High-position anal dilatation device
By designing the endoscope tube and core structure of the high-position anal dilator, the problems of narrow observation window and difficulty in removing the endoscope plug were solved, thus expanding the field of view of the anorectal wall and facilitating the removal of the endoscope core, thereby improving the observation and surgical effects of anorectal examinations.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN ZHONGXIN XIANGRUI MEDICAL TECH CO LTD
- Filing Date
- 2025-01-15
- Publication Date
- 2026-04-24
AI Technical Summary
The detection window of existing anal dilators is small, which cannot effectively expand the observation range, and the contact area between the endoscope and the hand is small, making it difficult to quickly remove the endoscope core.
A high-position anal dilator was designed with an open front end of the endoscope tube, an internal groove-shaped opening and a bevel, and a closed elliptical endoscope plug. The endoscope core can be pulled out and pulled out inside the endoscope tube. It is used in conjunction with an electronic anorectal examination endoscope to increase the field of view and avoid assembly interference.
It effectively expands the field of vision of the anorectal wall, facilitates the removal of the endoscope core, and, when used in conjunction with an electronic anorectal endoscope, improves the efficiency and convenience of rectal observation and surgery.
Smart Images

Figure CN224155655U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a high-position anal dilator, belonging to the field of anorectal examination endoscopes. Background Technology
[0002] An electronic anoscope is a device or instrument used to examine lesions in the rectum or anus. It is a commonly used tool for anorectal examinations and can be used to detect lesions in the anal canal, the distal rectum, and near the dentate line. It can also be used for biopsies.
[0003] When using it, the anoscope needs to be inserted slowly, first towards the abdomen, then 2-3 cm in, and then towards the sacrum and coccyx. Insert the anoscope completely into the rectum, then remove the anoscope plug and slowly withdraw it to observe the rectum and anal canal area.
[0004] Currently, the detection window of anal dilators is small, allowing only local observation and surgical procedures. Furthermore, the contact point between the endoscope and the hand in traditional anal dilators is a circular plate, with a narrow gap between the endoscope and the inner surface of the endoscope, making it impossible for the user's fingers to be inserted and the endoscope core to be quickly removed.
[0005] Therefore, this utility model first provides a high-position dilator that expands the observation window and facilitates the pulling of the telescope core. Utility Model Content
[0006] In view of this, the purpose of this utility model is to provide a high-position dilator that expands the observation window and facilitates the pulling of the telescope core.
[0007] This utility model is implemented as follows:
[0008] A high-level anal dilator includes a scope tube, the front end of which is housed inside the rectum of a human body and is an open end, and the rear edge of the scope tube is provided with an oblique opening.
[0009] A mirror core, wherein the mirror core is placed inside the lens barrel, and the end of the mirror core passes through the front end of the lens barrel and is exposed.
[0010] The lens barrel has a groove-shaped opening on its side, and the groove-shaped opening extends from the side of the lens barrel to the front end of the lens barrel.
[0011] The bottom end of the bevel extends to the plane where the top of the groove opening is located, 0.3-1cm away from the top of the groove opening.
[0012] As a further improvement, a hand-held plate for operation is inclinedly provided on the rear end of the lens barrel, and the position of the hand-held plate is symmetrical about the center of the lens barrel to the position of the inclined opening.
[0013] As a further improvement, the mirror core includes a core rod, a plug, and a limiting plate, with a plug and a limiting plate respectively provided at the front and rear ends of the core rod.
[0014] As a further improvement, the front end of the plug is a closed ellipse.
[0015] As a further improvement, the core rod has a through hole inside, and the through hole extends to the center of the limiting plate.
[0016] As a further improvement, the lens barrel is made of plastic material.
[0017] As a further improvement, the cross-sectional shape of the bevel is a semi-elliptical curve.
[0018] As a further improvement, the surface of the handheld plate is provided with several protrusions.
[0019] As a further improvement, the end face of the front end of the lens barrel is flat.
