CN104257418A - Cervical dilator - Google Patents
Cervical dilator Download PDFInfo
- Publication number
- CN104257418A CN104257418A CN201410533294.4A CN201410533294A CN104257418A CN 104257418 A CN104257418 A CN 104257418A CN 201410533294 A CN201410533294 A CN 201410533294A CN 104257418 A CN104257418 A CN 104257418A
- Authority
- CN
- China
- Prior art keywords
- sector
- fulcrum
- dilating
- extending frame
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Gynecology & Obstetrics (AREA)
- Pregnancy & Childbirth (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Reproductive Health (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Prostheses (AREA)
Abstract
The invention belongs to dilators and particularly relates to a cervical dilator. The cervical dilator comprises a dilating head, a dilating frame, an inner core, a connecting rod and bilateral side handles which are sequentially connected mutually; the rear end of the dilating head is connected with the dilating frame; the dilating head and the dilating frame are in circular hollow structures; the dilating frame comprises an upper portion fan-shaped side, a lower portion fan-shaped side and symmetrical dilating sheets on bilateral sides. According to the cervical dilator, the dilating effect is good, the utilization method which is similar to that of original pliers and scissors is convenient, a cervix uteri is externally opened through the dilating sheets, collecting and releasing functions of opening are achieved according to the principle of a fan-shaped shed-shaped support and in combination with matching of the inner core and the dilating frame through flexible hinged supporting points installed at support joints, cervical damage caused by normal dilation is avoided.
Description
Technical field
The invention belongs to dilator, be specifically related to a kind of cervical dilator.
Background technology
During a lot of operation on uterus, need to expand cervix uteri, often run into cervix uteri young, medical apparatus and instruments cannot insert in cervix uteri.Existing cervical dilator is the various bar type apparatuses that thickness does not wait, and needs repeated multiple times operation, allows have inotropic cervix uteri and be subject to extraneous compressing natural extension, very inconvenient; Another bar type dilator and cervix uteri inwall multiple-contact rub, and be easy to cause cervical lesions, and expansion effect are very poor.
Summary of the invention
Technical problem to be solved by this invention is: the deficiency existed for prior art, provides a kind of cervical dilator easy to use.
For realizing the object of the present invention, be achieved by the following technical solutions: cervical dilator, comprise interconnective expansion head successively, extending frame, inner core, connecting rod and two side handles, described expansion head rear end is connected with described extending frame, expansion head and extending frame are circular hollow structure, extending frame comprises top sector, bottom sector and monosymmetric expanding plate, the upper end of top sector is provided with two symmetrical fulcrums that are fixedly hinged, the lower end of top sector is provided with two and symmetrical is movably hinged fulcrum, the upper end of bottom sector is provided with two and symmetrical is movably hinged fulcrum, the lower end of bottom sector is provided with two symmetrical fulcrums that are fixedly hinged, described expanding plate is half arcuate structure, the fulcrum that is movably hinged being movably hinged fulcrum and bottom sector of the top sector of side is connected on this side expanding plate, the fulcrum that is movably hinged being movably hinged fulcrum and bottom sector of the top sector of opposite side is connected on opposite side expanding plate, the upper end of top sector is provided with activity adjustment face, activity adjustment face is flexible material, activity adjustment face is connected with the fulcrum that is fixedly hinged at sector two ends, top, the both sides, lower end of extending frame are connected to connecting rod, what connecting rod was connected to bottom sector is fixedly hinged on fulcrum, connecting rod connects described hands handle respectively, handle is equipped with press strip, two lateral layerings are symmetrical to be interconnected to intermediate, inclined and to be connected with an inner core in junction, inner core is in described expansion head and described extending frame, the other end head of inner core is provided with pusher head.
As preferably, the pusher head of described inner core is connected with the centre point in activity adjustment face all the time.
As preferably, the expanding plate described in two panels folds the outer ring of outer ring together and described extending frame on same arcwall face.
As preferably, described expansion head external diameter is less than the external diameter of described extending frame.
As preferably, described expansion head front end is provided with arc protection head.
Compared with prior art, the invention has the beneficial effects as follows: the expansion of this dilator is effective, using method and general pliers, shears are close, more convenient, expanding plate is utilized outwards to strut cervix uteri, by the principle of fan-shaped canopy shape support, in conjunction with the cooperation of inner core and extending frame, the fulcrum that is movably hinged utilizing rack joint to fill achieves the draw-in and draw-off function supportting and put, and avoids conventional expansion and causes cervical lesions.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structural representation that embodiment of the present invention handle 4 folds.
