CN108030582B - Contraceptive ring - Google Patents
Contraceptive ring Download PDFInfo
- Publication number
- CN108030582B CN108030582B CN201810035124.1A CN201810035124A CN108030582B CN 108030582 B CN108030582 B CN 108030582B CN 201810035124 A CN201810035124 A CN 201810035124A CN 108030582 B CN108030582 B CN 108030582B
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- China
- Prior art keywords
- arc part
- arc
- arc portion
- circular
- circular arc
- 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.)
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- 230000002254 contraceptive effect Effects 0.000 title claims abstract description 30
- 239000003433 contraceptive agent Substances 0.000 title claims description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 210000004696 endometrium Anatomy 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002357 endometrial effect Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
Classifications
-
- 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
Abstract
The invention relates to the technical field of medical appliances, and provides a intrauterine device. The intrauterine device comprises a first arc part, a second arc part, a third arc part and a fourth arc part which are connected end to end in sequence; the first arc part is arranged on the left side and is recessed to the left side, the third arc part is arranged opposite to the first arc part left and right, and the third arc part is recessed to the right side; the second arc part and the fourth arc part are arranged at the lower side and are recessed towards the lower side, and the fourth arc part and the second arc part are arranged in a front-back opposite mode. The intrauterine device can not be blocked into the uterine opening when the human body moves; the phenomenon of toppling due to light head and feet can not occur, and the contraceptive effect is better; but also can effectively prevent the occurrence of endometrium adhesion.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a intrauterine device.
Background
An intrauterine device is a contraceptive device that is placed within the uterine cavity, often called the intrauterine device, since the device is usually ring-shaped for initial use. The intrauterine device has less interference to the whole body, acts on local parts, does not influence fertility after being taken out, has the advantages of safety, effectiveness, reversibility, simplicity, economy and the like, and is one of the most commonly used intrauterine devices. The effective rate of intrauterine contraceptive device is about 90 percent.
At present, the main intrauterine device comprises three types of intrauterine device 101, omega-shaped intrauterine device 102 and V-shaped intrauterine device 103. Referring to the schematic structure of the uterine type ring shown in fig. 1, the lower part thereof is provided with a V-shape. Referring to the schematic structure of the omega-shaped contraceptive ring 102 shown in fig. 2, the lower part of the omega-shaped contraceptive ring is provided with a V-shaped rubber sleeve 1021, the rubber sleeve 1021 is easy to fall off, and the exposed metal part of the rubber sleeve 1021 can cause damage to uterus after falling off. Referring to the schematic structure of the V-shaped contraceptive ring 103 shown in fig. 3, the lower part thereof is provided with a V-shape, the top ends of both sides thereof are provided with copper sleeves 1031, and the copper sleeves 1031 have heavy weight, so that the V-shaped contraceptive ring 103 has light weight and is easy to incline in the process of human body movement, thereby losing contraceptive effect and causing contraceptive failure. Moreover, the three intrauterine device is characterized in that the lower parts of the three intrauterine devices are V-shaped, so that the intrauterine device is easy to be clamped into a uterine opening in the process of human body movement, and the injury to the human body or the contraceptive failure is caused.
Therefore, it is necessary to study a new contraceptive ring.
The above information disclosed in the background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to overcome at least one defect of the prior art and provide a contraceptive ring with better contraceptive effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
According to one aspect of the present disclosure, there is provided a contraceptive ring comprising:
the first arc part, the second arc part, the third arc part and the fourth arc part are connected end to end in sequence;
the first arc part is arranged on the left side and is recessed to the left side, the third arc part is arranged opposite to the first arc part left and right, and the third arc part is recessed to the right side; the second arc part and the fourth arc part are arranged on the lower side and are recessed towards the lower side, and the fourth arc part and the second arc part are arranged in a front-back opposite mode.
In an exemplary embodiment of the present disclosure, the first and third arc portions are provided with a copper layer thereon.
In an exemplary embodiment of the present disclosure, the material of the first circular arc portion, the second circular arc portion, the third circular arc portion, and the fourth circular arc portion is one or more of a memory alloy and a stainless steel spring.
In an exemplary embodiment of the present disclosure, the first circular arc portion includes:
a first front circular arc part arranged at the front side;
the first rear arc part is arranged in a front-rear symmetrical way with the first front arc part.
In an exemplary embodiment of the present disclosure, the third circular arc portion includes:
a third front circular arc part arranged at the front side;
the third rear arc part is arranged in a front-back symmetrical way with the third front arc part.
