Insertion membrane assembly and membrane tool

Abstract

The present invention discloses an insertion membrane assembly and a sheathing tool, and relates to the technical field of endoscopes. The insertion membrane assembly includes: a front end seat, a protective film, and an instrument tube. By setting a sealing area and an open area on the front end seat, and sealingly connecting the protective film to the front end seat, and sealingly connecting the instrument tube to the open area, the instrument channel formed in the instrument tube is sealed relative to the installation channel in the protective film. In addition, the front end seat is configured to include a base and a side wall, and the side wall is configured to be a petal-shaped structure, so that the side wall can be opened after being subjected to a radially outward force, so that sufficient installation space can be reserved for the insertion part, reducing and avoiding the insertion part from touching the inner wall of the protective film when being inserted into the protective film, resulting in wrinkles on the surface of the protective film of the insertion part, and solving the problem that the sheathing operation of the insertion part of the endoscope in the prior art is time-consuming, labor-intensive, and difficult to operate.

Description

Technical Field

[0001] The invention relates to the field of endoscopes, and in particular to an insertion membrane component and a membrane covering tool. Background Art

[0002] Endoscopes are one of the most widely used diagnostic and therapeutic tools in modern medicine, especially in gastrointestinal endoscopy, bronchoscopy, cystoscopy, etc., playing an irreplaceable role. However, since endoscopes are in direct contact with the digestive tract, respiratory tract and other parts of the patient's body, there is a high risk of infection. Therefore, they must be strictly cleaned and disinfected after each use to ensure patient safety. This disinfection process usually includes multiple steps such as mechanical cleaning, chemical disinfection, drying and sterilization. The cost of the equipment and consumables required is very high and the cycle is long. Therefore, for medical institutions, the cost of disinfection and reprocessing of endoscopes has become a cost burden that cannot be ignored, especially when the number of patients is large. This problem is particularly prominent.

[0003] In the prior art, the outer surface of the insertion portion of the endoscope is covered with a film to prevent the endoscope from being contaminated during the operation. After the operation, the film layer on the outer surface of the insertion portion of the endoscope can be directly replaced and reused, which can reduce the cost of disinfection and reprocessing of the endoscope. However, in the process of covering the insertion portion with the film, wrinkles are easily generated between the insertion portion and the protective film. When wrinkles appear, they need to be smoothed, which greatly increases the time and difficulty of covering the insertion portion. How to quickly and conveniently cover the insertion portion of the endoscope is a problem that needs to be solved urgently. Summary of the invention

[0004] The present invention discloses an inserting membrane assembly and a membrane covering tool, so as to at least partially improve the above problems.

[0005] In order to solve the above problems, the present invention adopts the following technical solutions:

[0006] On the one hand, an embodiment of the present application provides an insertion portion membrane assembly for an endoscope, the endoscope comprising an insertion portion, and the insertion portion membrane assembly comprising: a front end seat, a protective film, and an instrument tube. The distal end of the front end seat is transparently arranged, and the distal end of the front end seat has a sealing area and an open area in the radial direction. An installation channel is formed in the protective film, the proximal end of the protective film is open, and the distal end of the protective film is sealed and connected to the front end seat and extends in a first direction. The instrument tube is arranged in the installation channel, the instrument tube is sealed and connected to the open area and extends along the first direction, and the interior of the instrument tube is through-arranged to form an instrument channel. Wherein, the front end seat comprises: a bottom wall and a side wall, the side wall is connected to the bottom wall and extends in the first direction, and the side wall is a petal-shaped structure so that the side wall can open after being subjected to a radially outward force.

[0007] In one embodiment, the insertion portion membrane assembly further includes: a limiting structure, which is disposed on the inner wall of the installation channel and protrudes radially inwardly to fix the insertion portion extending into the installation channel.