[0020] As a further improvement, the end face width L1 at the rear end of the lens barrel is greater than the end face width L2 at the front end of the lens barrel.
[0021] The beneficial effects of this utility model are:
[0022] ① The endoscope core of this utility model is located inside the endoscope tube, and the plug of the endoscope core is exposed on the outside. After the endoscope tube enters the anus, the endoscope core is removed and discarded. Since the front end of the plug is closed and elliptical, it can enter the human rectum smoothly. The open design of the front end of the endoscope tube, combined with the groove opening, directly increases the exposed area of the rectum and effectively expands the field of vision of the anorectal wall. When used with an electronic anorectal endoscope, it can better observe and operate on the rectum.
[0023] ② The beveled design of this utility model creates a height difference between the limiting plate of the endoscope tube and the bevel, which facilitates the removal of the endoscope core and also adapts to the handle of the electronic anorectal endoscope to avoid assembly interference. Attached Figure Description
[0024] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0025] Figure 1 This utility model provides a schematic diagram of the structure of a high-position anal dilator. Figure 1 .
[0026] Figure 2 This utility model provides a schematic diagram of the structure of a high-position anal dilator. Figure 2 .
[0027] Figure 3 This is a schematic diagram of the assembly structure of a high-position anal dilator provided in an embodiment of the present invention.
[0028] Figure 4 This is a schematic diagram of the endoscope structure of a high-position anal dilator provided by an embodiment of the present invention. Figure 1 .
[0029] Figure 5 This is a schematic diagram of the endoscope structure of a high-position anal dilator provided by an embodiment of the present invention. Figure 2 .
[0030] Figure 6 This is a top view of a high-position anal dilator provided in an embodiment of the present invention.
[0031] Figure 7 This is a schematic diagram of the endoscope structure of a high-position anal dilator provided in this embodiment of the utility model. Detailed Implementation
[0032] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0033] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0034] Reference Figures 1-7As shown, this embodiment provides a specific implementation of a high-level anal dilator, including a scope 10. The front end of the scope 10 is housed inside the rectum of a human body, and this end is an open end. The rear edge of the scope 10 is provided with an oblique opening 101.
[0035] The mirror core 20 is placed inside the lens barrel 10, and the end of the mirror core 20 passes through the front end of the lens barrel 10 and is exposed.
[0036] The lens barrel 10 has a groove-shaped opening 102 on its side, and the groove-shaped opening 102 extends from the side of the lens barrel 10 to the front end of the lens barrel 10.
[0037] In practical use, the endoscope core is located inside the endoscope tube 10, and the plug of the endoscope core 20 is exposed. After the endoscope tube 10 enters the anus, the endoscope core 20 is removed and discarded. Since the front end of the plug 202 is closed and elliptical, it can enter the human rectum smoothly. The open design of the front end of the endoscope tube 10, combined with the groove-shaped opening, directly increases the exposed area of the rectum and effectively expands the field of vision of the anorectal wall. When used with an electronic anorectal endoscope, the rectum can be better observed and operated on.
[0038] The bottom end of the bevel 101 extends to the plane where the top of the groove opening 102 is located, and is 0.3-1cm away from the top of the groove opening 102.
[0039] As one possible specific implementation of the endoscope tube, the cross-sectional shape of the bevel 101 is a semi-elliptical curve. After the endoscope core is placed inside the endoscope tube 10, there is a height difference between the limiting plate of the endoscope tube 10 and the bevel 101. The endoscope core is also removed in order to adapt to the handle of the electronic anorectal endoscope and avoid assembly interference.
[0040] As a further improvement to the endoscope tube, a hand-held plate 103 for operation is inclinedly provided at the rear end of the endoscope tube 10. The position of the hand-held plate 103 and the position of the inclined opening 101 are symmetrical about the center of the endoscope tube 10. When the operator holds the endoscope, the contact area is large, making it easier to grip the hand-held plate and facilitating the operation of the electronic anorectal endoscope.
