CN101623221B

CN101623221B - I-shaped vertical intrauterine device

Info

Publication number: CN101623221B
Application number: CN2009103056385A
Authority: CN
Inventors: 王磊光; 邱毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-14
Filing date: 2009-08-14
Publication date: 2010-09-08
Anticipated expiration: 2029-08-14
Also published as: CN101623221A

Abstract

The invention discloses an I-shaped vertical intrauterine device which comprises an upper connecting rod and a lower connecting rod. The lower connecting rod is provided with an inner cavity and a guide groove; the upper connecting rod is provided with a guide rod on which a guide block and a screw hole are arranged; a bolt is installed in the screw hole and provided with a turning block; an annular groove is arranged on the turning block; an annular lug is arranged on the lower connecting rod; the lower end of the turning block is provided with a pole groove; the lower connecting rod is provided with a rood connecting rod on which a pothook is arranged; the lower end of the lower connecting rod is provided with a lower connecting seat which is provided with a rotating shaft; the rotating shaft is positioned in the inner cavity; the upper end of the rotating shaft is provided with a connecting pole; an annular installing groove is arranged on the lower connecting seat and positioned at the periphery of the rotating shaft; the inner wall of the annular installing groove is provided with an annular limiting lug; the connecting rods are positioned in the annular installing groove; the pothook is matched with the annular limiting lug; the left end and the right end of the lower connecting seat are respectively provided with spherical covers through springs; an upper connecting seat is arranged on the upper connecting rod; and the left end and the right end of the upper connecting seat are respectively provided with spherical covers through springs.

Description

I-shaped vertical intrauterine device

Technical field

The present invention relates to a kind of birth control utensil, exactly is a kind of I-shaped vertical intrauterine device and I-shaped vertical intrauterine device.

Background technology

The kind of existing intrauterine device is more, domestic commonly used have single steel intrauterine device, first palace medicine copper, active gamma (γ) type, M type, Flos Cannabis ring, hybrid ring, T type ring, V-type, lucky Buddhist nun's fixed pattern etc., but be maximum with the single steel intrauterine device.The birth control apparatus with medicine does not claim inert IUD, and the birth control apparatus of band medicine is referred to as to be with medicine or active intrauterine device, and for example intrauterine device adds progestogen or copper or indometacin, can improve contraceptive effect or reduce hemorrhage etc.The birth control apparatus of band medicine is the birth control apparatus kind of praising highly at present.But above-mentioned existing birth control apparatus all has in various degree side effect or untoward reaction, for example: 1, hemorrhage: think that at present it is hemorrhage main cause that intrauterine device increases the fibrinoclase activity, can reduce hemorrhage with antifibrinolytic 6-aminocaprolc acid.A small amount of irregular colporrhagia is many need not treat; The many persons of the amount of bleeding can give drug hemostasis.Through the person of failing to respond to any medical treatment, ring can be taken out, hemorrhage with the passing of time person needs infection to handle.2, the soreness of waist, abdomen are weighed down: may be because of intrauterine device excessive or the position is on the low side, cause that uterine contraction causes.Can try out spasmolytic earlier,, can select else and renew ring as invalid.3, infect: minority can sternly not cause ascending infection because of sterilization or sterile working.After the generation, at first should get ring, be correspondingly processed again.4, birth control apparatus incarceration: indivedual birth control apparatus can embed between uterine muscular.5, iud expulsion: pilosity is born in the band 1 year, and especially the first trimester intermenstrual period comes off.Coming off naturally of birth control apparatus, with ring excessive, too small, be not put into uterine cavity bottom, make that quality of materials is poor, support force not enough, operation receiveing person palace mouth pine, labor intensity is excessive or menorrhagia etc. is relevant.6, band device (ring) gestation: may encircle, put the improper pregnancy with IVD in situ that causes of ring because of choosing.

Summary of the invention

Purpose of the present invention has provided a kind of I-shaped vertical intrauterine device, and it can reduce side effect, sequela and the accumulative total discontinuation rate etc. of intrauterine device, can solve the problem that prior art exists.

The objective of the invention is to be achieved through the following technical solutions: I-shaped vertical intrauterine device, comprise upper connecting rod and lower connecting rod, offer inner chamber in the lower connecting rod, the bottom of upper connecting rod is provided with guide rod, guide rod is positioned at intracavity, offer gathering sill on the inwall of lower connecting rod, on the sidewall of guide rod guide pad is set, guide pad cooperates with gathering sill, one end of guide rod is offered screw, construction bolt in the screw, bolt is threaded with screw, the lower end of bolt is provided with moving block, moving block is positioned at outside the screw, the periphery of moving block is offered cannelure, on the inwall of lower connecting rod annular lug is set, annular lug cooperates with cannelure, the post groove is offered in the moving block lower end, the lower end of lower connecting rod is provided with two connecting rods, the lower end of every connecting rod is provided with hook, hook is offered groove with the connecting rod junction, lower connecting base is installed in the lower connecting rod lower end, the middle part of lower connecting base is provided with rotating shaft, rotating shaft is positioned at intracavity, the upper end of rotating shaft is provided with joint pin, and joint pin is positioned at the post groove, and the transverse shape of joint pin and post groove all is trianglees, offer annular mounting groove on the lower connecting base, annular mounting groove is positioned at the periphery of rotating shaft, and the annular stop projection is set on the annular mounting groove inwall, and connecting rod is positioned at annular mounting groove, hook cooperates with the annular stop projection, the two ends, the left and right sides of lower connecting base are installed the 3rd spring and the 4th spring respectively, and the 3rd hollowed out spherical cover is installed on the 3rd spring, and the 4th hollowed out spherical cover is installed on the 4th spring, Connection Block is installed in the upper end of upper connecting rod, first spring and second spring are installed in the two ends, the left and right sides of upper connecting base, and the first hollowed out spherical cover is installed on first spring, and the second hollowed out spherical cover is installed on second spring.

