Gynecological clinical dilator

Abstract

The utility model discloses a gynecological clinical dilator relates to the field of medical devices, including base, the inside reservation of base movable cavity has, and the inside sliding connection of movable cavity has movable block, and the upper end portion fixed connection of movable block has dilating mouth head, the inner wall fixed connection of movable cavity has the light pole, and movable block movable sleeve is equipped in the outer ring of light pole, and movable block and movable cavity between through spring realizes elastic connection, still include: dilating subassembly. The utility model discloses through twist dial and promote screw rod rotation and displace and drive abutment block synchronous movement, and then push abutment block both sides side slope and make two movable blocks move, make with two movable blocks upper end portion fixed connection dilating mouth head remove and spread to the expansion of the affected area, and the connecting piece of dilating mouth head and other parts do not exist directness screw connection, and then make dilating mouth head remove and appear the situation such as jam, guarantee that the use of dilator is better.

Description

Technical Field

[0001] This utility model relates to the field of medical devices, specifically to a gynecological clinical dilator. Background Technology

[0002] Gynecological specula plays an important role in gynecological examinations and treatments. Its main function is to dilate the vagina, allowing doctors to clearly see the inside of the vagina and the cervix, and to perform necessary examinations and treatments.

[0003] A Chinese patent (CN221691354U) discloses a gynecological clinical dilator, comprising: a mounting frame; a positive and negative screw rotatably mounted on the inner side of the mounting frame; a first knob keyway connected to both ends of the positive and negative screw; and two movable blocks externally engaged with the positive and negative screws, each with a groove on its top. A limiting rod is fixedly mounted on the inner side of the mounting frame, located on one side of the positive and negative screws, and the limiting rod is slidably mounted to the movable blocks. This gynecological clinical dilator, by rotating the first knob, causes the positive and negative screws to rotate, thereby changing the position between the two movable blocks. The movement of the movable blocks moves the nozzle, thus completing the opening and closing action and effectively dilating the gynecological dilator. The grooves prevent the movable blocks from obstructing the dilator, facilitating observation and operation. The rotary adjustment of the first knob effectively fixes the dilator without requiring continuous force, making it convenient for the user.

[0004] The above-mentioned expander also has the following problems when in use: When the expander is used, the moving block and the nozzle are installed as a whole. During the rotation of the screw, the movement of the moving block may wobble or jam slightly. This results in a shorter service life of the expander and a poor user experience for the patient.

[0005] Therefore, it is necessary to invent a gynecological clinical dilator to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a gynecological clinical dilator to solve the problem mentioned in the background art, where the moving block and nozzle are integrated during use, and the moving block may wobble or jam during screw rotation, resulting in a short service life of the entire dilator and a poor user experience.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a gynecological clinical dilator, comprising a base, wherein a movable cavity is pre-reserved inside the base, and a movable block is slidably connected inside the movable cavity, and a dilator nozzle is fixedly connected to the upper end of the movable block; a smooth rod is fixedly connected to the inner wall of the movable cavity, and the movable block is movably fitted onto the outer ring of the smooth rod; and the movable block and the movable cavity are elastically connected by a spring, further comprising:

[0008] The expansion assembly has an extension groove connected to the interior of the movable cavity, and an abutment block is movably disposed inside the extension groove. A limiting rod is fixedly connected to the end wall of the abutment block, and a threaded rod is rotatably connected to the other end of the abutment block. The threaded rod is threadedly connected to a threaded groove reserved inside the base. The threaded groove is connected to the extension groove, and a dial is fixedly connected to the end of the threaded rod.

[0009] Preferably, the movable block is in the shape of an inverted "T", and the outer wall of the movable block is attached to the inner wall of the movable cavity to achieve a sliding connection.

[0010] The number of movable blocks is two, and the two movable blocks are symmetrically arranged with reference to the central axis of the base.

[0011] Preferably, the expansion nozzle is provided in two sets of blocks, each set of expansion nozzles is arc-shaped, and the two sets of expansion nozzles are symmetrically arranged with reference to the central axis of the base. The two sets of expansion nozzles are fixedly connected to two movable blocks respectively, so as to facilitate the movement of the expansion nozzles.

[0012] Preferably, the abutting block is in the shape of an isosceles trapezoid, and the two inclined surfaces of the abutting block are slidably connected to the two movable blocks respectively. During the movement of the abutting block, the inclined surfaces on both sides abut against the two movable blocks, thereby causing the two movable blocks to move in opposite directions, and the expansion nozzle moves and unfolds to expand the affected area.

