CN112773646A - Medical inspection device for gynecological vagina - Google Patents

Abstract

The invention provides a gynecological vaginal medical examination device, and relates to the technical field of medical instruments. This medical inspection device of gynaecology's vagina, which comprises a bracket, support bottom one side is provided with the fixed plate, the fixed plate bottom is provided with the locking bolt, the support top is provided with struts the subassembly, it includes connecting plate, backup pad, clamp plate, motor and transmission shaft to strut the subassembly, the connecting plate sets up in support top both sides, the backup pad set up in the connecting plate inboard and with connecting plate sliding connection. This medical inspection device of gynaecology's vagina rotates through the clamp plate and drives the clamp plate to both sides motion, and the scale mark through the clamp plate outside can accurately master through the clamp plate and drive the distance that the connecting plate removed with the cooperation of connecting plate, and this structure is convenient for wholly fix the device to can conveniently adjust the distance before two backup pads fast, adjust the precision height, the practicality is strong in the in-service use.

Description

Medical inspection device for gynecological vagina

Technical Field

The invention relates to the technical field of gynecological medical instruments, in particular to a gynecological vaginal medical examination device.

Background

When gynecological examination is carried out, to observe the situation in the vagina and even in the uterus, the patient needs to open the two legs to expose the private part, and medical examination is carried out after the vagina is opened by a special instrument. In addition, when the observation of the cervical and vaginal wall tissues is performed by means of professional instruments, the observation is very inconvenient, the comfort is poor, and more imperfect places are provided, such as: the manual operation cannot be conveniently and quickly adjusted, and the stability after adjustment is poor, so that the user cannot be well protected, and the manual operation is not practical enough.

In addition, as the vaginal wall and the cervical tissue of the puerpera are in a relaxed state after delivery, the vaginal wall tissue is easily extruded into the observation instrument to be mistakenly clamped, and the extruded tissue part also influences the inspection visual field, thereby bringing inconvenience to the examination of the puerpera by medical staff.

Disclosure of Invention

In view of the defects of the prior art, the invention provides a gynecological vaginal medical examination device, which solves the problems that the prior art does not have the auxiliary support and separation function for the two legs, is inconvenient to observe and adjust and is easy to clamp the vaginal wall by mistake.

In order to achieve the purpose, the invention is realized by the following technical scheme: a gynecological vaginal medical examination device comprises a leg switch device for separating two legs and an expander for expanding a vagina, wherein the leg switch device comprises a support, a fixing plate is arranged on one side of the bottom of the support, a locking bolt is arranged at the bottom end of the fixing plate, and an opening assembly is arranged at the top of the support; the utility model discloses a motor, including strutting the subassembly, strutting the motor, strutting the subassembly and including connecting plate, backup pad, clamp plate, motor and transmission shaft, the connecting plate sets up in support top both sides, the backup pad set up in the connecting plate inboard and with connecting plate sliding connection, the quantity of connecting plate sets up to two, the clamp plate sets up between two connecting plates, the clamp plate sets up to ellipse circular, the clamp plate outside is provided with the scale mark, transmission shaft and motor output end fixed connection, the transmission shaft top is provided with the cross axle, be provided with the belt between cross axle and the transmission shaft, motor one end and.

Simultaneously, above-mentioned expander is including expanding the external genitals body, expand the external genitals body and include the handle and can open closed first expansion board and second expansion board through handle control, first expansion board is articulated mutually with the second expansion board and all is duckbilled last beak column structure, inside one side that first expansion board and second expansion board are close to each other, for example interior equal fixedly connected with of bottom two symmetrical dead levers that are vertical direction, two that are located first expansion board all twine respectively on the dead lever has the elasticity silica gel piece, and two one side that first expansion board was kept away from to the elasticity silica gel piece is fixed connection respectively on two fixed rod surfaces that are located second expansion board, so that two the inside that the elasticity silica gel piece is located first expansion board and second expansion board respectively just to the seam crossing of the two both sides.

Has the advantages that: the invention specially designs the leg switch device and the expander, the leg switch device can accurately master the moving distance of the connecting plate driven by the pressing plate, the whole device is convenient to fix, the distance between the two supporting plates can be conveniently and quickly adjusted, the adjusting precision is high, the legs of a patient can be well opened and separated to the most suitable width, and the flexibility is strong in the actual use process. On the other hand, the dilator can prop open the vagina fast, makes medical personnel can adjust the range of vagina expansion size when checking, and can stop that the vagina inner wall and the cervical tissue that are in the lax state after the childbirth are pressed from both sides by the mistake, has comparatively fully and guaranteed the inside exposure of cervix uteri and vagina safely, and the medical personnel of being convenient for carry out gynecological examination to women, especially the lying-in woman after childbirth.

