CN101554346B - Solid reticulate intrauterine device - Google Patents
Solid reticulate intrauterine device Download PDFInfo
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- CN101554346B CN101554346B CN2009100159055A CN200910015905A CN101554346B CN 101554346 B CN101554346 B CN 101554346B CN 2009100159055 A CN2009100159055 A CN 2009100159055A CN 200910015905 A CN200910015905 A CN 200910015905A CN 101554346 B CN101554346 B CN 101554346B
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- netted
- reticulate
- face
- intrauterine device
- control apparatus
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Abstract
The invention discloses a solid reticulate intrauterine device. The intrauterine device is provided with six reticulate faces made of nickel-titanium memory alloy wires; the outer wall of each nickel-titanium memory alloy wire is coated by a silicon rubber layer; and the six reticulate faces are mutually connected to form a cavity inside the intrauterine device. A front reticulate face of the intrauterine device is provided with a similarly triangular frame, the upper end of the frame is a straight side, and the lower end is a small arc side; one end of the straight side is connected with one end of the small arc side through a first long arc side, and the other end of the straight side is connected with the other end of the small arc side through a second long arc side. The shape structure of a rear reticulate face is the same as that of the front reticulate face; and the edge of the front reticulate face and the edge of the rear reticulate face are connected by adopting a plurality of side support ribs to form a left reticulate face, a right reticulate face, an upper reticulate face and a lower reticulate face. The solid reticulate intrauterine device does not need to simultaneously use copper granule release for conception control or carry any medicament, has no toxic side effect for human bodies, can not cause sequela after long-term use, is convenient to place and take out, and causes very slight pain for the human bodies.
Description
Technical field
The present invention relates to birth control apparatus, is a kind of solid reticulate intrauterine device.
Background technology
Because it is that bigger safety is arranged that the contraceptive effect of birth control apparatus is compared with method contraceptive effects such as oral drugs or direct in utero administrations, convenience, and free of toxic effects, therefore, the general first-selected birth control apparatus of family planning women in pregnant age that China carries out.Because the initial birth control apparatus that uses can't reach contraceptive effect for some women, therefore, this area provides the birth control apparatus than polytype continuously, has reached 22 kinds at present, 84 models.But, use these birth control apparatus still to have more deficiency at present: through statistical department's investigation in recent years, 1.14 hundred million women use 5 years bad discontinuation rate average out to 23.31% of accumulative total of birth control apparatus, the accumulative total expulsion rate was 21.6% in 5 years, using 12 month to date mortalitys is 10.71%, and therefore, the structure of birth control apparatus still needs to improve at present, adapting to better, safer requirement, and can solve existing issue.
Summary of the invention
The purpose of this invention is to provide a kind of solid reticulate intrauterine device, its structure is three-dimensional shape, uses in the hope of more adapting to the women, thereby solves the problem that prior art exists.
The present invention is achieved through the following technical solutions for achieving the above object: a kind of solid reticulate intrauterine device, birth control apparatus has 6 netted that makes with the Ultimum Ti silk, Ultimum Ti silk outer wall coats silastic-layer, 6 netted faces interconnect, make and form cavity in the birth control apparatus, the preceding netted face of birth control apparatus has the frame of a likeness in form triangle, the frame upper end is a straight flange, the lower end is little arc limit, straight flange one end is connected with little arc limit one end by the first long arc limit, the straight flange other end is connected with the little arc limit other end by the second long arc limit, several cross-brace muscle and several longitudinal bracing muscle are set in the frame, cross-brace muscle and longitudinal bracing muscle intersect the formation mesh, the shape and structure that the back is netted is identical with preceding netted shape and structure, and preceding netted edge and back adopt several side brace rods to be connected to form netted an of left side between netted edge, right netted, last netted reaches netted down.Before netted and the back netted all to outer lug.Adopt the side dowel to connect between the side brace rod.The distance L 1 at preceding netted the widest part two ends is 2-3.5 centimetre, and the length L 2 of preceding netted straight flange is 0.8-1.5 centimetre, and preceding netted height H is 2.5-3.5 centimetre.Distance L 3 between netted outermost end of preceding netted outermost end and back is 1.2-2.7 centimetre.
