CN2803318Y - Memory alloy medicinal copper intrauterine ring - Google Patents
Memory alloy medicinal copper intrauterine ring Download PDFInfo
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- CN2803318Y CN2803318Y CN 200520108922 CN200520108922U CN2803318Y CN 2803318 Y CN2803318 Y CN 2803318Y CN 200520108922 CN200520108922 CN 200520108922 CN 200520108922 U CN200520108922 U CN 200520108922U CN 2803318 Y CN2803318 Y CN 2803318Y
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- copper
- bow
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- memorial alloy
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Abstract
The utility model discloses an intrauterine contraceptive ring with memory alloy medicinal copper, which comprises a bow-shaped supporting frame which is made of shape memory alloy wires, and copper granule-shaped plugs which are arranged on the ends of two arms of the supporting frame, wherein the diameter of the copper granule-shaped plugs is from 2.3 to 2.45 millimeters, and the length is from 7.2 to 8 millimeters; the end parts of the copper granule-shaped plugs are in a hemisphere shape, the middle parts are in a cylindrical shape, and the positions which are connected with the bow-shaped supporting frame are in a hemisphere shape. The utility model effectively solves the problem that the side reaction is serious because the diameter of the copper granules which are made according to the prior art is oversize. The utility model provides reasonable shape and size of the copper granules to reduce the side reaction and ensure contraceptive effect. Furthermore, the supporting frame is provided with medicine containing silicone tubes, therefore physical property discomfortable feeling after the insertion of the contraceptive ring is effectively released.
Description
Technical field
This utility model belongs to medical apparatus, is specifically related to a kind of women assembly of intra-uterine contraceptive apparatus, memorial alloy medicine copper intrauterine contraceptive device in utero.
Background technology
Intrauterine device is a kind of both at home and abroad long-acting and reversible contraceptive device that has, and at present, birth control apparatus commonly used is divided into inertia birth control apparatus and active birth control apparatus.The inertia birth control apparatus is made with inert material, as rustless steel, plastic nylon class and silicone rubber etc.Its physicochemical property is stable, and itself does not discharge any active substance, as single steel intrauterine device, Flos Cannabis ring, hybrid ring, flower type contraceptive ring, uterus shape contraceptive ring, Ota ring, snakelike birth control apparatus etc.Because the contraceptive effect of inertia birth control apparatus is relatively poor, gradually superseded both at home and abroad, and replaces it with active birth control apparatus.Active intrauterine device; Be meant and utilize birth control apparatus to be carrier, have metal, progestogen, haemostatic medicament and magnetic materials such as copper or zinc, insert uterine cavity after, slow release of active agent, thus increase contraceptive effect, reduce the intrauterine device of a new generation of side effect.
Active birth control apparatus commonly used at present is: band copper T type birth control apparatus, silicone rubber silasticcopperVIUD, the cupric birth control apparatus of loading, the high support force ring of band copper etc. still exist easily to come off more; Problems such as side reaction is big, and the metrorrhagia incidence rate is high slightly: most cupric birth control apparatus have tailfiber, easily produce cross infection.
China's utility model patent 94200780.8 disclosed marmem cupric birth control bows, this birth control bow is made up of body and copper granular plug two parts, body divides three parts, top is arcuate openings shape bow arm, the middle part is the bow body, the lower end supports choma for fetching and delivering, and the shape of bow body is the crooked folding of the shield edge shape strip that symmetry is outwards protruded, and only in the opening shape bow arm termination of body copper granular plug is set.This utility model birth control bow has carried out many improvement technically, its support form is a shield edge shape, reduced the elastic force of birth control apparatus, and simplified the operation technique program, though it has removed the copper tube on the bow arm, reduced the cupric area of birth control apparatus and the own wt of birth control apparatus, reduced the generation of side reaction, but because the diameter of its shot copper is bigger, it is very difficult to pick and place ring, and side reaction is big.And the main body of this birth control bow is to be made by the marmem of 0.6-0.8MM, and hardness, elastic force are big, and flexible poor, the side reaction that brings thus is big.
Problem at above-mentioned birth control bow, China's utility model patent 02281411.6 memorial alloy copper intrauterine devices improves again this, the diameter of the memorial alloy of bow body and the diameter of shot copper all have minimizing, but memory alloy wire does not still reach best elastic force, side reaction still is reduced to minimum point, pick and place the ring difficulty, brought misery, also be not easy to the doctor and execute art to the patient.
In sum, one of problem that existing intrauterine contraceptive device in utero exists: the size of shot copper with execute the convenience of art and the problem of the contradiction between the contraceptive effect, diameter is excessive to cause the side reaction increasing, executes the art difficulty, shot copper is too small, the too small contraceptive effect that influences of the surface area of copper.Another problem is that the wire diameter of support is excessive, causes the elastic force of birth control apparatus big, and side reaction strengthens, and is easy to produce the uncomfortable problem of physical properties such as metrorrhagia incidence rate height and infection thus.
