CN108030582A - Intrauterine device - Google Patents
Intrauterine device Download PDFInfo
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- CN108030582A CN108030582A CN201810035124.1A CN201810035124A CN108030582A CN 108030582 A CN108030582 A CN 108030582A CN 201810035124 A CN201810035124 A CN 201810035124A CN 108030582 A CN108030582 A CN 108030582A
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- arc sections
- arc
- sections
- intrauterine device
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F6/00—Contraceptive devices; Pessaries; Applicators therefor
- A61F6/06—Contraceptive devices; Pessaries; Applicators therefor for use by females
- A61F6/14—Contraceptive devices; Pessaries; Applicators therefor for use by females intra-uterine type
- A61F6/142—Wirelike structures, e.g. loops, rings, spirals
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- Health & Medical Sciences (AREA)
- Reproductive Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The present invention relates to the field of medical instrument technology, proposes a kind of intrauterine device.The intrauterine device includes the first arc sections, the second arc sections, three-arc portion and the 4th arc sections of head and the tail connection successively；Wherein, the first arc sections are arranged on left side, and recessed to the left, and three-arc portion and first arc sections or so are oppositely arranged, and three-arc portion is recessed to the right；Second arc sections and the 4th arc sections are arranged on downside, and recessed to downside, and the 4th arc sections before and after the second arc sections with being oppositely arranged.The intrauterine device will not be caught in ostium of uterus in physical activity；Be not in phenomenon that is top-heavy and toppling over, contraceptive effect is preferable；And it can effectively prevent the generation of endometrial synechiae.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of intrauterine device.
Background technology
Contraceptive is a kind of contraception device being placed in uterine cavity, since the device used initial stage is cricoid mostly, is led to
Often it is intrauterine device.Intrauterine device to whole body disturb it is less, act on part, do not influence to give birth to after taking-up, have safely, effectively, can
The advantages that inverse, easy, economic, be one of most common birth control apparatus.The effective percentage practised contraception using intrauterine contraceptive device in utero is about 90%.
At present, main intrauterine device has first palace type intrauterine device 101, Ω types intrauterine device 102,103 3 kinds of V-type intrauterine device.Ginseng
According to the structure diagram of first palace type intrauterine device shown in Fig. 1, its underpart is arranged to V-shaped.With reference to the Ω type intrauterine devices shown in Fig. 2
102 structure diagram, its underpart are arranged to V-shaped, are provided with rubber sleeve 1021, and rubber sleeve 1021 easily comes off, rubber
Its exposed metal position can damage uterus after gum cover 1021 comes off.The knot of V-type intrauterine device 103 with reference to shown in Fig. 3
Structure schematic diagram, its underpart are arranged to V-shaped, its both sides top is provided with copper sheathing 1031, and the heavier-weight of copper sheathing 1031, makes V-type
Intrauterine device 103 is top-heavy, is easily tilted during physical activity, so as to lose contraceptive effect, causes contraceptive failure.And
And these three intrauterine devices are disposed as V-shaped due to lower part, ostium of uterus is easily caught in during physical activity, is caused
The failure of injury or contraception to human body.
Therefore, it is necessary to study a kind of new intrauterine device.
Above- mentioned information disclosed in the background section is only used for strengthening the understanding of the background to the present invention, therefore it can
With including not formed the information to the prior art known to persons of ordinary skill in the art.
The content of the invention
It is an object of the invention to overcome at least one deficiency of the above-mentioned prior art, there is provided a kind of contraceptive effect is preferable
Intrauterine device.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will be from description
It is apparent from, or can be by the practice of the present invention and acquistion.
According to one aspect of the disclosure, there is provided a kind of intrauterine device, including：
The first arc sections, the second arc sections, three-arc portion and the 4th arc sections of head and the tail connection successively；
Wherein, first arc sections are arranged on left side, and recessed to the left, the three-arc portion and first circular arc
Portion or so is oppositely arranged, and the three-arc portion is recessed to the right；Second arc sections and the 4th arc sections are arranged on
Downside, and it is recessed to downside, the 4th arc sections before and after second arc sections with being oppositely arranged.
