Placing frame for cleaning orthopedic screws and operation method of placing frame

Abstract

The invention discloses a placement rack for cleaning orthopedic screws and an operation method thereof, and relates to the technical field of medical instruments. The placing frame for cleaning the orthopedic screws comprises a placing disc placed in a cleaning tank of an ultrasonic cleaning machine and supporting legs used for supporting the placing disc. A rotary disc is rotationally connected to the containing disc. The bottom of the turntable is connected with a vibration turntable; a plurality of placing holes for placing orthopedic screws are formed in the placing disc and the rotating disc; the vibration rotating disc is used for driving the rotating disc to rotate under the vibration and flowing effects of the cleaning fluid; the spiral flow deflectors are arranged on the vibration rotating disc, so that the rotating disc can rotate and change the position of a screw only depending on ultrasonic vibration driving under the condition that an additional electric driving device is not connected, the cleaning effect is enhanced, the safety is high, and the energy-saving effect is good; the spiral blade is arranged below the rotating disc, so that the rotating disc is promoted to rotate, and impurities are pushed away from a screw area; and first springs are arranged in the supporting legs, so that the supporting legs can vibrate up and down along with ultrasonic waves, and the cleaning effect is enhanced.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly relates to a placement rack for cleaning orthopedic screws and an operation method thereof. Background Art

[0002] In orthopedic surgeries, screws, as key internal fixation devices, are implanted into patients' bodies. The degree of their cleaning and sterilization is directly related to the success of the surgery and the prognosis of the patients. There are also some screws used to assist orthopedic surgeries and not implanted into patients' bodies, which can be reused after disinfection. Currently, the cleaning of orthopedic screws generally involves placing them on a placement tray with multiple fixing holes, inserting the screw bodies into the holes for fixation, and then cleaning them with a dedicated cleaning device. However, when the screw bodies are placed in the fixing holes, there will be dead corners during cleaning, and the threads are prone to dirt accumulation. Especially for screws that are long and slender and hollow, the existing general cleaning devices often have insufficient pertinence when cleaning orthopedic screws and cannot effectively remove stubborn dirt on their surfaces and in the internal gaps.

[0003] In response to the above problems, the patent with the patent number CN 221808073U discloses a placement rack for cleaning medical screws. By adjusting the locking nuts provided on the surfaces at both ends of the support columns, the placement basket can be switched in angle, so that the main body of the medical screw can be tilted at an angle according to requirements, which is convenient for more effective cleaning of the main body of the medical screw. However, the contact area between the screw and the placement basket may not be thoroughly cleaned. Although the angle of the placement basket can be adjusted, the method of adjusting the angle through the locking nuts is not flexible, the angle of the placement basket cannot be adjusted in real time, and the operability is not strong, making it difficult to achieve an ideal cleaning effect. Summary of the Invention

[0004] The present invention provides a placement rack for cleaning orthopedic screws and an operation method thereof, aiming to solve the problem that the existing placement rack cannot be thoroughly cleaned.

[0005] To achieve the above object, the technical idea adopted by the present invention to solve its technical problems is as follows: Design a placement rack for cleaning orthopedic screws. Support legs are provided under the placement tray, and a first spring is arranged inside the support legs, so that the placement tray can vibrate up and down under the action of ultrasonic waves, changing the position of the screws to avoid cleaning dead corners; a turntable is rotatably connected to the placement tray, and a vibrating and rotating disk with spiral guide vanes is connected to the turntable, so that the cleaning liquid in the ultrasonic cleaning machine can drive the turntable to rotate, further enhancing the cleaning effect; spiral blades are connected above and below the turntable to make the rotation of the turntable smoother and push the impurities washed down away from the screw area to achieve an ideal cleaning effect.

[0006] To achieve the above object, the technical solution adopted by the present invention to solve its technical problems is as follows: An orthopedic screw cleaning rack, comprising a placement tray placed in the cleaning tank of an ultrasonic cleaning machine, and support legs for supporting the placement tray; A turntable is rotatably connected to the placement tray; a vibration and rotation disc is connected to the bottom of the turntable; A plurality of placement holes for placing orthopedic screws are provided on the placement tray and the turntable; The vibration and rotation disc is used to drive the turntable to rotate under the action of the vibration and flow of the cleaning liquid.

