WO2021012825A1

WO2021012825A1 - Endoscope sterile protective sleeve

Info

Publication number: WO2021012825A1
Application number: PCT/CN2020/095271
Authority: WO
Inventors: 韦建宇; 李常青; 史春夏; 沈正华; 胡洁; 李宁; 奚杰峰
Original assignee: 南微医学科技股份有限公司
Priority date: 2019-07-22
Filing date: 2020-06-10
Publication date: 2021-01-28
Also published as: CN112244736A

Abstract

An endoscope sterile protective sleeve. The sterile protective sleeve comprises a main body (1), a connecting portion (4), and a sealing cover (2); the main body (1) comprises a cavity (5), and an antibacterial medium (3) is accommodated in the cavity (5); the connecting portion (4) comprises a sealing structure, and the sealing structure enables an endoscope tip portion to keep sealing after the endoscope tip portion is inserted. The endoscope sterile protective sleeve further comprises a pressing structure, and the pressing structure is a pressing portion (6) provided on the cavity wall and/or at least one part of the cavity wall is elastic; the pressing structure is repeatedly pressed, so that the antibacterial medium (3) can enter an endoscope channel. According to the endoscope sterile protective sleeve, the endoscope can further be cleaned and disinfected while the endoscope is protected, and the occurrence of cross infection is reduced.

Description

Sterile protective cover for endoscope

Cross references to related applications

This application claims the priority of the Chinese patent application with the application number CN201910662479.8 and the name "A sterile protective cover for endoscope" filed with the Chinese Patent Office on July 22, 2019, the entire content of which is incorporated by reference In this application.

Technical field

This application relates to the field of endoscopes, in particular to a sterile protective cover for endoscopes.

Background technique

With the development of medical technology and the popularization of endoscopes, the application of endoscopes has become more and more extensive, and endoscopic treatment has become a clinically indispensable treatment method. However, during the use of endoscopes, there are the following problems:

On the one hand, the current endoscopes are mainly imported, expensive, and non-disposable consumables. They are usually cleaned and disinfected and reused after use. The endoscope is often bumped during the transportation from the operating room to the cleaning room and from the cleaning room to the storage room, which leads to damage to the tip of the endoscope, high maintenance costs, and scrap and waste.

On the other hand, endoscopes need to enter the human body and come into contact with tissues, mucous membranes and blood, especially these tissues will enter the channels of the endoscope. If not thoroughly cleaned and disinfected, it may cause cross-infection.

In order to solve the above problems, Olympus (Beijing) Sales Service Co., Ltd. applied for an invention patent CN204765536U. The invention proposes a protective cover for the tip of an endoscope, which is only used to protect the tip of the endoscope. There is no antibacterial effect, and it cannot solve the problem of thorough cleaning and disinfection of the endoscope, especially the channel.

In addition, the international patent WO2014/041369A1 filed by MEDISAFE UK LIMITED relates to a method for pretreatment of medical devices. It proposes a method for cleaning contaminated medical devices. It also mentions the use of disinfectant. Although this patent can protect and clean the medical equipment at the same time, it cannot solve the problem of thoroughly cleaning and disinfecting the channel of the endoscope.

The protection of the tip of the endoscope and its cleaning and disinfection are particularly important. Although the prior art discloses the technology for protecting, cleaning and disinfecting the tip of the endoscope, there is still a problem that the channel of the endoscope cannot be thoroughly disinfected. , And further unable to solve the problem of leakage of disinfectant in the protective sleeve.

Summary of the invention

In order to solve the above-mentioned problems, the present application provides a sterile protective cover for an endoscope, which includes a protective cover main body, a connecting part and a sealing cover, wherein the protective cover main body includes a chamber, and the chamber contains an antibacterial medium; The connecting portion includes a sealing structure that allows the tip end of the endoscope to maintain a seal with the tip end of the endoscope after being inserted, and is characterized in that the sterile protective cover of the endoscope further includes a pressing structure, and the pressing structure In order for the pressing part and/or at least a part of the chamber wall provided on the chamber wall to be elastic, by pressing the pressing structure, the antibacterial medium is fully infiltrated and contacted with the tip of the endoscope and enters Inside the endoscope channel.

