57results about How to "Good contraceptive effect" patented technology

A transdermal drug delivery device for reducing the risk of pregnancy in overweight women is disclosed. Methods of using the device are also disclosed. When used in accordance with the disclosed methods, the probability that the device will be effective in overweight women is approximately equal to or greater than the probability that the device would be effective in the case of a woman who is not overweight.

The invention relates to a female intrauterine contraception apparatus, in particular to a nanometer memory alloy intrauterine contraception device which comprises a memory alloy stent and a composite material body which is connected with the stent. An anal filament can be provided or not. The female intrauterine contraception apparatus is characterized in that the composite material body is compounded and manufactured by contraception activity materials and polymer materials. The contraception activity materials comprise at least one of nanometer copper oxide particles and micron copper oxide particles. The intrauterine contraception device of the invention has the advantages of low abscission rate, high contraception rate, long-term usage, small stimulation on endometrium, insignificant side effects and high usage of the copper, which can equably and steadily release copper ions, is suitable for relatively anoxic environment of uterus and can be placed in a conveyor for long time, etc. In addition, the female intrauterine contraception apparatus has unexpected effect that the composite materials help the memory alloy stent to prevent the abscission, so that the abscission rate of the intrauterine contraception device of the invention is lower.

The nano composite material for intrauterine birth control device consists of nano metal particle in the content of 0.5-50 wt% and biocompatible polymer. The said nano metal particle is nano copper particle, nano copper particle, nano zinc particle and / or nano silver particle. The nano composite material of the present invention features that the controllable release of the metal ions in some regulation can avoid violent release; and that raising the content in the solution can raise the birth control effect.

The intrauterine device (IUD) of composite material consists of one vertical arm and two arc arms distributed symmetrically about the top of the vertical arm, and has also two spheres in the external ends of two arc arms and one semi-sphere in the bottom of the vertical arm and with anal filament hole in the center. It has the shape between T and Gamma, accords with the morphologic and dynamic requirements of women's uterine. Compared with available IUD, the present invention has simple setting operation without need of dilatation, no damage on endocervix and less pain, bleeding and other side effects.

An occlusive device and a method of embolizing or occluding a bodily lumen by injecting or otherwise implanting the occlusive device are described. The device includes a polymer or polymer composition and a carbon-based material or nanomaterial such as graphene. The device may be used for sterilizing a human or animal by implanting the device into the vas deferens, fallopian tubes, or uterus, but may also be used to occlude any other bodily ducts, interstitial space, or organs.

The invention discloses a reducible fallopian contraceptive element, which is composed of 3-5 concentric circular cylinders on one shaft, wherein the upper surface of shaft and upper bottom of first cylinder is on the same surface, the nickel-cemented alloy filament net is set on the external surface of cylinder and external surface of shaft, the cylinder and shaft is made of polyester film or medical polyester fibre.

An active intra-uterine device (IUD) is prepared from the basic material (low-density polyethene or silicon rubber) and the active substance chosen from steroid hormone contraceptive, Cu particles and copper oxide particles through proportional mixing and blow moulding.

The present invention discloses new use of theasaponin, and uses theasaponin in external spermicidal contraceptive. Theasaponin in relatively concentration can kill sperm fast, and has certain antibiotic effect, low cost and high safety. The extracorporeal spermicidal experiment and rabbit contraceptive experiment show that theasaponin has lowest spermicidal concentration of 2.27 g / l for 20s and 1.19 g / l for 3 min, and rabbit contraceptive rate of 100 % when the amount is 100 mg and 50 mg.

The invention aims at providing a special water-soluble lubricant used for a condom and provided with a composite antibacterial function. The water-soluble lubricant comprises a composite antibacterial factor and a plant nourishing factor, thereby having very good anti-inflammatory and antibacterial functions and being capable of effectively adsorbing and inhibiting vaginal microorganisms and cleaning vaginae, and further comprises the plant nourishing factor, thereby having an excellent nourishment effect on delicate skin. The special water-soluble lubricant disclosed by the invention is prepared from the following components in percentage by weight: 0.5 to 5% of a nano-silver complex antibacterial liquid, 1 to 10% of a cnidium monnieri extracting solution, 1 to 10% of a radix sophorae flavescentis extracting solution, 1 to 10% of a propolis extracting solution, 1 to 10% of a floslonicerae extracting solution, 1 to 10% of a rhubarb extracting solution, 1 to 5% of an aloe vera extracting solution, 1 to 5% of a herba portulacae extracting solution, 1 to 5% of a chamomile extracting solution, 2 to 10% of glycerine, 2 to 10% of propylene glycol, 0.1 to 1% of a preservative, 0.1 to 2.0% of polymer mucopolysaccharide, 0 to 1% of carbomer, 0 to 1% of a 2-sodium acrylate homopolymer, 0 to 2% of hydroxyethyl cellulose, and the balance of sterilized deionized water.