[0008] In one embodiment, the size of the limiting structure gradually decreases in the radially inward direction of the installation channel;

[0009] And / or, the limiting structure is arranged on the side wall and is located at an end of the side wall away from the bottom wall;

[0010] And / or, a heating glue is provided at one end of the limiting structure away from the side wall.

[0011] On the other hand, an embodiment of the present application further provides a casing tool, comprising the insertion membrane assembly and casing equipment as described above, wherein the casing equipment has a negative pressure channel for inserting the insertion membrane assembly.

[0012] In one embodiment, the insertion membrane assembly further comprises: a device membrane, which is detachably attached to the distal end surface of the front end seat and is used to seal the open area; the membrane device comprises:

[0013] A substrate, wherein a negative pressure channel is formed inside the substrate and communicated with a surface of the substrate;

[0014] A sealing cover, which is connected to the base and can selectively seal or open the negative pressure channel;

[0015] An air extraction device, the air extraction device is connected to the negative pressure channel, the air extraction device is used to extract the air in the negative pressure channel and selectively block or connect the negative pressure channel with the outside world; and,

[0016] A blowing device is connected to the negative pressure channel. The blowing device is used to blow gas into the interior of the protective film after the insertion membrane assembly is installed in the negative pressure channel, so that the protective film expands and fits tightly against the inner wall of the negative pressure channel.

[0017] In one embodiment, a support ring is provided at the proximal end of the protective film, and the proximal end of the negative pressure channel has a bearing surface for bearing the support ring. The side wall of the negative pressure channel also has a radially outward recessed hole. In the axial direction of the negative pressure channel, the recessed hole is located on one side of the bearing surface, and a boss is formed between the recessed hole and the bearing surface.

[0018] In one embodiment, a fixing structure is provided in the negative pressure channel, and the fixing structure is used to fix the front end seat after the insertion portion membrane assembly is installed in the negative pressure channel and the insertion portion abuts against the sealing area.

[0019] In one embodiment, the film covering device further includes: a first lifting mechanism, which is disposed on the bottom surface of the negative pressure channel and is used to adjust the depth of the negative pressure channel.

[0020] In one embodiment, the proximal end of the protective membrane has a flared section, and the radial dimension of the flared section is greater than the radial dimension of other areas of the protective membrane.

[0021] In one embodiment, the sheath tool further includes: a second lifting mechanism, the second lifting mechanism is connected to the surface of the base, and the second lifting mechanism is used to install and drive the endoscope to move up and down, so as to drive the insertion part to move up and down in the negative pressure channel.

[0022] The technical solution adopted by the present invention can achieve the following beneficial effects:

[0023] The insertion membrane assembly provided in the embodiment of the present application is provided with a sealing area and an open area on the front end seat, and the protective membrane is sealed and connected to the front end seat, and the instrument tube is sealed and connected to the open area. At this time, the instrument channel formed in the instrument tube is sealed relative to the installation channel in the protective membrane. The front end seat is provided to include a base and a side wall, and the side wall is provided to be a petal-shaped structure, so that the side wall can be opened after being subjected to a radially outward force, so that sufficient installation space can be reserved for the insertion part, and the insertion part can be reduced and avoided from touching the inner wall of the protective membrane when being inserted into the protective membrane, resulting in wrinkles on the surface of the protective membrane. When the radially outward force on the side wall disappears, the side wall of the petal-shaped structure will be restored. In this process, the side wall can give a downward force to the insertion part located in the installation channel, thereby facilitating the distal end of the insertion part to be pressed against the distal end of the protective membrane. The insertion part membrane assembly provided in the embodiment of the present application can expand the protective membrane when the insertion part is covered with a membrane, so as to facilitate the rapid covering operation of the distal end of the insertion part, and after the covering of the distal end of the insertion part is completed, the distal end of the insertion part will be driven to continue to move toward the distal end of the protective membrane to tightly press the distal end of the insertion part against the distal end of the protective membrane, thereby solving the problem of time-consuming, labor-intensive and difficult operation of covering the insertion part of the endoscope in the prior art. When the above-mentioned insertion part membrane assembly is applied to the covering tool, the aforementioned problem can also be solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A schematic structural diagram showing a sealing cover in an unfolded state in a film covering tool in one embodiment of the present application is shown;

