CN108742800A - Cervical dilatation equipment - Google Patents
Cervical dilatation equipment Download PDFInfo
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- CN108742800A CN108742800A CN201810692708.6A CN201810692708A CN108742800A CN 108742800 A CN108742800 A CN 108742800A CN 201810692708 A CN201810692708 A CN 201810692708A CN 108742800 A CN108742800 A CN 108742800A
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- contact pin
- cervical
- channel
- uterine neck
- capsule
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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
-
- A61M1/0023—
-
- 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
- A61M29/02—Dilators made of swellable material
-
- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- 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
- A61B2017/4216—Operations on uterus, e.g. endometrium
- A61B2017/4225—Cervix uteri
-
- 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)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Surgery (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Reproductive Health (AREA)
- Pregnancy & Childbirth (AREA)
- Gynecology & Obstetrics (AREA)
- Vascular Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of cervical dilatation equipment, are related to the technical field of medical instrument, the cervical dilatation equipment, including：Cervical dilator and positive/negative-pressure generator, cervical dilator include uterine neck ingress pipe, dialatation of cervical os capsule and cervical dilatation capsule；The tail end of uterine neck ingress pipe is provided with connecting seat, and the front end of uterine neck ingress pipe is provided with medicine liquid outlet, and uterine neck ingress pipe is internally provided with first pipe, second pipe and third pipeline；Connecting seat includes first passage, second channel, third channel and fourth lane；First passage is connected to first pipe, and second channel is connected to second pipe, and third channel is connected to the inner tube of uterine neck ingress pipe, and the head end of uterine neck ingress pipe is provided with draining hole；Fourth lane is connected to third pipeline；Positive/negative-pressure generator includes water injecting mechanism, vacuum suction mechanism, chemicals-injection mechanism and connection plug, and the first contact pin, the second contact pin, third contact pin and the 4th contact pin are provided in connection plug.
Description
Technical field
The present invention relates to the technical fields of medical instrument, more particularly, to a kind of cervical dilatation equipment.
Background technology
It needs to use examination per vagina before tradition cervical dilatation technology cervix dilating now, understands uterus tendency.Probe verifies uterine cavity
Then depth expands item cervix dilating successively with metal.But metallic weapon is easy to damage uterine cavity and forms sinus because material is hard,
Even perforate.And because of Asherman's syndrom, cervical canal adhesion, uterus is crossed to incline to forming angle and frequently result in probe and is difficult to enter.
Invention content
It, can be to alleviate existing metal cervical dilator the purpose of the present invention is to provide a kind of cervical dilatation equipment
When use to patient take injury the technical issues of.
A kind of cervical dilatation equipment provided in an embodiment of the present invention, including：Cervical dilator and positive/negative-pressure generator, it is described
Cervical dilator includes uterine neck ingress pipe, dialatation of cervical os capsule and cervical dilatation capsule, the dialatation of cervical os capsule and cervical dilatation
Capsule is set in the outside of the uterine neck ingress pipe, and the dialatation of cervical os capsule relative to the cervical dilatation capsule closer to institute
The front end of uterine neck ingress pipe is stated, the dialatation of cervical os capsule is ellipsoid, and the cervical dilatation capsule is cylindric；
The tail end of the uterine neck ingress pipe is provided with connecting seat, and the front end of the uterine neck ingress pipe is provided with medicine liquid outlet,
The uterine neck ingress pipe is internally provided with first pipe, second pipe and third pipeline, and one end of the first pipe passes through institute
It states uterine neck ingress pipe to be connected to dialatation of cervical os capsule, the other end is connect with connecting seat；One end of the second pipe passes through described
Uterine neck ingress pipe is connected to cervical dilatation capsule, and the other end is connect with connecting seat；One end of the third pipeline connects with medicine liquid outlet
It connects, the other end is connect with connecting seat；The connecting seat includes first passage, second channel, third channel and fourth lane；
The first passage is connected to first pipe, and the first check valve is provided therebetween；The second channel with
Second pipe is connected to, and the second check valve is provided therebetween；The third channel is connected to the inner tube of uterine neck ingress pipe, and
The head end of the uterine neck ingress pipe is provided with draining hole；The fourth lane is connected to the third pipeline；
The positive/negative-pressure generator includes water injecting mechanism, vacuum suction mechanism, chemicals-injection mechanism and connection plug, the connection
The first contact pin, the second contact pin, third contact pin and the 4th contact pin are provided on plug, first contact pin and the second contact pin pass through three
Port valve is connect with the water injecting mechanism, so that the triple valve can control first contact pin or the second contact pin water spray, institute
Third contact pin is stated to connect with the vacuum suction mechanism；The chemicals-injection mechanism is connect with the 4th contact pin；
First contact pin, the second contact pin, third contact pin and the 4th contact pin relative position respectively with the first passage,
Relative position of the opening of second channel, third channel and fourth lane on connecting seat corresponds to so that the connection plug with
After the connecting seat grafting, first contact pin is inserted into the first passage, and second contact pin is inserted into described second
In channel, the third contact pin is inserted into the third channel, and the 4th contact pin is inserted into the fourth lane.