In an exemplary embodiment of the present disclosure, the second circular arc portion is provided at a front side, and the fourth circular arc portion is provided at a rear side.
In one exemplary embodiment of the present disclosure, the first front side arc portion and the third front side arc portion are connected to both ends of the fourth arc portion; the first rear side arc part and the third rear side arc part are connected to two ends of the second arc part.
In one exemplary embodiment of the present disclosure, the first front side arc portion and the third front side arc portion are connected to both ends of the second arc portion; the first rear side arc part and the third rear side arc part are connected to two ends of the fourth arc part.
In an exemplary embodiment of the present disclosure, a copper layer is disposed on the second circular arc portion and the fourth circular arc portion.
In an exemplary embodiment of the present disclosure, the first arc portion, the second arc portion, the third arc portion, and the fourth arc portion are smoothly connected in transition.
According to the technical scheme, the invention has at least one of the following advantages and positive effects:
the invention relates to a contraceptive ring, which comprises a first arc part, a second arc part, a third arc part and a fourth arc part which are sequentially connected end to end, wherein the first arc part is arranged at the left side and bent to the right side, the third arc part and the first arc part are symmetrically arranged left and right, the second arc part and the fourth arc part are arranged at the lower side and bent to the upper side, and the fourth arc part and the second arc part are symmetrically arranged front and back. On one hand, the lower part of the intrauterine device is provided with a second arc part and a fourth arc part which are symmetrical in front-back, and the second arc part and the fourth arc part form two supporting parts, so that the intrauterine device cannot be blocked into a uterine opening when a human body moves; on the other hand, the first arc part, the second arc part, the third arc part and the fourth arc part have balanced weight, and the phenomenon of toppling due to light weight and feet does not occur; in still another aspect, the first arc portion, the second arc portion, the third arc portion and the fourth arc portion are sequentially connected end to form a closed ring, and no harm is caused to a human body. In another aspect, the first arc part extends to the left, the third arc part extends to the right, and the third arc part and the fourth arc part extend to the lower, so that the intrauterine device forms a three-dimensional structure, and the intrauterine device can effectively prevent the occurrence of endometrial adhesion.
Drawings
The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 is a schematic structural view of a prior art meta-uterine ring;
fig. 2 is a schematic structural view of an omega-type contraceptive ring in the prior art;
FIG. 3 is a schematic view of a prior art V-shaped contraceptive ring;
FIG. 4 is a schematic view of the structure of an embodiment of the contraceptive ring of the present invention;
FIG. 5 is a schematic top view of FIG. 4;
fig. 6 is a schematic view of another embodiment of the contraceptive ring of the present invention;
fig. 7 is a schematic top view of fig. 6.
The main element reference numerals in the drawings are explained as follows:
1. a first arc portion; 11. a first front circular arc portion; 12. a first rear circular arc portion;
2. a second arc portion;
3. a third arc portion; 31. a third front circular arc portion; 32. a third rear arc portion;
4. a fourth arc portion;
5. a first connecting circular arc portion;
6. a second connecting circular arc part;
7. a third connecting arc part;
8. a fourth connecting circular arc part;
9. a fifth connecting arc part;
10. a sixth connecting circular arc part;
13. seventh connecting arc part;
14. eighth connecting circular arc part;
101. a uterine type intrauterine device;
102. omega-shaped intrauterine device; 1021. a rubber sleeve;
103. v-shaped intrauterine device; 1031. copper sleeve.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.
Referring to the structural schematic views of the contraceptive ring of the present invention shown in fig. 4 to 7, the present invention provides a contraceptive ring comprising a first circular arc portion 1, a second circular arc portion 2, a third circular arc portion 3 and a fourth circular arc portion 4 connected end to end in sequence; the first arc part 1 is arranged on the left side and is recessed to the left, the third arc part 3 is arranged opposite to the first arc part 1 from left to right, and the third arc part 3 is recessed to the right; the second arc part 2 and the fourth arc part 4 are arranged at the lower side and are recessed at the lower side, and the fourth arc part 4 and the second arc part 2 are arranged in a front-back opposite mode.
References herein to "upper", "lower", "front", "rear", "left", "right" refer to the designations in fig. 4-7.
In the present exemplary embodiment, the first arc part 1 is connected to the second arc part 2, the second arc part 2 is connected to the third arc part 3, the third arc part 3 is connected to the fourth arc part 4, and the fourth arc part 4 is connected to the first arc part 1 again to form a closed loop; the first arc part 1, the second arc part 2, the third arc part 3 and the fourth arc part 4 are in smooth transition connection, namely, connection arc parts are arranged between the first arc part 1 and the second arc part 2, between the second arc part 2 and the third arc part 3, between the third arc part 3 and the fourth arc part 4 and between the fourth arc part 4 and the first arc part 1. The whole intrauterine device is formed into a smooth closed body through the connection of the arc parts, no protruding edges and corners exist, and no harm is caused to human bodies.