A new and improved hybrid “framed-frameless” copper-releasing contraceptive device (IUD) which is a combination of a plastic retention arm of reduced dimensions to adapt to uterine cavities of smaller size, particularly regarding their transverse width at the fundal level of the uterus, and whose retention arm has a centrally located extension of varying length to be connected with hollow copper tubes which functions as the frameless stem of the IUD, and which consists of loosely connected hollow tubes, threaded on a length of suture, or a thin plastic or metallic stem, or a thin polymeric drug eluting stem, allowing release of copper ions, from the outside and from the inside of the tubes, in the uterine cavity thereby enhancing the contraceptive effect, and of which the bottom tube, is crimped onto the lower end of the stem, including a separate metallic ion-releasing fiber, holding all copper tubes together.

The invention relates to a gynecological anti-bacteria contraception gel with natural effective ingredients and a preparation method thereof, and relates to medical dressings in the technical field ofmedical treatment and public health. The gel is prepared from dandelion herba extractive, lupeol, sasanqua saponin, Chinese pulsatilla root saponin, glycolic acid, xanthan gum, propylene glycol and water. Effective ingredients of the gel are pure natural plant phytoextractions and biotic components, which not only have no injury to the vagina mucous membrane, but also have a good nursing effect for the vagina mucous membrane. The gel has a relatively strong inhibiting effect for common pathogenic bacteria and virus, and cannot damage the normal vagina physiological environment, and thus cannot cause any gynecological infection. The gel compound not only is low in use concentration of natural effective contraception ingredients, but also is reliable in contraception effect, and cannot cause the negative effect of chemical spermicide.

The present invention discloses applications of nanometer active carbon in preparation of family planning products, wherein the family planning products are condoms, the raw materials of the condoms mainly comprise nanometer active carbon and a natural latex liquid, the mass percentage of the nanometer active carbon is 1-3%, the particle size of the nanometer active carbon is 1-100 nm, and a hydroxyl functional group is modified on the surface of the nanometer active carbon. According to the present invention, the nanometer active carbon has the high antibacterial and antivirus effect, has the particle size of 1-500 nm, and can fill the 5000-70000 nm gap in the latex film of the condom, such that the good antibacterial and antivirus function can be provided and the spread of various diseases can be prevented after the nanometer active carbon is added to the latex to prepare the condom; and the lubrication performance of the condom after the nanometer active carbon adding is substantially improved, the flexibility is good, the problems of aging, breaking and the like are not easily generated, the contraception effect is good, and the safety is high.

An intra-uterine contraceptive device with a shape restoring temp not higher than 36.9 deg.C and an elastic value equal to 0.15-0.75 N is made up of TiNi shape memory alloy and copper through making the parts with TiNi shape memory alloy, making the parts with copper, and assembling.

The invention discloses a dual-functional vaginal composite temperature-sensitive hydrogel preparation with effects of contracepting and killing microbes. The hydrogel preparation comprises the following components in parts by weight: 32.21-58.57 parts of platycodin D, 2.04 parts of tenofovir, 10.2-40.8 parts of bletilla striata polysaccharide, 11.51 parts of chitosan, 13-17 parts of alpha, sodium beta-glycerophosphate, 0.04-0.08 part of sodium alginate and 0.40-0.60 part of CaCl2. The invention also discloses a method for preparing the composite temperature-sensitive hydrogel preparation. The composite temperature-sensitive hydrogel prepared by the method has the functions of contracepting and promoting HIV pre-exposure prophylaxis, is non-irritating to vagina mucosa and is good in spermicidal effect. The medicines in the gel exist in the body in the microsphere form so as to prolong the retention time of the medicines in the treatment part, and the bioavailability and treatment effect of the medicine are improved.

The invention discloses a rhombic solid intrauterine device. The device comprises four connecting pipes, wherein lateral walls of the four connecting pipes are of hollow reticular structures; one end of the first connecting pipe is connected with that of the second connecting pipe through a first connecting piece; the other end of the second connecting pipe is connected with one end of the third connecting pipe through a second connecting piece; the other end of the third connecting pipe is connected with one end of the fourth connecting pipe through a third connecting piece; the other end of the fourth connecting pipe is connected with the other end of the first connecting pipe through a fourth connecting piece; the four connecting pipes are connected to form a rhombic intrauterine device body; the first connecting piece is provided with a first hollow metal ball; the second connecting piece is provided with a second hollow metal ball; the third connecting piece is provided with a third hollow metal ball; and the fourth connecting piece is provided with a fourth hollow metal ball. The device has a rhombic solid structure, can increase the contact area with endometrium, and solves the problem existing in the prior art.