Further, the end surface side of the connecting seat is along outwardly extending annular seal ring is above provided with, so that the company
With after the connecting seat grafting, the annular seal ring is wrapped on the outside of the connection plug plug.
Further, the first cyclic annular receiving to the uterine neck ingress pipe inner recess is provided on the uterine neck ingress pipe
Section and the second cyclic annular accommodating section, the described first cyclic annular receiving portion is for accommodating the dialatation of cervical os capsule, the described second cyclic annular appearance
Section of receiving is for accommodating the cervical dilatation capsule.
Further, the connecting seat has elasticity, and the first passage, second channel, third channel and four-way
The internal diameter in road is respectively to should be less than the outer diameter of first contact pin, the second contact pin, third contact pin and the 4th contact pin, so that described
One contact pin, the second contact pin, third contact pin and the 4th contact pin be inserted respectively into the first passage, second channel, third channel and
After fourth lane, the first passage, second channel, third channel fourth lane inner wall respectively pack tightly described first insert
The outer wall of needle, the second contact pin, third contact pin and the 4th contact pin.
Further, the opening in the direction external world of the first passage, second channel, third channel and fourth lane is equal
It is provided with horn-like guide frame.
Further, the aperture position of the first passage, second channel, third channel and fourth lane is located at one
On a four trapezoidal vertex positions.
Further, the cervical dilator includes guiding seal wire, and one end of the guiding seal wire is provided with ball head structure,
The size of the ball head structure is more than the size of the draining hole, and the other end of the guiding seal wire is provided with push-pull ring, described
Guiding seal wire is used to after third channel insertion guide the trend of the uterine neck ingress pipe.
Further, the vacuum suction mechanism includes：Battery, motor, transmission component, piston, cylinder body and collection cups, institute
Battery is stated for providing electric energy to the motor, the piston is slidably connected in the cylinder body, and the piston and the cylinder
The inner surface of body forms plunger shaft；
The transmission component is connected between the output shaft and piston of the motor, so that the motor drives the piston
Make piston motion in the cylinder body；
The cylinder body includes the equal air inlet being connected to the plunger shaft and gas outlet, and the air inlet is provided with third
Check valve, so that the air inlet only allows air-flow to be flowed into from the external world into the plunger shaft；The gas outlet is provided with the 4th
Check valve, so that the gas outlet only allows air-flow outwardly to be flowed out from the plunger shaft；
The collection cups include cup body, and the first tube body and the second tube body being connect with cup body, first tube body with
The air inlet of the cylinder body connects, and second tube body is connect with the connection plug, so that after the motor starting, described the
Negative pressure is generated at the needle mouth of three contact pins.
Further, the transmission component includes eccentric wheel and connecting rod, and the eccentric wheel includes central shaft hole and eccentric rod
Portion, the central shaft hole of the eccentric wheel is for the output axis connection with the motor；
Described connecting rod one end and the eccentric bar portion are hinged, the other end and the piston hinge, so that the connecting rod drives
The piston is moved forward and backward along the cylinder body depth direction.
Further, the water injecting mechanism includes water tank and water pump, and the water pump is connect with water tank, the water outlet of the water pump
Mouth is connect with the triple valve, and the water pump is used to the water in water tank being input to the first contact pin or the second contact pin.
The embodiment of the present invention brings following advantageous effect：
Cervical dilatation equipment provided in an embodiment of the present invention, including：Cervical dilator and positive/negative-pressure generator, cervical dilatation
For device for being directly protruding into patient's uterine neck, positive/negative-pressure generator realizes the expansion to cervical canal for making cervical dilator expand.
