CN204411072U - A kind of recoverability umbrella common oviduct IUD - Google Patents
A kind of recoverability umbrella common oviduct IUD Download PDFInfo
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- CN204411072U CN204411072U CN201420821753.4U CN201420821753U CN204411072U CN 204411072 U CN204411072 U CN 204411072U CN 201420821753 U CN201420821753 U CN 201420821753U CN 204411072 U CN204411072 U CN 204411072U
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Abstract
The utility model discloses a kind of recoverability umbrella common oviduct IUD, this birth control apparatus comprises body, the apical head of body is provided with the agnail of umbrella-shaped structure, the end of body is provided with the ring body of flat-shaped hollow-core construction, ring body is provided with a through hole, be provided with barb and calabash shaped between agnail and ring body protruding, agnail, barb, calabash shaped are protruding, ring body and body are formed in one structure, carrier is medical-grade plastics conduit.This utility model reasonable in design, adopts integrated formed structure and macromolecular material to make, safe and reliable, not only can reduce salpingitic generation after placing but also can ensure the effectiveness that blocks fallopian tube after it is placed.Can be used for women of child-bearing age's birth control surgery, and other contraceptives.Without the need to operating on, painless, easy to operate, most women of child-bearing age acceptable efficient, safe, nontoxic, without abnormal, without carcinogenic, can lead to again, uncomplicated contraceptive device.
Description
Technical field
The present invention relates to a kind of birth control apparatus, particularly relate to a kind of recoverability umbrella common oviduct IUD.
Background technology
Fallopian tube contraception all plays an important role in the population control of developing country and developed country.Clinically applied multiple method, domestic and international light birth control apparatus just has kind more than ten, but mostly there is the easily vulnerable shortcoming of ureteral, and once needs fertility must lead to operation again even logically still cannot to give birth to through multiple.And long certain side effect and danger in addition standing time.Betide intrauterine device place after more, the salpingitis of ectopic pregnancy and endometriosis etc. also often occur, the many implantations of pregnant capsule are in fallopian tube and the symptoms such as development growth.
Hysteroscope Essure/Adiana micro-bolt tubal sterilization that current food and drug administration (Food and Drug Administration FDA) is approved is permanent sterillization measure, fallopian tube is blocked by causing cicatrix and fibroplasia, without recoverability, limit its Clinical practice to a certain extent.Within 2002, be applied to clinical through U.S. FDA approval Essure.After the micro-bolt of Essure is placed into fallopian tube, surrounding tissue can be caused to produce local inflammation reaction, make smooth muscle and proliferation of fibrous tissue, cause therapy of oviduct total blockage, thus reach sterillization object.Adiana sterilisation method is a kind of methods of sterilisation similar with Essure principle, and it enters in fallopian tube by a kind of silicone rubber skewer of nonabsorable under ultrasound guidance, utilizes controlled fallopian tube internal layer hot injury, fibrocyte is inwardly grown thus reaches contraception object.
Tubal ligation or silver brain clip exist through abdominal operation damage large, and need anesthesia, recovery time is long, leaves the deficiencies such as cicatrix.The taking-up of the hysteroscope Essure/Adiana sterilization operation embolus of current U.S. FDA accreditation need carry out abdominal operation.And reparable fallopian tube contraception equipment places this development birth control apparatus under direct-view of hysteroscope, transvaginal is performed the operation, and does not need to operate on, without wound, foreign sense, easily take out, is easily accepted by the women of child-bearing age.
The material of polyethylene " I the is gloomy " compound that reparable fallopian tube contraception equipment adopts du pont company to produce itself is exactly the timbering material of first generation lippes loop (Lippes is bent) and second generation IUD TM380 ring.There is good biocompatibility.The direct compliance of polyethylene is good, little to the stimulation of tube wall, and its postoperative untoward reaction is few, and the women of child-bearing age can accept.So adopting " I is gloomy " compound to be material is have reliable biological safety.
The apparatus drug market demand that avoids conception and control birth is huge.At present, still in rising trend in the use of China's intrauterine device (IUD), accounting for and take the contraceptives women of child-bearing age's 50%, is use the most general contraceptive device.Time health organization (WHO) the statistics display of 2002, existing 1.56 hundred million women in the whole world use IUD, and Chinese user almost accounts for 2/3 of the world.The situation that China's family planning system in 2000 utilizes national specific project expenditure to buy contraceptive medicines and devices is: national recommended products intrauterine device (IUD) 1977.8 ten thousand yuan; Active intrauterine device 713.3 ten thousand yuan; Oral, injection, external applied contraceptive 9513.7 ten thousand yuan; Condom 11.3 hundred million; Subdermal implants and 2.9 hundred million yuan, long-acting pin.2006, the hormonal contraceptive product market value in the whole world was approximately 6,700,000,000 dollars.