Birth control apparatus of the present invention has thoroughly changed the open characteristics that existing birth control apparatus is planar structure, and birth control apparatus is designed to the solid reticulate structure, and uses the Ultimum Ti silk to make, and volume is less when being contraction-like before using, and is convenient to accurate placement.Because the present invention is the space network that silastic-layer was made and coated to the Ultimum Ti silk, can make birth control apparatus under 36 ℃ of-37 ℃ of body temperature, recover its configuration, birth control apparatus occupies in the uterine cavity about 3/4ths space, solved thoroughly that existing birth control apparatus is prone to come off, phenomenons such as pregnancy with IVD in situ, hemorrhage, infection and incarceration; Show through animal experiment and clinical data: use birth control apparatus of the present invention to cause in external force under the state of uterine contraction, expulsion rate is zero; On the low side and the contraceptive failure phenomenon that causes of birth control apparatus placement location does not appear; Do not occur hemorrhage and the infection phenomenon, using 12 month to date mortalitys is zero; Birth control apparatus of the present invention does not need to use simultaneously copper particle to discharge contraception, does not need to carry any medicine yet, and is without any side effects to human body, the life-time service no sequel.Another outstanding feature of the present invention is: place with convenient to remove, pain is extremely slight.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention, is the planform of preceding netted of main signal, and back netted planform of birth control apparatus is identical with accompanying drawing 1; Accompanying drawing 2 is side-looking structural representations of accompanying drawing 1, mainly illustrates left netted planform of birth control apparatus that is:, and right netted planform of birth control apparatus is identical with the planform on netted an of left side; Accompanying drawing 3 is plan structure sketch maps of accompanying drawing 1, mainly illustrates last netted planform of birth control apparatus that is:, and following netted planform of birth control apparatus is identical with last netted planform.
The specific embodiment
The contrast accompanying drawing, the present invention will be further described.
Birth control apparatus of the present invention has changed the design that existing birth control apparatus is planar structure, birth control apparatus has 6 netted that makes with the Ultimum Ti silk, Ultimum Ti silk outer wall coats silastic-layer, 6 netted faces interconnect, make and form cavity in the birth control apparatus, preceding netted 10 frame that a likeness in form triangle is arranged of birth control apparatus, that is: the frame of likeness in form triangle is meant with the triangle to be base shape, place, three angles adopts camber line to be connected with straight flange respectively, the frame upper end is a straight flange 1, the lower end is little arc limit 3, straight flange 1 one ends are connected with little arc limit 3 one ends by the first long arc limit 2, straight flange 1 other end is connected with little arc limit 3 other ends by the second long arc limit 4, several cross-brace muscle 5 and several longitudinal bracing muscle 6 are set in the frame, cross-brace muscle 5 and longitudinal bracing muscle 6 are provided with according to birth control apparatus model size, cross-brace muscle 5 and longitudinal bracing muscle 6 intersect formation mesh 7, the shape and structure that the back is netted 11 is identical with preceding netted 10 shape and structure, and preceding netted 10 edge and back adopt several side brace rods 8 to be connected to form netted an of left side between netted 11 edge, right netted, last netted reaches netted down.
For weight reduction, increase the volume of birth control apparatus simultaneously, can all be arranged to outside convex shape with preceding netted 10 and back netted 11.
Intensity for four netted of the upper and lower, left and right that increase birth control apparatus, between described side brace rod 8, adopt side dowel 9 to connect, the quantity of side brace rod 8 and side dowel 9, birth control apparatus setting according to different model, for example: side brace rod 8 is 10,22 or 30 etc., and side dowel 9 is 3,6 or 10 etc.
The further preferred version that the present invention draws birth control apparatus through research experiment be described before the distance L 1 at netted 10 the widest part two ends be 2-3.5 centimetre, the length L 2 of preceding netted 10 straight flange 1 is 0.8-1.5 centimetre, and preceding netted 10 height H is 2.5-3.5 centimetre.
The further preferred scheme of the present invention is: the distance L 3 between netted 11 outermost end of preceding netted 10 outermost end and back is 1.2-2.7 centimetre.
The transverse width on little arc of the present invention limit 3 equates with the length L 2 of straight flange 1.
The first long arc limit 2 of the present invention and the second long arc limit 4 constitute by arc limit between straight flange 1 and the little arc limit 3 and straight flange, as shown in Figure 1.