The cervical dilator includes uterine neck ingress pipe, dialatation of cervical os capsule and cervical dilatation capsule, the dialatation of cervical os capsule and uterine neck
Expansion capsule is set in the outside of the uterine neck ingress pipe, and the dialatation of cervical os capsule is more leaned on relative to the cervical dilatation capsule
The front end of the nearly uterine neck ingress pipe, the dialatation of cervical os capsule are ellipsoid, and the cervical dilatation capsule is cylindric；The palace
The tail end of neck ingress pipe is provided with connecting seat, and the front end of the uterine neck ingress pipe is provided with medicine liquid outlet, the uterine neck ingress pipe
Be internally provided with first pipe, second pipe and third pipeline, one end of the first pipe pass through the uterine neck ingress pipe with
Dialatation of cervical os capsule is connected to, and the other end is connect with connecting seat；One end of the second pipe passes through the uterine neck ingress pipe and palace
Neck expands capsule connection, and the other end is connect with connecting seat, by carrying out water filling to first passage, dialatation of cervical os capsule can be made swollen
It is swollen, by carrying out water filling to second channel, cervical dilatation capsule can be made to expand.One end of the third pipeline connects with medicine liquid outlet
It connects, the other end is connect with connecting seat, and the connecting seat includes first passage, second channel, third channel and fourth lane；It is described
First passage is connected to first pipe, and the first check valve is provided therebetween；The second channel is connected to second pipe,
And the second check valve is provided therebetween；The third channel is connected to the inner tube of uterine neck ingress pipe, and the uterine neck imports
The head end of pipe is provided with draining hole；The fourth lane is connected to the third pipeline；The positive/negative-pressure generator includes water filling
Mechanism, vacuum suction mechanism, chemicals-injection mechanism and connection plug are provided with the first contact pin, the second contact pin, in the connection plug
Three contact pins and the 4th contact pin, first contact pin is connect by triple valve with the water injecting mechanism with the second contact pin, so that described
Triple valve can control first contact pin or the second contact pin water spray, the third contact pin connect with the vacuum suction mechanism
It connects；First contact pin, the second contact pin, third contact pin and the 4th contact pin relative position respectively with the first passage, second
Relative position of the opening in channel, third channel and fourth lane on connecting seat corresponds to so that the connection plug with it is described
After connecting seat grafting, first contact pin is inserted into the first passage, and second contact pin is inserted into the second channel
Interior, the third contact pin is inserted into the third channel, and the 4th contact pin is inserted into the fourth lane.The present invention is real
The process for using of cervical dilatation equipment for applying example offer is：1, uterine neck ingress pipe is extend into patient's body；2, by connecting seat with
Connection plug is docked；3, change triple valve, water injecting mechanism is made to be connected to the first contact pin, thus to the intracapsular water filling of the dialatation of cervical os,
Make its expansion；4, uterine neck ingress pipe is torn outward, the dialatation of cervical os capsule of expansion is made to be stuck at opening of the cervix；5, change triple valve,
Water injecting mechanism is set to be connected to the second contact pin, to the intracapsular water filling of cervical dilatation, make its expansion；6, when needing to intracervical useless
When object is excluded, vacuum suction mechanism can be opened, it is external to which waste be sucked out by the draining hole on uterine neck ingress pipe；
7, when needing to carry out conveying liquid to uterine neck, medicine is injected into uterine neck by the 4th contact pin and fourth lane using chemicals-injection mechanism
Liquid.
Cervical dilatation equipment advantage provided in an embodiment of the present invention includes：
1, patient's body is stretched into using uterine neck ingress pipe, tube body advances along the bending of patient's uterine neck to be stretched into, will not be to patient
Uterine neck causes to damage；
2, gradually uterine neck is expanded by way of water filling, stimulation of the slow and uniform expansion action to patient
It is smaller；
3, for having multiple stretched heads compared to traditional cervical dilator tail end, uterine neck provided in an embodiment of the present invention expands
Opening the external structure of the cervical dilator of equipment becomes more succinct, and connecting line is gathered in connecting seat, and doctor's one hand is held
It holds and facilitates cervical dilator, complete piping connection.
4, the connection type that connecting seat and connection plug are used between cervical dilator and positive/negative-pressure generator, by primary
Grafting just completes the connection of the two, and the interface on connecting seat is corresponding with the contact pin of connection plug, does not need to distinguish uterine neck expansion
Which interface is connect with dialatation of cervical os capsule on prop, which interface is connect with cervical dilatation capsule, simple and convenient；
5, the water filling to dialatation of cervical os capsule and cervical dilatation capsule can be completed using a water injecting mechanism and triple valve to move
Make, and in use, without plugging cervical dilator and positive/negative-pressure generator.
6, cervical dilatation equipment provided in an embodiment of the present invention can go out waste suction in patient body, increase work(
Energy.
