CN104399176A - Novel sacculus cervical dilator - Google Patents
Novel sacculus cervical dilator Download PDFInfo
- Publication number
- CN104399176A CN104399176A CN201410726464.0A CN201410726464A CN104399176A CN 104399176 A CN104399176 A CN 104399176A CN 201410726464 A CN201410726464 A CN 201410726464A CN 104399176 A CN104399176 A CN 104399176A
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- Prior art keywords
- air valve
- cervical dilator
- chamber interface
- inflatable chamber
- swelling gasbag
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Abstract
The invention relates to a novel sacculus cervical dilator, which comprises a pipe and an inflatable air sac, and is characterized in that the head end of the pipe is provided with a guide head, and the guide head is hermetically connected to the head end of the pipe; a vent hole is formed in front end of the pipe adjacent to the guide head, the inflatable air sac is hermetically connected to the front end of the pipe, and the vent hole is positioned inside the inflatable air sac; a rod insertion cavity channel and an air inflation cavity channel are arranged inside the pipe, a pipe seat is provided with a port for an air inflation cavity and a port for a rod insertion cavity, the rod insertion cavity channel is communicated with the rod insertion cavity, and the air inflation cavity channel is communicated with the air inflation cavity; the vent hole is formed in the air inflation cavity channel at the front end of the pipe, and an air valve is arranged on the port of the air inflation cavity. The novel sacculus cervical dilator is simple in structure, reasonable in design, labor saving in operation and capable of effectively pinpointing and dilating cervical with small damage to a woman.
Description
Technical field
The present invention relates to a kind of cervical dilator, particularly relate to a kind of implementing when woman produces operation or childbirth by cervix dilating, ensure that operation smoothly or shortening labor, alleviate the novel sacculus cervical dilator of women's misery, it belongs to the medical instruments field of department of obstetrics and gynecology.
Background technology
The cervix uteri of women is positioned at bottom, uterus, and the cervical canal of adult female is about as 3CM, and the central authorities of cervix uteri are the slightly flat spindle shape tube chambers in front and back, form, also containing smooth muscle fiber, blood vessel and elastic fibers primarily of sheath.Obstetrics and gynecology operation as got ring, put ring, artificial abortion, the operation such as palace erasion time, when operating, because cervix uteri mouth is comparatively tight, so often cervix dilating mouth need be carried out with cervical dilator, to reach the object of operation.
In existing clinical technology, Chinese patent CN201220251974.3 discloses a kind of sacculus cervical dilator, it primarily of swelling gasbag and interlink therewith gas tube composition, inflatable interface is had in one end away from air bag of gas tube, this end is also connected with plug, this swelling gasbag is double-deck, and medial expansion air bag is positioned at lateral expansion air bag, and the swelling gasbag of gas tube and inner side interlinks.By injecting the mode of quantitative normal saline in gas tube, swelling gasbag is slowly strutted, thus make cervix uteri mouth spreading, because swelling gasbag is double-deck, strengthen balloon thickness, should not be clipped broken by operating forceps in use, but but there is following defect: one, need, by the hard such as vaginal dilator, operating forceps apparatus, dilator swelling gasbag is fed through cervix uteri mouth during operation, the damage of the tissues such as tract mucosa very easily occurs; Two, after expanding to swelling gasbag water filling, need to spin off plug, allow the water in capsule freely discharge, make to leave residual water in capsule, when extracting cervical dilator out, the residual water in capsule constantly can wade out and bring inconvenience; Particularly when accidentally expanding excessive by swelling gasbag when operating, do not shorten swelling gasbag into suitable expansion capacity by water extraction way; Three is without scale mark on gas tube, makes doctor be difficult to the exact depth confirming to insert; Four be expansion after swelling gasbag, because of the reinforcing without supporter, in the swelling gasbag indwelling stage yielding or slip and affect effect.
Summary of the invention
Technical problem to be solved by this invention to overcome in existing patented technology existing above-mentioned deficiency, and provide that a kind of structure is simple, reasonable in design, rapid operation, can effective location cervix dilating, little a kind of novel sacculus cervical dilator is damaged to women.
