CN110811531B

CN110811531B - Special genital tract expanding device for induced labor

Info

Publication number: CN110811531B
Application number: CN201911145601.0A
Authority: CN
Inventors: 沈春艳
Original assignee: Obstetrics and Gynecology Hospital of Fudan University
Current assignee: Obstetrics and Gynecology Hospital of Fudan University
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2022-04-12
Anticipated expiration: 2039-11-21
Also published as: CN110811531A

Abstract

The invention relates to the technical field of an expansion device, in particular to a genital tract expansion device special for induced labor, which comprises an expander outer cylinder, wherein an external expansion mechanism and an internal expansion mechanism are arranged in the expander outer cylinder, the external expansion mechanism comprises an end sleeve, a plurality of expansion blades, a sliding sleeve and a first rotating motor, the expansion blades are connected with the sliding sleeve through steel cables, a stud is tightly welded at the tail end of an output shaft of the first rotating motor and is in threaded connection with the sliding sleeve, the internal expansion mechanism comprises an air bag, a catheter and an electronic eye, and a delivery mechanism for delivering the catheter is arranged in the expander outer cylinder. This special genital tract expanding device of induced labor can expand the genital tract inside under the effect of gasbag after expanding the outside of genital tract through outside expanding mechanism for the embryo of induced labor patient can conveniently be observed through the electron eye of gasbag head, need not the patient and keeps the posture of squatting on the bedpan.

Description

Special genital tract expanding device for induced labor

Technical Field

The invention relates to the technical field of expansion devices, in particular to a genital tract expansion device special for induced labor.

Background

Induction of labor refers to the termination of pregnancy by artificially inducing uterine contraction for maternal or fetal reasons after 12 weeks of gestation, and in clinical induction, medical staff need to examine the embryo of a patient from the genital tract of the patient. At present, every embryo of a patient induced to labor is inspected, and the patient is usually enabled to sit on a bed pan and keep a squatting position after the bed pan is placed on the ground or on a closestool, so that inconvenience is brought to the patient.

Disclosure of Invention

The invention aims to provide a genital tract dilator special for induced labor, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a genital tract dilator special for induced labor comprises an expander outer cylinder, wherein an external dilating mechanism and an internal dilating mechanism are arranged in the expander outer cylinder, the external dilating mechanism comprises an end sleeve which is closely welded on the inner wall of the head of the expander outer cylinder, a plurality of dilating blades which are hinged on the end sleeve, a sliding sleeve which is sleeved in the expander outer cylinder and is in sliding connection with the expander outer cylinder, and a first rotating motor which is arranged in the expander outer cylinder, a steel cable is connected between the outer side end of each dilating blade and the sliding sleeve, a stud is closely welded at the tail end of an output shaft of the first rotating motor and is in threaded connection with the sliding sleeve, the internal dilating mechanism comprises an air bag which extends out of the head of the expander outer cylinder, a catheter which passes through the expander outer cylinder, and an electronic eye which is arranged at the head of the air bag, and a delivery mechanism which is used for delivering the catheter is arranged in the expander outer cylinder, the delivery mechanism comprises a pair of bases which are closely welded with the outer barrel of the dilator, a second rotating motor which is arranged on one base in an embedded mode, and a pair of clamping wheels which are arranged at the tail end of an output shaft of the second rotating motor and on the other base, and the catheter penetrates through the clamping wheels and then is connected to the control host.

Preferably, the outer dilator barrel is of a hollow cylindrical structure, and a handle is integrally formed at the bottom end of the tail of the outer dilator barrel.

Preferably, the end sleeve and the sliding sleeve are both in hollow cylinder structures, and the sliding sleeve is located on the rear side of the end sleeve and is in sliding connection with the outer barrel of the dilator.

Preferably, the front end face of the end sleeve is integrally formed with a plurality of hinge platforms, the expansion blade is provided with hinge grooves corresponding to the hinge platforms, and the expansion blade is hinged to the hinge platforms through the hinge grooves.

Preferably, a fixed block is integrally formed at the outer end of the expansion blade, one end of the steel cable is embedded in the fixed block, and the other end of the steel cable penetrates through the end sleeve and then is embedded in the sliding sleeve.

