CN111481396A

CN111481396A - Hysteroscope and minimally invasive mixed operating room equipment for collecting liquid

Info

Publication number: CN111481396A
Application number: CN202010381738.2A
Authority: CN
Inventors: 李巧龄
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-08-04

Abstract

The invention discloses a minimally invasive hybrid operating room device for a hysteroscope and liquid collection, which comprises a rubber ball, wherein an operation component is arranged on the right side of the rubber ball. This minimal access mixed operation room equipment that hysteroscope and liquid were collected, make the inflation value of rubber ball unfixed, can last to support tightly with patient's vagina, when guaranteeing to seal the effect, avoid the too big problem of stress of rubber ball and patient's vagina inner wall, and can not appear expanding the problem that palace liquid leaked because of the expansion of patient's vaginal opening, the measurement when guaranteeing to expand palace liquid outflow is accurate, through the bolt, first threaded rod, cooperation between support and the draw-in groove, make the inflation value of rubber ball also can fix, satisfy different operation needs, can select whether the interior palace liquid that expands of patient flows out, make things convenient for medical personnel to control, this minimal access mixed operation room equipment that hysteroscope and liquid were collected is convenient fixed, and fixed position does not confine patient's health position, reduce the waste of time.

Description

Hysteroscope and minimally invasive mixed operating room equipment for collecting liquid

Technical Field

The invention relates to the technical field of hysteroscope operations, in particular to a minimally invasive hybrid operating room device for hysteroscope and liquid collection.

Background

The hysteroscope is an advanced device for diagnosing and treating intrauterine diseases, can clearly observe various changes in uterine cavity, and can diagnose and treat by combining pathological results, the hysteroscope needs to observe the situation of uterine cavity under a certain pressure of uterine swelling liquid medium, but the uterine swelling liquid is quickly absorbed in a large amount and remains in vivo after the wound surface of operation in uterine cavity operation, so that the blood osmotic pressure of a patient is reduced, the diluted hyponatremia, the blood volume is excessive and the like, and the water poisoning of the patient is caused, therefore, the volume of the uterine swelling liquid injected and flowed out must be measured, and the uterine swelling liquid needs to be collected.

However, in the process of using the liquid collecting device for the hysteroscope operation in the prior art, the vaginal orifice of a patient is contracted or expanded, which easily causes the problems of overlarge stress on the vaginal orifice or untight sealing of the vaginal orifice, if the vaginal orifice is stressed too much, discomfort of the patient is easily caused, the untight sealing easily causes leakage of the uterine distention liquid, and the volume of the uterine distention liquid is not beneficial to metering and flowing out.

Disclosure of Invention

The invention aims to provide a hysteroscope and minimally invasive mixed operating room equipment for collecting liquid, and aims to solve the problems that in the process of using a liquid collecting device for hysteroscope operation in the prior art, the vaginal opening of a patient is contracted or expanded, so that the stress of the vaginal opening is too large or the closure of the vaginal opening is not tight, and if the vaginal opening is too large, the discomfort of the patient is easily caused, the leakage of the uterine distention liquid is easily caused, and the volume of the uterine distention liquid is not beneficial to metering.

In order to achieve the purpose, the invention provides the following technical scheme: a minimally invasive hybrid operating room device for a hysteroscope and liquid collection comprises a rubber ball, wherein an operation assembly is arranged on the right side of the rubber ball;

the operation assembly comprises a tank body, a bent pipe, a transverse pipe, a hose, a box body, a graduated scale, a plug body, a circular plate, a rubber sleeve, a first spring, a transverse rod, a cover body, a transverse hole and a support;

the left end of the tank body is communicated with a curved pipe, the bottom of the curved pipe is communicated with a transverse pipe, the left side of the outer wall of the transverse pipe is fixedly connected with the inner wall of a rubber ball, a hose is arranged inside the transverse pipe, the left end of the hose penetrates through the left side of the outer wall of the rubber ball, the hose and the rubber ball are fixed together, the outer wall of the hose penetrates through the transverse pipe, the outer wall of the hose and the transverse pipe are fixed together, the right end of the hose is communicated with a tank body, the top of the tank body is fixedly connected with the bottom of the tank body through a support, the right side of the inner wall of the tank body is fixedly connected with a graduated scale, the inner wall of the tank body is in threaded connection with a plug body, a transverse hole is formed above the right side of the tank body, the right side of the outer wall of the tank body is in threaded connection, the outer wall of rubber sleeve and the inner wall interference fit of the jar body, first spring has been cup jointed on the outer wall left side of horizontal pole, both ends respectively with plectane and lid counterbalance tightly about first spring.

