CN214969538U - Medical instrument sterilization cabin - Google Patents

Abstract

The utility model belongs to the technical field of sterilization and discloses a medical instrument sterilization cabin which is used for sterilizing medical instruments by using hydrogen peroxide gas under a high vacuum state, the medical instrument sterilization cabin comprises a cabin body, a storage plate and a first heating mechanism, wherein the cabin body can form a closed containing cavity, the storage plate is arranged in the cabin body and is configured to bear medical instruments, the first heating mechanism is inserted in the storage plate, so as to directly transfer the heat to the medical appliance by the object placing plate, avoid the influence of vacuumizing on the surface temperature of the medical appliance, thereby preventing the vaporized liquid from being liquefied and even solidified again and being attached to the surface of the medical instrument again, leading the hydrogen peroxide gas to be capable of fully sterilizing the medical instrument, meanwhile, the hydrogen peroxide gas is prevented from being condensed and attached to the surface of the medical instrument due to the temperature reduction in the cavity.

Description

Medical instrument sterilization cabin

Technical Field

The utility model relates to a technical field that disinfects especially relates to a medical instrument sterilization cabin.

Background

Medical instruments refer to instruments, equipment, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles which are directly or indirectly used for human bodies, and most medical instruments need to be sterilized. The prior art provides a hydrogen peroxide sterilization method, i.e. a sterilization operation is performed on medical instruments by using hydrogen peroxide gas in a sterilization device, firstly, cleaned medical instruments are placed in a containing cavity of the sterilization device, in order to remove liquid attached to the surface of the medical instruments, the sterilization device needs to be heated, the temperature in the containing cavity of the sterilization device is increased, so as to vaporize the liquid on the surface of the medical instruments, then, the hydrogen peroxide gas is introduced into the containing cavity, and the containing cavity of the sterilization device is subjected to a vacuum pumping operation, so that the hydrogen peroxide gas can be fully diffused in the containing cavity.

In the prior art, a heating mechanism is often arranged outside a sterilization device, the heating mechanism can transfer heat to a cavity of the sterilization device, and further transfer the heat to the surface of a medical instrument, but the heat transfer of the cavity in a high vacuum state is slow, so that the temperature in the cavity in the vacuum pumping process is reduced, and further the temperature on the surface of the medical instrument is reduced, which can cause the vaporized liquid to be liquefied again or even to be solidified and to be attached to the surface of the medical instrument again, so that hydrogen peroxide gas can not fully sterilize the medical instrument, bacteria can be remained on the surface of the medical instrument after sterilization, and the subsequent use of the medical instrument is influenced.

Therefore, the above problems need to be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical instrument sterilization cabin to solve the problem that the temperature on evacuation in-process medical instrument surface reduces.

To achieve the purpose, the utility model adopts the following technical proposal:

a medical instrument sterilization chamber for sterilizing a medical instrument using hydrogen peroxide gas under a high vacuum state, comprising:

the cabin body can form a closed cavity;

a shelf disposed within the bay, the shelf configured to carry the medical instrument; and

the first heating mechanism is inserted in the object placing plate to transfer heat to the object placing plate.

Preferably, the medical instrument sterilization cabin further comprises a plasma discharge mechanism, and the plasma discharge mechanism is arranged in the containing cavity.

Preferably, the plasma discharge mechanism comprises an electrode net and an insulating block, the electrode net is located in the cabin body, the insulating block is connected to the cabin body and between the electrode nets, the object placing plate is located between two inner walls opposite to the electrode net, the electrode net is made of a metal material, and the electrode net is electrically connected with a power supply outside the cabin body so that an electric field can be formed between the inner walls opposite to the electrode net.

Preferably, the first heating mechanism comprises a shell and a heating wire, a sealing sleeve is sleeved outside the shell and comprises a first sealing portion and a second sealing portion, the shell is inserted into the object placing plate, the first sealing portion penetrates through the cabin and abuts against the outer wall of the electrode net, and the second sealing portion abuts against the outer wall of the cabin.