The present invention adopts technical scheme as follows: a kind of novel sacculus cervical dilator, comprises body and swelling gasbag, and the head end of described body is provided with top guide, and this top guide and body head end are tightly connected; Described body front end has venthole near the position at top guide place, and described swelling gasbag is sealedly attached to body front end, and described venthole is positioned at swelling gasbag inside; Body end is provided with air valve; Be provided with plunger tract and inflation tract in described body, described base is provided with inflatable chamber interface and plunger chamber interface, and described plunger tract is connected through with plunger chamber interface, and inflation tract is connected through with inflatable chamber interface; Described venthole is opened on the inflation tract of body front end; Described air valve is installed on inflatable chamber interface.The body head end of this dilator is sealing, inflation tract is communicated with swelling gasbag by venthole, plunger tract is not communicated with mutually with inflation tract, when swelling gasbag is delivered to uterus neck, inject air or normal saline through inflatable chamber interface, inflation tract to swelling gasbag by air valve, make swelling gasbag expansion spherical in shape, reach the effect of cervix dilating, and the expansion amount of capacity of swelling gasbag can be adjusted at any time, to meet the cervical dilation of women's individual difference.
As preferably, described sacculus cervical dilator also comprises locating bar or positioning guide wire, and locating bar or seal wire are made up of semi-rigid plastic or semi-rigid stainless steel material.During use, this locating bar or seal wire are inserted to putting in place in plunger tract in advance, easily swelling gasbag can be delivered to uterus neck, and indeformable supporting role after swelling gasbag expansion can be reinforced.
As preferably, described top guide is semielliptical shape.Effectively the front end exit of plunger tract and inflation tract can be closed, to limit the insertion depth of locating bar and to ensure the seal of gas or the normal saline injected, especially swelling gasbag front end integral shift is when the rear end of body top guide, the insertion of the more convenient sacculus cervical dilator of energy.
As preferably, the quantity of described inflatable chamber interface is one, the air valve installed be can screw-in monodirectional locking air valve or there is the Bidirectional Air Valve of bleed (water), inflation (water) function.Air valve can be designed to dismountable, selects as required in varied situations.
As preferably, the quantity of described inflatable chamber interface is two, and one of them inflatable chamber seam is provided with can the monodirectional locking air valve of screw-in, and another inflatable chamber interface is provided with the Bidirectional Air Valve with bleed (water), inflation (water) function.In use, one of them air valve can be chosen at random according to the speed requirement of cervical dilatation, and only have compared with an air valve, more flexibly and easily.
As preferably, it is 0-800ml that described swelling gasbag effectively expands capacity.Heap(ed) capacity can reach 800ml, it extends the expansion amount of capacity range of choice of swelling gasbag, expand the scope of application of novel sacculus dilator simultaneously, not being only applicable to the swelling gasbag expansion of uterus neck 300 below ml capacity, to stop blooding the expansion of jumbo swelling gasbag puerperal in the uterus being also applicable to more than 500ml.
As preferably, described body is marked with scale markings.These markings can facilitate the visual intubating length of sacculus cervical dilator of doctor and the location of swelling gasbag.
As preferably, described body, swelling gasbag, inflatable chamber interface and plunger chamber interface adopt the silastic material of high rigidity to make.The bright and clean softness of this silastic material, has fabulous biocompatibility and higher mechanical strength, extends the characteristics such as shrinkage factor is high.
As preferably, the tail end of described locating bar or positioning guide wire is provided with grip part, inserts to facilitate and takes out.
The present invention compared with prior art, has the following advantages:
1, inflation tract and plunger tract are independently arranged, air or normal saline is injected through inflatable chamber interface, inflation tract to swelling gasbag by air valve, make swelling gasbag expansion spherical in shape, reach the effect of cervix dilating, and the expansion amount of capacity of swelling gasbag can be adjusted at any time, to meet the cervical dilation of women's individual difference.
