Cervical dilator for gynecological operation

Abstract

The utility model relates to the technical field of medical instruments, and discloses a gynecological operation cervical dilator which comprises a cylindrical tube, an opening and closing adjusting structure and a dilation plate. The multiple expansion plates are evenly arranged in the circumferential direction of the cylindrical pipe, the folded expansion plates form a complete cylindrical structure, and the expansion plates are connected with the cylindrical pipe through opening and closing adjusting structures and driven by the opening and closing adjusting structures to move close to or away from the cylindrical pipe. Compared with the prior art, the novel cervical dilator has the advantages that when the novel cervical dilator is used, the threaded sleeve is rotated clockwise to drive the dilation plates to synchronously move away from the cylindrical tube slowly until the cervix uteri is dilated in a proper size (the vagina can be dilated as much as possible), then medical staff can penetrate medical instruments through the cylindrical tube, and the novel cervical dilator is convenient to use. And the device is arranged in the cervix uteri for medical operation, so that the gynecological cervical operation can be conveniently implemented.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, specifically point to a gynecological operation cervical dilator. BACKGROUND

[0002] When carrying out gynecological cervical operation, often use cervical dilator to dilate vagina to expose cervical internal environment, facilitate the subsequent gynecological cervical operation. At present, the main part of existing cervical dilator is generally two duckbill-shaped support plates, and the opening angle of the two support plates is adjusted by rotating the knob nut on the knob cervical dilator, so as to slowly dilate the vagina.

[0003] It is not difficult to see that the existing cervical dilator still has some defects in use: the cervical dilator dilates the vagina by two support plates, and the dilating effect is not good (often cannot dilate the vagina completely as much as possible); and after dilating, the cervical dilator has certain blocking effect on the direction of the vagina, which is not convenient for medical staff to use the instrument to implement medical operation on the cervical internal environment. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the above technical difficulties, and provide a gynecological operation cervical dilator, which can more effectively dilate the vagina, and is more convenient for doctors to implement cervical operation operation after dilating.

[0005] To solve the above technical problems, the technical scheme provided by the utility model is:

[0006] A gynecological operation cervical dilator, comprising a cylindrical pipe, a opening and closing adjusting structure and a dilating plate, the dilating plate is uniformly provided along the circumference of the cylindrical pipe, and the closed dilating plates form a complete cylindrical structure, each dilating plate is connected with the cylindrical pipe through the opening and closing adjusting structure, and is driven by the opening and closing adjusting structure to move close to or away from the cylindrical pipe.

[0007] As an improvement, the opening and closing adjusting structure comprises a front connecting rod, a rear connecting rod, a movable collar and a threaded cylinder sleeve, the threaded cylinder sleeve is sleeved on the rear part of the cylindrical pipe, a limiting ring groove is reserved on the outer wall of the threaded cylinder sleeve, the movable collar is nested in the limiting ring groove, the front ends of the dilating plate and the cylindrical pipe are connected through the front connecting rod, the rear ends of the dilating plate and the movable collar are connected through the rear connecting rod, and the front connecting rod and the rear connecting rod are respectively hinged with the dilating plate, the cylindrical pipe and the movable collar. It is used for conveniently and synchronously adjusting the movement of each dilating plate towards the cylindrical pipe or away from the cylindrical pipe.

[0008] As improvement, the expansion plates are provided with four, and the limiting recesses are formed on the middle outer wall.

[0009] Compared with the prior art, the utility model has the advantages of:

[0010] In use, the expansion plates are driven to move away from the cylindrical pipe slowly and synchronously by rotating the threaded sleeve clockwise until the cervix is expanded to a proper size (the vagina can be expanded as much as possible), and then the medical personnel can pass the medical equipment through the cylindrical pipe and place it in the cervix to perform medical operation, so that the gynecological cervical operation can be performed conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a structural schematic view of the utility model.

[0012] Figure 2 is a structural schematic view of another view of the utility model.

[0013] Figure 3 is a partial structural schematic view of the utility model.

[0014] Figure 4 is a structural schematic view of the threaded sleeve of the utility model.

[0015] As shown in the figure: 1, cylindrical pipe; 2, expansion plate; 3, front connecting rod; 4, rear connecting rod; 5, movable collar; 6, threaded sleeve; 7, limiting ring groove; 8, rough surface; 9, limiting recess. DETAILED DESCRIPTION

[0016] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more. In addition, the term "includes" and any variation thereof is intended to cover non-exclusive inclusion.

