Front end seat, front end assembly, insertion part and endoscope

Abstract

The utility model discloses a front end seat, a front end assembly, an insertion portion and an endoscope, and relates to the technical field of medical instruments, a mounting cavity is arranged in the front end seat, the mounting cavity is used for mounting a functional device, the front end seat further comprises a supporting arm and a limiting portion, and the limiting portion is arranged in the mounting cavity of the front end seat in a protruding mode and used for limiting and restraining the functional device. The supporting arm is arranged on the near end side of the front end base, at least part of the supporting arm is located in the axial projection of the limiting part, and the supporting arm is connected with the limiting part. At least part of the supporting arm is located in the projection, in the axial direction, of the limiting part, reuse of the near-end space of the front end base can be achieved, the space, located on the near-end side of the limiting part, of the front end base is not wasted, it is guaranteed that the supporting arm has a larger arrangement space, and it is guaranteed that the supporting arm can have enough strength. By means of the arrangement, the size of the front end base can be reduced, the passing ability of the insertion part is improved, meanwhile, the strength of the supporting arm can be improved, and the reliability of the endoscope is improved.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a front end seat, a front end component, an insertion part, and an endoscope. Background Technology

[0002] An endoscope is a commonly used medical device that can directly enter the body's natural passages to provide doctors with comprehensive diagnostic information for disease treatment. An endoscope includes a tip assembly that can be inserted into the body through a cavity or surgical incision. The tip assembly is equipped with an illumination module and a camera module. The illumination module illuminates the inside of the body cavity, while the camera module captures images of the cavity and transmits them back to an external display device for doctors to observe the internal condition.

[0003] The front end has a connecting structure for connecting with the mating structure of the insertion part. This connecting structure occupies space, increasing the overall size of the front end. Consequently, the larger the front end, the less accessible the insertion part becomes, thus reducing the effectiveness of the endoscope. Utility Model Content

[0004] In view of the shortcomings of the above-mentioned related technologies, this application provides a front end holder, a front end component, an insertion part, and an endoscope to solve the above-mentioned technical problems.

[0005] This application provides a front end mount for an endoscope. The front end mount has a mounting cavity for mounting functional devices. The front end mount also includes a support arm and a limiting part. The limiting part protrudes from the mounting cavity of the front end mount and is used to limit and constrain the functional devices. The support arm is disposed on the proximal side of the front end mount and is at least partially located within the axial projection of the limiting part. The support arm and the limiting part are interconnected and are used to support the mating structure on the proximal side of the front end mount.

[0006] To achieve the above and other related objectives, this application provides a front-end component, including the aforementioned front-end mount and a functional device, wherein the functional device is mounted within a mounting cavity.

[0007] To achieve the above and other related objectives, this application provides an insertion part, including the aforementioned front end component.

[0008] To achieve the above and other related objectives, this application provides an endoscope including the aforementioned insertion portion.

[0009] The technical solution adopted in this utility model achieves the following beneficial effects: The limiting part of the front end seat is used to limit and constrain the functional devices within the front end seat, thereby fixing the functional devices within the front end seat and improving the stability of the insertion part. The support arm is located on the proximal side of the front end seat and can be connected to the mating structure support, such as the snake head segment or adapter ring, etc. The support arm enables the assembly operation of the insertion part. In addition, at least a portion of the support arm is located within the axial projection of the limiting part, which enables the reuse of the proximal space of the front end seat, that is, without wasting the space of the front end seat located on the proximal side of the limiting part, and also ensures that the support arm has a larger installation space to ensure that the support arm has sufficient strength. With a support arm of the same volume or strength, the volume of the front end seat can be configured to be smaller. This configuration can reduce the volume of the front end seat to improve the passage of the insertion part, while also improving the strength of the support arm and improving the reliability of the endoscope. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of the front-end mount structure shown in an exemplary embodiment of this application;

[0012] Figure 2 This is a schematic diagram of the structure of a front-end component shown in an exemplary embodiment of this application;

[0013] Figure 3 This is a schematic diagram of the front-end component structure from another perspective, illustrating an exemplary embodiment of this application;

[0014] Figure 4 This is a schematic diagram of the front-end mount from another perspective, illustrating an exemplary embodiment of this application;

[0015] Figure 5 This is a schematic diagram illustrating another front-end mount structure, as shown in an exemplary embodiment of this application;

[0016] Figure 6 This is a cross-sectional schematic diagram of the front-end mount shown in an exemplary embodiment of this application;

[0017] Figure 7 This is a schematic diagram of the front-end base and functional devices shown in an exemplary embodiment of this application;

[0018] Figure 8This is a schematic diagram of the structure of an endoscope shown in an exemplary embodiment of this application.

