CN112156208B - Blood sample processing device - Google Patents
Blood sample processing device Download PDFInfo
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- CN112156208B CN112156208B CN202010864553.7A CN202010864553A CN112156208B CN 112156208 B CN112156208 B CN 112156208B CN 202010864553 A CN202010864553 A CN 202010864553A CN 112156208 B CN112156208 B CN 112156208B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L11/00—Methods specially adapted for refuse
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/24—Apparatus using programmed or automatic operation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Investigating Or Analysing Biological Materials (AREA)
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Abstract
A blood sample processing device, which effectively solves the problems that the inactivation of the blood sample wastes time and labor and the quantitative injection of solution is inconvenient; the quantitative liquid storage device comprises a box body, wherein an up-and-down axial liquid storage barrel is arranged at the upper end of the box body, a quantitative barrel positioned right below the liquid storage barrel is arranged in the box body, a sliding frame is connected in the box body in a sliding manner, a waist-shaped inner gear is connected in the sliding frame in a sliding manner, a main gear which is meshed with the inner gear and can rotate left and right is arranged in the inner gear, a U-shaped block with a leftward opening is arranged at the left end of the sliding frame, the quantitative barrel is positioned in the U-shaped block, the upper end face and the lower end face of the quantitative barrel are respectively contacted with the inner surface of the U-shaped block, liquid leakage holes which can be communicated with the quantitative barrel are respectively formed in the upper side and the lower side of the U-shaped block, the two liquid leakage holes are not collinear, a telescopic pipe positioned right below the quantitative barrel is arranged in the box body, a needle head capable of moving up and down is arranged at the lower end of the telescopic pipe, a rotatable synchronous belt is arranged in the front of the box body in a left-and-right direction and rotatable synchronous belt, and a plurality of trays uniformly distributed along the outer surface of the synchronous belt are arranged on the synchronous belt; the invention has novel conception, ingenious structure, convenient operation and strong practicability.
Description
Technical Field
The invention relates to the technical field of medical auxiliary instruments, in particular to a blood sample processing device.
Background
The method comprises the steps of taking out a blood sample to be discarded, opening a sealing film of a blood sample test tube, pouring 1ml of peroxyacetic acid solution with the concentration of 0.2% into the blood sample test tube, covering the sealing film, and throwing the blood sample test tube into a medical garbage bag after the peroxyacetic acid solution and the blood sample act for 30 minutes.
However, in the inactivation process of the blood sample, the sealing film of each blood sample test tube needs to be detached, and the sealing film needs to be mounted after the peracetic acid solution is injected, so that the process is very complicated. In addition, when the peroxyacetic acid solution is injected, a syringe is usually used for injecting, and the injection amount cannot be controlled, so that waste is caused when the injection amount is too large, and the optimal sterilization effect cannot be achieved when the injection amount is too small. The whole blood sample inactivation process is time-consuming and labor-consuming, and is low in efficiency, so that the workload of medical staff is increased.
Disclosure of Invention
In view of the above situation, the present invention provides a blood sample processing device, which effectively solves the problems of time and labor consuming blood sample inactivation and inconvenience for quantitative solution injection.
