CN219250127U

CN219250127U - Cervical dilator

Info

Publication number: CN219250127U
Application number: CN202320260775.7U
Authority: CN
Inventors: 徐云; 杨正菊; 黄敏
Original assignee: Affiliated Wudang Hospital Of Guizhou Medical University
Current assignee: Affiliated Wudang Hospital Of Guizhou Medical University
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-27
Anticipated expiration: 2033-02-20

Abstract

The utility model belongs to the technical field of medical appliances, and discloses a cervical dilator, which comprises: a fixing seat; the screw rod is rotatably arranged in the fixed seat, and one end of the fixed seat is connected with a fixed plate; the side wall of the fixed plate is movably connected with a rotating rod through a bearing, a first supporting arm and a second supporting arm are symmetrically fixed on the outer wall of the rotating rod, and one ends of the first supporting arm and the second supporting arm, which are opposite to the rotating rod, are connected with expansion plates; the utility model can make the first support arm and the second support arm drive the expansion plates on the first support arm and the second support arm to rotate respectively through the coordination of the motor screw rod, the movable block, the fixed seat, the connecting rod and other structures, thereby making the two expansion plates rotate and prop up the cervical.

Description

Cervical dilator

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a cervical dilator.

Background

Medical instruments refer to instruments, equipment, appliances and the like which are directly or indirectly used for a human body, and in the gynecological examination process, when medical staff needs to treat the cervical part of a patient, a dilator is usually needed to prop up the cervical part so as to observe operation.

When the existing cervical dilator is used, the cervical is usually strutted by using two supporting plates capable of moving back to back, but the cervical dilator not only needs to occupy a wider space to influence the operation of medical staff, but also has a smaller expansion range, thereby greatly influencing the practicability of the device.

Disclosure of Invention

The utility model aims to provide a cervical dilator, which aims to solve the problems that the prior art needs to occupy a wider space and has a smaller dilating range.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a cervical dilator, comprising:

a fixing seat;

the screw rod is rotatably arranged in the fixed seat, and one end of the fixed seat is connected with a fixed plate;

the side wall of the fixed plate is movably connected with a rotating rod through a bearing, a first supporting arm and a second supporting arm are symmetrically fixed on the outer wall of the rotating rod, and one ends of the first supporting arm and the second supporting arm, which are opposite to the rotating rod, are connected with expansion plates;

the movable block is arranged on the outer wall of the screw rod through threads, and a connecting rod is hinged between the movable block and the first support arm and between the movable block and the second support arm.

Preferably, the cervical dilator further comprises:

the first groove is formed in the inner side of the expansion plate, the second groove is symmetrically formed in the outer sides of the first support arm and the second support arm, and the first groove is matched with the second groove;

and the outer side of one end of the expansion plate, which is close to the rotating rod, is provided with a fixed knob, and the inner wall of the second groove is provided with a plurality of thread grooves matched with the fixed knob.

Preferably, the cervical dilator further comprises a drive assembly, and the drive assembly is used for driving the screw to rotate.

Preferably, the driving assembly comprises a motor fixed at one end of the fixing seat, and the output end of the motor extends into the fixing seat and is connected with the screw rod.

Preferably, the handle is installed to the fixing base for the one end of fixed plate, and the outer wall of handle is equipped with the silica gel cover.

Preferably, the motor further comprises a protective cover arranged on the outer wall of the motor, and the side wall of the protective cover is provided with a heat dissipation groove.

Compared with the prior art, the utility model has the beneficial effects that:

according to the cervical dilator, the first support arm and the second support arm can respectively drive the expansion plates on the first support arm and the second support arm to rotate through the cooperation of the structures such as the motor screw, the movable block, the fixed seat and the connecting rod, so that the two expansion plates rotate and expand the cervical, the occupied width space is small, the expansion range is large, and the convenience and the practicability of the cervical dilator are greatly improved;

simultaneously, through the cooperation of first recess, second recess, fixed knob and thread groove, can make two expansion plates slide on first support arm and second support arm respectively, and then can realize the length adjustment of expansion plate to satisfy different insertion depths according to the demand, improved the practicality of device greatly.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a rear view of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 1;

in the figure: 1. a handle; 2. a motor; 3. a fixing seat; 4. a rotating rod; 5. a connecting rod; 6. a first support arm; 7. an expansion plate; 8. a first groove; 9. a second groove; 10. a second support arm; 11. a fixing plate; 12. a movable block; 13. a screw; 14. fixing a knob; 15. a thread groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a cervical dilator, comprising:

a fixing seat 3;

the screw 13 is rotatably arranged in the fixed seat 3, and one end of the fixed seat 3 is connected with the fixed plate 11;

the side wall of the fixed plate 11 is movably connected with a rotating rod 4 through a bearing, a first supporting arm 6 and a second supporting arm 10 are symmetrically fixed on the outer wall of the rotating rod 4, and one ends of the first supporting arm 6 and the second supporting arm 10, which are opposite to the rotating rod 4, are connected with an expansion plate 7;

the movable block 12 is arranged on the outer wall of the screw 13 through threads, and a connecting rod 5 is hinged between the movable block 12 and the first support arm 6 and the second support arm 10.