For further realizing purpose of the present invention, can also realize by the following technical solutions: between upper connecting rod and the lower connecting rod telescopic is installed, an end of telescopic is connected with upper connecting rod, and the other end of telescopic is connected with lower connecting rod.Offer blind hole on the sidewall of rotating shaft, back-moving spring is installed in the blind hole, an end of back-moving spring is installed steel ball, offers at least three locating holes on the inwall of lower connecting rod, and steel ball cooperates with one of them locating hole.One end of first spring is installed first holder, first spring is connected with the first hollowed out spherical cover by first holder, the first hollowed out spherical cover is made by the higher metal material of toughness, one end of the first hollowed out spherical cover is offered the aperture, the rear and front end of first holder is provided with the first convex annular edge and the second convex annular edge respectively, form annular positioning groove between the first convex annular edge and second convex annular edge, first convex annular is along being positioned at the first hollowed out spherical cover, and the aperture is positioned at the periphery of annular positioning groove.The distance of first hollowed out spherical cover to the second hollowed out spherical cover is greater than the distance of the 3rd hollowed out spherical cover to the four hollowed out spherical covers.

Good effect of the present invention is: it can play the effect that resists strength of uterine contraction after placing uterine cavity, can reduce the generation of situations such as birth control apparatus is shifted, comes off.Its gross weight is between 0.3～0.50g, and weight is lighter, and birth control apparatus is alleviated the compressing in uterus, reduces hemorrhage.That it can solve that existing birth control apparatus exists is hemorrhage, the soreness of waist, abdomen bob, infection, birth control apparatus incarceration, iud expulsion and the pregnant problem of band device (ring).The present invention also has compact conformation, advantage safe and convenient to use.

Description of drawings

Fig. 1 is the structural representation of I-shaped vertical intrauterine device of the present invention; Fig. 2 is the local structure for amplifying sketch map of the I of Fig. 1; Fig. 3 is the local structure for amplifying sketch map of the II of Fig. 1; Fig. 4 is that the A-A of Fig. 3 analyses and observe the structure for amplifying sketch map.

Number in the figure: 1 upper connecting rod, 2 lower connecting rods, 3 upper connecting bases, 4 lower connecting bases, 5 first springs, 6 second springs 7 the 3rd spring 8 the 4th spring, 9 first holders, 10 second holders 11 the 3rd holder 12 the 4th holder, 13 first hollowed out spherical covers, 14 second hollowed out spherical covers 15 the 3rd hollowed out spherical cover 16 the 4th hollowed out spherical cover, 17 telescopics, 18 gathering sills, 19 guide pads, 20 screws, 21 bolts, 22 cannelures, 23 annular lugs, 24 rotating shafts, 25 blind holes, 26 back-moving springs, 27 steel balls, 28 locating holes, 29 annular mounting groove, 30 annular stop projections, 31 hooks, 32 moving blocks, 33 inner chambers, 34 first annular convex edge 35 annular positioning grooves, 36 second convex annular are along 37 post grooves, 38 joint pins, 39 connecting rods, 40 grooves, 41 guide rods, 42 apertures.