Preferably, the tail part of the first rotating motor is sleeved with a motor base, and the motor base is tightly welded with the inner wall of the outer barrel of the expander.

Preferably, the tail end of the air bag is connected with an inflation tube, and the inflation tube is sleeved in the conduit and connected with the control host.

Compared with the prior art, the invention has the beneficial effects that:

this special genital tract expanding device of induced labor, outside through setting up the outside expanding back to the genital tract is expanded inside delivering to the genital tract inside with inside expanding mechanism under the work of delivery mechanism for the gasbag can expand genital tract inside, can conveniently observe induced labor patient's embryo through the electron eye of gasbag head this moment, need not the patient and keep squatting the posture on the bedpan.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic view showing the installation of the external expanding mechanism in example 1;

FIG. 3 is a schematic view showing the structure of an external expanding mechanism in example 1;

FIG. 4 is a schematic view showing the structure of the internal expanding mechanism of example 1;

fig. 5 is a schematic structural view of the delivery mechanism in example 1.

In the figure: 1. an expander outer cylinder; 1a, a limiting groove; 11. a handle; 2. an external expansion mechanism; 21. end sleeves; 211. a hinging table; 22. expanding the blades; 221. a fixed block; 222. a wire rope; 23. a sliding sleeve; 231. a bump; 24. a first rotating electric machine; 241. a stud; 242. a motor base; 3. an internal expansion mechanism; 31. an air bag; 311. an inflation tube; 32. a conduit; 33. an electronic eye; 4. a delivery mechanism; 41. a base; 42. a second rotating electric machine; 43. a pinch roller; 5. and a control host.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. "several" means at least two, e.g., two, three, etc., unless explicitly limited otherwise.

Example 1

The embodiment provides a genital tract dilator special for induced labor, as shown in fig. 1-5, comprising an expander outer cylinder 1, an external dilating mechanism 2 and an internal dilating mechanism 3 are arranged in the expander outer cylinder 1, the external dilating mechanism 2 comprises an end sleeve 21 tightly welded on the inner wall of the head of the expander outer cylinder 1, a plurality of dilating blades 22 hinged on the end sleeve 21, a sliding sleeve 23 sleeved in the expander outer cylinder 1 and slidably connected with the expander outer cylinder 1, and a first rotating motor 24 installed in the expander outer cylinder 1, a steel cable 222 is connected between the outer end of the dilating blade 22 and the sliding sleeve 23, a stud is tightly welded at the tail end of an output shaft of the first rotating motor 241, and the stud 241 is in threaded connection with the sliding sleeve 23.

In this embodiment, the expander outer cylinder 1 is a hollow cylinder structure, the handle 11 is integrally formed at the bottom end of the tail portion of the expander outer cylinder 1, the switch for controlling the first rotating motor 24 to operate is installed on the handle 11, the switch, the first rotating motor 24 and the external power supply are electrically connected in sequence through a conducting wire, and when the switch is pressed to enable the first rotating motor 24 to operate, the output shaft of the first rotating motor 24 drives the stud 241 to rotate.

Specifically, both the end sleeve 21 and the sliding sleeve 23 are hollow cylindrical structures, and the sliding sleeve 23 is located on the rear side of the end sleeve 21 and is slidably connected with the expander outer cylinder 1, so that the stud 241 can drive the sliding sleeve 23 to move in the expander outer cylinder 1 under the action of the threads when rotating.

Further, a plurality of hinge platforms 211 are integrally formed on the front end surface of the end sleeve 21, hinge grooves corresponding to the hinge platforms 211 are formed in the expansion blades 22, and the expansion blades 22 are hinged to the hinge platforms 211 through the hinge grooves. The outer end of the expansion blade 22 is integrally formed with a fixing block 221, one end of the cable 222 is embedded in the fixing block 221, the other end of the cable 222 penetrates through the end sleeve 21 and then is embedded in the sliding sleeve 23, when the stud 241 rotates to drive the sliding sleeve 23 to move towards the rear side of the expander outer cylinder 1, the sliding sleeve 23 pulls the expansion blade 22 through the cable 222 to gradually expand outwards from a closed state under the action of the hinge table 211, so that the expansion blades 22 expand and expand the external mouth of the genital tract of the patient, and the internal part of the genital tract is exposed.