Similar contraceptive product, in utero mirror Essure/Adiana micro-bolt tubal sterilization price of FDA accreditation is approximately 1300 dollars.If the success of this development reparable fallopian tube contraception equipment, inherently occupy the market share of the apparatus medicine that avoids conception and control birth of part, larger economic benefit can be obtained.
Summary of the invention
Goal of the invention: the object of the invention is to solve deficiency of the prior art, there is provided a kind of safe and reliable, not only can reduce salpingitic generation after placing but also the effectiveness that after it is placed, fallopian tube blocked can have been ensured, without affect sexual life, the recoverability contraceptive device of also convenient taking-up simultaneously.Can be used for women of child-bearing age's birth control surgery, and other contraceptives.Without the need to operating on, painless, easy to operate, most women of child-bearing age acceptable efficient, safe, nontoxic, without abnormal, without carcinogenic, can lead to again, uncomplicated contraceptive device.In a word, can practise contraception, the recoverability umbrella common oviduct IUD of fertility can be led to again again.
Technical scheme: a kind of recoverability umbrella common oviduct IUD of the present invention, comprise body, the apical head of described body is provided with the agnail of umbrella-shaped structure, the end of described body is provided with the ring body of flat-shaped hollow-core construction, described ring body is provided with a through hole, be provided with barb and calabash shaped between described agnail and described ring body protruding, described agnail, barb, calabash shaped are protruding, ring body and described body are formed in one structure.
As optimization, described agnail is made up of the umbrella agnail that four are divided equally.
As optimization, protruding even or uneven, the isometric or Length discrepancy of described calabash shaped is distributed on described body.
As optimization, the quantity of described calabash shaped projection is 3-8.
As optimization, the length range of described body is 20-35mm, and pore diameter range is 0.3-0.5mm.
As optimization, the angular range of described agnail and described body is 30-60 °.
As optimization, the carrier of described birth control apparatus is medical-grade plastics conduit, and this catheter proximal end indicates number, and inner sleeve has steel wire, and top is smooth arc structure, and front end is helicitic texture.
As optimization, described carrier external diameter is 1.6mm; Length is 450mm.
Beneficial effect: reasonable in design of the present invention, adopts integrated formed structure and macromolecular material to make, safe and reliable, not only can reduce salpingitic generation after placing but also can ensure the effectiveness that blocks fallopian tube after it is placed.Can be used for women of child-bearing age's birth control surgery, and other contraceptives.Without the need to operating on, painless, easy to operate, most women of child-bearing age acceptable efficient, safe, nontoxic, without abnormal, without carcinogenic, can lead to again, uncomplicated contraceptive device.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is conveyer construction schematic diagram of the present invention.
Fig. 3 is the structural representation of agnail of the present invention.
Detailed description of the invention
A kind of recoverability umbrella common oviduct IUD as shown in Figure 1, comprise body, the apical head of described body is provided with the agnail 1 of umbrella-shaped structure, agnail 1 is made up of (structure chart as shown in Figure 3) the umbrella agnail that four are divided equally, the end of described body is provided with the ring body 4 of flat-shaped hollow-core construction, described ring body 4 is provided with a through hole, five the calabash shaped projections 3 being provided with barb 2 between described agnail 1 and described ring body 4 and evenly arranging, pipe diameter before described barb 2 is slightly smaller than barb 2 pipe diameter below, the length range of body is 20-35mm, pore diameter range is 0.3-0.5mm, described agnail 1 is 30-60 ° with the angular range of described body.Described agnail 1, barb 2, calabash shaped projection 3, ring body 4 and described body are formed in one structure, through precision die injection mo(u)lding.
As shown in Figure 2, this carrier is the medical-grade plastics conduit with certain degree of hardness to the carrier of this birth control apparatus, comprises overcoat 5 and inner sleeve 6; Overcoat 5 catheter outer diameter φ 1.6mm; Length 450mm, front end indicates number; Inner sleeve steel wire, top is smooth circular arc, and front end is screw thread.
The material of this common oviduct IUD adopts Dupont polyethylene compound (I is gloomy).Current domestic conventional IUD-Tcu, 380A, Tcu 220C, parent happy 375, IUD uses this raw material, there is good biocompatibility, without three causing (nontoxic, without abnormal, without carcinogenic), it is that a kind of composite high-molecular of applying has a kind of that developing material makes and has no side effect and can put and facilitate the contraception apparatus taken out for a long time, and described macromolecular material is by using macromolecular material and modified material.