[0026] Figure 2 A schematic structural diagram showing a sealing cover in a closed state in a film covering tool in one embodiment of the present application is shown;

[0027] Figure 3 A cross-sectional view of a film covering tool in one embodiment of the present application is shown;

[0028] Figure 4 for Figure 3 Enlarged view of point C in the middle;

[0029] Figure 5 for Figure 3 The enlarged view of point A in the middle;

[0030] Figure 6 A schematic diagram showing a partial structure of an insertion membrane assembly in an embodiment of the present application;

[0031] Figure 7 An exploded view showing a partial structure of an inserting membrane assembly in an embodiment of the present application;

[0032] Figure 8 for Figure 5 Enlarged view of point B in the middle.

[0033] In the figure: 1. film tool; 10. insertion part membrane assembly; 110. front end seat; 111. sealing area; 112. open area; 113. base; 114. side wall; 120. protective film; 121. installation channel; 122. support ring; 123. flaring section; 130. instrument tube; 131. instrument channel; 140. equipment membrane; 150. limiting structure; 20. first direction; 30. endoscope; 310. insertion part; 70. film equipment; 710. base; 711. negative pressure channel; 7111. bearing surface; 7112. recessed hole; 7113. boss; 720. sealing cover; 730. vacuum device; 740. blowing device; 750. fixing structure; 760. first lifting mechanism; 770. second lifting mechanism; 80. functional instrument. DETAILED DESCRIPTION

[0034] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0035] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0036] In each embodiment of the present application, "proximal end" and "distal end" refer to the position of each component relative to the user in the use environment, wherein the end closer to the user is designated as the "proximal end" and the end farther from the user is designated as the "distal end".

[0037] The inventive concept of the present application is described here:

[0038] Endoscopes are one of the most widely used diagnostic and therapeutic tools in modern medicine, especially in gastrointestinal endoscopy, bronchoscopy, cystoscopy, etc., playing an irreplaceable role. However, since endoscopes are in direct contact with the digestive tract, respiratory tract and other parts of the patient's body, there is a high risk of infection. Therefore, they must be strictly cleaned and disinfected after each use to ensure patient safety. This disinfection process usually includes multiple steps such as mechanical cleaning, chemical disinfection, drying and sterilization. The cost of the equipment and consumables required is very high and the cycle is long. Therefore, for medical institutions, the cost of disinfection and reprocessing of endoscopes has become a cost burden that cannot be ignored, especially when the number of patients is large. This problem is particularly prominent.

[0039] In the prior art, the outer surface of the insertion portion of the endoscope is covered with a film to prevent the endoscope from being contaminated during the operation. After the operation, the film layer on the outer surface of the insertion portion of the endoscope can be directly replaced and reused, which can reduce the cost of disinfection and reprocessing of the endoscope. However, in the process of covering the insertion portion with the film, wrinkles are easily generated between the insertion portion and the protective film. When wrinkles appear, they need to be smoothed, which greatly increases the time and difficulty of covering the insertion portion. How to quickly and conveniently cover the insertion portion of the endoscope is a problem that needs to be solved urgently.

[0040] Based on this, the inventor provides an insertion membrane assembly and a membrane tool, in which the insertion membrane assembly is configured so that the protective membrane can expand after being subjected to a radial outward force, and the side wall of the front end seat connected to the protective membrane is configured as a petal-shaped structure, so that the side wall can also expand after being subjected to a radial outward force. In this way, the user has a larger radial space when inserting the insertion part into the installation channel of the protective membrane, so that the distal end of the insertion part can be inserted into the distal end of the protective membrane and abut against the distal end of the protective membrane. At the same time, during the insertion process of the insertion part, due to the large radial dimension in the installation channel, the insertion part will not touch the side wall of the protective membrane, thereby preventing the protective membrane from wrinkling, and in this process, the insertion part can be quickly inserted into the distal end of the protective membrane.