The content of utility model
Primary and foremost purpose of the present utility model is in order to overcome the defective of prior art, rational shot copper shape and size to be provided, reduce the diameter of shot copper as far as possible, because the excessive generation side reaction of shot copper diameter, and guarantees contraceptive effect to reduce.
Another purpose of the present utility model is to insert the physical property discomfort that the back is produced in order effectively to alleviate intrauterine contraceptive loop.
Another purpose of the present utility model is for the elastic force that overcomes existing intrauterine device is big, to reduce side reaction, reduces the user uncomfortable feeling.
For achieving the above object, the technical solution of the utility model is: a kind of memorial alloy medicine copper intrauterine contraceptive device in utero, comprise shape-memory alloy wire arciform support of making and the copper granular plug that is located at support two arm ends, the diameter of described copper granular plug is 2.3-2.45mm, length is 8.0-7.2mm, its end is a blunt circle or hemispherical, and the middle part is cylindric, with arciform support junction be the smooth curved surface transition.
Best, on described arciform support, be arranged with the pastille silica gel tube.Insert the physical property malaise symptoms that the back is produced with effective control and alleviation intrauterine contraceptive loop.
Best, the diameter of the marmem of described support is 0.45-0.55mm.Reducing the elastic force of memory alloy wire, reduce that elastic force is excessive to bring discomfort to user, intrauterine device will be relaxed with contracting of uterus actuate, make intrauterine device be difficult for being shifted, coming off downwards.
Wherein, described arciform support comprise a U-shaped support choma, two expand outwardly along the split ring end stretch out and symmetrically arranged bow body and two along the bow body expand outwardly and symmetric bow arms, described copper granular plug is located at the end of bow arm: described bow body is divided into two parts, is the curved crease line shape that outwards protrudes between first and the second portion.
Wherein, described pastille silica gel tube is set on the entire bracket; Perhaps described pastille silica gel tube is set in the bow arm or/and on the bow body.
Best, the described radius that supports choma is 1.6-1.7mm.
Best, the angle a between the described two bow arms is the 117-120 degree; Angle between described bow body first and the bow arm is 130 degree; Angle between described bow body first and the second portion is 170 degree; Bow body second portion is 150 degree with the straight line portion angle that supports choma.
Best, the distance between the two copper granular plug end mid points is respectively 29-33mm.
Best two copper granular plug end mid point to the distances that support choma are 24-26mm.
Owing to adopt technique scheme, reduce the diameter of the shape-memory alloy wire of support, help improving the flexibility of support, reduce the elastic force of marmem, reduce side reaction, reduce the user uncomfortable feeling; Sheathed pastille silica gel tube on support simultaneously can play therapeutical effect to the uncomfortable reaction of some physical properties that intrauterine contraceptive loop is inserted appearance.
This utility model further improves the surface area and the shape of copper granular plug, make it have rational surface area, too small to overcome surface area, do not reach contraceptive effect, but also to avoid the surface area of shot copper excessive, increase side reaction, and change into shot copper and support junction hemispherical, make connection everywhere more level and smooth, to reduce uncomfortable feeling.
This utility model further reduces the radius that supports choma, can make to pick and place ring easily, reduces picking and placeing misery and the discomfort that ring brings to user.
To sum up, of the present utility model structurally more reasonable, its form design meets the movable mechanics principle in human body uterus, the flexibility of support increases, and rational shot copper diameter, shape and surface area, can either improve contraceptive effect, simultaneously can side reaction will be hanged down, intrauterine device itself has the function that repel in anti-uterus, intrauterine device will be relaxed with contracting of uterus actuate, and makes intrauterine device be difficult for being shifted, coming off downwards.This intrauterine device adopts shape-memory alloy wire to make, and is corrosion-resistant, resisting fatigue have the favorable tissue compatibility and under the human body temperature state, can keep given shape, intrauterine device can not come off from intrauterine, keep contraceptive effect.
Description of drawings
Fig. 1 is the structural representation of this utility model memorial alloy medicine copper intrauterine contraceptive device in utero first embodiment;
Fig. 2 is the structural representation of this utility model memorial alloy medicine copper intrauterine contraceptive device in utero second embodiment;
Fig. 3 is the structural representation of this utility model memorial alloy medicine copper intrauterine contraceptive device in utero the 3rd embodiment;
The specific embodiment
Referring to accompanying drawing 1, showed memorial alloy medicine copper intrauterine contraceptive device in utero of the present utility model among the figure, comprise arciform support 1 and the copper granular plug 2 that is located at 1 liang of arm end of support, the diameter of copper granular plug 2 is 2.4mm, and length is 7.6mm, its end 21 is hemispherical, also can be similar hemispheric other blunt roundeds, its middle part 22 is cylindric, with arciform support 1 junction be the smooth curved surface transition, for example: for hemispherical, or half American football shape.