[0041] Furthermore, the surface of the handheld plate 103 is provided with several protrusions to increase the friction of the operator's hand, making it easy to remove the endoscope tube 10 and discard it directly after the later examination or surgery is completed.
[0042] The mirror core 20 includes a core rod 201, a plug 202, and a limiting plate 203. The core rod 201 has a plug 202 and a limiting plate 203 at its front and rear ends, respectively. The outer diameter of the core rod is smaller than the inner diameter of the mirror tube, so that the core rod can be accommodated inside the mirror tube, making it less likely to generate negative pressure and easy to remove and discard.
[0043] Furthermore, the front end of the plug 202 is a closed elliptical shape. When it is used with the endoscope tube, the front end of the endoscope tube is positioned rearward, and the plug first contacts the anorectal wall, which will not damage the soft tissue of the rectal wall and facilitates the advancement of the device.
[0044] Furthermore, the core rod 201 has a through hole 211 inside, and the through hole 211 extends to the center of the limiting plate 203, which reduces the overall weight of the mirror core, makes it easier to remove the mirror core, and prevents damage to the anal wall or negative pressure during the pulling process, allowing it to be directly removed and discarded.
[0045] As one possible specific embodiment of this utility model, the end face of the end of the end tube 10 is flat and directly contacts the rectal wall. It will not squeeze the rectal wall due to the softness and high elasticity of the rectal wall tissue, thus allowing the rectal wall to be fully exposed to the field of vision.
[0046] As one possible specific embodiment of this utility model, the end face width L1 of the rear end of the end tube 10 is greater than the end face width L2 of the front end of the end tube, forming a tube with variable diameter, which can be better placed in the human rectum during use.
[0047] As one possible specific embodiment of this utility model, the endoscope tube 10 is made of plastic material, which has high light transmittance and can quickly transmit light. When used with an electronic anorectal examination endoscope, there is sufficient light, which facilitates observation and surgery.
[0048] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A high-level anal dilator, characterized in that, Includes a scope tube (10), the front end of which is housed inside the rectum of a human body and is an open end, and the rear end edge of the scope tube (10) is provided with an oblique opening (101). A mirror core (20) is placed inside a lens barrel (10), and the end of the mirror core (20) is exposed outside through the front end of the lens barrel (10); The lens barrel (10) has a groove-shaped opening (102) on its side, and the groove-shaped opening (102) extends from the side of the lens barrel (10) to the front end of the lens barrel (10). The bottom end of the bevel (101) extends to the plane where the top of the groove opening (102) is located, 0.3-1cm away from the top of the groove opening (102).
2. The high-position anal dilator according to claim 1, characterized in that, The rear end of the lens barrel (10) is provided with an inclined hand plate (103) for operation, and the position of the hand plate (103) and the position of the oblique opening (101) are symmetrical about the center of the lens barrel (10).
3. The high-position anal dilator according to claim 1, characterized in that, The mirror core (20) includes a core rod (201), a plug (202) and a limiting plate (203), with a plug (202) and a limiting plate (203) respectively provided at the front and rear ends of the core rod (201).
4. The high-position anal dilator according to claim 3, characterized in that, The front end of the plug (202) is a closed ellipse.
5. The high-position anal dilator according to claim 3, characterized in that, The core rod (201) has a through hole (211) inside, and the through hole (211) extends to the center of the limiting plate (203).
6. The high-position anal dilator according to claim 1, characterized in that, The lens tube (10) is made of plastic material.
7. The high-position anal dilator according to claim 1, characterized in that, The cross-sectional shape of the oblique opening (101) is a semi-elliptical curve.
8. The high-position anal dilator according to claim 2, characterized in that, The surface of the handheld plate (103) is provided with several protrusions.
9. The high-position anal dilator according to claim 1, characterized in that, The end face of the front end of the lens tube (10) is flat.
10. The high-position anal dilator according to claim 9, characterized in that, The width L1 of the rear end face of the lens barrel (10) is greater than the width L2 of the front end face of the lens barrel (10).