Hydrogen peroxide sterilization chemical verification device with multiple detection positions

Abstract

The utility model discloses a hydrogen peroxide sterilization chemical verification device with multiple detection positions and belongs to the technical field of medical instruments. Which comprises a substrate (2), a resistance pipe is arranged on the surface of the substrate (2), one end of the resistance pipe is communicated with the outside, the other end of the resistance pipe is connected with detection positions, and chemical indicator cards are arranged in the detection positions, and is characterized in that a plurality of detection positions are arranged on the surface of the substrate (2), and the resistance pipe is simultaneously connected with the plurality of detection positions which are arranged at intervals on an extension path of the resistance pipe. According to the hydrogen peroxide sterilization chemical verification device with the multiple detection positions, the multiple spaced detection positions are arranged in the resistance pipe, and the sterilization effects of different sterilization procedures can be verified at the same time, so that the hydrogen peroxide sterilization chemical verification device can meet the requirements of different scenes. The upper shell and the lower shell are made of transparent materials, so that the detection position is designed visually, and the sterilization effect can be judged more visually.

Description

Technical Field

[0001] A multi-detection hydrogen peroxide sterilization chemical verification device belongs to the field of medical device technology. Background Technology

[0002] Hydrogen peroxide sterilizers are a common type of sterilization equipment. Their principle is to use the strong oxidizing properties of hydrogen peroxide, either vaporized or combined with plasma technology, to destroy the cell structure of microorganisms, achieving highly efficient low-temperature sterilization of pathogens such as bacteria, spores, viruses, and fungi. Hydrogen peroxide sterilizers are particularly suitable for sterilization needs in areas such as medical devices, laboratory equipment, and biosafety protection that cannot withstand high temperatures and pressures. After sterilizing used medical devices, it is necessary to verify their sterilization effectiveness. Currently, a common method is to sterilize a verification device along with the medical device, and then observe the verification device to indirectly determine the sterilization effect of the medical device. This is especially important for tubular instruments (such as endoscopes, laparoscopes, and other long tubes) due to their inherent structural characteristics.

[0003] In the prior art, sterilization verification devices for the sterilization effect of tubular instruments generally consist of a tubular structure simulating the tubular instrument, with a detection position set within the tubular structure. Examples include the technical solution described in Chinese Utility Model Patent Application No. 200920112831.2, filed on January 15, 2009, entitled "Verification Device for the Effect of Hydrogen Peroxide Ionization Sterilization Equipment"; and Application No. 201720305151.7, filed on March 27, 2017, entitled "Low-Temperature Hydrogen Peroxide Plasma". The technical solution described in the Chinese utility model patent for "Sterilizer Load Tester"; the technical solution described in the Chinese utility model patent with application number 201921513422.3, application date September 11, 2019, entitled "A Hydrogen Peroxide Plasma Lumen Biological Sterilization Verification Device"; and the technical solution described in the Chinese utility model patent (application number 202420853927.9) filed by the applicant on April 23, 2024, entitled "Visualized Hydrogen Peroxide Sterilization Verification Device".

[0004] However, in existing technologies, including the applicant's technical solution, hydrogen peroxide chemical verification devices mostly employ a single detection position design, which cannot verify the sterilization effect of different procedures. If the lumen of the chemical verification device is too short, there is a risk that it will be impossible to monitor whether the sterilizing agent has reached the depth of the lumen of complex medical devices (such as endoscopes, laparoscopes, and other long-lumen instruments) during sterilization. If the lumen of the chemical verification device is too long, the indicator inside the chemical verification device may not change color normally during the sterilization of medium-length lumen instruments, resulting in monitoring failure. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a multi-detection hydrogen peroxide sterilization chemical verification device that can simultaneously verify the sterilization effect of different sterilization programs by setting multiple spaced detection positions in the resistance tube, so as to adapt to the needs of different scenarios.

[0006] The technical solution adopted by this utility model to solve its technical problem is: the multi-detection hydrogen peroxide sterilization chemical verification device includes a substrate, a resistance tube is provided on the surface of the substrate, one end of the resistance tube is connected to the outside, and the other end is connected to the detection position, and a chemical indicator card is provided in the detection position. The feature is that: multiple detection positions are provided on the surface of the substrate, and the resistance tube is connected to multiple detection positions arranged at intervals along the extension path of the resistance tube.

[0007] Preferably, the detection positions include a central detection position located in the middle of the resistance tube and an end detection position located in the resistance tube module.

[0008] Preferably, there are multiple resistance tubes: a first resistance tube and a second resistance tube. A first middle detection position is provided in the middle of the first resistance tube, and a second middle detection position is provided in the middle of the second resistance tube. The ends of the first resistance tube and the second resistance tube are respectively connected to the end detection positions.

[0009] Preferably, the substrate includes an upper shell and a lower shell that are sequentially bonded together, and a chamber is provided protruding on the surface of the upper shell and the lower shell, with the chamber on the surface of the upper shell and the lower shell forming corresponding detection positions.