Preferably, a handle is processed at the right end of the cross rod.

Preferably, the top of the cross rod is provided with a fixing component;

the fixing component comprises a sliding block, a bolt, a clamping groove, a support and a first threaded rod;

the left end of slider and the right side fixed connection of lid are in the same place, the outer wall sliding clamping of slider has the bolt, the bottom of bolt is in the same place through draw-in groove and horizontal pole joint, the left side top fixedly connected with support of bolt, the inner wall threaded connection of support has first threaded rod, the top rotation that the bearing was passed through to the bottom of first threaded rod and slider links to each other.

Preferably, a hand wheel is machined at the top of the first threaded rod.

Preferably, the bottom of the bolt is matched with the clamping groove.

Preferably, a closing device is arranged inside the transverse hole;

the sealing device comprises a supporting rod, a baffle plate, a rubber pad, a second spring, a second threaded rod and a handle;

the outer wall of branch links to each other with the inner wall activity of cross bore, the left end fixedly connected with baffle of branch, the right side fixedly connected with rubber pad of baffle, the right side of rubber pad offsets tightly with the inner wall left side of cross bore, the right-hand member fixedly connected with second threaded rod of branch, the outer wall right side threaded connection of second threaded rod has the handle, the second spring has been cup jointed on the outer wall right side of branch, both ends respectively offset tightly with box and handle about the second spring.

Preferably, a connecting piece is arranged on the left side of the bottom of the box body;

the connecting piece comprises a base, a curved rod, a U-shaped frame and a bolt;

the top of base and the outer wall bottom left side fixed connection of box are in the same place, the left side fixedly connected with curved bar of base, the bottom fixedly connected with U type frame of curved bar, the left side of U type frame is equipped with the bolt, the outer wall and the base screw thread of bolt link to each other.

Compared with the prior art, the invention has the beneficial effects that: this minimal access mixed operating room equipment that hysteroscope and liquid were collected, simple structure, the operation effect is good, can be better satisfy medical personnel's operation needs, its specific beneficial effect as follows:

1. this minimal access mixed operating room equipment that hysteroscope and liquid were collected, through the rubber ball, the bent pipe, violently manage, the jar body, the plectane, the rubber sleeve, cooperation between horizontal pole and the first spring, make the inflation value of rubber ball unfixed, and under the effect of first spring, can last to support tightly with patient's vagina, when guaranteeing to seal the effect, avoid the too big problem of stress of rubber ball and patient's vagina inner wall, and can not appear expanding the problem that palace liquid leaked because the expansion of patient's vaginal orifice, the measurement when guaranteeing to expand palace liquid outflow is accurate.

2. The minimally invasive hybrid operating room equipment for the hysteroscope and the liquid collection has the advantages that the expansion value of the rubber ball can be fixed through the matching among the bolt, the first threaded rod, the support and the clamping groove, so that the use mode of the minimally invasive hybrid operating room equipment for the hysteroscope and the liquid collection is more flexible, and different operation requirements are met.

3. This minimal access mixed operating room equipment that hysteroscope and liquid were collected for through the cooperation between branch, baffle, rubber pad and the second spring, open and seal by medical personnel's control of through-hole, can be with whether the uterus swelling liquid that selects the patient is internal flows out, make things convenient for medical personnel to control.

4. The minimally invasive hybrid operating room equipment for the hysteroscope and the liquid collection is convenient to fix through the matching among the base, the curved rod, the U-shaped rod, the bolt and the hose, and the fixed position is not limited to the body position of a patient, so that the minimally invasive hybrid operating room equipment for the hysteroscope and the liquid collection is more convenient to fix, and the waste of time is reduced in the operating process.

