Plasma sterilization bag applicable to disinfection of medical apparatus and instruments and use method of plasma sterilization bag

A technology of plasma and medical equipment, applied in the field of plasma sterilization bags, can solve the problems of secondary pollution and achieve the effect of stable discharge, low power consumption, and high-efficiency sterilization

Pending Publication Date: 2022-04-15
NANJING UNIV OF TECH
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AI-Extracted Technical Summary

Problems solved by technology

There are many deficiencies and defects in these sterilization met...
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Method used

After the sterilization finishes, turn off the power supply, disconnect the power supply interface of the high and low voltage ends, rotate the protective cover to close the power supply interface 2, pull back the toothless zipper, and the object to be processed can be taken out. Since the sterilization bag is always in a sealed environment from the beginning to the end of the sterilization process, the sterilized medical devices can be placed in the sterilization bag for a long time, which can ensure that there will be no secondary pollution during transportation. secondary infection
As shown in Figure 2, the both sides of described flexible electrode 1 are provided with female button, are respectively the first female button 107, the second female button 108, the first female button 107, the second female button 108 penetrate respectively The first metal electrode 102 and the second metal electrode 104 , the metal snap button 3 is provided with a male button 204 , and the male button 204 is connected to the female button 107 . Through the design of the metal snap button 3, the flexible electrode can be easily and conveniently fixed in the sealed bag.
As shown in Figure 7 and Figure 8, flexible electrode 1 adopts three-electrode structure, and the first metal electrode 102 is a high-voltage metal electrode, is connected with the high-voltage end of power supply, and the second metal electrode 104 and copper sheet 105 form low-voltage meta...
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Abstract

The invention provides a plasma sterilization bag suitable for disinfection of medical instruments and a use method, each flexible electrode is fixed on the inner side of a sealing bag through two groups of metal snap fasteners, and a power interface penetrates through the sealing bag and is connected with the metal snap fasteners; the flexible electrode comprises a first insulating medium, a first metal electrode, a second metal electrode, a second insulating medium, a copper sheet and a third insulating medium which are connected in sequence, the first metal electrode is a high-voltage metal electrode, the second metal electrode and the copper sheet form a low-voltage metal electrode, and high-voltage metal strips and low-voltage metal strips are uniformly arranged in a staggered manner; and the copper sheets cover the staggered parts of the high-voltage metal strips and the low-voltage metal strips. The plasma sterilization bag provided by the invention has the characteristics of sealing and portability, and can realize efficient sterilization of medical instruments in different scenes. And the sterilization process is in a sealed environment all the time, so that secondary infection cannot be caused in the transportation process of the medical equipment after the sterilization is finished.

Application Domain

Lavatory sanitoryDisinfection +1

Technology Topic

Composite materialBiomedical engineering +7

Image

  • Plasma sterilization bag applicable to disinfection of medical apparatus and instruments and use method of plasma sterilization bag
  • Plasma sterilization bag applicable to disinfection of medical apparatus and instruments and use method of plasma sterilization bag
  • Plasma sterilization bag applicable to disinfection of medical apparatus and instruments and use method of plasma sterilization bag

Examples

  • Experimental program(1)