[0041] The following is combined with Figures 1 to 8 , an insertion membrane assembly 10 and a membrane covering tool 1 provided in the present application are described in detail through specific embodiments and their application scenarios.

[0042] Please also see Figure 1 and Figure 2 An embodiment of the present application provides a sheathing tool 1, which can be used to assist a user in performing a sheathing operation on an insertion portion 310 of an endoscope 30. The sheathing tool 1 may include an insertion portion sheath assembly 10 and a sheathing device 70. A user may use the insertion portion sheath assembly 10 in conjunction with the sheathing device 70 to achieve a rapid sheathing operation on the insertion portion 310.

[0043] Please also see Figure 1-Figure 3, the film-covering device 70 may include: a base 710, a sealing cover 720, an air extraction device 730 and an air suction device. A negative pressure channel 711 connected to the surface of the base 710 may be formed inside the base 710, and the negative pressure channel 711 may be used to accommodate the insertion membrane assembly 10. The sealing cover 720 may be connected to the base 710, and may selectively seal or open the negative pressure channel 711. The embodiment of the present application does not limit the specific structure and form of the sealing cover 720. For example, in one embodiment, the sealing cover 720 may be rotatably arranged on the surface of the base 710, and the negative pressure channel 711 may be selectively sealed or opened during the rotation of the sealing cover 720. In a more specific embodiment, the sealing cover 720 may be provided with two, and the two sealing covers 720 may cooperate with each other. When the two sealing covers 720 are close to each other and abut against each other, the negative pressure channel 711 may be sealed, and when the two sealing covers 720 are away from each other, the negative pressure channel 711 may be opened.

[0044] Please also see Figure 3 and Figure 4 The exhaust device 730 can be connected to the negative pressure channel 711. The exhaust device 730 can be used to extract the air in the negative pressure channel 711 and selectively block or connect the negative pressure channel 711 with the outside world. The embodiment of the present application does not limit the specific form and structure of the exhaust device 730. For example, in one embodiment, the exhaust device 730 can be an exhaust valve.

[0045] Please also see Figure 3 and Figure 5 The blowing device 740 can be connected to the negative pressure channel 711, and is used to blow gas into the protective film 120 of the inserting membrane assembly 10 after the inserting membrane assembly 10 is installed in the negative pressure channel 711, so as to expand the protective film 120 and make the protective film 120 close to the inner wall of the negative pressure channel 711. The embodiment of the present application also does not limit the specific form and structure of the blowing device 740. For example, in one embodiment, the blowing device 740 can be an inflation valve.

[0046] In this embodiment, the insertion membrane assembly 10 can be placed in the negative pressure channel 711 first, and the protective film 120 in the insertion membrane assembly 10 can be located in the negative pressure channel 711. In this embodiment, the protective film 120 can be set to a structure with a proximal open end and a distal sealed end. At this time, the sealing cover 720 can be rotated so that the sealing cover 720 seals the negative pressure channel 711, and the blowing device 740 is aligned with the proximal opening of the protective film 120, and then air is blown into the protective film 120 so that the protective film 120 is in a slightly collided state. This can help to straighten the protective film 120 first to avoid the user causing the protective film 120 to twist or wrinkle when placing the insertion membrane assembly 10 in the negative pressure channel 711. Then the vacuum device 730 can be turned on to draw out the air between the protective film 120 and the negative pressure channel 711, and then the blowing device 740 can continue to be turned on so that the protective film 120 expands and fits tightly against the inner wall of the negative pressure channel 711. At this time, the vacuum device 730 can be closed and the negative pressure channel 711 can be sealed. Then the sealing cover 720 can be opened to expose the proximal end of the protective film 120, so as to facilitate the insertion of the insertion part 310 into the protective film 120. When the user abuts the distal end of the insertion part 310 against the distal end of the protective film 120, the vacuum device 730 can be turned on to connect the negative pressure channel 711 with the outside world. Under the action of atmospheric pressure, the protective film 120 will be squeezed and fit against the outer surface of the insertion part 310 to complete the operation of covering the insertion part 310.

