CN101803969A

CN101803969A - Heart-shaped three-dimensional intrauterine device

Info

Publication number: CN101803969A
Application number: CN 201010164512
Authority: CN
Inventors: 邱毅; 王磊光
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-06
Filing date: 2010-05-06
Publication date: 2010-08-18
Anticipated expiration: 2030-05-06
Also published as: CN101803969B

Abstract

The invention discloses a heart-shaped three-dimensional intrauterine device. The intrauterine device comprises a first annulus and a second annulus, wherein the upper parts of the first annulus and second annulus are wider than the lower parts; two side connecting reinforcements and two upper connecting reinforcements are arranged between the first annulus and the second annulus, the two upper connecting reinforcements are arranged on the tops of the first annulus and the second annulus, the two side connecting reinforcements are arranged on the lower parts of the first annulus and the second annulus, two first vertical reinforcements are arranged on the first annulus, two second vertical reinforcements are arranged on the second annulus; and a first annulus bending part which bends inward is arranged on the top of the first annulus, and a second annulus bending part which bends inward is arranged on the top of the second annulus. The invention can solve the problems of the prior art, greatly increase the contraceptive effect and effectively prevent the intrauterine device from dropping and displacing; and the top of the intrauterine device is depressed so that the intrauterine device can more effectively stick to the lining of the uterine cavity and the intrauterine device can be worn more comfortably and safely.

Description

Heart-shaped three-dimensional intrauterine device

Technical field

The present invention relates to a kind of birth control apparatus, is a kind of heart-shaped three-dimensional intrauterine device specifically.

Background technology

It is multiple that at present the intrauterine device that uses mainly contains single steel intrauterine device, gamma shape, T shape, M shape, U-shaped etc., but be maximum with the single steel intrauterine device.Above-mentioned said birth control apparatus all is a planar structure, easily comes off and is shifted phenomenon.In addition,, be difficult to make area generation aseptic inflammation enough big in the uterine cavity because that the planar structure birth control apparatus of existing birth control apparatus occupies intrauterine space is limited, thereby, make contraceptive effect be difficult to reach desirable level.

Summary of the invention

Purpose of the present invention, provided a kind of heart-shaped three-dimensional intrauterine device, it can solve the problem that prior art exists, it can significantly improve contraceptive effect, can effectively prevent the generation of iud expulsion and displacement phenomenon, and its top caves inward, the uterine cavity inwall of can fitting more effectively, wearing more comfortable safety.

The present invention is achieved by the following technical solutions: heart-shaped three-dimensional intrauterine device, comprise first ring body and second ring body, and first ring body and second ring body all are shapes wide at the top and narrow at the bottom; Two side dowels and two last dowels are installed between first ring body and second ring body, are gone up the top that dowel is positioned at first ring body and second ring body for two, two side dowels are positioned at the bottom of first ring body and second ring body; Two first perpendicular muscle are installed on first ring body, two second perpendicular muscle are installed on second ring body; The top of first ring body is provided with the aduncate first ring body kink, and the top of second ring body is provided with the aduncate second ring body kink.

For further realizing purpose of the present invention, can also realize by the following technical solutions: between first ring body and second ring body box body is installed, the periphery of box body is installed air bag, and blow vent is offered in the bottom of box body, and vertical pivot is installed at the top of box body, stopper and medicine cake are installed in the box body, the medicine cake is positioned at the bottom of box body, and the lower end of vertical pivot penetrates in the box body and is connected with stopper, and the periphery of vertical pivot is installed first spring, the upper end of first spring contacts with box body, and the lower end of first spring contacts with stopper; First absorbable thread and second absorbable thread are installed in the upper end of vertical pivot, and first absorbable thread is connected with two last dowels respectively with second absorbable thread.Dottle pin is installed in the box body, and dottle pin is positioned at medicine cake below; The bottom of stopper is provided with syringe needle.Offer installation cavity on the inwall of box body, the exit of installation cavity is provided with annular boss; Installation cavity is interior to be installed second spring and prevents back card, prevents back that the cambered surface of card makes progress, and prevents back that an end of card stretches out outside the installation cavity, prevents back that the periphery of card is provided with spacing convex edge, and spacing convex edge cooperates with annular boss; Prevent back being positioned between stopper and the blow vent.The first ring body bending part is between two first perpendicular muscle, and the second ring body bending part is between two second perpendicular muscle.