[0019] In the figure: 1. Endoscope; 100. Front end assembly; 110. Front end seat; 111. Mounting cavity; 120. Support arm; 121. Outer side wall; 122. Inner side wall; 123. Positioning block; 124. First support arm; 125. Second support arm; 130. Limiting part; 131. Extension part; 140. Functional device; 141. Camera module; 142. Illumination module; 143. Instrument tube; 150. Mating structure; 200. Insertion part. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0022] In the various embodiments of this application, "near end" and "far end" refer to the distance of each component from the user in the usage environment. The end closer to the user is designated as the "near end", and the end farther from the user is designated as the "far end".

[0023] In existing technology, the front end cap has a connecting structure for connecting with the mating structure of the insertion part. This connecting structure occupies space, increasing the overall volume of the front end cap. It also occupies radial space near the front end cap, increasing its proximal volume. Consequently, the larger the front end cap, the less permeable the insertion part becomes, thus weakening the effectiveness of the endoscope.

[0024] This application provides a front-end socket 110, please refer to... Figure 1The front end 110 is used for the endoscope 1. The endoscope 1 may include an insertion part 200, and the front end 110 can be used in the front end assembly 100 of the insertion part 200. The insertion part 200 can be bent in a specified direction so that the front end 110 is oriented in a preset direction to complete subsequent operations.

[0025] Please see Figure 1 The front-end base 110 can be a cylindrical structure, and the front-end base 110 has a mounting cavity 111 for mounting the functional device 140. For example, Figure 2 and Figure 3 As shown, the functional device 140 includes, but is not limited to, a camera module 141, an illumination module 142, an instrument tube 143, or a combination thereof. The mounting cavity 111 provides a stable space, and the front end seat 110 can also restrain the functional device 140 to prevent the functional device 140 from being exposed or damaged, thereby improving the protection capability of the functional device 140.

[0026] Among them, such as Figure 2 As shown, the camera module 141 can acquire image information in front of the endoscope 1 and transmit it back to an external display device for observation by medical personnel. Furthermore, the camera module 141 can be cube-shaped, and the camera cavity can also be cube-shaped, with the size of the camera cavity slightly larger than that of the camera module 141, and the camera module 141 can be installed inside the camera cavity.

[0027] The camera module 141 may include a camera, which may be a complementary metal oxide semiconductor (CMOS) camera or a charge-coupled device (CCD) camera, etc. This embodiment does not limit the type and size of the camera.

[0028] Furthermore, the lighting module 142 is installed inside the lighting cavity, and the lighting module 142 can illuminate the front of the front-end component 100 so that the camera module 141 can capture image information with sufficient brightness. The lighting module 142 may include LED beads, etc., and this embodiment does not limit the structure and type of the lighting module 142.

[0029] like Figure 2 As shown, the instrument tube 143 is a tubular structure that can accommodate instruments such as biopsy forceps, lasers, or combinations thereof. Furthermore, the instrument tube 143 can also aspirate or inject media, including physiological saline, patient fluids, etc., without limitation.

[0030] For further details, please refer to the following: Figure 1The front end seat 110 may further include a support arm 120 and a limiting part 130. The limiting part 130 protrudes into the mounting cavity 111 of the front end seat 110; in other words, the limiting part 130 protrudes into the cavity wall of the mounting cavity 111. The limiting part 130 is used to limit and constrain the functional device 140, and the constraining method can be adhesion, abutment, etc., without restriction. The limiting part 130 of the front end seat 110 is used to limit and constrain the functional device 140 within the front end seat 110, so that the functional device 140 is fixed within the front end seat 110, improving the stability of the insertion part 200.