[0013] Preferably, the limiting rod consists of a fixed rod fixedly connected to the inner wall of the movable cavity and a movable rod movably fitted inside the fixed rod, and the end of the movable rod is fixedly connected to the abutment block to ensure the stability of the abutment block's movement.

[0014] Preferably, a disc is fixedly connected to the end of the threaded rod, and the outer wall of the disc and the outer wall of the smooth surface of the threaded rod are attached to the inner wall of the pre-reserved hole in the abutment block to achieve a rotatable connection;

[0015] The outer diameter of the threaded rod is smaller than that of the outer diameter of the disc, so that the threaded rod and the abutment block are in a non-detachable rotating connection.

[0016] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0017] 1. This utility model uses a torsion dial to cause the threaded rod to rotate and move, which in turn causes the abutment block to move synchronously. This pushes the inclined surfaces on both sides of the abutment block to abut against the two movable blocks, allowing the expansion nozzle, which is fixedly connected to the upper end of the two movable blocks, to move and expand to expand the affected area. At the same time, the connecting parts of the expansion nozzle are not directly threaded to other parts, so that the expansion nozzle will not jam when it moves, ensuring a good user experience for the expander.

[0018] 2. The subsequent reverse twisting dial drives the threaded rod to rotate in the opposite direction, causing the abutment block to move towards the extension groove and gradually move away from the two movable blocks. The force applied by the spring causes the two movable blocks to move towards each other, thus facilitating the removal of the expander. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0020] Figure 1 This is a three-dimensional view of the overall structure of this utility model;

[0021] Figure 2 This is an exploded view of the overall structure of this utility model;

[0022] Figure 3 This is a perspective view of the internal structure of the base (vertically partially cut out) of this utility model;

[0023] Figure 4 This is a perspective view of the internal structure of the base (in a horizontal partial section) of this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Base; 2. Movable cavity; 3. Movable block; 4. Expansion nozzle; 5. Smooth rod; 6. Spring; 7. Expansion assembly; 701. Abutment block; 702. Fixed rod; 703. Movable rod; 704. Threaded rod; 705. Disc; 706. Dial; 707. Threaded groove; 708. Extension groove. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0027] This utility model provides, for example Figure 1-4The gynecological clinical dilator shown includes a base 1, with a pre-reserved movable cavity 2 inside the base 1. A movable block 3 is slidably connected inside the movable cavity 2, and a dilator nozzle 4 is fixedly connected to the upper end of the movable block 3. A smooth rod 5 is fixedly connected to the inner wall of the movable cavity 2, and the movable block 3 is movably fitted onto the outer ring of the smooth rod 5. The movable block 3 and the movable cavity 2 are elastically connected by a spring 6. The device also includes:

[0028] The expansion component 7 has an extension groove 708 connected to the interior of the movable cavity 2. An abutment block 701 is movably disposed inside the extension groove 708. A limiting rod is fixedly connected to the end wall of the abutment block 701. A threaded rod 704 is rotatably connected to the other end of the abutment block 701. The threaded rod 704 is threadedly connected to a threaded groove 707 reserved inside the base 1. The threaded groove 707 is connected to the extension groove 708. A dial 706 is fixedly connected to the end of the threaded rod 704.

[0029] The movable block 3 is in the shape of an inverted "T", and the outer wall of the movable block 3 is attached to the inner wall of the movable cavity 2 to achieve a sliding connection.

[0030] There are two movable blocks 3, and the two movable blocks 3 are symmetrically arranged with reference to the central axis of the base 1.

[0031] The expansion nozzle 4 has two sets of blocks, each set of expansion nozzles 4 is arc-shaped, and the two sets of expansion nozzles 4 are symmetrically arranged with reference to the central axis of the base 1. The two sets of expansion nozzles 4 are fixedly connected to two movable blocks 3 respectively, so as to facilitate the movement of the expansion nozzles 4.

[0032] The abutment block 701 is in the shape of an isosceles trapezoid, and the two inclined surfaces of the abutment block 701 are slidably connected to the two movable blocks 3 respectively. During the movement of the abutment block 701, the inclined surfaces on both sides abut against the two movable blocks 3, thereby causing the two movable blocks 3 to move away from each other, and the dilator 4 moves and unfolds to dilate the affected area.

[0033] The limiting rod consists of a fixed rod 702 fixedly connected to the inner wall of the movable cavity 2 and a movable rod 703 movably fitted inside the fixed rod 702. The end of the movable rod 703 is fixedly connected to the abutment block 701 to ensure the stability of the movement of the abutment block 701. The square fixed rod 702 and the movable rod 703 prevent the abutment block 701 from rotating.

