Sheath structure of hysteroscope
By designing a hysteroscopic outer sheath structure with a water inlet and outlet, and setting up the introduction and exporting related components outside the outer sheath, the problems of traditional hysteroscopy being large in size, inflexible operation and difficulty in cleaning are solved, and more efficient and safer surgical operations are achieved.
Patent Information
- Application Number
- CN202421737391.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-22
AI Technical Summary
Traditional hysteroscopy design leads to large size, inflexible surgical operation, difficulty in cleaning and disinfection, increasing the risk of cross-infection, and the device introduction channel is designed in a single way, affecting surgical efficiency.
A hysteroscopic outer sheath structure is designed, using the gap between the endoscope and the inner sheath as the water inlet, and the gap between the inner sheath and the outer sheath as the water outlet to reduce the overall structural volume. At the same time, a half tube, sliding block, orientation tube and guide groove are provided outside the outer sheath to achieve the precise introduction and export of the instrument.
By reducing the volume of the hysteroscopy and optimizing the device introduction design, the flexibility and efficiency of the surgery are improved, the accuracy and safety of the surgery are enhanced, and the risk of cross-infection is reduced.
Smart Images
Figure CN222968539U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hysteroscopes, and particularly to an outer sheath structure of a hysteroscope. Background Art
[0002] In the field of gynecological medicine, the application of hysteroscope technology is becoming increasingly widespread. It not only provides direct visual inspection of the uterine cavity but also supports a series of minimally invasive surgeries, such as endometrial polyp removal, adhesion separation, myoma resection, etc. However, traditional hysteroscopes pose various challenges in design and operation, which limit their efficacy and safety in clinical applications.
[0003] In the existing hysteroscope technology, the instrument channel, water inlet, water outlet, and endoscope are usually integrated in the same round tube. Such a design, although simple and intuitive, results in a relatively large volume of the entire hysteroscope. During surgery, vaginal dilation and uterine cavity distension are usually required, and patients often need to be hospitalized after the operation. In addition, due to the concentration of all components together, cleaning and disinfection are also relatively difficult, increasing the risk of cross-infection. Moreover, the design of the instrument insertion channel is often relatively single, which is not convenient for the rapid switching and precise insertion of different types of surgical instruments, affecting the flexibility and efficiency of the operation. Summary of the Utility Model
[0004] In view of this, the utility model provides an outer sheath structure of a hysteroscope. By using the gap between the endoscope and the inner sheath as the water inlet and the gap between the inner sheath and the outer sheath as the water outlet, the overall structure volume is effectively reduced. At the same time, a half-tube, a sliding block, a guiding tube, and a guiding groove are arranged outside the outer sheath. Through the coordinated operation of these components, the precise insertion and extraction of instruments are realized, improving the accuracy and safety of the operation.
[0005] The technical solution adopted by the utility model to solve its technical problems is: to provide an outer sheath structure of a hysteroscope, as Figure 1 shown, including an outer sheath connecting sleeve, a water outlet core, an inner tube, a half-tube, a chute seat, a guiding tube, and a guiding groove; the water outlet core is connected to the side wall of the outer sheath connecting sleeve; the inner tube is connected to the outer sheath connecting sleeve; one end of the half-tube is fixedly connected to the outer sheath connecting sleeve; the chute seat is engaged with the other end of the half-tube, and the chute seat can slide along the direction of the half-tube; as Figure 3 shown, one end of the circular pipe of the guiding tube is sleeved on the inner tube, and the other end is fixedly connected to the chute seat; as Figure 2 shown, the guiding groove is provided with a first chute and a second chute. The first chute of the guiding groove is fixedly connected to the chute seat and is arranged in a manner that fits the guiding tube; the second chute of the guiding groove is used to guide the instrument into the uterine cavity.
[0006] Further, the outer sheath connecting sleeve includes a plastic ring, a middle joint, a water valve seat, and a water outlet nut; the plastic ring, the middle joint, the water valve seat, and the water outlet nut are sequentially connected to form the outer sheath connecting sleeve.