[0007] Further, the vibration and rotation disc is a conical ring structure; A plurality of spiral guide vanes are arrayed on the vibration and rotation disc; The spiral guide vane is an inclined structure.

[0008] Further, a plurality of spiral blades are also arrayed and connected to the bottom of the turntable, and the spiral blades are located outside the vibration and rotation disc.

[0009] Further, the plate surface of the spiral blade is an inclined structure.

[0010] Further, the support leg includes two inner rods, two outer tubes, and a connecting rod connecting the two inner rods; The outer tube is movably sleeved outside the corresponding inner rod; A first spring is connected between the bottom of the inner rod and the outer tube; The upper end of the connecting rod is movably connected to the bottom of the placement tray through a swing mechanism.

[0011] Further, the swing mechanism includes a first connecting piece, a U-shaped plate, and two second connecting pieces; The bottom of the placement tray is connected to the first connecting piece; The connecting rod is provided with a U-shaped plate and two second connecting pieces; The first connecting piece is rotatably connected to the U-shaped plate; Second springs are provided between the first connecting piece and the second connecting pieces on both sides.

[0012] Further, a sealing pad matching the inner rod is provided at the top of the outer tube.

[0013] Further, a connecting frame is provided between the placement tray and the turntable; The connecting frame is connected to the placement tray and is rotatably connected to the turntable.

[0014] Further, the connecting frame includes a plurality of first vertical rods, a cross frame, and second vertical rods; The top of the first vertical rod is connected to the placement tray; The second vertical rod is rotatably connected to the turntable; The horizontal frame connects the second vertical rod and multiple first vertical rods.

[0015] Furthermore, according to the operation method of the placement rack for orthopedic screw cleaning described above, it includes the following steps S1: Place the placement tray into the cleaning tank of the ultrasonic cleaner and start the ultrasonic cleaner. S2: The ultrasonic vibration drives the support legs to vibrate up and down, thereby driving the placement tray to shake up and down and left and right, causing the screws on the placement tray and the turntable to move up, down, left, and right. S3: At the same time, the ultrasonic vibration drives the vibration and rotation disk to rotate, thereby driving the turntable to rotate, further changing the positions of the screws on the turntable and enhancing the cleaning effect.

[0016] The beneficial effects of the present invention are: Compared with the prior art, the improvements of the present invention are as follows 1. By setting up a connecting frame, the present invention rotatably connects the turntable and the placement tray, enabling the turntable to rotate only relying on ultrasonic vibration, changing the positions of the screws on the turntable without connecting additional driving devices, and enhancing the cleaning effect. 2. By setting up a vibration and rotation disk under the turntable and spiral guide vanes on the vibration and rotation disk, the present invention enables the turntable to rotate under the action of ultrasonic waves driving the cleaning liquid to vibrate and flow, changing the positions of the screws on the turntable, avoiding cleaning dead corners, and enhancing the cleaning effect; This driving can be achieved without using additional power devices, without the need to rely on motor drive, avoiding the potentially dangerous driving method of using electricity in a liquid environment, with high safety and good energy-saving effect. 3. By setting up spiral blades under the turntable, on the one hand, when the inclined plate surface of the spiral blades is subjected to ultrasonic vibration, part of the acting force is converted into the force promoting the rotation of the spiral blades, making the rotation of the turntable smoother; On the other hand, during the rotation of the spiral blades, the cleaning liquid is driven to rotate and stir over a larger range, forming eddy currents, strengthening the removal of surface dirt. The rotational stirring cleaning can increase the contact opportunity and friction effect between the screws and the cleaning liquid, exerting the maximum cleaning efficiency; The generated eddy currents and rotations will also push the cleaned impurities to the surrounding areas, away from the screw area, avoiding reattachment to the screws. 4. By setting up support legs at the bottom of the placement tray and first springs inside the support legs, the vibration generated by the ultrasonic waves drives the inner rods of the support legs to vibrate up and down inside the outer tubes, and at the same time, the first springs amplify the up and down vibrations, further amplifying the movement of the screws, changing the positions of the screws in the placement holes, and enabling the screws to be cleaned without dead corners in all directions. 5. By setting up a swing mechanism inside the support legs, the up and down vibration of the support legs drives the placement tray to swing left and right, further enhancing the cleaning effect. Description of the Drawings

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the attached drawings required for the embodiments.