7, cervical dilatation equipment provided in an embodiment of the present invention can carry out patient the injection of liquid, such as injecting anesthetic
Medicine increases its function.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is schematic diagram when cervical dilator is unexpanded in cervical dilatation equipment provided in an embodiment of the present invention；
Fig. 2 is schematic diagram when cervical dilator expands in cervical dilatation equipment provided in an embodiment of the present invention；
Fig. 3 is the internal structure schematic diagram of cervical dilator in cervical dilatation equipment provided in an embodiment of the present invention；
Fig. 4 is the partial enlarged view of location A in Fig. 3；
Fig. 5 is the schematic diagram of positive/negative-pressure generator in cervical dilatation equipment provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of connection plug in cervical dilatation equipment provided in an embodiment of the present invention.
Icon：110- uterine neck ingress pipes；111- first pipes；112- second pipes；113- third pipelines；120- opening of the cervix
Expand capsule；130- cervical dilatation capsules；140- connecting seats；141- first passages；142- second channels；143- third channels；144-
Fourth lane；145- annular seal rings；200- connection plugs；The first contact pins of 210-；The second contact pins of 220-；230- third contact pins；
The 4th contact pins of 240-；250- triple valves；300- guides seal wire；410- batteries；420- motors；430- transmission components；440- pistons；
450- cylinder bodies；460- collection cups；510- water tanks；520- water pumps；610- medicinal liquid bottles；620- spray pumps.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", "left", "right",
The orientation or positional relationship of "vertical", "horizontal", "inner", "outside" etc., instruction is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, such as there is art
Language " first ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two members
Connection inside part.For the ordinary skill in the art, it can understand above-mentioned term in the present invention with concrete condition
Concrete meaning.
As shown in Figure 1-Figure 3, cervical dilatation equipment provided in an embodiment of the present invention, including：Cervical dilator and positive/negative-pressure
Generator, cervical dilator for being directly protruding into patient's uterine neck, for making cervical dilator expand realize by positive/negative-pressure generator
Expansion to cervical canal.The cervical dilator includes uterine neck ingress pipe 110, dialatation of cervical os capsule 120 and cervical dilatation capsule
130, the dialatation of cervical os capsule 120 and cervical dilatation capsule 130 are set in the outside of the uterine neck ingress pipe 110, and described
Dialatation of cervical os capsule 120 is relative to the cervical dilatation capsule 130 closer to the front end of the uterine neck ingress pipe 110, the uterine neck
Mouth expansion capsule 120 is ellipsoid, and the cervical dilatation capsule 130 is cylindric；The tail end of the uterine neck ingress pipe 110 is provided with company
The front end of joint chair 140, the uterine neck ingress pipe 110 is provided with medicine liquid outlet, and the uterine neck ingress pipe 110 is internally provided with first
Pipeline 111, second pipe 112 and third pipeline 113, one end of the first pipe 111 pass through the uterine neck ingress pipe 110 with
Dialatation of cervical os capsule 120 is connected to, and the other end is connect with connecting seat 140；It is led across the uterine neck one end of the second pipe 112
Enter pipe 110 to be connected to cervical dilatation capsule 130, the other end is connect with connecting seat 140, can by carrying out water filling to first passage 141
So that dialatation of cervical os capsule 120 expands, by carrying out water filling to second channel 142, cervical dilatation capsule 130 can be made to expand；Institute
The one end for stating third pipeline 113 is connect with medicine liquid outlet, and the other end is connect with connecting seat.The connecting seat 140 includes first logical
Road 141, second channel 142, third channel 143 and fourth lane 144；The first passage 141 is connected to first pipe 111,
And the first check valve is provided therebetween；The second channel 142 is connected to second pipe 112, and is provided therebetween
Second check valve；The third channel 143 is connected to the inner tube of uterine neck ingress pipe 110, and the head end of the uterine neck ingress pipe 110
It is provided with draining hole；The fourth lane 144 is connected to the third pipeline 113；The positive/negative-pressure generator includes water injection machine
Structure, vacuum suction mechanism, chemicals-injection mechanism and connection plug 200 are provided with the first contact pin 210, second in the connection plug 200
Contact pin 220, third contact pin 230 and the 4th contact pin 240, first contact pin, 210 and second contact pin 220 by triple valve 250 with
The water injecting mechanism connection, so that the triple valve 250 can control first contact pin, 210 or second contact pin 220 water spray,
The third contact pin 230 is connect with the vacuum suction mechanism；First contact pin 210, the second contact pin 220, third contact pin 230