5. The minimally invasive mixed operation room equipment for the hysteroscope and the liquid collection is characterized in that a U-shaped frame is sleeved on the outer wall of a railing of a hospital bed, the U-shaped frame and the hospital bed are fixed by rotating a bolt, the minimally invasive mixed operation room equipment for the hysteroscope and the liquid collection is fixed at the moment, a certain amount of uterus swelling liquid is injected into the uterus of a patient, then a rubber ball is inserted into the vagina of the patient, medical personnel hold a cross rod at the moment, a first threaded rod is rotated, the first threaded rod drives a bolt to move upwards through matching with a support, the bolt is separated from a clamping groove, the circular plate drives the rubber sleeve to move leftwards along the inner wall of a tank body under the action of a first spring, gas in the tank body enters the rubber ball through a curved tube and a transverse tube, the rubber ball expands in the vagina of the patient, the vagina of the patient is sealed, the bolt can be driven to move downwards through the first reverse, the cross rod is fixed through the matching of the bolt and the clamping groove, so that the expansion value of the rubber ball is fixed.

6. This mixed operating room equipment of wicresoft that hysteroscope and liquid were collected, can not fix the horizontal pole if need, if not fix the horizontal pole, this moment under the effect of first spring, the plectane lasts the power that has the motion left, and then guarantee the patient no matter the vaginal orifice shrink or the expansion, the rubber ball can all play confined effect to patient's vagina, press the handle, the handle drives branch motion left, branch drives the baffle motion left, the cross bore is opened this moment, patient's internal uterus swelling liquid is through the inside of flowing into the box by the hose, the uterus swelling liquid volume of outflow is observed through the scale, and then be convenient for compare the uterus swelling liquid volume of injection.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing the connection relationship between the curved tube, the transverse tube and the flexible tube in FIG. 1;

FIG. 3 is a schematic view of the connection relationship between the base, the U-shaped frame and the bolt in FIG. 1;

FIG. 4 is a schematic view of a connection relationship between the tank, the tank and the rubber sleeve in FIG. 1;

FIG. 5 is a schematic view of the connection structure of the support rod, the baffle and the handle in FIG. 4;

fig. 6 is a schematic view showing a connection structure of the slider, the latch and the first threaded rod in fig. 4.

In the figure: 1. the device comprises a working assembly, 101, a tank body, 102, a bent pipe, 103, a transverse pipe, 104, a hose, 105, a box body, 106, a graduated scale, 107, a plug body, 108, a circular plate, 109, a rubber sleeve, 110, a first spring, 111, a cross rod, 112, a cover body, 113, a transverse hole, 114, a support, 2, a fixing assembly, 201, a sliding block, 202, a bolt, 203, a clamping groove, 204, a support, 205, a first threaded rod, 3, a closing device, 301, a support rod, 302, a baffle, 303, a rubber pad, 304, a second spring, 305, a second threaded rod, 306, a handle, 4, a connecting piece, 401, a base, 402, a bent rod, 403, a U-shaped frame, 404, a bolt, 5 and a rubber ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a minimally invasive mixed operating room device for hysteroscopy and liquid collection comprises a rubber ball 5, wherein the rubber ball 5 is inserted into the vagina of a patient when the minimally invasive mixed operating room device is used, the vagina of the patient is blocked through the deformation of the rubber ball 5, the right side of the rubber ball 5 is provided with an operation assembly 1, the operation assembly 1 comprises a tank body 101, a curved tube 102, a transverse tube 103, a hose 104, a box body 105, a graduated scale 106, a plug body 107, a circular plate 108, a rubber sleeve 109, a first spring 110, a cross rod 111, a cover body 112, a transverse hole 113 and a support 114, the left end of the tank body 101 is communicated with the curved tube 102, the bottom of the curved tube 102 is communicated with the transverse tube 103, the transverse tube 103 is matched with the curved tube 102, the tank body 101 is communicated with the rubber ball 5, the left side of the outer wall of the transverse tube 103 is fixedly connected with the inner wall of the rubber ball 5, the hose 104 is arranged inside the transverse tube 103, the liquid inside the vagina of, the hose 104 is fixed with the rubber ball 5, the outer wall of the hose 104 penetrates through the transverse pipe 103, the outer wall of the hose 104 is fixed with the transverse pipe 103, the right end of the hose 104 is communicated with a box body 105, the top of the box body 105 is fixedly connected with the bottom of the tank body 101 through a support 114, the right side of the inner wall of the box body 105 is fixedly connected with a graduated scale 106, the graduated scale 106 is convenient for medical personnel to observe the volume of liquid inside the box body 105, the inner wall of the box body 105 is in threaded connection with a plug body 107, a transverse hole 113 is formed in the upper right side of the box body 105, the box body 105 is communicated with the outside through the transverse hole 113, it is guaranteed that the air pressure inside the box body 105 is normal, the right side of the outer wall of the tank body 101 is in threaded connection with a cover body 112, a cross rod 111 is in clearance fit with the inner wall of the cover body, the outer wall of the rubber sleeve 109 is in interference fit with the inner wall of the tank body 101, a first spring 110 is sleeved on the left side of the outer wall of the cross rod 111, the first spring 110 gives an elastic force to the circular plate 108 to the left, the left end and the right end of the first spring 110 are respectively abutted against the circular plate 108 and the cover body 112, and a handle is processed at the right end of the cross rod 111.