Detailed description of the invention
With reference to the accompanying drawings the specific embodiment of the present invention is made a detailed explanation below.
According to shown in Fig. 1 to Fig. 2, cervical dilator, comprise interconnective expansion successively 1, extending frame 2, connecting rod 3 and two side handles 4, described expansion 1 rear end is connected with described extending frame 2, expansion 1 and extending frame 2 are circular hollow structure, extending frame 2 comprises top sector 6, bottom sector 7 and monosymmetric expanding plate 8, the upper end of top sector 6 is provided with two symmetrical fulcrums 9 that are fixedly hinged, the lower end of top sector 6 is provided with two and symmetrical is movably hinged fulcrum 10, the upper end of bottom sector 7 is provided with two and symmetrical is movably hinged fulcrum 10, the lower end of bottom sector 7 is provided with two symmetrical fulcrums 9 that are fixedly hinged, described expanding plate 8 is half arcuate structure, the fulcrum 10 that is movably hinged being movably hinged fulcrum 10 and bottom sector 7 of the top sector 6 of side is connected on this side expanding plate 8, the fulcrum 10 that is movably hinged being movably hinged fulcrum 10 and bottom sector 7 of the top sector 6 of opposite side is connected on opposite side expanding plate 8, the upper end of top sector 6 is provided with activity adjustment face 11, activity adjustment face 11 is flexible material, activity adjustment face 11 is connected with the fulcrum 9 that is fixedly hinged at top sector 6 two ends, the both sides, lower end of extending frame 2 are connected to connecting rod 3, what connecting rod 3 was connected to bottom sector 7 is fixedly hinged on fulcrum 9, connecting rod 3 connects described handle 4 respectively, handle 4 is equipped with press strip 12, two lateral layering 12 symmetries are interconnected to intermediate, inclined and are connected with an inner core 13 in junction, inner core 13 is in described expansion 1 and described extending frame 2, the other end head of inner core 1 is provided with pusher head 14.The pusher head 14 of described inner core is connected with the centre point in activity adjustment face 11 all the time, and the expanding plate 8 described in two panels folds the outer ring of outer ring together and described extending frame 2 on same arcwall face.
Top sector 6 and bottom sector 7 respectively with the unfolding mode that be fixedly hinged fulcrum 9 and the connected mode that is movably hinged fulcrum 10 are existing umbrella or tent, be prior art, both sides outer edge one circle of expanding plate 8 is integuments of soft material, the outer ring that integument is only wrapped in single expanding plate 8 is not respectively interconnected, integument connects top sector 6 and bottom sector 7, also there is the protective layer of soft material the outer ring of top sector 6 and bottom sector 7, the centre of top sector 6 and bottom sector 7 has the broken line of gathering respectively gatherings many for flexibility material interior under rounding state, and the integument of both sides is drawn close mutually, under open mode, top sector 6 and bottom sector 7 are strutted completely, and as the state that tent or umbrella class are opened, and the integument of centre separates, the space communicated before and after intermediate formation one.
In use, first handle 4 is in separated position, and now the pusher head 14 of inner core 13 withstands on the centre point in activity adjustment face 11, and activity adjustment face 11 is states of an almost level.When dilator is inserted in cervix uteri, because described expansion 1 front end is provided with arc protection 5, so cervix uteri can not cause damage, more described expansion 1 external diameter is less than the external diameter of described extending frame 2, so just achieves primary expansion.When extending frame 2 is in cervix uteri inner wall outside, hands executes pressurized handgrip 4, and handle 4 folds, and press strip 12 is tightened up, and inner core 13 is by pull backward.Because the pusher head 14 of inner core 13 front end is connected with activity adjustment face 11 all the time, a little distortion can be caused for flexible material in activity adjustment face 11, but what simultaneously active force had acted on the top sector 6 being connected to both sides, activity adjustment face 11 is fixedly hinged on fulcrum 9, the fulcrum 9 that is fixedly hinged conduction gives and is movably hinged fulcrum 10, be movably hinged fulcrum 10 to be subject to power and outwards to strut, owing to being unconnected between two expanding plates 8, what two expanding plates 8 were connected to again both sides is movably hinged on fulcrum 10, so power allows expanding plate 8 strut to both sides, driven bottom sector 7 to be movably hinged fulcrum 10 stressed, until upper and lower two are movably hinged fulcrum 10 on same lateral surface.Inwall due to cervix uteri is the expansible of softness, and the power receiving expanding plate 8 will be compressed, and cervix uteri has just been easily inserted into the expanded.When needing dilator to regain, directly extract also passable, if but inserted dark, the inwall of cervix uteri head is not expanded, and directly extracts and can cause damage, so first will regain the outer ring of extending frame.Now only need to unclamp hands, the inwall of such cervix uteri has had the expanding plate 8 of necessarily a small amount of force compresses both sides, firmly strut laterally again, inner core 13 driven forward, due to the effect of restoring force, inner core 13 can exceed the centre point of certain force activity compression adjusting range 11, activity adjustment face 11 power is upwards allowed to conduct to the fulcrum 9 that is fixedly hinged of both sides like this, the fulcrum 9 that is fixedly hinged gives power conduction and is movably hinged fulcrum 10, coordinate both sides expanding plate 8 by the power of cervix uteri inwall again, be movably hinged fulcrum 10 and start inside recovery, the inner side returning to two panels expanding plate 8 connects, expanding plate 8 folds the outer ring of outer ring together and extending frame 2 on same arcwall face, now handle 4 is in separated position again, this completes a cervical dilatation.