The invention discloses a composite uterine pregnant contraceptive device based on copper salt as copper ion source, which is characterized by the following: adopting base material and active material to form kinds of shape through thermo plasticity or heat solidity; setting the weight quantity of active material at 0.5-50% corresponding to IUD; setting the base material as low-density polyethylene or silicon rubber; selecting active material from one kind of copper salt or copper salt and sulphanilamide haemostatic drug and steroid hormone contraceptive pill; reducing a series of hemorrhagic and pain on the clinic; avoiding the damage of active oxygen for uterus.

The invention discloses a contraception bead. The contraception bead is a permanent contraception method which is good in contraception effect, good in sexual life feeling, light in body damage, suitable for all women, and strong in recoverability, and does not damage virgin circumstances. The contraception bead is composed of four bodies (1) and four screws (2), the bodies (1) are formed by injection molding, the diameter of a sphere ranges from 12-18mm, the sphere is a small half sphere, a curve-transitional shallow groove (6) is formed in a small half-sphere plane (7), two sides of the groove are wide and deep and the middle of the groove is narrow and shallow along the diameter direction, the width of the narrowest place of the shallow groove (6) ranges from 6-7mm, and the depth of the shallowest place of the shallow groove (6) ranges from 1-1.5mm. In process of use, a doctor enables the bodies (1) to clamp fallopian tubes of two sides of a woman in an operating room. Along with development of a society, development of boys and girls is more and more early, and the contraception bead enables the girls and the boys to relievedly and fully enjoy human happiness and joy without fear.

The invention discloses a Chinese medical oral contraceptive pill, which is compounded by selecting natural traditional Chinese medicines such as Radix Lithospermi Root of Sinkiang Arnebia, Herba Eupatorii, and the like and combining the formula of the traditional Chinese medicine theory with the modern advanced technology. The contraceptive effect is remarkable, without the toxic and side effect. Especially, the fertility can be recovered soon after pill withdrawal.

The invention discloses a structure of an intrauterine device (IUD) with nanometer copper; the copper in the prior IUD is changed into mixed copper, and the mixed copper comprises the nanometer copper. As the grain diameter of the copper nano-particle is small, the Cu2O and the Cu (OH) 2 are in an unstable constitution, thus the content of the cupric ions in the liquid is increased, the phenomenon of the copper explosive release is solved, and the side effects such as hemorrhage, hypogastralgia, irregular menstruation, etc. are decreased, and the contraceptive effectiveness is greatly improved.

The invention discloses a high imbibition dissoluble drug release external contraceptive membrane, which is prepared by the following raw materials of 0.06-1.2 parts of nonoxynol-9, 2-6 parts of super absorbent resin, 60-90 parts of polyvinyl alcohol, 6-10 parts of polypropylene glycol, 4-8 parts of vegetable oil and the like. The contraceptive membrane made by the use of the composition of materials has elasticity, toughness and crisp property, effectively obstructs the sperms in semen and quickly absorbs semen and kills sperms. After the contraceptive membrane made from the materials is putin vagina, sexual intercourse can start immediately without waiting; and the contraceptive membrane can remain the shape of a crisp septum for up to 4h when not encountering semen, thus avoiding the loss of sperm killing drugs as well as the disappearance of local acrimony. The vegetable oil and vagina mucosa used in the invention have good compatibility and can remove the stimulation effect of the nonoxynol-9 on skin mucosa. The product can absorb the residual liquid and secretions as well as bacteria, viruses and other causative organisms in the secretions after vaginal douche and the treatment of an ozone gynaecology therapeutic instrument, also has killing effect, prolongs sterilization time and improves treating effect.

The invention discloses a special-shaped anti-dropping seminiferous duct sterilization apparatus. The sterilization apparatus is made of a macromolecule polymer material with the thermosensitivity shape memory effect, wherein the shape memory temperature is in the range from 20 to 55 DEG C; and the sterilization apparatus is of a special-shaped structure which can not freely slide along a seminiferous duct after being implanted in a seminiferous duct. The sterilization apparatus is endowed with a shape memory function by fully using the memory property of the macromolecule polymer material with the thermosensitivity shape memory effect in the manufacturing process of the sterilization apparatus; the vitrification conversion temperature of the sterilization apparatus is set at a temperature range appropriate for a human body; before implanted in the human body, the diameter of the sterilization apparatus is maintained to be matched with the inner diameter of the seminiferous duct so that the sterilization apparatus is of a linear type; and after the sterilization apparatus is implanted in the human body, the thermosensitivity memory property of the shape memory polymer material is fully exerted so that the original special-shaped structure is restored, and the seminiferous duct can better adapt to the deformation of the sterilization apparatus and correspondingly changes in shape, thus the sterilization apparatus is stably implanted in the seminiferous duct and blocks the cavity of the seminiferous duct and good contraception effect is achieved.