Drawings

FIG. 1 is a schematic view of the overall structure of the leg switch of the present invention;

FIG. 2 is a schematic perspective view of the leg switch of the present invention;

FIG. 3 is a schematic view of a connection plate structure of the leg switch of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a perspective view of the dilator of the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 5;

FIG. 7 is a schematic representation of yet another perspective view of the dilator of the present invention;

FIG. 8 is a schematic plan view of the dilator of the present invention;

FIG. 9 is a schematic view of the elastic silicone sheet in FIG. 7 in the direction of K;

FIG. 10 is a view showing a coupling structure between the lead screw and the rotary shaft;

fig. 11 is another connection structure diagram between the screw rod and the rotating shaft.

In the figure: 1. a support; 2. a fixing plate; 3. locking the bolt; 4. a connecting plate; 5. a support plate; 6. pressing a plate; 7. a motor; 8. a drive shaft; 9. scale lines; 10. a horizontal axis; 11. a belt; 12. a slide plate; 13. positioning the bolt; 14. a disc; 15. a balancing weight; 16. a round bar; 17. a slider; 18. a fixed block; 19. a slide bar; 20. a spring; b1, a vaginal dilator body; b2, a handle; b21, a first fixing plate; b22, a second fixing plate; b3, a first expansion board; b4, a second expansion board; b5, fixing the rod; b6, elastic silica gel sheet; b7, an adjusting mechanism; b71, a screw rod; b72, a rotating shaft; b73, a stroke slot; b74, stroke block; b8, a chute.

Detailed Description

The invention discloses a gynecological vaginal medical examination device, which mainly comprises a leg stretching device for separating two legs and a dilator for dilating a vagina. For the leg switch, the structure of the leg switch is shown in fig. 1-4, and comprises two supports 1, two supports 1 are provided, a sliding plate 12 is provided between the two supports 1, one end of each support 1 is slidably connected with the sliding plate 12, a positioning bolt 13 is provided at the top of the sliding plate 12, the positioning bolt 13 penetrates through the sliding plate 12 and extends to the outer side of each support 1, a vertical plate is fixedly connected to the top of the sliding plate 12, a transverse shaft 10 penetrates through the vertical plate and is rotatably connected with the vertical plate, a counterweight 15 is provided at one end of the transverse shaft 10, which is far away from the vertical plate, a fixing plate 2 is provided at one side of the bottom of each support 1, a locking bolt 3 is provided at the bottom end of each fixing plate 2. Simultaneously, this subassembly that struts includes connecting plate 4, backup pad 5, clamp plate 6, motor 7 and transmission shaft 8, connecting plate 4 sets up in 1 top both sides of support, backup pad 5 set up in connecting plate 4 inboard and with connecting plate 4 sliding connection, backup pad 5 is close to connecting plate 4 one side fixedly connected with round bar 16, the connecting plate 4 outside is provided with the spout that runs through, the inside sliding connection of spout has slider 17, round bar 16 runs through slider 17 and rotates with slider 17 to be connected, round bar 16 keeps away from 5 one end of backup pad and is provided with fixed block 18. Round bar 16 and 18 threaded connection of fixed block, the quantity of connecting plate 4 sets up to two, clamp plate 6 sets up between two connecting plates 4, clamp plate 6 sets up to the ellipse circular, the clamp plate 6 outside is provided with scale mark 9, transmission shaft 8 and 7 output fixed connection of motor, 8 tops of transmission shaft are provided with cross axle 10, be provided with belt 11 between cross axle 10 and the transmission shaft 8, transmission shaft 8 and the cross axle 10 outside all are provided with the band pulley, belt 11 sets up in the band pulley outside, motor 7 one end and clamp plate 6 fixed connection are kept away from to cross axle 10.

