CN222968539U

CN222968539U - Hysteroscope is of sheath structure

Info

Publication number: CN222968539U
Application number: CN202421737391.0U
Authority: CN
Inventors: 钟增强
Original assignee: Hangzhou Dingsheng Medical Equipment Co ltd
Current assignee: Hangzhou Dingsheng Medical Equipment Co ltd
Priority date: 2024-07-22
Filing date: 2024-07-22
Publication date: 2025-06-13
Anticipated expiration: 2034-07-22

Abstract

The utility model discloses an outer sheath structure of a hysteroscope, including an outer sheath connecting sleeve, a water outlet core, an inner tube, a half tube, a slide seat, a directional tube and a guide 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 slide seat is engaged with the other end of the half tube, and the slide seat can slide along the direction of the half tube; one end of the circular pipe of the directional tube is sleeved on the inner tube, and the other end is fixedly connected to the slide seat; the guide groove is provided with a first slide groove and a second slide groove, the first slide groove of the guide groove is fixedly connected to the slide seat, and is fitted to the directional tube setting; the second slide groove of the guide groove is used to guide the instrument into the uterine cavity. The utility model realizes the precise guidance and rapid introduction of the surgical instrument through the design of the guide groove; the synergistic effect of the directional tube and the slide seat further optimizes the positioning accuracy of the instrument and improves the flexibility and efficiency of the surgical operation.

Description

Hysteroscope is of sheath structure

Technical Field

The utility model relates to the technical field of hysteroscopes, in particular to an outer sheath structure of a hysteroscope.

Background

In the field of gynecological medicine, hysteroscopic technology is increasingly used, which not only provides direct visual inspection of the interior of the uterine cavity, but also supports a series of minimally invasive operations such as endometrial polyp removal, adhesion separation, hysteromyoma rejection and the like. However, conventional hysteroscopes present various challenges in design and operation that limit their efficacy and safety in clinical applications.

In the existing hysteroscope technology, an instrument channel, a water inlet, a water outlet and an endoscope are generally integrated in the same circular tube, and the design is simple and visual, but the whole hysteroscope has larger volume, so that the operation usually requires vaginal dilation and uterine dilatation, and a patient after the operation usually needs hospitalization. In addition, cleaning and sterilization is difficult due to the concentration of all components, increasing the risk of cross-infection. In addition, the design of the instrument guide channel is often single, so that the quick switching and accurate guide of different types of surgical instruments are inconvenient, and the flexibility and efficiency of the operation are affected.

Disclosure of utility model

In view of the above, the utility model provides an outer sheath structure of a hysteroscope, which uses a gap between an endoscope and an inner sheath as a water inlet and uses a gap between the inner sheath and the outer sheath as a water outlet, so that the volume of the whole structure is effectively reduced. Meanwhile, a half tube, a sliding block, a directional tube and a guide groove are arranged outside the outer sheath, and through the cooperative work of the components, the precise leading-in and leading-out of the instrument are realized, and the accuracy and the safety of the operation are improved.

The technical scheme includes that the hysteroscope outer sheath structure comprises an outer sheath connecting sleeve, a water outlet core, an inner pipe, a half pipe, a chute seat, an orientation pipe and a guide groove, wherein the water outlet core is connected to the side wall of the outer sheath connecting sleeve, the inner pipe is connected with the outer sheath connecting sleeve, one end of the half pipe is fixedly connected to the outer sheath connecting sleeve, the chute seat is clamped with the other end of the half pipe, the chute seat can slide along the half pipe direction, one end of a circular pipeline of the orientation pipe is sleeved on the inner pipe, the other end of the circular pipeline of the orientation pipe is fixedly connected with the chute seat, a first chute and a second chute are arranged on the guide groove, the first chute of the guide groove is fixedly connected to the chute seat and is attached to the orientation pipe, and the second chute of the guide groove is used for guiding an instrument to enter a uterine cavity, as shown in FIG. 3.

The outer sheath connecting sleeve comprises a plastic ring, a middle connector, a water valve seat and a water outlet nut, and the plastic ring, the middle connector, the water valve seat and the water outlet nut are sequentially connected to form the outer sheath connecting sleeve.

Further, the end of the inner tube is formed with a chamfer, and the included angle of the chamfer relative to the axis of the pipeline is 60 degrees.

Further, the inner diameters of the half pipe and the directional pipe are larger than the outer diameter of the inner pipe.

Further, the working end of the inner tube is provided with a plurality of filtering holes which are arranged along the axial direction of the inner tube, so that blood and secretion in the uterine cavity are effectively removed, and the whole-course visual field of operation is ensured to be clear.

Further, a water outlet valve switch is arranged on the water outlet core.

The beneficial effects of the utility model are as follows:

(1) According to the utility model, through the innovative design of the guide groove, particularly the introduction of the second sliding groove, the accurate guide and the rapid introduction of the surgical instrument are realized, and the flexibility and the efficiency of the surgical operation are obviously improved. The cooperation of the directional pipe and the chute seat further optimizes the positioning precision of the instrument, so that a doctor can control the surgical instrument more freely to finish complex surgical operation.

(2) According to the utility model, through the design of the filtering holes on the inner tube and the combination of an optimized flushing system, the shielding objects such as blood, secretion and the like generated in the operation process are effectively removed, the continuous and clear visual field is ensured, and the operation precision and safety are improved. The special angle design of the chamfer further reduces reflection interference and improves image quality.