Preferably, one side that the cabin body was kept away from to the second sealing portion is provided with the sealing washer, the casing is provided with the installation department, works as the casing is inserted and is located when putting in the thing board, the installation department butt in the second sealing portion is kept away from one side of the cabin body.

Preferably, the housing and the sealing sleeve are both made of an insulating material.

Preferably, the object placing plate is provided with a plurality of first heating mechanisms in an inserted manner, and the plurality of first heating mechanisms are uniformly arranged.

Preferably, the medical instrument sterilization chamber further comprises a second heating mechanism, and the second heating mechanism is mounted on the outer wall of the chamber body and can transfer heat to the inside of the accommodating chamber.

Preferably, the medical instrument sterilization cabin further comprises a temperature sensor, and the outer wall of the cabin body and the object placing plate are both provided with the temperature sensor so as to respectively detect the temperature of the cabin wall of the cabin body and the temperature of the object placing plate.

Preferably, the medical instrument sterilization cabin is provided with a plurality of the object placing plates, the object placing plates are arranged in parallel, and each object placing plate is provided with a through hole.

The utility model has the advantages that: the utility model discloses in directly borrow through first heating mechanism and give medical instrument with heat transfer by putting the thing board, avoid the temperature on medical instrument surface to receive the influence of evacuation, and then avoid the liquid that has vaporized to liquefy again and solidify even and adhere to the surface at medical instrument again for hydrogen peroxide gas can fully disinfect to medical instrument, simultaneously, avoids hydrogen peroxide gas to take place the condensation and adhere to the surface at medical instrument because of holding the temperature reduction of intracavity.

Drawings

Fig. 1 is a schematic structural view of the medical instrument sterilization chamber of the present invention with the second heating mechanism removed;

FIG. 2 is a top view of the medical instrument sterilization chamber of the present invention;

FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;

fig. 4 is a partially enlarged view of fig. 3 at B.

In the figure:

1. a cabin body;

2. a storage plate; 21. a containing groove; 22. a through hole;

3. a first heating mechanism; 31. a housing; 311. an installation part; 32. a heater; 33. sealing sleeves; 331. a first seal portion; 332. a second seal portion; 3321. a seal ring; 333. a third perforation;

4. a plasma discharge mechanism; 41. an electrode mesh; 411. a second perforation; 42. an insulating block;

5. a second heating mechanism;

6. and (5) reinforcing ribs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The prior art provides a sterilization device for sterilizing medical instruments which are placed in a cavity and used in an operation process and need to ensure sanitary cleanliness, such as a scalpel, scissors, a forceps, tweezers and the like, the sterilization device generally comprises a vacuum pump, an air supply mechanism and a heating mechanism, wherein the heating mechanism is arranged on the outer side of the cavity wall of the cavity to transfer heat to the cavity, the air supply mechanism is used for conveying hydrogen peroxide gas into the cavity, the vacuum pump is used for vacuumizing the cavity, the temperature of the surface of the medical instrument is reduced due to the influence of heat transfer in the vacuumizing process, so that the problems of insufficient sterilization of the medical instrument and corrosion of the medical instrument are caused, and the problem of temperature reduction of the surface of the medical instrument due to slow heat transfer in the vacuumizing process is solved, in the embodiment, heat is transferred to the medical instrument through solids, namely, the temperature of the surface of the medical instrument is not influenced when the cavity is vacuumized.

Therefore, the present embodiment provides a medical instrument sterilization chamber, which is used for sterilizing medical instruments by using hydrogen peroxide gas in a high vacuum state, please refer to fig. 1, the medical instrument sterilization chamber includes a chamber body 1, a storage plate 2 and a first heating mechanism 3, the chamber body 1 can form a sealed cavity, the storage plate 2 is disposed in the chamber body 1, the storage plate 2 is configured to bear medical instruments, and the first heating mechanism 3 is inserted into the storage plate 2 to transfer heat to the storage plate 2.

