CN204410939U - Two sacculus cervical dilator - Google Patents
Two sacculus cervical dilator Download PDFInfo
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- CN204410939U CN204410939U CN201420834324.0U CN201420834324U CN204410939U CN 204410939 U CN204410939 U CN 204410939U CN 201420834324 U CN201420834324 U CN 201420834324U CN 204410939 U CN204410939 U CN 204410939U
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- capsule
- venthole
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- blister cavities
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Abstract
This utility model relates to a kind of two sacculus cervical dilator, and comprise body and air bag, the head end of described body is provided with top guide, and this top guide and body head end are tightly connected; Be provided with front blister cavities road and rear blister cavities road in body, on front blister cavities road before the position at top guide rear is provided with venthole, rear blister cavities road is provided with rear venthole and this rear venthole is positioned at the rear of front venthole; Described air bag has two, is respectively front capsule and rear capsule, and front capsule and rear capsule are all tightly connected with body and capsule is positioned at the rear of front capsule afterwards, and front venthole is positioned at front capsule and is communicated with front capsule, and rear venthole is positioned at rear capsule and is communicated with rear capsule; Body rear end is provided with base, and base place is provided with front capsule interface and rear capsule interface, and front capsule interface is communicated with front blister cavities road, and rear capsule interface is communicated with rear blister cavities road; Front capsule interface is equipped with front capsule air valve, rear capsule interface is equipped with rear capsule air valve.This utility model structure is simple, reasonable in design, can effective location cervix dilating, women is damaged little.
Description
Technical field
This utility model 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 two sacculus cervical dilators of women's misery, it belongs to the medical instruments field of department of obstetrics and gynecology.
Background technology
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.
Utility model content
Technical problem to be solved in the utility model to overcome in existing patented technology existing above-mentioned deficiency, and provide that a kind of structure is simple, reasonable in design, rapid operation, to women damage little, can effective location cervix dilating two sacculus cervical dilators of better fixation can be played.
This utility model adopts technical scheme as follows: a kind of two sacculus cervical dilator, and comprise body and air bag, it is characterized in that: the head end of described body is provided with top guide, this top guide and body head end are tightly connected; Be provided with front blister cavities road and rear blister cavities road in described body, described front blister cavities road is provided with front venthole near the position of top guide, rear blister cavities road is provided with rear venthole and this rear venthole is positioned at the rear of front venthole; Described air bag has two, is respectively front capsule and rear capsule, and front capsule and rear capsule are all tightly connected with body and capsule is positioned at the rear of front capsule afterwards, and described front venthole is positioned at front capsule and is communicated with front capsule, and described rear venthole is positioned at rear capsule and is communicated with rear capsule; Described body rear end is provided with base, and base place is provided with front capsule interface and rear capsule interface, and described front capsule interface is communicated with front blister cavities road, and rear capsule interface is communicated with rear blister cavities road; Described front capsule interface is equipped with front capsule air valve, rear capsule interface is equipped with rear capsule air valve.The body head end of this dilator is sealing, front blister cavities road is communicated with front capsule by front venthole, rear blister cavities road is communicated with rear capsule by rear venthole, front blister cavities road and rear blister cavities road are disconnected mutually, when front capsule is delivered to intrauterine, by the premenstrual capsule interface of front capsule air valve, front blister cavities road forward capsule injects air or normal saline, front capsule is expanded, with hands drawing-off body backward, front capsule is made to be fixed on uterus internal cervical os, move to prevent cervical dilator or skid off, then by rear capsule air valve through after capsule interface, rear blister cavities road capsule saline injection backward, rear capsule is expanded, reach the effect of cervix dilating, and the expansion amount of capacity of rear capsule can be adjusted at any time, to meet the cervical dilation of women's individual difference.
As preferably, be also provided with plugging wire tract in described body, described base is also provided with plugging wire interface, and described plugging wire interface is communicated with plugging wire tract; Be provided with mobilizable positioning guide wire in described plugging wire tract, positioning guide wire is made up of semi-rigid stainless steel material, and the tail end of this positioning guide wire is provided with grip part.During use, the top guide that positioning guide wire is inserted into plugging wire tract from plugging wire interface by the grip part holding positioning guide wire is inner, easily front capsule can be delivered to intrauterine position by positioning guide wire, and can play the supporting role after to rear capsule expansion.
As preferably, described plugging wire interface is equipped with fixed cover, to play reinforcement effect, increases the service life of plugging wire interface, be also convenient to the insertion of positioning guide wire.
As preferably, the longitudinal separation of described front venthole and rear venthole is 4 ~ 6cm.This distance size is that shape when expanding into heap(ed) capacity according to cervix uteri structure and front capsule and rear capsule is determined, to be in suitable position after making front capsule and rear capsule inflation (water) expand.