The quantitative barrel is positioned in the box body, a sliding frame is connected in the box body in a sliding manner, a waist-shaped inner gear is connected in the sliding frame in a sliding manner, a main gear which is meshed with the inner gear and can rotate left and right is arranged in the inner gear, a U-shaped block with a left opening is arranged at the left end of the sliding frame, the quantitative barrel is positioned in the U-shaped block, the upper end surface and the lower end surface of the quantitative barrel are respectively contacted with the inner surface of the U-shaped block, liquid leaking holes which can be communicated with the quantitative barrel are respectively arranged at the upper side and the lower side of the U-shaped block, the two liquid leaking holes are not collinear, a telescopic pipe positioned under the quantitative barrel is arranged in the box body, a needle head which can move up and down is arranged at the lower end of the telescopic pipe, a left-right rotatable synchronous belt is arranged in front of the box body, and a plurality of trays are uniformly distributed along the outer surface of the synchronous belt are arranged on the synchronous belt;
when the main gear rotates and is meshed with the left side of the inner gear, the synchronous belt rotates and drives the trays to move by the distance equal to the distance between two adjacent trays, the lower end of the quantitative barrel is shielded, and the upper end of the quantitative barrel is communicated with the liquid storage barrel; the main gear continues to rotate, the synchronous belt stops moving, when the main gear is meshed with the left lower side of the internal gear, the U-shaped block moves leftwards, the needle head moves downwards, when the main gear is meshed with the right lower side of the internal gear, the needle head penetrates into a blood sample test tube and stops moving, and the U-shaped block continues to move leftwards; when the main gear is meshed with the right side of the internal gear, the U-shaped block stops moving, the upper end of the quantitative barrel is shielded, the lower end of the quantitative barrel is communicated with the needle, when the main gear is meshed with the right upper side of the internal gear, the U-shaped block moves rightwards, the needle moves upwards and moves out of the blood sample test tube, when the main gear is meshed with the left upper side of the internal gear, the needle stops moving, and the U-shaped block continues moving rightwards and restores to an initial state;
a rotating shaft capable of rotating left and right is arranged in the box body, a main synchronizing wheel is coaxially arranged on the rotating shaft, an auxiliary synchronizing wheel is coaxially arranged behind the main gear, the main synchronizing wheel is connected with the auxiliary synchronizing wheel through a conveying belt, and the diameter of the main synchronizing wheel is larger than that of the auxiliary synchronizing wheel;
a fixed plate in the left and right directions is tightly connected in a sliding manner in the box body, the fixed plate is fixedly connected with the needle head, a waist-shaped ring in the up and down direction is arranged at the right end of the fixed plate, teeth are respectively arranged at the left side and the right side in the waist-shaped ring, an incomplete gear which can rotate left and right and can be meshed with the teeth is arranged in the waist-shaped ring, a secondary gear is coaxially arranged behind the incomplete gear, a rotating disc is coaxially arranged on the rotating shaft, and teeth which can be meshed with the secondary gear are respectively arranged at the left side and the right side of the rotating disc;
the left side and the right side of the synchronous belt are respectively provided with a belt wheel in the front-back axial direction, the belt wheel on the left side is rotatably connected with the box body, the belt wheel on the right side is coaxially provided with a transmission shaft, the rear end of the transmission shaft penetrates through the box body, the rear end of the transmission shaft is provided with a grooved wheel, and the transmission shaft is coaxially provided with a driving plate capable of being matched with the grooved wheel;
the front end of the box body is provided with two front and back opposite waist-shaped fixing rings, the synchronous belt is positioned between the two fixing rings, the left end and the right end of each fixing ring are respectively inclined towards one side far away from the synchronous belt, and the opposite ends of the two fixing rings are respectively connected with a plurality of clamping blocks which are in one-to-one correspondence with the trays in a sliding manner;
the lower end of the clamping block is hinged with a connecting cylinder with a downward opening, the front side and the rear side of the synchronous belt are respectively hinged with a plurality of connecting rods in one-to-one correspondence with the trays, and the free ends of the connecting rods are inserted into the connecting cylinders on the corresponding sides.
The invention has the beneficial effects that: the invention has novel conception, ingenious structure, convenient operation and strong practicability, the grooved wheels, the driving plates, the rotating disc, the auxiliary gears, the main synchronizing wheel and the auxiliary synchronizing wheel are arranged, the mutual connection among all the movements is not influenced, the circulation of moving a blood sample test tube, puncturing the needle head, injecting solution into the blood sample test tube by the quantitative barrel, lifting the needle head, injecting solution into the quantitative barrel by the liquid storage barrel and moving the blood sample test tube is realized by only using a motor as a power source, the mechanical quantitative liquid injection is realized, the structure is simple and ingenious, medical personnel only need to complete the operations of injecting liquid into the liquid storage barrel, starting the motor, placing the blood sample test tube and taking out the blood sample test tube, the time and the labor are saved, the workload of the medical personnel is reduced, the working efficiency of the medical personnel is improved, the arrangement of the quantitative barrel is ensured that the amount of the solution injected into each blood sample test tube is equal, the accurate quantitative injection is realized, the waste of the solution is reduced, and the inactivation of the blood sample is ensured to be carried out smoothly.
