-slide, 421-clapboard.

Detailed Description

Example (b): fig. 1 shows a blood smear device for clinical laboratory, which comprises a mounting rack 1, a transmission assembly 2, a liquid storage assembly 3, a smear assembly 4 and a controller; the mounting frame 1 comprises a base 10, a first U-shaped frame 11 and a second U-shaped frame 12, the first U-shaped frame 11 and the second U-shaped frame 12 are vertically arranged on the upper end face of the base 10 in parallel, an opening 120 is formed in the upper end of the second U-shaped frame 12, first sliding grooves 121 are horizontally arranged at the positions, close to the lower parts, of two side walls of the second U-shaped frame 12, and second sliding grooves 122 are vertically arranged at the positions, close to the upper parts, of the two side walls of the second U-shaped frame 12;

as shown in fig. 1 and 2, the transmission assembly 2 includes a transmission motor 20 and transmission cams 21, the transmission motor 20 is powered by an external power source and is a commercially available product, the transmission motor 20 is fixedly disposed at the top of the inside of the first U-shaped frame 11, an output shaft of the transmission motor 20 is provided with two driving pulleys 200, the two transmission cams 21 are connected by a connecting shaft 210, the connecting shaft 210 horizontally penetrates through two side walls of the first U-shaped frame 11 and is rotatably clamped therewith, the connecting shaft 210 is provided with a driven pulley 211, the driven pulley 211 and the driving pulley 200 are connected by a belt 212, and the two transmission cams 21 are respectively located at two ends of the connecting shaft 210;

as shown in fig. 1, 3 and 4, the liquid storage assembly 3 includes a movable plate 30 and a liquid storage bottle 31, two ends of the movable plate 30 are movably clamped on the second sliding groove 122 through clamping posts, the liquid storage bottle 31 is movably clamped on the movable plate 30, a liquid outlet is arranged at a lower end of the liquid storage bottle 31, a piston plate 310 is sleeved inside the liquid storage bottle 31, and a pressing rod 311 is arranged on the piston plate 310; 7 liquid storage bottles 31 are arranged, 7 liquid storage bottles 31 are arranged on the movable plate 30 in parallel and are provided with scale marks, pressing rods 311 on the 7 liquid storage bottles 31 are connected through a connecting plate 32, an adjusting frame 33 is fixedly arranged on the movable plate 30, an adjusting screw rod 330 is connected onto the adjusting frame 33 in a threaded manner, the adjusting screw rod 330 is rotatably clamped with the upper end face of the connecting plate 32, the number of smear scraping plates 41 and the number of slides 420 are consistent with that of the liquid storage bottles 31, and batch smearing operation can be simultaneously performed on blood samples of different patients by arranging the 7 liquid storage bottles 31, so that the labor intensity of workers is greatly reduced, and meanwhile, the blood sample smearing is more standardized; the rolling bearing is arranged at the joint of the movable plate 30 and the second sliding groove 122, so that the abrasion among all connecting pieces can be reduced, the noise generated in the operation process of the device can be reduced, and the practicability of the device is improved;

as shown in fig. 1, 5, 6 and 7, the smear component 4 includes an operation table 40, a smear scraper 41 and a slide frame 42, the operation table 40 is disposed on the base 10 and located inside the second U-shaped frame 12, the operation table 40 is slidably connected with a drawing box 400 in a clamping manner, the slide frame 42 is movably connected with the drawing box 400 in a clamping manner, the slide frame 42 is movably connected with a slide 420 in a clamping manner, the smear scraper 41 corresponds to the slide 420 in the vertical direction, a fixing plate 410 is disposed at the upper end of the smear scraper 41, two ends of the fixing plate 410 are respectively connected with the first sliding groove 121 in a clamping manner through sliding blocks, two sliding blocks are respectively movably hinged with the two transmission cams 21 through a swing arm 411, and the fixing plate 410 is movably hinged with the movable plate 30 through a pull rod 412; the controller is a product sold in the market and is electrically connected with the transmission motor 20; the width of the smear scraper 41 is smaller than that of the slide 420, the sliding wheels 413 are arranged on both sides of the smear scraper 41, the sliding wheels 413 can be clamped with the edge of the upper end face of the slide 420, when the smear scraper 41 is used, a blood sample is horizontally smeared on the slide 420, the sliding wheels 413 are arranged to prevent the smearing area from being too large, the smearing success rate is improved, and the slide 420 can be prevented from moving in the smearing process on the other reverse side; the upper end of the smear scraper 41 is movably connected with a damping plate 414 in a clamping manner, the smear scraper 41 is movably connected with the inner part of the fixed plate 410 in a clamping manner through the damping plate 414, a damping spring 415 is arranged between the damping plate 414 and the fixed plate 410, the arrangement of the damping plate 414 and the damping spring 415 is favorable for the direct fit degree of the smear scraper 41 and the slide 420, meanwhile, the smear scraper 41 is convenient to replace, and the working efficiency is improved; a partition board 421 is arranged between two adjacent slides 420 on the slide rack 42, and mutual infection among smear samples can be effectively avoided by arranging the partition board 421, so that favorable conditions are provided for medical examination; the fixed plate 410 and the first sliding groove 121 are provided with rolling bearings, so that abrasion between the connecting pieces can be reduced, noise generated in the operation process of the device can be reduced, and the practicability of the device is improved.