Described support 1 is made by shape-memory alloy wire, and the diameter of the shape-memory alloy wire of 1 support 1 is 0.50mm, and is provided with pastille silica gel tube 3 on described arciform support 1, and pastille silica gel tube 3 covers whole arciform support 1.
Wherein, described support 1 is arciform, it comprise a U-shaped support choma 11, two along split ring 11 ends expand outwardly stretch out and symmetrically arranged bow body 12 and two bow arm 13, two bow arms 13 that expand outwardly along bow body 12 and symmetrically arranged between angle α be 117 degree; : described copper granular plug 2 is located at the end of bow arm 13.Described bow body 12 is divided into two parts, is the curved crease line shape that outwards protrudes between first 121 and the second portion 122.Angle β between described bow body first 121 and the bow arm 13 is 130 degree; Angle theta between described bow body first 121 and the second portion 122 minutes is 170 degree, and bow body second portion 122 is 150 degree with the straight line portion 111 angle γ that support choma 11.
The arc radius that supports choma 11 is 1.6mm, and (also claim: the anaerobic shot copper) distance between the mid point of end is respectively 27mm to two copper granular plugs 2; Two shot copper end mid points to the distance that supports the choma middle part is 26mm.
In the present embodiment, the diameter of copper granular plug 2 is 2.4mm, and length is 7.6mm, the diameter of its shot copper is less, thereby can reduce side reaction, and it has enough copper surface areas, can guarantee contraceptive effect, prove that its contraceptive effect can reach 98% through clinical trial.And on entire bracket, be arranged with pastille silica gel tube 3, can play the therapeutical effect of anti-inflammatory analgetic.And then, the diameter wiry of support 1 is that 0.5mm selects the less tinsel of diameter to help reducing side reaction, because it adopts thinner diameter, make that the support of intrauterine device can free shrink and extension along with uterine contraction, it is flexible better, make intrauterine device be difficult for moving down and come off, this support adopts memory alloy wire to make, and corrosion-resistant, resisting fatigue, has the favorable tissue compatibility; Further, its arc radius that supports choma 11 is 1.6mm, and it reduces with respect to size of the prior art, and it is easier to make when putting ring gets ring, is easy to execute art, easy to operate.
Referring to Fig. 2, embodiment two, and be with the difference of a last embodiment: the diameter of copper granular plug 2 is 2.35mm, and length is 7.9mm; Angle a between the two bow arms 13 is 120 degree; The diameter wiry of described support 1 is 0.48mm; Pastille silica gel tube 3 is located on two bow arms 13 and 12 minutes the second portion of bow body 122.Present embodiment has reduced diameter wiry, and the diameter of shot copper, all can reduce side reaction, and in order to guarantee contraceptive effect, the length of its shot copper is 7.9mm, and the surface area of shot copper is not reduced, and clinical test results shows that its contraceptive prevalence rate is 98%.
Referring to Fig. 3, embodiment three, and be with embodiment one difference: the diameter of described copper granular plug 2 is 2.45mm, and length is 7.3mm, and its described radius that supports choma 11 is 1.7mm; Angle between the two bow arms 13 is 120 degree; The diameter wiry of described support 1 is 0.52mm; Also have some differences to be: to cancel described pastille silica gel tube 3.The slightly larger in diameter with respect to embodiment one of the memory alloy wire of present embodiment support 1, but it is still very little with respect to its diameter of prior art, help reducing side reaction, also choose bigger slightly sizes with the diameter of corresponding its shot copper of stent diameter, the surface area of its shot copper guarantees at the contraceptive effect required value, show that through clinical trial its contraceptive prevalence rate can reach 97.5%.
Intrauterine device of the present utility model can be made the various models that vary in size, and at this moment, need to select distance between the two different copper granular plug end mid points and two copper granular plug end mid points to the distance that supports choma.This utility model memorial alloy intrauterine device needs push uterine cavity by a conveying lever (prior art) in delivering to uterine cavity the time, and is simple to operation.
Claims (10)
1. memorial alloy medicine copper intrauterine contraceptive device in utero, comprise shape-memory alloy wire arciform support of making and the copper granular plug that is located at support two arm ends, it is characterized by: the diameter of described copper granular plug is 2.3-2.45mm, length is 8.0-7.2mm, its end is a blunt circle or hemispherical, the middle part be cylindric, with arciform support junction be the smooth curved surface transition.
2. memorial alloy medicine copper intrauterine contraceptive device in utero according to claim 1 is characterized by: be arranged with the pastille silica gel tube on described arciform support.