[0031] In some other cases, the front end 110 can be integrally molded, that is, the support arm 120 and the limiting part 130 are both integrally injection molded, which improves the stability and production efficiency of the front end 110.

[0032] Please continue reading. Figure 1 The support arm 120 is connected to the limiting part 130 and is used to support the mating structure 150 on the proximal side of the front end seat 110. The mating structure 150 includes, but is not limited to, the first segment of the snake bone assembly or an adapter ring, etc., and is not limited here. The support arm 120 is located on the proximal side of the front end seat 110 and can connect to the mating structure 150, enabling the assembly operation of the insertion part 200. The support arm 120 supports and connects the mating structure 150, improving the structural stability of the insertion part 200.

[0033] The support arm 120 is disposed on the proximal side of the front end seat 110 and is at least partially located within the axial projection of the limiting portion 130. This allows for the reuse of the proximal space of the front end seat 110, i.e., without wasting the space of the front end seat 110 located on the proximal side of the limiting portion 130, and also ensures that the support arm 120 has a larger installation space to ensure that the support arm 120 has sufficient strength. This arrangement can reduce the volume of the front end seat 110 to improve the passage of the insertion portion 200, while also improving the strength of the support arm 120 and improving the reliability of the endoscope 1.

[0034] Please refer to the embodiments in this application. Figure 4 The orientation of the inner sidewall 122 of the support arm 120 corresponds to the protruding direction of the limiting part 130. For example, Figure 4As shown in L1, the protruding direction of the limiting part 130 can be approximately the vertical direction from the top of the limiting part 130 (i.e., the furthest point of the limiting part 130 from the inner sidewall 122) to the inner sidewall 122. Corresponding arrangement means that the orientation of the inner sidewall 122 and the protruding direction are approximately collinear, meaning there can be a certain angle between them, such as 5°, 10°, or 20°, etc., without limitation. With the same structure of support arm 120, compared to the case of non-corresponding arrangement, the corresponding arrangement ensures that the outer sidewall 121 of the support arm 120 has no protruding portion, avoiding its impact on the structure and volume of the mating structure 150 and the front end seat 110, and also preventing the protruding portion from scratching the outer skin. Each part of the inner sidewall 122 of the support arm 120 occupies the proximal side of the limiting part 130, which also benefits the spatial distribution of the support arm 120.

[0035] In one implementation, please continue reading Figure 4 The outer wall 121 of the support arm 120 can be a first arc surface, and the center of the first arc surface is located on the side of the support arm 120 near the central axis of the front seat 110. The outer wall 121 of the support arm 120 does not have any protruding structures; avoiding protruding structures reduces the impact on the volume of the front seat 110. Furthermore, the center of the first arc surface can be located on the central axis of the front seat 110, which makes the distance between the outer wall 121 of the support arm 120 and the outer surface of the front seat 110 equal everywhere. This makes the support arm 120 more evenly stressed, avoids local overload, and improves the overall strength of the front seat 110.

[0036] For further information, please refer to [link / reference]. Figure 4 The inner wall 122 of the support arm 120 can also be a third arc surface, with the centers of the first and third arc surfaces coinciding. This allows the support arm 120 to be evenly distributed radially in the front seat 110, making the support arm 120 more uniformly stressed, avoiding internal force concentration, and improving the structural stability and safety of the support arm 120.

[0037] In other cases, please refer to Figure 5 The inner wall 122 of the support arm 120 can also be a plane, and the outer wall 121 of the support arm 120 can be a first arc surface. This makes the support arm 120 thicker in the middle and thinner on both sides. This allows the thinner side parts of the support arm 120 to deform more easily, while the thicker middle part of the support arm 120 can provide support, maintain structural strength, and prevent damage caused by excessive deformation of the support arm 120.

[0038] In another implementation, please refer to Figure 4 The sidewall of the limiting portion 130 is a second arc surface, which is adapted to engage with the functional device 140 to provide radial limiting for the functional device 140. For example, as...Figure 3 As shown, the functional component 140 can be an instrument tube 143. The second arc surface is adapted to the outer surface of the instrument tube 143, and it can abut against the instrument tube 143, restricting the movement of the instrument tube 143 in the radial direction. Furthermore, the second arc surface can be bonded to the instrument tube 143, which improves the safety of use. The limiting fit setting can improve the structural stability of the instrument tube 143.

