CN114587454B - Clinical cervical dilation device of using of gynaecology and obstetrics - Google Patents
Clinical cervical dilation device of using of gynaecology and obstetrics Download PDFInfo
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- CN114587454B CN114587454B CN202210310855.9A CN202210310855A CN114587454B CN 114587454 B CN114587454 B CN 114587454B CN 202210310855 A CN202210310855 A CN 202210310855A CN 114587454 B CN114587454 B CN 114587454B
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- 230000010339 dilation Effects 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 230000004224 protection Effects 0.000 claims abstract description 23
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 8
- 210000003679 cervix uteri Anatomy 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 230000009979 protective mechanism Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003754 fetus Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/14—Female reproductive, genital organs
- A61M2210/1433—Uterus
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Gynecology & Obstetrics (AREA)
- Pregnancy & Childbirth (AREA)
- Reproductive Health (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses a cervical dilation device for obstetrics and gynecology clinic, which comprises a handle, a driving mechanism, a protection mechanism, a connecting arm and a dilation mechanism; the invention has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, and the parallel four-bar structure formed by the first connecting bar, the second connecting bar, the expansion arms and the like not only ensures that all the expansion arms can be opened outwards in parallel, but also improves the opening range; the protective mechanism provided by the invention can fully wrap the expansion mechanism through the elastic sleeve, so that the expansion arm is ensured not to cause discomfort of a puerpera in the opening process, and in addition, the infection caused by the entry of pollutants into the cervix is avoided; the first spring arranged in the driving mechanism ensures a certain buffer in the expansion process, thereby avoiding the discomfort of puerpera or the injury of cervix caused by direct hard expansion.
Description
Technical Field
The invention relates to the technical field of medical equipment for obstetrics and gynecology, in particular to a cervical dilation device for clinical use in obstetrics and gynecology.
Background
At present, the second labor is prolonged in the delivery process of the puerpera, and even the life of a fetus can be endangered, in order to shorten the second labor, the safety of a mother and an infant is ensured, and the cervical dilator is clinically adopted to assist the puerpera to dilate the cervix, but the existing cervical dilator mainly consists of two support rods, so that the cervix of the puerpera is dilated towards two sides, the discomfort of the puerpera is easily caused, the dilation effect is poor, and the dilation range of the existing cervical dilator for obstetrics and gynecology is more effective, so that the dilation devices with different sizes are required to be replaced so as to meet the cervical dilation requirements of different puerpera delivery.
Disclosure of Invention
The invention aims to solve the problems and provide the cervical dilation device for obstetrics and gynecology clinic, which solves the problems that the prior cervical dilation device for obstetrics and gynecology clinic has more effective dilation range, so that dilation devices with different sizes need to be replaced so as to meet cervical dilation needs of different puerperas during delivery.
In order to solve the problems, the invention provides a technical scheme that: the utility model provides a clinical cervical dilation device of using of gynaecology and obstetrics which innovation point lies in: comprises a handle, a driving mechanism, a protection mechanism, a connecting arm and an expanding mechanism; the center of the left side of the handle is fixedly connected with a connecting arm, and the center of the interior of the handle is provided with a driving mechanism; the expansion mechanism is arranged outside the connecting arm, and the right side of the expansion mechanism is connected with the left side of the driving mechanism; the right side of the protection mechanism is connected with the left side of the handle, and the inside of the left side of the protection mechanism is connected with the outside of the expansion mechanism.
Preferably, the specific structure of the driving mechanism comprises a motor, a sliding hole cavity, a sliding block, a first spring, a connecting block, a connecting rod, a screw rod and a guide hole; the motor is fixedly connected in the middle of the right side of the handle; the sliding hole cavity is arranged in the center of the handle, and a plurality of transverse guide holes are formed in the periphery of the left side of the sliding hole cavity; the screw is movably connected to the center of the sliding hole cavity, and the center of the right side of the screw is fixedly connected with the left output shaft of the motor; the outside of the sliding block is transversely and movably connected to the right side of the sliding hole cavity, and a threaded hole arranged in the center of the sliding block is connected with the screw rod; the connecting block is positioned at the left side of the sliding block, the outer part of the connecting block is transversely and movably connected inside the sliding hole cavity, and a first spring is arranged between the right side surface of the connecting block and the left side surface of the sliding block; the connecting rods are respectively and transversely movably connected inside the corresponding guide holes, the right side end parts of the connecting rods are fixedly connected with the left sides of the connecting blocks, and the left side end parts of the connecting rods are connected with the right sides of the expansion mechanisms.