In a kind of exemplary embodiment of the disclosure, first arc sections and three-arc portion are equipped with layers of copper.
In a kind of exemplary embodiment of the disclosure, first arc sections, second arc sections, the 3rd circle
The material of arc portion and the 4th arc sections is memorial alloy, the one or more in stainless steel spring.
In a kind of exemplary embodiment of the disclosure, first arc sections include：
First front side arc sections, arranged on front side；
It is symmetrical arranged before and after first rear side arc sections, with first front side arc sections.
In a kind of exemplary embodiment of the disclosure, the three-arc portion includes：
3rd front side arc sections, arranged on front side；
It is symmetrical arranged before and after 3rd rear side arc sections, with the 3rd front side arc sections.
In a kind of exemplary embodiment of the disclosure, second arc sections are arranged on front side, and the 4th arc sections are set
In rear side.
In a kind of exemplary embodiment of the disclosure, first front side arc sections and the 3rd front side arc sections
It is connected to the both ends of the 4th arc sections；The first rear side arc sections and the 3rd rear side arc sections are connected to described
The both ends of second arc sections.
In a kind of exemplary embodiment of the disclosure, first front side arc sections and the 3rd front side arc sections
It is connected to the both ends of second arc sections；The first rear side arc sections and the 3rd rear side arc sections are connected to described
The both ends of 4th arc sections.
In a kind of exemplary embodiment of the disclosure, second arc sections and the 4th arc sections are equipped with copper
Layer.
In a kind of exemplary embodiment of the disclosure, first arc sections, second arc sections, the 3rd circle
Rounding off connects between arc portion and the 4th arc sections.
As shown from the above technical solution, the present invention possesses at least one of advantages below and good effect：
The present invention intrauterine device, including successively head and the tail connection the first arc sections, the second arc sections, three-arc portion and
4th arc sections, wherein the first arc sections are arranged on left side and lateral bend, three-arc portion and the first arc sections are symmetrical to the right
Set, the second arc sections and the 4th arc sections are arranged on downside and upward lateral bend, before the 4th arc sections and the second arc sections
After be symmetrical arranged.On the one hand, the lower part of intrauterine device is provided with front and rear symmetrical second arc sections and the 4th arc sections, the second circle
Arc portion and the 4th arc sections form two supporting parts, in physical activity, will not be caught in ostium of uterus；On the other hand, the first circle
Arc portion, the second arc sections, the weight of three-arc portion and the 4th arc sections are more balanced, are not in top-heavy and topple over
Phenomenon；Another further aspect, the first arc sections, the second arc sections, three-arc portion and the 4th arc sections are sequentially connected from head to tail to form
One close ring, will not damage human body.Another aspect, the first arc sections extend to the left, and three-arc portion is to the right
Extension, three-arc portion and the 4th arc sections extend to downside, the intrauterine device is formed a stereochemical structure, can be effectively pre-
The generation of anti-endometrial synechiae.
Brief description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature and advantage of the invention will become
It is more obvious.
Fig. 1 is the structure diagram of first palace type intrauterine device in the prior art；
Fig. 2 is the structure diagram of Ω types intrauterine device in the prior art；
Fig. 3 is the structure diagram of V-type intrauterine device in the prior art；
Fig. 4 is the structure diagram of one embodiment of intrauterine device of the present invention；
Fig. 5 is the schematic top plan view in Fig. 4；
Fig. 6 is the structure diagram of another embodiment of intrauterine device of the present invention；
Fig. 7 is the schematic top plan view in Fig. 6.