The top of the cross bar 111 is provided with a fixing component 2, the fixing component 2 comprises a sliding block 201, a bolt 202, a clamping groove 203, a support 204 and a first threaded rod 205, the left end of the sliding block 201 is fixedly connected with the right side of the cover body 112, the sliding block 201 has a limiting effect on the bolt 202, the bolt 202 is slidably clamped on the outer wall of the sliding block 201, the bottom of the bolt 202 is clamped with the cross bar 111 through the clamping groove 203, the bolt 202 and the clamping groove 203 are matched to play a fixing effect on the cross bar 111, the support 204 is fixedly connected with the top of the left side of the bolt 202, the support 204 is matched with the first threaded rod 205, so that the first threaded rod 205 can be rotated to drive the plug 202 to move upwards or downwards, the inner wall of the support 204 is in threaded connection with the first threaded rod 205, the bottom of the first threaded rod 205 is rotatably connected with the top of the slider 201 through a bearing, a hand wheel is processed at the top of the first threaded rod 205, and the bottom of the plug 202 is matched with the clamping groove 203.

The inside of cross bore 113 is equipped with closing device 3, closing device 3 includes branch 301, baffle 302, rubber pad 303, second spring 304, second threaded rod 305 and handle 306, the outer wall of branch 301 links to each other with the inner wall activity of cross bore 113, the left end fixedly connected with baffle 302 of branch 301, baffle 302 and the cooperation of rubber pad 303 play confined effect to box 105, the right side fixedly connected with rubber pad 303 of baffle 302, the right side of rubber pad 303 offsets tightly with the inner wall left side of cross bore 113, the right-hand member fixedly connected with second threaded rod 305 of branch 301, the outer wall right side threaded connection of second threaded rod 305 has handle 306, second spring 304 has been cup jointed on the outer wall right side of branch 301, second spring 304 gives branch 301 the elasticity of keeping away from box 105, and then guarantee that rubber pad 303 offsets tightly with cross bore 113, the left and right sides both ends of second spring 304 offset tightly with box 105 and handle 306 respectively.

The left side of the bottom of the box body 105 is provided with a connecting piece 4, the connecting piece 4 comprises a base 401, a curved bar 402, a U-shaped frame 403 and a bolt 404, the top of the base 401 is fixedly connected with the left side of the bottom of the outer wall of the box body 105, the left side of the base 401 is fixedly connected with the curved bar 402, the bottom of the curved bar 402 is fixedly connected with the U-shaped frame 403, the minimally invasive mixed operation room equipment for hysteroscope and liquid collection can be conveniently fixed at a railing of a hospital bed through the U-shaped frame 403 and the bolt 404, the left side of the U-shaped frame 403 is provided with the bolt 404, and the outer wall of.