With the relative position of the 4th contact pin 240 respectively with the first passage 141, second channel 142, third channel 143 and four-way
Relative position of the opening in road 144 on connecting seat 140 corresponds to, so that the connection plug 200 and 140 grafting of the connecting seat
Afterwards, first contact pin 210 is inserted into the first passage 141, and second contact pin 220 is inserted into the second channel
In 142, the third contact pin 230 is inserted into the third channel 143, and the 4th contact pin 240 is inserted into the four-way
In road 144.The process for using of cervical dilatation equipment provided in an embodiment of the present invention is：1, uterine neck ingress pipe 110 is extend into trouble
In person's body；2, connecting seat 140 is docked with connection plug 200；3, change triple valve 250, make water injecting mechanism and the first contact pin 210
Connection makes its expansion to the water filling into dialatation of cervical os capsule 120；4, uterine neck ingress pipe 110 is torn outward, makes the palace of expansion
Eck expansion capsule 120 is stuck at opening of the cervix；5, change triple valve 250, water injecting mechanism is made to be connected to the second contact pin 220, thus to
Water filling in cervical dilatation capsule 130 makes its expansion；6, when needing to exclude intracervical waste, negative pressure suction can be opened
Draw mechanism, it is external to which waste be sucked out by the draining hole on uterine neck ingress pipe 110；7, when needing to carry out conveying medicine to uterine neck
When liquid, using chemicals-injection mechanism by the 4th contact pin 240 and fourth lane 144 liquid medicine injection into uterine neck.
Further, in order to increase the connectivity robustness of connecting seat 140 and connection plug 200, reduce connection plug 200 from
The end surface side edge of the probability fallen on connecting seat 140, the connecting seat 140 is above provided with outwardly extending annular seal ring 145,
So that the connection plug 200 is with after 140 grafting of the connecting seat, the annular seal ring 145 is wrapped in the connection plug
200 outsides.The material of ring type seal is also silica gel, and there is certain elasticity, the frictional force of itself inner surface also to compare
Greatly, the ring type seal being wrapped on 200 outer wall of connection plug can play stable connection function, be also possible to prevent connection and insert
First 200 relative to 140 run-off the straight of connecting seat.
In order to ensure cervical dilator to stretch into internal section fineness degree consistent, be provided on the uterine neck ingress pipe 110 to
The cyclic annular accommodating section of the first of 110 inner recess of uterine neck ingress pipe and the second cyclic annular accommodating section, the described first cyclic annular receiving portion
For accommodating the dialatation of cervical os capsule 120, the described second cyclic annular accommodating section is for accommodating the cervical dilatation capsule 130.Work as palace
When eck expands capsule 120 and cervical dilatation capsule 130 and be in unaerated state, the two is trapped in the first ring-type accommodating section and the respectively
In two cyclic annular accommodating sections, to ensure cervical dilator to stretch into internal section fineness degree consistent, to the thorn of patient's uterine neck when stretching into
Swash and reduce, and resistance smaller, it is easier to extend into vivo.
Further, the connecting seat 140 has elasticity, and the first passage 141, second channel 142, third channel
143 and fourth lane 144 internal diameter respectively to should be less than first contact pin 210, the second contact pin 220, third contact pin 230 and
The outer diameter of four contact pins 240, so that first contact pin 210, the second contact pin 220, third contact pin 230 and the 4th contact pin 240 difference
After being inserted into the first passage 141, second channel 142, third channel 143 and fourth lane 144, the first passage 141,
The inner wall of second channel 142, third channel 143 and fourth lane 144 respectively packs tightly first contact pin 210, the second contact pin
220, the outer wall of third contact pin 230 and the 4th contact pin 240.The material of connecting seat 140 can be silica gel, first passage 141, second
Channel 142, third channel 143 and fourth lane 144 are thinner, contact pin be inserted into after by first passage 141, second channel 142,
Third channel 143 and fourth lane 144 are expanded, and silica gel has elasticity, and contact pin is wrapped up, to which leakproofness is guaranteed, and
And it also connects connecting seat 140 and connection plug 200 and more stablizes.
As shown in figure 4, further, the first passage 141, second channel 142, third channel 143 and fourth lane
The opening in the 144 direction external world is both provided with horn-like guide frame.Wide opening is located on the end face of connecting seat 140, convenient
Contact pin is inserted into, and with the insertion of contact pin, horn-like guide frame can make connecting seat gradually by inside contact pin guiding channel
140 and connection plug 200 be more easily aligned connection.
