CN212817643U - Air plasma generating device and medical equipment with same - Google Patents

Abstract

The utility model provides an air plasma generating device and have its medical equipment. An air plasma generating device comprising: the first end of the dielectric layer is connected with the shell, the end part of the second end of the dielectric layer forms a working end and is exposed in the air, and at least part of the electrode part is positioned in the dielectric layer; the conducting part is connected with the shell and is used for controlling the electrode part to be connected with or disconnected from the dielectric layer; when the electrode part is conducted with the power supply, high-voltage current generated by the electrode part acts on the working end, so that the outer surface of the working end forms a plasma source for sterilization. The air plasma generating device is convenient to carry and high in practicability due to the arrangement. The air plasma generating device has simple structure and small volume.

Description

Air plasma generating device and medical equipment with same

Technical Field

The utility model relates to a plasma generating device equipment technical field particularly, relates to an air plasma generating device and have its medical equipment.

Background

The utility model discloses an integrative device of portable atmosphere glow discharge plasma efflux and electrostatic spinning, this utility model select plasma fluidic device, and the steel needle stimulates the air discharge under the high voltage effect, produces cold air plasma efflux, carries out disinfection treatment to the wound surface of a wound. By using the electrostatic spinning device, the key is pressed by hand, so that the treated AgNO3/PAN electrostatic spinning solution generates electrostatic spinning under the action of high voltage to coat the wound surface. The equipment is structurally integrated, but needs a gas circuit to work, and is large in size and not strong in expansibility. The utility model discloses a still disclose a method based on atmospheric pressure low temperature plasma activation solution inactivation virus among the prior art, this utility model adopts the method of atmospheric pressure low temperature plasma activation solution processing virus, can reach the effect of effective inactivation virus, and is nontoxic, activate free, free from extraneous odour, effectively avoids the problem of the environmental pollution that chemical agents such as formaldehyde inactivated virus left over, nevertheless in this utility model production plasma need puncture gas with the help of inertia or single easily, and the device volume is great, and manufacturing cost is very high. There is also disclosed in the prior art a sterilization apparatus using electric discharge. The utility model discloses an utilize surface plasma activation droplet, can realize stronger degerming effect and harmful substance's suppression simultaneously. However, the utility model needs an additional device for generating liquid drops, and the whole volume is larger.

In summary, the plasma device for sterilization and disinfection is huge in the biomedical field at present, and cannot be popularized and applied. Portability, low cost and safety are several difficulties in plasma biomedicine.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide an air plasma generating device and have its medical equipment to solve the big difficult problem of carrying of plasma device of disinfecting among the prior art.

In order to achieve the above object, according to one aspect of the present invention, there is provided an air plasma generating apparatus comprising: a housing; the electrode part is arranged in the shell; the first end of the dielectric layer is connected with the shell, the end part of the second end of the dielectric layer forms a working end and is exposed in the air, and at least part of the electrode part is positioned in the dielectric layer; the conducting part is connected with the shell and is used for controlling the electrode part to be connected with or disconnected from the dielectric layer; when the electrode part is conducted with the power supply, high-voltage current generated by the electrode part acts on the working end, so that the outer surface of the working end forms a plasma source for sterilization.

Further, the working end is exposed to a gas under standard conditions.

Further, the dielectric layer includes: the dielectric layer main body is of a barrel-shaped structure with one open end, the open end of the dielectric layer main body is located at the first end of the dielectric layer main body, the outer surface of the bottom of the barrel-shaped structure forms a working surface of a working end, and the dielectric layer main body is connected with the shell through the open end.

Further, a thread structure is arranged on the inner circumferential surface of the opening end.

Further, the inner diameter of the second end of the medium layer body is gradually reduced along the direction from the first end to the second end of the medium layer body to form a tapered hole.

Furthermore, one end of the electrode part extends into the conical hole and is arranged in a matched mode.

Further, the conduction part includes a control switch, and the air plasma generating apparatus further includes: the energy storage module is arranged in the shell and is a storage battery, the energy storage module forms a power supply, and the control switch is communicated with the energy storage module through the large-diameter end.

Further, the control switch is connected with the shell, the control switch is provided with an opening position and a closing position, the electrode part is conducted with the energy storage module when the control switch is located at the opening position, and the electrode part is disconnected with the energy storage module when the control switch is located at the closing position.

Further, the control switch includes: the conductive spring is sleeved on the small-diameter end; the conductive elastic sheet is arranged adjacent to the conductive spring; the key switch is movably connected with the shell and is abutted against the conductive elastic sheet, and the conductive elastic sheet can be positioned at an opening position or a closing position by pressing the key switch.