When the minimally invasive mixed operation room equipment with the hysteroscope and the liquid collection is used, firstly, the fixing position of the minimally invasive mixed operation room equipment with the hysteroscope and the liquid collection is selected according to the position of a patient, the U-shaped frame 403 is sleeved on the outer wall of a railing of a hospital bed, the fixing of the U-shaped frame 403 and the hospital bed is realized by rotating the bolt 404, the fixing of the minimally invasive mixed operation room equipment with the hysteroscope and the liquid collection is completed at the moment, a certain amount of uterus swelling liquid is injected into the uterus of the patient, then the rubber ball 5 is inserted into the vagina of the patient, at the moment, medical personnel hold the cross rod 111 and rotate the first threaded rod 205, the first threaded rod 205 drives the bolt 202 to move upwards through the matching with the support 204, the bolt 202 is separated from the clamping groove 203, at the moment, under the action of the first spring 110, the circular plate 108 drives the rubber sleeve 109 to move leftwards along the inner wall of the tank body 101, and gas in the, the rubber ball 5 expands in the vagina of the patient, so as to seal the vagina of the patient, at the moment, the first threaded rod 205 can be rotated reversely to drive the bolt 202 to move downwards, the cross rod 111 is fixed through the matching of the bolt 202 and the clamping groove 203, so that the expansion value of the rubber ball 5 is fixed, if necessary, the cross rod 111 can not be fixed, if the cross rod 111 is not fixed, at the moment, under the action of the first spring 110, the circular plate 108 continuously has a force of moving leftwards, so as to ensure that the rubber ball 5 can seal the vagina of the patient no matter the vaginal orifice contracts or expands, the handle 306 is pressed, the handle 306 drives the supporting rod 301 to move leftwards, the supporting rod 301 drives the baffle 302 to move leftwards, at the moment, the transverse hole 113 is opened, the uterine distention liquid in the body of the patient flows into the box body 105 through the hose 104, the volume of the outflowing uterine distention liquid is, thereby being convenient for comparing the volume of the injected uterus dilating liquid.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides a minimal access hybrid operating room equipment that hysteroscope and liquid were collected, includes rubber ball (5), its characterized in that: the right side of the rubber ball (5) is provided with an operation assembly (1);

the operation assembly (1) comprises a tank body (101), a bent pipe (102), a transverse pipe (103), a hose (104), a tank body (105), a graduated scale (106), a plug body (107), a circular plate (108), a rubber sleeve (109), a first spring (110), a cross rod (111), a cover body (112), a cross hole (113) and a support (114);

the left end of the tank body (101) is communicated with a curved pipe (102), the bottom of the curved pipe (102) is communicated with a transverse pipe (103), the left side of the outer wall of the transverse pipe (103) is fixedly connected with the inner wall of a rubber ball (5), a hose (104) is arranged inside the transverse pipe (103), the left end of the hose (104) penetrates through the left side of the outer wall of the rubber ball (5), the hose (104) and the rubber ball (5) are fixed together, the outer wall of the hose (104) penetrates through the transverse pipe (103), the outer wall of the hose (104) and the transverse pipe (103) are fixed together, the right end of the hose (104) is communicated with a tank body (105), the top of the tank body (105) is fixedly connected with the bottom of the tank body (101) through a support (114), the right side of the inner wall of the tank body (105) is fixedly connected with a graduated scale (106), and the inner wall of the tank body (, cross bore (113) have been seted up to the right side top of box (105), the outer wall right side threaded connection of the jar body (101) has lid (112), the inner wall clearance fit of lid (112) has horizontal pole (111), the left end fixedly connected with plectane (108) of horizontal pole (111), the outer wall fixedly connected with rubber sleeve (109) of plectane (108), the outer wall of rubber sleeve (109) and the inner wall interference fit of the jar body (101), first spring (110) have been cup jointed on the outer wall left side of horizontal pole (111), both ends respectively with plectane (108) and lid (112) counterbalance tightly about first spring (110).

2. A hysteroscope and fluid collection minimally invasive hybrid operating room device according to claim 1, characterized in that: the right end of the cross rod (111) is provided with a handle.

3. A hysteroscopic and fluid-collecting minimally invasive hybrid operating room apparatus according to claims 1-2, wherein: the top of the cross rod (111) is provided with a fixing component (2);

the fixing component (2) comprises a sliding block (201), a bolt (202), a clamping groove (203), a support (204) and a first threaded rod (205);

the left end of slider (201) is in the same place with the right side fixed connection of lid (112), the outer wall slip joint of slider (201) has bolt (202), draw-in groove (203) are passed through to the bottom of bolt (202) and are in the same place with horizontal pole (111) joint, the left side top fixedly connected with support (204) of bolt (202), the inner wall threaded connection of support (204) has first threaded rod (205), the top rotation that the bearing was passed through to the bottom of first threaded rod (205) and slider (201) links to each other.