The first arc part 1 is arranged at the left side of the intrauterine device and is recessed to the left side. In the present exemplary embodiment, the first arc portion 1 is provided in a shape of a plurality of ellipses, and the first arc portion 1 includes a first front arc portion 11 provided on the front side, and a first rear arc portion 12 provided in front-rear symmetry with the first front arc portion 11. In addition, in other exemplary embodiments of the present invention, the first arc portion 1 may be provided in a "U" shape or a semicircular shape, etc., which are all within the scope of the present invention.
The third arc part 3 is arranged opposite to the first arc part 1 from left to right, and the third arc part 3 is recessed to the right. In the present exemplary embodiment, the third arc portion 3 is provided in bilateral symmetry with the first arc portion 1, the third arc portion 3 is also provided in a shape of a plurality of ellipses, and the third arc portion 3 includes a third front arc portion 31 provided on the front side, and a third rear arc portion 32 provided in front-rear symmetry with the third front arc portion 31. In addition, in other exemplary embodiments of the present invention, the third arc portion 3 may be provided in a "U" shape or a semicircular shape, etc., which are all within the scope of the present invention. The third arc portion 3 and the first arc portion 1 may be asymmetrically disposed, for example, the first arc portion 1 may be in a "U" shape, and the third arc portion 3 may be in a semicircular shape, which is not particularly limited herein.
The second arc part 2 and the fourth arc part 4 are arranged at the lower side and are recessed towards the lower side, and the fourth arc part 4 and the second arc part 2 are arranged in a front-back opposite mode. In the present exemplary embodiment, the fourth arc portion 4 and the second arc portion 2 are provided in front-rear symmetry, the second arc portion 2 is provided on the front side, and the fourth arc portion 4 is provided on the rear side. The second arc part 2 is provided in a "U" shape, and the fourth arc part 4 is also provided in a "U" shape symmetrical to the second arc part 2. Of course, it will be understood by those skilled in the art that the second circular arc portion 2 and the fourth circular arc portion 4 may be provided in various shapes such as semi-elliptical, semi-circular, etc., which are all within the scope of the present invention. The fourth arc portion 4 and the second arc portion 2 may be asymmetrically arranged, for example, the fourth arc portion 4 may be in a "U" shape, and the second arc portion 2 may be in a semicircular shape, which is not particularly limited herein.
Referring to fig. 4 and 5, there is shown a schematic structural view of an embodiment of the contraceptive ring of the present invention; the first arc part 1 is in cross connection with the second arc part 2 and the fourth arc part 4, and the third arc part 3 is also in cross connection with the second arc part 2 and the fourth arc part 4; that is, the first front arc portion 11 and the third front arc portion 31 are connected to both ends of the fourth arc portion 4, and the first rear arc portion 12 and the third rear arc portion 32 are connected to both ends of the second arc portion 2. In the present exemplary embodiment, the first front arc portion 11 and the fourth arc portion 4 are smoothly connected by the first connecting arc portion 5, the first rear arc portion 12 and the second arc portion 2 are smoothly connected by the second connecting arc portion 6, the third front arc portion 31 and the fourth arc portion 4 are smoothly connected by the third connecting arc portion 7, and the third rear arc portion 32 and the second arc portion 2 are smoothly connected by the fourth connecting arc portion 8. The first connecting arc part 5 and the second connecting arc part 6 are arranged in a crossing way, and the third connecting arc part 7 and the fourth connecting arc part 8 are also arranged in a crossing way. The first connecting arc part 5 and the second connecting arc part 6 and the third connecting arc part 7 and the fourth connecting arc part 8 at the crossing part can mutually provide support, thereby increasing the structural strength of the whole intrauterine device; and the whole intrauterine device can follow the movement in the process of the human body movement.