In this application, because the protective sleeve is provided with a pressing structure, while the protective sleeve protects the endoscope, by repeatedly pressing the pressing structure, the antibacterial medium will be pressed into the channel of the endoscope, and the channel of the endoscope Thorough cleaning and disinfection can make the cleaning and disinfection of the endoscope more thorough and reduce the risk of cross infection.

Preferably, the pressing portion is an elastic pressing wall or an elastic pressing chamber protrudingly provided on the cavity wall.

The sealing structure is a self-sealing structure.

Another embodiment of the sealing structure includes an annular groove and an O-ring located in the groove.

The sterile protective cover of the endoscope of the present application further includes an anti-regurgitation flap, and the anti-regurgitation flap is arranged at different positions, and the chamber can be divided into a first chamber and a second chamber.

Preferably, the sealing cover may be a flip-type sealing cover or a film-type sealing cover.

The protective cover can be any shape suitable for the insertion of the tip of the endoscope. For example, the bottom of the protective cover is set in a shape that is recessed inward and can be stably placed in an upright protective cover. The bottom of the protective cover can also be designed as a tapered flat shape, suitable for holding by hand, and convenient for inserting the tip of the endoscope into the protective cover.

The antibacterial medium can be directly filled into the chamber, or absorbed by absorbent materials, such as sponge, and then put into the chamber.

Through the description of the above technical solutions, this application can achieve the following beneficial effects:

The aseptic protective cover is provided with a pressing structure, and the pressing structure is that the pressing part or at least a part of the chamber wall provided on the chamber wall is elastic. Repeated pressing of the pressing structure can provide protection to the endoscope at the same time With the effect of thorough cleaning and disinfection, the structure of the application has a good cleaning and disinfection effect on the endoscope and avoids the occurrence of cross-infection.

The sealing structure adopts a self-sealing structure. Preferably, the self-sealing structure includes an annular groove and an O-ring located in the groove, so that after the tip of the endoscope is inserted into the protective sleeve, the self-sealing structure is always in close contact with the outer wall of the endoscope , To prevent the leakage of antibacterial medium.

The protective sleeve also includes an anti-reflux flap. When the anti-reflux flap is arranged next to the inner side of the connecting part, the chamber is a chamber, and the tip of the endoscope is inserted into the protective sleeve to protect, clean and disinfect the endoscope at the same time effect. When the anti-reflux flap divides the chamber into two chambers, when the endoscope is inserted into the first chamber, it only protects the endoscope; when it is optionally inserted into the second chamber, it protects the endoscope. The mirror also plays a role of protection and cleaning and disinfection.

The shape of the protective cover can be any shape suitable for the insertion of the tip of the endoscope, and it can be upright, or it can be a flat shape with a tapered bottom suitable for holding and pushing the endoscope by hand.

In order to better prevent the outflow of the antibacterial medium and reduce the usage of the antibacterial medium, the antibacterial medium can be sucked into an absorbent material such as a sponge, and the sponge sucked into the antibacterial medium can be put into the chamber.

Description of the drawings

Figures 1a-1c are endoscope protective covers, which are filled with different antibacterial media.

Figure 2 is a schematic diagram of the structure of the endoscope connecting part.

Figure 3 is a three-dimensional view of the anti-reflux flap set in the protective sleeve chamber.

Figure 4 shows a self-sealing structure provided with an O-ring.

Figure 5 shows the protective cover of the flip-type sealing cover.

Figure 6 shows the protective cover of the membrane sealing cover.

Figure 7 shows the endoscope protective sleeve with the cavity bottom recessed inward.

Figure 8 shows the endoscope protective sleeve with the bottom of the cavity in a tapered flat shape.