The reference numerals are as follows for main element in figure：
1st, the first arc sections；11st, the first front side arc sections；12nd, the first rear side arc sections；
2nd, the second arc sections；
3rd, three-arc portion；31st, the 3rd front side arc sections；32nd, the 3rd rear side arc sections；
4th, the 4th arc sections；
5th, the first connection arc sections；
6th, the second connection arc sections；
7th, the 3rd connection arc sections；
8th, the 4th connection arc sections；
9th, the 5th connection arc sections；
10th, the 6th connection arc sections；
13rd, the 7th connection arc sections；
14th, the 8th connection arc sections；
101st, first palace type intrauterine device；
102nd, Ω types intrauterine device；1021st, rubber sleeve；
103rd, V-type intrauterine device；1031st, copper sheathing.
Embodiment
Example embodiment is described more fully with referring now to attached drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical attached drawing in figure
Mark represents same or similar structure, thus will omit their detailed description.
With reference to the structure diagram of the intrauterine device of the invention shown in Fig. 4~Fig. 7, the present invention provides a kind of intrauterine device,
The intrauterine device includes the first arc sections 1, the second arc sections 2,3 and the 4th arc sections 4 of three-arc portion of head and the tail connection successively；
Wherein, first arc sections 1 are arranged on left side, and recessed to the left, and the three-arc portion 3 and first arc sections 1 are left
The right side is oppositely arranged, and the three-arc portion 3 is recessed to the right；Second arc sections 2 and the 4th arc sections 4 are arranged on down
Side, and it is recessed to downside, the 4th arc sections 4 before and after second arc sections 2 with being oppositely arranged.
" on ", " under " mentioned herein, "front", "rear", "left", "right" are with reference to the mark in Fig. 4~Fig. 7.
In this example embodiment, the first arc sections 1 are connected with the second arc sections 2, the second arc sections 2 and three-arc
Portion 3 connects, and three-arc portion 3 is connected with the 4th arc sections 4, and the 4th arc sections 4 are connected formation one with the first arc sections 1 and close again
Cyclization；And rounding off connects between first arc sections 1, the second arc sections 2,3 and the 4th arc sections 4 of three-arc portion,
I.e. in the first arc sections 1 and the second arc sections 2, the second arc sections 2 and three-arc portion 3,3 and the 4th arc sections of three-arc portion
4 and the 4th connection arc sections are both provided between arc sections 4 and the first arc sections 1.Make whole birth control by connecting arc sections
Ring forms a smooth closed shape, and the corner angle not protruded, will not damage human body.
First arc sections 1 are arranged on the left side of intrauterine device, and recessed to the left.In this example embodiment, the first circular arc
Portion 1 is arranged to the shape of more half of ellipse, and the first arc sections 1 include the first front side arc sections 11, Yi Jiyu arranged on front side
Symmetrically arranged first rear side arc sections 12 before and after first front side arc sections 11.In addition, in other examples embodiment party of the present invention
In formula, the first arc sections 1 may also be configured to "U" shaped or semicircle etc., these settings belong to protection scope of the present invention.
Three-arc portion 3 is oppositely arranged with the first arc sections 1 or so, and three-arc portion 3 is recessed to the right.It is real in this example
Apply in mode, three-arc portion 3 is symmetrical set with the first arc sections 1, and three-arc portion 3 is also configured as more half of ellipse
Shape, three-arc portion 3 include arranged on front side the 3rd front side arc sections 31, and with it is right before and after the 3rd front side arc sections 31
Claim the 3rd rear side arc sections 32 set.In addition, in other example embodiments of the present invention, three-arc portion 3 can also be set
"U" shaped or semicircle etc. are set to, these settings belong to protection scope of the present invention.3 and first circular arc of three-arc portion
Portion 1 can not also be symmetrical arranged, for example, the first arc sections 1 can use "U" shaped, three-arc portion 3 can use semicircle
Shape, does not do particular determination herein.