The device also comprises a driving assembly, and the driving assembly is used for driving the screw 13 to rotate;

the driving assembly comprises a motor 2 fixed at one end of a fixed seat 3, and the output end of the motor 2 extends into the fixed seat 3 and is connected with a screw 13.

Through the technical scheme:

specifically, during the use, can insert two expansion plates 7 in patient's the cervical earlier, then drive screw 13 through motor 2 and rotate, make screw 13 drive movable block 12 remove on fixing base 3, afterwards movable block 12 drives connecting rod 5 and rotates, make connecting rod 5 pulling first support arm 6 and second support arm 10 rotate simultaneously, then first support arm 6 and second support arm 10 drive expansion plate 7 rotation on it respectively, thereby make two expansion plates 7 rotatory and strut the cervical, through the mode that this rotation was expanded, not only the width space that need occupy is little, and the scope of expanding is great, the convenience and the practicality of device have been improved greatly.

Further, the motor also comprises a protective cover arranged on the outer wall of the motor 2, and a heat dissipation groove is formed in the side wall of the protective cover; the motor 2 can be protected by the protective cover, and the heat dissipation groove has the effect of ventilation and heat dissipation.

Referring to fig. 3, the cervical dilator further comprises:

the first groove 8 is formed in the inner side of the expansion plate 7, the second groove 9 is symmetrically formed in the outer sides of the first support arm 6 and the second support arm 10, and the first groove 8 is matched with the second groove 9;

and the outer side of one end of the expansion plate 7, which is close to the rotating rod 4, is provided with a fixed knob 14, and the inner wall of the second groove 9 is provided with a plurality of thread grooves 15 matched with the fixed knob 14.

Through the technical scheme:

specifically, the first groove 8 and the second groove 9 are mutually embedded, the expansion plate 7 can be pulled to enable the first groove 8 and the second groove 9 to slide relatively, then the fixing knob 14 on the expansion plate 7 is rotated, the end part of the fixing knob 14 is screwed into the corresponding thread groove 15, and then the expansion plate 7 can be fixed, and further the length adjustment of the expansion plate 7 can be realized, so that different insertion depths can be met according to requirements, and the practicability of the device is greatly improved.

Referring to fig. 1, a handle 1 is installed at one end of a fixed seat 3 opposite to a fixed plate 11, and a silica gel sleeve is arranged on the outer wall of the handle 1; the device is convenient to hold by the handle 1, and the silica gel sleeve can play a role of skid resistance.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cervical dilator, comprising:

a fixed seat (3);

a screw rod (13) which is rotatably arranged in the fixed seat (3), and one end of the fixed seat (3) is connected with a fixed plate (11);

the side wall of the fixed plate (11) is movably connected with a rotating rod (4) through a bearing, a first supporting arm (6) and a second supporting arm (10) are symmetrically fixed on the outer wall of the rotating rod (4), and one ends of the first supporting arm (6) and the second supporting arm (10) relative to the rotating rod (4) are both connected with an expansion plate (7);

the movable block (12) is arranged on the outer wall of the screw rod (13) through threads, and a connecting rod (5) is hinged between the movable block (12) and the first supporting arm (6) and the second supporting arm (10).

2. A cervical dilator according to claim 1 wherein said cervical dilator further comprises:

the expansion plate comprises a first groove (8) formed in the inner side of the expansion plate (7) and a second groove (9) symmetrically formed in the outer sides of the first support arm (6) and the second support arm (10), wherein the first groove (8) is matched with the second groove (9);

and the outer side of one end of the expansion plate (7) close to the rotating rod (4) is provided with a fixed knob (14), and the inner wall of the second groove (9) is provided with a plurality of thread grooves (15) matched with the fixed knob (14).

3. A cervical dilator according to claim 2 wherein: the cervical dilator further comprises a driving assembly, and the driving assembly is used for driving the screw rod (13) to rotate.

4. A cervical dilator according to claim 3 wherein: the driving assembly comprises a motor (2) fixed at one end of the fixed seat (3), and the output end of the motor (2) extends into the fixed seat (3) and is connected with the screw rod (13).

5. A cervical dilator according to claim 4 wherein: the handle (1) is installed to fixing base (3) for the one end of fixed plate (11), and the outer wall of handle (1) is equipped with the silica gel cover.

6. A cervical dilator according to claim 5 wherein: the motor also comprises a protective cover arranged on the outer wall of the motor (2), and the side wall of the protective cover is provided with a heat dissipation groove.