The structure of the dilator in this embodiment, as shown in fig. 5-8 in particular, includes a dilator body b1, the dilator body b1 includes a handle b2 and a first dilator panel b3 and a second dilator panel b4 which can be controlled to open and close by the handle b2, the first dilator panel b3 is hinged to the second dilator panel b4, and the first dilator panel b3 and the second dilator panel b4 are both duck bill shaped upper beak structure. As shown in fig. 7 and 9, two symmetrical and vertical fixing rods b5 are fixedly connected to the inner bottom of the side where the first expansion plate b3 and the second expansion plate b4 are close to each other, two elastic silicone pieces b6 are respectively wound on the two fixing rods b5 located in the first expansion plate b3, and the side, away from the first expansion plate b3, of the two elastic silicone pieces b6 is respectively and fixedly connected to the surfaces of the two fixing rods b5 located in the second expansion plate b 4. Two elastic silicone pieces b6 are respectively abutted against two side gaps formed by the first expansion plate b3 and the second expansion plate b4 facing each other to completely or partially close the gaps. The elastic silicone sheet b6 of this embodiment is preferably made of a material with sufficient elasticity and a small thickness, so that when the vagina is opened, the elastic silicone sheet b6 can extend sufficiently to prevent the vaginal wall and cervical tissue in a relaxed state after delivery from entering the gap (slit) between the first expansion plate b3 and the second expansion plate b4, and to prevent pinching injury, therefore, it is preferable to design the elastic silicone sheet b6 to completely close the respective corresponding two side slits, and the vagina thus opened can facilitate the medical staff to fully examine the parturient after delivery. When the structure is used, the two expansion plates are opened by the handle and then released to be folded, the two expansion plates are quickly reset and folded under the action of the elastic silicone piece b6, and therefore, the elastic silicone piece b6 also plays a role in resetting.

The leg switch of the present embodiment may be embodied as follows:

firstly, two opposite standing plates are fixedly connected to the top of the support 1, a sliding rod 19 is arranged between the standing plates and the connecting plate 4, one end of the sliding rod 19 is fixedly connected with the support plate 5, the other end of the sliding rod 19 penetrates through the standing plates and is axially and slidably connected with the standing plates, and a spring 20 is sleeved on the outer side of the sliding rod 19 between the standing plates and the support plate 5. Furthermore, the spring 20 can also exert a certain pressing action when the pressure plate 6 is in pressing contact with the support plate 5.

More specifically, the embodiment further comprises a fixing plate 2 arranged at the bottom of the bracket 1, and a sliding plate 12 arranged between the two brackets 1, when in use, the bracket 1 is pulled to adjust the distance between the two brackets 1, after the adjustment, the bracket 1 is placed on a patient bed, the fixing plate 2 is clamped at the bedside of the patient bed, at this time, the fixing plate 12 is fixed with the bracket 1 by rotating the positioning bolt 13, the fixing plate 2 is fixed with the bedside by rotating the locking bolt 3, for example, the edge of the bedside is inserted into the locking bolt 3 and the hook part of the bracket to be tightly pressed, so as to realize the fixed connection of the two, and at this time, the supporting plate 5 can be moved up and down to adjust the height of the supporting plate 5, while the round rod 16 penetrates through the sliding block 17 and is rotatably connected with the sliding block 17, the supporting plate 5 can be rotated to adjust the inclined angle thereof, after the adjustment, the round rod 16 and the sliding, the support plate 5 can now be inserted between the legs, in particular at the base of the legs, in order to separate the thigh region around the vagina and prevent the patient from suddenly gripping the legs during the examination. When in specific use, the supporting plate 5 can extend along the length direction of the thigh and is tightly attached to the inner side of the thigh root so as to pull the thigh open. In addition, this embodiment drives transmission shaft 8 through the output of motor 7 and rotates, and be provided with belt 11 between transmission shaft 8 and the cross axle 10, consequently can drive cross axle 10 through transmission shaft 8 and rotate, cross axle 10 can drive clamp plate 6 and rotate, clamp plate 6 rotates and can cause the extrusion to the connecting plate 4 of both sides, thereby drive two connecting plates 4 and move to both sides respectively, can accurately grasp the distance that drives connecting plate 4 and move through clamp plate 6 through the cooperation of scale mark 9 (setting towards the outside) and connecting plate 4 in the clamp plate 6 outside, be convenient for strut fast to established optimum position when strutting again after releasing patient's both legs midway, scale mark 9 is the mark reference of this position, thereby also improve the inspection efficiency when being favorable to protecting the user. This structure of this embodiment is convenient for wholly fix the device to can conveniently adjust the distance before two backup pads 5 fast, adjust and prop the aperture, the precision is high, and the practicality is strong in the in-service use process.

Finally, through being provided with slide bar 19, slide bar 19 runs through the board of standing and rotates with the board of standing and be connected, can improve the stability of connecting plate 4 and backup pad 5 motion, and spring 20 in the slide bar 19 outside can also drive connecting plate 4 and reset to be favorable to accomodating and next use.

