Improved hydrogen peroxide plasma sterilization shelf

Abstract

The utility model relates to the technical field of medical instrument sterilization discloses improved hydrogen peroxide plasma sterilization layer frame, including the layer frame upper setting be used for placing the limiting block of packaged medical instrument, and limiting block adopts the high -performance silica gel material of hydrogen peroxide corrosion resistance and is made, limiting block can produce friction force with packaged medical instrument between, thereby can reduce the displacement of limiting block in the sterilization process, second, through the baffle set up in the outer end of layer frame, can block the packaged medical instrument that breaks through the constraint of limiting block and slides to the outside of layer frame, prevent packaged medical instrument from shielding ultraviolet ray of ultraviolet ray emitting lamp emission, thereby ensured the accuracy of hydrogen peroxide concentration value, and further ensured that medical instrument can sterilize in time, guarantee normal supply of medical instrument.

Description

Technical Field

[0001] This utility model relates to the technical field of medical device sterilization, specifically to a modified hydrogen peroxide plasma sterilization rack. Background Technology

[0002] In medical practice, sterilization of medical devices is a crucial step in ensuring patient safety and preventing cross-infection. Hydrogen peroxide low-temperature plasma sterilization technology, with its significant advantages such as high sterilization efficiency, low-temperature operation, and no toxic residue, has become the preferred sterilization method for heat- and moisture-sensitive precision medical devices. This technology is achieved through a hydrogen peroxide low-temperature plasma sterilizer, which can safely, efficiently, and rapidly complete the entire sterilization process for medical devices.

[0003] Inside the sterilization chamber of the hydrogen peroxide low-temperature plasma sterilizer, an ultraviolet (UV) emitting lamp is installed near the bottom of the chamber door, and a detector corresponding to the UV emitting lamp is installed on the top of the chamber. When the UV light emitted by the UV emitting lamp passes through the sterilization chamber, the hydrogen peroxide inside the chamber absorbs the UV light, causing the intensity of the UV light to decrease. The detector receives the UV light with decreased intensity, and the built-in monitoring system of the hydrogen peroxide low-temperature plasma sterilizer calculates the concentration of hydrogen peroxide based on the amount of UV light attenuation and the Beer-Lambert law. The monitoring system has a preset hydrogen peroxide concentration threshold range. When the hydrogen peroxide concentration is higher or lower than the preset threshold range, the monitoring system determines it as abnormal and immediately interrupts the current sterilization process, thereby ensuring the sterilization effectiveness and equipment operation safety.

[0004] In the process of sterilizing medical devices using a hydrogen peroxide low-temperature plasma sterilizer, the medical devices must first be packaged and sealed. Then, the packaged medical devices are placed on the shelves of the sterilization chamber of the hydrogen peroxide low-temperature plasma sterilizer. After the sterilizer is started, sterilization begins, and a vacuum is drawn into the sterilization chamber. However, this vacuuming process causes vibrations in the sterilization chamber, leading to displacement of the packaged medical devices on the shelves. These displaced devices may block the ultraviolet light emitted by the ultraviolet lamps, thus weakening the intensity of the ultraviolet light received by the detector lens. This, in turn, affects the accuracy of the hydrogen peroxide low-temperature plasma concentration value. If the detected hydrogen peroxide low-temperature plasma concentration value exceeds a preset threshold, the sterilization process will be paused. This pause not only affects the timely sterilization of medical devices but also disrupts the normal supply of subsequent medical devices, ultimately leading to delays in the supply of medical devices. Utility Model Content

[0005] The present invention aims to provide an improved hydrogen peroxide plasma sterilization rack, which can reduce the problem of displacement of packaged medical devices due to vibration during the vacuuming stage, thereby reducing the need for forced interruption of the sterilization process and ensuring that medical devices can be sterilized in a timely manner.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: 1) Improved hydrogen peroxide plasma sterilization rack, including a rack that can be detachably installed in the sterilization chamber of a hydrogen peroxide low-temperature plasma sterilizer. The rack is equipped with several limiting blocks for placing packaged medical devices. The limiting blocks are made of elastic anti-slip material, and the outer end of the rack is equipped with a baffle.

[0007] In this invention, the sterilization chamber of the hydrogen peroxide low-temperature plasma sterilizer has several limiting blocks on its shelves for placing packaged medical devices. Since the limiting blocks are made of elastic anti-slip material, which has high friction, when the packaged medical device is placed on the limiting block, the bottom surface of the packaged medical device and the top surface of the limiting block form a surface contact. Due to the high friction of the elastic anti-slip material, friction is generated between the packaged medical device and the limiting block.