Preferably, the motor is a direct current motor.
Preferably, the specific structure of the protection mechanism comprises an elastic sleeve, a clamping sleeve, a movable sleeve seat, a tension spring, a blind hole and a breathing hole; the inside of the movable sleeve seat is movably connected with the outside of the left side of the handle, and a plurality of breathing holes are formed in the periphery of the movable sleeve seat; the inside of the elastic sleeve is connected with the outside of the expansion mechanism, and the opening on the right side of the elastic sleeve is clamped on the outer circular surface of the movable sleeve seat through the clamping sleeve; the blind holes are transversely formed and are respectively and uniformly formed on the left step surface of the handle, and the blind holes are connected with the right side surface of the movable sleeve seat through tension springs.
Preferably, anti-skid patterns are arranged on the inner wall of the clamping sleeve and the outer circular surface of the movable sleeve seat.
Preferably, the specific structure of the expansion mechanism comprises a first support, a first connecting rod, a second support, a second connecting rod, an expansion arm, a second connecting groove, a first connecting groove, a second spring, a third support, a third connecting rod, a third connecting groove and a sliding sleeve body; the plurality of expansion arms are sequentially and fixedly connected with a second support, a first support and a third support from left to right on the inner sides of the plurality of expansion arms; the second connecting grooves are respectively and uniformly formed on the periphery of the left outer part of the connecting arm; the first connecting grooves are respectively positioned on the right sides of the corresponding second connecting grooves, and the first connecting grooves are respectively and uniformly arranged on the periphery of the outer part of the connecting arm; the first connecting rods are hinged with the corresponding first supports, and the other sides of the first connecting rods are movably connected with the left sides of the corresponding first connecting grooves; the plurality of connecting rods are respectively parallel to the corresponding first connecting rods, one sides of the plurality of second connecting rods are respectively hinged with the corresponding first supports, and the other sides of the plurality of second connecting rods are respectively movably connected with the left sides of the corresponding second connecting grooves; the inside of the sliding sleeve body is transversely connected with the outside of the right side of the connecting arm, a plurality of connecting grooves III are formed in the periphery of the outside of the sliding sleeve body, and a spring II is arranged between the left side surface of the sliding sleeve body and the central step surface of the connecting arm; the three connecting rods are hinged with the corresponding supports, and the other sides of the three connecting rods are movably connected with the right sides of the corresponding connecting grooves.
Preferably, the left side of the expansion arm is arc-shaped.
Preferably, an anti-skid sleeve is arranged on the outer surface of the handle.
The invention has the beneficial effects that:
(1) The invention has the advantages of reasonable and simple structure, low production cost, convenient installation and complete functions, and the parallel four-bar structure formed by the first connecting bar, the second connecting bar, the expansion arms and the like not only ensures that all the expansion arms can be opened outwards in parallel, but also improves the opening range.
(2) The protective mechanism provided by the invention can fully wrap the expansion mechanism through the elastic sleeve, so that the expansion arm is ensured not to cause discomfort of puerpera in the opening process, and in addition, the infection caused by the entry of pollutants into the cervix is avoided.
(3) The first spring arranged in the driving mechanism ensures a certain buffer in the expansion process, thereby avoiding the discomfort of puerpera or the injury of cervix caused by direct hard expansion.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the driving mechanism.
Fig. 3 is a schematic structural view of the protection mechanism.
Fig. 4 is a schematic structural view of the expansion mechanism.
1-a handle; 2-a driving mechanism; 3-a protection mechanism; 4-connecting arms; 5-an expansion mechanism; 21-an electric motor; 22-a runner cavity; 23-sliding blocks; 24-spring one; 25-connecting blocks; 26-connecting rods; 27-a screw; 28-guide holes; 31-elastic sleeve; 32-cutting ferrule; 33-a movable sleeve seat; 34-a tension spring; 35-blind holes; 36-breathing holes; 51-a first support; 52-a first connecting rod; 53-second support; 54-a second connecting rod; 55-dilating arms; 56-connecting groove II; 57-connecting groove I; 58-spring II; 59-a third support; 510-connecting rod III; 511-connecting groove three; 512-sliding sleeve body.
