CN211658112U

CN211658112U - Vaginal retractor for obstetrics and gynecology department

Info

Publication number: CN211658112U
Application number: CN201922394533.3U
Authority: CN
Inventors: 龙梅; 严永辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-13
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a vaginal retractor for obstetrics and gynecology department, which comprises a retractor body, a shell, four-finger holding pieces and a thumb driving mechanism; an opening is formed in one end of the shell, and a limiting block is fixedly connected to the opening end of the shell; the retractor body comprises a horizontal part and a bending part for pulling open the vagina; the end part of the horizontal part is fixedly connected with two sliding parts which are connected in the shell in a sliding way, a gap is reserved between the two sliding parts, and the inner side of one sliding part is fixedly connected with a tooth surface which consists of a plurality of teeth; the four-finger grip piece is vertically and fixedly connected with one end of the shell, and the tooth surface is controlled to move through the thumb driving mechanism so as to adjust the position of the drag hook body relative to the shell.

Description

Vaginal retractor for obstetrics and gynecology department

Technical Field

The utility model belongs to the technical field of gynaecology and obstetrics's medical instrument, particularly, be a gynaecology and obstetrics uses vagina drag hook.

Background

Ultrasound examination is also used in combination with other examination methods, and ultrasound biopsy for histological examination under the supervision of ultrasound examination and ultrasound endoscopy in combination with endoscopy have been used in many ways.

Colposcopy is common examination item in gynaecology, and medical personnel can adopt the vagina drag hook to pull open the vagina simultaneously to realize placing of apparatus, traditional vagina drag hook when in actual use, often can cause the painful damage of patient because medical personnel's misoperation, thereby make a lot of patients to the colposcope production very strong touch of supporting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vaginal retractor for obstetrics and gynecology department which solves the problems in the prior art.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a vaginal retractor for obstetrics and gynecology department comprises a retractor body, a shell, four-finger holding pieces and a thumb driving mechanism; an opening is formed in one end of the shell, and a limiting block is fixedly connected to the opening end of the shell; the retractor body comprises a horizontal part and a bending part for pulling open the vagina; the end part of the horizontal part is fixedly connected with two sliding parts which are connected in the shell in a sliding way, a gap is reserved between the two sliding parts, and the inner side of one sliding part is fixedly connected with a tooth surface which consists of a plurality of teeth; the four-finger grip piece is vertically and fixedly connected to one end of the shell, and the tooth surface is controlled to move through the thumb driving mechanism so as to adjust the position of the drag hook body relative to the shell.

Further limited, the four-finger grip comprises four finger rings which are sequentially arranged from top to bottom, and the adjacent finger rings are fixedly connected together through a connecting sheet.

Further limiting, the thumb driving mechanism comprises an L-shaped pipe, the L-shaped pipe comprises a horizontal pipe and a vertical pipe, one end, far away from each other, of the horizontal pipe and the vertical pipe is fixedly connected with the top of the four-finger holding piece and the surface of the shell respectively, a first rotating shaft is rotatably arranged in the horizontal pipe, a first circular gear is fixedly connected to the left end of the first rotating shaft, a second rotating shaft is rotatably arranged in the vertical pipe, the second rotating shaft is in transmission connection with the first rotating shaft through a bevel gear set, the bottom end of the second rotating shaft movably penetrates through the shell and is fixedly connected with a second circular gear, and the second circular gear is meshed with the tooth surface; the circumference face that vertical pipe one end was kept away from to the horizontal pipe is equipped with logical groove, and logical groove outside symmetry rigid coupling has a piece, is equipped with the damping axle between the piece, the damping axle both ends are passed through damping bearing and are rotated and connect on a piece, damping axle middle part rigid coupling has drive gear, drive gear one side is passed logical groove and is engaged with first round gear mutually.

Further limited, the bevel gear set comprises a first bevel gear and a first bevel gear, the first bevel gear is fixedly connected to the right end of the first rotating shaft, and the second bevel gear is fixedly connected to the top end of the second rotating shaft and meshed with the first bevel gear.

Further inject, the surface of the first rotating shaft and the second rotating shaft are both movably sleeved with a supporting sleeve, the supporting sleeve is fixedly connected with the horizontal pipe or the vertical pipe, and the surfaces of the first rotating shaft and the second rotating shaft, which are positioned at the two sides of the supporting sleeve, extend to form a limiting ring.

