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

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.

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.

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.

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 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 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 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 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.

The invention discloses a male comfortable contraceptive suppository, placed in a urethral canal of a male penis. The male comfortable contraceptive suppository comprises a suppository which is hollow at internal, wherein the side wall of the suppository contacting the urethral canal is provided with air intakes, the outer end of the suppository is connected with a vacuum suction microtube, the outer end of the vacuum suction microtube is connected with a vacuum suction device, and the vacuum suction microtube is further sleeved with a suction microtube fixing device for fixing the vacuum suction microtube on the penis; semen produced when men in ejaculating is blocked in the urethral canal by the suppository, so that the semen is avoided to be contacted with the female cunt so as to contracept effectively; according to the vacuum suction device, the side wall of the urethral canal is absorbed on the peripheral surface of the suppository, so that the suppository is sealed with the urethral canal wall, there is no distending pain and no semen leakage when in use, the contraceptive effect is greatly enhanced, and the sensual pleasure of both parties is improved.

The invention discloses an adjustable intrauterine device. The adjustable intrauterine device comprises an intrauterine device handle, wherein the intrauterine device handle comprises a sector-shaped part, a length regulating part and a connection part, a semicircular plate is arranged at the upper part of the sector part, sector clamping grooves are formed in the two sides of the semicircular plate, an inverted triangle support body is arranged at the upper part of the sector part, the length regulating part is arranged at the lower part of the sector part, and the connection part provided with an external screw thread is arranged at the lower part of the length regulating part. The adjustable intrauterine device disclosed by the invention is simple in structure, low in production and usage cost, different parameters can be regulated according to the actual situations of different individuals, the aims of customization for each individual is realized, application range and adaptation accuracy of the intrauterine device are greatly improved, effect is good, good contraception effect can be achieved, and the harm to a human body also can be reduced; therefore, the adjustable intrauterine device disclosed by the invention has good market potential.

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.