[0047] Please continue reading Figure 4 Furthermore, in one embodiment, a support ring 122 may be provided at the proximal end of the protective film 120, and the cross-sectional size of the support ring 122 may be larger than the cross-sectional sizes of other areas of the protective film 120, thereby improving the structural strength of the proximal end of the protective film 120 and making it easier to fix the protective film 120 at a certain position through the support ring 122.

[0048] In addition, in this embodiment, the proximal end of the negative pressure channel 711 has a bearing surface 7111 for bearing the support ring 122, and the side wall 114 of the negative pressure channel 711 also has a radially outward concave hole 7112. Figure 4As shown, that is to say, the concave hole 7112 is located on the side wall of the negative pressure channel 114, and is recessed to the two sides of the negative pressure channel 114 to form a flared area. In the axial direction of the negative pressure channel 711, the concave hole 7112 is located on one side of the bearing surface 7111, and a boss 7113 may be formed between the concave hole 7112 and the bearing surface 7111. In the negative pressure channel 114, the radial dimension at the concave hole 7112 is greater than the radial dimension at the boss 7113. In this embodiment, when the user installs the protection of the insertion membrane assembly 10 in the negative pressure channel 711, the support ring 122 can be placed on the bearing surface 7111. Since the size of the bearing surface 7111 is larger than the size of other areas of the negative pressure channel 711, the support ring 122 can be used to prevent the protective film 120 from falling into the negative pressure channel 711. In addition, due to the setting of the aforementioned recessed hole 7112 and the boss 7113, when the blowing device 740 blows air into the protective film 120, the protective film 120 expands and can invade the recessed hole 7112 area to tighten the protective film 120. At the same time, the boss 7113 can further prevent the protective film 120 from falling into the negative pressure channel 711.

[0049] In one embodiment, a fixing structure 750 may be further provided in the negative pressure channel 711 , and the fixing structure 750 may be used to position the insertion membrane assembly 10 installed in the negative pressure channel 711 , and may position the insertion portion 310 inserted into the protective film 120 .

[0050] For ease of explanation, the specific structure of the insertion membrane assembly 10 provided in the embodiment of the present application is first described here.

[0051] Please also see Figure 6-Figure 8 The insertion membrane assembly 10 provided in the embodiment of the present application may include: a front end seat 110, a protective film 120 and an instrument tube 130, wherein the distal end of the front end seat 110 may be transparently provided, and the distal end of the front end seat 110 has a sealing area 111 and an open area 112 in the radial direction, the sealing area 111 may be used for docking the insertion part 310, and the open area 112 may be used for docking the instrument tube 130. Specifically, in this embodiment, the front end may include a bottom wall and a side wall 114, the side wall 114 may be connected to the bottom wall and extend in the first direction 20, and the side wall 114 may be provided as a petal structure so that the side wall 114 can be opened after being subjected to a radially outward force.

[0052] The protective film 120 may be formed with an installation channel 121, and the installation channel 121 may be used for inserting the insertion portion 310 and the instrument tube 130. It should be noted that in this embodiment, the sealing area 111 and the open area 112 are also in a sealed state, so that the insertion portion 310 located in the installation channel 121 will not be affected by the instrument tube 130 and will not be polluted by the external environment. The distal end of the protective film 120 may be sealed to the front end seat 110 and extend in the first direction 20.

