CN202096333U

CN202096333U - In utero active contraceptive device for animal

Info

Publication number: CN202096333U
Application number: CN2011201245991U
Authority: CN
Inventors: 张煦喆
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-26
Filing date: 2011-04-26
Publication date: 2012-01-04
Anticipated expiration: 2021-04-26

Abstract

An in utero active contraceptive device for animal comprises a V-shaped nickel-titanium alloy wire frame. The in utero active contraceptive device is technically characterized in that: two ends of the V-shaped nickel-titanium alloy wire frame are respectively provided with a spacing copper cap; and the V-shaped nickel-titanium alloy wire frame is also separately provided with a copper sleeve and a tubular medicine-containing sustained releasing member. The in utero active contraceptive device for animal is advantageous in that: no damage or open wound is caused for the animal; the in utero active contraceptive device accords with a cherishing mentality of a pet owner for the pet; the contraceptive effect is remarkable and safe; and the method is a reversible contraceptive method. No extirpation for in utero sex hormone secretory organ is required thereby causing no effect for normal hormone level in the animal body. A contraceptive device frame is used for providing excellent biological compatibility. A memory nickel-titanium alloy wire causes a remarkable rule in loading an in vitro contraceptive device and expanding the in utero contraceptive device. An original design state is kept. Deformation and downward displacement and shedding hardly occur thereby obtaining an excellent contraceptive function. Particularly the in utero active contraceptive device for animal has a remarkable effect for preventing accidental pregnancy caused by falling-off of the contraceptive device.

Description

The in utero active birth control apparatus of animal

Technical field

This utility model relates to animal contraceptive techniques field, specifically a kind of in utero active birth control apparatus of animal that animal is adopted reversible birth control mode.

Background technology

Along with Chinese society's rapid economy development, the selection pet feeding that People more and more is many is accompanied the life of oneself.China just has since ancient times dotes on the custom of supporting dog and cat, and existing pet dog nowadays and cat also account for absolute big ratio in all house pets.

According to reports of official resources, the domestic existing pet dog quantity of China has reached 1.5 hundred million, is equivalent to per 9 Chinese and just supports a pet dog.On average there are 100,000 Canis familiaris L.s in each city, and is annual also with 10,000 speed increment.At present the pet dog quantity of Beijing public security bureau registration reach 50 surplus ten thousand, the actual quantity of raising is above 1,000,000.

Nowadays, the problem of pet dog excessive multiplication has caused society and certain concern in the domestic city.According to calculating, the pet cat of a pair of health, in 7 years no any control carry out copulation, its descendants's accumulated quantity can be above 300,000.The situation of pet dog is as the same.With Beijing is example, and the house pet quantity of roaming about has according to incompletely statistics reached 1,000,000.Owing to the excessive multiplication of house pet causes a large amount of vagrant animals, all society has been caused great burden from urban construction, management of markets in urban districts to aspects such as animal ethics, if or else pay attention to, will cause serious social concern.

For pet dog or cat, the method for carrying out birth control or sterillization has following several kinds at present:

1, sterilization operation: male is male castration, and female is uterus and oophorectomize;

2, ligation;

3, contraception medicament;

4, induced abortion is conceived finally.

In above several method, sterilization operation is the method for the most often taking, and other several method is because basic few use of a variety of causes.And be to take the way of extracing the uterus or uterus and ovary being extractd simultaneously to the sterilization operation of female house pet, the strengths and weaknesses of jenny sterilization operation is distinguished as follows:

Advantage: 1, disposable solution sterillization problem, do not recur;

2, the postoperative jenny no longer includes oestrus, feeds to owner to bring convenience;

3, can stop diseases such as the common ovarian cyst of jenny, mammary neoplasms;

Shortcoming: 1, operation is open, can stay the wound of wound;

2, to jenny, will upset animal body internal hormone secretion level after ovary picked-off, cause the postoperative animal do not like motion, gluttonous, to phenomenons such as surrounding sensitivity reductions, abnormally fat phenomenon appears;

3, the influence of operation is irreversible, and the postoperative animal can not give birth to once more;

4, for the house pet of some famous and precious kinds, sterilization operation is a kind of very serious loss;

5, level is uneven in the industry, and operation level and tariff level difference are also bigger;

6, pet owners at heart the house pet of often difficult acceptance oneself do sterilization operation;

As everyone knows, human intrauterine device (IUD) is good, safe, easy to use, economic, the reversible long-acting contraception method of a kind of contraceptive effect.The use of intrauterine device is in China's history of existing decades, for huge contribution has been made in China's family planning work.At present, nearly 1.04 hundred million people of China use, and commonly used have Tcu380A, Tcu220C, MLcu375, palace cu300 and an active V-type TUD.And the intrauterine device of using for animal (house pet) does not specially see also that at present report is arranged.