Fig. 9 is an endoscope protective cover immersed in an antibacterial medium sponge in the cavity.

Fig. 10 is an endoscope protective cover with two chambers.

Mark in the picture:

1. Protective cover; 2. Seal cover; 3. Antibacterial medium; 4. Connection part; 5. Cavity; 6. Press structure;

71. Anti-reflux flap; 72. Anti-reflux flap; 8. O-ring; 9. Sponge.

Detailed ways

In order to make the objectives, technical solutions, and advantages of this application clearer, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the application, and are not used to limit the application.

As shown in Figures 1a-1c, the endoscope sterile protective cover includes a protective cover main body 1, a connecting part 4 and a sealing cover 2. The connecting part 4 is arranged at the end of the protective cover main body, and the other end is the bottom of the protective cover main body. . The main body of the protective cover includes a chamber 5 in which an antibacterial medium 3 is filled. Figures 1a-1c schematically show that different antibacterial mediums can be filled; the connecting portion 4 is provided with a sealing structure, which is a self-sealing structure, When the tip of the endoscope is inserted into the main body cavity 5 from the connecting portion 4, the sealing structure can be closely attached to the outer wall of the endoscope to prevent the antibacterial medium 3 from leaking from the insertion port. In addition, the chamber 5 also includes a pressing structure. By repeatedly pressing the pressing structure, on the one hand, the antimicrobial medium 3 can be fully infiltrated and contacted with the tip of the endoscope, and on the other hand, the antimicrobial medium 3 can be removed from the tip of the endoscope. The exit of the channel enters the channel to thoroughly clean and disinfect the channel of the endoscope, so that when the endoscope is used again, the risk of cross infection is reduced. One embodiment of the pressing structure is a pressing portion 6 protrudingly provided on the wall of the cavity 5. The pressing portion 6 may be an elastic wall or an elastic pressing chamber; another embodiment of the pressing structure is at least a part The chamber wall is elastic; in addition, the pressing structure may not only include the pressing part, but also design at least a part of the chamber wall to be elastic. By repeatedly pressing the pressing structure, the tip of the endoscope can be cleaned and disinfected, especially the channel of the endoscope can be thoroughly cleaned and disinfected.

Preferably, the main body of the endoscope protective cover can be made of, but not limited to, silicone material.

As shown in Figure 2, the sealing structure is a self-sealing structure. Another embodiment of the sealing structure includes an annular groove in which an O-ring is arranged (see FIG. 4). When the tip of the endoscope is inserted from the connecting part 4, the sealing structure is in close contact with the outer wall of the endoscope, and the antibacterial medium 3 in the cavity will not leak out, so that the tip of the endoscope is always sterile during storage. protection.

When the sterile protective cover of the endoscope is in use, after the sealing cover 2 is opened, in order to prevent the antibacterial medium from leaking from the connecting part 4, a reflux prevention flap 71 can be provided inside the connecting part 4, as shown in FIG. In this way, after the sealing cover 2 is opened, under the action of the anti-reflux flap 71, no matter whether the tip of the endoscope is inserted into the protective sleeve in time, the antibacterial medium will not leak from the protective sleeve.

The anti-reflux flap 71 can be arranged next to the inner side of the connecting part 4, as shown in Figs. 3 and 4. At this time, the chamber 5 is a chamber. When the tip of the endoscope is inserted into the chamber 5, the tip of the endoscope Carry out protection and cleaning and disinfection. The anti-reflux flap can also divide the chamber into two chambers (refer to numeral 72 in FIG. 10), which will be described in detail later.

The sealing cover 2 of the present application can be in various forms, for example, a flip-type sealing cover that can be integrally formed with the connecting portion 4, as shown in FIG. 5; it can also be a membrane-type sealing cover, such as plastic film and other materials, using glue, heat Other processes such as melting or welding are sealed with the port of the protective sleeve connection part, as shown in Figure 6.