[0018] Figure 1 It is a picture of the placement tray for cleaning orthopedic screws currently in use in the hospital; Figure 2 It is a top view of the overall structure of the present invention placed in the cleaning tank; Figure 3 It is a side view of the overall structure of the present invention placed in the cleaning tank; Figure 4 It is a side view of the overall structure of the present invention; Figure 5 It is a bottom view of the overall structure of the present invention; Figure 6 It is a schematic structural diagram of the placement tray and the turntable; Figure 7 It is a side view of the placement tray; Figure 8 It is a bottom view of the placement tray; Figure 9 It is a plan view of the turntable; Figure 10 It is a top view of the turntable; Figure 11 It is a bottom view of the turntable; Figure 12 It is a top view of the vibration and rotation disk; Figure 13 It is a bottom view of the vibration and rotation disk; Figure 14 It is a top view of the cover plate; Figure 15 It is a schematic structural diagram of the support leg; In the figure: 1. Cleaning tank; 2. Placement tray; 21. Placement hole; 3. Cover plate; 31. Through hole; 4. Support leg; 41. Inner rod; 42. Outer tube; 43. First spring; 44. Sealing gasket; 45. Connecting rod; 46. Rocking mechanism; 461. First connecting piece; 462. U-shaped plate; 463. Rotating shaft; 464. Second spring; 465. Second connecting piece; 5. Turntable; 6. Connecting frame; 61. First vertical rod; 62. Cross frame; 63. Second vertical rod; 7. Vibration and rotation disk; 71. Spiral guide vane; 8. Spiral blade. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments, rather than all of the embodiments.

[0020] Embodiment 1 Reference Figure 2-14 , the present invention provides a placement rack for cleaning orthopedic screws, including a placement tray 2 placed in the cleaning tank 1 of an ultrasonic cleaning machine, and support legs 4 for supporting the placement tray 2; the support legs 4 keep a distance between the placement tray 2 and the bottom of the cleaning tank 1, so that cleaning impurities settle at the bottom and avoid reattaching to the screws; a turntable 5 is rotatably connected to the placement tray 2; a vibration and rotation disk 7 for driving the turntable 5 to rotate under the action of the vibration and flow of the cleaning liquid is connected to the bottom of the turntable 5; a plurality of placement holes 21 are provided on the placement tray 2 and the turntable 5, and the placement holes 21 are preferably placement holes of various diameters matching different models of orthopedic screws; a cover plate 3 is also detachably connected to the upper end of the placement tray 2, and the detachable connection method is not limited. In this embodiment, bolt connection is used, which is convenient for placing and taking out the screws; the cover plate 3 includes a flat part matching the placement tray 2 and a convex part matching the turntable 5, and the size of the convex part is larger than the size of the turntable 5 to prevent affecting the rotation of the turntable 5; the cover plate 3 is used to prevent the screws from falling out of the placement holes 21 randomly and scattering in the cleaning tank 1 along with the movement of the placement tray 2 and the turntable 5; a plurality of through holes 31 facilitating the flow of the cleaning liquid are provided on the cover plate 3. To facilitate the placement and removal of this device, two handles are also provided on the placement tray 2. The ultrasonic cleaning machine is a prior art, and the ultrasonic cleaning machine and the orthopedic screws are not shown in the figure.

[0021] Furthermore, a connection frame 6 is provided between the placement tray 2 and the turntable 5; the connection frame 6 is connected to the placement tray 2 and is rotatably connected to the turntable 5. The connection frame 6 includes a plurality of first vertical rods 61, a cross frame 62, and second vertical rods 63; the tops of the first vertical rods 61 are connected to the bottom of the placement tray 2; the second vertical rods 63 are rotatably connected to the turntable 5; the cross frame 62 connects the second vertical rods 63 and the plurality of first vertical rods 61. The connection part of the second vertical rod 63 and the turntable 5 is ensured to be smooth to reduce the friction when the turntable 5 rotates and ensure that the turntable 5 can rotate smoothly.