Good effect of the present invention is: after it was positioned in the uterine cavity, structure of its heart-shaped circle met ergonomics more, and this structure can be resisted the contractility of uterus wall better, came off and the generation of the phenomenon that is shifted with minimizing.It is simple in structure, weight is lighter, and birth control apparatus is alleviated the compressing in uterus, reduces hemorrhage.It can occupy the uterine cavity volume inside more fully, can improve contraceptive efficacy effectively.Its top caves inward, and can make birth control apparatus applying uterine cavity inwall tightr, wearing more comfortable safety.The present invention's advantage simple and compact for structure in addition, cheap for manufacturing cost and safe and convenient to use.

Description of drawings

Fig. 1 is the structural representation of heart-shaped three-dimensional intrauterine device; Fig. 2 is the vertical view of Fig. 1; Fig. 3 is the user mode figure of heart-shaped three-dimensional intrauterine device; Fig. 4 is the I partial enlarged drawing of Fig. 1; Fig. 5 is the II partial enlarged drawing of Fig. 4.

Reference numeral: dowel 7 vertical pivots 8 first absorbable threads 9 second absorbable threads 10 air bags 11 box bodys 12 first springs 13 stoppers 14 syringe needles 15 medicine cakes 16 blow vents 17 are prevented go back to card 18 second springs 19 annular boss 20 dottle pins 21 installation cavitys 22 side dowels 23 second perpendicular muscle 24 first ring body kinks 25 second ring body kinks 26 spacing convex edges on 1 first ring body, 2 second ring bodies, 3 first horizontal bars, 4 second horizontal bars, the 5 first perpendicular muscle 6.

The specific embodiment

Heart-shaped three-dimensional intrauterine device of the present invention comprises first ring body 1 and second ring body 2, and as shown in Figure 1, first ring body 1 and second ring body 2 all are shapes wide at the top and narrow at the bottom, can be convenient to intrauterine liquid and discharge; Two side dowels 22 and two last dowels 6 are installed between first ring body 1 and second ring body 2, go up the top that dowel 6 is positioned at first ring body 1 and second ring body 2 for two, two side dowels 22 are positioned at the bottom of first ring body 1 and second ring body 2, and about distribute, promptly first ring body 1 and second ring body 2 connect and compose the three-dimensional structure by two side dowels 22 and two last dowels 6, make the described heart-shaped three-dimensional intrauterine device can be in utero occupy-place more fully, to play better birth control contraceptive effect; Two first perpendicular muscle 5 are installed on first ring body 1, two second perpendicular muscle 23 are installed on second ring body 2, the first perpendicular muscle 5 and the second perpendicular muscle 23 play a supportive role to first ring body 1 and second ring body 2 respectively, first ring body 1 and second ring body 2 can be fitted with the uterine cavity inwall effectively, thereby improve contraceptive effect; The top that the top of first ring body 1 is provided with the aduncate first ring body kink, 24, the second ring bodies 2 is provided with the aduncate second ring body kink 25.The first ring body kink 24 and the second ring body kink 25 can make the top shape of described heart-shaped three-dimensional intrauterine device and the shape at uterine cavity inwall top match, it is tightr that described birth control apparatus and uterine cavity inwall are fitted, thereby further improve the effect and the comfort of wearing of contraception.Be the processing and fabricating convenience, first ring body 1, second ring body, 2, the first perpendicular muscle 5, last dowel 6, the second perpendicular muscle 23 and side dowel 22 can be made one.Whole described birth control apparatus can be made by Ultimum Ti, first ring body 1, second ring body 2, first erect muscle 5, upward dowel 6, second periphery of erecting muscle 23 and side dowel 22 can all be wrapped up layer of silica gel, can prevent effectively that described birth control apparatus from scratching the uterine cavity inwall.For increasing the intensity of described birth control apparatus, first horizontal bar, 3, the first horizontal bars 3 can be installed on first ring body 1 be connected with two first perpendicular muscle 5 respectively; Second horizontal bar, 4, the second horizontal bars 4 can be installed on second ring body 2 to be connected with two second perpendicular muscle 23 respectively.