[0008] After the hydrogen peroxide low-temperature plasma sterilizer is started, during the vacuuming process in the sterilization chamber, the vibration caused by the rapid pressure change inside the chamber will cause the sterilization chamber and its contents to vibrate. During this process, the friction between the packaged medical devices and the limiting blocks can effectively suppress the displacement of the packaged medical devices. This not only reduces the overlap between adjacent packaged medical devices, ensuring that the hydrogen peroxide plasma can uniformly penetrate and cover the surface of the packaged medical devices, thus improving the stability of the sterilization effect, but also reduces the possibility of the packaged medical devices shifting and blocking the ultraviolet light from emitting ultraviolet rays, ensuring the accuracy of the hydrogen peroxide concentration value, and thus ensuring that the medical devices can be sterilized in a timely manner, guaranteeing the normal supply of medical devices. At the same time, the elastic anti-slip material has good elasticity and deformation capacity, and can absorb or weaken vibration energy through its own deformation, thereby further suppressing the displacement of the packaged medical devices.

[0009] In addition, a baffle is provided at the outer end of the shelf. When the vibration generated during the operation of the hydrogen peroxide low-temperature plasma sterilizer causes the packaged medical devices to shift, the baffle can prevent the packaged medical devices from sliding to the outside of the shelf. This prevents the packaged medical devices from blocking the ultraviolet light emitted by the ultraviolet emitting lamp located on the outside of the shelf, thereby reducing the interruption of the sterilization process due to the packaged medical devices blocking the ultraviolet light, so as to achieve timely sterilization and stable supply of medical devices.

[0010] 2) The modified hydrogen peroxide plasma sterilization rack according to 1), wherein: The limit block is made of high-performance silicone material that is resistant to hydrogen peroxide corrosion.

[0011] In this invention, the high-performance silicone material possesses excellent resistance to hydrogen peroxide corrosion, effectively resisting the strong erosion of hydrogen peroxide. This reduces the aging, embrittlement, deformation, or surface degradation of the limiting block during multiple sterilization cycles, ensuring its long-term functional stability and durability. Simultaneously, the high-performance silicone material itself has a high coefficient of friction and good elasticity, continuously providing strong frictional force, effectively inhibiting the displacement of packaged medical devices during sterilization.

[0012] 3) The modified hydrogen peroxide plasma sterilization rack according to 1), wherein: The shelf includes a mesh-like frame, which includes several intersecting horizontal and vertical bars. Between two adjacent vertical bars on the horizontal bars, an installation area is formed for installing a limiting block. The position of the limiting block corresponds to an installation area. The bottom of the limiting block has an angle adjustment slot for locking onto the horizontal bar. The limiting block can swing around the angle adjustment slot.

[0013] In this invention, the shelf includes a mesh frame. The mesh structure of the frame ensures that hydrogen peroxide in the sterilization chamber can penetrate the shelf without obstruction, thereby ensuring that the packaged medical devices can come into contact with hydrogen peroxide on all sides, thus ensuring the effectiveness and comprehensiveness of the sterilization process.

[0014] The limiting block is mounted on the crossbar via an adjustable tilt groove at its bottom. This not only allows for quick installation but also enables flexible adjustment of the installation position and number of limiting blocks to meet diverse sterilization requirements of medical devices. Furthermore, the limiting block can swing around the adjustable tilt groove. When the bottom surface of the packaged medical device is uneven, swinging the limiting block adjusts the tilt angle of its top surface, ensuring full contact between the top surface of the limiting block and the bottom surface of the packaged medical device. This significantly increases the contact area between the limiting block and the packaged medical device, thereby enhancing friction and effectively inhibiting potential slippage of the packaged medical device.

[0015] 4) The modified hydrogen peroxide plasma sterilization rack according to 1), wherein: The top surface of the limiting block has several protrusions evenly distributed, and the cross-section of the protrusions is wavy.

[0016] In this invention, the protrusion on the top surface of the limiting block can enhance the friction between the limiting block and the packaged medical device, thereby further enhancing the stability of the packaged medical device.