Further, the dilator of the present embodiment may be embodied as follows:

as another embodiment, as shown in fig. 5-8, a pulling element for pulling the elastic silicone sheet b6 to be wound on its surface is arranged on the fixing rod b5 located in the first expanding plate b3, i.e. the iron ruler strip is wound on its body like a tape measure, this structure can make the elastic silicone sheet have no large elasticity, even made of environment-friendly skin-friendly material with no elasticity, and is especially suitable for the inspection occasion needing to expand the vagina to a large extent. When the device is used, the closed first expansion board b3 and the closed second expansion board b4 are firstly extended into the vagina, the first expansion plate b3 and the second expansion plate b4 are expanded by the action of the handle b2 to expand the vagina, when the first expansion plate b3 and the second expansion plate b4 are expanded, the fixing rod b5 in the second expansion plate b4 pulls the elastic silicone pieces b6 to expand, so that the two elastic silicone pieces b6 can respectively cover the two side gaps between the first expansion plate b3 and the second expansion plate b4, so as to prevent the vaginal wall and the cervical tissue which are in a relaxed state after delivery from entering the gap between the first expansion plate b3 and the second expansion plate b4 and prevent clamping injury, therefore, the elastic silicone sheet b6 is preferably designed to completely close the gaps (gaps) on the two sides, so as to open the vagina, which is convenient for medical staff to examine the puerpera after delivery. When the first expansion plate b3 and the second expansion plate b4 are closed, the elastic silicone sheet b6 can be recovered to be wound on the surface of the fixing rod b5 under the action of the pulling piece, and the elastic silicone sheet is wound. When the first expansion plate b3 and the second expansion plate b4 are expanded, the elastic silicone sheet b6 can adaptively follow the angle change of the included angle between the first expansion plate b3 and the second expansion plate b4 to generate certain deformation under the left and right of the pulling piece, so as to close the gap between the first expansion plate b3 and the second expansion plate b4 as much as possible.

Specifically, referring to fig. 7, the pulling member is a spiral spring, the spiral spring is wound on the surface of the fixing rod b5 located in the first expansion plate b3, one end of the spiral spring is fixedly connected to the surface of the fixing rod b5, the other end of the spiral spring is fixedly connected to one side of the elastic silicone sheet b6, when the first expansion plate b3 and the second expansion plate b4 are opened, the spiral spring is stretched and tightened, and in the process of closing the first expansion plate b3 and the second expansion plate b4, the spiral spring pulls the elastic silicone sheet b6 to be wound on the surface of the fixing rod b5 in the first expansion plate b3 through the elastic action of the spiral spring, so that the design is more reasonable in use.

Besides, the pulling element may be a flat spiral spring, or other torsion spring, and based on the design of the coil housing of the spring, the skilled person can adapt the design, and will not be described in detail here.

Preferably, as shown in fig. 5, 7 and 8, the handle b2 includes a first fixing plate b21 fixedly connected to the top of the first expanding plate b3 and a second fixing plate b22 fixedly connected to the top of the second expanding plate b4, the first fixing plate b21 is located above the second fixing plate b22, an included angle is formed between the bottom surface of the first fixing plate b21 and the top surface of the second fixing plate b22, the first fixing plate b21 is provided with an adjusting mechanism b7 for changing the included angle between the first fixing plate b21 and the second fixing plate b22, and the size of the opening and closing between the first expanding plate b3 and the second expanding plate b4 can be controlled by changing the included angle between the first fixing plate b21 and the second fixing plate b22, so as to control the size of the vaginal expansion.

In order to change the angle between the first fixing plate b21 and the second fixing plate b22, please refer to fig. 6, in some embodiments, it is proposed that the adjusting mechanism b7 includes a screw rod b71 threaded on the first fixing plate b21 and perpendicular to the first fixing plate b21, a bottom of the screw rod b71 is rotatably connected with a rotating shaft b72 having the same central axis as the rotating shaft b 3583, and is rotatably connected with the rotating shaft b72 without being separated from each other all the time, and the structure is as shown in fig. 10. The top of the second fixing plate b22 is provided with a stroke groove b73 along the length direction, a stroke block b74 with the top hinged to the bottom end of the rotating shaft b72 is inserted in the stroke groove b73 in a sliding manner, the screw rod b71 is rotated through threads, the screw rod b71 can move up and down on the first fixing plate b21, meanwhile, the screw rod b71 can rotate on the rotating shaft b72 and drive the rotating shaft b72 to move correspondingly, the rotating shaft b72 can drive the stroke block b74 to slide in the stroke groove b73, and the change of the included angle between the first fixing plate b21 and the second fixing plate b22 is achieved. Specifically, when the screw rod b71 rises on the first fixing plate b21, the angle of the included angle will be reduced, and the first expansion plate b3 and the second expansion plate b4 are gradually opened, and when the screw rod b71 descends on the first fixing plate b21, the angle of the included angle will be increased, and the first expansion plate b3 and the second expansion plate b4 are gradually closed, so that the purpose of controlling the opening and closing of the first expansion plate b3 and the second expansion plate b4 is realized, and the amplitude of the vaginal expansion size can be adjusted when medical personnel check the vaginal expansion size.