Claims (6)
1. cervical dilator, it is characterized in that: comprise interconnective expansion head successively, extending frame, inner core, connecting rod and two side handles, described expansion head rear end is connected with described extending frame, expansion head and extending frame are circular hollow structure, extending frame comprises top sector, bottom sector and monosymmetric expanding plate, the upper end of top sector is provided with two symmetrical fulcrums that are fixedly hinged, the lower end of top sector is provided with two and symmetrical is movably hinged fulcrum, the upper end of bottom sector is provided with two and symmetrical is movably hinged fulcrum, the lower end of bottom sector is provided with two symmetrical fulcrums that are fixedly hinged, described expanding plate is half arcuate structure, the fulcrum that is movably hinged being movably hinged fulcrum and bottom sector of the top sector of side is connected on this side expanding plate, the fulcrum that is movably hinged being movably hinged fulcrum and bottom sector of the top sector of opposite side is connected on opposite side expanding plate, the upper end of top sector is provided with activity adjustment face, activity adjustment face is flexible material, activity adjustment face is connected with the fulcrum that is fixedly hinged at sector two ends, top, the both sides, lower end of extending frame are connected to connecting rod, what connecting rod was connected to bottom sector is fixedly hinged on fulcrum, connecting rod connects described hands handle respectively, handle is equipped with press strip, two lateral layerings are symmetrical to be interconnected to intermediate, inclined and to be connected with an inner core in junction, inner core is in described expansion head and described extending frame, the other end head of inner core is provided with pusher head.
2. cervical dilator according to claim 1, is characterized in that, the pusher head of described inner core is connected with the centre point in activity adjustment face all the time.
3. cervical dilator according to claim 1, is characterized in that, the expanding plate described in two panels folds the outer ring of outer ring together and described extending frame on same arcwall face.
4. a kind of cervical dilator according to claim 1, is characterized in that, described expansion head external diameter is less than the external diameter of described extending frame.
5. cervical dilator according to claim 1, is characterized in that, described expansion head front end is provided with arc protection head.