Second arc sections 2 and the 4th arc sections 4 are arranged on downside, and recessed to downside, the 4th arc sections 4 and the second circle
It is oppositely arranged before and after arc portion 2.In this example embodiment, the 4th arc sections 4 before and after the second arc sections 2 with being symmetrical arranged, and
Two arc sections 2 are arranged on front side, and the 4th arc sections 4 are arranged on rear side.Second arc sections 2 are arranged to "U" shaped, the 4th arc sections 4
It is arranged to and 2 symmetrical "U" shaped of the second arc sections.Certainly, it will be appreciated by persons skilled in the art that the second arc sections 2
And the 4th arc sections 4 may be set to be half elliptic, semicircle etc. various shapes, these setting belongs to the present invention
Protection domain.4th arc sections 4 can not also be symmetrical arranged with the second arc sections 2, for example, the 4th arc sections 4 can use " U "
Font, the second arc sections 2 can use semicircle, not do particular determination herein.
The structure diagram of one embodiment of intrauterine device of the present invention with reference to shown in Fig. 4 and Fig. 5；First arc sections 1 with
Second arc sections 2 and the 4th arc sections 4 are interconnection, 3 and second arc sections 2 of three-arc portion and the 4th arc sections 4
Also it is interconnection；I.e. the first front side arc sections 11 and the 3rd front side arc sections 31 are connected to the both ends of the 4th arc sections 4, the
One rear side arc sections 12 and the 3rd rear side arc sections 32 are connected to the both ends of the second arc sections 2.In this example embodiment,
Pass through the first connection 5 round and smooth connection of arc sections, the first rear side arc sections 12 between first front side arc sections 11 and the 4th arc sections 4
Be connected 6 round and smooth connection of arc sections by second between the second arc sections 2, the 3rd front side arc sections 31 and the 4th arc sections 4 it
Between by the 3rd connection 7 round and smooth connection of arc sections, between the 3rd rear side arc sections 32 and the second arc sections 2 pass through the 4th connection circle
8 round and smooth connection of arc portion.First connection arc sections 5 and second are arranged in a crossed manner, the 3rd connection arc sections 7 between connecting arc sections 6
It is connected with the 4th between arc sections 8 also to be arranged in a crossed manner.So it is arranged in a crossed manner, crossover sites first connection arc sections 5 with
Second connection arc sections 6 and the 3rd, which are connected between arc sections 7 and the 4th connect arc sections 8, mutually to provide support, so that
Increase the structural strength of whole intrauterine device；And during physical activity, whole intrauterine device can follow movement.
The structure diagram of another embodiment of intrauterine device of the present invention with reference to shown in Fig. 6 and Fig. 7；First front side circular arc
11 and the 3rd front side arc sections 31 of portion are connected to the both ends of the second arc sections 2；First rear side arc sections 12 and the 3rd rear side
Arc sections 32 are connected to the both ends of the 4th arc sections 4.In this example embodiment, the first front side arc sections 11 and the second circular arc
By the 5th connection 9 round and smooth connection of arc sections between portion 2, pass through the 6th between the first rear side arc sections 12 and the 4th arc sections 4
10 round and smooth connection of arc sections is connected, is justified between the 3rd front side arc sections 31 and the second arc sections 2 by the 7th connection arc sections 13
Slip, passes through the 8th connection 14 round and smooth connection of arc sections between the 3rd rear side arc sections 32 and the 4th arc sections 4.5th connection
Arc sections 9 and the 6th connect arc sections 10 between do not have it is arranged in a crossed manner, the 7th connection arc sections 13 is connected arc sections 14 with the 8th
Between it is also not arranged in a crossed manner.The activity that whole intrauterine device follows human body can be increased by being arranged such, and avoid human body in activity
Injury of the journey to human body.
In this example embodiment, layers of copper is equipped with the first arc sections 1 and three-arc portion 3.Copper to sperm or
Embryonated egg has lethal effect, can strengthen contraceptive effect.In addition, in other example embodiments of the present invention, the second circle
Layers of copper can also be equipped with 2 and the 4th arc sections 4 of arc portion.Layers of copper can be by way of plating, electroless copper or mechanical processing
It is formed on intrauterine device, the intrauterine device directly can also be made using the alloy with copper.Copper facing area is about 110mm2~
380mm2Between.