[0053] It is understandable that the embodiment of the present application does not limit the specific sealing area 111 of the protective film 120. In one embodiment, only the portion that interfaces with the sealing area 111 may be sealed. In another embodiment, the distal end of the entire protective film 120 may be sealed. After the insertion portion 310 and the instrument tube 130 are covered with the film, the opening area 112 may be opened. The specific setting may be based on actual conditions and is not limited here.

[0054] It can be understood that when the protective film 120 is configured to seal only the portion that interfaces with the sealing area 111, the insertion membrane assembly 10 may further include an equipment membrane 140, which is detachably attached to the surface of the front end seat 110 and is used to seal the open area 112 of the front end seat 110, thereby preventing gas from leaking from the open area 112 when the blowing device 740 blows air into the protective film 120.

[0055] It should be noted that the embodiments of the present application do not limit the specific position where the protective film 120 is connected to the front end seat 110. For example, in one embodiment, the protective film 120 can be connected to the side wall 114 of the front end seat 110. In another embodiment, the protective film 120 can be connected to the bottom wall of the front end seat 110. In another embodiment, the protective film 120 can be connected to both the side wall 114 and the bottom wall of the front end seat 110. The specific settings can be made according to actual conditions and are not limited here.

[0056] Also, please refer again to Figure 4 In some embodiments, the proximal end of the protective film 120 may have a flared section 123, and the radial dimension of the flared section 123 may be greater than the radial dimension of other areas of the protective film 120. It can be understood that since the proximal end of the protective film 120 is used to be sleeved on the surface of the proximal end of the insertion part 310, and the proximal end of the insertion part 310 is usually larger in size, the aforementioned setting of the protective film 120 can make the structure of the protective film 120 more matched with the structure of the insertion part 310, which can facilitate the protective film 120 to be more tightly sleeved on the outer surface of the insertion part 310.

[0057] The instrument tube 130 can be disposed in the installation channel 121, and can be sealed and connected to the open area 112, and extend in the first direction 20, that is, in this embodiment, the instrument tube 130 is pre-integrated with the front end seat 110, which can facilitate the subsequent sheathing operation of the insertion part 310. The interior of the instrument tube 130 is connected to form an instrument channel 131.

[0058] Please refer again Figure 2 In some embodiments, a functional device 80 may be further provided at the distal end of the instrument tube 130, such as a negative pressure valve or an instrument plug, which may be specifically provided according to the operation that the operator needs to perform. For example, when the operator needs to suck out foreign matter in the patient's body, the functional device 80 may be provided as a negative pressure valve; when the operator needs to remove foreign matter in the patient's body, the functional device 80 may be provided as an instrument plug, etc.

[0059] Since the side wall 114 of the front end seat 110 is configured to open after being subjected to a radial outward force, when the blowing device 740 blows air into the protective film 120, the front end seat 110 can expand, thereby allowing the distal end of the protective film 120 to expand, thereby facilitating the docking of the insertion part 310 with the sealing area 111.

[0060] Please also see Figure 5 and Figure 8 Furthermore, in one embodiment, the inserting portion membrane assembly 10 may further include a limiting structure 150, which may be disposed on the inner wall of the mounting channel 121 and radially protruded inwardly to fix the inserting portion 310 extending into the mounting channel 121. The embodiment of the present application does not limit the specific form of the limiting structure 150, for example, in one embodiment, the limiting structure 150 may be a limiting ring, and in another embodiment, the limiting structure 150 may be a limiting bump, etc., which may be specifically configured according to actual conditions.

[0061] In addition, the embodiment of the present application does not limit the specific position of the limiting structure 150. For example, in one embodiment, the limiting structure 150 can be set on the inner wall of the protective film 120. For example, in another embodiment, the limiting structure 150 can be set on the side wall 114 of the front seat 110 and located at the end of the side wall 114 away from the bottom wall. When the radial outward force on the side wall 114 disappears, the side wall 114 can return to its original state. In this process, the limiting structure 150 can move the insertion part 310 toward the distal end of the protective film 120, so that the insertion part 310 can be more closely abutted against the protective film 120, thereby making it easier to cover the insertion part 310.