Further, the air plasma generating apparatus further includes: the transformer is arranged on the shell, the output end of the transformer is electrically connected with the conductive elastic sheet, and the input end of the transformer is electrically connected with the energy storage module; and the boosting module is arranged in the shell and is electrically connected with the energy storage module.

Further, the electrode part is made of copper, tungsten or carbon fiber, and/or the dielectric layer is made of polytetrafluoroethylene or silicon rubber.

Further, a heat dissipation through hole is formed in the shell.

Further, the air plasma generating apparatus further includes: and the equipotential structure is connected with the medium layer.

Further, the shell has a gripping portion, and the equipotential structure includes: one end of the metal sheet is in contact with the medium layer, and the other end of the metal sheet is located at the holding part.

According to another aspect of the present invention, there is provided a medical apparatus, comprising an air plasma generating device, the air plasma generating device being the above air plasma generating device.

Use the technical scheme of the utility model, adopt this air plasma generating device for directly expose the dielectric layer in order to form the plasma source who plays the disinfection effect in the air, can reduce the gas loss cost, set up the dielectric layer simultaneously and can prevent effectively that the electrode portion from treating the injury that the target caused that disinfects, improved air plasma generating device's security. Meanwhile, the energy storage module is arranged in the shell, so that the power supply integrated design can be realized, and the air plasma generating device is more convenient and practical to carry. The air plasma generating device has simple structure and small volume.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of an air plasma generating device according to the present invention;

fig. 2 shows an exploded structural schematic view of an embodiment of an air plasma generating device according to the present invention;

fig. 3 shows a schematic diagram of an explosion structure of an embodiment of a dielectric layer and an electrode part according to the present invention.

Wherein the figures include the following reference numerals:

10. a housing; 11. a heat dissipating through hole;

20. an energy storage module;

30. an electrode section;

40. a dielectric layer; 41. a dielectric layer body;

50. a control switch; 51. a conductive spring; 52. a conductive spring plate; 53. a key switch;

60. a transformer;

70. and a boost module.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

Referring to fig. 1 to 3, according to an embodiment of the present application, there is provided an air plasma generating apparatus.

Specifically, as shown in fig. 1 and 2, the air plasma generating apparatus includes a housing 10, an electrode portion 30, a dielectric layer 40, and a conducting portion. The electrode portion 30 is provided in the housing 10. The first end of the dielectric layer 40 is connected with the shell 10, the end of the second end of the dielectric layer 40 forms a working end and is exposed in the air, and at least part of the electrode part 30 is positioned in the dielectric layer 40. The conductive portion is connected to the case 10, and the conductive portion is used to control the electrode portion 30 to be connected to or disconnected from the dielectric layer 40. When the electrode portion 30 is connected to the power supply, the high voltage generated by the electrode portion 30 acts on the working end, so that the outer surface of the working end forms a plasma source for sterilization.

In the embodiment, the air plasma generating device is adopted, so that the dielectric layer is directly exposed in the air to form a plasma source with a disinfecting and sterilizing effect, the gas loss cost can be reduced, meanwhile, the dielectric layer can effectively prevent the electrode part from damaging the target to be sterilized, and the safety of the air plasma generating device is improved. The air plasma generating device has simple structure and small volume. Wherein the target to be sterilized may be a human body.

Wherein the working end is exposed to the gas in the standard state. The dielectric barrier discharge in the form of the suspension electrode is adopted, standard-condition air is used as breakdown gas, the treatment area of the generated plasma source is not limited by the volume of the treated object, and the plasma source has the characteristics of safety, strong sterilization, proper gas temperature and the like, so that the air plasma generating device can be applied to clinical medical treatment, including anti-infection, wound treatment, hemostasis, skin disease treatment, tooth cleaning, skin beautifying and the like.

As shown in fig. 3, the dielectric layer 40 includes a dielectric layer body 41. The medium layer body 41 is a barrel-shaped structure with one open end, the open end of the medium layer body 41 is located at the first end of the medium layer body 41, the outer surface of the bottom of the barrel-shaped structure forms a working surface (as shown at C in fig. 3) of the working end, and the medium layer body 41 is connected with the casing 10 through the open end. A threaded structure (shown at B in fig. 3) is provided on the inner circumferential surface of the open end. The inner diameter of the second end of the dielectric layer body 41 is gradually reduced in a direction from the first end to the second end of the dielectric layer body 41 to form a tapered hole. One end (shown at a in fig. 3) of the electrode portion 30 is fittingly disposed to extend into the tapered hole. This arrangement can improve the connection stability of the dielectric layer 40.