Further, the opening position of the first passage 141, second channel 142, third channel 143 and fourth lane 144
It sets and is located at trapezoidal four vertex.Passway is arranged in trapezoidal shape, user is by intuitively observing, just
Connection plug 200 can be inserted on connecting seat 140, also, make the first contact pin 210, the second contact pin 220,230 and of third contact pin
4th contact pin 240 directly docks first passage 141, second channel 142, third channel 143 and fourth lane 144, is not in
The phenomenon that contact pin is with channel wrong plug.
Further, relatively soft because 110 material of uterine neck ingress pipe is silica gel, it may compare expense when being inserted into patient body
Power, so, cervical dilator includes guiding seal wire 300, and one end of the guiding seal wire 300 is provided with ball head structure, the ball
The size of header structure is more than the size of the draining hole, and ball head structure is withstood in the front inner wall of uterine neck ingress pipe 110, described to draw
The other end of seal wire 300 is provided with push-pull ring, and push-pull ring catches on push-pull ring in the outside of connecting seat 140, doctor, can be by palace
Neck ingress pipe 110 is pushed into patient body, and after uterine neck ingress pipe 110 moves in place, uterine neck ingress pipe 110 can be fixed,
Guiding seal wire 300 is pulled out.
As shown in Fig. 5-Fig. 6, further, the vacuum suction mechanism includes：Battery 410, motor 420, transmission component
430, piston 440, cylinder body 450 and collection cups 460, the battery 410 are used to provide electric energy, the piston to the motor 420
440 are slidably connected in the cylinder body 450, and the piston 440 and the inner surface of the cylinder body 450 form 440 chamber of piston；Institute
It states transmission component 430 to be connected between the output shaft of the motor 420 and piston 440, so that the motor 420 drives the work
Plug 440 makees the movement of piston 440 in the cylinder body 450, and the volume of 440 chamber of piston increases or reduces；The cylinder body 450 includes
The air inlet being connected to 440 chamber of the piston and gas outlet, and the air inlet is provided with third check valve so that it is described into
Gas port only allows air-flow to be flowed into from the external world to 440 intracavitary of the piston；The gas outlet is provided with the 4th check valve, so that described
Gas outlet only allows air-flow outwardly to be flowed out from 440 chamber of the piston, when piston 440 moves out, inlet charge, and suction sputum
Negative pressure is generated at pipe, and when piston 440 inwardly moves, the gas of 440 intracavitary of piston is discharged by gas outlet；The collection
Cup 460 includes cup body, and the first tube body and the second tube body being connect with cup body, first tube body and the cylinder body 450
Air inlet connects, and second tube body is connect with the connection plug 200, so that after the motor 420 starts, the third is inserted
Negative pressure is generated at the needle mouth of needle 230.It can be moved back and forth with piston 440 by the rotation of motor 420, in third
Negative pressure is generated at the suction inlet of contact pin 230, and the waste of patient's body is drawn into collection cups 460.
Specifically, the transmission component 430 includes eccentric wheel and connecting rod, the eccentric wheel includes central shaft hole and eccentric rod
Portion, the central shaft hole of the eccentric wheel is for the output axis connection with the motor 420；Described connecting rod one end and the eccentric rod
Portion is hinged, and the other end is hinged with the piston 440, so that the connecting rod drives the piston 440 along 450 depth side of the cylinder body
It moves forwards, backwards.Motor 420 is rotated with movable eccentric wheel, and eccentric bar portion is rotated around central shaft hole, is lived to be driven by connecting rod
Plug 440 moves forward and backward, and changes the volume of 440 chamber of piston.
Further, the water injecting mechanism includes water tank 510 and water pump 520, and the water pump 520 is connect with water tank 510, institute
The water outlet for stating water pump 520 is connect with the triple valve 250, and the water pump 520 is used to the water in water tank 510 being input to first
Contact pin 210 or the second contact pin 220.
Further, the chemicals-injection mechanism includes medicinal liquid bottle 610 and spray pump 620, the spray pump 620 and medicinal liquid bottle
610 connections, the medicine outlet of the spray pump 620 are connect with the 4th contact pin 240, and the spray pump 620 is used for will be in medicinal liquid bottle 610
Liquid be input to the 4th contact pin 240.