[0010] Preferably, the substrate includes an upper shell and a lower shell that are sequentially bonded together, and a chamber is provided protruding from the surface of the upper shell or the lower shell, and the chamber on the surface of the upper shell or the lower shell forms a corresponding detection position.

[0011] Preferably, a partition is provided between the upper shell and the lower shell, and a through hole corresponding to the detection position is provided on the partition.

[0012] Preferably, the first resistance tube and the second resistance tube extend from one end of the substrate along the length of the substrate to the other end.

[0013] Preferably, the first resistance tube and the second resistance tube are arranged back and forth along the width direction of the substrate during the extension of the first resistance tube along the length direction of the substrate, and are interleaved with each other.

[0014] Preferably, a groove is formed on the surface of the upper or lower shell to form a resistance tube.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] In this multi-detection hydrogen peroxide sterilization chemical verification device, by setting multiple spaced detection positions in the resistance tube, the sterilization effect of different sterilization procedures can be verified simultaneously to adapt to different scenario needs.

[0017] By using transparent materials for both the upper and lower shells, the detection area is made visible, allowing for a more intuitive assessment of the sterilization effect. Attached Figure Description

[0018] Figure 1 This is a front view of a multi-detection hydrogen peroxide sterilization chemical validation device.

[0019] Figure 2 This is a front view of the partition of the multi-detection hydrogen peroxide sterilization chemical verification device.

[0020] Figure 3 for Figure 1 Sectional view along the AA direction.

[0021] Among them: 1. End detection position; 2. Substrate; 3. First resistance tube; 4. Second resistance tube; 5. First middle detection position; 6. Second middle detection position; 7. Partition; 8. End through hole; 9. First middle through hole; 10. Second middle through hole; 11. First groove; 12. Second groove; 13. Upper shell; 14. Lower shell. Detailed Implementation

[0022] Figures 1-3 This is the preferred embodiment of the present invention, which is described below in conjunction with the appendix. Figures 1-3 The present invention will be further described below.

[0023] Example 1:

[0024] like Figure 1 As shown, a multi-detection hydrogen peroxide sterilization chemical verification device (hereinafter referred to as the verification device) includes a substrate 2, which has a rectangular structure. Two resistance tubes are arranged on the surface of the substrate 2: a first resistance tube 3 and a second resistance tube 4. The first resistance tube 3 and the second resistance tube 4 extend from one end of the substrate 2 to the other end of the substrate 2 along the length direction of the substrate 2.

[0025] During the extension of the first resistance tube 3 and the second resistance tube 4 along the length direction of the substrate 2, they are arranged back and forth along the width direction of the substrate 2, and the first resistance tube 3 and the second resistance tube 4 are interleaved during the back and forth arrangement along the width direction of the substrate 2.

[0026] The openings of the first resistance tube 3 and the second resistance tube 4 are located at the same end of the substrate 2 and are both connected to the outside. The ends of the first resistance tube 3 and the second resistance tube 4 are arranged opposite each other after extending to the other end of the substrate 2.

[0027] Three detection positions are also provided on the surface of the substrate 2: end detection position 1, first middle detection position 5 and second middle detection position 6, wherein the end detection position 1 is located between the ends of the first resistance tube 3 and the second resistance tube 4, and the ends of the first resistance tube 3 and the second resistance tube 4 are respectively connected to the inner cavity of the end detection position 1 from both sides.

[0028] In this embodiment, the first middle detection position 5 is located in the middle of the first resistance tube 3 (at 1 / 2 of the total length of the first resistance tube 3), and the first resistance tube 3 passes through the first middle detection position 5. The second middle detection position 6 is located in the middle of the second resistance tube 4 (at 1 / 2 of the total length of the second resistance tube 4), and the second resistance tube 4 passes through the second middle detection position 6. The end detection position 1, the first middle detection position 5, and the second middle detection position 6 are all transparent structures, and a chemical indicator card is disposed within each of them.

[0029] Combination Figures 2-3 The substrate 2 includes an upper shell 13, a partition 7, and a lower shell 14 that are sequentially bonded together. Both the upper shell 13 and the lower shell 14 are made of transparent material. Raised compartments are provided on the surfaces of both the upper shell 13 and the lower shell 14. The compartments on the surface of the upper shell 13 correspond to the positions of the end detection position 1, the first middle detection position 5, and the second middle detection position 6, respectively. The compartments on the surface of the lower shell 14 also correspond to the positions of the end detection position 1, the first middle detection position 5, and the second middle detection position 6, respectively.

[0030] An end through hole 8, a first middle through hole 9, and a second middle through hole 10 are provided on the surface of the partition 7. The positions of the end through hole 8, the first middle through hole 9, and the second middle through hole 10 correspond to the positions of the end detection position 1, the first middle detection position 5, and the second middle detection position 6, respectively.

[0031] After the upper shell 13, partition 7, and lower shell 14 are attached and fixed, the two compartments with corresponding positions on the surfaces of the upper shell 13 and lower shell 14 are connected into one unit through the end through hole 8 to form the end detection position 1; the two compartments with corresponding positions on the surfaces of the upper shell 13 and lower shell 14 are connected into one unit through the first middle through hole 9 to form the first middle detection position 5; and the two compartments with corresponding positions on the surfaces of the upper shell 13 and lower shell 14 are connected into one unit through the second middle through hole 10 to form the second middle detection position 6. Before attaching and fixing the upper shell 13, partition 7, and lower shell 14, the chemical indicator card is first placed into the corresponding compartment.