[0022] Furthermore, a vibration-rotation disk 7 is connected to the bottom of the turntable 5. The vibration-rotation disk 7 is a conical ring structure, and a plurality of spiral guide vanes 71 are arranged in an array on the vibration-rotation disk 7. The spiral guide vanes 71 are arranged with inclined plate surfaces. When the vibration-rotation disk 7 and the spiral guide vanes 71 are impacted by the ultrasonic vibration cleaning liquid, a partial component of the crushing force and the vibration force generated by ultrasonic cavitation is converted into a force to drive the vibration-rotation disk 7 to rotate, causing the turntable 5 to rotate and driving the screws placed on the turntable 5 to move; the movement of the cleaning liquid in the ultrasonic cleaning machine has a certain regularity while also having a certain randomness, making the rotation of the turntable 5 have a certain randomness. The screws are out of sync with the movement of the turntable 5 under the action of inertia, resulting in relative movement of the screws in the placement holes 21 of the turntable 5; the screws are placed in the placement holes 21 that are slightly larger than the diameter of the screw body. When the turntable 5 rotates, the screws move relative to the placement holes 21 on the turntable 5, avoiding the situation where the contact parts cannot be cleaned properly due to the screws and the turntable 5 always being relatively stationary.

[0023] Furthermore, a plurality of spiral blades 8 are also connected in an array to the bottom of the turntable 5. The plate surface of the spiral blades 8 is of an inclined structure and is located outside the vibration-rotation disk 7. The setting of the spiral blades 8, on the one hand, when their inclined plate surfaces are subjected to the crushing force generated by ultrasonic cavitation and ultrasonic vibration, part of the acting force is converted into a force to promote the rotation of the spiral blades 8, making the rotation of the turntable 5 smoother; on the other hand, during the rotation process of the spiral blades 8, the cleaning liquid is driven to rotate and stir over a larger range, forming a vortex, strengthening the removal of surface dirt. The rotational stirring cleaning can increase the contact opportunity and friction effect between the screws and the cleaning liquid, giving full play to the maximum cleaning efficiency; the generated vortex and rotation will also push the removed impurities to the surrounding areas, away from the screw area, avoiding reattachment to the screws.

[0024] In this embodiment, by setting the vibration-rotation disk 7 and the spiral blades 8, the turntable 5 can rotate under the action of the ultrasonic wave driving the cleaning liquid to vibrate and flow, changing the position of the screws on the turntable 5, avoiding cleaning dead corners, and enhancing the cleaning effect; this driving can be achieved without using an additional power device, and there is no need to rely on a motor drive, avoiding the potentially dangerous driving method of using electricity in a liquid environment, with high safety and good energy-saving effect.

[0025] Embodiment 2 Based on Embodiment 1, in order to enable the placement disk 2 and the turntable 5 to shake up and down and left and right in the cleaning tank 1, change the position of the screws, and improve the cleaning effect of the screws, Embodiment 2 provides a preferred solution for the support legs 4.

[0026] Reference Figure 15, the support leg 4 in the present invention includes two inner rods 41, two outer tubes 42, and a connecting rod 45 connecting the two inner rods 41. The outer tube 42 is movably sleeved outside the bottom of the corresponding inner rod 41. The connecting rod 45 is movably connected to the bottom of the placing plate 2. A first spring 43 is connected between the bottom of the inner rod 41 and the outer tube 42. A sealing gasket 44 matching the inner rod 41 is provided at the top of the outer tube 42. By providing the first spring 43, under the action of ultrasonic vibration, the support leg 4 will undergo a certain amplitude of up-and-down vibration. Moreover, the driving method of driving the support leg 4 to vibrate up and down by ultrasonic makes the up-and-down movement of the support leg 4 have a certain degree of randomness. The screws on the placing plate 2 and the turntable 5 are out of sync with the movement of the placing plate 2 and the turntable 5 under the action of inertia, resulting in relative movement between the screws and the placing holes 21, avoiding the generation of cleaning dead corners. And the first spring 43 strengthens the ultrasonic vibration effect received by the placing plate 2 and the turntable 5, and will not fall out of the placing hole 21 under the action of the cover plate 3, so that the screws are cleaned in all directions without dead corners. The sealing gasket 44 can prevent impurities from entering and affecting the vibration of the first spring and being difficult to clean, causing additional pollution.

