CN201537164U

CN201537164U - Three-dimensional intrauterine active contraceptive device for animals

Info

Publication number: CN201537164U
Application number: CN2009202490103U
Authority: CN
Inventors: 张煦喆
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-01
Filing date: 2009-12-01
Publication date: 2010-08-04
Anticipated expiration: 2019-12-01

Abstract

The utility model relates to a three-dimensional intrauterine active contraceptive device for animals, comprising a closed ring nickel-titanium alloy wire skeleton with a head part and a tail part. The technical points are as follows: the head part of the closed ring nickel-titanium alloy wire skeleton is provided with a limiting copper cap; and the closed ring nickel-titanium alloy wire skeleton is sheathed with a copper sleeve and a tubular drug-containing slow release body. The three-dimensional intrauterine active contraceptive device has no wound of the pet, has no any pioneering wound, conforms to the psychology of a pet owner for loving the pet, and has obvious and safe contraceptive effect; the method is a reversible contraceptive method. The sex hormone secretory organ in an animal body does not need to be removed, thus having no influence to the normal hormone level in the animal body; when being used as a frame of the contraceptive device, the contraceptive device provides excellent biocompatibility; and the memory nickel-titanium alloy wire leads the loading of the in vitro contraceptive device and the in vivo contraceptive device to have obvious rules. The three-dimensional intrauterine active contraceptive device remains the original design state, and is not easily deformed or moved downward and fallen, thus achieving good contraceptive function, especially having obvious effect in the aspect of unplanned pregnancy caused by the falling of the contraceptive device.

Description

The in utero active birth control apparatus of animal solid

Technical field

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

Background technology

Along with Chinese society's rapid economy development, people more and more select pet feeding to accompany the life of oneself.China just has since ancient times dotes on the custom of supporting dog and cat, and nowadays pet dog 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.It is calculated that, 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 paid attention to, will cause serious social concern.

For pet dog or cat, the method for carrying out birth control or sterillization has following several 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 most normal method of taking, and other several method is because basic few use of a variety of causes.And be the way of taking to extract the uterus or uterus and ovary being extractd simultaneously at the sterilization operation of female house pet, the strengths and weaknesses of jenny sterilization operation is as follows respectively:

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

3, Shou Shu influence 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) specially yet there are no report.

Summary of the invention

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

The purpose of this utility model is achieved in that it comprises the closed loop nitinol alloy wire skeleton that has head and afterbody, it is characterized in that: the head at closed loop nitinol alloy wire skeleton is provided with a spacing copper medicated cap, is set with copper sheathing and tubulose pastille slow-release body on closed loop nitinol alloy wire skeleton.

Above-mentioned closed loop 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 changes joins a copper medicated cap, the acting as of this copper medicated cap: one, and fixedly skeleton makes it become an enclosed construction, and removes the step of welding cyclization from; Two, the surface area of increase copper; Three, for entering the cervix uteri mouth, birth control apparatus provides slick, a sizeable contact surface, 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 by 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, makes the cervical mucus retrogradation be unfavorable for that sperm penetrates, and stops sperm in uterine cavity and intratubal activity, and minority suppresses ovulation and waits summation loop and reach contraception.

5, at the birth control apparatus afterbody of annular 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 determined; 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 the present 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,, meet the psychology of pet owners love house pet without any the wound of initiative.

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 incidence rate of the inflammation of wearing the birth control apparatus initial stage, pain, phenomenon such as hemorrhage.

8, surface area of birth control apparatus specification size, copper product etc. can more meet the practical situation of the big toy of different builds according to the practical situation adjustment.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 a sectional structure simplified schematic diagram of the present utility model;

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

Fig. 3 is an application structure sketch of the present utility model.

This utility model is described in further detail by example below in conjunction with accompanying drawing; but following example only is this utility model example wherein; the rights protection scope of not representing this utility model and being limited, rights protection scope of the present utility model is as the criterion with claims.

The specific embodiment

Shown in Fig. 1～3, among the figure 1 selected be 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, it can 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 ℃.

After closed loop nitinol alloy wire skeleton 1 forms, on this closed loop 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 annular 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 power, whole birth control apparatus is pushed in the cervix uteri mouth;

5. as needs tailfiber or stop are installed, are then needed 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 by self material, technology, shape, the performance of optimizing birth control apparatus.

Claims

1. in utero active birth control apparatus of animal solid, it comprises the closed loop nitinol alloy wire skeleton that has head and afterbody, it is characterized in that: the head at closed loop nitinol alloy wire skeleton is provided with a spacing copper medicated cap, is set with copper sheathing and tubulose pastille slow-release body on closed loop nitinol alloy wire skeleton.

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

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