Esophageal cardia stenosis dilator with visual function
By designing a transparent esophageal cardia stenosis dilator suitable for cooperation with ultrafine endoscopy, the problem of inability to observe the expansion situation in real time and health risks in the prior art is solved, and a safe and efficient expansion effect under direct endoscopy is achieved.
Patent Information
- Application Number
- CN202421149400.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing esophageal cardia stenosis dilators cannot observe the expansion in real time, and there is a risk of excessive expansion or perforation, and it needs to be operated under X-ray, which affects health.
A esophageal cardia stenosis dilator with visual function is designed, made of transparent material, with guide wire holes and endoscopic holes, suitable for matching with ultra-fine endoscopy, realizing expansion under direct endoscopy and real-time viewing of expansion status and effects.
The expansion of the esophageal cardia under endoscopic direct vision avoids the risk of excessive dilation or perforation, reduces the use of X-rays, and reduces the health damage to patients and doctors.
Smart Images

Figure CN222676306U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to medical equipment, in particular to an esophageal cardia stenosis dilator with a visual function. Background Art
[0002] Current dilators for esophageal cardia stenosis are Figure 1 As shown, the expander body 1 includes a straight section 11 and a tapered section 12 , two developing rings 4 are respectively arranged on the tapered section 12 , and a scale line is arranged on the straight section 11 .
[0003] An inner hole is provided in the dilator body, and the inner hole is a through hole for passing a guide wire;
[0004] The current problems with this type of esophageal cardia stenosis dilator are:
[0005] 1. Adding two developing rings increases the cost of raw materials and assembly;
[0006] 2. Patients and doctors are easily affected by X-rays, which may have an impact on their health;
[0007] 3. Bougies (expanders) of various specifications are expanded step by step, and the cost of consumables is higher;
[0008] 4. Due to the large outer diameter, it cannot pass through the endoscope channel hole, and can only be expanded step by step under X-ray monitoring;
[0009] 5. It is impossible to dilate under direct endoscopic vision, which may lead to the risk of over-dilation or perforation;
[0010] 6. It is impossible to view the expansion status and effects in real time.
[0011] In summary, the existing esophageal cardia stenosis dilator cannot observe the expansion status in real time during use, and there is a risk of over-expansion or perforation. Utility Model Content
[0012] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an esophageal cardia stenosis dilator with a visual function to solve the technical problems that the prior esophageal cardia stenosis dilator cannot observe the expansion status in real time during use and has over-expansion or perforation.
[0013] The technical solution adopted by the utility model to solve its technical problems is:
[0014] Provided is an esophageal cardia stenosis dilator with a visual function, comprising:
[0015] A dilator body, wherein a guide wire hole and an endoscope hole are provided in the dilator body; the guide wire hole is located at the front end, the endoscope hole is located at the rear end, and the endoscope hole and the guide wire hole are on the same axis;
[0016] The endoscope hole is larger than the guide wire hole, and a step surface is formed between the front end of the endoscope hole and the guide wire hole;
[0017] The endoscope hole is suitable for cooperating with the endoscope, and the step surface is suitable for abutting against the front end surface of the endoscope;
[0018] The expander body is made of transparent material.
[0019] Furthermore, scale lines are marked on the straight section of the expander body.
[0020] Furthermore, the diameter of the guide wire hole is 0.5-1.2 mm.
[0021] Furthermore, the aperture of the endoscope hole is less than 7 mm.
[0022] The beneficial effects of the utility model are:
[0023] The esophageal cardia stenosis dilator with a visual function of the utility model, when used in conjunction with an ultra-thin endoscope, can realize esophageal cardia dilation under direct endoscopic vision, can check the dilation status and effect in real time, and avoid the risk of over-dilation or perforation.
[0024] 2. Surgery does not need to be performed under X-ray monitoring, reducing the health damage of X-rays to patients and doctors.
[0025] 3. Use the tapered section to perform expansion under direct vision, avoiding the original step-by-step expansion operation, saving consumables and surgical time.
[0026] 4. The esophageal cardia stenosis dilator with visual function of the utility model reduces the use of developing rings in the processing process, reduces finished products, and improves processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] The utility model is further described below in conjunction with the accompanying drawings.
[0028] Figure 1 This is a schematic diagram of a traditional esophageal cardia stenosis dilator;
[0029] Figure 2 and Figure 3 It is a schematic diagram of the esophageal cardia stenosis dilator with visual function of the utility model;
[0030] Wherein, 1, dilator body, 11, straight section, 12, tapered section;
[0031] 21. Guidewire hole, 22. Endoscope hole;
[0032] 3. Endoscopy;
[0033] 4. Development ring. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0035] The present application provides an esophageal cardia stenosis dilator with a visual function, which is described in detail below. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.
[0036] In order to solve the technical problem that the dilator for esophageal cardia stenosis in the prior art cannot observe the dilation status in real time during use, and there is over-dilation or perforation, an embodiment of the present application provides a dilator for esophageal cardia stenosis with a visual function, which is described in detail below.
[0037] like Figure 2 Figure 3 As shown, a dilator for esophageal cardia stenosis with visualization function comprises
[0038] A dilator body 1, wherein a guide wire hole 21 and an endoscope hole 22 are provided in the dilator body 1; the guide wire hole 21 is located at the front end, the endoscope hole 22 is located at the rear end, and the endoscope hole 22 and the guide wire hole 21 are located on the same axis;
[0039] The endoscope hole 22 is larger than the guide wire hole 21, and a step surface is formed between the front end of the endoscope hole 22 and the guide wire hole 21;
[0040] The endoscope hole 22 is suitable for cooperating with the endoscope 3, and the step surface is suitable for abutting against the front end surface of the endoscope 3;
[0041] The dilator body 1 is made of transparent material.