As preferably, described top guide is solid semielliptical shape.Effectively the front end exit of front blister cavities road, rear blister cavities road and plugging wire tract can be closed, to limit the insertion depth of seal wire and to ensure also to facilitate the insertion of cervical dilator by the seal of gas or the normal saline injected simultaneously.
As preferably, described front capsule air valve, rear capsule air valve are can the monodirectional locking air valve of screw-in or fixed Bidirectional Air Valve.Air valve both can be designed to fixed, also can be designed to dismountable, in use, can arbitrarily select monodirectional locking air valve or Bidirectional Air Valve according to the speed requirement of cervical dilatation.
As preferably, capacity effectively expanded by described front capsule is 0-100ml, and capacity effectively expanded by described rear capsule is 0-300ml, and described front capsule air valve is marked with title and the capacity of front capsule, and rear capsule air valve is marked with title and the capacity of rear capsule.The expansion capacity of front capsule can meet the effect of fixing cervical dilator and not easily movement, the expansion capacity of rear capsule can meet cervical dilatation needs when woman produces operation or gives a birth, air valve is marked with title and the capacity of front capsule and rear capsule, can greatly facilitate the proper use of of doctor.
As preferably, described body is marked with scale markings, and spherical in shape after described front capsule expansion, the shape after rear capsule expansion is oblate spheroid.Markings can facilitate the location of the intubating length of doctor's visual sacculus cervical dilator and front capsule, rear capsule, spherical in shapely after the expansion of front capsule be convenient to front capsule and play good fixation at cervix uteri mouth place, in oblate spheroid after rear capsule expansion, being to coordinate cervix uteri structure, making it not easily slide when cervix dilating thus making whole process of expansion more stable.
As preferably, described body, front capsule and rear capsule adopt silastic material 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.
This utility model compared with prior art, has the following advantages:
1, front capsule and be communicated with front blister cavities road, rear capsule with it and the rear blister cavities road that is communicated with it is independently arranged, by front capsule air valve premenstrual capsule interface, front blister cavities road capsule injection air or normal saline forward, make the expansion spherical in shape of front capsule, and by drawing-off body, make front capsule be fixed on uterus internal cervical os, move to prevent cervical dilator or skid off; By rear capsule air valve through after capsule interface, after blister cavities road capsule saline injection backward, rear capsule is expanded in oblate spheroid, reaches the effect of cervix dilating, and the expansion amount of capacity of rear capsule can be adjusted at any time, to meet the cervical dilation of women's individual difference.
2, positioning guide wire is inserted to putting in place in plugging wire tract in advance, easily front capsule can be delivered to internal cervical os place, uterus and fix, and can reinforce the supporting role after to rear capsule expansion, prevents rear capsule to be out of shape.
3, be set to can the monodirectional locking air valve of screw-in or fixed Bidirectional Air Valve for front capsule air valve, rear capsule air valve, in use, can choose at random, flexibly and easily according to the speed requirement of cervical dilatation.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 1.
Fig. 2 is the A-A profile of Fig. 1 middle tube body.
Fig. 3 is the structural representation of this utility model embodiment 2.
Fig. 4 is the B-B profile of Fig. 3 middle tube body.
Fig. 5 is the structural representation of positioning guide wire in this utility model embodiment 2.
Fig. 6 is the structural representation of this utility model embodiment 3.
Fig. 7 is the structural representation of this utility model embodiment 4.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail.
Embodiment 1.
See Fig. 1-Fig. 2, the present embodiment comprises body 1, front capsule 2 and rear capsule 3, front capsule 2 and rear capsule 3 are all tightly connected with body 1 and capsule 3 is positioned at the rear of front capsule 2 afterwards, front capsule 2 is expanded rear spherical in shape, rear capsule 3 is oblate spheroid after expanding, the head end of body 1 is provided with top guide 4, this top guide 4 is tightly connected with body 1 head end, and top guide 4 is solid semielliptical shape, the overall rear being positioned at top guide 4 after front capsule 2 is expanded to maximum volume; Front blister cavities road 11 and rear blister cavities road 12 is provided with in body 1, front venthole 5 to be arranged on front blister cavities road 11 and to be positioned at top guide 4 rear, front venthole 5 is positioned at front capsule 2 and is communicated with front capsule 2, rear blister cavities road 12 is provided with rear venthole 6 and this rear venthole 6 is positioned at the rear of front venthole 5, with the distance that the distance of front venthole 5 is in 4 ~ 6cm(and body 1 parallel direction), rear venthole 6 is positioned at rear capsule 3 and is communicated with rear capsule 3; Body 1 rear end is provided with base 7, and base 7 is punished two-way and is provided with front capsule interface 13 and rear capsule interface 14, and base plays the reinforcement effect to front capsule interface 13 and rear capsule interface 14.Front capsule interface 13 is communicated with front blister cavities road 11, and rear capsule interface 14 is communicated with rear blister cavities road 12, and front capsule interface 13 is equipped with front capsule air valve 8, and rear capsule interface 14 is equipped with rear capsule air valve 9.