3. memorial alloy medicine copper intrauterine contraceptive device in utero according to claim 2, it is characterized by: the diameter of the marmem of described support is 0.45-0.55mm;
4. according to claim 1 or 2 or 3 described memorial alloy medicine copper intrauterine contraceptive device in utero, it is characterized by: described arciform support comprise a U-shaped support choma, two expand outwardly along the split ring end stretch out and symmetrically arranged bow body and two along the bow body expand outwardly and symmetric bow arms, described copper granular plug is located at the end of bow arm: described bow body is divided into two parts, is the curved crease line shape that outwards protrudes between first and the second portion.
5. memorial alloy cupric intrauterine contraceptive device in utero according to claim 4 is characterized by: described pastille silica gel tube is set on the entire bracket; Perhaps described pastille silica gel tube is set in the bow arm or/and on the bow body.
6. memorial alloy cupric intrauterine contraceptive device in utero according to claim 4 is characterized by: the described radius that supports choma is 1.6-1.7mm.
7. memorial alloy medicine copper intrauterine contraceptive device in utero according to claim 4 is characterized by: the angle a between the described two bow arms is the 117-120 degree: the angle between described bow body first and the bow arm is 130 degree: the angle between described bow body first and the second portion is 170 degree: bow body second portion is 150 degree with the straight line portion angle that supports choma.
8. according to claim 1 or 2 or 3 described memorial alloy medicine copper intrauterine contraceptive device in utero, it is characterized by: the distance between the two copper granular plug end mid points is respectively 29-33mm; Two copper granular plug end mid point to the distances that support choma are 24-26mm.
9. memorial alloy medicine copper intrauterine contraceptive device in utero according to claim 4 is characterized by: the distance between the two copper granular plug end mid points is respectively 29-33mm; Two copper granular plug end mid point to the distances that support choma are 24-26mm.
10. memorial alloy medicine copper intrauterine contraceptive device in utero according to claim 5 is characterized by: the distance between the two copper granular plug end mid points is respectively 29-33mm; Two copper granular plug end mid point to the distances that support choma are 24-26mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520108922 CN2803318Y (en) | 2005-06-09 | 2005-06-09 | Memory alloy medicinal copper intrauterine ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520108922 CN2803318Y (en) | 2005-06-09 | 2005-06-09 | Memory alloy medicinal copper intrauterine ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2803318Y true CN2803318Y (en) | 2006-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520108922 Expired - Fee Related CN2803318Y (en) | 2005-06-09 | 2005-06-09 | Memory alloy medicinal copper intrauterine ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2803318Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102232885A (en) * | 2010-04-26 | 2011-11-09 | 赵洪 | Safe open intrauterine device |
| CN108309544A (en) * | 2018-03-05 | 2018-07-24 | 辽宁爱母医疗科技有限公司 | A kind of intrauterine device holder |
-
2005
- 2005-06-09 CN CN 200520108922 patent/CN2803318Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102232885A (en) * | 2010-04-26 | 2011-11-09 | 赵洪 | Safe open intrauterine device |
| CN102232885B (en) * | 2010-04-26 | 2014-12-03 | 赵洪 | Safe open intrauterine device |
| CN108309544A (en) * | 2018-03-05 | 2018-07-24 | 辽宁爱母医疗科技有限公司 | A kind of intrauterine device holder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING SHENG YIN XIN LI MEDICAL TECHNOLOGY CO., L Free format text: FORMER OWNER: ZHAO HONG Effective date: 20090918 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090918 Address after: C1, East Zone, Shijingshan Park, Zhongguancun science and Technology Park, Beijing, 100041 Patentee after: Beijing Shengyin Xinli Medical Technology Co., Ltd. Address before: Beijing City, Haidian District Yongfeng Road No. 99 yihushanzhuang Yuhua garden 25, zip code: 100094 Patentee before: Zhao Hong |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHAO HONG Free format text: FORMER OWNER: BEIJING SHENGYIN XINLI MEDICAL TECHNOLOGY CO., LTD. Effective date: 20100908 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100041 C1, EAST ZONE, SHIJINGSHANYUAN, ZHONGGUANCUN SCIENCE PARK, BEIJING TO: 100094 NO.25, YUHUAYUAN, YIHESHANZHUANG, NO.99, YONGFENG MIDDLE ROAD, HAIDIAN DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100908 Address after: 100094 Beijing City, Haidian District Yongfeng Road No. 99 yihushanzhuang Yuhua garden 25 Patentee after: Zhao Hong Address before: 100041 C1, East Zone, Shijingshan Park, Zhongguancun science and Technology Park, Beijing Patentee before: Beijing Shengyin Xinli Medical Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060809 Termination date: 20140609 |