Preserving below 30 ℃ as birth control apparatus use of the present invention is last, the state that remains retracted of being more convenient for, it is accurate further to guarantee to place.
The present invention is not limited among this enforcement.
Claims (5)
1. solid reticulate intrauterine device, it is characterized in that: birth control apparatus has 6 netted that makes with the Ultimum Ti silk, Ultimum Ti silk outer wall coats silastic-layer, 6 netted faces interconnect, make and form cavity in the birth control apparatus, there is the frame of a likeness in form triangle preceding netted (10) of birth control apparatus, the frame upper end is straight flange (1), the lower end is little arc limit (3), straight flange (1) one end is connected with little arc limit (3) one ends by the first long arc limit (2), straight flange (1) other end is connected with little arc limit (3) other end by the second long arc limit (4), several cross-brace muscle (5) and several longitudinal bracing muscle (6) are set in the frame, cross-brace muscle (5) and longitudinal bracing muscle (6) intersect formation mesh (7), the shape and structure of back netted (11) is identical with the shape and structure of preceding netted (10), and preceding netted (10) edge and back adopt several side brace rods (8) to be connected to form netted an of left side between netted (11) edge, right netted, last netted reaches netted down.
2. a kind of solid reticulate intrauterine device according to claim 1 is characterized in that: preceding netted (10) and back netted (11) are all to outer lug.
3. a kind of solid reticulate intrauterine device according to claim 1 and 2 is characterized in that: adopt side dowel (9) to connect between the side brace rod (8).
4. a kind of solid reticulate intrauterine device according to claim 1, it is characterized in that: the distance L 1 at preceding netted (10) the widest part two ends is 2-3.5 centimetre, the length L 2 of preceding netted (10) straight flange (1) is 0.8-1.5 centimetre, and the height H of preceding netted (10) is 2.5-3.5 centimetre.
5. according to claim 2 or 4 described a kind of solid reticulate intrauterine devices, it is characterized in that: the distance L 3 between netted (11) outermost end of preceding netted (10) outermost end and back is 1.2-2.7 centimetre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100159055A CN101554346B (en) | 2009-05-26 | 2009-05-26 | Solid reticulate intrauterine device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100159055A CN101554346B (en) | 2009-05-26 | 2009-05-26 | Solid reticulate intrauterine device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101554346A CN101554346A (en) | 2009-10-14 |
| CN101554346B true CN101554346B (en) | 2010-09-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100159055A Expired - Fee Related CN101554346B (en) | 2009-05-26 | 2009-05-26 | Solid reticulate intrauterine device |
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| Country | Link |
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| CN (1) | CN101554346B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101779994B (en) * | 2010-01-15 | 2011-03-23 | 王磊光 | Three-dimensional intrauterine device |
| CN102657568B (en) * | 2012-04-26 | 2013-12-04 | 王磊光 | Uterine spherical silicon rubber intrauterine device |
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2009
- 2009-05-26 CN CN2009100159055A patent/CN101554346B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101554346A (en) | 2009-10-14 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CI01 | Correction of invention patent gazette |
Correction item: Inventor Correct: Qiu Yi|Wang Leiguang|Qiu Jianing|Wang Xue|Zhang Lihong|Zhang Yanping|Wang Sumei False: Yue Yi|Wang Leiguang|Qiu Jianing|Wang Xue|Zhang Lihong|Zhang Yanping|Wang Sumei Number: 35 Volume: 26 |
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| CI03 | Correction of invention patent |
Correction item: Inventor Correct: Qiu Yi|Wang Leiguang|Qiu Jianing|Wang Xue|Zhang Lihong|Zhang Yanping|Wang Sumei False: Yue Yi|Wang Leiguang|Qiu Jianing|Wang Xue|Zhang Lihong|Zhang Yanping|Wang Sumei Number: 35 Page: The title page Volume: 26 |
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| ERR | Gazette correction |
Free format text: CORRECT: INVENTOR; FROM: YUE YI WANG LEIGUANG QIU JIANING WANG XUE ZHANG LIHONG ZHANG YANPING WANG SUMEI TO: QIU YI WANG LEIGUANG QIU JIANING WANG XUE ZHANG LIHONG ZHANG YANPING WANG SUMEI |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20150526 |
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| EXPY | Termination of patent right or utility model |