Drawings
Fig. 1 is an isometric view of the present invention.
FIG. 2 is a front elevational perspective view, in full section, of the present invention.
FIG. 3 is a right isometric view in stepped section of the present invention.
Figure 4 is a right isometric view in partial cutaway of the present invention.
Fig. 5 is an enlarged view of a in fig. 2 of the present invention.
Fig. 6 is an enlarged view of B of fig. 4 according to the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the device comprises a box body 1, wherein a liquid storage barrel 2 which is axial up and down is arranged at the upper end of the box body 1, a quantitative barrel 3 which is positioned right below the liquid storage barrel 2 is arranged in the box body 1, a sliding frame 4 is connected in the box body 1 in a sliding manner, a kidney-shaped inner gear 5 is connected in the sliding frame 4 in a sliding manner, a main gear 6 which is meshed with the inner gear 5 and can rotate left and right is arranged in the inner gear 5, a U-shaped block 7 with a leftward opening is arranged at the left end of the sliding frame 4, the quantitative barrel 3 is positioned in the U-shaped block 7, the upper end surface and the lower end surface of the quantitative barrel are respectively contacted with the inner surface of the U-shaped block 7, liquid leakage holes 8 which can be communicated with the quantitative barrel 3 are respectively arranged at the upper side and the lower side of the U-shaped block 7, two liquid leakage holes 8 are not collinear, a telescopic pipe 9 which is positioned right below the quantitative barrel 3 is arranged in the box body 1, a needle head 10 which can move up and down is arranged at the lower end of the telescopic pipe 9, a synchronous belt 11 which is arranged in the left and right direction and can rotate is arranged in front of the box body 1, and a plurality of the synchronous belt 11, and a plurality of which trays 12 are uniformly distributed along the outer surface are arranged on the synchronous belt 11;
when the main gear 6 rotates and is meshed with the left side of the inner gear 5, the synchronous belt 11 rotates and drives the trays 12 to move by the same distance as the distance between two adjacent trays 12, the lower end of the quantitative barrel 3 is shielded, and the upper end of the quantitative barrel is communicated with the liquid storage barrel 2; the main gear 6 continues to rotate, the synchronous belt 11 stops moving, when the main gear 6 is meshed with the left lower side of the internal gear 5, the U-shaped block 7 moves leftwards, the needle 10 moves downwards, when the main gear 6 is meshed with the right lower side of the internal gear 5, the needle 10 penetrates into a blood sample test tube and stops moving, and the U-shaped block 7 continues to move leftwards; when the main gear 6 is meshed with the right side of the internal gear 5, the U-shaped block 7 stops moving, the upper end of the quantitative barrel 3 is shielded, the lower end of the quantitative barrel is communicated with the needle 10, when the main gear 6 is meshed with the right upper side of the internal gear 5, the U-shaped block 7 moves rightwards, the needle 10 moves upwards and moves out of a blood sample test tube, when the main gear 6 is meshed with the left upper side of the internal gear 5, the needle 10 stops moving, and the U-shaped block 7 continues moving rightwards and restores to the initial state;
a rotating shaft 13 capable of rotating left and right is arranged in the box body 1, a main synchronizing wheel 14 is coaxially arranged on the rotating shaft 13, an auxiliary synchronizing wheel 15 is coaxially arranged behind the main gear 6, the main synchronizing wheel 14 is connected with the auxiliary synchronizing wheel 15 through a conveying belt 16, and the diameter of the main synchronizing wheel 14 is larger than that of the auxiliary synchronizing wheel 15;
a left-right fixed plate 17 is tightly connected in the box body 1 in a sliding manner, the fixed plate 17 is fixedly connected with the needle 10, a vertical waist-shaped ring 18 is arranged at the right end of the fixed plate 17, teeth are respectively arranged at the left side and the right side in the waist-shaped ring 18, an incomplete gear 20 which can rotate left and right and can be meshed with the teeth is arranged in the waist-shaped ring 18, an auxiliary gear 21 is coaxially arranged behind the incomplete gear 20, a rotating disc 22 is coaxially arranged on the rotating shaft 13, and teeth which can be meshed with the auxiliary gear 21 are respectively arranged at the left side and the right side of the rotating disc 22;