The conducting part comprises a control switch 50, and the air plasma generating device further comprises an energy storage module 20. Energy storage module 20 sets up in casing 10, and energy storage module 20 is the battery, and energy storage module 20 forms the connection power of electrode portion 30, sets up energy storage module in the casing, can realize the power integration design for this air plasma generating device carries more conveniently, the practicality.

In order to improve the connection reliability between the electrode portion and the dielectric layer 40, the electrode portion 30 has a large diameter end and a small diameter end, the large diameter end is disposed in cooperation with the tapered hole, and the control switch 50 is conducted with the energy storage module 20 through the large diameter end.

As shown in fig. 2, the control switch 50 is connected to the housing 10, the control switch 50 has an open position and a closed position, the electrode portion 30 is connected to the energy storage module 20 when the control switch 50 is located at the open position, and the electrode portion 30 is disconnected from the energy storage module 20 when the control switch 50 is located at the closed position. The control switch 50 includes a conductive spring 51, a conductive dome 52, and a key switch 53. The conductive spring 51 is sleeved on the small diameter end. The conductive elastic piece 52 is disposed adjacent to the conductive spring 51. The key switch 53 is movably connected to the housing 10 and is abutted against the conductive elastic sheet 52, and pressing the key switch 53 can make the conductive elastic sheet 52 located at the open position or the closed position. By providing the push button switch 53, the energy storage module 20 can be properly conducted with the electrode portion 30 to form a plasma source on the outer surface of the dielectric layer 40. The arrangement can conveniently control the working state of the air plasma generating device.

Further, the air plasma generating apparatus further includes a transformer 60 and a boosting module 70. The transformer 60 is disposed in the housing 10, and an output end of the transformer 60 is electrically connected to the conductive elastic piece 52. The input terminal of the transformer 60 is electrically connected to the energy storage module 20. The boosting module 70 is disposed in the housing 10 and electrically connected to the energy storage module 20. The arrangement can ensure that the air plasma generating device has enough voltage to work, and the reliability of the air plasma generating device is improved. Wherein, energy storage module 20 can be the battery, sets up like this and makes and need not through external power supply when using air plasma generating device to disinfect the disinfection operation, only needs when the battery electric quantity is not enough, can reuse to the battery charging. The plasma generating device can also be provided with an electric quantity reminding module, and a user can intuitively know the electric quantity of the storage battery of the air plasma generating device through the electric quantity reminding module and also can use information such as time.

Preferably, the electrode part 30 is made of copper, tungsten or carbon fiber, and the dielectric layer 40 is made of teflon or silicon rubber. This arrangement can improve the reliability and sterilization efficiency of the air plasma generating apparatus.

In order to increase the service life of the air plasma generator, the housing 10 is provided with heat dissipating through holes 11.

The air plasma generating device in the above embodiment can also be used in the technical field of medical equipment, namely, according to the utility model discloses a further aspect provides a medical equipment, which comprises the air plasma generating device, and the air plasma generating device is the air plasma generating device in the above embodiment.

The integrated setting of structure and power will take place for this application, need not external power supply, need not to set up structure such as gas circuit alone, has reduced the manufacturing cost of this application effectively.

The plasma generating structure consists of a high-voltage electrode and a dielectric layer on the surface of the high-voltage electrode. The high voltage electrodes are made of a material with good electrical conductivity, for example copper, tungsten or carbon fibres. The dielectric layer is made of a material with corrosion resistance and strong electric charge collection capacity, such as polytetrafluoroethylene, silicon rubber and the like. The plasma is generated on the outer surface of the dielectric layer, and the thickness of the dielectric layer in the region is as thin as possible on the premise of ensuring enough strength so as to reduce the electric field intensity threshold of the plasma. The dielectric layer is in interference fit with the high-voltage electrode, and gaps are reduced.

The high-voltage connecting piece is connected with elastic objects such as a spring, an elastic sheet and the like, and the curvature of each part of the material is not too large, so that the element aging caused by corona discharge is avoided. The power supply module generates an alternating electric field to meet the dielectric barrier discharge requirement. The module consists of a transformer, a boosting module and an energy storage module and is positioned in the shell. The energy storage module outputs a voltage smaller than 100V, and after boosting, a voltage with the magnitude of kV is applied to the high-voltage electrode.

The material of the shell is PET, ABS and other good insulating materials. The shell is provided with holes for heat dissipation in the power module wrapping area. The surface of the shell has a certain friction rate or the shape of the shell is polygonal, so that the shell is convenient to hold. The shell is provided with a push switch. The plasma generation region acts on the object to be treated for the purpose of sterilization, disinfection, etc. The target area may be moved frequently to prevent burns from being treated too long.