[0017] 5) The modified hydrogen peroxide plasma sterilization rack according to 3), wherein: The bottom sides of the baffle are respectively provided with a first fixing structure for locking upwards onto the crossbar and a second fixing structure for locking downwards onto the crossbar. The first fixing structure includes a first fixing piece disposed at the outer end of the baffle, which is perpendicular to the baffle. The end of the first fixing piece away from the baffle is arc-shaped and forms a first slot for locking onto the crossbar. The second fixing structure includes a plurality of second fixing pieces disposed at the inner end of the baffle, which are perpendicular to the baffle. The end of the second fixing piece away from the baffle is arc-shaped and forms a second slot for locking onto the crossbar. The slot opening direction of the first slot is opposite to the slot opening direction of the second slot.

[0018] In this invention, by securing the first and second slots to their respective crossbars, the baffle can be detachably installed on the shelf, allowing for flexible adjustment of its position as needed. During installation, the crossbar corresponding to the first slot is inserted into it from above, at which point the first slot provides support from below, exerting an upward force on the crossbar. Then, the crossbar corresponding to the second slot is pushed into it from below, at which point the second slot presses against the crossbar from above, exerting a downward force. The upward and downward forces act on the corresponding crossbars, and the first and second slots constrain the crossbars from both directions, reducing the likelihood of the crossbars detaching from the slots. Furthermore, the balance between the upward and downward forces reduces the risk of the baffle tilting, ensuring the stability of the connection between the baffle and the shelf, and consequently, the stability of the sterilization process.

[0019] 6) The modified hydrogen peroxide plasma sterilization rack according to 1), wherein: The bottom of the baffle has an operating port for easy hand operation.

[0020] In this invention, when it is necessary to move the shelf, the operator can put their hand into the operating port at the bottom of the baffle, and then directly grasp the frame of the shelf to move it; the operating port provides ample space for the hand to accommodate and apply force, which significantly improves the convenience of moving the shelf.

[0021] Compared with the prior art, this utility model also has the following technical effects: This invention features a limiting block on the shelf for placing packaged medical devices. The limiting block is made of high-performance silicone material that is resistant to hydrogen peroxide corrosion. Friction is generated between the limiting block and the packaged medical devices. Compared with the prior art, this invention can reduce the displacement of the limiting block during sterilization.

[0022] Secondly, by setting baffles at the outer end of the shelf, packaged medical devices that break through the constraint of the limit block can be prevented from sliding to the outside of the shelf, preventing packaged medical devices from blocking the ultraviolet light emitted by the ultraviolet emitting lamp, thereby ensuring the accuracy of the hydrogen peroxide concentration value, and thus ensuring that medical devices can be sterilized in a timely manner, ensuring the normal supply of medical devices. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the improved hydrogen peroxide plasma sterilization rack of this utility model.

[0024] Figure 2 This is a schematic diagram of the baffle in the improved hydrogen peroxide plasma sterilization rack of this utility model.

[0025] Figure 3 This is a schematic diagram of the limiting block in the improved hydrogen peroxide plasma sterilization rack of this utility model. Detailed Implementation

[0026] The following detailed description illustrates the specific implementation method: The reference numerals in the accompanying drawings include: 1. Limiting block; 2. Baffle; 3. Horizontal bar; 4. Vertical bar; 5. Inclination adjustment groove; 6. Protrusion; 7. First fixing piece; 8. First slot; 9. Second fixing piece; 10. Second slot; 11. Operating port.

[0027] See the example. Figure 1 and Figure 3 As shown, the improved hydrogen peroxide plasma sterilization rack in this embodiment includes a rack that can be detachably installed inside the sterilization chamber of a hydrogen peroxide low-temperature plasma sterilizer. The rack includes several welded and intersecting horizontal bars 3 and vertical bars 4. An installation area for installing limiting blocks is formed between two adjacent vertical bars 4 on the horizontal bars 3. It also includes several limiting blocks 1 installed on the rack. The limiting blocks 1 are made of high-performance silicone material that is resistant to hydrogen peroxide corrosion. The bottom of the limiting block 1 has an angle adjustment slot 5 for locking onto the horizontal bar 3. The position of each limiting block 1 corresponds to an installation area. The limiting block 1 can swing around the angle adjustment slot. The top surface of the limiting block 1 is evenly distributed with several wavy protrusions 6. The limiting block 1 and the protrusions 6 are integrally formed.