the left side and the right side in the synchronous belt 11 are respectively provided with a belt wheel 23 in the front-back axial direction, the belt wheel 23 on the left side is rotatably connected with the box body 1, the belt wheel 23 on the right side is coaxially provided with a transmission shaft 24 the rear end of which penetrates through the box body 1, the rear end of the transmission shaft 24 is provided with a grooved wheel 25, and the rotating shaft 13 is coaxially provided with a driving plate 26 which can be matched with the grooved wheel 25;
the front end of the box body 1 is provided with two front and back opposite waist-shaped fixing rings 27, the synchronous belt 11 is positioned between the two fixing rings 27, the left end and the right end of each fixing ring 27 are respectively inclined towards one side far away from the synchronous belt 11, and the opposite ends of the two fixing rings 27 are respectively connected with a plurality of clamping blocks 28 in a sliding manner, wherein the clamping blocks are in one-to-one correspondence with the trays 12;
the lower end of the clamping block 28 is hinged with a connecting cylinder 29 with a downward opening, the front side and the rear side of the synchronous belt 11 are respectively hinged with a plurality of connecting rods 30 which are in one-to-one correspondence with the trays 12, and the free ends of the connecting rods 30 are inserted into the connecting cylinders 29 on the corresponding sides.
In order to facilitate the liquid in the quantitative barrel 3 to flow into the extension tube 9, the quantitative barrel 3 is provided with a through hole 31 in the vertical axial direction, and a waterproof breathable film 32 is arranged in the through hole 31.
In order to make the rotating shaft 13 rotatable, a front-back axial motor 33 is arranged in the box body 1, and the output end of the motor 33 is coaxially and fixedly connected with the rotating shaft 13.
When the quantitative liquid storage barrel is used, the capacity of the quantitative barrel 3 is set to be 1ml, the liquid storage barrel 2 is filled with peracetic acid solution with the concentration of 0.2% in an initial state, the lower end of the liquid storage barrel 2 and the upper end of the telescopic pipe 9 are respectively in close contact with the outer surface of the U-shaped block 7, the solution cannot leak, the upper-side liquid leakage hole 8 is communicated with the quantitative barrel 3, the lower-side liquid leakage hole 8 is positioned at the right side of the quantitative barrel 3 and is not communicated with the quantitative barrel 3, the main gear 6 is engaged with teeth at the left side of the internal gear 5, the incomplete gear 20 is positioned at the lower side in the waist-shaped ring 18, the waist-shaped ring 18 cannot move downwards under the action of gravity due to the close sliding connection of the fixing plate 17 and the box body 1, the teeth on the rotary plate 22 are not engaged with the auxiliary gear 21, the cylindrical pin on the driving plate 26 is positioned at the right side of the grooved wheel 25, and the outer surface of the grooved wheel 25 is in contact with the outer surface of the driving plate 26;
taking out a blood sample test tube which needs to be inactivated and is filled with a blood sample, placing the blood sample test tube on a tray 12 at the right end, wherein a certain distance exists between the right ends of two fixing rings 27, a clamping block 28 cannot clamp and fix the blood sample test tube, starting a motor 33, the motor 33 drives a rotating shaft 13 to rotate clockwise, a cylindrical pin on a driving plate 26 is gradually inserted into a grooved pulley 25 and pushes the grooved pulley 25 to rotate for a certain angle, the grooved pulley 25 drives a belt pulley 23 at the right side to rotate anticlockwise through a transmission shaft 24, the blood sample test tube moves leftwards for the distance between the two trays 12, the clamping block 28 synchronously moves leftwards for the same distance, at the moment, the clamping block 28 approaches and clamps the blood sample test tube, the blood sample test tube is fixed on a synchronous belt 11, meanwhile, a certain fixed blood sample test tube moves to the right below a needle head 10, a main synchronous wheel 14 drives an auxiliary synchronous wheel 15 to rotate clockwise, a main gear 6 synchronously rotates and drives an inner gear 5 to move upwards in a sliding frame 4, teeth on the rotating disc 22 are not meshed with the pinion 21, the incomplete gear 20 does not rotate, and the needle 10 does not move;