6. cervical dilator according to claim 1, is characterized in that, described top sector and described bottom sector are the covering of the fan structure of flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410533294.4A CN104257418B (en) | 2014-10-11 | 2014-10-11 | Cervical dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410533294.4A CN104257418B (en) | 2014-10-11 | 2014-10-11 | Cervical dilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104257418A true CN104257418A (en) | 2015-01-07 |
| CN104257418B CN104257418B (en) | 2016-06-29 |
Family
ID=52149087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410533294.4A Expired - Fee Related CN104257418B (en) | 2014-10-11 | 2014-10-11 | Cervical dilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104257418B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108339187A (en) * | 2018-03-31 | 2018-07-31 | 武汉市中西医结合医院（武汉市第医院） | Expand palace rifle |
| CN109528275A (en) * | 2019-01-21 | 2019-03-29 | 丽水市人民医院 | A kind of unilateral distracted cervical dilator |
| CN109717936A (en) * | 2019-02-28 | 2019-05-07 | 王怡冉 | Expand and inhales integral type rod for expanding cervix |
| CN111166443A (en) * | 2020-01-06 | 2020-05-19 | 青岛市妇女儿童医院（青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心） | Special operation pincers of gynaecology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100305578A1 (en) * | 2009-05-27 | 2010-12-02 | Coopersurgical, Inc. | Uterine Manipulators and Related Components and Methods |
| CN201959400U (en) * | 2011-02-25 | 2011-09-07 | 任琛琛 | Cervical dilator |
| CN202908817U (en) * | 2012-11-30 | 2013-05-01 | 刘文化 | Novel cervix expanding device for aids to delivery |
| WO2013115892A1 (en) * | 2012-01-30 | 2013-08-08 | Brigham And Women's Hospital, Inc. | Functional uterine manipulator |
| CN204049799U (en) * | 2014-10-11 | 2014-12-31 | 丽水市人民医院 | A kind of cervical dilator |
-
2014
- 2014-10-11 CN CN201410533294.4A patent/CN104257418B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100305578A1 (en) * | 2009-05-27 | 2010-12-02 | Coopersurgical, Inc. | Uterine Manipulators and Related Components and Methods |
| CN201959400U (en) * | 2011-02-25 | 2011-09-07 | 任琛琛 | Cervical dilator |
| WO2013115892A1 (en) * | 2012-01-30 | 2013-08-08 | Brigham And Women's Hospital, Inc. | Functional uterine manipulator |
| CN202908817U (en) * | 2012-11-30 | 2013-05-01 | 刘文化 | Novel cervix expanding device for aids to delivery |
| CN204049799U (en) * | 2014-10-11 | 2014-12-31 | 丽水市人民医院 | A kind of cervical dilator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108339187A (en) * | 2018-03-31 | 2018-07-31 | 武汉市中西医结合医院（武汉市第医院） | Expand palace rifle |
| CN108339187B (en) * | 2018-03-31 | 2023-08-22 | 武汉市中西医结合医院（武汉市第一医院） | Uterus dilating gun |
| CN109528275A (en) * | 2019-01-21 | 2019-03-29 | 丽水市人民医院 | A kind of unilateral distracted cervical dilator |
| CN109717936A (en) * | 2019-02-28 | 2019-05-07 | 王怡冉 | Expand and inhales integral type rod for expanding cervix |
| CN109717936B (en) * | 2019-02-28 | 2024-03-19 | 河南省人民医院 | Integrated uterus dilating rod |
| CN111166443A (en) * | 2020-01-06 | 2020-05-19 | 青岛市妇女儿童医院（青岛市妇幼保健院、青岛市残疾儿童医疗康复中心、青岛市新生儿疾病筛查中心） | Special operation pincers of gynaecology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104257418B (en) | 2016-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104257418B (en) | Cervical dilator | |
| CN204049799U (en) | A kind of cervical dilator | |
| CN205163025U (en) | Cervical dilator | |
| CN209734100U (en) | Single-side-opening cervical dilator | |
| CN205018581U (en) | Business administration special file accesses drawer | |
| CN203618915U (en) | Umbrella convenient to fold | |
| CN104085541A (en) | Supporting arm for expanding large thin-film structure | |
| CN109528275B (en) | Cervical dilator with unilateral opening | |
| CN204543240U (en) | A kind of adjustable cervical dilator | |
| CN108792317A (en) | Fixture for fixing crab | |
| CN202908021U (en) | Improved eccentric rain-proof umbrella | |
| CN104064878A (en) | Unfolding and shaping mechanism for reflecting surface of inflatable unfolding type parabolic cylinder antenna | |
| CN208893117U (en) | A kind of Domestic massage device | |
| CN208379990U (en) | Floor panel assembly is built in a kind of room | |
| CN201139301Y (en) | Movable protection fence convenient to move | |
| CN204245374U (en) | A kind of contraction type protective umbrella | |
| CN202514044U (en) | Adjustable microphone | |
| CN207575305U (en) | For male uracratia pressure adjustable oversleeve shape penis clamps | |
| CN2915146Y (en) | Medical vagina dilator | |
| CN206787880U (en) | A kind of mucous membrane sample fixed equipment | |
| CN204615069U (en) | A kind of netting twine crystal connector | |
| CN207613809U (en) | Tube wall support carries pincers | |
| CN210776371U (en) | Portable abacus for primary school mathematics abacus | |
| CN209187157U (en) | A kind of operation for prolapse of uterus clamping pliers for being convenient for picking and placing pessary | |
| CN208276123U (en) | Rivet extracts special vice in a kind of house breaking engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20211011 |