[0028] See Figure 2As shown, a baffle 2 is detachably connected to the outer end of the shelf. A first fixing piece 7 is connected to one side of the bottom of the baffle 2. The baffle 2 and the first fixing piece 7 are integrally formed. The end of the first fixing piece 7 away from the baffle 2 is arc-shaped and forms a first slot 8 for locking upward on the corresponding crossbar 3. A second fixing piece 9 is connected to the other side of the bottom of the baffle 2. The baffle 2 and the second fixing piece 9 are integrally formed. The end of the second fixing piece 9 away from the baffle 2 is arc-shaped and forms a second slot 10 for locking downward on the corresponding crossbar 3. The slot opening direction of the first slot 8 is opposite to the slot opening direction of the second slot 10. An operating opening 11 for the operator's hand to reach into is opened at the bottom of the baffle 2.

[0029] The implementation process of this embodiment is as follows: First, the baffle 2 is installed at the outer end of the shelf: the first slot 8 is engaged from top to bottom with the corresponding crossbar 3, supporting the crossbar 3 from the bottom and generating an upward force; then, the second slot 10 is engaged from bottom to top with another corresponding crossbar 3, pressing the crossbar 3 from above and applying a downward force. The first slot 8 and the second slot 10, by applying opposite forces to the corresponding crossbar 3, form a bidirectional constraint on the shelf, effectively preventing the crossbar 3 from detaching and reducing the possibility of the baffle 2 tilting, thus ensuring the stability of the connection between the baffle 2 and the shelf. Installing the baffle 2 at the outer end of the shelf prevents packaged medical devices from sliding outwards and from blocking the ultraviolet light emitted by the ultraviolet lamp, thereby achieving timely sterilization and stable supply of medical devices.

[0030] Next, install and adjust the limiting block 1: Align the tilt adjustment groove 5 at the bottom of the limiting block 1 with the crossbar 3, and press down the limiting block 1 so that the crossbar 3 extends into the groove. After placing the packaged medical device on the limiting block 1, swing the limiting block 1 around the tilt adjustment groove 5 to adjust the tilt angle of the top surface of the limiting block 1, so that the top surface of the limiting block 1 fully contacts the bottom surface of the packaged medical device, increasing the contact area and thus enhancing the friction, effectively suppressing the displacement of the packaged medical device in a vibrating environment.

[0031] The above are merely embodiments of this utility model. Commonly known technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application shall be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. An improved hydrogen peroxide plasma sterilization rack, comprising a rack detachably installed within the sterilization chamber of a hydrogen peroxide low-temperature plasma sterilizer, characterized in that, The shelf is provided with several limiting blocks for placing packaged medical devices. The limiting blocks are made of elastic anti-slip material, and the outer end of the shelf is provided with a baffle.

2. The improved hydrogen peroxide plasma sterilization rack according to claim 1, characterized in that: The limiting block is made of high-performance silicone material that is resistant to hydrogen peroxide corrosion.

3. The improved hydrogen peroxide plasma sterilization rack according to claim 1, characterized in that: The shelf includes a mesh-like frame, which includes several intersecting horizontal and vertical bars. An installation area for mounting a limiting block is formed between two adjacent vertical bars on the horizontal bars. The position of the limiting block corresponds to an installation area. The bottom of the limiting block has an angle adjustment slot for locking onto the horizontal bar. The limiting block can swing around the angle adjustment slot.

4. The improved hydrogen peroxide plasma sterilization rack according to claim 1, characterized in that: The top surface of the limiting block has several protrusions evenly distributed, and the cross-section of the protrusions is wavy.

5. The improved hydrogen peroxide plasma sterilization rack according to claim 3, characterized in that: The bottom sides of the baffle are respectively provided with a first fixing structure for locking upwards onto the crossbar and a second fixing structure for locking downwards onto the crossbar. The first fixing structure includes a first fixing piece disposed at the outer end of the baffle, which is perpendicular to the baffle. The end of the first fixing piece away from the baffle is arc-shaped and forms a first slot for locking onto the crossbar. The second fixing structure includes a plurality of second fixing pieces disposed at the inner end of the baffle, which are perpendicular to the baffle. The end of the second fixing piece away from the baffle is arc-shaped and forms a second slot for locking onto the crossbar. The slot opening direction of the first slot is opposite to the slot opening direction of the second slot.

6. The improved hydrogen peroxide plasma sterilization rack according to claim 1, characterized in that: The bottom of the baffle has an operating port for easy hand operation.

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