[0042] In this embodiment, the expander body 1 includes a straight section 11 and a tapered section 12 .
[0043] The tapered section 12 has a diameter of 5 mm at the small diameter end and a diameter of 15 mm at the large diameter end, which meets the requirements of clinical use.
[0044] The dilator body 1 is made of transparent PVC material.
[0045] Specifically, as an optional implementation in this embodiment, Figure 2 Figure 3As shown, the straight section 11 of the dilator body 1 is marked with scale lines. The straight section 11 is marked with scale lines and scale values to facilitate doctors to check the insertion depth.
[0046] Specifically, as an optional implementation in this embodiment, Figure 2 Figure 3 As shown, the diameter of the guide wire hole 21 is 0.5-1.2 mm.
[0047] The size is 0.5-1.2mm, suitable for various types of guidewires, making it easy for the guidewire to pass through narrow areas.
[0048] In this embodiment, the step surface is designed to be a straight surface, which is convenient for ultra-fine endoscope to observe the expansion effect.
[0049] Specifically, as an optional implementation in this embodiment, Figure 2 Figure 3 As shown, the aperture of the endoscope hole 22 is less than 7 mm. The endoscope hole 22 facilitates the ultra-thin endoscope 3 to be inserted into the endoscope hole 22, and the ultra-thin endoscope can move smoothly in the endoscope hole 22 to check the expansion status and effect in real time.
[0050] Endoscope 3 uses an ultra-thin endoscope with various specifications including 2.8mm, 3.0mm, 3.5mm, 4.5mm, etc.
[0051] The use method of the esophageal cardia stenosis dilator with visual function of the utility model is as follows:
[0052] 1. Preoperative preparation
[0053] 1. Check the equipment carefully before use to make sure the sterile packaging and product are intact.
[0054] 2. The disposable esophageal cardia stenosis dilator has a protective cover, which should be removed first.
[0055] 3. Select the appropriate dilator specifications according to the stenosis situation.
[0056] 4. Select the appropriate guide wire according to the instructions.
[0057] 2. Instructions
[0058] 1. According to the stenosis of the esophagus or cardia observed by endoscopy, select a dilator with a diameter slightly larger than the stenotic part of the patient;
[0059] 2. First, insert the guide wire through the forceps hole of the gastroscope until the front end of the guide wire is in the gastric cavity, then withdraw the gastroscope and keep the guide wire;
[0060] 3. The tail end of the guide wire is inserted into the guide wire hole 21 of the dilator and the forceps hole of the ultra-fine endoscope. Under the guidance of the guide wire, the dilator and the ultra-fine endoscope are inserted into the narrow part.
[0061] 4. Under the guidance of the guide wire and the monitoring of the ultra-fine endoscope, use the dilator tapered section 12 to dilate the stenosis.
[0062] The esophageal cardia stenosis dilator with visual function of the utility model has the following advantages over the previous esophageal cardia stenosis dilators:
[0063] 1. Accurate observation: Electronic endoscopes can provide high-resolution images, allowing doctors to accurately observe the placement and expansion process of the dilator;
[0064] 2. Real-time monitoring: During the operation, the doctor can monitor the position and effect of the bougie in real time to avoid over-expansion or under-expansion;
[0065] 3. Accurate positioning: The electronic endoscope can accurately locate the narrow part to ensure the correct placement of the bougie;
[0066] 4. Minimum trauma: Compared with traditional X-ray fluoroscopy, the use of electronic endoscope observation can minimize surgical trauma;
[0067] 5. Improved safety: Real-time observation helps avoid complications and improves the safety of surgery;
[0068] 6. Personalized treatment: Based on the observation results, the doctor can adjust the size and position of the expander to meet the patient's surgical needs;
[0069] 7. Avoid repeated operations: Real-time monitoring can avoid unnecessary repeated expansion operations;
[0070] 8. Postoperative evaluation: Observing the dilation effect helps evaluate the efficacy after surgery;
[0071] 9. Teaching purpose: Electronic endoscope observation can be used for training and teaching to help doctors improve their technical level;
[0072] 10. Improved patient satisfaction: Accurate observation and personalized treatment help improve patient satisfaction.
[0073] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.
[0074] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0075] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0076] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.
[0077] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0078] In addition, each functional unit in each embodiment of the present utility model may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
[0079] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. An esophageal cardia stenosis dilator with visual function, characterized in that: include A dilator body (1), wherein a guide wire hole (21) and an endoscope hole (22) are provided in the dilator body (1); the guide wire hole (21) is located at the front end, the endoscope hole (22) is located at the rear end, and the endoscope hole (22) and the guide wire hole (21) are located on the same axis; The endoscope hole (22) is larger than the guide wire hole (21), and a step surface is formed between the front end of the endoscope hole (22) and the guide wire hole (21); The endoscope hole (22) is suitable for cooperating with the endoscope (3), and the step surface is suitable for abutting against the front end surface of the endoscope (3); The expander body (1) is made of transparent material.
2. The esophageal cardia stenosis dilator with visual function according to claim 1, characterized in that: The straight section (11) of the dilator body (1) is marked with scale lines.
3. The esophageal cardia stenosis dilator with visual function according to claim 1, characterized in that: The diameter of the wire guide hole (21) is 0.5-1.2 mm.
4. The esophageal cardia stenosis dilator with visual function according to claim 1, characterized in that: The diameter of the endoscope hole (22) is less than 7 mm.
5. The esophageal cardia stenosis dilator with visual function according to claim 1, characterized in that: The step surface is a straight surface.