the motor 33 continues to rotate, the cylindrical pin on the driving plate 26 is far away from the grooved pulley 25, the synchronous belt 11 stops rotating, teeth on the rotary disc 22 are meshed with the auxiliary gear 21, the auxiliary gear 21 rotates, the incomplete gear 20 synchronously rotates and drives the waist-shaped ring 18 to move downwards, the fixing plate 17 drives the needle head 10 and the lower end of the telescopic pipe 9 to move downwards, the telescopic pipe 9 extends, the needle head 10 gradually penetrates into a blood sample test tube, meanwhile, the main synchronous wheel 14 drives the auxiliary synchronous wheel 15 to rotate, the main gear 6 is meshed with the teeth on the left lower side of the internal gear 5 and drives the internal gear 5 to move leftwards, the sliding frame 4 drives the U-shaped block 7 to move rightwards, the liquid leakage hole 8 on the upper side is gradually far away from the quantitative barrel 3, and the liquid leakage hole 8 on the lower side is gradually close to the quantitative barrel 3;
after the motor 33 continues to rotate for a certain angle, the synchronous belt 11 keeps a stop state, teeth on the turntable 22 are not meshed with the pinion 21, the waist-shaped ring 18 stops moving downwards, the needle 10 penetrates into a blood sample test tube, the main gear 6 is meshed with the lower right side of the internal gear 5, and the internal gear 5 continues to drive the U-shaped block 7 to move leftwards;
after the motor 33 continues to rotate for a certain angle, the synchronous belt 11 keeps a stop state, the main gear 6 is meshed with the right side of the inner gear 5, the inner gear 5 moves downwards in the sliding frame 4, teeth on the rotary disc 22 are not meshed with the pinion 21, the waist-shaped ring 18 and the needle 10 keep the stop state, the U-shaped block 7 stops moving leftwards, the liquid leakage hole 8 on the lower side is communicated with the quantitative barrel 3 at the moment, the upper end of the quantitative barrel 3 is shielded by the U-shaped block 7, liquid in the liquid storage barrel 2 cannot flow into the quantitative barrel 3, liquid in the quantitative barrel 3 flows into the telescopic pipe 9 and flows into a blood sample test tube through the needle 10, and due to the existence of the waterproof breathable film 32, the pressure in the quantitative barrel 3 keeps constant, so that the solution can completely flow into the blood sample test tube;
after the motor 33 continues to rotate for a certain angle, the synchronous belt 11 keeps a stop state, all the solution in the quantitative barrel 3 flows into the blood sample test tube, the teeth on the rotary disc 22 are meshed with the pinion 21, the pinion 21 rotates, the incomplete gear 20 rotates and drives the waist-shaped ring 18 to move upwards, the fixing plate 17 drives the needle 10 to move upwards, the needle 10 is moved out of the blood sample test tube, meanwhile, the main gear 6 is meshed with the upper right side of the internal gear 5 and drives the internal gear 5 to move rightwards, and the sliding frame 4 drives the U-shaped block 7 to move rightwards;
after the motor 33 continues to rotate for a certain angle, the synchronous belt 11 keeps a stop state, teeth on the turntable 22 are not meshed with the pinion 21, the waist-shaped ring 18 stops moving upwards, the needle 10 returns to an initial state, the main gear 6 is meshed with the upper left side of the internal gear 5, and the internal gear 5 continues to drive the U-shaped block 7 to move rightwards;
after the motor 33 continues to rotate for a certain angle, the cylindrical pin on the drive plate 26 is inserted into the grooved pulley 25 again, the synchronous belt 11 moves again, the teeth on the rotary table 22 are not meshed with the pinion 21, the waist-shaped ring 18 and the needle 10 are kept in a stop state, the main gear 6 is meshed with the left side of the internal gear 5, the main gear 6 drives the internal gear 5 to move upwards in the sliding frame 4, the U-shaped block 7 stops moving rightwards, the upper liquid leakage hole 8 is communicated with the quantitative barrel 3 at the moment, the lower end of the quantitative barrel 3 is shielded by the U-shaped block 7, liquid in the liquid storage barrel 2 flows into the quantitative barrel 3, the liquid in the quantitative barrel 3 cannot flow into the telescopic pipe 9, and due to the existence of the waterproof breathable film 32, the pressure in the quantitative barrel 3 is kept constant, and the solution can conveniently flow into the quantitative barrel 3;
so the circulation is reciprocal, and new blood specimen test tube is put into from the right side and is fixed on tray 12 by pressing from both sides tight piece 28, and the blood specimen test tube after the injection peroxyacetic acid solution is released fixedly and is taken off from the left side, and medical personnel only need put into the blood specimen test tube and take out the blood specimen test tube can.