[0032] Two grooves are also provided on the inner surface of the upper shell 13 (or lower shell 14): the first groove 11 and the second groove 12. After the upper shell 13, the partition 7 and the lower shell 14 are attached and fixed, the first resistance tube 3 and the second resistance tube 4 mentioned above are formed.

[0033] The specific working process and working principle are as follows:

[0034] When sterilizing tubular instruments, the instruments and this validation device are placed together in the sterilizer for sterilization. After sterilization, the sterilization effect is validated based on the indications of the chemical indicator cards in the end detection position 1, the first middle detection position 5, and the second middle detection position 6. The first middle detection position 5 and the second middle detection position 6 are used to monitor the flexible endoscope procedure for short tubular instruments, while the end detection position 1 is used to monitor the standard procedure for long tubular instruments. When the chemical indicator cards in the first middle detection position 5 and the second middle detection position 6 show abnormal color changes, it serves as an early warning function, requiring investigation of potential equipment malfunctions.

[0035] Example 2:

[0036] The difference between this embodiment and embodiment 1 is that the positions of the first middle detection position 5 and the second middle detection position 6 are different. For example, the first middle detection position 5 is set in the first resistance tube 3 at 1 / 3 of the distance from the opening of the first resistance tube 3; or / and the second middle detection position 6 is set in the second resistance tube 4 at 1 / 3 of the distance from the end of the second resistance tube 4.

[0037] Example 3:

[0038] The difference between this embodiment and embodiment 1 is that the chamber forming the detection position can be provided only on the surface of the upper shell 13 or the lower shell 14.

[0039] Example 4:

[0040] The difference between this embodiment and embodiment 3 is that: in this embodiment, the partition 7 is omitted, the substrate 2 includes an upper shell 13 and a lower shell 14 that are attached and fixed, a chamber for forming a detection position is arranged on the surface of the upper shell 13 (or the lower shell 14), and a first resistance tube 3 and a second resistance tube 4 are formed on the corresponding inner end faces through the first groove 11 and the second groove 12, respectively.

[0041] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. A multi-detection hydrogen peroxide sterilization chemical verification device, comprising a substrate (2), a resistance tube disposed on the surface of the substrate (2), one end of the resistance tube communicating with the outside and the other end connected to a detection position, and a chemical indicator card disposed within the detection position, characterized in that: Multiple detection positions are provided on the surface of the substrate (2), and the resistance tube is connected to multiple detection positions at intervals along the extension path of the resistance tube.

2. The multi-detection hydrogen peroxide sterilization chemical verification device according to claim 1, characterized in that: The detection positions include a middle detection position located in the middle of the resistance tube and an end detection position located in the resistance tube module (1).

3. The multi-detection hydrogen peroxide sterilization chemical verification device according to claim 2, characterized in that: There are multiple resistance tubes: a first resistance tube (3) and a second resistance tube (4). A first middle detection position (5) is set in the middle of the first resistance tube (3), and a second middle detection position (6) is set in the middle of the second resistance tube (4). The ends of the first resistance tube (3) and the second resistance tube (4) are respectively connected to the end detection position (1).

4. The multi-detection hydrogen peroxide sterilization chemical verification device according to claim 1, characterized in that: The substrate (2) includes an upper shell (13) and a lower shell (14) that are bonded together in sequence. A compartment is provided protruding on the surface of the upper shell (13) and the lower shell (14), and the compartments on the surface of the upper shell (13) and the lower shell (14) form corresponding detection positions.

5. The multi-detection hydrogen peroxide sterilization chemical verification device according to claim 1, characterized in that: The substrate (2) includes an upper shell (13) and a lower shell (14) that are bonded together in sequence. A compartment is provided protruding on the surface of the upper shell (13) or the lower shell (14), and the compartment on the surface of the upper shell (13) or the lower shell (14) forms a corresponding detection position.

6. The multi-detection hydrogen peroxide sterilization chemical verification device according to claim 4 or 5, characterized in that: A partition (7) is provided between the upper shell (13) and the lower shell (14), and a through hole corresponding to the detection position is provided on the partition (7).

7. The multi-detection hydrogen peroxide sterilization chemical verification device according to claim 3, characterized in that: The first resistance tube (3) and the second resistance tube (4) extend from one end of the substrate (2) along the length direction of the substrate (2) to the other end.

8. The multi-detection hydrogen peroxide sterilization chemical verification device according to claim 7, characterized in that: During the extension of the first resistance tube (3) and the second resistance tube (4) along the length direction of the substrate (2), they are arranged back and forth along the width direction of the substrate (2) and intersect each other.

9. The multi-detection hydrogen peroxide sterilization chemical verification device according to claim 4 or 5, characterized in that: Grooves are formed on the surface of the upper shell (13) or the lower shell (14) to form a resistance tube.

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