Compared with the prior art, the utility model provides a pair of gynaecology and obstetrics uses vaginal retractor has but not limited to following beneficial effect:

1. four fingers of one hand are respectively inserted into the four finger rings and tightly gripped, then the thumb rotates the driving gear downwards to drive the first circular gear to rotate, then the first rotating shaft rotates, the second rotating shaft rotates under the transmission of the bevel gear group, finally the second circular gear drives the tooth surface to move towards the inside of the shell, and the drag hook body slowly moves towards the shell in such a way, namely the drag hook body slowly pulls the vaginal opening open, so that pain is avoided;

2. the operation can be carried out by only one hand, and the other hand is liberated, so that the operation is more convenient and faster;

3. the damping rotating shaft is rotatably connected through the damping bearing, and due to the characteristics of the damping bearing, the thumb does not have resistance when rotating downwards, and the damping rotating shaft receives larger resistance when rotating upwards, so that the vaginal orifice is prevented from being furled and restored after being pulled open.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic view of the top view structure of the housing of the present invention.

The main element symbols are as follows:

the drag hook comprises a drag hook body 1, a horizontal part 2, a bending part 3, a shell 4, a ring 5, a connecting sheet 6, an L-shaped pipe 7, a support piece 8, a damping bearing 9, a driving gear 10, a sliding part 11, a tooth surface 12, a first rotating shaft 13, a first circular gear 14, a second rotating shaft 15, a first bevel gear 16, a second bevel gear 17, a second circular gear 18, a support sleeve 19, a limiting ring 20 and a limiting block 21.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-3, a vaginal retractor for obstetrics and gynecology department comprises a retractor body 1, a shell 4, four-finger grips and a thumb driving mechanism, wherein one end of the shell 4 is provided with an opening, and the opening end of the shell 4 is fixedly connected with a limit block 21 to prevent a sliding part 11 from being separated from the shell 4; the retractor body 1 comprises a horizontal part 2 and a bending part 3 for drawing open the vagina; the end part of the horizontal part 2 is fixedly connected with two sliding parts 11, the sliding parts 11 are connected in the shell 4 in a sliding way, a gap is reserved between the two sliding parts 11, the inner side of one sliding part 11 is fixedly connected with a tooth surface 12, and the tooth surface 12 consists of a plurality of teeth; the four-finger grip is vertically fixed at one end of the shell 4, and the tooth surface 12 is controlled to move by the thumb driving mechanism so as to adjust the position of the drag hook body 1 relative to the shell 4.

Preferably, the four-finger grip comprises four finger rings 5 arranged from top to bottom in sequence, and adjacent finger rings 5 are fixedly connected together through a connecting sheet 6.

Preferably, the thumb driving mechanism comprises an L-shaped pipe 7, the L-shaped pipe 7 comprises a horizontal pipe and a vertical pipe, one ends, far away from each other, of the horizontal pipe and the vertical pipe are fixedly connected with the top of the four-finger grip and the surface of the shell 4 respectively, a first rotating shaft 13 is rotatably arranged in the horizontal pipe, a first circular gear 14 is fixedly connected to the left end of the first rotating shaft 13, a second rotating shaft 15 is rotatably arranged in the vertical pipe, the second rotating shaft 15 is in transmission connection with the first rotating shaft 13 through a bevel gear set, the bottom end of the second rotating shaft 15 movably penetrates through the shell 4 and is fixedly connected with a second circular gear 18, and the second circular gear 18 is meshed with the tooth surface 12; the circumference face that vertical pipe one end was kept away from to the horizontal pipe is equipped with logical groove, and the symmetry rigid coupling in logical groove outside has a brace 8, is equipped with the damping axle between the brace 8, and the damping axle both ends are held the rotation through damping axle 9 and are connected on a brace 8, and damping axle middle part rigid coupling has drive gear 10, and drive gear 10 one side is passed logical groove and is meshed with first round gear 14 mutually.

Preferably, the bevel gear set comprises a first bevel gear 16 and a first bevel gear 17, the first bevel gear 16 is fixedly connected to the right end of the first rotating shaft 13, and the second bevel gear 17 is fixedly connected to the top end of the second rotating shaft 15 and is meshed with the first bevel gear 16.

