Sterility testing device for medical instruments

Abstract

A sterility testing device for medical instruments, comprising a sealed box (1). A liquid storage box (2) is fixedly connected to one side of the top of the sealed box (1). A water pump (3) is in communication with one side of the liquid storage box (2) by means of a connecting tube. A liquid delivery tube (4) is in communication with the bottom of the water pump (3). A collection assembly is provided at the top of an inner cavity of the sealed box (1). The collection assembly comprises an elution tank (5). The elution tank (5) is fixedly connected to the top of the inner cavity of the sealed box (1). The rotation of a transmission rod (7) can drive a first bevel gear (14) to rotate, thereby driving a second bevel gear (16) to rotate. The second bevel gear (16) can drive a rotating rod (15) to rotate, and the rotating rod (15) can drive a second belt pulley (22) by means of a first belt pulley (21) to rotate. Moreover, a first cylinder (17) drives a connecting plate (18) to move and to come into contact with the bottom of a placement box (19). Then, the second belt pulley (22) drives the placement box (19) by means of the first cylinder (17) to rotate, and the placement box (19) drives a liquid storage cup (20) to rotate, so that an electrolyte solution and an eluent are fully mixed.

Description

Sterility testing device for medical instruments TECHNICAL FIELD

[0001] The present application belongs to the technical field of medical instruments, in particular relates to a kind of sterile detection equipment for medical instrument. BACKGROUND

[0002] Sterile detection equipment for medical instrument: it is specially designed to verify whether medical instrument reaches sterile state, these equipment critically ensure that medical instrument does not contain pathogenic microorganism before use, thereby effectively reduce the risk of infection spread in medical operation, sterile detection equipment uses multiple methods for detection, including but not limited to culture method, biochemical method and physical chemistry method, these equipment are not only widely used in hospital and clinical laboratory, also play a key role in the process of medical instrument manufacturing and packaging, ensure that product meets health standards when leaving factory.

[0003] Sterile detection equipment for medical instrument in prior art needs manual medicine taking of eluent, and eluent is susceptible to external light when sampling, which causes inaccurate sterile detection result, also affects detection efficiency, and manual detection is needed when detecting eluent, which not only increases time and labor cost, but also affects detection efficiency.

[0004] Therefore, we provide a kind of sterile detection equipment for medical instrument to solve the above problems.

[0005] SUMMARY

[0006] The present application aims to provide a kind of sterile detection equipment for medical instrument, by the cooperation of collection assembly and ventilation assembly, solve the problem of manual sampling and detection of eluent in sterile detection equipment for medical instrument in prior art.

[0007] To solve the above technical problems, the present application is realized by the following technical scheme:

[0008] The present application is a kind of sterile detection equipment for medical instrument, including sealed box, the top of the sealed box one side is fixedly connected with liquid storage tank, the liquid storage tank one side is communicated with water pump by connecting pipe, the water pump bottom is communicated with infusion tube;

[0009] The top of the inner cavity of the sealed box is provided with collection assembly, the collection assembly includes elution tank, the elution tank is fixedly connected to the top of the inner cavity of the sealed box, the top of the one side of the sealed box is fixedly connected with transmission motor, the output end of the transmission motor is fixedly connected with transmission rod, the surface of the transmission rod is fixedly connected with cleaning roller, the bottom of the one side of the elution tank is communicated with water supply pipe, and the surface of the transmission rod one side is provided with mixing piece;

[0010] The sealing box is internally provided with a ventilation assembly, the ventilation assembly comprises a driving motor, the driving motor is fixedly connected to the inside of the sealing box, a driving rod is fixedly connected to the output end of the driving motor, a rotating plate is fixedly connected to the bottom of the surface of the driving rod, a rotating disc is fixedly connected to the top of the driving rod, and a ventilation piece is arranged on the top of the rotating disc.