The motor 33 of the present invention is conventional and its structure and connection will not be described in detail herein.
The invention has novel conception, ingenious structure, convenient operation and strong practicability, the grooved wheels, the driving plates, the rotating disc, the auxiliary gears, the main synchronizing wheel and the auxiliary synchronizing wheel are arranged, the mutual connection among all the movements is not influenced, the circulation of moving a blood sample test tube, puncturing the needle head, injecting solution into the blood sample test tube by the quantitative barrel, lifting the needle head, injecting solution into the quantitative barrel by the liquid storage barrel and moving the blood sample test tube is realized by only using a motor as a power source, the mechanical quantitative liquid injection is realized, the structure is simple and ingenious, medical personnel only need to complete the operations of injecting liquid into the liquid storage barrel, starting the motor, placing the blood sample test tube and taking out the blood sample test tube, the time and the labor are saved, the workload of the medical personnel is reduced, the working efficiency of the medical personnel is improved, the arrangement of the quantitative barrel is ensured that the amount of the solution injected into each blood sample test tube is equal, the accurate quantitative injection is realized, the waste of the solution is reduced, and the inactivation of the blood sample is ensured to be carried out smoothly.
Therefore, the blood sample processing device provided by the invention can effectively solve the problems that blood sample inactivation wastes time and labor and solution is inconvenient to quantitatively inject, has a simple structure and operation, is convenient to use, and improves the working efficiency of medical personnel.
Claims (4)
1. A blood sample treatment device comprises a box body (1) and is characterized in that an upper end of the box body (1) is provided with a liquid storage barrel (2) which is axial up and down, a quantitative barrel (3) which is positioned under the liquid storage barrel (2) is arranged in the box body (1), a sliding frame (4) is connected in the box body (1) in a sliding way, a waist-shaped internal gear (5) is connected in the sliding frame (4) in a sliding way, a main gear (6) which is meshed with the internal gear (5) and can rotate left and right is arranged in the internal gear (5), the left end of the sliding frame (4) is provided with a U-shaped block (7) with a leftward opening, the quantitative barrel (3) is positioned in the U-shaped block (7), the upper end surface and the lower end surface of the quantitative barrel are respectively contacted with the inner surface of the U-shaped block (7), the upper side and the lower side of the U-shaped block (7) are respectively provided with a liquid leakage hole (8) which can be communicated with the quantitative barrel (3), the two liquid leakage holes (8) are not collinear, an extension tube (9) which is positioned under the quantitative barrel (3) is arranged in the box body (1), a needle head (10) capable of moving up and down is arranged at the lower end of the telescopic pipe (9), a synchronous belt (11) which is rotatable in the left-right direction is arranged in front of the box body (1), and a plurality of trays (12) which are uniformly distributed along the outer surface of the synchronous belt (11) are arranged on the synchronous belt;
when the main gear (6) rotates and is meshed with the left side of the inner gear (5), the synchronous belt (11) rotates and drives the trays (12) to move by the same distance as the distance between two adjacent trays (12), the lower end of the quantitative barrel (3) is shielded, and the upper end of the quantitative barrel is communicated with the liquid storage barrel (2); the main gear (6) continues to rotate, the synchronous belt (11) stops moving, when the main gear (6) is meshed with the left lower side of the internal gear (5), the U-shaped block (7) moves leftwards, the needle head (10) moves downwards, when the main gear (6) is meshed with the right lower side of the internal gear (5), the needle head (10) pierces