Usually birth control apparatus has been compressed into column when put procedure, and purpose is the pain that alleviates when placing; After birth control apparatus enters in the uterine cavity, should fully stretch and reset, effectively occupy-place is to play contraceptive effect.Reset for guaranteeing that described birth control apparatus can fully stretch in vivo as requested, as shown in Figures 1 to 4, between first ring body 1 and second ring body 2 box body 11 can be installed, the periphery of box body 11 is installed air bag 10, blow vent 16 is offered in the bottom of box body 11, blow vent 16 communicates with air bag 10 inner chambers, vertical pivot 7 is installed at the top of box body 11, vertical pivot 7 can move relative to box body 11 straight lines, and stopper 13 and medicine cake 15 are installed in the box body 11, and medicine cake 15 is positioned at the bottom of box body 11, the lower end of vertical pivot 7 penetrates in the box body 11 and is connected with stopper 13, the upper end that the periphery of vertical pivot 7 is installed first spring, 12, the first springs 12 contacts with box body 11, and the lower end of first spring 12 contacts with stopper 13; First absorbable thread 8 is installed in the upper end of vertical pivot 7 and second absorbable thread, 9, the first absorbable threads 8 are connected with two last dowels 6 respectively with second absorbable thread 9.Under non-working condition, first

absorbable thread

8 and 9 pairs of vertical pivots 7 of second absorbable thread provide pulling force upwards, and the elastic force that makes stopper 13 can overcome first spring 12 remains on position as shown in Figure 4.After described heart-shaped three-dimensional intrauterine device is put into uterine cavity, first absorbable thread 8 and second absorbable thread 9 can be molten disconnected under the effect of human body fluid, at this moment, first spring 12 can drive stopper 13 high-speed impact medicine cakes 15, chemical agent in the medicine cake 15 can discharge a large amount of gas, described gas is in blow vent 16 enters air bag 10, air bag 10 is expanded rapidly, air bag 10 struts first ring body 1 and second ring body 2, described birth control apparatus can fully be stretched, reach best contraceptive effect.Described medicine cake 15 can be the tablet that is formed by the ammoniumnitrate prill compacting.Ammonium nitrate can be emitted a large amount of N after being impacted ₂O and H ₂O.Described medicine cake 15 also can be the existing tablet of being made by other chemical agents, can discharge a large amount of gases as long as guarantee after tablet is impacted.Described first absorbable thread 8 and second absorbable thread 9 can be the lines that can be absorbed by the body commonly used in the operation.

In order to prevent that medicine cake 15 from being leaked outside by blow vent 16 under non-working condition, as shown in Figure 4, dottle pin 20 is installed in the box body 11, dottle pin 20 is positioned at medicine cake 15 belows, can prevent effectively that medicine cake 15 from leaking outside, and guarantees that medicine cake 15 is permanently effective; In order to prevent that the gas that dottle pin 20 stops that medicine cake 15 produces from charging in the air bag 10, as shown in Figure 4, the bottom of stopper 13 can be provided with syringe needle 14, and the quantity of syringe needle 14 is identical with the quantity of blow vent 16, and syringe needle 14 is corresponding one by one up and down with blow vent 16.When stopper 13 clashes into medicine cake 15 rapidly under the effect of first spring 12, syringe needle 14 can penetrate medicine cake 15 and dottle pin 20 successively, syringe needle 14 can increase the pressure of stopper 13 bump medicine cakes 15 on the one hand, messenger drug cake 15 discharges gas rapidly, can be the gas that is produced on the other hand and opens the path that enters air bag 10.

In order to prevent that medicine cake 15 is impacted the gas that discharged with stopper 13 counter pushing away upwards, portion gas is stayed in the box body 11, can't all enter in the air bag 10, thereby reduce air bag 10 expansible sizes, make the described birth control apparatus can't full extension, as shown in Figure 4 and Figure 5, can offer installation cavity 21 on the inwall of box body 11, the exit of installation cavity 21 is provided with annular boss 19; Second spring 18 is installed in the installation cavity 21 and is prevented back card 17, the cambered surface of preventing back card 17 makes progress, one end of second spring 18 contacts with box body 11, the other end of second spring 18 contacts with preventing back card 17, an end of preventing back card 17 stretches out outside the installation cavity 21, prevent back that card 17 periphery is provided with spacing convex edge 26, spacing convex edge 26 cooperates with annular boss 19 and can prevent to prevent back to block 17 and deviate from; Under the non-working condition, prevent back that card 17 is between stopper 13 and blow vent 16.Bump is prevented back card 17 earlier in the process that stopper 13 moves down fast, because preventing back the cambered surface of card 17 makes progress, therefore, stopper 13 can promote to prevent back that card 17 is to installation cavity 21 inner moving, be that stopper 13 can be crossed and prevents back that card 17 bumps with medicine cake 15, collision back stopper 13 prevent back between card 17 and the medicine cake 15, prevents back blocking 17 and stretches out under second spring 18 acts on and reset; After stopper 13 bump medicine cakes 15, the gas that medicine cake 15 discharges can make box body 11 internal gas pressures increase, but, because it is straight flat preventing back the lower surface of card 17, can stop effectively that stopper 13 oppositely moves, therefore, can guarantee that the gas that medicine cake 15 discharges can all enter in the air bag 10, thereby guarantee that air bag 10 can make described birth control apparatus fully stretch, reach best contraceptive effect.