Meanwhile, as shown in fig. 6, sliding grooves b8 are formed in two sides of the inner wall of the stroke groove b73, sliding blocks inserted into the corresponding sliding grooves b8 in a sliding mode are formed in two sides of the stroke block b74, the stroke block b74 can be prevented from being separated from the stroke groove b73 due to the design, and the sliding blocks can be directly replaced by small cylindrical rollers to roll in the sliding grooves b8 so as to be flexibly matched with the hinged rotation of the two fixing plates.

For the above matching connection structure of the first fixing plate b21 between the second fixing plates b22, in addition to the above matching structure of the screw rod and the rotating shaft, the embodiment may also replace the rotating shaft b72 with a stud, the bottom end of the screw rod b71 has a blind threaded hole, the blind threaded hole is in threaded fit with the stud, and the screw rod b71 is rotationally connected with the first fixing plate b21 through a deep groove ball bearing, so that the screw rod b71 rotates in place relative to the first fixing plate b21, and the second fixing plate b22 is close to or away from the first fixing plate b21, thereby indirectly changing the opening included angle of the two expansion plates; when the screw rod b71 is installed on the first fixing plate b21, the deep groove ball bearing is firstly embedded into the installation hole prefabricated on the first fixing plate b21, and then a section of the polished rod section on the screw rod b71 is installed in the deep groove ball bearing in an interference fit mode. Compared with the connection structure of the screw rod and the rotating shaft, the design structure has better stability because the thread meshing length can be selected to be longer, and meanwhile, the thickness of the first fixing plate b21 is thinner, so that the manufacture cost and the use weight are reduced, the design structure is lighter, and the defects are that the processing of internal threads is more difficult than that of external threads, and relatively speaking, the diameter of the screw rod b71 is slightly thicker.

In addition, in order to solve the problem that secretion is generated in the vagina and the first expansion board b3 and the second expansion board b4 may slip when being expanded, in some embodiments, it is proposed that a rubber pad is fixedly connected to each side of the first expansion board b3 and the second expansion board b4, which are away from each other, the surfaces of the first expansion board b3 and the second expansion board b4 are generally smooth, and the rubber pad is arranged to increase the friction between the first expansion board b3 and the second expansion board b4 and the inner wall of the vagina when being expanded, so as to reduce the possibility that the first expansion board b3 and the second expansion board b4 slip.

In summary, the gynecological vaginal examination device provided by the above embodiment has the following advantages:

firstly, through the fixing rod b5 and the elastic silicone sheet b6 arranged on the first expansion plate b3 and the second expansion plate b4, when the first expansion plate b3 and the second expansion plate b4 are expanded, the fixing rod b5 in the second expansion plate b4 pulls the elastic silicone sheet b6 to expand, so that the two elastic silicone sheets b6 can cover two sides of a gap between the first expansion plate b3 and the second expansion plate b4, so as to prevent the vaginal inner wall and cervical tissues in a relaxed state after delivery from entering between the first expansion plate b3 and the second expansion plate b4, thereby ensuring the complete exposure of the cervix and the vaginal interior and facilitating the examination of medical staff on the parturient after delivery. Secondly, through the adjustment mechanism b7 that sets up on first fixed plate b212, through the change of the contained angle between first fixed plate b212 and second fixed plate b222, can realize the control of the size that opens and shuts between first expansion board b3 and second expansion board b4, make medical personnel can adjust the range of vaginal expansion size when checking.

In addition, the rubber pads are arranged on the first expansion board b3 and the second expansion board b4, so that the surfaces of the first expansion board b3 and the second expansion board b4 are generally smooth, and the arrangement of the rubber pads can increase the friction between the first expansion board b3 and the second expansion board b4 and the inner wall of the vagina when the first expansion board b3 and the second expansion board b4 are expanded, and reduce the possibility of slipping of the first expansion board b3 and the second expansion board b 4.