Detailed Description
Example 1
As shown in fig. 1, the present embodiment adopts the following technical scheme: the cervical dilation device for obstetrics and gynecology clinic comprises a handle 1, a driving mechanism 2, a protection mechanism 3, a connecting arm 4 and a dilation mechanism 5; the center of the left side of the handle 1 is fixedly connected with a connecting arm 4, and the center of the inside of the handle 1 is provided with a driving mechanism 2; the expansion mechanism 5 is arranged outside the connecting arm 4, and the right side of the expansion mechanism 5 is connected with the left side of the driving mechanism 2; the right side of the protection mechanism 3 is connected with the left side of the handle 1, and the left side of the protection mechanism 3 is connected with the outside of the expansion mechanism 5.
Example 2
As shown in fig. 1, the present embodiment adopts the following technical scheme: the cervical dilation device for obstetrics and gynecology clinic comprises a handle 1, a driving mechanism 2, a protection mechanism 3, a connecting arm 4 and a dilation mechanism 5; the center of the left side of the handle 1 is fixedly connected with a connecting arm 4, and the center of the inside of the handle 1 is provided with a driving mechanism 2; the expansion mechanism 5 is arranged outside the connecting arm 4, and the right side of the expansion mechanism 5 is connected with the left side of the driving mechanism 2; the right side of the protection mechanism 3 is connected with the left side of the handle 1, and the left side of the protection mechanism 3 is connected with the outside of the expansion mechanism 5.
As shown in fig. 2, the specific structure of the driving mechanism 2 includes a motor 21, a sliding hole cavity 22, a sliding block 23, a first spring 24, a connecting block 25, a connecting rod 26, a screw 27 and a guide hole 28; the motor 21 is fixedly connected inside the right center of the handle 1; the sliding hole cavity 22 is arranged in the center of the handle 1, and a plurality of transverse guide holes 28 are formed in the periphery of the left side of the sliding hole cavity 22; the screw 27 is movably connected to the center of the sliding hole cavity 22, and the center of the right side of the screw 27 is fixedly connected with the left output shaft of the motor 21; the outside of the sliding block 23 is transversely and movably connected to the right side of the sliding hole cavity 22, and a threaded hole arranged in the center of the sliding block 23 is connected with a screw rod 27; the connecting block 25 is positioned at the left side of the sliding block 23, the outside of the connecting block 25 is transversely and movably connected inside the sliding hole cavity 22, and a first spring 24 is arranged between the right side surface of the connecting block 25 and the left side surface of the sliding block 23; the connecting rods 26 are several, the several connecting rods 26 are respectively and transversely movably connected in the corresponding guide holes 28, the right side ends of the several connecting rods 26 are fixedly connected with the left side of the connecting block 25, and the left side ends of the several connecting rods 26 are connected with the right side of the expansion mechanism 5.
Wherein the motor 21 is a direct current motor.
As shown in fig. 3, the specific structure of the protection mechanism 3 includes an elastic sleeve 31, a clamping sleeve 32, a movable sleeve seat 33, a tension spring 34, a blind hole 35 and a breathing hole 36; the inside of the movable sleeve seat 33 is movably connected to the outside of the left side of the handle 1, and a plurality of breathing holes 36 are formed around the movable sleeve seat 33; the inside of the elastic sleeve 31 is connected with the outside of the expansion mechanism 5, and the opening on the right side of the elastic sleeve 31 is clamped on the outer circular surface of the movable sleeve seat 33 through the clamping sleeve 32; the blind holes 35 are several, the blind holes 35 are all transversely arranged and are respectively and uniformly arranged on the left step surface of the handle 1, and the blind holes 35 are all connected with the right side surface of the movable sleeve seat 33 through the tension springs 34.
The inner wall of the clamping sleeve 32 and the outer circumferential surface of the movable sleeve seat 33 are provided with anti-slip patterns, so that the stability and reliability of the elastic sleeve 31 during clamping are improved.