[0011] The application further provides that the mixing piece comprises a first bevel gear fixedly connected to one side of the surface of the transmission rod, a rotating rod rotatably connected to one side of the inner cavity of the sealing box through a bearing, a second bevel gear fixedly connected to the top of the rotating rod, and the first bevel gear and the second bevel gear are in mesh with each other, a first air cylinder rotatably connected to one side of the bottom of the inner cavity of the sealing box through a bearing, a connecting plate fixedly connected to the top of the first air cylinder, a placing box rotatably connected to one side of the inside of the rotating plate, a liquid storage cup fixedly connected to the inside of the placing box, the bottom of the placing box in contact with the top of the connecting plate, a first belt pulley fixedly connected to the bottom of the surface of the rotating rod, a second belt pulley fixedly connected to the surface of the first air cylinder, and the first belt pulley and the second belt pulley are in transmission connection through a belt.

[0012] The application further provides that the ventilation piece comprises a sliding block fixedly connected to the top of the rotating disc, air pipes fixedly connected to the front side and the rear side of the top of the inner cavity of the sealing box, a piston plate slidably connected to the rear side of the inner cavity of the air pipe, a pushing plate fixedly connected to the rear side of the piston plate, a movable plate fixedly connected to one side of the pushing plate, the sliding block slidably connected to the inside of the movable plate, and an activated carbon filter plate and a bacteria filter plate fixedly connected to the front side of the inner cavity of the air pipe.

[0013] The application further provides that a limiting rod is fixedly connected to one side of the bottom of the inner cavity of the sealing box, a supporting plate slidably connected to the surface of the limiting rod, a detection device fixedly connected to one side of the inside of the supporting plate, and a second air cylinder fixedly connected to the bottom of the supporting plate.

[0014] The application further provides that a ventilation opening is communicated with one side of the top of the air pipe, a first one-way valve is arranged on the surface of the ventilation opening, and a second one-way valve is arranged on the front side of the surface of the air pipe.

[0015] The application further provides that a sliding groove is formed in the inside of the movable plate, and the sliding block is slidably connected to the inside of the sliding groove.

[0016] The application further provides that a drain pipe is communicated with one side of the bottom of the elution groove, and electromagnetic valves are arranged on the surface of the drain pipe and the surface of the water feeding pipe.

[0017] The application further provides that fixed plates are fixedly connected to the front side and the rear side of the top of the inner cavity of the sealing box, and the air pipe is fixedly connected to the top of the fixed plates.

[0018] The sealing box is further provided with a sliding groove fixedly connected to the top of the sealing box, and a sealing plate is slidably connected in the sliding groove.

[0019] The sealing box is further provided with an observation window fixedly connected to the inside of the observation opening.

[0020] The present application has the following advantages:

[0021] 1、The transmission motor drives the transmission rod to rotate, and the rotating rod drives the cleaning roller to rotate, which can clean the bacteria on the surface of the medical device into the inside of the eluent, and then the water pump delivers the electrolyte solution in the storage tank into the inside of the storage cup, facilitating subsequent mixing work.

[0022] 2、The transmission rod drives the first bevel gear to rotate, and then drives the second bevel gear to rotate, which drives the rotating rod to rotate, and the rotating rod drives the second belt pulley to rotate through the first belt pulley, while the first air cylinder drives the connecting plate to move and contact the bottom of the placing box, and then the second belt pulley drives the placing box to rotate through the first air cylinder, and the placing box drives the storage cup to rotate, so that the electrolyte solution and the eluent are fully mixed.

[0023] 3、The driving motor drives the driving rod to rotate, which drives the rotating plate and the rotating disc to rotate, the rotating plate moves the mixed eluent to the bottom of the detection device during rotation, facilitating subsequent detection, and the rotating disc drives the movable plate to reciprocate through the sliding block during rotation, and the movable plate drives the piston plate to reciprocate during movement, and in cooperation with the first one-way valve and the second one-way valve, the inside of the sealing box is ventilated.

[0024] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed for the embodiment description will be briefly introduced as follows.

[0026] Fig. 1 is a structure perspective view of a sterile detection equipment for medical devices.

[0027] Fig. 2 is a structure perspective view of a sterile detection equipment for medical devices.

[0028] Fig. 3 is a schematic view of the internal structure of a sealing box in a sterile detection equipment for medical devices.