The present invention discloses method of making male's penis erect for long time. The technological scheme is that flexible material is used to tie erecting penis. Tying erecting penis to block blood flow can maintain the erecting state of penis without ejaculation to meet female's requirement and avoid male's fatigue. The said method can strengthen male's sexual function and produce good contraception effect.

The invention discloses a condom connecting ring, belongs to the technical field of sexual hygienic products and breaks through the technical prejudice of modifying only a condom itself to innovatively provide a new technical scheme. More than two condoms are joined by using the condom connecting ring outside the condoms, simple in structure and low in cost, so that void layers form between the condoms; any of a lubricant, a sperm-killing agent, a microbe-harmful drug and a condom breakage prompter drug are put in the void layers, and thus, it is possible to ensure sufficient self-lubricating effect and enhance contraceptive and disease-preventive functions. The structure and production process of the condom connecting ring is simple, the condom connecting ring is low in cost, existing condom resources may be made full use, there is no need for making great changes to production equipment and production lines, and the condom connecting ring is easy to popularize and significant in economic and social benefit.

The invention relates to the technical field of medical and nursing appliances and particularly discloses bacteriostatic contraceptive gel containing total alkaloids of sophora alopecuroides for the gynecology department. The bacteriostatic contraceptive gel is prepared from the following components: total alkaloids of sophora alopecuroides, a contraceptive effective ingredient, agave Americana extract, VC ethyl ether, a wetting agent, xanthan gum, matrix and deionized water. The contraceptive gel has the effects of contraceptive gel and the effects of bacteriostatic gel, has an effect of efficiently killing sperms of human bodies with the response rate of 100 percent, has a relatively strong inhibition effect and a bacteriostatic rate being 94 percent or more by adding the total alkaloidsof sophora alopecuroides, can avoid the side effect of long-time use of traditional synthesized chemical contraceptive ingredients on the vagina as far as possible while ensuring the contraceptive effect, does not influence the acid environment and normal flora in the vagina by repeated use and is suitable for nursing before and after sexual intercourses and daily nursing for reproductive organsof males and females.

An intrauterine contraceptive device containing sistociclina but without supporting frame features that 1-6 sistociclina release controlled segments are serially connected by operation suture silk individually or with 1-6 copper contained bodies, or sleeved by the 1-6 copper contained bodies.

The invention discloses a reducible fallopian contraceptive element, which is composed of 3-5 concentric circular cylinders on one shaft, wherein the upper surface of shaft and upper bottom of first cylinder is on the same surface, the nickel-cemented alloy filament net is set on the external surface of cylinder and external surface of shaft, the cylinder and shaft is made of polyester film or medical polyester fibre.

The invention relates to a Chinese medicinal contraception plaster and its preparing process, wherein the plaster is prepared from raw material cotton root, rhubarb horsetails, arborviate seed, pinellia tuber, asarum herb through the steps of extracting by ethanol backflow, merging the ethanol liquid, filtering, reclaiming ethanol, concentrating into pasty state.

The invention discloses a slow-soluble external contraceptive membrane. The contraceptive membrane is prepared from the raw materials such as 0.05 to 1.5 parts of nonoxinol-9, 0.3 to 2 parts of super carboxymethyl starch sodium, 0.3 to 3 parts of hydroxypropyl methyl cellulose, 0.1 to 0.3 part of polyacrylic resin film agent, 1 to 3 parts of polyethylene glycol, 2 to 10 parts of lubricating agentand the like. The contraceptive membrane prepared by using the material composition has slow solubility and high medicament dissolution, and has effects of absorbing seminal fluid and killing sperms.After the contraceptive membrane prepared from the materials is put into the vagina, sexual intercourse can be performed immediately, and waiting is not needed. The stiff and smooth membrane shape iskept for 3 hours when the contraceptive membrane is not contacted with the seminal fluid, and sperm killing medicaments are slowly released, so that loss of the sperm killing medicaments in short time can be avoided; and the release of the sperm killing medicaments is accelerated when the contraceptive membrane is contacted with the seminal fluid, and the performance ensures high efficiency of the sperm killing medicaments and can improve the contraceptive effect. The membrane material has good compatibility with vaginal mucosa, has irritability resistance, flexibility and comfort, and can eliminate the stimulation effect of the nonoxinol-9 on the skin mucosa.