Example 3
As shown in fig. 1, the present embodiment adopts the following technical scheme: the cervical dilation device for obstetrics and gynecology clinic comprises a handle 1, a driving mechanism 2, a protection mechanism 3, a connecting arm 4 and a dilation mechanism 5; the center of the left side of the handle 1 is fixedly connected with a connecting arm 4, and the center of the inside of the handle 1 is provided with a driving mechanism 2; the expansion mechanism 5 is arranged outside the connecting arm 4, and the right side of the expansion mechanism 5 is connected with the left side of the driving mechanism 2; the right side of the protection mechanism 3 is connected with the left side of the handle 1, and the left side of the protection mechanism 3 is connected with the outside of the expansion mechanism 5.
As shown in fig. 2, the specific structure of the driving mechanism 2 includes a motor 21, a sliding hole cavity 22, a sliding block 23, a first spring 24, a connecting block 25, a connecting rod 26, a screw 27 and a guide hole 28; the motor 21 is fixedly connected inside the right center of the handle 1; the sliding hole cavity 22 is arranged in the center of the handle 1, and a plurality of transverse guide holes 28 are formed in the periphery of the left side of the sliding hole cavity 22; the screw 27 is movably connected to the center of the sliding hole cavity 22, and the center of the right side of the screw 27 is fixedly connected with the left output shaft of the motor 21; the outside of the sliding block 23 is transversely and movably connected to the right side of the sliding hole cavity 22, and a threaded hole arranged in the center of the sliding block 23 is connected with a screw rod 27; the connecting block 25 is positioned at the left side of the sliding block 23, the outside of the connecting block 25 is transversely and movably connected inside the sliding hole cavity 22, and a first spring 24 is arranged between the right side surface of the connecting block 25 and the left side surface of the sliding block 23; the connecting rods 26 are several, the several connecting rods 26 are respectively and transversely movably connected in the corresponding guide holes 28, the right side ends of the several connecting rods 26 are fixedly connected with the left side of the connecting block 25, and the left side ends of the several connecting rods 26 are connected with the right side of the expansion mechanism 5.
Wherein the motor 21 is a direct current motor.
As shown in fig. 3, the specific structure of the protection mechanism 3 includes an elastic sleeve 31, a clamping sleeve 32, a movable sleeve seat 33, a tension spring 34, a blind hole 35 and a breathing hole 36; the inside of the movable sleeve seat 33 is movably connected to the outside of the left side of the handle 1, and a plurality of breathing holes 36 are formed around the movable sleeve seat 33; the inside of the elastic sleeve 31 is connected with the outside of the expansion mechanism 5, and the opening on the right side of the elastic sleeve 31 is clamped on the outer circular surface of the movable sleeve seat 33 through the clamping sleeve 32; the blind holes 35 are several, the blind holes 35 are all transversely arranged and are respectively and uniformly arranged on the left step surface of the handle 1, and the blind holes 35 are all connected with the right side surface of the movable sleeve seat 33 through the tension springs 34.
The inner wall of the clamping sleeve 32 and the outer circumferential surface of the movable sleeve seat 33 are provided with anti-slip patterns, so that the stability and reliability of the elastic sleeve 31 during clamping are improved.
As shown in fig. 4, the specific structure of the expansion mechanism 5 includes a first support 51, a first link 52, a second support 53, a second link 54, an expansion arm 55, a second connection slot 56, a first connection slot 57, a second spring 58, a third support 59, a third link 510, a third connection slot 511, and a sliding sleeve 512; the plurality of expansion arms 55 are fixedly connected with a second support 53, a first support 51 and a third support 59 in sequence from left to right on the inner sides of the plurality of expansion arms 55; the second connecting grooves 56 are formed in a plurality, and the second connecting grooves 56 are uniformly formed in the periphery of the left outer part of the connecting arm 4 respectively; the first connecting grooves 57 are formed in a plurality, the first connecting grooves 57 are respectively positioned on the right sides of the corresponding second connecting grooves 56, and the first connecting grooves 57 are respectively and uniformly formed around the outer part of the connecting arm 4; one side of each connecting rod I52 is hinged with the corresponding support I51, and the other side of each connecting rod I52 is movably connected with the left side of the corresponding connecting groove I57; the plurality of second connecting rods 54 are respectively parallel to the corresponding first connecting rods 52, one sides of the plurality of second connecting rods 54 are respectively hinged with the corresponding first supports 51, and the other sides of the plurality of second connecting rods 54 are respectively movably connected with the left sides of the corresponding second connecting grooves 56; the inside of the sliding sleeve body 512 is transversely connected to the outside of the right side of the connecting arm 4, a plurality of connecting grooves III 511 are formed around the outside of the sliding sleeve body 512, and a spring II 58 is arranged between the left side surface of the sliding sleeve body 512 and the central step surface of the connecting arm 4; the three connecting rods 510 are several, one side of each connecting rod 510 is hinged with the corresponding support three 59, and the other side of each connecting rod 510 is movably connected with the right side of the corresponding connecting groove three 511.