[0007] Further, an inclined cutting surface is formed at the end of the inner tube, and the included angle between the inclined cutting surface and the pipeline axis is 60 degrees.
[0008] Further, the inner diameters of the half tube and the orientation tube are larger than the outer diameter of the inner tube.
[0009] Further, a plurality of filtering holes are provided on the working end of the inner tube, and the plurality of filtering holes are arranged along the axial direction of the inner tube, effectively clearing the blood and secretions in the uterine cavity and ensuring a clear view throughout the operation.
[0010] Further, a water outlet valve switch is provided on the water outlet core.
[0011] The beneficial effects of the present utility model are as follows:
[0012] (1) Through the innovative guiding groove design of the present utility model, especially the introduction of the second sliding groove, the precise guiding and rapid introduction of surgical instruments are realized, significantly improving the flexibility and efficiency of surgical operations. The synergistic effect of the orientation tube and the sliding groove seat further optimizes the positioning accuracy of the instruments, enabling doctors to more freely control surgical instruments and complete complex surgical operations.
[0013] (2) Through the filtering hole design on the inner tube of the present utility model, combined with the optimized flushing system, the blood, secretions and other obstructions generated during the operation are effectively cleared, ensuring a continuous clear view, improving the surgical precision and safety. The special angle design of the inclined cutting surface further reduces the reflection interference and improves the image quality. Description of the Drawings
[0014] Figure 1 It is a schematic structural diagram of the outer sheath structure of a hysteroscope of the present utility model;
[0015] Figure 2 It is a schematic structural diagram of the guiding groove of the outer sheath structure of a hysteroscope of the present utility model;
[0016] Figure 3 It is a schematic structural diagram of the orientation tube of the outer sheath structure of a hysteroscope of the present utility model;
[0017] The marks of each component in the drawings are as follows:
[0018] 1. Outer sheath connecting sleeve; 2. Water outlet core; 3. Inner tube; 4. Half tube; 5. Sliding groove seat; 6. Orientation tube; 7. Guiding groove; 8. First sliding groove; 9. Second sliding groove; 10. Plastic ring; 11. Middle joint; 12. Water valve seat; 13. Water outlet nut; 14. Filtering hole; 15. Water outlet valve switch. Detailed implementation manners
[0019] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the accompanying drawings in the embodiments of the utility model. It can be understood that the specific embodiments described herein are only used to explain the utility model, rather than limiting the utility model. In addition, it should be noted that, for the sake of description, only some parts related to the utility model rather than all structures are shown in the accompanying drawings.
[0020] An outer sheath structure of a hysteroscope, as Figure 1 shown, includes an outer sheath connecting sleeve 1, a water outlet core 2, an inner tube 3, a half tube 4, a chute seat 5, a guiding tube 6 and a guiding groove 7; the water outlet core 2 is connected to the side wall of the outer sheath connecting sleeve 1; the inner tube 3 is connected to the outer sheath connecting sleeve 1; one end of the half tube 4 is fixedly connected to the outer sheath connecting sleeve 1; the chute seat 5 is engaged with the other end of the half tube 4, and the chute seat 5 can slide along the direction of the half tube 4; as Figure 3 shown, one end of the circular pipe of the guiding tube 6 is sleeved on the inner tube 3, and the other end is fixedly connected to the chute seat 5; as Figure 2 shown, the guiding groove 7 is provided with a first chute 8 and a second chute 9. The first chute 8 of the guiding groove 7 is fixedly connected to the chute seat 5 and is arranged in contact with the guiding tube 6; the second chute 9 of the guiding groove 7 is used to guide the instrument into the uterine cavity.
[0021] Preferably, the outer sheath connecting sleeve 1 includes a plastic ring 10, a middle joint 11, a water valve seat 12 and a water outlet nut 13; the plastic ring 10, the middle joint 11, the water valve seat 12 and the water outlet nut 13 are sequentially connected to form the outer sheath connecting sleeve 1.