Cervical dilatation equipment advantage provided in an embodiment of the present invention includes：
1, patient's body is stretched into using uterine neck ingress pipe 110, tube body advances along the bending of patient's uterine neck to be stretched into, will not be to suffering from
Person's uterine neck causes to damage；
2, gradually uterine neck is expanded by way of water filling, stimulation of the slow and uniform expansion action to patient
It is smaller；
3, for having multiple stretched heads compared to traditional cervical dilator tail end, uterine neck provided in an embodiment of the present invention expands
Opening the external structure of the cervical dilator of equipment becomes more succinct, and connecting line is gathered in connecting seat 140, and doctor is singlehanded
Gripping facilitates cervical dilator, completes piping connection.
4, the connection type of connecting seat 140 and connection plug 200 is used between cervical dilator and positive/negative-pressure generator, is led to
The connection that a grafting just completes the two is crossed, and the interface on connecting seat 140 is corresponding with the contact pin of connection plug 200, nothing
Which interface on cervical dilator, which need to be distinguished, is connect with dialatation of cervical os capsule 120, which interface is connected with cervical dilatation capsule 130
It connects, it is simple and convenient；
5, it can be completed to dialatation of cervical os capsule 120 and cervical dilatation capsule 130 using a water injecting mechanism and triple valve 250
Water filling action, and in use, without plugging cervical dilator and positive/negative-pressure generator.
6, cervical dilatation equipment provided in an embodiment of the present invention can go out waste suction in patient body, increase work(
Energy.
7, cervical dilatation equipment provided in an embodiment of the present invention can carry out patient the injection of liquid, such as injecting anesthetic
Medicine increases its function.
Finally it should be noted that：Embodiment described above, only specific implementation mode of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of cervical dilatation equipment, which is characterized in that including：Cervical dilator and positive/negative-pressure generator, the cervical dilatation
Device includes uterine neck ingress pipe, dialatation of cervical os capsule and cervical dilatation capsule, and the dialatation of cervical os capsule and cervical dilatation capsule are arranged
In the outside of the uterine neck ingress pipe, and the dialatation of cervical os capsule is led relative to the cervical dilatation capsule closer to the uterine neck
Enter the front end of pipe, the dialatation of cervical os capsule is ellipsoid, and the cervical dilatation capsule is cylindric；
The tail end of the uterine neck ingress pipe is provided with connecting seat, and the front end of the uterine neck ingress pipe is provided with medicine liquid outlet, described
Uterine neck ingress pipe is internally provided with first pipe, second pipe and third pipeline, and one end of the first pipe passes through the palace
Neck ingress pipe is connected to dialatation of cervical os capsule, and the other end is connect with connecting seat；One end of the second pipe passes through the uterine neck
Ingress pipe is connected to cervical dilatation capsule, and the other end is connect with connecting seat；One end of the third pipeline is connect with medicine liquid outlet, separately
One end is connect with connecting seat；The connecting seat includes first passage, second channel, third channel and fourth lane；
The first passage is connected to first pipe, and the first check valve is provided therebetween；The second channel and second
Pipeline is connected to, and the second check valve is provided therebetween；The third channel is connected to the inner tube of uterine neck ingress pipe, and described
The head end of uterine neck ingress pipe is provided with draining hole；The fourth lane is connected to the third pipeline；
The positive/negative-pressure generator includes water injecting mechanism, vacuum suction mechanism, chemicals-injection mechanism and connection plug, the connection plug
On be provided with the first contact pin, the second contact pin, third contact pin and the 4th contact pin, first contact pin and the second contact pin pass through triple valve
It is connect with the water injecting mechanism, so that the triple valve can control first contact pin or the second contact pin water spray, described the
Three contact pins are connect with the vacuum suction mechanism；The chemicals-injection mechanism is connect with the 4th contact pin；
First contact pin, the second contact pin, third contact pin and the 4th contact pin relative position respectively with the first passage, second
Relative position of the opening in channel, third channel and fourth lane on connecting seat corresponds to so that the connection plug with it is described
After connecting seat grafting, first contact pin is inserted into the first passage, and second contact pin is inserted into the second channel
Interior, the third contact pin is inserted into the third channel, and the 4th contact pin is inserted into the fourth lane.
2. cervical dilatation equipment according to claim 1, which is characterized in that the end surface side edge of the connecting seat is above provided with
Outwardly extending annular seal ring, so that the connection plug is with after the connecting seat grafting, the annular seal ring is wrapped in
On the outside of the connection plug.
3. cervical dilatation equipment according to claim 1, which is characterized in that be provided with to described on the uterine neck ingress pipe
The cyclic annular accommodating section of the first of uterine neck ingress pipe inner recess and the second cyclic annular accommodating section, the described first cyclic annular receiving portion is for accommodating
The dialatation of cervical os capsule, the described second cyclic annular accommodating section is for accommodating the cervical dilatation capsule.