In this embodiment, first heating mechanism 3 directly borrows to transmit the heat for medical instrument by putting thing board 2, avoids the temperature on medical instrument surface to receive the influence of evacuation, and then avoids the liquid that has vaporized to liquefy again even solidify and reattach on medical instrument's surface again for hydrogen peroxide gas can fully disinfect to medical instrument, and simultaneously, avoids hydrogen peroxide gas to take place the condensation and attach to medical instrument's surface because of the temperature reduction of holding the intracavity.

Specifically, as shown in fig. 1 and 3, the medical device can be placed on the object placing plate 2, the first heating mechanism 3 can transfer heat to the medical device through the object placing plate 2 to vaporize liquid attached to the surface of the medical device, thereby preventing the liquid attached to the surface of the medical device from influencing subsequent hydrogen peroxide gas sterilization, the vacuum pumping operation is performed on the cavity through the vacuum pump, and the gas generated by vaporizing the liquid attached to the surface of the medical device and the air in the cavity are pumped out of the cavity, so that the cavity is in a high vacuum state, because the vacuum pumping process does not influence the first heating mechanism 3 to transfer heat to the medical device, namely the temperature on the surface of the medical device is not reduced, the gas in the cavity is not liquefied, solidified or desublimated during the vacuum pumping process, hydrogen peroxide gas is introduced into the cavity after vacuum pumping, and the hydrogen peroxide gas can be fully diffused in the cavity, and the sterilization agent has lethal effect on bacteria on the surface of the medical instrument, realizes full sterilization on the medical instrument, and ensures that the sterilized medical instrument meets the requirements.

After the hydrogen peroxide gas is fully diffused in the containing cavity and fully sterilizes the medical instrument, the medical instrument needs to be taken out from the containing cavity, but the hydrogen peroxide gas can harm a human body, so the hydrogen peroxide gas needs to be treated before the medical instrument is taken out, and the hydrogen peroxide gas is converted into harmless water vapor and oxygen.

It can be understood that after the hydrogen peroxide gas is converted into the plasma by the plasma discharge mechanism 4, the plasma can further sterilize the medical apparatus, and the sterilization effect is improved.

Referring to fig. 1, the plasma discharge mechanism 4 includes an electrode grid 41 and an insulating block 42, the electrode grid 41 is located in the cabin 1, the insulating block 42 is connected between the cabin 1 and the electrode grid 41, the object placing plate 2 is located between two opposite inner walls of the electrode grid 41, the electrode grid 41 is made of a metal material, and the electrode grid 41 is electrically connected to a power supply outside the cabin 1, so that an electric field can be formed between the two opposite inner walls of the electrode grid 41. After the power supply is started and the electric field is formed, the hydrogen peroxide gas in the electrode network 41 can form plasma, the plasma can be diffused in the electrode network 41 to further fully sterilize the medical instruments, and the insulating blocks 42 can prevent the cabin body 1 from being electrified.

It can be understood that, after the hydrogen peroxide gas is filled into the cavity, the vacuum degree in the cavity is reduced, which may result in insufficient diffusion of the hydrogen peroxide gas, the plasma discharge mechanism 4 in this embodiment may convert the hydrogen peroxide gas into plasma, and repeatedly vacuumize and discharge, so that the hydrogen peroxide in the cavity is fully converted into plasma, and the plasma may be fully diffused, thereby ensuring that the medical apparatus can be fully sterilized.