2, locating bar or positioning guide wire are inserted to putting in place in plunger tract in advance, easily swelling gasbag can be delivered to uterus neck, and indeformable supporting role after swelling gasbag expansion can be reinforced.
3, on two inflatable chamber interfaces respectively set can screw-in Non-return air valve and there is the Bidirectional Air Valve of bleed (water), inflation (water) function, in use, can choose at random according to the speed requirement of cervical dilatation, flexibly and easily, for women reduces the misery in childbirth or operation, also facilitate doctor to use simultaneously.
Accompanying drawing explanation
Fig. 1 is novel sacculus cervical dilator structural representation in the embodiment of the present invention one.
Fig. 2 is the A-A profile of Fig. 1 middle tube body.
Fig. 3 is the structural representation of locating bar in the embodiment of the present invention one.
Fig. 4 is the structural representation of novel sacculus cervical dilator in the embodiment of the present invention two.
Fig. 5 is the structural representation of novel sacculus cervical dilator in the embodiment of the present invention three.
Fig. 6 is the structural representation of positioning guide wire in the embodiment of the present invention three.
Fig. 7 is the another kind of structural representation of inflatable chamber interface in the embodiment of the present invention four.
In figure: 1-body, 11-top guide, 12-venthole, 13-plunger tract, 14-inflates tract, 15-inflatable chamber interface, 15-1-interface one, 15-2-interface two, 16-plunger chamber interface, 17-scale markings, 2-swelling gasbag, 3-locating bar, 31-grip part, 4-air valve, 5-positioning guide wire, 51-crotch structure, 6-air valve one, 7-air valve two, 8-inflatable chamber interface one, 9-inflatable chamber interface two.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the invention will be further described.
embodiment one.
See Fig. 1-Fig. 3, the present embodiment comprises body 1, swelling gasbag 2 and locating bar 3, and the head end of body is provided with top guide 11, and this top guide 11 is tightly connected with body 1 head end, and top guide 11 is solid semielliptical shape.Body 1 front end has two ventholes 12 near the position at top guide 11 place, and swelling gasbag 2 is sealedly attached to body 1 front end, and swelling gasbag 2 entirety is positioned at top guide 11 rear, to play good fixation.It is inner that venthole 12 is positioned at swelling gasbag 2.Plunger tract 13 and inflation tract 14 is provided with in body 1, body 2 end is provided with an inflatable chamber interface 15 and a plunger chamber interface 16, plunger tract 13 is connected through with plunger chamber interface 16, inflation tract 14 is connected through with inflatable chamber interface 15, and venthole 12 is opened on the inflation tract 14 of body 1 front end.Air valve 4 is installed on inflatable chamber interface 15.
Locating bar 3 tail end is provided with grip part 31, and locating bar 3 entirety is made up of semi-rigid plastic, also can make with semi-rigid stainless steel material.Body 1, swelling gasbag 2, inflatable chamber interface 15 and plunger chamber interface 16 adopt the silica gel material of high rigidity to make.During use, hold grip part 31 and locating bar 3 is inserted in plunger tract 13, this dilator is inserted and makes swelling gasbag 2 be placed in cervix uteri place.
Body 1 is marked with scale markings 17, these scale markings 17 by centimetre in units of indicate, facilitate the intubating length of the visual sacculus cervical dilator of doctor and the location of swelling gasbag 2.
Air valve 4 described in the present embodiment selects the Bidirectional Air Valve having and take out, inflate the function of (water), during use, can according to the period needs of cervical dilatation timeliness, timesharing is progressively expanded swelling gasbag 2 and is adjusted swelling gasbag 2 amount of capacity at any time, simultaneously, cervical dilatation complete need to extract dilator out time, by water extraction way, the water in swelling gasbag 2 capsule is pumped, is convenient to extract out and residual water can not to be expanded in air bag 2 capsule and be interrupted and flow out and produce contamination phenomenon.Air valve 4 is designed to dismountable, and also can be replaced with as required can the monodirectional locking air valve of screw-in, needs to select this air valve when fast aeration (water) or aerofluxus (water).