[0017] The utility model discloses further make detailed description in connection with the drawings below.

[0018] A gynecological operation cervical dilator, including cylinder pipe 1, open and close adjusting structure and expansion board 2.

[0019] Expansion board 2 along the circumferential uniformity of cylinder pipe 1 is provided with four, and each expansion board 2 is retracted after forming a complete cylinder structure, and the front end face of both cylinder pipe 1 and expansion board 2 is formed with a fillet surface, which is not easy to scratch the vagina, and after polishing the outer wall of expansion board 2, a limiting pit 9 is formed on the middle outer wall, and after expanding the vagina, the labia is in the limiting pit 9, so that the "gynecological operation cervical dilator" can be more stably placed in the vagina.

[0020] Open and close adjusting structure includes front connecting rod 3, rear connecting rod 4, movable collar 5 and threaded barrel sleeve 6;The rear part of cylinder pipe 1 is threadedly sleeved with threaded barrel sleeve 6, the outer wall of threaded barrel sleeve 6 is reserved with a limiting ring groove 7 around a circle, movable collar 5 is nested in limiting ring groove 7, the front end of both expansion board 2 and cylinder pipe 1 is connected through front connecting rod 3, and the rear end of expansion board 2 and movable collar 5 is connected through rear connecting rod 4, and front connecting rod 3 and rear connecting rod 4 are respectively hinged between expansion board 2, cylinder pipe 1 and movable collar 5. The outer wall part of threaded barrel sleeve 6 behind movable collar 5 is rough surface 8.

[0021] In the specific implementation of the embodiment:

[0022] Each expansion board 2 in the initial state is as close as possible together and constructs a cylinder structure, then the "gynecological operation cervical dilator" is placed in the cervix, and the threaded barrel sleeve 6 is rotated clockwise, so that it is displaced backward and drives each expansion board 2 to slowly move away from cylinder pipe 1, until the cervix is expanded to an appropriate size, then medical personnel can pass medical equipment through cylinder pipe 1 and extend into the cervix to perform medical operation.

[0023] When not in use, you rotate the threaded barrel sleeve 6 so that the movable collar 5 is displaced as far back as possible, until each expansion board 2 is retracted into a cylinder structure, at which time the volume of the new type is smaller, making it easier to store and carry.

[0024] The above describes the utility model and its implementation, which is not restrictive, and the drawings shown are only one of the embodiments of the utility model, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired thereby, without departing from the creative spirit of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A gynecological surgical cervical dilator, characterized by: The utility model relates to a kind of cylinder pipe (1), opening-closing adjusting structure and expansion plate (2);The expansion plate (2) is evenly provided with multiple along the circumference of cylinder pipe (1), and each expansion plate (2) is composed of a complete cylinder structure after being folded, each expansion plate (2) is connected between cylinder pipe (1) by opening-closing adjusting structure respectively, and is driven by opening-closing adjusting structure to move close to or away from cylinder pipe (1), the opening-closing adjusting structure includes front connecting rod (3), rear connecting rod (4), movable collar (5) and threaded cylinder sleeve (6);The rear part of cylinder pipe (1) is threaded with threaded cylinder sleeve (6), and the outer wall of threaded cylinder sleeve (6) is reserved with the limiting ring groove (7) around a week, movable collar (5) is nested in limiting ring groove (7), the front end of expansion plate (2) and cylinder pipe (1) is connected by front connecting rod (3), and the rear end of expansion plate (2) and movable collar (5) are connected by rear connecting rod (4), and front connecting rod (3) and rear connecting rod (4) are respectively hinged between expansion plate (2), cylinder pipe (1) and movable collar (5).

2. A gynecological surgical cervical dilator according to claim 1, characterized in that: The outer wall portion of threaded cylinder sleeve (6) on the rear side of movable collar (5) is rough surface (8).

3. A gynecological surgical cervical dilator according to claim 2, wherein: Limiting pit (9) is formed on the outer wall of the middle part of expansion plate (2).

4. A gynecological surgical cervical dilator according to claim 3, characterized in that: The front end surface of cylinder pipe (1) and expansion plate (2) is formed with rounded surface.

5. A gynecological surgical cervical dilator according to claim 4, wherein: The outer wall of expansion plate (2) is polished smooth.

6. A gynecological surgical cervical dilator according to claim 5, wherein: Expansion plate (2) is provided with four.

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