In order to ensure that hydrogen peroxide gas can be converted into plasma, and hydrogen peroxide and plasma can effectively sterilize, the temperature in the chamber needs to be ensured, if only the first heating mechanism 3 is arranged, when the chamber is in a high vacuum state, the heat transfer from the medical instrument and the object placing plate 2 to the chamber can be slowed down, namely, the temperature in the chamber can be reduced, for solving the above problems, as shown in fig. 2 and 3, the medical instrument sterilization chamber in the embodiment further comprises a second heating mechanism 5, the second heating mechanism 5 is arranged on the outer wall of the chamber body 1 and can transfer heat to the chamber, namely, the first heating mechanism 3 and the second heating mechanism 5 are adopted to simultaneously transfer heat to the chamber in the embodiment, and the influence of vacuum pumping on the temperature in the chamber is greatly reduced.

It can be understood that the second heating mechanism 5 is provided as two heating patches, in this embodiment, the two heating patches are respectively disposed on two adjacent side walls of the cabin 1, so as to transfer temperature to the inside of the cavity from two directions simultaneously, thereby ensuring that the inside of the cavity is uniformly heated. Of course, in other alternative embodiments, the number of the heating patches may also be four, and the four heating patches are respectively disposed on the four side walls of the cabin 1, which is not limited in this embodiment.

Further, medical instrument sterilization cabin still includes temperature sensor (not shown in the figure), all is provided with temperature sensor on the outer wall of the cabin body 1 and the thing board 2 of putting to detect the cabin wall of the cabin body 1 respectively and put the temperature of thing board 2, and then make operating personnel can monitor the temperature in the appearance chamber in real time, guarantee that the bacterium on medical instrument surface is effectively killed.

As shown in fig. 3 and 4, the first heating mechanism 3 includes a housing 31 and a heater 32, a sealing sleeve 33 is sleeved outside the housing 31, the sealing sleeve 33 includes a first sealing portion 331 and a second sealing portion 332, the housing 31 is inserted into the storage board 2, the first sealing portion 331 penetrates through the cabin 1 and abuts against an outer wall of the electrode mesh 41, and the second sealing portion 332 abuts against an outer wall of the cabin 1. The object placing plate 2 is provided with a containing groove 21, the capsule body 1 and the electrode mesh 41 are respectively provided with a first perforation (not shown in the figure) and a second perforation 411, the first perforation, the second perforation 411 and the containing groove 21 are coaxial, the shell 31 can pass through the first perforation and the second perforation 411 and extend into the containing groove 21, meanwhile, the sealing sleeve 33 is provided with a third perforation 333 in a penetrating way to be sleeved on the periphery of the shell 31, the diameter of the third perforation 22 is smaller than that of the second perforation 411, so that when the end part of the first sealing part 331 is abutted against the outer wall of the electrode mesh 41, the space between the electrode mesh 41 and the capsule body 1 can be isolated from the space inside the electrode mesh 41, the hydrogen peroxide gas in the electrode mesh 41 is prevented from leaking, the diameter of the first sealing part 331 is equal to that of the first perforation, the diameter of the second sealing part 332 is larger than that of the first sealing part 331, so that when the end part of the second sealing part 332 is abutted against the outer wall of the capsule body 1, the space between the electrode network 41 and the chamber 1 can be sealed from the outside air to further seal the electrode network 41.

Referring to fig. 4, a sealing ring 3321 is disposed on a side of the second sealing portion 332 away from the cabin 1, the housing 31 is provided with a mounting portion 311, when the housing 31 is inserted into the storage board 2, the mounting portion 311 abuts against the side of the second sealing portion 332 away from the cabin 1, a diameter of the mounting portion 311 is larger than a diameter of the housing 31, the mounting portion 311 is screwed with the second sealing portion 332, and the sealing ring 3321 is disposed between an end surface of the second sealing portion 332 and an end surface of the mounting portion 311 to prevent the hydrogen peroxide gas from leaking through the second through hole 411 and the third through hole 333.

In combination with the above structure, the housing 31 and the sealing sleeve 33 in the present embodiment are made of an insulating material to prevent the housing 31 and the sealing sleeve 33 from being electrified.