In this example embodiment, the first arc sections 1, the second arc sections 2,3 and the 4th arc sections 4 of three-arc portion
One or more of the material for memorial alloy, in stainless steel spring., can be by copper when using stainless steel spring material
Column is arranged in stainless steel spring, without using copper-plated form.Memorial alloy is marmem, marmem
(Shape Memory Alloys), abbreviation SMA, is a kind of it can be completely eliminated after heat temperature raising to send out at a lower temperature
Raw deformation, recovers the alloy material of original-shape before its deformation, that is, possesses the alloy of " memory " effect.
The intrauterine device of the present invention, including the first arc sections 1 of head and the tail connection, the second arc sections 2, three-arc portion 3 successively
And the 4th arc sections 4, wherein the first arc sections 1 are arranged on left side and to the right lateral bend, 3 and first arc sections 1 of three-arc portion
It is symmetrical set, the second arc sections 2 and the 4th arc sections 4 are arranged on downside and upward lateral bend, the 4th arc sections 4 and
It is symmetrical arranged before and after two arc sections 2.On the one hand, the lower part of intrauterine device is provided with front and rear symmetrical second arc sections 2 and the 4th
Arc sections 4, the second arc sections 2 and the 4th arc sections 4 form two supporting parts, in physical activity, will not be caught in ostium of uterus；
On the other hand, the first arc sections 1, the second arc sections 2, the weight of 3 and the 4th arc sections 4 of three-arc portion are more balanced, will not
There is phenomenon that is top-heavy and toppling over；Another further aspect, the first arc sections 1, the second arc sections 2, three-arc portion 3 and the 4th
Arc sections 4 are sequentially connected from head to tail to form a close ring, and human body will not be damaged.Another aspect, the first arc sections 1 are to the left
Side extends, and three-arc portion 3 extends to the right, and 3 and the 4th arc sections 4 of three-arc portion extend to downside, make the intrauterine device
A stereochemical structure is formed, can effectively prevent the generation of endometrial synechiae.
Above-mentioned described feature, structure or characteristic can be incorporated in one or more embodiment party in any suitable manner
In formula, if possible, it is characterized in discussed in each embodiment interchangeable.In above description, there is provided many specific thin
Section fully understands embodiments of the present invention so as to provide.It will be appreciated, however, by one skilled in the art that this can be put into practice
The technical solution of invention is without one or more in the specific detail, or can use other methods, component, material
Material etc..In other cases, known features, material or operation are not shown in detail or describe to avoid fuzzy each side of the invention
Face.
Term " about " " about " is used to be generally represented within the 20% of a given value or range in this specification, preferably
It is within 10%, and is more preferably within 5%.Given quantity is quantity about herein, implies that the feelings in no certain illustrated
Under condition, the implication of " about " " about " " substantially " " general " can be still implied.
Although the term of relativity, such as " on " " under " is used to describe icon component for another in this specification
The relativeness of one component, but these terms are used in this specification merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.Be appreciated that, if making it turn upside down the upset of the device of icon, describe " on " component will
As " under " component.The term of other relativities, such as " preceding " " rear " " left side " " right side " etc. also make have similar meaning.When certain
Structure other structures " on " when, it is possible to refer to that certain structural integrity is formed in other structures, or refer to certain structure " direct " and set
Put in other structures, or refer to certain structure and be arranged on by another structure " indirect " in other structures.
In this specification, term "one", " one ", "the" and " described " be representing that there are one or more elements/group
Into part/etc.；Term "comprising", " comprising " and " having " to represent the open meaning being included and refer to except
The key element/part/listed also may be present outside waiting other key element/part/etc.；Term " first ", " second " and
" 3rd " etc. only uses as mark, is not the quantity limitation to its object.