Finally, the distance between the two brackets 1 is adjusted by pulling the brackets 1, the fixed plate 2 is fixed with the bedside by rotating the positioning bolt 13 and fixing the sliding plate 12 with the brackets 1, the fixed plate 2 is fixed with the bedside by rotating the locking bolt 3, the inclined angle of the supporting plate 5 is adjusted by rotating the supporting plate 5, then the transmission shaft 8 is driven to rotate by the output end of the motor 7, the transverse shaft 10 can be driven to rotate, the pressing plate 6 is driven to move towards two sides by rotating the pressing plate 6, the distance for driving the connecting plate 4 to move by the pressing plate 6 can be accurately mastered by matching the scale mark 9 on the outer side of the pressing plate 6 with the connecting plate 4, the whole device can be conveniently fixed by the structure, the distance between the two supporting plates 5 can be conveniently and quickly adjusted, the adjustment precision is high, the legs of a patient can be well separated to the. In addition, the slide rod 19 penetrates through the standing plate and is rotatably connected with the standing plate, so that the movement stability of the connecting plate 4 and the supporting plate 5 can be improved, and the spring 20 outside the slide rod 19 can drive the connecting plate 4 to reset, thereby being beneficial to the next use.

The foregoing has described the general principles and principal features of the invention and its advantages. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A gynecological vaginal medical examination device comprising a leg-distracter for separating the legs and a dilator for dilating the vagina, characterized in that: the leg switch comprises a support (1), a fixing plate (2) is arranged on one side of the bottom of the support (1), a locking bolt (3) is arranged at the bottom end of the fixing plate (2), and a spreading assembly is arranged at the top of the support (1); the strutting component comprises a connecting plate (4), a supporting plate (5), a pressing plate (6), a motor (7) and a transmission shaft (8), the connecting plates (4) are arranged at two sides of the top of the bracket (1), the supporting plates (5) are arranged at the inner sides of the connecting plates (4) and are connected with the connecting plates (4) in a sliding way, the number of the connecting plates (4) is two, the press plate (6) is arranged between the two connecting plates (4), the pressing plate (6) is elliptical, the outer side of the pressing plate (6) is provided with scale marks (9), the transmission shaft (8) is fixedly connected with the output end of the motor (7), a transverse shaft (10) is arranged at the top of the transmission shaft (8), a belt (11) is arranged between the transverse shaft (10) and the transmission shaft (8), one end of the transverse shaft (10) far away from the motor (7) is fixedly connected with the pressure plate (6);

the dilator comprises a vaginal dilator body (b1), the vaginal dilator body (b1) comprises a handle (b2) and a first expansion plate (b3) and a second expansion plate (b4) which can be opened and closed and controlled by a handle (b2), the first expansion plate (b3) and the second expansion plate (b4) are hinged and are of duckbilled upper beak-shaped structures, two fixing rods (b5) which are symmetrical and arranged in the vertical direction are fixedly connected inside one side, close to each other, of the first expansion plate (b3) and the second expansion plate (b4), two fixing rods (b3) located in the first expansion plate (b3) are respectively wound with an elastic silica gel sheet (b6), and two sides, far away from the first expansion plate (b3), of the elastic silica gel sheet (b6) are respectively and fixedly connected to two fixing rods (b5) located in the second expansion plate (b4), so that the surfaces of the two fixing rods (b5) located in the second expansion plate (b4) are respectively located in the first expansion plate (b4) The inner part of the cover is opposite to the seams at the two sides of the cover.

2. A gynecological vaginal medical examination device according to claim 1, characterized in that: the number of the supports (1) is two, a sliding plate (12) is arranged between the supports (1), and one end of each support (1) is connected with the sliding plate (12) in a sliding mode.

3. A gynecological vaginal medical examination device according to claim 2, characterized in that: the top of the sliding plate (12) is provided with a positioning bolt (13), and the positioning bolt (13) penetrates through the sliding plate (12) and extends to the outer side of the support (1).

4. A gynecological vaginal medical examination device according to claim 1, characterized in that: the top end of the locking bolt (3) is rotatably connected with a disc (14), and the number of the locking bolts (3) is 4.

5. A gynecological vaginal medical examination device according to claim 2, characterized in that: slide (12) top fixedly connected with riser, cross axle (10) run through the riser and are connected with the riser rotation, riser one end is kept away from in cross axle (10) is provided with balancing weight (15).

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