4. A hysteroscope and fluid collection minimally invasive hybrid operating room device according to claim 3, characterized in that: the top of the first threaded rod (205) is provided with a hand wheel.

5. A hysteroscope and fluid collection minimally invasive hybrid operating room device according to claim 3, characterized in that: the bottom of the bolt (202) is matched with the clamping groove (203).

6. A hysteroscope and fluid collection minimally invasive hybrid operating room device according to claim 1, characterized in that: a sealing device (3) is arranged in the transverse hole (113);

the closing device (3) comprises a support rod (301), a baffle plate (302), a rubber pad (303), a second spring (304), a second threaded rod (305) and a handle (306);

the outer wall of branch (301) links to each other with the inner wall activity of cross bore (113), the left end fixedly connected with baffle (302) of branch (301), the right side fixedly connected with rubber pad (303) of baffle (302), the right side of rubber pad (303) offsets tightly with the inner wall left side of cross bore (113), the right-hand member fixedly connected with second threaded rod (305) of branch (301), the outer wall right side threaded connection of second threaded rod (305) has handle (306), second spring (304) have been cup jointed to the outer wall right side of branch (301), both ends are inconsistent tightly with box (105) and handle (306) respectively about second spring (304).

7. A hysteroscope and fluid collection minimally invasive hybrid operating room device according to claim 1, characterized in that: a connecting piece (4) is arranged on the left side of the bottom of the box body (105);

the connecting piece (4) comprises a base (401), a curved rod (402), a U-shaped frame (403) and a bolt (404);

the top of base (401) and the outer wall bottom left side fixed connection of box (105) are in the same place, the left side fixedly connected with knee-rod (402) of base (401), the bottom fixedly connected with U type frame (403) of knee-rod (402), the left side of U type frame (403) is equipped with bolt (404), the outer wall and base (401) the screw thread of bolt (404) link to each other.

8. The application of the minimally invasive hybrid operating room equipment for hysteroscopy and liquid collection is characterized in that: when the minimally invasive mixed operation room equipment with the hysteroscope and the liquid collection is used, firstly, the fixing position of the minimally invasive mixed operation room equipment with the hysteroscope and the liquid collection is selected according to the position of a patient, the U-shaped frame 403 is sleeved on the outer wall of a railing of a hospital bed, the fixing of the U-shaped frame 403 and the hospital bed is realized by rotating the bolt 404, the fixing of the minimally invasive mixed operation room equipment with the hysteroscope and the liquid collection is completed at the moment, a certain amount of uterus swelling liquid is injected into the uterus of the patient, then the rubber ball 5 is inserted into the vagina of the patient, at the moment, medical personnel hold the cross rod 111 and rotate the first threaded rod 205, the first threaded rod 205 drives the bolt 202 to move upwards through the matching with the support 204, the bolt 202 is separated from the clamping groove 203, at the moment, under the action of the first spring 110, the circular plate 108 drives the rubber sleeve 109 to move leftwards along the inner wall of the tank body 101, and gas in the, the rubber ball 5 expands in the vagina of the patient, so as to seal the vagina of the patient, at the moment, the first threaded rod 205 can be rotated reversely to drive the bolt 202 to move downwards, the cross rod 111 is fixed through the matching of the bolt 202 and the clamping groove 203, so that the expansion value of the rubber ball 5 is fixed, if necessary, the cross rod 111 can not be fixed, if the cross rod 111 is not fixed, at the moment, under the action of the first spring 110, the circular plate 108 continuously has a force of moving leftwards, so as to ensure that the rubber ball 5 can seal the vagina of the patient no matter the vaginal orifice contracts or expands, the handle 306 is pressed, the handle 306 drives the supporting rod 301 to move leftwards, the supporting rod 301 drives the baffle 302 to move leftwards, at the moment, the transverse hole 113 is opened, the uterine distention liquid in the body of the patient flows into the box body 105 through the hose 104, the volume of the outflowing uterine distention liquid is, thereby being convenient for comparing the volume of the injected uterus dilating liquid.