[0039] In other cases, the second arc surface can also constrain the lighting module 142 or the camera module 141, providing corresponding limit constraints to ensure the structural stability of the front end 110 and the functional device 140.

[0040] Please refer to the embodiments in this application. Figure 4 The inner sidewalls 122 of the support arm 120 extend to the edges of the limiting portion 130 at their opposite ends. By extending the inner sidewalls 122 of the support arm 120, the space occupied by the support arm 120 on the proximal side of the limiting portion 130 is increased. This design can more effectively utilize the space provided on the proximal side of the limiting portion 130. The extension of the inner sidewalls 122 of the support arm 120 increases the contact area with the limiting portion 130, thereby enabling the support arm 120 to provide more stable support. Furthermore, for the same volume or strength, the front end seat 110 can be configured to be smaller. Reducing the volume of the front end seat 110 improves the passability of the insertion portion 200 while also increasing the strength of the support arm 120 and improving the reliability of the endoscope 1.

[0041] In the embodiments of this application, please refer to Figure 6 An extension 131 is provided at the proximal end of the limiting portion 130. The surface of the extension 131 can be curved, flat, etc., and this embodiment is not limited thereto. The extension 131 protrudes from the proximal end face of the front end seat 110. The extension 131 is located on the side of the support arm 120 near the central axis of the front end seat 110 and connects to the inner sidewall 122 of the support arm 120. The extension 131 can connect to the side of the support arm 120, further increasing the connection area and connection stability between the support arm 120 and the front end seat 110. Furthermore, the extension 131 can provide support force to the support arm 120, and the direction of the support force can be away from the central axis of the front end seat 110. The extension 131 can increase the structural strength of the support arm 120 and prevent the support arm 120 from deforming excessively toward the central axis of the front end seat 110, so that the support arm 120 can press the mating structure 150 toward the central axis away from the front end seat 110, thereby ensuring that the support arm 120 can be stably connected with the mating structure 150.

[0042] In the embodiments of this application, please refer to Figure 4The limiting part 130 and the support arm 120 are both at least two, such as two, three, or even more; this embodiment is not limited. At least two support arms 120 are distributed circumferentially around the front end seat 110. Multiple support arms 120 work together on the front end seat 110. This design of multiple support arms 120 allows the front end seat 110 to evenly distribute the load to each support arm 120 when subjected to external loads, thereby preventing deformation or failure of the front end seat 110 due to localized overload. Figure 7 As shown, at least two support arms 120 include a first support arm 124 and a second support arm 125, which are spaced apart and can be connected to the mating structure 150. A limiting part 130 corresponds one-to-one with each support arm 120. Furthermore, both the first support arm 124 and the second support arm 125 are connected to their respective limiting parts 130. This forms a multi-point connection, improving the fixing effect of the multiple support arms 120. This constraint allows the support arms 120 to maintain their position when subjected to external forces, thereby increasing the stability between the mating structure 150 and the front end seat 110.

[0043] For a better option, please continue reading. Figure 4 At least two support arms 120 are located on the same circumference. Further, the center of this circumference can be located on the central axis of the front end seat 110. For example, as shown... Figure 4 As shown, the first support arm 124 and the second support arm 125 are correspondingly arranged and located on the same circumference. This allows both the first support arm 124 and the second support arm 125 to connect with the mating structure 150, increasing stability. Simultaneously, the two limiting parts 130 can act on a single functional device 140, such as the instrument tube 143, with both abutting against the sidewall of the functional device 140 in different directions to ensure stability. During this process, the different limiting parts 130 of the limiting functional device 140 are utilized without adding other structures, further improving the connection effect and space utilization. Furthermore, when multiple support arms 120 are distributed along the circumference, it avoids one of them protruding, eliminating the need for a single support arm 120 to bear all or most of the support connection requirements. This helps to distribute force evenly, allowing each support arm 120 to be designed more compactly, thereby reducing the overall radial dimension of the front end 110.