Summary of the invention

The purpose of this utility model provides a kind of in utero active birth control apparatus of animal that animal is adopted reversible birth control mode.

The purpose of this utility model is achieved in that it includes the nitinol alloy wire skeleton of a V-arrangement; It is characterized in that: be respectively arranged with a spacing copper medicated cap in two ends of V-arrangement nitinol alloy wire skeleton, on V-arrangement nitinol alloy wire skeleton, go back spacer sleeve copper sheathing and tubulose pastille slow-release body are housed.

This novel afterbody that also is included in V-arrangement nitinol alloy wire skeleton also is provided with a spacing divider through the tailfiber connection.

Above-mentioned V-arrangement nitinol alloy wire skeleton is shuttle type framing structure or three-dimensional cup-shaped framing structure.

This utility model structure and contraception principle:

1, structure comprises that commentaries on classics on nitinol alloy wire skeleton and the skeleton joins thing and form, and assemblage comprises copper sheathing, copper medicated cap, pastille slow-release body etc.

2, structure is divided into head and afterbody two ends, and head is two ends of V-arrangement nitinol alloy wire skeleton upper shed and respectively joins a copper medicated cap, the acting as of this copper medicated cap: one, increase the surface area of copper, and make contraception more reliable; Two, for birth control apparatus gets into the cervix uteri mouth slick, a sizeable contact surface is provided, avoid the cervix uteri mouth is damaged.

3, the effect of copper sheathing and copper medicated cap (contraception principle): the copper ion that metallic copper discharges through the oxidation corrosion in cavity of uterus disturbs the interior environment in the cavity of uterus, is unfavorable for implantation of ovum, plays contraceptive efficacy.

4, the effect of pastille slow-release body: one, the antibiotic medicine alleviates the inflammation at band device initial stage, pain, the incidence rate of phenomenon such as hemorrhage is significantly improved the side reaction of irregular menstruation behind the band device; Two, steroid hormone (progesterone etc.) makes the local change of endometrium; Can obviously suppress endometrial growth; Make the cervical mucus retrogradation be unfavorable for that sperm penetrates, stop sperm in uterine cavity and intratubal activity, minority suppresses ovulation and waits summation loop and reach contraception.

5, at the birth control apparatus afterbody of V-arrangement nitinol alloy wire skeleton, can fasten tailfiber, and connect a spacing divider.Its effect is: 1., when taking out birth control apparatus, the birth control apparatus position is confirmed; 2., spacing divider can prevent that birth control apparatus is excessively mobile toward the depths, uterus; 3., as required, on spacing divider, the copper medicated cap is installed equally or/and tubulose pastille slow-release body etc. contraceptions active substance, strengthens the contraceptive efficacy of birth control apparatus.Tailfiber and stop are not necessary.

Advantage of this utility model and characteristics:

1, starts the new method of house pet birth control, changed the thinking and the pattern of traditional house pet birth control; For city roam house pet quantity controls, improves the house pet living benefits, the reinforcement administration of city appearance provides an effective solution.

2, house pet is not had wound, have no initiative wound, meet the psychology of pet owners love house pet.

3, contraceptive effect is obvious, safety.

4, this method is reversible method of birth control, after promptly birth control apparatus is extractd, recovers through a period of time, and house pet still can give birth to.

5, need not extract animal sex hormone secretion in vivo organ, so normal hormonal readiness in the animal body is not had influence.

6, use as the birth control apparatus skeleton, superior biocompatibility is provided; The memory nitinol alloy wire loads external birth control apparatus and the interior birth control apparatus of body launches to be evident regularity.Keep original design form, not yielding, downward displacement comes off, thereby reaches good contraceptive efficacy, particularly prevent since iud expulsion cause unexpected pregnant aspect significant effect is arranged.

7, use the pastille slow-release body contain the anti-inflammatory type medicine, reduce the inflammation of wearing the birth control apparatus initial stage, pain, hemorrhage etc. existing

The incidence rate of elephant.