Preferably, the surfaces of the first rotating shaft 13 and the second rotating shaft 15 are movably sleeved with a supporting sleeve 19, the supporting sleeve 19 is fixedly connected with a horizontal pipe or a vertical pipe, and the surfaces of the first rotating shaft 13 and the second rotating shaft 15 at the two sides of the supporting sleeve extend to form a limiting ring 20 to prevent the first rotating shaft 13 and the second rotating shaft 15 from moving axially.

The working principle is as follows: before using, draw hook body 1 outward earlier, later insert four rings 5 respectively and firmly in the four fingers of one hand, and then the thumb rotates drive gear 10 downwards, drive first round gear 14 and rotate, and then first pivot 13 rotates, passes down second pivot 15 at bevel gear group and rotates, and final second round gear 18 drives flank of tooth 12 and moves towards casing 4 is inside, makes hook body 1 slowly move towards casing 4 through this kind of mode, and hook body 1 slowly pulls open the vaginal orifice promptly, avoids causing the pain. Meanwhile, the damping rotating shaft is rotatably connected through the damping bearing 9, and due to the characteristics of the damping bearing 9, the thumb does not have resistance when rotating downwards, and the damping rotating shaft can bear larger resistance when rotating upwards, so that the self-furling and recovering of the vagina opening after being pulled open are avoided.

The vagina draw hook for obstetrics and gynecology department provided by the utility model is introduced in detail. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A vaginal retractor for obstetrics and gynecology department is characterized by comprising a retractor body, a shell, four-finger holding pieces and a thumb driving mechanism;

an opening is formed in one end of the shell, and a limiting block is fixedly connected to the opening end of the shell;

the retractor body comprises a horizontal part and a bending part for pulling open the vagina;

the end part of the horizontal part is fixedly connected with two sliding parts which are connected in the shell in a sliding way, a gap is reserved between the two sliding parts, and the inner side of one sliding part is fixedly connected with a tooth surface which consists of a plurality of teeth;

the four-finger grip piece is vertically and fixedly connected to one end of the shell, and the tooth surface is controlled to move through the thumb driving mechanism so as to adjust the position of the drag hook body relative to the shell.

2. The gynecological vaginal retractor according to claim 1, characterized in that the four-finger grip comprises four finger rings arranged from top to bottom in sequence, and the adjacent finger rings are fixedly connected together through a connecting piece.

3. The vaginal retractor for obstetrics and gynecology department as claimed in claim 2, characterized in that the thumb driving mechanism comprises an L-shaped tube, the L-shaped tube comprises a horizontal tube and a vertical tube, the ends of the horizontal tube and the vertical tube, which are far away from each other, are respectively fixedly connected with the top of the four-finger grip and the surface of the shell, a first rotating shaft is rotatably arranged in the horizontal tube, a first circular gear is fixedly connected with the left end of the first rotating shaft, a second rotating shaft is rotatably arranged in the vertical tube, the second rotating shaft is in transmission connection with the first rotating shaft through a bevel gear set, the bottom end of the second rotating shaft movably penetrates through the shell and is fixedly connected with a second circular gear, and the second circular gear is meshed with the tooth surface;

the circumference face that vertical pipe one end was kept away from to the horizontal pipe is equipped with logical groove, and logical groove outside symmetry rigid coupling has a piece, is equipped with the damping axle between the piece, the damping axle both ends are passed through damping bearing and are rotated and connect on a piece, damping axle middle part rigid coupling has drive gear, drive gear one side is passed logical groove and is engaged with first round gear mutually.

4. The vaginal retractor for obstetrics and gynecology department as claimed in claim 3, wherein the bevel gear set comprises a first bevel gear and a second bevel gear, the first bevel gear is fixedly connected to the right end of the first rotating shaft, the second bevel gear is fixedly connected to the top end of the second rotating shaft and is meshed with the first bevel gear.

5. The gynecological vaginal retractor as claimed in claim 3, wherein the first and second shafts are movably sleeved with a support sleeve, the support sleeve is fixedly connected to the horizontal or vertical tube, and a limit ring extends from the surface of the first and second shafts on both sides of the support sleeve.