[0027] Further, a swing mechanism 46 is provided between the connecting rod 45 and the placing plate 2. The swing mechanism 46 includes a first connecting piece 461, a U-shaped plate 462, a rotating shaft 463, two second springs 464, and two second connecting pieces 465. The bottom of the placing plate 2 is connected to the first connecting piece 461. The upper end of the connecting rod 45 is provided with a U-shaped plate 462 and two second connecting pieces 465. The rotating shaft 463 passes through the U-shaped plate 462 and the first connecting piece 461 located inside the U-shaped plate 462, and is rotatably connected to the first connecting piece 461 and the U-shaped plate 462. Second springs 464 are provided between the first connecting piece 461 and the second connecting pieces 465 on both sides. In the initial state, both of the two second springs 464 are in the natural state or the elastic balance state. When the up-and-down vibrations of the two inner rods 41 in the support leg 4 are not completely synchronized, the first connecting piece 461 increases the extrusion force on one side of one of the second springs 464, and decreases the extrusion force on the other side of the second spring 464 or generates a pulling force. When the elastic imbalance of the two second springs 464 is greater than the frictional force, the first connecting piece 461 tilts, which will drive the placing plate 2 to tilt. Under the action of the crushing force and the vibration force generated by ultrasonic cavitation, the placing plate 2 will rotate left and right, and tilt reciprocally and swing left and right within a certain angle and range. When the weights of the screws placed on the placing plate 2 are uneven, the generated eccentric effect will increase the amplitude of the tilt. When the placing plate 2 tilts, the directions and magnitudes of the acting forces of the vibrating and rotating disk 7 and the spiral blades 8 on the cleaning liquid also change, causing the rotation speed of the turntable 5 to gradually decrease, and further changing the overall vibration change amplitude of the placing plate 2. When the placing plate 2 tilts at a certain angle, the inclined bolt lines thereon will be impacted by more vertical ultrasonic cleaning liquid, so that the threaded areas are directly cleaned and impacted, improving the cleaning efficiency.

[0028] Traditional cleaning methods often require a large amount of cleaning fluid and wiping materials, and frequent replacement of the cleaning fluid may be necessary due to poor cleaning effects. The device in the present invention can improve the utilization rate of the cleaning fluid, reduce the consumption of the cleaning fluid, and shorten the cleaning time.

[0029] Application example: Screws used in orthopedic surgeries may be attached with debris or bacteria during transportation and need to be thoroughly cleaned and disinfected before surgery. There are also some screws used in orthopedic surgeries to assist in the positioning of other screws, etc., and are not implanted into the patient's body. However, they may be contaminated with human tissues and blood during the surgery and need to be cleaned and disinfected after the surgery for repeated use. Taking the cleaning of orthopedic screws using the present invention as an example, the operation method of a placement rack for cleaning orthopedic screws of the present invention is specifically described below.

[0030] First step: Place the screws to be cleaned into the placement holes 21. Place the screws with complex shapes, hollow structures, and more dirt into the placement holes 21 on the turntable 5; fix the cover plate 3 above the placement plate 2; and start the ultrasonic cleaning machine.

[0031] Second step: The cavitation effect generated by ultrasonic waves in the cleaning fluid causes tiny bubbles to rapidly burst on the surface of the screws, generating a powerful impact force to peel off the dirt from the surface and gaps of the screws; at the same time, the cleaning fluid vibrates and flows, acting on the spiral guide vanes 71 and the spiral blades 8, and converting a part of the acting force into a force to promote the rotation of the turntable 5, causing the screws to move relatively within the placement holes 21 under the action of inertia.

[0032] Third step: The vibration generated by ultrasonic waves drives the inner rods 41 of the support legs 4 to vibrate up and down within the outer tubes 42, and at the same time, the first springs 43 amplify the up and down vibrations; when the up and down vibrations of the two inner rods 41 are out of sync, the squeezing forces of the first connecting piece 461 on the second springs 464 on both sides are different, resulting in the inclination of the first connecting piece 461, driving the placement plate 2 to incline and changing the positions of the screws within the placement holes 21, so that the screws are cleaned comprehensively and without dead angles.