The working principle of the invention is as follows: when the blood sample collection device is used, different types of blood samples are respectively added into 7 liquid storage bottles 31, each slide 420 is placed on the slide rack 42, the slide rack 42 is placed in the pull box 400, the pull box 400 is horizontally placed on the operating platform 40 and corresponds to the upper position and the lower position of the liquid storage assembly 3; then, the transmission motor 20 is powered by an external power supply, and the controller controls the transmission motor 20 to rotate each time until the swing arm 411 is in a horizontal state and the pull rod 412 is in an inclined state; at this time, the pull rod 412 pulls the movable plate 30 to be located at the bottommost portion of the second sliding groove 122, the connecting plate 32 pushes each pressing rod 311 and the piston plate 310 by rotating the adjusting screw rod 330, so that the blood in each liquid storage bottle 31 drops on the corresponding slide 420, then the driving motor 20 is started, the driving motor 20 drives the driving cam 21 to rotate for one circle through the belt 212, and then the driving cam is stopped, in this process, the swing arm 411 pushes the fixing plate 410 to reciprocate once in the first sliding groove 121, and the smear scraper 41 is used to smear the blood sample on the slide 420.

Claims

1. A blood smear device for clinical laboratory is characterized by comprising a mounting rack (1), a transmission component (2), a liquid storage component (3), a smear component (4) and a controller; the mounting frame (1) comprises a base (10), a first U-shaped frame (11) and a second U-shaped frame (12), the first U-shaped frame (11) and the second U-shaped frame (12) are vertically arranged on the upper end face of the base (10) in parallel, an opening (120) is formed in the upper end of the second U-shaped frame (12), first sliding grooves (121) are horizontally formed in the positions, close to the lower parts, of two side walls of the second U-shaped frame (12), and second sliding grooves (122) are vertically formed in the positions, close to the upper parts, of the two side walls of the second U-shaped frame (12); the transmission assembly (2) comprises a transmission motor (20) and two transmission cams (21), the transmission motor (20) is fixedly arranged at the top of the inside of the first U-shaped frame (11), a driving belt wheel (200) is arranged on an output shaft of the transmission motor (20), the two transmission cams (21) are connected through a connecting shaft (210), the connecting shaft (210) horizontally penetrates through two side walls of the first U-shaped frame (11) and is in rotary clamping connection with the first U-shaped frame, a driven belt wheel (211) is arranged on the connecting shaft (210), the driven belt wheel (211) is connected with the driving belt wheel (200) through a belt (212), and the two transmission cams (21) are respectively positioned at two ends of the connecting shaft (210); the liquid storage assembly (3) comprises a movable plate (30) and a liquid storage bottle (31), two ends of the movable plate (30) are movably clamped on the second sliding groove (122) through clamping columns, the liquid storage bottle (31) is movably clamped on the movable plate (30), a liquid outlet is formed in the lower end of the liquid storage bottle (31), a piston plate (310) is sleeved inside the liquid storage bottle (31), and a pressing rod (311) is arranged on the piston plate (310); the smear component (4) comprises an operation table (40), a smear scraper blade (41) and a slide frame (42), wherein the operation table (40) is arranged on the base (10) and is positioned inside the second U-shaped frame (12), the operation table (40) is slidably clamped with a drawing box (400), the slide frame (42) is movably clamped on the drawing box (400), the slide frame (42) is movably clamped with a slide (420), the smear scraper blade (41) corresponds to the slide (420) in the up-down position, a fixing plate (410) is arranged at the upper end of the smear scraper blade (41), two ends of the fixing plate (410) are respectively clamped on the first sliding groove (121) through sliding blocks, the two sliding blocks are respectively movably hinged with the two transmission cams (21) through swing arms (411), and the fixing plate (410) is movably hinged with the movable plate (30) through pull rods (412); the controller is electrically connected with the transmission motor (20).

2. The blood smear device for clinical laboratory according to claim 1, wherein the number of the liquid storage bottles (31) is 6-9, 6-9 liquid storage bottles (31) are arranged on the movable plate (30) side by side, the pressing rods (311) on 6-9 liquid storage bottles (31) are connected through the connecting plate (32), the movable plate (30) is fixedly provided with the adjusting frame (33), the adjusting frame (33) is in threaded connection with the adjusting screw rod (330), the adjusting screw rod (330) is in rotatable clamping connection with the upper end face of the connecting plate (32), and the number of the smear scrapers (41) and the number of the slides (420) are corresponding to the number of the liquid storage bottles (31).

3. The clinical laboratory blood smear device according to claim 1, wherein the width of the smear scraper (41) is less than the width of the slide (420), and sliding wheels (413) are arranged on both sides of the smear scraper (41), and the sliding wheels (413) can be clamped with the edge of the upper end face of the slide (420).

4. The blood smear device for clinical laboratory according to claim 1, wherein the upper end of the smear scraper (41) is movably clamped with a damping plate (414), the smear scraper (41) is movably clamped on the inner part of the fixing plate (410) through the damping plate (414), and a damping spring (415) is arranged between the damping plate (414) and the fixing plate (410).

5. The clinical laboratory blood smear device according to claim 1, wherein a partition plate (421) is provided between two adjacent slides (420) on the slide rack (42).

6. The clinical laboratory blood smear device according to claim 1, wherein the moving plate (30) and the second sliding groove (122), and the fixed plate (410) and the first sliding groove (121) are provided with rolling bearings.

7. A clinical laboratory blood smear device according to claim 1 wherein a partition plate (421) is provided between adjacent two of the slides (420).