8, the surface area of birth control apparatus sized, copper product etc. can be adjusted according to practical situation, more meets different builds sizes

The practical situation of animal.In addition, significantly reduce the expense of house pet method of birth control in the past.

Advantages such as that this utility model also has is simple in structure, be convenient to operation, safe and reliable, and side effect is little, integrated cost is low.

Description of drawings

Fig. 1 is the sectional structure simplified schematic diagram of this utility model;

Fig. 2 is the user mode structural representation sketch of Fig. 1;

Fig. 3 is the application structure sketch of this utility model.

To combine accompanying drawing this utility model to be done further explain below through instance; But following instance only is this utility model example wherein; The rights protection scope of not representing this utility model and being limited, the rights protection scope of this utility model is as the criterion with claims.

The specific embodiment

Shown in Fig. 1～3; What 1 among the figure selected for use is that diameter is the nitinol alloy wire skeleton of 0.15-0.8mm; The nitinol alloy wire of this structure has memory characteristic: nitinol alloy wire has reasonable elasticity when a temperature of setting is following, can carry out crooked largely and folding.And on ambient temperature rises to design temperature the time, the recovering state of nitinol alloy wire is a design form, and intensity increases, and is not yielding; The nitinol alloy wire of being bought need pass through certain heat treatment process, and the design form that makes it is the unfoldable shape of ambient temperature when being higher than design temperature; And under the lower state of temperature, because nickel-titanium alloy framework has better elasticity and morphotropism, can it be compressed in the inserter sleeve pipe.

Manufacture method:

Earlier nitinol alloy wire is put into the fixedly mould of usefulness, through the memory characteristic of certain heat treatment process animal training with the birth control apparatus skeleton.The form of grinding tool is skeleton complete unfolded design shape in animal uterus, and the temperature that skeleton reverts to design form fully is no more than 37 ^oC.

After V-arrangement nitinol alloy wire skeleton 1 forms, on this nitinol alloy wire skeleton 1, be set with copper sheathing 2, tubulose pastille slow-release body 3 also is assemblied on this skeleton simultaneously; The head end of nitinol alloy wire skeleton 1 is entangled fixing with copper medicated cap 5; As required, the afterbody end is fastened tailfiber, fastens tailfiber 6 at the afterbody of V-arrangement nitinol alloy wire skeleton, and the tailfiber other end is connected with a spacing divider 7, and is excessively mobile to the depths, uterus to prevent birth control apparatus, in addition, and same shell-like copper medicated cap 8 on the divider 7 on the throne; The birth control apparatus that assembles is packed in the inserter 4.

Animal is used the intrauterine device laying method:

1. the vaginal dilator that uses size to be fit to expands the animal vagina to be opened, and the degree of depth is clearly seeing that the cervix uteri mouth in uterus 9 is as the criterion;

2. the inserter that will be loaded with birth control apparatus stretches into vagina, and the front end of inserter is that head end copper medicated cap 5 is aimed at the cervix uteri mouth;

3. promote the motion bar at inserter rear, the copper medicated cap of a birth control apparatus head exposes; Adjust the position then, the copper medicated cap is put into the cervix uteri mouth earlier;

4. continue to promote motion bar with suitable dynamics, whole birth control apparatus is pushed in the cervix uteri mouth;

5. as tailfiber or stop need to be installed, then need before above operation, tailfiber and stop to be connected, put back in the inserter again.

This utility model side reaction in use is identical with the use of human birth control apparatus, can improve fully through self material, technology, shape, the performance of optimizing birth control apparatus.

Claims

1. in utero active birth control apparatus of animal; It includes the nitinol alloy wire skeleton of a V-arrangement; It is characterized in that: be respectively arranged with a spacing copper medicated cap in two ends of V-arrangement nitinol alloy wire skeleton, on V-arrangement nitinol alloy wire skeleton, go back spacer sleeve copper sheathing and tubulose pastille slow-release body are housed.

2. the in utero active birth control apparatus of animal according to claim 1 is characterized in that: the afterbody at V-arrangement nitinol alloy wire skeleton also is provided with a spacing divider through the tailfiber connection.

3. the in utero active birth control apparatus of animal according to claim 2 is characterized in that: equally copper sheathing is housed or/and tubulose pastille slow-release body at spacing divider cover.

4. the in utero active birth control apparatus of animal according to claim 1 is characterized in that: V-arrangement nitinol alloy wire skeleton is shuttle type framing structure or three-dimensional cup-shaped framing structure.