In addition, the shape of the endoscope protective cover can be any shape suitable for insertion of the tip of the endoscope, and the size of the cavity can only accommodate the tip of the endoscope or the entire endoscope. The shape of the endoscope is preferably an upright type, as shown in Fig. 7. At this time, the bottom of the protective cover is in a concave shape, which can be used for stable upright placement.

Further, in order to facilitate holding the protective sleeve by hand and pushing the tip of the endoscope into the protective sleeve, the bottom of the protective sleeve is designed to be a tapered flat shape, as shown in FIG. 8.

Preferably, in order to better prevent the outflow of the antibacterial medium and reduce the amount of antibacterial medium used, the chamber 5 is provided with a component capable of absorbing the antibacterial medium, such as a sponge. The antibacterial medium can be sucked into the sponge in advance, as shown in FIG. 9 .

The antibacterial medium of this patent can be silver antibacterial agent, alcohol antibacterial agent, physiological saline or heparin solution.

The anti-reflux flap can also be arranged at any position in the chamber 5 to separate the chamber 5 from the first chamber 51 and the second chamber 51, see FIG. 10. The first chamber 51 is not filled with an antibacterial medium, and the second chamber 52 is filled with an antibacterial medium. When the tip of the endoscope is inserted into the first chamber 51, it only protects the endoscope. When the tip of the endoscope is continuously inserted into the second chamber 52, the tip of the endoscope can be protected and cleaned and disinfected at the same time.

The use process of the endoscope sterile protective cover is as follows. After the endoscope is disinfected and cleaned, open the protective cover package, open the sealing cover, insert the tip of the endoscope into the protective cover, and gently squeeze the pressing structure of the protective cover. Make the antibacterial medium fully infiltrate the tip of the endoscope, and then start to transport the endoscope or store it in the mirror cabinet. The endoscope is always in a sterile state during the entire transportation and storage process.

The above descriptions are only preferred embodiments of this application and are not intended to limit this application. Any modification, equivalent replacement and improvement made within the spirit and principle of this application shall be included in the protection scope of this application. Inside.

Claims

A sterile protective cover for an endoscope, comprising a protective cover main body, a connecting part, and a sealing cover, wherein the protective cover main body includes a chamber containing an antibacterial medium; the connecting part includes a sealing structure, and the sealing cover The structure enables the tip end of the endoscope to remain sealed with the tip end of the endoscope after being inserted, and is characterized in that the sterile protective cover of the endoscope further includes a pressing structure which is arranged on the chamber wall The pressing part and/or at least a part of the chamber wall is elastic, and by pressing the pressing structure, the antibacterial medium fully infiltrates contact with the tip of the endoscope and enters the channel of the endoscope.
The sterile protective cover of the endoscope according to claim 1, wherein the pressing portion is an elastic pressing wall or an elastic pressing chamber protrudingly provided on the wall of the cavity.
The sterile protective cover for an endoscope according to claim 1, wherein the sealing structure is a self-sealing structure.
The sterile protective cover for an endoscope according to claim 1, wherein the sealing structure comprises an annular groove and an O-ring located in the groove.
The sterile protective cover of the endoscope according to claim 1, wherein the sterile protective cover of the endoscope further comprises an anti-reflux flap.
The sterile protective cover of the endoscope according to claim 5, wherein the anti-reflux flap can divide the chamber into two chambers.
The sterile protective cover for an endoscope according to claim 1, wherein the sealing cover is a flip-type sealing cover or a film-type sealing cover.
The sterile protective cover of the endoscope according to any one of claims 1 to 7, wherein the bottom of the main body of the endoscope protective cover is recessed inward.
The sterile protective cover of the endoscope according to any one of claims 1 to 7, wherein the bottom of the main body of the protective cover of the endoscope is tapered flat.
The sterile protective cover for an endoscope according to any one of claims 1 to 7, wherein a sponge is provided in the chamber, and the sponge is impregnated with an antibacterial medium.