into a blood sample test tube and stops moving, and the U-shaped block (7) continues to move leftwards; when the main gear (6) is meshed with the right side of the internal gear (5), the U-shaped block (7) stops moving, the upper end of the quantitative barrel (3) is shielded, and the lower end of the quantitative barrel is communicated with the needle (10), when the main gear (6) is meshed with the right upper side of the internal gear (5), the U-shaped block (7) moves rightwards, the needle (10) moves upwards and is removed from a blood sample test tube, when the main gear (6) is meshed with the left upper side of the internal gear (5), the needle (10) stops moving, and the U-shaped block (7) continues moving rightwards and restores to the initial state;
a rotating shaft (13) capable of rotating left and right is arranged in the box body (1), a main synchronizing wheel (14) is coaxially arranged on the rotating shaft (13), an auxiliary synchronizing wheel (15) is coaxially arranged behind the main gear (6), the main synchronizing wheel (14) is connected with the auxiliary synchronizing wheel (15) through a conveying belt (16), and the diameter of the main synchronizing wheel (14) is larger than that of the auxiliary synchronizing wheel (15);
a fixed plate (17) in the left and right directions is tightly connected in the box body (1) in a sliding manner, the fixed plate (17) is fixedly connected with the needle head (10), a waist-shaped ring (18) in the up and down directions is arranged at the right end of the fixed plate (17), teeth are respectively arranged at the left side and the right side in the waist-shaped ring (18), an incomplete gear (20) which can rotate left and right and can be meshed with the teeth is arranged in the waist-shaped ring (18), an auxiliary gear (21) is coaxially arranged behind the incomplete gear (20), a rotating disc (22) is coaxially arranged on the rotating shaft (13), and teeth which can be meshed with the auxiliary gear (21) are respectively arranged at the left side and the right side of the rotating disc (22);
the front end of the box body (1) is provided with two front and back opposite waist-shaped fixing rings (27), the synchronous belt (11) is positioned between the two fixing rings (27), the left end and the right end of each fixing ring (27) are respectively inclined towards one side far away from the synchronous belt (11), and the opposite ends of the two fixing rings (27) are respectively connected with a plurality of clamping blocks (28) which are in one-to-one correspondence with the trays (12) in a sliding manner;
the lower end of the clamping block (28) is hinged with a connecting cylinder (29) with a downward opening, the front side and the rear side of the synchronous belt (11) are respectively hinged with a plurality of connecting rods (30) which are in one-to-one correspondence with the trays (12), and the free ends of the connecting rods (30) are inserted into the connecting cylinders (29) on the corresponding sides.
2. The blood sample processing device according to claim 1, wherein the synchronous belt (11) is provided with front and rear axial pulleys (23) on the left and right sides, the left pulley (23) is rotatably connected with the case (1), the right pulley (23) is coaxially provided with a transmission shaft (24) having a rear end penetrating through the case (1), the rear end of the transmission shaft (24) is provided with a grooved pulley (25), and the rotary shaft (13) is coaxially provided with a driving plate (26) capable of being matched with the grooved pulley (25).
3. A device as claimed in claim 1, wherein said volumetric barrel (3) is provided with an axial through hole (31), and a water-proof and air-permeable membrane (32) is provided in said through hole (31).
4. A blood sample processing device as claimed in claim 1, wherein a front and rear axial motor (33) is provided in the case (1), and an output end of the motor (33) is coaxially and fixedly connected with the rotary shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010864553.7A CN112156208B (en) | 2020-08-25 | 2020-08-25 | Blood sample processing device |
Applications Claiming Priority (1)
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