Swelling gasbag 2 effectively expansion heap(ed) capacity can reach 800ml, it extends the expansion amount of capacity range of choice of swelling gasbag, expand the scope of application of novel sacculus dilator simultaneously, be not only applicable to the swelling gasbag expansion of the following capacity of uterus neck 300ml, also be applicable to the jumbo swelling gasbag expansion of more than 500ml, for uterus hemostasis in puerperal simultaneously.
embodiment two.
See Fig. 4, be: swelling gasbag 2 is sealedly attached to body 1 front end that it is inner that top guide 11 is positioned at swelling gasbag 2 by the position change of the swelling gasbag 2 in embodiment one.All the other structures are constant.
embodiment three.
See Fig. 5-Fig. 6, the inflatable chamber interface 15 in embodiment two is made following change:
Inflatable chamber interface 15 sets up interface one 15-1 and interface two 15-2 separately, interface 15-1 is equipped with air valve 1, interface 15-2 is equipped with air valve 27, air valve 1 be can screw-in, the monodirectional locking air valve of detached type.When needs cervix dilating, can carry out inflating (water) and expanded swelling gasbag 2 by non-resistance after screwing on air valve 1; When needs take out dilator fast, screwing off air valve 1 can discharge the water in capsule instantaneously and take out dilator.The gas (water) in capsule can be extracted or be filled with to air valve 27, for only having, leading to the Bidirectional Air Valve of function, when needs regulate cervical dilatation size, out by air valve 27 at any time; When needs slowly take out dilator, the water in capsule can be extracted lentamente out by air valve 27 and take out dilator, and the residual water in capsule can be pumped in order to avoid output contamination phenomenon.Inflation (water) speed of air valve 1 is 4-6 times of air valve 27, and can arrange (gas) water instantaneously, and when checking or need Rapid Expansion in operation or take out dilator fast, use air valve 1 is fast very convenient.Air valve 27 due to its venting (water) or inflation (water) speed relatively slow, be suitable for regulate swelling gasbag expansion size time use.In actual production, the periphery of inflatable chamber interface 15 and plunger chamber interface 16 all can coated reinforcement material, increases its object that the is easy-to-use and life-span to play.
Locating bar 3 changes positioning guide wire 5 into, and positioning guide wire 5 tail end is provided with crotch structure 51, and positioning guide wire 5 entirety is made up of semi-rigid stainless steel material, also can make with semi-rigid plastic.During use, hold crotch structure 51 and positioning guide wire 5 is inserted in plunger tract 13, this dilator is inserted and makes swelling gasbag 2 be placed in cervix uteri place.All the other structures are all identical with enforcement two.
embodiment four.
See Fig. 7, the inflatable chamber interface inflating tract connection in embodiment two or three changes two inflatable chamber interfaces into, be respectively inflatable chamber interface 1 and inflatable chamber interface 29, inflatable chamber interface 1 is equipped with the air valve identical with air valve 1, inflatable chamber interface 29 is equipped with the air valve identical with air valve 27.Other structure is all identical with embodiment two.
By foregoing description, those skilled in the art can implement.
Above embodiment has made comparatively detailed description to the present invention, but these descriptions are not limitations of the present invention, namely invention is not limited to concrete structure and the description of above-described embodiment, combine implement as embodiment one also can set up interface structure separately with the inflatable chamber interface 15 in embodiment two, also locating bar 3 and positioning guide wire 5 can be carried out exchanging implementing.In a word, allly conceive according to the present invention the equivalence or simple change that described structure, shape and feature do, be included in the protection domain of patent of the present invention.
Claims (10)
1. a novel sacculus cervical dilator, comprises body and swelling gasbag, it is characterized in that: the head end of described body is provided with top guide, and this top guide and body head end are tightly connected; Described body front end has venthole near the position at top guide place, and described swelling gasbag is sealedly attached to body front end, and described venthole is positioned at swelling gasbag inside;
Be provided with plunger tract and inflation tract in described body, described base is provided with inflatable chamber interface and plunger chamber interface, and described plunger tract is connected through with plunger chamber interface, and inflation tract is connected through with inflatable chamber interface; Described venthole is opened on the inflation tract of body front end, and described air valve is installed on inflatable chamber interface.
