CN104257418B - Cervical dilator - Google Patents
Cervical dilator Download PDFInfo
- Publication number
- CN104257418B CN104257418B CN201410533294.4A CN201410533294A CN104257418B CN 104257418 B CN104257418 B CN 104257418B CN 201410533294 A CN201410533294 A CN 201410533294A CN 104257418 B CN104257418 B CN 104257418B
- Authority
- CN
- China
- Prior art keywords
- sector
- extending frame
- fulcrum
- inner core
- expanding plate
- 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.)
- Expired - Fee Related
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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
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- 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 dilator, be specifically related to a kind of cervical dilator.Cervical dilator, including interconnective expansion head successively, extending frame, inner core, connecting rod and two side handles, described expansion head rear end is connected to described extending frame, expansion head and extending frame are circular hollow structure, extending frame includes top sector, bottom sector and monosymmetric expanding plate, the extension of this dilator is effective, using method and general pliers, shears is close, more convenient, expanding plate is utilized outwards to strut cervix uteri, principle by fan-shaped canopy shape support, cooperation in conjunction with inner core and extending frame, the fulcrum that is movably hinged that rack joint fills is utilized to achieve the draw-in and draw-off function that support is put, avoid conventional expansion and cause cervical lesions.
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, it is necessary to cervix uteri is expanded, being frequently encountered by cervix uteri mouth little, medical apparatus and instruments cannot insert in cervix uteri.Existing cervical dilator is the various bar type apparatuses that thickness does not wait, it is necessary to repeated multiple times operation, allows and has inotropic cervix uteri and be subject to extraneous compressing natural extension, very inconvenient；Another bar type dilator and the friction of cervix uteri inwall multiple-contact, it is easy to cause cervical lesions, and expansion effect is very poor.
Summary of the invention
The technical problem to be solved is: the deficiency existed for prior art, it is provided that a kind of cervical dilator easy to use.
For realizing the purpose of the present invention, it is achieved by the following technical solutions: cervical dilator, including interconnective expansion head successively, extending frame, inner core, connecting rod and two side handles, described expansion head rear end is connected to described extending frame, expansion head and extending frame are circular hollow structure, extending frame includes top sector, bottom sector and monosymmetric expanding plate, the upper end of top sector is provided with two symmetrical fixing hinged supports, 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 fixing hinged supports, 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 fixing hinged support at sector two ends, top, the both sides, lower end of extending frame are connected to connecting rod, connecting rod is connected on the fixing hinged support of bottom sector, connecting rod connects described hands handle respectively, handle is equipped with press strip, two lateral layerings are symmetrical to be connected with each other to intermediate, inclined and is 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 extension 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 that rack joint fills is utilized to achieve the draw-in and draw-off function that support is put, it is to avoid conventional expansion 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
Below according to accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
According to Fig. 1 to Fig. 2, cervical dilator, including interconnective expansion 1 successively, extending frame 2, connecting rod 3 and two side handles 4, described expansion 1 rear end is connected to described extending frame 2, expansion 1 and extending frame 2 are circular hollow structure, extending frame 2 includes top sector 6, bottom sector 7 and monosymmetric expanding plate 8, the upper end of top sector 6 is provided with two symmetrical fixing hinged supports 9, 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 fixing hinged supports 9, 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 fixing hinged support 9 at top sector 6 two ends, the both sides, lower end of extending frame 2 are connected to connecting rod 3, connecting rod 3 is connected on the fixing hinged support 9 of bottom sector 7, connecting rod 3 connects described handle 4 respectively, handle 4 is equipped with press strip 12, two lateral layering 12 symmetries are connected with each other 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 fixing hinged support 9 and the unfolding mode that connected mode is existing umbrella or tent being movably hinged fulcrum 10, it is prior art, it both sides outer edge one circle of expanding plate 8 is the integument of soft material, integument is only wrapped in the outer ring of single expanding plate 8 respectively and is not connected with each other, 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 gatherings many for flexibility material interior respectively 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 such 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 is to withstand on the centre point in activity adjustment face 11, and activity adjustment face 11 is a nearly horizontal state.When dilator is inserted in cervix uteri, owing to described expansion 1 front end is provided with arc protection 5, so cervix uteri does not result in damage, more described expansion 1 external diameter is less than the external diameter of described extending frame 2, thus 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, and inner core 13 is by pull backward.Owing to the pusher head 14 of inner core 13 front end is connected with activity adjustment face 11 all the time, a little deformation can be caused for flexible material in activity adjustment face 11, but active force has acted on the fixing hinged support 9 of the top sector 6 being connected to both sides, activity adjustment face 11 simultaneously, fixing hinged support 9 conduction gives and is movably hinged fulcrum 10, it is movably hinged fulcrum 10 to be subject to power and outwards 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, what driven bottom sector 7 is movably hinged fulcrum 10 stress, until upper and lower two are movably hinged fulcrum 10 on same lateral surface.Owing to the inwall of cervix uteri is the expansible of softness, the power receiving expanding plate 8 will be compressed, and cervix uteri is just easily inserted into the expanded.Need when dilator is regained, directly extract can also, if but inserted deep, the inwall of cervix uteri head is not expanded, and directly extracts and can cause damage, so first to regain the outer ring of extending frame.Now have only 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 promotes forward, effect due to restoring force, inner core 13 can exceed certain force activity compression and regulate the centre point in face 11, activity adjustment face 11 power upwards is so allowed to be conducted to the fixing hinged support 9 of both sides, 9 the power conduction of fixing hinged support give and are movably hinged fulcrum 10, coordinate both sides expanding plate 8 by the power of cervix uteri inwall again, it is movably hinged fulcrum 10 and starts 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 again separated position, this completes a cervical dilatation.
Claims (3)
1. cervical dilator, it is characterized in that: include interconnective expansion head successively, extending frame, inner core, connecting rod and two side handles, described expansion head rear end is connected to described extending frame, expansion head and extending frame are circular hollow structure, extending frame includes top sector, bottom sector and monosymmetric expanding plate, the upper end of top sector is provided with two symmetrical fixing hinged supports, 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 fixing hinged supports, 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 fixing hinged support at sector two ends, top, the both sides, lower end of extending frame are connected to connecting rod, connecting rod is connected on the fixing hinged support of bottom sector, connecting rod connects described hands handle respectively, handle is equipped with press strip, two lateral layerings are symmetrical to be connected with each other to intermediate, inclined and is 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, the pusher head of inner core is connected with the centre point in activity adjustment face all the time, expanding plate described in two panels folds the outer ring of outer ring together and described extending frame on same arcwall face, described expansion head external diameter is less than the external diameter of described extending frame.
2. cervical dilator according to claim 1, it is characterised in that described expansion head front end is provided with arc protection head.
3. cervical dilator according to claim 1, it is characterised 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 CN104257418A (en) | 2015-01-07 |
| CN104257418B true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8292901B2 (en) * | 2009-05-27 | 2012-10-23 | 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 |
-
2014
- 2014-10-11 CN CN201410533294.4A patent/CN104257418B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104257418A (en) | 2015-01-07 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160629 Termination date: 20211011 |