[0062] In one embodiment, the limiting structure 150 may also be configured such that the size of the limiting structure 150 gradually decreases in the radial inward direction of the installation channel 121 , thereby preventing the limiting structure 150 from occupying too much space in the installation channel 121 .

[0063] In some other embodiments, a heating glue may be further provided at one end of the limiting structure 150 away from the side wall 114. When the limiting structure 150 contacts the insertion part 310, friction is generated between the limiting structure 150 and the insertion part 310 to drive the insertion part 310 to move toward the distal end of the protective film 120. The aforementioned friction generates a certain amount of heat, which can melt the heating glue to further enhance the connection stability between the front end seat 110 and the insertion part 310.

[0064] As mentioned above, the fixing structure 750 can also be used to fix the front end seat 110. When the position of the front end seat 110 is fixed, the position of the protective film 120 is also fixed. This can facilitate the user to align the insertion part 310 with the sealing area 111 of the front end seat 110 and abut the distal end of the insertion part 310 against the front end seat 110.

[0065] The embodiments of the present application also do not limit the specific form and structure of the fixing structure 750. For example, in one embodiment, the fixing structure 750 may be an airbag, so that the fixing structure 750 can be in soft contact with the front end seat 110 and the protective film 120, thereby avoiding rupturing the protective film 120 or damaging the front end seat 110.

[0066] Please refer again Figure 5 In some embodiments, the sheathing tool 1 may further include a first lifting mechanism 760, which may be disposed on the bottom surface of the negative pressure channel 711 and used to adjust the depth of the negative pressure channel 711, so that the negative pressure channel 711 can be adapted to insertion portions 310 of more sizes and specifications, thereby helping to improve the applicability of the entire sheathing tool 1.

[0067] Also, please refer again to Figure 1 and Figure 2In some embodiments, the sheath tool 1 may further include a second lifting mechanism 770, which may be connected to the surface of the base 710. The second lifting mechanism 770 may be used to install and drive the endoscope 30 to move up and down, thereby driving the insertion part 310 to move up and down in the negative pressure channel 711, so as to send the distal end of the insertion part 310 into the negative pressure channel 711 and abut against the distal end of the protective film 120, so as to improve the automation of the entire sheath tool 1. The insertion part membrane assembly 10 provided in the embodiment of the present application is provided with a sealing area 111 and an open area 112 on the front end seat 110, and the protective film 120 is sealed and connected to the front end seat 110, and the instrument tube 130 is sealed and connected to the open area 112. At this time, the instrument channel 131 formed in the instrument tube 130 is sealed relative to the installation channel 121 in the protective film 120. The front end seat 110 is configured to include a base 113 and a side wall 114, and the side wall 114 is configured to be a petal-shaped structure, so that the side wall 114 can open after being subjected to a radially outward force, thereby reserving sufficient installation space for the insertion part 310, reducing and avoiding the insertion part 310 from touching the inner wall of the protective film 120 when being inserted into the protective film 120, causing the protective film 120 to generate wrinkles on the surface of the insertion part 310, and when the radially outward force on the side wall 114 disappears, the side wall 114 of the petal-shaped structure will recover. During this process, the side wall 114 can give the insertion part 310 located in the installation channel 121 a downward force, thereby facilitating the distal end of the insertion part 310 to be pressed against the distal end of the protective film 120. The insertion portion membrane assembly 10 provided in the embodiment of the present application can expand the protective film 120 when the insertion portion 310 is covered, so as to facilitate the rapid covering operation of the distal end of the insertion portion 310, and after the covering of the distal end of the insertion portion 310 is completed, the distal end of the insertion portion 310 will be driven to continue to move toward the distal end of the protective film 120, so as to press the distal end of the insertion portion 310 against the distal end of the protective film 120, thereby solving the problem of time-consuming, labor-intensive and difficult covering of the insertion portion 310 of the endoscope 30 in the prior art. When the above-mentioned insertion portion membrane assembly 10 is applied to the covering tool 1, the aforementioned problem can also be solved.