Referring to fig. 6 and 7, there is shown a schematic structural view of another embodiment of the contraceptive ring of the present invention; the first front arc part 11 and the third front arc part 31 are connected to both ends of the second arc part 2; the first rear arc portion 12 and the third rear arc portion 32 are connected to both ends of the fourth arc portion 4. In the present exemplary embodiment, the first front arc portion 11 and the second arc portion 2 are smoothly connected by the fifth connecting arc portion 9, the first rear arc portion 12 and the fourth arc portion 4 are smoothly connected by the sixth connecting arc portion 10, the third front arc portion 31 and the second arc portion 2 are smoothly connected by the seventh connecting arc portion 13, and the third rear arc portion 32 and the fourth arc portion 4 are smoothly connected by the eighth connecting arc portion 14. The fifth connecting circular arc part 9 and the sixth connecting circular arc part 10 are not crossed, and the seventh connecting circular arc part 13 and the eighth connecting circular arc part 14 are not crossed. The arrangement can increase the activity of the whole intrauterine device following the human body, and avoid the injury of the human body to the human body in the activity process.
In the present exemplary embodiment, a copper layer is provided on the first circular arc portion 1 and the third circular arc portion 3. Copper has a killing effect on sperm or fertilized eggs and can enhance contraceptive effect. In another exemplary embodiment of the present invention, the second circular arc portion 2 and the fourth circular arc portion 4 may be provided with a copper layer. The copper layer can be formed on the contraceptive ring by electroplating, electroless copper plating or machining, or the contraceptive ring can be directly manufactured by adopting an alloy with copper. Copper plating area of about 110mm 2 ～380mm 2 Between them.
In the present exemplary embodiment, the first circular arc portion 1, the second circular arc portion 2, the third circular arc portion 3, and the fourth circular arc portion 4 are made of one or more of a memory alloy and a stainless steel spring. When the stainless steel spring is adopted, the copper column can be arranged in the stainless steel spring without adopting a copper plating mode. The memory alloy is a shape memory alloy (Shape Memory Alloys), and is called SMA for short, which is an alloy material capable of completely eliminating deformation of the memory alloy at a lower temperature after heating and raising the temperature and recovering the original shape of the memory alloy before deformation, namely the alloy with a memory effect.
The intrauterine device comprises a first circular arc part 1, a second circular arc part 2, a third circular arc part 3 and a fourth circular arc part 4 which are sequentially connected end to end, wherein the first circular arc part 1 is arranged at the left side and bends towards the right side, the third circular arc part 3 and the first circular arc part 1 are symmetrically arranged at the left side and the right side, the second circular arc part 2 and the fourth circular arc part 4 are arranged at the lower side and bend towards the upper side, and the fourth circular arc part 4 and the second circular arc part 2 are symmetrically arranged at the front and the back. On the one hand, the lower part of the intrauterine device is provided with a second circular arc part 2 and a fourth circular arc part 4 which are symmetrical in front-back, and the second circular arc part 2 and the fourth circular arc part 4 form two supporting parts, so that the intrauterine device cannot be blocked into a uterine opening when a human body moves; on the other hand, the first arc part 1, the second arc part 2, the third arc part 3 and the fourth arc part 4 have balanced weight, and the phenomenon of toppling due to light weight and feet does not occur; on the other hand, the first arc part 1, the second arc part 2, the third arc part 3 and the fourth arc part 4 are sequentially connected end to form a closed ring, so that the injury to a human body is avoided. On the other hand, the first arc part 1 extends to the left, the third arc part 3 extends to the right, and the third arc part 3 and the fourth arc part 4 extend to the lower, so that the intrauterine device forms a three-dimensional structure, and the occurrence of endometrial adhesion can be effectively prevented.
The above described features, structures or characteristics may be combined in any suitable manner in one or more embodiments, such as the possible, interchangeable features as discussed in connection with the various embodiments. In the above description, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the inventive aspects may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the invention.
The terms "about" and "approximately" are used in this specification to generally mean within 20%, preferably within 10%, and more preferably within 5% of a given value or range. The numbers given herein are about numbers, meaning that the meaning of "about," "approximately" may still be implied without specific recitation.
Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification for convenience only, such as in terms of the orientation of the examples described in the figures. It will be appreciated that if the device of the icon is flipped upside down, the recited "up" component will become the "down" component. Other relative terms such as "front", "back", "left", "right", etc. are also intended to have similar meanings. When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure through another structure.
In the present specification, the terms "a," "an," "the," and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc., in addition to the listed elements/components/etc.; the terms "first," "second," and "third," etc. are used merely as labels, and do not limit the number of their objects.
It should be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the specification. The invention is capable of other embodiments and of being practiced and carried out in various ways. The foregoing variations and modifications are intended to fall within the scope of the present invention. It should be understood that the invention disclosed and defined in this specification extends to all alternative combinations of two or more of the individual features mentioned or evident from the text and/or drawings. All of these different combinations constitute various alternative aspects of the present invention. The embodiments described in this specification illustrate the best mode known for carrying out the invention and will enable those skilled in the art to make and use the invention.