4. cervical dilatation equipment according to claim 1, which is characterized in that the connecting seat has elasticity, and described the
One channel, second channel, third channel and fourth lane internal diameter respectively to should be less than first contact pin, the second contact pin,
The outer diameter of three contact pins and the 4th contact pin, so that first contact pin, the second contact pin, third contact pin and the 4th contact pin are inserted respectively into
After the first passage, second channel, third channel and fourth lane, the first passage, second channel, third channel the 4th
The inner wall in channel respectively packs tightly the outer wall of first contact pin, the second contact pin, third contact pin and the 4th contact pin.
5. cervical dilatation equipment according to claim 4, which is characterized in that the first passage, second channel, third are logical
The opening in the direction of the road and fourth lane external world is both provided with horn-like guide frame.
6. cervical dilatation equipment according to claim 1, which is characterized in that the first passage, second channel, third are logical
Road and the aperture position of fourth lane are located on trapezoidal four vertex position.
7. cervical dilatation equipment according to claim 1, which is characterized in that the cervical dilator includes guiding seal wire,
One end of the guiding seal wire is provided with ball head structure, and the size of the ball head structure is more than the size of the draining hole, described
The other end of guiding seal wire is provided with push-pull ring, and the guiding seal wire is used to guide the uterine neck after third channel insertion
The trend of ingress pipe.
8. cervical dilatation equipment according to claim 1, which is characterized in that the vacuum suction mechanism includes：Battery, horse
It reaches, transmission component, piston, cylinder body and collection cups, the battery is used to provide electric energy to the motor, and the piston is slidably connected
In the cylinder body, and the inner surface of the piston and the cylinder body forms plunger shaft；
The transmission component is connected between the output shaft and piston of the motor, so that the motor drives the piston in institute
It states and makees piston motion in cylinder body；
The cylinder body includes the equal air inlet being connected to the plunger shaft and gas outlet, and to be provided with third unidirectional for the air inlet
Valve, so that the air inlet only allows air-flow to be flowed into from the external world into the plunger shaft；It is unidirectional that the gas outlet is provided with the 4th
Valve, so that the gas outlet only allows air-flow outwardly to be flowed out from the plunger shaft；
The collection cups include cup body, and the first tube body and the second tube body being connect with cup body, first tube body with it is described
The air inlet of cylinder body connects, and second tube body is connect with the connection plug, so that after the motor starting, the third is inserted
Negative pressure is generated at the needle mouth of needle.
9. cervical dilatation equipment according to claim 8, which is characterized in that the transmission component includes eccentric wheel and company
Bar, the eccentric wheel include central shaft hole and eccentric bar portion, and the central shaft hole of the eccentric wheel is for the output with the motor
Axis connection；
Described connecting rod one end and the eccentric bar portion are hinged, the other end and the piston hinge, so that described in connecting rod drive
Piston is moved forward and backward along the cylinder body depth direction.
10. cervical dilatation equipment according to claim 1, which is characterized in that the water injecting mechanism includes water tank and water pump,
The water pump is connect with water tank, and the water outlet of the water pump is connect with the triple valve, and the water pump is used for the water in water tank
It is input to the first contact pin or the second contact pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692708.6A CN108742800B (en) | 2018-06-26 | 2018-06-26 | Cervical dilation apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810692708.6A CN108742800B (en) | 2018-06-26 | 2018-06-26 | Cervical dilation apparatus |
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| CN108742800A true CN108742800A (en) | 2018-11-06 |
| CN108742800B CN108742800B (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810692708.6A Active CN108742800B (en) | 2018-06-26 | 2018-06-26 | Cervical dilation apparatus |
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|---|---|
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|---|---|---|---|---|
| CN109645951A (en) * | 2018-12-17 | 2019-04-19 | 付琳 | A kind of obstetrics and gynecology department rod for expanding cervix |
| CN109771806A (en) * | 2019-03-22 | 2019-05-21 | 西安交通大学医学院第一附属医院 | Gastroenterology esophagus feeding device |
| CN112704552A (en) * | 2021-01-07 | 2021-04-27 | 江西易通医疗器械有限公司 | Disposable cervical dilatation sacculus pipe |
| CN114904128A (en) * | 2022-05-16 | 2022-08-16 | 北京大学第三医院（北京大学第三临床医学院） | Cervical dilation and drug delivery system and use method |
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|---|---|
| CN108742800B (en) | 2020-03-24 |
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