[0029] Fig. 4 is a schematic diagram of the internal structure of a sealed box in a sterile detection device for medical instruments;

[0030] Fig. 5 is a schematic diagram of the internal structure of an elution tank in a sterile detection device for medical instruments;

[0031] Fig. 6 is a schematic diagram of the structure of a mixing element in a sterile detection device for medical instruments;

[0032] Fig. 7 is a schematic diagram of the structure of a ventilation element in a sterile detection device for medical instruments;

[0033] Fig. 8 is an exploded view of a rotating plate in a sterile detection device for medical instruments.

[0034] In the drawings: 1, sealed box; 2, liquid storage tank; 3, water pump; 4, infusion tube; 5, elution tank; 6, transmission motor; 7, transmission rod; 8, cleaning roller; 9, water supply pipe; 10, drive motor; 11, drive rod; 12, rotating plate; 13, rotating disc; 14, first bevel gear; 15, rotating rod; 16, second bevel gear; 17, first air cylinder; 18, connecting plate; 19, placement box; 20, liquid storage cup; 21, first belt pulley; 22, second belt pulley; 23, sliding block; 24, air pipe; 25, piston plate; 26, push plate; 27, movable plate; 28, activated carbon filter plate; 29, bacterial filter plate; 30, limiting rod; 31, support plate; 32, detection device; 33, second air cylinder; 34, air vent; 35, first one-way valve; 36, second one-way valve; 37, drain pipe. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all.

[0036] Embodiment One

[0037] Please refer to Figures 1-8, the present application is a kind of sterile detection equipment for medical instrument, including sealed box 1, sealed box 1 top side is fixedly connected with liquid storage tank 2, liquid storage tank 2 side is communicated with water pump 3 by connecting pipe, water pump 3 bottom is communicated with infusion tube 4;Sealed box 1 inner cavity top is provided with collection assembly, collection assembly includes elution tank 5, elution tank 5 is fixedly connected to the top of the inner cavity of sealed box 1, sealed box 1 top side is fixedly connected with transmission motor 6, transmission motor 6 output end is fixedly connected with transmission rod 7, transmission rod 7 surface is fixedly connected with cleaning roller 8, elution tank 5 side bottom is communicated with water supply pipe 9, transmission rod 7 surface side is provided with mixing piece;Sealed box 1 is provided with ventilation assembly, ventilation assembly includes drive motor 10, drive motor 10 is fixedly connected in sealed box 1, drive motor 10 output end is fixedly connected with drive rod 11, drive rod 11 surface bottom is fixedly connected with rotating plate 12, drive rod 11 top is fixedly connected with rotating disc 13, rotating disc 13 top is provided with ventilation piece.

[0038] Specifically: sealed box 1 top right side is provided with exhaust port, exhaust port inside is also fixedly connected with bacteria filter plate 29, sealed box 1 front right side is fixedly connected with controller, and left side is hingedly connected with box door, the center of the left side of sealed box 1 top is fixedly connected with liquid storage tank 2, the right side of liquid storage tank 2 is communicated with water pump 3 by connecting pipe, water pump 3 is fixed on the left side of the top of sealed box 1 adjacent to liquid storage tank 2, elution tank 5 is fixed at the center of the top of the inner cavity of sealed box 1, and the between sealed box 1 and elution tank 5 is provided with placing groove, can be conveniently placed and removed surgical instruments such as: surgical knife, forceps, etc., cleaning roller 8 is fixed at the center of the surface of transmission rod 7, it can move the bacteria on the surface of surgical instrument to elution liquid, accelerate sampling time, ventilation piece can ventilate sealed box 1 inside, prevent the gas generated during detection from affecting sample.