[0068] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0069] In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in a reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

[0070] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An insert membrane assembly, characterized in that: Used for an endoscope, the endoscope comprises an insertion portion, and the insertion portion membrane assembly comprises: A front end seat, the distal end of which is transparent, and the distal end of which has a sealing area and an open area in a radial direction; A protective film, wherein a mounting channel is formed in the protective film, the proximal end of the protective film is open, the distal end of the protective film is sealed and connected to the front end seat and extends in a first direction, the proximal end of the protective film has a flared section, and the radial dimension of the flared section is greater than the radial dimension of other areas of the protective film; and, An instrument tube, the instrument tube is arranged in the installation channel, the instrument tube is sealed and connected to the open area and extends along the first direction, and the interior of the instrument tube is through-arranged to form an instrument channel; Wherein, the front end seat includes: a bottom wall and a side wall, the side wall is connected to the bottom wall and extends in the first direction, and the side wall is a petal-shaped structure so that the side wall can open after being subjected to a radial outward force.

2. The insertion membrane assembly according to claim 1, characterized in that: The insertion portion membrane assembly further includes a limiting structure, which is arranged on the inner wall of the installation channel and protrudes radially inwardly to fix the insertion portion extending into the installation channel.

3. The insertion membrane assembly according to claim 2, characterized in that: In the radial inward direction of the installation channel, the size of the limiting structure gradually decreases; And / or, the limiting structure is arranged on the side wall and is located at an end of the side wall away from the bottom wall; And / or, a heating glue is provided at one end of the limiting structure away from the side wall.

4. A film covering tool, characterized in that: It comprises an inserting membrane assembly as described in any one of claims 1 to 3 and a sleeve device, wherein the sleeve device has a negative pressure channel for inserting the inserting membrane assembly.

5. The film covering tool according to claim 4, characterized in that: The insertion membrane assembly further includes: a device membrane, which is detachably attached to the distal end surface of the front end seat and is used to seal the open area; the membrane device includes: A substrate, wherein a negative pressure channel is formed inside the substrate and communicated with a surface of the substrate; A sealing cover, which is connected to the base and can selectively seal or open the negative pressure channel; An air extraction device, the air extraction device is connected to the negative pressure channel, the air extraction device is used to extract the air in the negative pressure channel and selectively block or connect the negative pressure channel with the outside world; and, A blowing device is connected to the negative pressure channel. The blowing device is used to blow gas into the interior of the protective film after the insertion membrane assembly is installed in the negative pressure channel, so that the protective film expands and fits tightly against the inner wall of the negative pressure channel.

6. The film covering tool according to claim 5, characterized in that: A support ring is arranged at the proximal end of the protective film, and the proximal end of the negative pressure channel has a bearing surface for bearing the support ring. The side wall of the negative pressure channel also has a radially outward recessed hole. In the axial direction of the negative pressure channel, the recessed hole is located on one side of the bearing surface, and a boss is formed between the recessed hole and the bearing surface.

7. The film covering tool according to claim 5, characterized in that: A fixing structure is provided in the negative pressure channel, and the fixing structure is used to fix the front end seat after the insertion portion membrane assembly is installed in the negative pressure channel and the insertion portion abuts against the sealing area.

8. The film covering tool according to claim 5, characterized in that: The film covering device further includes: a first lifting mechanism, which is arranged on the bottom surface of the negative pressure channel and is used to adjust the depth of the negative pressure channel.

9. The film covering tool according to any one of claims 5 to 8, characterized in that: The sheathing tool further includes: a second lifting mechanism, which is connected to the surface of the base body and is used to install and drive the endoscope to move up and down, so as to drive the insertion part to move up and down in the negative pressure channel.

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