[0033] Fourth step: After cleaning, turn off the ultrasonic cleaning machine, hold the handle and take the present invention out of the cleaning tank 1 for the next process.

[0034] It should be clear that the above detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the present invention claimed, but merely represents the selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

Claims

1. A placement rack for cleaning orthopedic screws, comprising a placement tray (2) placed in a cleaning tank (1) of an ultrasonic cleaning machine, and support legs (4) for supporting the placement tray (2); Features: The placement plate (2) is rotatably connected to a turntable (5); the bottom of the turntable (5) is connected to a vibrating plate (7); The placement plate (2) and the rotating plate (5) are provided with a plurality of placement holes (21) for placing orthopedic screws; The vibrating disc (7) is used to drive the rotating disc (5) to rotate under the vibration and flow of the cleaning liquid.

2. The orthopedic screw cleaning rack according to claim 1, characterized in that: The oscillating disk (7) is a conical ring structure; A plurality of spiral guide vanes (71) are arranged in an array on the vortex disk (7); The spiral guide vane (71) is an inclined structure.

3. The orthopedic screw cleaning rack according to claim 2, characterized in that: A plurality of spiral blades (8) are also connected in an array to the bottom of the rotating disk (5), and the spiral blades (8) are located outside the vibrating disk (7).

4. The orthopedic screw cleaning rack according to claim 3, characterized in that: The spiral blade (8) has an inclined surface.

5. The orthopedic screw cleaning rack according to claim 1, characterized in that: The support leg (4) comprises two inner rods (41), two outer tubes (42), and a connecting rod (45) connecting the two inner rods (41); The outer tube (42) is movably sleeved outside the corresponding inner rod (41); A first spring (43) is connected between the bottom of the inner rod (41) and the outer tube (42); The upper end of the connecting rod (45) is movably connected to the bottom of the placement plate (2) via a swing mechanism (46).

6. The orthopedic screw cleaning rack according to claim 5, characterized in that: The swing mechanism (46) comprises a first connecting piece (461), a U-shaped plate (462), and two second connecting pieces (465); The bottom of the placement plate (2) is connected to the first connecting piece (461); The connecting rod (45) is provided with a U-shaped plate (462) and two second connecting pieces (465); The first connecting piece (461) is rotatably connected to the U-shaped plate (462); A second spring (464) is provided between the first connecting piece (461) and the second connecting pieces (465) on both sides.

7. The orthopedic screw cleaning rack according to claim 5, characterized in that: A sealing gasket (44) matching the inner rod (41) is provided on the top of the outer tube (42).

8. The orthopedic screw cleaning rack according to claim 1, characterized in that: A connecting frame (6) is provided between the placement plate (2) and the rotating plate (5); The connecting frame (6) is connected to the placement plate (2) and is rotatably connected to the rotating plate (5).

9. The orthopedic screw cleaning rack according to claim 8, characterized in that: The connecting frame (6) comprises a plurality of first vertical rods (61), a horizontal frame (62) and a second vertical rod (63); The top of the first vertical rod (61) is connected to the placement plate (2); The second vertical rod (63) is rotatably connected to the rotating disk (5); The horizontal frame (62) connects the second vertical rod (63) and the plurality of first vertical rods (61).

10. The method for operating the orthopedic screw cleaning rack according to any one of claims 1 to 9, characterized in that: The following steps are included: S1: placing the placement plate (2) into the cleaning tank (1) of the ultrasonic cleaning machine, and starting the ultrasonic cleaning machine; S2: The ultrasonic vibration drives the support legs (4) to vibrate up and down, thereby driving the placement plate (2) to shake up and down and left and right, so that the screws on the placement plate (2) and the turntable (5) move up and down and left and right; S3: At the same time, the ultrasonic vibration drives the vibrating disk (7) to rotate, thereby driving the rotating disk (5) to rotate, further changing the position of the screws on the rotating disk (5) to enhance the cleaning effect.

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