Claims (6)
1. A contraceptive ring comprising:
the first arc part, the second arc part, the third arc part and the fourth arc part are connected end to end in sequence;
the first arc part is arranged on the left side and is recessed to the left side, the third arc part is arranged opposite to the first arc part left and right, and the third arc part is recessed to the right side; the second arc part and the fourth arc part are arranged at the lower side and are recessed towards the lower side, and the fourth arc part and the second arc part are arranged in a front-back opposite way;
the first circular arc portion includes:
a first front circular arc part arranged at the front side;
the first rear arc part is arranged in front-back symmetry with the first front arc part;
the third circular arc portion includes:
a third front circular arc part arranged at the front side;
the third rear arc part is arranged in front-back symmetry with the third front arc part;
the second arc part is arranged on the front side, and the fourth arc part is arranged on the rear side;
the first front side arc part and the third front side arc part are connected to two ends of the fourth arc part; the first rear side arc part and the third rear side arc part are connected to two ends of the second arc part.
2. A contraceptive ring comprising:
the first arc part, the second arc part, the third arc part and the fourth arc part are connected end to end in sequence;
the first arc part is arranged on the left side and is recessed to the left side, the third arc part is arranged opposite to the first arc part left and right, and the third arc part is recessed to the right side; the second arc part and the fourth arc part are arranged at the lower side and are recessed towards the lower side, and the fourth arc part and the second arc part are arranged in a front-back opposite way;
the first circular arc portion includes:
a first front circular arc part arranged at the front side;
the first rear arc part is arranged in front-back symmetry with the first front arc part;
the third circular arc portion includes:
a third front circular arc part arranged at the front side;
the third rear arc part is arranged in front-back symmetry with the third front arc part;
the second arc part is arranged on the front side, and the fourth arc part is arranged on the rear side;
the first front side arc part and the third front side arc part are connected to two ends of the second arc part; the first rear side arc part and the third rear side arc part are connected to two ends of the fourth arc part.
3. The intrauterine device according to claim 1 or 2, characterized in that the first and third arc portions are provided with a copper layer.
4. The intrauterine device according to claim 1 or 2, wherein the material of said first circular arc portion, said second circular arc portion, said third circular arc portion and said fourth circular arc portion is one or more of a memory alloy and a stainless steel spring.
5. The intrauterine device according to claim 1 or 2, characterized in that the second and the fourth arc are provided with a copper layer.
6. The intrauterine device according to claim 1 or 2, characterized in that the first, the second, the third and the fourth arc are smoothly connected in transition.
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 CN108030582A (en) | 2018-05-15 |
| CN108030582B true CN108030582B (en) | 2023-12-22 |
Family
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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108030582B (en) |
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| EP0117818A1 (en) * | 1983-03-01 | 1984-09-05 | LABORATOIRE CENTRAL DE CHIMIOTHERAPIE ET DERMOCHIMIE ( C.C.D.) Société anonyme dite: | Intrauterine contraceptive device |
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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 |
| CN206714874U (en) * | 2017-01-03 | 2017-12-08 | 崔华静 | A kind of intrauterine device device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9265652B2 (en) * | 2012-08-14 | 2016-02-23 | Contramed, Llc | Intrauterine contraceptive device |
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- 2018-01-15 CN CN201810035124.1A patent/CN108030582B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| FR2429590A1 (en) * | 1978-06-30 | 1980-01-25 | Hasson Harrith | Intra=uterine contraceptive device - includes upper arms extending out from and around central portion to form non-spiral loops |
| FR2538243A1 (en) * | 1982-12-24 | 1984-06-29 | Aronica Elvira | Intra-uterine contraceptive device |
| EP0117818A1 (en) * | 1983-03-01 | 1984-09-05 | LABORATOIRE CENTRAL DE CHIMIOTHERAPIE ET DERMOCHIMIE ( C.C.D.) Société anonyme dite: | Intrauterine contraceptive device |
| RU2070007C1 (en) * | 1992-04-08 | 1996-12-10 | Александр Петрович Линецкий | Intrauterine contraceptive device |
| CN2673342Y (en) * | 2003-12-23 | 2005-01-26 | 上海医用缝合针厂 | Active Y type inner uterus contraception apparatus |
| 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 |
| CN206714874U (en) * | 2017-01-03 | 2017-12-08 | 崔华静 | A kind of intrauterine device device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108030582A (en) | 2018-05-15 |
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