It should be noted that the tail of the first rotating motor 24 is sleeved with the motor base 242, and the motor base 242 is closely welded to the inner wall of the dilator outer barrel 1, so that the first rotating motor 24 is fixed inside the dilator outer barrel 1.

Further, the inner dilating means 3 passes through the middle of the outer dilating means 2, and the inner dilating means 3 includes a balloon 31 protruding from the head of the dilator barrel 1, a catheter 32 passing through the dilator barrel 1, and an electronic eye 33 mounted on the head of the balloon 31. The tail end of the air bag 31 is connected with an inflation tube 311, the inflation tube 311 is sleeved in the guide tube 32 and is connected with the control host 5, an air pump communicated with the inflation tube 311 is installed on the control host 5, the air bag 31 can be inflated to expand the interior of the genital tract of the patient by controlling the operation of the air pump after the air bag 31 is plugged into the interior of the genital tract of the patient, a display connected with the electronic eye 33 is further installed on the control host 5, pictures shot by the electronic eye 33 can be transmitted to the display, and medical staff can directly check embryos conveniently.

In addition, a delivery mechanism 4 for delivering the catheter 32 is installed in the dilator outer cylinder 1, the delivery mechanism 4 comprises a pair of bases 41 which are tightly welded with the dilator outer cylinder 1, a second rotating motor 42 which is installed and embedded on one of the bases 41, and a pair of pinch rollers 43 which are installed at the tail end of the output shaft of the second rotating motor 42 and on the other base 41, the catheter 32 passes through the pinch rollers 43 and then is connected to the control host 5, the control host 5 is provided with a control key for controlling the second rotating motor 42 to work, the control key, the second rotating motor 42 and an external power supply are sequentially electrically connected through conducting wires, the second rotating motor 42 can work by pressing the control key, so that the end of the output shaft of the second rotating motor 42 drives one of the clamping wheels 43 to rotate, under the action of friction, the pinch roller 43 drives the catheter 32 to perform telescopic movement, thereby controlling the movement of the balloon 31 inside the patient's genital tract.

It should be noted that both the first rotating electric machine 24 and the second rotating electric machine 42 related to the present invention can use a 42RP775 type dc brushed deceleration micro-motor manufactured by shenzhen maofenlong motor limited, and a control circuit thereof is provided by the manufacturer, and both the first rotating electric machine 24 and the second rotating electric machine 42 related to the present invention are prior art, and can be completely realized by those skilled in the art, and are not described herein again, and the protection content of the present invention does not relate to the improvement of the circuit and the using method.