[0039] Specific embodiment two

[0040] Referring to FIG. 1-8, on the basis of the first specific embodiment, the mixing element includes the first bevel gear 14 fixedly connected to one side of the surface of the transmission rod 7, the rotating rod 15 rotatably connected to one side of the inner cavity of the sealing box 1 through a bearing, the second bevel gear 16 fixedly connected to the top of the rotating rod 15, the first bevel gear 14 and the second bevel gear 16 meshing with each other, the first air cylinder 17 rotatably connected to one side of the bottom of the inner cavity of the sealing box 1 through a bearing, the connecting plate 18 fixedly connected to the top of the first air cylinder 17, the placing box 19 rotatably connected to one side of the inner part of the rotating plate 12, the storage cup 20 fixedly connected to the inner part of the placing box 19, the bottom of the placing box 19 in contact with the top of the connecting plate 18, the first belt pulley 21 fixedly connected to the bottom of the surface of the rotating rod 15, the second belt pulley 22 fixedly connected to the surface of the first air cylinder 17, the first belt pulley 21 and the second belt pulley 22 drivingly connected through a belt, the ventilation element including the sliding block 23 fixedly connected to the top of the rotating disc 13, the air pipes 24 fixedly connected to the top of the inner cavity of the sealing box 1, the piston plate 25 slidably connected to the inner cavity of the air pipe 24, the push plate 26 fixedly connected to the rear side of the piston plate 25, the movable plate 27 fixedly connected to one side of the push plate 26, the sliding block 23 slidably connected to the inner part of the movable plate 27, the activated carbon filter plate 28 and the bacteria filter plate 29 fixedly connected to the front side of the inner cavity of the air pipe 24, the limiting rod 30 fixedly connected to one side of the bottom of the inner cavity of the sealing box 1, the supporting plate 31 slidably connected to the surface of the limiting rod 30, the detection device 32 fixedly connected to one side of the inner part of the supporting plate 31, and the second air cylinder 33 fixedly connected to the bottom of the supporting plate 31.

[0041] Specifically: the first bevel gear 14 is fixed on the left side of the surface of the transmission rod 7, the second bevel gear 16 is engaged with the bottom of the right side of the first bevel gear 14, and the bottom is fixed with the top of the rotating rod 15, the first cylinder 17 is rotatably connected to the left side of the bottom of the inner cavity of the sealing box 1 through the bearing, and is located on the left side of the bottom of the rotating plate 12, the placing box 19 is rotatably connected to the left side of the inside of the rotating plate 12 through the bearing, the top of the connecting plate 18 is provided with anti-skid lines, which can prevent the phenomenon of slipping when driving the placing box 19 to rotate, the sliding block 23 is fixed on the right side of the top of the rotating disc 13, the pushing plate 26 is symmetrically fixed on the front and back of the movable plate 27, the piston plate 25 is slidably connected to the rear side of the inner cavity of the air pipe 24, the detection method of the detection device 32 is electrochemical method, which is: selecting appropriate electrode (such as working electrode, reference electrode and counting electrode), and configuring appropriate electrolyte solution to provide required ion conduction, then introducing the sample to be tested into the electrochemical cell, and exciting the target analyte and the electrode surface through controlling the potential or current, then measuring the current, potential or charge transmission parameters, recording and analyzing the generated electrochemical signal to determine the concentration or other characteristics of the target analyte, while the ions in the electrolyte solution can provide charge carriers to promote the electrochemical reaction, and the ion conduction path is the basis for realizing the current transmission between the electrodes, which ensures the effectiveness and accuracy of the electrochemical analysis.

[0042] Specific embodiment three

[0043] Please refer to figures 1-8, on the basis of the first specific embodiment, the top of the air pipe 24 is communicated with the air vent 34 on one side, the surface of the air vent 34 is provided with the first check valve 35, the surface of the air pipe 24 is provided with the second check valve 36 on the front side, the inside of the movable plate 27 is provided with the sliding groove, the sliding block 23 is slidably connected to the inside of the sliding groove, the side of the elution tank 5 is communicated with the drain pipe 37 on the bottom, the surface of the drain pipe 37 and the surface of the water supply pipe 9 are both provided with electromagnetic valves, the top of the inner cavity of the sealing box 1 is fixedly connected with the fixed plate on the front side and the rear side, the air pipe 24 is fixedly connected to the top of the fixed plate, the top of the sealing box 1 is fixedly connected with the sliding groove on both sides, the sliding groove is slidably connected with the sealing plate inside, the sealing box 1 is provided with the observation hole on both sides, and the observation window is fixedly connected in the observation hole.