Body 1 is marked with scale markings 15, these scale markings 15 by centimetre in units of indicate, facilitate the intubating length of doctor's this cervical dilator visual so that the location of front capsule 2, rear capsule 3.Body 1, front capsule 2, rear capsule 3 all adopt the silastic material of higher hardness to make.
Front capsule air valve 8 described in the present embodiment and rear capsule air valve 9 is optional takes out with having, the Bidirectional Air Valve of inflation (water) function, during use, air bag size required for front capsule 2 can carry out gas injection (or water) and the amount of capacity of the front capsule 2 of adjustment at any time, to ensure front capsule 2 fixing adaptability in uterus, and can according to the period needs of cervical dilatation timeliness, timesharing progressively expands rear capsule 3 and rear capsule 3 amount of capacity of adjustment at any time, simultaneously, cervical dilatation complete need extract out dilator time, by bleeding, the gas (or water) in front capsule 2 and rear capsule 3 pumps by (or water) mode, be convenient to extract out and residual water in front capsule 2 or rear capsule 3 capsule can not occur and be interrupted outflow and produce contamination phenomenon.Front capsule air valve 8 or rear capsule air valve 9 also can be replaced with as required can the monodirectional locking air valve of screw-in (detachable), monodirectional locking air valve is compared with Bidirectional Air Valve, moment aerofluxus (water) can be realized, aeration speed is also very fast, can select this air valve when needs Rapid Expansion or when taking out dilator fast.
Front capsule 2 effectively expansion heap(ed) capacity can reach 100ml, the fixation of cervical dilator can be met, rear capsule 3 effectively expansion heap(ed) capacity can reach 300ml, cervical dilatation needs when woman produces operation or gives a birth can be met, front capsule air valve is marked with title and the capacity of front capsule 2, rear capsule air valve is marked with title and the capacity of rear capsule 3, facilitates that doctor's is proper use of, avoids obscuring when using makeing mistakes.
During use, by front capsule air valve 8 premenstrual capsule interface 13, front blister cavities road 11 forward capsule 2 inject air or normal saline, make fixation balloon 2 expansion spherical in shape, with fixing cervical dilator; By rear capsule air valve 9 through after capsule interface 14, after blister cavities road 12 capsule 3 saline injection backward, make expanded balloon be oblate spheroid expand, with cervix dilating, by regulating front capsule air valve 8 to regulate front capsule 2 size, regulate rear capsule 3 size by regulating rear capsule air valve 9.
embodiment 2.
See Fig. 3-Fig. 5, in embodiment 1, in body 1 except being provided with front blister cavities road 11 and rear blister cavities road 12, also be provided with the plugging wire tract 16 of access positioning guide wire 10, the tail end of positioning guide wire 10 is provided with grip part 101, base 7 place has set up the plugging wire interface 17 corresponding with plugging wire tract 16, so that positioning guide wire 10 is inserted in plugging wire tract 16 from plugging wire interface 17, easily front capsule 2 can be delivered to internal cervical os place, uterus to fix, and the supporting role after rear capsule 3 is expanded can be strengthened, prevent rear capsule 3 to be out of shape.In order to increase the service life of plugging wire interface 17, plugging wire interface 17 can be provided with fixed cover 18, also facilitating the insertion of positioning guide wire 10 simultaneously.All the other structures are identical with embodiment 1.
Embodiment 3.
See Fig. 6, following change is made in the position of capsule 2 front in embodiment 1, front venthole 5 and rear venthole 6: synchronously moved forward the position of front capsule 2, front venthole 5 and rear venthole 6, capsule 2 before after expansion is all positioned to top guide 4 and front venthole 5, compared with being positioned at top guide 4 rear with capsule 2 entirety before in embodiment 1, avoid the discomfort caused because top guide 4 withstands uterus in operation.
All the other structures are constant.
Embodiment 4.
See Fig. 7, following change is made in capsule 2 front in embodiment 2, front venthole 5 and rear venthole 6 position: synchronously moved forward the position of front capsule 2, front venthole 5 and rear venthole 6, capsule 2 before after expansion is all positioned to top guide 4 and front venthole 5, compared with being positioned at top guide 4 rear with capsule 2 entirety before in embodiment 2, avoid the discomfort caused because top guide 4 withstands uterus in operation.
By foregoing description, those skilled in the art can implement.
Above embodiment has made comparatively detailed description to this utility model; but these descriptions are not to restriction of the present utility model; namely utility model is not limited to concrete structure and the description of above-described embodiment; all according to the equivalence done of structure, shape and feature described in this utility model design or simple change, be included in the protection domain of this utility model patent.