Wherein the left side of the expansion arm 55 is arc-shaped, thereby facilitating insertion into the cervix; an anti-slip cover is arranged on the outer surface of the handle 1, so that the stability during operation is ensured.
The use state of the invention is as follows: the invention has the advantages of reasonable and simple structure, low production cost and convenient installation and complete functions, when the invention is used, firstly, the handle 1 is held by hand to insert the expansion mechanism 5 into the cervix, then the motor 21 is started to drive the screw 27 to rotate, the rotation of the screw 27 enables the sliding block 23 to move left, the sliding block 23 moves left to push the connecting block 25 and the connecting rod 26 to move left through the first spring 24, the sliding sleeve body 512 moves left to move left, the sliding sleeve body 512 moves left to open the expansion arm 55 to the outside through the third connecting rod 510, the parallel four-bar structure consisting of the first connecting rod 52, the second connecting rod 54, the expansion arm 55 and the like ensures that all the expansion arms 55 can be opened to the outside in parallel, the opening range is also improved, and the arranged protection mechanism 3 can fully wrap the expansion mechanism 5 through the elastic sleeve 31, so that the expansion arms 55 can not cause discomfort of a puerpera in the opening process, in addition, the first spring 24 arranged in the driving mechanism 2 is prevented from entering the cervix to cause infection, so that the puerpera is prevented from being directly injured by the expansion process, and the puerpera is prevented from being directly hard to cause injury.
The control mode of the invention is controlled by manual starting or by the existing automation technology, the wiring diagram of the power element and the supply of the power source are common knowledge in the field, and the invention is mainly used for protecting the mechanical device, so the invention does not explain the control mode and the wiring arrangement in detail.
In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
While the basic principles and main features of the present invention and advantages of the present invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims and their equivalents.
Claims (1)
1. A cervical dilation device for obstetrics and gynecology clinic, which is characterized in that: comprises a handle (1), a driving mechanism (2), a protection mechanism (3), a connecting arm (4) and an expansion mechanism (5);
the center of the left side of the handle (1) is fixedly connected with a connecting arm (4), and the center of the inside of the handle (1) is provided with a driving mechanism (2);
the expansion mechanism (5) is arranged outside the connecting arm (4), and the right side of the expansion mechanism (5) is connected with the left side of the driving mechanism (2);
the right side of the protection mechanism (3) is connected with the left side of the handle (1), and the inside of the left side of the protection mechanism (3) is connected with the outside of the expansion mechanism (5);
the specific structure of the driving mechanism (2) comprises a motor (21), a sliding hole cavity (22), a sliding block (23), a first spring (24), a connecting block (25), a connecting rod (26), a screw rod (27) and a guide hole (28);
the motor (21) is fixedly connected in the middle of the right side of the handle (1);
the sliding hole cavity (22) is arranged in the center of the handle (1), and a plurality of transverse guide holes (28) are formed in the periphery of the left side of the sliding hole cavity (22);
the screw rod (27) is movably connected to the center of the sliding hole cavity (22), and the right center of the screw rod (27) is fixedly connected with the left output shaft of the motor (21);
the outside of the sliding block (23) is transversely and movably connected to the right side of the sliding hole cavity (22), and a threaded hole arranged in the center of the sliding block (23) is connected with a screw rod (27);
the connecting block (25) is positioned at the left side of the sliding block (23), the outside of the connecting block (25) is transversely and movably connected inside the sliding hole cavity (22), and a first spring (24) is arranged between the right side surface of the connecting block (25) and the left side surface of the sliding block (23);
the connecting rods (26) are respectively and transversely movably connected inside corresponding guide holes (28), the right side ends of the connecting rods (26) are fixedly connected with the left sides of the connecting blocks (25), and the left side ends of the connecting rods (26) are connected with the right sides of the expansion mechanisms (5);