Drawings

FIG. 1 is a schematic view of the structure of an outer sheath of a hysteroscope according to the present utility model;

FIG. 2 is a schematic structural view of a guiding groove of an outer sheath structure of a hysteroscope;

FIG. 3 is a schematic structural view of an orienting tube of an outer sheath structure of a hysteroscope according to the present utility model;

The components in the drawings are marked as follows:

1. An outer sheath connecting sleeve; 2, a water outlet core, 3, an inner pipe, 4, a half pipe, 5, a chute seat, 6, a directional pipe, 7, a guiding groove, 8, a first chute, 9, a second chute, 10, a plastic ring, 11, a middle joint, 12, a water valve seat, 13, a water outlet nut, 14, a filtering hole, 15 and a water outlet valve switch.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

The hysteroscope outer sheath structure comprises an outer sheath connecting sleeve 1, a water outlet core 2, an inner tube 3, a half tube 4, a chute seat 5, an orientation tube 6 and a guide groove 7, wherein the water outlet core 2 is connected to the side wall of the outer sheath connecting sleeve 1, the inner tube 3 is connected with 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 clamped with the other end of the half tube 4, the chute seat 5 can slide along the direction of the half tube 4, one end of a circular pipeline of the orientation tube 6 is sleeved on the inner tube 3, the other end of the circular pipeline of the orientation tube is fixedly connected with the chute seat 5, a first chute 8 and a second chute 9 are arranged on the guide groove 7, the first chute 8 of the guide groove 7 is fixedly connected to the chute seat 5 and is arranged in a manner of being attached to the orientation tube 6, and the second chute 9 of the guide groove 7 is used for guiding an instrument to enter a uterine cavity, as shown in FIG. 3.

Preferably, the sheath connecting sleeve 1 comprises a plastic ring 10, a middle joint 11, a water valve seat 12 and a water outlet nut 13, and 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 sheath connecting sleeve 1.

Preferably, the end of the inner tube 3 is formed with a chamfer, and the included angle of the chamfer relative to the axis of the tube is 60 degrees, so as to reduce light reflection and improve visual field definition.

Preferably, the inner diameters of the half pipe 4 and the directional pipe 6 are larger than the outer diameter of the inner pipe.

Preferably, the working end of the inner tube is provided with a plurality of filtering holes 14, the filtering holes are arranged along the axial direction of the inner tube, the filtering holes on the inner tube can effectively remove blood and secretion in the uterine cavity, the continuous and clear visual field in the operation process is ensured, and the safety and success rate of the operation are improved.

Preferably, the water outlet core 2 is provided with a water outlet valve switch 15 for discharging the uterine cavity.

The hysteroscope generally comprises three main parts, namely an endoscope, an inner sheath and an outer sheath, and all the parts are skillfully matched to realize accurate diagnosis and treatment operation together. The endoscope is a core component for observing the uterine cavity, the inner sheath is tightly wrapped outside the uterine cavity, and the outer sheath is covered on the inner sheath to form a stable triple structure. A small gap is reserved between the inner sheath and the endoscope, the design is specially designed for introducing flushing fluid, the purpose is to keep the uterine cavity properly expanded, clear observation is facilitated, and the gap between the outer sheath and the inner sheath is used for discharging liquid, so that the cleanness and the sterile state of the operation environment are ensured.

In the operation flow, the sheath is provided with a chute seat, the initial position of the sheath is close to the sheath connecting sleeve, when a doctor puts the hysteroscope into the uterine cavity of a patient, after the focus is positioned, the chute seat is only required to be pushed lightly, the guiding groove is pushed to be smoothly and deeply penetrated along the guiding pipe, and the surgical instrument can be accurately guided along the guiding groove to realize accurate treatment.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A hysteroscope outer sheath structure is characterized by comprising an outer sheath connecting sleeve (1), a water outlet core (2), an inner pipe (3), a half pipe (4), a chute seat (5), a directional pipe (6) and a guide groove (7), wherein the water outlet core (2) is connected to the side wall of the outer sheath connecting sleeve (1), the inner pipe (3) is connected with the outer sheath connecting sleeve (1), one end of the half pipe (4) is fixedly connected to the outer sheath connecting sleeve (1), the chute seat (5) is clamped with the other end of the half pipe (4), the chute seat (5) can slide along the direction of the half pipe (4), one end of a circular pipeline of the directional pipe (6) is sleeved on the inner pipe (3), the other end of the circular pipeline is fixedly connected with the chute seat (5), a first chute (8) and a second chute (9) are arranged on the guide groove (7), the first chute (8) of the guide groove (7) is fixedly connected to the chute seat (5), the second chute (9) is arranged in a fitting mode, and the second chute (7) is used for guiding a hysteroscope to enter a uterine cavity.

2. The hysteroscope outer sheath structure according to claim 1 is characterized in that the outer sheath connecting sleeve (1) comprises a plastic ring (10), a middle joint (11), a water valve seat (12) and a water outlet nut (13), and 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).

3. The hysteroscope outer sheath according to claim 1, wherein the end of the inner tube (3) is formed with a chamfer at an angle of 60 degrees relative to the axis of the tube.

4. The hysteroscope sheath structure according to claim 1, wherein the inner diameter of the half tube (4) and the directional tube (6) is larger than the outer diameter of the inner tube (3).

5. The hysteroscope outer sheath structure according to claim 1, wherein the working end of the inner tube (3) is provided with a plurality of filtering holes (14) which are arranged along the axial direction of the inner tube.

6. The hysteroscope sheath structure according to claim 1, wherein the water outlet core (2) is provided with a water outlet valve switch (15).