2. novel sacculus cervical dilator according to claim 1, is characterized in that: described novel sacculus cervical dilator also comprises locating bar or positioning guide wire.
3. novel sacculus cervical dilator according to claim 2, is characterized in that: described locating bar or positioning guide wire are made up of semi-rigid plastic or semi-rigid stainless steel material.
4. novel sacculus cervical dilator according to claim 1 and 2, is characterized in that: described top guide is solid semielliptical shape.
5. novel sacculus cervical dilator according to claim 1 and 2, is characterized in that: the quantity of described inflatable chamber interface is one, and the air valve installed is monodirectional locking air valve or Bidirectional Air Valve.
6. novel sacculus cervical dilator according to claim 1 and 2, it is characterized in that: the quantity of described inflatable chamber interface is two, one of them inflatable chamber seam is provided with can the monodirectional locking air valve of screw-in, and another inflatable chamber interface is provided with Bidirectional Air Valve.
7. novel sacculus cervical dilator according to claim 1 and 2, is characterized in that: it is 0-800ml that described swelling gasbag effectively expands capacity.
8. novel sacculus cervical dilator according to claim 1 and 2, is characterized in that: described body is marked with scale markings.
9. novel sacculus cervical dilator according to claim 1 and 2, is characterized in that: described body, swelling gasbag, inflatable chamber interface and plunger chamber interface adopt the silastic material of high rigidity to make.
10. novel sacculus cervical dilator according to claim 3, is characterized in that: the tail end of described locating bar or positioning guide wire is provided with grip part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726464.0A CN104399176A (en) | 2014-12-04 | 2014-12-04 | Novel sacculus cervical dilator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410726464.0A CN104399176A (en) | 2014-12-04 | 2014-12-04 | Novel sacculus cervical dilator |
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| CN104399176A true CN104399176A (en) | 2015-03-11 |
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| CN201410726464.0A Pending CN104399176A (en) | 2014-12-04 | 2014-12-04 | Novel sacculus cervical dilator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105664339A (en) * | 2016-05-02 | 2016-06-15 | 王学建 | Double-channel supporting balloon |
| CN107174714A (en) * | 2017-06-08 | 2017-09-19 | 南京宏安医疗科技有限公司 | A kind of trachea cannula |
| RU177216U1 (en) * | 2016-04-22 | 2018-02-13 | Нинбо Грэйткеа Медикал Инструментс Ко., Лтд. | METRAYRINTER |
| CN108653934A (en) * | 2017-03-27 | 2018-10-16 | 武汉大学 | A kind of orientable rectum aerated rod |
| CN110141762A (en) * | 2019-06-17 | 2019-08-20 | 乌鲁木齐市妇幼保健院 | It is a kind of to prevent after Asherman's syndrom hysteroscope operation the Medical Devices and method of adhesion again |
| WO2021138707A1 (en) * | 2019-06-26 | 2021-07-15 | Multigate Medical Devices Pty Ltd | A device and method for inducing cervical dilation |
| CN114733049A (en) * | 2022-05-09 | 2022-07-12 | 中国人民解放军西部战区总医院 | Clinical gasbag formula cervical dilator that has protect function of gynaecology and obstetrics |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110141762A (en) * | 2019-06-17 | 2019-08-20 | 乌鲁木齐市妇幼保健院 | It is a kind of to prevent after Asherman's syndrom hysteroscope operation the Medical Devices and method of adhesion again |
| WO2021138707A1 (en) * | 2019-06-26 | 2021-07-15 | Multigate Medical Devices Pty Ltd | A device and method for inducing cervical dilation |
| CN114733049A (en) * | 2022-05-09 | 2022-07-12 | 中国人民解放军西部战区总医院 | Clinical gasbag formula cervical dilator that has protect function of gynaecology and obstetrics |
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Application publication date: 20150311 |