As shown in Figure 1 to Figure 3, the first ring body kink 24 is between two first perpendicular muscle 5, the second ring body kink 25 is between two second perpendicular muscle 23, promptly the top by two first perpendicular 5 pairs first ring bodies 1 of muscle provides enough pulling force, constitute the first ring body kink 24 with the top of guaranteeing first ring body 1, top by two second perpendicular 23 pairs second ring bodies 2 of muscle provides enough pulling force, constitutes the second ring body kink 25 with the top of guaranteeing second ring body 2.Because the top of first ring body 1 and second ring body 2 is respectively equipped with the first ring body kink 24 and the second ring body kink 25, therefore, makes whole described birth control apparatus have heart-shaped structure, can be described as heart-shaped birth control apparatus.

Technical scheme of the present invention is not restricted in the scope of embodiment of the present invention.The present invention not technology contents of detailed description is known technology.

Claims

1. heart-shaped three-dimensional intrauterine device, it is characterized in that: comprise first ring body (1) and second ring body (2), first ring body (1) and second ring body (2) they all are shapes wide at the top and narrow at the bottom; Two side dowels (22) and two last dowels (6) are installed between first ring body (1) and second ring body (2), go up the top that dowel (6) is positioned at first ring body (1) and second ring body (2) for two, two side dowels (22) are positioned at the bottom of first ring body (1) and second ring body (2); First ring body (1) is gone up two first perpendicular muscle (5) is installed, and second ring body (2) is gone up two second perpendicular muscle (23) are installed; The top of first ring body (1) is provided with the aduncate first ring body kink (24), and the top of second ring body (2) is provided with the aduncate second ring body kink (25).

2. heart-shaped three-dimensional intrauterine device according to claim 1, it is characterized in that: between first ring body (1) and second ring body (2) box body (11) is installed, the periphery of box body (11) is installed air bag (10), blow vent (16) is offered in the bottom of box body (11), vertical pivot (7) is installed at the top of box body (11), stopper (13) and medicine cake (15) are installed in the box body (11), medicine cake (15) is positioned at the bottom of box body (11), the lower end of vertical pivot (7) penetrates in the box body (11) and is connected with stopper (13), the periphery of vertical pivot (7) is installed first spring (12), the upper end of first spring (12) contacts with box body (11), and the lower end of first spring (12) contacts with stopper (13); First absorbable thread (8) and second absorbable thread (9) are installed in the upper end of vertical pivot (7), and first absorbable thread (8) is connected with two last dowels (6) respectively with second absorbable thread (9).

3. heart-shaped three-dimensional intrauterine device according to claim 2 is characterized in that: dottle pin (20) is installed in the box body (11), and dottle pin (20) is positioned at medicine cake (15) below; The bottom of stopper (13) is provided with syringe needle (14).

4. heart-shaped three-dimensional intrauterine device according to claim 3 is characterized in that: offer installation cavity (21) on the inwall of box body (11), the exit of installation cavity (21) is provided with annular boss (19); Second spring (18) is installed in the installation cavity (21) and is prevented back card (17), the cambered surface of preventing back card (17) makes progress, an end of preventing back card (17) stretches out outside the installation cavity (21), the periphery of preventing back card (17) is provided with spacing convex edge (26), and spacing convex edge (26) cooperate with annular boss (19); Prevent back that card (17) is positioned between stopper (13) and the blow vent (16).

5. heart-shaped three-dimensional intrauterine device according to claim 1 is characterized in that: the first ring body kink (24) is positioned between the two first perpendicular muscle (5), and the second ring body kink (25) is positioned between the two second perpendicular muscle (23).