When the special genital tract dilator for induced labor of the embodiment is used, firstly, a patient lies on the back of a bed, then two legs are lifted, the head of the dilator outer cylinder 1 is aligned with the genital tract of the patient, then the closed dilating blades 22 are abutted to the mouth of the genital tract, then the switch is pressed to enable the first rotating motor 24 to work and drive the stud 241 to rotate, when the stud 241 rotates to drive the sliding sleeve 23 to move towards the back side of the dilator outer cylinder 1, the sliding sleeve 23 pulls the dilating blades 22 to gradually expand outwards from the closed state under the action of the hinge table 211 through the steel cable 222, so that the plurality of dilating blades 22 expand and expand the outer mouth of the genital tract of the patient, thereby exposing the inside of the genital tract, finally, the air bag 31 is plugged into the inside of the genital tract of the patient, the control key is pressed to enable the second rotating motor 42 to work, so that the tail end of the output shaft of the second rotating motor 42 drives one of the clamping wheel 43 to rotate, under the effect of frictional force, press from both sides wheel 43 and drive pipe 32 and carry out concertina movement to control gasbag 31 at the inside motion of patient's genital tract, move to suitable position back when gasbag 31, control the work of air pump on the main control system 5, thereby make the air pump aerify gasbag 31 expand patient's genital tract inside, the picture that electron eye 33 was taken a photograph at this moment can transmit to the display on, the medical personnel of being convenient for directly inspect the embryo.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a special genital tract expanding unit of induced labor, includes expander urceolus (1), its characterized in that: be provided with outside expanding mechanism (2) and inside expanding mechanism (3) in expander urceolus (1), outside expanding mechanism (2) including inseparable butt joint in end cover (21) the head inner wall department of expander urceolus (1), articulate a plurality of expansion blade (22) on end cover (21), cup joint in expander urceolus (1) and with expander urceolus (1) sliding connection's slip cap (23) and install first rotating electrical machines (24) in expander urceolus (1), be connected with steel cable (222) between the outside end of expansion blade (22) and slip cap (23), the terminal close welding of output shaft of first rotating electrical machines (24) has double-screw bolt (241), double-screw bolt (241) and slip cap (23) threaded connection, inside expanding mechanism (3) are including gasbag (31) that stretch out from expander urceolus (1) head, The catheter (32) penetrates through the outer dilator barrel (1) and the electronic eye (33) is installed at the head of the air bag (31), a delivery mechanism (4) for delivering the catheter (32) is installed in the outer dilator barrel (1), the delivery mechanism (4) comprises a pair of bases (41) which are tightly welded with the outer dilator barrel (1), a second rotating motor (42) which is installed and embedded on one base (41) and a pair of pinch rollers (43) which are installed at the tail end of an output shaft of the second rotating motor (42) and on the other base (41), and the catheter (32) penetrates through the pinch rollers (43) and then is connected to the control host (5); the outer dilator barrel (1) is of a hollow cylindrical structure, and a handle (11) is integrally formed at the bottom end of the tail of the outer dilator barrel (1); the end sleeve (21) and the sliding sleeve (23) are both in hollow cylinder structures, and the sliding sleeve (23) is positioned on the rear side of the end sleeve (21) and is in sliding connection with the outer tube (1) of the dilator; a plurality of hinging tables (211) are integrally formed on the front end surface of the end sleeve (21), hinging grooves corresponding to the hinging tables (211) are formed in the expansion blade (22), and the expansion blade (22) is hinged with the hinging tables (211) through the hinging grooves; a fixed block (221) is integrally formed at the outer side end of the expansion blade (22), one end of a steel cable (222) is embedded in the fixed block (221), and the other end of the steel cable (222) penetrates through the end sleeve (21) and then is embedded in the sliding sleeve (23); the tail part of the first rotating motor (24) is sleeved with a motor base (242), and the motor base (242) is tightly welded with the inner wall of the expander outer barrel (1); when the dilator is used, firstly, a patient lies on the back of a bed, the two legs are lifted, the head of the dilator outer cylinder (1) is aligned to the genital tract of the patient, then, the closed dilating blades (22) are abutted to the mouth of the genital tract, then, a switch is pressed to enable the first rotating motor (24) to work and drive the stud (241) to rotate, when the stud (241) rotates to drive the sliding sleeve (23) to move towards the rear side of the dilator outer cylinder (1), the sliding sleeve (23) pulls the dilating blades (22) to gradually expand outwards from the closed state under the action of the hinge table (211) through the steel cable (222), so that the plurality of dilating blades (22) expand and expand the outer mouth of the genital tract of the patient, thereby the inner part of the genital tract is exposed, finally, the air bag (31) is stuffed into the inner part of the genital tract of the patient, and then a control key is pressed to enable the second rotating motor (42) to work, thereby enabling the tail end of an output shaft of the second rotating motor (42) to drive one of the clamping wheel (43) to rotate, under the effect of frictional force, press from both sides wheel (43) and drive pipe (32) and carry out concertina movement, thereby control gasbag (31) at the inside motion of patient's genital tract, move to suitable position after gasbag (31), control the work of air pump on control host computer (5), thereby make the air pump inflate gasbag (31) and make gasbag (31) expand patient's genital tract inside, the picture that electron eye (33) was taken out at this moment can transmit to the display on, the medical personnel of being convenient for directly inspect the embryo.

2. The genital tract expander special for induced labor of claim 1, wherein: the tail end of the air bag (31) is connected with an inflation tube (311), and the inflation tube (311) is sleeved in the guide tube (32) and connected with the control host (5).