[0044] Specifically: the first and second single valves can control the flow and closing of air, increase the practicability during use, the drain pipe 37 is connected to the bottom of the right side of the elution tank 5, the water pipe 9 is connected to the bottom of the left side of the elution tank 5, the electromagnetic valve can control the flow of water, the drain pipe 37 can discharge excess eluent, the number of fixing plates is two, which are symmetrically fixed on the front side and the rear side of the top of the inner cavity of the sealing box 1, which can fix the air pipe 24, the number of sliding grooves is two, which are symmetrically fixed on the two sides of the top of the sealing box 1 and adjacent to the placing groove, the sealing plate can seal the elution tank 5, and the observation window can facilitate the staff to observe the operation of the inside of the equipment.

[0045] The working principle of the present application is: when the medical instrument needs to be detected, the user first prevents the medical instrument in the elution tank 5, and then starts the transmission motor 6 through the controller, the transmission motor 6 drives the transmission rod 7 to rotate, the transmission rod 7 drives the cleaning roller 8 and the first bevel gear 14 to rotate, the cleaning roller 8 cleans the medical instrument, so as to quickly melt the bacteria on the surface of the instrument into the eluent, then the eluent is transported into the storage cup 20 through the water pipe 9, and the water pump 3 transports the electrolyte solution in the storage tank 2 into the storage cup 20, then the first bevel gear 14 drives the second bevel gear 16 to rotate, the second bevel gear 16 drives the rotating rod 15 to rotate, and the rotating rod 15 drives the second belt pulley 22 to rotate through the first belt pulley 21, the second belt pulley 22 drives the first air cylinder 17 to rotate, at the same time, the first air cylinder 17 drives the connecting plate 18 to move up and contact with the bottom of the placing box 19, then the first air cylinder 17 drives the storage cup 20 to rotate through the placing box 19, so as to mix the electrolyte solution and the eluent, when the mixing is finished, the driving motor 10 drives the driving rod 11 to rotate, the driving rod 11 drives the rotating plate 12 and the rotating disc 13 to rotate, the rotating plate 12 sends the mixed eluent to the detection position, which is convenient for the detection device 32 to detect, so as to improve the detection efficiency and prevent the eluent from being affected by external factors;

[0046] At the same time, the rotating disc 13 will drive the movable plate 27 to move through the sliding block 23, the movable plate 27 drives the push plate 26 to move, the push plate 26 drives the piston plate 25 to move, when the piston plate 25 moves forward, the second one-way valve is closed, the first one-way valve 35 is opened, the air in the air pipe 24 is transported to the inside of the sealed box 1 through the air inlet 34, then when the piston plate 25 moves backward, the first one-way valve 35 is closed, the second one-way valve 36 is opened, the outside air is transported to the inside of the air pipe 24 through the filtration of the activated carbon filter plate 28 and the bacteria filter plate 29, so as to achieve the reciprocating piston purpose, and the excess air is discharged through the air outlet, the first one-way valve 35 and the second one-way valve 36 work cooperatively to ensure that the piston movement can be normally carried out, so as to achieve the purpose of ventilating the inside of the sealed box 1, and prevent the generated gas from affecting the sample during detection.

[0047] The standard parts used in the application can be purchased from the market, and can be ordered according to the description and drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The mechanical parts and equipment adopt the conventional type in the prior art. The control mode is automatically controlled by a control unit. The control circuit of the control unit can be realized by simple programming of the person skilled in the art, which belongs to the common knowledge in the art. Therefore, the control mode and circuit connection in the application will not be explained in detail.

[0048] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and do not limit the application to the specific embodiments described. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the application, so that the person skilled in the art can well understand and utilize the application.

Claims

1. A sterile detection device for a medical instrument comprising a sealed box (1), characterized in that: The sealing box (1) top side is fixedly connected with a liquid storage tank (2), one side of the liquid storage tank (2) is communicated with a water pump (3) through a connecting pipe, and the bottom of the water pump (3) is communicated with a liquid infusion tube (4); The collection assembly is arranged on the top of the inner cavity of the sealing box (1), the collection assembly comprises an elution tank (5), the elution tank (5) is fixedly connected to the top of the inner cavity of the sealing box (1), a transmission motor (6) is fixedly connected to the top of one side of the sealing box (1), a transmission rod (7) is fixedly connected to the output end of the transmission motor (6), a cleaning roller (8) is fixedly connected to the surface of the transmission rod (7), a water supply pipe (9) is communicated with the bottom of one side of the elution tank (5), and a mixing piece is arranged on one side of the surface of the transmission rod (7). The ventilation assembly is arranged inside the sealing box (1), the ventilation assembly comprises a drive motor (10), the drive motor (10) is fixedly connected to the inside of the sealing box (1), a drive rod (11) is fixedly connected to the output end of the drive motor (10), a rotating plate (12) is fixedly connected to the bottom surface of the drive rod (11), and a rotating disc (13) is fixedly connected to the top of the drive rod (11).