Example Embodiment

[0035] The invention will be described in detail below with reference to the accompanying drawings and examples.
[0036] Such as figure 1 As shown, including the sealing bag 4 and at least one flexible electrode 1, each of the flexible electrodes 1 is fixed to the inner side of the sealing bag 4 by two sets of metal, and the metal plate is fixed to the inner side, one end and the flexible electrode 1 connection. The power supply interface 2 is connected to the metal plate 4 through the copper wire through the sealing bag 4 and the metal is buckled 3.
[0037] In one embodiment, the material of the sealing bag 4 is low density polyethylene.
[0038] In one embodiment, the flexible electrode 1 is 2.
[0039] Such as image 3 As shown, the flexible electrode 1 includes a first insulating medium 101, a first metal electrode 102, a second metal electrode 104, a second insulating medium 103, a copper sheet 105, and a third insulating medium 106, and the first insulation. The medium 101, the second insulating medium 103, and the third insulative medium 106 are identified, and the material is polyimide.
[0040] Such as Figure 7 andFigure 8 As shown, the flexible electrode 1 employs a three-electrode structure, and the first metal electrode 102 is a high pressure metal electrode, and the second metal electrode 104 and the copper sheet 105 constitute a low pressure metal electrode, connected to the low pressure end of the power source, and high pressure metal. Between the strips 1021 and the low pressure metal strip 1041, each high pressure metal strip 1021 is provided between the two low pressure metal strips 1041, and the high pressure metal strip 1021 and the low pressure metal strip 1041 are always kept parallel to each other. This is a key copper piece 105 that is uniformly discharged from the flexible plasma device to cover the high voltage metal strip 1021 and the low pressure metal strip 1041. The breakdown voltage of the flexible electrode is lowered by the flexible electrode structure of the three-electrode, and therefore discharge can be achieved in a very compact plasma reactor, and the temperature of the reactor can be effectively reduced. Such as Figure 9 As shown, it is a three-electrode structure temperature change.
[0041] Such as figure 2 Design, the two sides of the flexible electrode 1 is provided, respectively, the first female buckle 107, the second female buckle 108, the first female buckle 107, and the second female buckle 108 penetrate the first metal electrode 102, respectively. The second metal electrode 104 is provided with a non-buduated 204 on the metal plate 3, the male buckle 204 and the female buckle 107. By designing the metal buckle 3, the flexible electrode can be easily conveniently fixed in the sealing bag.
[0042] Such as Figure 4 and Figure 5 As shown, the power interface 2 includes a circular protective cover 201, a cylindrical insulating plastic 202, a metal male interface 203, in one embodiment, and the circular protective cover 201 is fixed to the cylindrical insulating plastic 202, which can be rotated. The circular protective cover is covered to protect the metal male interface 203. The other end of the metal male member 203 is connected to the metal press buckle 204, and the exposed metal portion passes through the sealed bag 4. The structure of the power interface 2 allows the sterilization process to maintain a sealed environment before and after the sterilization process, and it can be guaranteed that the medical device does not have secondary infection during the transportation process.
[0043] Such as Image 6 As shown, the metal pressing 3 includes a plurality of metal buckle units, and the metal buckle unit is connected by a copper strip 303. In one embodiment, the metal is buckled, including three metal buckle units, respectively, the first metal buckle unit 301, the second metal buckle unit 304, and the third metal buckle unit 305, and by multiple metal buckle units, It is very convenient to achieve replacement of flexible electrodes of different sizes and lengths.
[0044] In the case of a plurality of flexible electrodes 1, in order to more conveniently energize, in one embodiment, two metal wires 5 are further included, each metal wire 5 is connected to a metal buckle 3 on the side of the flexible electrode 1.
[0045] In one embodiment, the sealing bag 4 is 400mm to 550 mm, width 300mm to 450 mm, thickness of 1 mm to 2.5 mm; the flexible electrode 1 is 80 mm to 120 mm, width of 50 mm to 75 mm, and the thickness is 1 mm to 1.5 mm. The bending angle is 0 ° ~ 180; the three insulating media are 50mm ~ 75mm long, the thickness is 0.1mm ~ 0.5mm; the metal male interface 203 is 1 mm ~ 2.5mm; the copper belt 303 length 60mm ~ 100mm, width 10mm ~ 20mm, thickness of 0.1mm ~ 0.5mm; each metal is 5mm to 30 mm, each of the two units is 5 mm to 10 mm; the high pressure metal strip 1021 length is 30mm to 60 mm, the width is 0.2 MM ~ 1mm, both the thickness of 0.1 mm to 0.5 mm, the spacing between the two high pressure metal strips is 3 mm to 4 mm. The low pressure metal strip 1041 is 30 mm to 60 mm, the width is 0.2mm to 1 mm, the thickness is 0.1 mm ~ 0.5mm, and the spacing between the two low pressure metal strips is 1.5mm to 2 mm; the copper sheet 105 is 30 mm. ~ 60mm, the width is 50mm ~ 75mm, the thickness is 0.1 mm ~ 0.5mm.
[0046] The present invention also provides a method of using the plasma sterilization bag suitable for use in medical devices, such as Figure 11 As shown in normal operation, the sterilization bag is required to attach the first dielectric level of the flexible electrode 1 to the inner plane of the sealing bag (4), and the third medium layer is fitted (4), such as Figure 10 As shown, the flexible electrode 1 of different size sizes can be replaced by the metal button 3 according to the size of the treated object. At the same time, the medical device that needs to be treated is simply cleaned to remove the sludge blood stains. No need to dry, pull the unintel with a sterilized bag, and will need a sterilized instrument into the sterilization bag, this is closed, this The inside of the sterilization bag is in a sealed environment. The rotation opens the protective cover of the power interface 2, the high voltage of the power supply is connected to the power supply interface of the first metal electrode 102, and the low voltage of the power source is connected to the second metal electrode 104 is connected. Turn on the power supply to supply the plasma sterilization unit to produce a low temperature plasma on the surface of the flexible electrode.
[0047] After sterilization, turn off the power, disconnect the power interface of the high and low voltage terminal, the rotary protective cover turns off the power interface 2, pulls the free tooth pull, and remove the processed object. Since the sterilization treatment starts to the end, the sterilization bag is always in a sealed environment, and the drug-treated medical device can be placed in a sterilized bag for a long time, and it is possible to ensure that the second is not caused during transportation. Secondary infection.

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Description & Claims & Application Information

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