[0044] In the embodiments of this application, please refer to Figure 4At least one of the multiple support arms 120 is provided with a positioning block 123 for circumferential positioning of the front end seat 110. For example, the positioning block 123 can be a protrusion, and the mating structure 150 on the proximal side of the front end seat 110 has a corresponding groove. When the support arm 120 is connected to the mating structure 150, the protrusion engages with the groove, preventing the front end seat 110 from rotating circumferentially (i.e., in the direction of rotation about the axis). This allows radial movement between the front end seat 110 and the mating structure 150 for assembly, but restricts rotation to ensure structural stability.

[0045] To achieve the above and other related objectives, this application provides a front-end component 100. Please refer to [link / reference]. Figure 3 The front-end component 100 may include the aforementioned front-end base 110 and functional device 140, with the functional device 140 installed within the mounting cavity 111. This gives the insertion part 200 the beneficial effects of any of the aforementioned solutions, which will not be elaborated further here. The functional device 140 includes, but is not limited to, a camera module 141, an illumination module 142, and an instrument tube 143, etc., and is not limited thereto.

[0046] To achieve the above and other related objectives, this application provides an insertion part 200. Please refer to [link to relevant documentation]. Figure 8 The insertion part 200 includes the aforementioned front end assembly 100. This gives the insertion part 200 the beneficial effects of any of the aforementioned solutions, which will not be elaborated further here. In addition, the insertion part 200 may also include a curved section, the distal end of which is provided with a mating structure 150, such as a snake-like proximal segment or an adapter ring, etc. The curved section is connected to the front end seat 110 through the mating structure 150. The curved section can be an actively curved section, a passively curved section, or a combination of both, etc., capable of bending in a specified direction so that the front end seat 110 faces a preset direction, thereby enabling functional devices 140, including but not limited to the camera module 141, the illumination module 142, and the instrument tube 143, to face the preset direction and perform observation or injection of media, etc.

[0047] To achieve the above and other related objectives, this application provides an endoscope 1. Please refer to [link to application]. Figure 8 The endoscope 1 includes the aforementioned insertion portion 200. This gives the endoscope 1 the beneficial effects of any of the aforementioned solutions, which will not be elaborated further here. The endoscope 1 in this embodiment can be a nephroscope, bronchoscope, esophagoscope, gastroscope, colonoscope, otoscope, rhinoscope, oral endoscope, laryngoscope, colposcope, laparoscope, arthroscope, etc.

[0048] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0049] Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than 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.

[0050] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A front end mount for an endoscope, characterized by, The front end seat has a mounting cavity in it for mounting a functional device, the front end seat further comprises a support arm and a limiting part, the limiting part is protruded in the mounting cavity of the front end seat and used for limiting and constraining the functional device, the support arm is arranged at the proximal end side of the front end seat and at least partially located in the axial projection of the limiting part, the support arm and the limiting part are connected with each other and used for supporting the mating structure at the proximal end side of the front end seat.

2. The front end housing of claim 1, wherein, The inner side wall of the support arm is correspondingly arranged with the protruding direction of the limiting part.

3. The front end housing of claim 2, wherein, The outer side wall of the support arm is a first arc surface, and the center of the first arc surface is located at the side of the support arm close to the central axis of the front end seat. The side wall of the limiting part is a second arc surface, which is suitable for limiting cooperation with the functional device to provide radial limiting for the functional device.

4. The front end housing of claim 1, wherein, The opposite ends of the inner side wall of the support arm extend to the edge of the limiting part.

5. The front end housing of claim 4, wherein, The proximal end of the limiting part is provided with an extension part, which is located at the side of the support arm close to the central axis of the front end seat and connected with the inner side wall of the support arm.

6. The front end housing of claim 1, wherein, The number of the limiting part and the support arm is at least two, the at least two support arms are distributed along the circumference of the front end seat, and the limiting part and the support arm are one-to-one corresponding.

7. The front end housing of claim 6, wherein, The at least two support arms are located on the same circumference. At least one of the plurality of support arms is provided with a positioning block for circumferential positioning of the front end seat.

8. A front end assembly characterized in that, The front end seat and the functional device are arranged in the mounting cavity.

9. An insertion portion characterized by, The front end assembly is arranged as claimed in claim 8.

10. An endoscope characterized by comprising: The insertion part is arranged as claimed in claim 9.

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