Further, above-mentioned medical instrument sterilization cabin is provided with a plurality of thing boards 2 of putting, a plurality of thing board 2 parallel arrangement of putting, every is put and all is provided with through-hole 22 on the thing board 2, a plurality of thing boards 2 of putting all can bear a plurality of medical instrument, through-hole 22 can make hydrogen peroxide gas and plasma freely diffuse between each thing board 2 of putting to guarantee that hydrogen oxide gas and plasma can evenly diffuse, and then make medical instrument sterilization cabin can disinfect to a plurality of medical instrument simultaneously.

In order to ensure that the object placing plate 2 can be heated uniformly, a plurality of first heating mechanisms 3 are inserted into the object placing plate 2 in the embodiment, and the plurality of first heating mechanisms 3 are uniformly arranged.

It can be understood that the sterilization chamber for medical instruments in the embodiment further includes a reinforcing rib 6, and the reinforcing rib 6 is sleeved outside the chamber body 1 to increase the strength of the chamber body 1.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A medical instrument sterilization chamber for sterilizing a medical instrument using hydrogen peroxide gas in a high vacuum state, comprising:

the cabin body (1) can form a closed cavity;

a storage plate (2) disposed within the cabin (1), the storage plate (2) configured to carry the medical instrument; and

the first heating mechanism (3) is inserted into the object placing plate (2) to transfer heat to the object placing plate (2).

2. The medical instrument sterilization compartment of claim 1, further comprising a plasma discharge mechanism (4), the plasma discharge mechanism (4) being disposed within the cavity.

3. The medical equipment sterilization chamber according to claim 2, wherein the plasma discharge mechanism (4) comprises an electrode net (41) and an insulating block (42), the electrode net (41) is located in the chamber body (1), the insulating block (42) is connected between the chamber body (1) and the electrode net (41), the object placing plate (2) is located between two opposite inner walls of the electrode net (41), the electrode net (41) is made of a metal material, and the electrode net (41) is electrically connected with a power supply outside the chamber body (1) so that an electric field can be formed between the two opposite inner walls of the electrode net (41).

4. The medical instrument sterilization chamber according to claim 3, wherein the first heating mechanism (3) comprises a housing (31) and a heating wire (32), a sealing sleeve (33) is sleeved outside the housing (31), the sealing sleeve (33) comprises a first sealing portion (331) and a second sealing portion (332), the housing (31) is inserted into the storage plate (2), the first sealing portion (331) penetrates through the chamber body (1) and abuts against the outer wall of the electrode mesh (41), and the second sealing portion (332) abuts against the outer wall of the chamber body (1).

5. The medical instrument sterilization chamber according to claim 4, wherein a side of the second sealing portion (332) away from the chamber body (1) is provided with a sealing ring (3321), the housing (31) is provided with a mounting portion (311), and when the housing (31) is inserted into the storage plate (2), the mounting portion (311) abuts against a side of the second sealing portion (332) away from the chamber body (1).

6. The medical instrument sterilization compartment of claim 5, wherein the housing (31) and the sealing sleeve (33) are both made of an insulating material.

7. The medical instrument sterilization chamber according to claim 6, wherein a plurality of first heating mechanisms (3) are inserted on the object placing plate (2), and the plurality of first heating mechanisms (3) are uniformly arranged.

8. The medical instrument sterilization chamber according to claim 1, further comprising a second heating mechanism (5), wherein the second heating mechanism (5) is mounted on an outer wall of the chamber body (1) and is capable of transferring heat into the cavity.

9. The medical instrument sterilization chamber according to claim 8, further comprising a temperature sensor, wherein the temperature sensor is disposed on the outer wall of the chamber body (1) and the storage plate (2) to detect the temperature of the chamber wall of the chamber body (1) and the temperature of the storage plate (2), respectively.

10. The medical instrument sterilization chamber according to claim 1, wherein a plurality of the object placing plates (2) are arranged in the medical instrument sterilization chamber, the plurality of the object placing plates (2) are arranged in parallel, and each object placing plate (2) is provided with a through hole (22).

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