[0034] The end of the threaded rod 704 is fixedly connected to a disc 705, and the outer wall of the disc 705 and the smooth outer wall of the threaded rod 704 are attached to the inner wall of the pre-reserved hole in the abutment block 701 to achieve a rotatable connection.

[0035] The outer diameter of the threaded rod 704 is smaller than that of the outer diameter of the disc 705, so that the threaded rod 704 and the abutment block 701 are in a non-detachable rotating connection.

[0036] Working principle: When using a gynecological clinical dilator, firstly, the dial 706 is rotated to drive the threaded rod 704, which is fixedly connected to the dial 706, to rotate. The threaded rod 704 is threadedly connected to the base 1. In this way, the threaded rod 704 moves in position relative to the base 1 when the dial 706 rotates synchronously. At the same time, a disc 705 is fixedly connected to the end of the threaded rod 704. The disc 705 and the threaded rod 704 together form a "T" shape, and the outer wall of the disc 705 and part of the threaded rod 704 are pre-reserved with the inner wall of the abutment block 701. The hole is rotated, so the threaded rod 704 and the abutment block 701 are rotated in a non-detachable manner. When the threaded rod 704 rotates and moves, it simultaneously pushes the abutment block 701 toward the position where the movement occurs inside the movable cavity 2. During the movement of the abutment block 701, the two inclined surfaces on both sides abut against the two movable blocks 3, thereby causing the two movable blocks 3 to move away from each other. This causes the expansion nozzle 4, which is fixedly connected to the upper end of the two movable blocks 3, to move and unfold to expand the affected area, making it convenient for doctors to take samples or treat the disease.

[0037] Subsequently, the reverse twisting dial 706 drives the threaded rod 704 to rotate in the opposite direction. At this time, the rotation of the threaded rod 704 drives the abutment block 701 to move out of the extension groove 708 and gradually move away from the two movable blocks 3. There is no support between the two movable blocks 3. The force applied by the spring 6 causes the two movable blocks 3 to move towards each other, which facilitates the removal of the expander.

[0038] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A gynecological clinical dilator, comprising a base (1), characterized in that, The base (1) has a pre-reserved movable cavity (2) inside, and a movable block (3) is slidably connected inside the movable cavity (2). An expansion nozzle (4) is fixedly connected to the upper end of the movable block (3). A light rod (5) is fixedly connected to the inner wall of the movable cavity (2), and the movable block (3) is movably fitted onto the outer ring of the light rod (5). The movable block (3) and the movable cavity (2) are elastically connected by a spring (6). The base also includes: The expansion assembly (7) has an extension groove (708) connected inside the active cavity (2), and an abutment block (701) is movably provided inside the extension groove (708). A limiting rod is fixedly connected to the end wall of the abutment block (701). A threaded rod (704) is rotatably connected to the other end of the abutment block (701). The threaded rod (704) is threadedly connected to the threaded groove (707) reserved inside the base (1). The threaded groove (707) is connected to the extension groove (708), and a dial (706) is fixedly connected to the end of the threaded rod (704).

2. The gynecological clinical dilator according to claim 1, characterized in that, The movable block (3) is in the shape of an inverted "T", and the outer wall of the movable block (3) is attached to the inner wall of the movable cavity (2) to achieve a sliding connection. The number of movable blocks (3) is two, and the two movable blocks (3) are symmetrically arranged with reference to the central axis of the base (1).

3. A gynecological clinical dilator according to claim 1, characterized in that, The expansion nozzle (4) is provided in two sets of blocks. Each set of expansion nozzles (4) is arc-shaped, and the two sets of expansion nozzles (4) are symmetrically arranged with reference to the central axis of the base (1). The two sets of expansion nozzles (4) are fixedly connected to two movable blocks (3) respectively.

4. A gynecological clinical dilator according to claim 1, characterized in that, The abutment block (701) is in the shape of an isosceles trapezoid, and the two inclined surfaces of the abutment block (701) are slidably connected to the two movable blocks (3).

5. A gynecological clinical dilator according to claim 1, characterized in that, The limiting rod consists of a fixed rod (702) fixedly connected to the inner wall of the movable cavity (2) and a movable rod (703) movably fitted inside the fixed rod (702), and the end of the movable rod (703) is fixedly connected to the abutment block (701).

6. A gynecological clinical dilator according to claim 1, characterized in that, The end of the threaded rod (704) is fixedly connected to a disc (705), and the outer wall of the disc (705) and the outer wall of the smooth rod of the threaded rod (704) are attached to the inner wall of the hole reserved inside the abutment block (701) to achieve a rotational connection. The outer diameter of the threaded rod (704) is smaller than the outer diameter of the disc (705).

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