[0022] Preferably, the end of the inner tube 3 is formed with an inclined plane, and the angle of the inclined plane relative to the axis of the pipe is 60 degrees, which is used to reduce light reflection and improve the clarity of the field of view.
[0023] Preferably, the inner diameters of the half tube 4 and the guiding tube 6 are larger than the outer diameter of the inner tube.
[0024] Preferably, a plurality of filter holes 14 are provided on the working end of the inner tube, and the plurality of filter holes are arranged along the axial direction of the inner tube. The filter holes on the inner tube can effectively remove the blood and secretions in the uterine cavity, ensure the continuous clarity of the field of view during the operation, and improve the safety and success rate of the operation.
[0025] Preferably, a water outlet valve switch 15 is provided on the water outlet core 2, which is used to discharge the distending fluid in the uterine cavity.
[0026] The hysteroscope of the present utility model generally includes three main parts: an endoscope, an inner sheath, and an outer sheath. These components cooperate ingeniously to jointly achieve precise diagnosis and treatment operations. The endoscope is the core component and is used to observe the uterine cavity. The inner sheath is tightly wrapped around it, and the outer sheath covers the inner sheath, forming a stable triple structure. A tiny gap is reserved between the inner sheath and the endoscope, which is specially designed for introducing the flushing liquid, aiming to keep the uterine cavity moderately inflated for clear observation. The gap between the outer sheath and the inner sheath is used to drain the liquid to ensure a clean and aseptic surgical environment.
[0027] In terms of the operation process, the outer sheath is equipped with a chute seat. Its initial position is close to the outer sheath connecting sleeve. When the doctor inserts the hysteroscope into the patient's uterine cavity and locates the lesion, simply gently push the chute seat, and the guiding groove can smoothly penetrate along the guiding tube. The surgical instrument can be accurately introduced along the guiding groove to achieve precise treatment.
[0028] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A sheath structure of a hysteroscope, characterized in that: The invention comprises an outer sheath connecting sleeve (1), a water outlet core (2), an inner tube (3), a half tube (4), a slide groove seat (5), a directional tube (6) and a guide groove (7); the water outlet core (2) is connected to the side wall of the outer sheath connecting sleeve (1); the inner tube (3) is connected to the outer sheath connecting sleeve (1); one end of the half tube (4) is fixedly connected to the outer sheath connecting sleeve (1); the slide groove seat (5) is engaged with the other end of the half tube (4), and the slide groove seat (5) can slide along the direction of the half tube (4); one end of the circular pipe of the directional tube (6) is sleeved on the inner tube (3), and the other end is fixedly connected to the slide groove seat (5); the guide groove (7) is provided with a first slide groove (8) and a second slide groove (9), the first slide groove (8) of the guide groove (7) is fixedly connected to the slide groove seat (5) and is arranged to fit the directional tube (6); the second slide groove (9) of the guide groove (7) is used to guide the instrument into the uterine cavity.
2. The outer sheath structure of a hysteroscope according to claim 1, characterized in that: The outer sheath connecting sleeve (1) comprises a plastic ring (10), a middle connection (11), a water valve seat (12) and a water outlet nut (13); the plastic ring (10), the middle connection (11), the water valve seat (12) and the water outlet nut (13) are connected in sequence to form the outer sheath connecting sleeve (1).
3. The outer sheath structure of a hysteroscope according to claim 1, characterized in that: The end of the inner tube (3) is formed with a chamfered surface, and the angle of the chamfered surface relative to the pipeline axis is 60 degrees.
4. The outer sheath structure of a hysteroscope according to claim 1, characterized in that: The inner diameters of the half tube (4) and the directional tube (6) are greater than the outer diameter of the inner tube (3).
5. The outer sheath structure of a hysteroscope according to claim 1, characterized in that: A plurality of filter holes (14) are arranged on the working end of the inner tube (3), and the plurality of filter holes are arranged in an axial direction of the inner tube.
6. The outer sheath structure of a hysteroscope according to claim 1, characterized in that: The water outlet core (2) is provided with a water outlet valve switch (15).