Claims (10)
1. a two sacculus cervical dilator, comprise body and air bag, it is characterized in that: the head end of described body is provided with top guide, this top guide and body head end are tightly connected; Be provided with front blister cavities road and rear blister cavities road in described body, on described front blister cavities road before the position at top guide rear is provided with venthole, rear blister cavities road is provided with rear venthole and this rear venthole is positioned at the rear of front venthole;
Described air bag has two, is respectively front capsule and rear capsule, and front capsule and rear capsule are all tightly connected with body and capsule is positioned at the rear of front capsule afterwards, and described front venthole is positioned at front capsule and is communicated with front capsule, and described rear venthole is positioned at rear capsule and is communicated with rear capsule;
Described body rear end is provided with base, and base place is provided with front capsule interface and rear capsule interface, and described front capsule interface is communicated with front blister cavities road, and rear capsule interface is communicated with rear blister cavities road; Described front capsule interface is equipped with front capsule air valve, rear capsule interface is equipped with rear capsule air valve.
2. according to claim 1 pair of sacculus cervical dilator, it is characterized in that: be also provided with plugging wire tract in described body, described base place is also provided with plugging wire interface, described plugging wire interface is communicated with plugging wire tract; Mobilizable positioning guide wire is provided with in described plugging wire tract.
3. according to claim 2 pair of sacculus cervical dilator, is characterized in that: described plugging wire interface is equipped with fixed cover.
4. according to claim 2 pair of sacculus cervical dilator, it is characterized in that: described positioning guide wire is made up of semi-rigid stainless steel material, and the tail end of this positioning guide wire is provided with grip part.
5. according to claim 1 pair of sacculus cervical dilator, is characterized in that: the longitudinal separation of described front venthole and rear venthole is 4 ~ 6cm.
6. according to claim 1 pair of sacculus cervical dilator, is characterized in that: described top guide is solid semielliptical shape.
7. according to claim 1 pair of sacculus cervical dilator, is characterized in that: described front capsule air valve, rear capsule air valve are can the monodirectional locking air valve of screw-in or fixed Bidirectional Air Valve.
8. the two sacculus cervical dilators according to any one of claim 1-7, it is characterized in that: capacity effectively expanded by described front capsule is 0-100ml, capacity effectively expanded by described rear capsule is 0-300ml, described front capsule air valve is marked with title and the capacity of front capsule, and rear capsule air valve is marked with title and the capacity of rear capsule.
9. the two sacculus cervical dilators according to any one of claim 1-7, is characterized in that: described body is marked with scale markings, spherical in shape after described front capsule expansion, in oblate spheroid after rear capsule expansion.
10. the two sacculus cervical dilators according to any one of claim 2-7, is characterized in that: described body, front capsule and rear capsule adopt silastic material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834324.0U CN204410939U (en) | 2014-12-25 | 2014-12-25 | Two sacculus cervical dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834324.0U CN204410939U (en) | 2014-12-25 | 2014-12-25 | Two sacculus cervical dilator |
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| Publication Number | Publication Date |
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| CN204410939U true CN204410939U (en) | 2015-06-24 |
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| CN201420834324.0U Active CN204410939U (en) | 2014-12-25 | 2014-12-25 | Two sacculus cervical dilator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105559868A (en) * | 2015-12-15 | 2016-05-11 | 宁波华科润生物科技有限公司 | Novel interspinous process fixing device |
| CN105854158A (en) * | 2016-05-02 | 2016-08-17 | 王学建 | Nasal three-cavity dilation and support balloon |
| CN107596537A (en) * | 2016-07-11 | 2018-01-19 | 富士系统株式会社 | Uterus foley's tube |
| CN115201480A (en) * | 2022-09-19 | 2022-10-18 | 中国人民解放军北部战区总医院 | Cervical cancer screening kit |
-
2014
- 2014-12-25 CN CN201420834324.0U patent/CN204410939U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105559868A (en) * | 2015-12-15 | 2016-05-11 | 宁波华科润生物科技有限公司 | Novel interspinous process fixing device |
| CN105559868B (en) * | 2015-12-15 | 2018-10-30 | 宁波华科润生物科技有限公司 | Fixed system between a kind of spinous process |
| CN105854158A (en) * | 2016-05-02 | 2016-08-17 | 王学建 | Nasal three-cavity dilation and support balloon |
| CN107596537A (en) * | 2016-07-11 | 2018-01-19 | 富士系统株式会社 | Uterus foley's tube |
| CN115201480A (en) * | 2022-09-19 | 2022-10-18 | 中国人民解放军北部战区总医院 | Cervical cancer screening kit |
| CN115201480B (en) * | 2022-09-19 | 2022-12-23 | 中国人民解放军北部战区总医院 | Cervical cancer screening kit |
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