The present invention contacts Fallopian tube mucosa face by 5 concavo-convex nodes with 2 groups of agnail discontinuity and utilizes top umbrella agnail to support tubal wall and one group, front end barb and supports place of interstitial portion and play double insurance, avoid common oviduct IUD on whole tube wall directly closely compressing cause impact on fallopian tube cilium and secretory cell.After Senile Mouse shows that this birth control apparatus is implanted, to uterine tubal epithelium, there is the effect of short-term inflammatory stimulus, but it is temporary transient on the impact of uterine tubal epithelium mucous layer, along with Implantation Time extends, uterine tubal epithelium inflammatory reaction is faded, the fine hair of its tube wall is repaired gradually, shows that fallopian tube recanalization has the organization foundation of recoverability.This common oviduct IUD can reach contraceptive effect by multiple node:
1. mechanical obstruction therapy of oviduct, stops entering thus blocking sperm ovum binding of sperm;
2. birth control apparatus is placed in fallopian tube lumen affects its normal creepage of gastrointestinal functions, and sperm runs and germ cell transports all effected;
3. smart capacitation is affected;
4. the formation of Oviductal Fluid is affected.
Leading portion is that " umbrella " shape is agnail, front end is barb, centre is calabash shaped node, tail end is cavity ring.Described leading portion umbrella agnail is apical head, and is divided into four, forms one the umbrella-shaped structure opened.Described front end is splayed configuration.Described middle calabash shaped node be divide equally continuously or do not divide equally, five sags and crests that length is consistent or inconsistent.Described tail end cavity ring be integrated with whole birth control apparatus.And being designed to flat-shaped, there is a through hole centre.The present invention is the macromolecular material made after mixing granulation by macromolecular material, through being injected into umbrella integrally, calabash, cavity ring structure.
Utilize umbrella portion shape principle, top circular arc can play lubrication and the effect of damping, umbrella portion can between fallopian tube and interstitial portion four point positioning, reduce this device expulsion rate, agnail plays second slip-off preventing safety effect.Five joint drum types play and stop ovum and sperm to meet.Afterbody prevents common oviduct IUD entirety from penetrating in fallopian tube cavity and when getting, and only conveniently need take out common oviduct IUD with ring-removing forceps.
Clinical manipulation of the present invention is convenient, under direct-view of hysteroscope, display uterine cavity and bilateral salpingo opening, carrier carries about 5 ~ 8mm in straight fallopian tube opening through handle hole, slowly common oviduct IUD is pushed interstitial tubal by inner sleeve medical stainless steel silk, birth control apparatus exits carrier after implanting again.In a word, this birth control apparatus is implanted and is taken out easy.
Claims (8)
1. a recoverability umbrella common oviduct IUD, it is characterized in that: comprise body, the apical head of described body is provided with the agnail (1) of umbrella-shaped structure, the end of described body is provided with the ring body (4) of flat-shaped hollow-core construction, described ring body (4) is provided with a through hole, be provided with barb (2) and calabash shaped projection (3) between described agnail (1) and described ring body (4), described agnail (1), barb (2), calabash shaped projection (3), ring body (4) and described body are formed in one structure.
2. a kind of recoverability umbrella common oviduct IUD according to claim 1, is characterized in that: described agnail (1) is made up of the umbrella agnail that four are divided equally.
3. a kind of recoverability umbrella common oviduct IUD according to claim 1, is characterized in that: even or uneven, the isometric or Length discrepancy of described calabash shaped projection (3) is distributed on described body.
4. a kind of recoverability umbrella common oviduct IUD according to claim 1 or 3, is characterized in that: the quantity of described calabash shaped projection (3) is 3-8.
5. a kind of recoverability umbrella common oviduct IUD according to claim 1, is characterized in that: the length range of described body is 20-35mm, and pore diameter range is 0.3-0.5mm.
6. a kind of recoverability umbrella common oviduct IUD according to claim 1, is characterized in that: described agnail (1) is 30-60 ° with the angular range of described body.
7. a kind of recoverability umbrella common oviduct IUD according to claim 1, is characterized in that: the carrier of described birth control apparatus is medical-grade plastics conduit, and this catheter proximal end indicates number, and inner sleeve has steel wire, and top is smooth arc structure, and front end is helicitic texture.
8. a kind of recoverability umbrella common oviduct IUD according to claim 7, is characterized in that: described carrier external diameter is 1.6mm; Length is 450mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420821753.4U CN204411072U (en) | 2014-12-23 | 2014-12-23 | A kind of recoverability umbrella common oviduct IUD |
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| CN201420821753.4U CN204411072U (en) | 2014-12-23 | 2014-12-23 | A kind of recoverability umbrella common oviduct IUD |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523362A (en) * | 2014-12-23 | 2015-04-22 | 南通伊诺精密塑胶导管有限公司 | Recoverable umbrella-shaped fallopian tube intrauterine device |
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- 2014-12-23 CN CN201420821753.4U patent/CN204411072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104523362A (en) * | 2014-12-23 | 2015-04-22 | 南通伊诺精密塑胶导管有限公司 | Recoverable umbrella-shaped fallopian tube intrauterine device |
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