the specific structure of the protection mechanism (3) comprises an elastic sleeve (31), a clamping sleeve (32), a movable sleeve seat (33), a tension spring (34), a blind hole (35) and a breathing hole (36);
the inside of the movable sleeve seat (33) is movably connected to the outside of the left side of the handle (1), and a plurality of breathing holes (36) are formed in the periphery of the movable sleeve seat (33);
the inside of the elastic sleeve (31) is connected with the outside of the expansion mechanism (5), and an opening at the right side of the elastic sleeve (31) is clamped on the outer circular surface of the movable sleeve seat (33) through the clamping sleeve (32);
the plurality of blind holes (35) are transversely arranged, the plurality of blind holes (35) are respectively and uniformly formed on the left step surface of the handle (1), and the plurality of blind holes (35) are connected with the right side surface of the movable sleeve seat (33) through tension springs (34);
the specific structure of the expansion mechanism (5) comprises a first support (51), a first connecting rod (52), a second support (53), a second connecting rod (54), an expansion arm (55), a second connecting groove (56), a first connecting groove (57), a second spring (58), a third support (59), a third connecting rod (510), a third connecting groove (511) and a sliding sleeve body (512);
the number of the expansion arms (55) is several, and the upper surfaces of the inner sides of the expansion arms (55) are fixedly connected with a second support (53), a first support (51) and a third support (59) in sequence from left to right;
the second connecting grooves (56) are formed in a plurality, and the second connecting grooves (56) are uniformly formed in the periphery of the left outer part of the connecting arm (4) respectively;
the first connecting grooves (57) are respectively positioned on the right sides of the corresponding second connecting grooves (56), and the first connecting grooves (57) are respectively and uniformly arranged on the periphery of the outer part of the connecting arm (4);
the plurality of first connecting rods (52) are hinged with the corresponding first supports (51) respectively, and the other sides of the plurality of first connecting rods (52) are movably connected with the left sides of the corresponding first connecting grooves (57) respectively;
the plurality of connecting rods II (54) are respectively parallel to the corresponding connecting rods I (52), one sides of the plurality of connecting rods II (54) are respectively hinged with the corresponding supports I (51), and the other sides of the plurality of connecting rods II (54) are respectively movably connected with the left sides of the corresponding connecting grooves II (56);
the inside of the sliding sleeve body (512) is transversely connected to the outside of the right side of the connecting arm (4), a plurality of connecting grooves III (511) are formed in the periphery of the outside of the sliding sleeve body (512), and a spring II (58) is arranged between the left side face of the sliding sleeve body (512) and the central step face of the connecting arm (4);
the three connecting rods (510) are several, one sides of the three connecting rods (510) are respectively hinged with the corresponding three supporting seats (59), and the other sides of the three connecting rods (510) are respectively and movably connected with the right sides of the corresponding three connecting grooves (511);
the motor (21) is a direct current motor;
anti-skid patterns are arranged on the inner wall of the clamping sleeve (32) and the outer circular surface of the movable sleeve seat (33);
the left side of the expansion arm (55) is in an arc shape;
an anti-skid sleeve is arranged on the outer surface of the handle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210310855.9A CN114587454B (en) | 2022-03-28 | 2022-03-28 | Clinical cervical dilation device of using of gynaecology and obstetrics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210310855.9A CN114587454B (en) | 2022-03-28 | 2022-03-28 | Clinical cervical dilation device of using of gynaecology and obstetrics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114587454A CN114587454A (en) | 2022-06-07 |
| CN114587454B true CN114587454B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210310855.9A Active CN114587454B (en) | 2022-03-28 | 2022-03-28 | Clinical cervical dilation device of using of gynaecology and obstetrics |
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|---|---|
| CN (1) | CN114587454B (en) |
Citations (14)
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| CN114587454A (en) | 2022-06-07 |
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