2. A sterilization detection apparatus for a medical instrument according to claim 1, wherein: The mixing piece comprises a first bevel gear (14), the first bevel gear (14) is fixedly connected to one side of the surface of the transmission rod (7), a rotating rod (15) is rotatably connected to one side of the inner cavity of the sealing box (1) through a bearing, a second bevel gear (16) is fixedly connected to the top of the rotating rod (15), the first bevel gear (14) and the second bevel gear (16) are meshed with each other, a first air cylinder (17) is rotatably connected to one side of the bottom of the inner cavity of the sealing box (1) through a bearing, a connecting plate (18) is fixedly connected to the top of the first air cylinder (17), a placing box (19) is rotatably connected to one side of the inside of the rotating plate (12), a liquid storage cup (20) is fixedly connected to the inside of the placing box (19), the bottom of the placing box (19) is in contact with the top of the connecting plate (18), a first belt pulley (21) is fixedly connected to the bottom surface of the rotating rod (15), a second belt pulley (22) is fixedly connected to the surface of the first air cylinder (17), and the first belt pulley (21) and the second belt pulley (22) are drivingly connected through a belt.

3. A sterilization detection apparatus for a medical instrument according to claim 1, wherein: The ventilation piece comprises a sliding block (23), the sliding block (23) is fixedly connected to the top of the rotating disc (13), air pipes (24) are fixedly connected to the top of the inner cavity of the sealing box (1) on the front side and the rear side, a piston plate (25) is slidably connected to the inner cavity of the air pipe (24) on the rear side, a pushing plate (26) is fixedly connected to the rear side of the piston plate (25), an active plate (27) is fixedly connected to one side of the pushing plate (26), the sliding block (23) is slidably connected to the inside of the active plate (27), and activated carbon filter plates (28) and bacterial filter plates (29) are fixedly connected to the inner cavity of the air pipe (24) on the front side.

4. A sterilization detection apparatus for a medical instrument according to claim 1, wherein: The bottom of the sealing box (1) is fixedly connected with a limiting rod (30) on one side, the surface of the limiting rod (30) is slidably connected with a supporting plate (31), the inside of the supporting plate (31) is fixedly connected with a detection device (32), and the bottom of the supporting plate (31) is fixedly connected with a second air cylinder (33).

5. A sterilization detection apparatus for a medical instrument according to claim 3, wherein: The top of the ventilation pipe (24) is communicated with a ventilation opening (34) on one side, the surface of the ventilation opening (34) is provided with a first one-way valve (35), and the front surface of the ventilation pipe (24) is provided with a second one-way valve (36).

6. A sterilization detection apparatus for a medical instrument according to claim 3, wherein: The inside of the movable plate (27) is provided with a sliding groove, and the sliding block (23) is slidably connected in the sliding groove.

7. A sterilization detection apparatus for a medical instrument according to claim 1, wherein: The bottom of the elution tank (5) is communicated with a drain pipe (37) on one side, and the surface of the drain pipe (37) and the surface of the water supply pipe (9) are both provided with electromagnetic valves.

8. A sterilization detection apparatus for a medical instrument according to claim 3, wherein: The top of the sealing box (1) is fixedly connected with a fixed plate on the front side and the rear side, and the ventilation pipe (24) is fixedly connected to the top of the fixed plate.

9. A sterilization detection apparatus for a medical instrument according to claim 1, wherein: The top of the sealing box (1) is fixedly connected with a sliding groove on both sides, and the sealing plate is slidably connected in the sliding groove.

10. A sterilization detection apparatus for a medical instrument according to claim 1, wherein: The sealing box (1) is provided with an observation opening on both sides, and the observation window is fixedly connected in the observation opening.

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