In another embodiment of the present application, an equipotential structure can be added to the surface of the dielectric layer, and the equipotential structure is connected to the dielectric layer 40. Further, the housing 10 has a holding portion, and the equipotential structure includes a metal sheet, one end of which is in contact with the medium layer 40, and the other end of which is located at the holding portion, so that when an operator holds the holding portion on the housing, the hand is in contact with the metal sheet at the holding portion.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (16)

1. An air plasma generating apparatus, comprising:

a housing (10);

an electrode section (30), wherein the electrode section (30) is disposed within the housing (10);

the first end of the dielectric layer (40) is connected with the shell (10), the end part of the second end of the dielectric layer (40) forms a working end and is exposed in the air, and at least part of the electrode part (30) is positioned in the dielectric layer (40);

a conducting part connected with the shell (10), and used for controlling the electrode part (30) and the dielectric layer (40) to be conducted or disconnected;

when the electrode part (30) is conducted with a power supply, high-voltage current generated by the electrode part (30) acts on the working end, so that a plasma source for sterilization is formed on the outer surface of the working end.

2. The air plasma generating apparatus according to claim 1, wherein the working end is exposed to a gas under a standard condition.

3. An air plasma generating device according to claim 1 or 2, characterized in that said dielectric layer (40) comprises:

the dielectric layer main body (41) is of a barrel-shaped structure with one open end, the open end of the dielectric layer main body (41) is located at the first end of the dielectric layer main body (41), the outer surface of the bottom of the barrel-shaped structure forms a working surface of the working end, and the dielectric layer main body (41) is connected with the shell (10) through the open end.

4. An air plasma generating apparatus according to claim 3, wherein a thread structure is provided on an inner peripheral surface of the open end.

5. The air plasma generating apparatus according to claim 4, wherein an inner diameter of the second end of the dielectric layer main body (41) is gradually reduced in a direction from the first end to the second end of the dielectric layer main body (41) to form a tapered hole.

6. The air plasma generating apparatus according to claim 5, wherein one end of the electrode portion (30) is extended into the tapered hole and fittingly disposed.

7. The air plasma generating device according to claim 6, wherein the electrode portion (30) has a large diameter end and a small diameter end, the large diameter end being disposed in cooperation with the tapered hole.

8. The air plasma generating apparatus according to claim 7, wherein the conduction portion includes a control switch (50), the air plasma generating apparatus further comprising:

energy storage module (20), energy storage module (20) set up in casing (10), energy storage module (20) are the battery, energy storage module (20) form the power, control switch (50) pass through big footpath end with energy storage module (20) switch on mutually.

9. The air plasma generating apparatus according to claim 8,

the control switch (50) is connected with the shell (10), the control switch (50) is provided with an opening position and a closing position, the electrode part (30) is conducted with the energy storage module (20) when the control switch (50) is located at the opening position, and the electrode part (30) is disconnected with the energy storage module (20) when the control switch (50) is located at the closing position.

10. The air plasma generating apparatus according to claim 9, wherein the control switch (50) comprises:

the conductive spring (51), the said conductive spring (51) is set up on the said minor diameter end;

a conductive dome (52), the conductive dome (52) being disposed adjacent to the conductive spring (51);

the key switch (53) is movably connected with the shell (10) and is abutted against the conductive elastic sheet (52), and the conductive elastic sheet (52) can be positioned at the opening position or the closing position by pressing the key switch (53).

11. The air plasma generating apparatus according to claim 10, further comprising:

the transformer (60), the transformer (60) is arranged on the shell (10), the output end of the transformer (60) is electrically connected with the conductive elastic sheet (52), and the input end of the transformer (60) is electrically connected with the energy storage module (20);

the boosting module (70) is arranged in the shell (10) and is electrically connected with the energy storage module (20).

12. The air plasma generating apparatus according to claim 1,

the electrode part (30) is made of copper, tungsten or carbon fiber, and/or

The medium layer (40) is made of polytetrafluoroethylene or silicon rubber.

13. Air plasma-generating device according to claim 1, characterized in that said casing (10) is provided with heat dissipating through holes.

14. The air plasma generating apparatus according to claim 1, further comprising:

an equipotential structure connected to the dielectric layer (40).

15. An air plasma generating device according to claim 14, characterized in that said casing (10) has a grip, said equipotential structure comprising:

one end of the metal sheet is in contact with the medium layer (40), and the other end of the metal sheet is located at the holding part.

16. A medical device comprising an air plasma generating apparatus, wherein the air plasma generating apparatus is an air plasma generating apparatus according to any one of claims 1 to 15.

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