It should be appreciated that the present invention is not limited in its application to the detailed construction and arrangement of the component of this specification proposition
Mode.The present invention can have other embodiment, and can realize and perform in many ways.Aforesaid deformation form and
Modification is fallen within the scope of the present invention.It should be appreciated that this disclosure and the present invention limited are extended in text
And/or mentioned in attached drawing or all alternative combinations of two or more obvious independent features.It is all these different
Combination forms multiple alternative aspects of the present invention.Embodiment described in this specification illustrates to become known for realizing the present invention
Best mode, and will enable those skilled in the art using the present invention.
Claims (10)
- A kind of 1. intrauterine device, it is characterised in that including：The first arc sections, the second arc sections, three-arc portion and the 4th arc sections of head and the tail connection successively；Wherein, first arc sections are arranged on left side, and recessed to the left, and the three-arc portion is left with first arc sections The right side is oppositely arranged, and the three-arc portion is recessed to the right；Second arc sections and the 4th arc sections are arranged on downside, And it is recessed to downside, the 4th arc sections before and after second arc sections with being oppositely arranged.
- 2. intrauterine device according to claim 1, it is characterised in that first arc sections and three-arc portion are equipped with Layers of copper.
- 3. intrauterine device according to claim 1, it is characterised in that first arc sections, second arc sections, described The material of three-arc portion and the 4th arc sections is memorial alloy, the one or more in stainless steel spring.
- 4. intrauterine device according to claim 1, it is characterised in that first arc sections include：First front side arc sections, arranged on front side；It is symmetrical arranged before and after first rear side arc sections, with first front side arc sections.
- 5. intrauterine device according to claim 4, it is characterised in that the three-arc portion includes：3rd front side arc sections, arranged on front side；It is symmetrical arranged before and after 3rd rear side arc sections, with the 3rd front side arc sections.
- 6. intrauterine device according to claim 5, it is characterised in that second arc sections are arranged on front side, the 4th circle Arc portion is arranged on rear side.
- 7. intrauterine device according to claim 6, it is characterised in that first front side arc sections and the 3rd front side Arc sections are connected to the both ends of the 4th arc sections；The first rear side arc sections and the 3rd rear side arc sections connection In the both ends of second arc sections.
- 8. intrauterine device according to claim 6, it is characterised in that first front side arc sections and the 3rd front side Arc sections are connected to the both ends of second arc sections；The first rear side arc sections and the 3rd rear side arc sections connection In the both ends of the 4th arc sections.
- 9. intrauterine device according to claim 1, it is characterised in that in second arc sections and the 4th arc sections Equipped with layers of copper.
- 10. intrauterine device according to claim 1, it is characterised in that first arc sections, second arc sections, institute Rounding off between three-arc portion and the 4th arc sections is stated to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810035124.1A CN108030582B (en) | 2018-01-15 | 2018-01-15 | Contraceptive ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810035124.1A CN108030582B (en) | 2018-01-15 | 2018-01-15 | Contraceptive ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108030582A true CN108030582A (en) | 2018-05-15 |
| CN108030582B CN108030582B (en) | 2023-12-22 |
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ID=62096592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810035124.1A Active CN108030582B (en) | 2018-01-15 | 2018-01-15 | Contraceptive ring |
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| Country | Link |
|---|---|
| CN (1) | CN108030582B (en) |
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|---|---|---|---|---|
| US2122579A (en) * | 1934-06-13 | 1938-07-05 | Louis W Meckstroth | Intra-uterine device |
| US3250271A (en) * | 1963-04-29 | 1966-05-10 | Lippes Jack | Intrauterine device |
| GB1096698A (en) * | 1965-11-18 | 1967-12-29 | Svu Textilni Liberec | Improvements in or relating to mechanical intra-uterine contraceptive devices |
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| CN1957864A (en) * | 2005-11-03 | 2007-05-09 | 辽宁爱母医疗科技有限公司 | Method for fabricating intrauterine device made from TiNi shape memory alloy |
| US20140048073A1 (en) * | 2012-08-14 | 2014-02-20 | Michael Tal | Intrauterine contraceptive device |
| CN206714874U (en) * | 2017-01-03 | 2017-12-08 | 崔华静 | A kind of intrauterine device device |
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