The specific embodiment

I-shaped vertical intrauterine device of the present invention, comprise upper connecting rod 1 and lower connecting rod 2, offer inner chamber 33 in the lower connecting rod 2, inner chamber 33 is to run through cavity from what an end to the other end of lower connecting rod 2 of lower connecting rod 2 was offered, the bottom of upper connecting rod 1 is provided with guide rod 41, for the ease of birth control apparatus is placed in the human body, and prevents from human body is produced excessive stimulation and injury, the diameter of guide rod 41 should be less than the diameter of upper connecting rod 1, and upper connecting rod 1 should equate with lower connecting rod 2 external diameters; Guide rod 41 is positioned at inner chamber 33, and guide rod 41 can be along inner chamber 33 rectilinear motions, thus the total height of scalable birth control apparatus; Offer gathering sill 18 on the inwall of lower connecting rod 2, guide pad 19 is set on the sidewall of guide rod 41, guide pad 19 cooperates with gathering sill 18, one end of guide rod 41 is offered screw 20, in the screw 20 female thread is set, construction bolt 21 in the screw 20, the periphery of bolt 21 is provided with external screw thread, bolt 21 is threaded with screw 20, and gathering sill 18, guide pad 19, screw 20 and bolt 21 connect and compose screw-nut body; The lower end of bolt 21 is provided with moving block 32, moving block 32 is positioned at outside the screw 20, the periphery of moving block 32 is offered cannelure 22, annular lug 23 is set on the inwall of lower connecting rod 2, annular lug 23 cooperates with cannelure 22 can make moving block 32 rotate relative to lower connecting rod 2 only, and can't be along the axis direction rectilinear motion of lower connecting rod 2, post groove 37 is offered in moving block 32 lower ends, the lower end of lower connecting rod 2 is provided with two connecting rods 39, the lower end of every connecting rod 39 all is provided with hook 31, hook 31 is offered groove 40 with connecting rod 39 junctions, lower connecting base 4 is installed in lower connecting rod 2 lower ends, the middle part of lower connecting base 4 is provided with rotating shaft 24, rotating shaft 24 is positioned at inner chamber 33, the upper end of rotating shaft 24 is provided with joint pin 38, joint pin 38 cooperates with post groove 37, promptly, joint pin 38 is positioned at post groove 37, joint pin 38 all is trianglees with the transverse shape of post groove 37, its objective is that joint pin 38 can drive 37 rotations of post groove, for achieving the above object, joint pin 38 can also be other non-circular shapes with the transverse section of post groove 37, for example square, ellipse or hexagon, but when if the transverse section of joint pin 38 and post groove 37 is above-mentioned other shapes, difficulty of processing is bigger, can increase the processing cost of joint pin 38 and post groove 37, and, the transverse section of above-mentioned other shapes, its service life, also more leg-of-mutton transverse section was short, offer annular mounting groove 29 on the lower connecting base 4, annular mounting groove 29 is positioned at the periphery of rotating shaft 24, on annular mounting groove 29 inwalls annular stop projection 30 is set, connecting rod 39 is positioned at annular mounting groove 29, and hook 31 cooperates with annular stop projection 30 can prevent that connecting rod 39 is by skidding off in the annular mounting groove 29.When lower connecting base 4 is connected with lower connecting rod 2, earlier rotating shaft 24 is inserted in the inner chamber 33, connecting rod 39 inserts in the annular mounting groove 29 simultaneously; When hook 31 contacts with annular stop projection 30, enforce lower connecting base 4 again, lower connecting base 4 and lower connecting rod 2 are fastened, because the existence of groove 40, hook 31 can be under the active force of annular stop projection 30, be extruded and be adjacent to connecting rod 39, link up with 31 width, stride across annular stop projection 30 and enter annular stop projection 30 belows thereby can dwindle; After the active force of 30 pairs of annular stop projections hook 31 was eliminated, hook 31 recovered original shape and structure at once, and at this moment, hook 31 cooperates with annular stop projection 30, and lower connecting base 4 and lower connecting rod 2 are connected and fixed; The two ends, the left and right sides of lower connecting base 4 are installed the 3rd spring 7 and the 4th spring 8 respectively, the 3rd hollowed out spherical cover 15 is installed on the 3rd spring 7, the 4th hollowed out spherical cover 16 is installed on the 4th spring 8, Connection Block 3 is installed in the upper end of upper connecting rod 1, the two ends, the left and right sides of upper connecting base 3 are installed first spring 5 and second spring 6 respectively, install on first spring 5 the second hollowed out spherical cover 14 is installed on the first hollowed out spherical cover, 13, the second springs 6.First spring 5, second spring 6, the 3rd spring 7 and the 4th spring 8 both can play a supportive role to the first hollowed out spherical cover 13, the second hollowed out spherical cover 14, the 3rd hollowed out spherical cover 15 and second spring 6, simultaneously, can freely stretch as required again and crooked.When placing birth control apparatus, first spring 5, second spring 6, the 3rd spring 7 and the 4th spring 8 can stretch or crooked, but thereby reduced volume, be convenient to insert in the uterine cavity, after the placement, first spring 5, second spring 6, the 3rd spring 7 and the 4th spring 8 recover original shape and size, can prevent effectively that I-shaped vertical intrauterine device is by skidding off in the uterine cavity.The first hollowed out spherical cover 13, the second hollowed out spherical cover 14, the 3rd hollowed out spherical cover 15 and the 4th hollowed out spherical cover 16 all are spherical, can increase the contact area with human body, prevent that I-shaped vertical intrauterine device from scratching the uterus inwall in uterus; Can lay the medicine of contraception usefulness in the first hollowed out spherical cover 13, the second hollowed out spherical cover 14, the 3rd hollowed out spherical cover 15 and the 4th hollowed out spherical cover 16, engraved structure can make the medicine can be by penetrating in the first hollowed out spherical cover 13, the second hollowed out spherical cover 14, the 3rd hollowed out spherical cover 15 and the 4th hollowed out spherical cover 16, thereby, can further play the effect of contraception.

During concrete the manufacturing, adopt stainless steel metal wire or Ultimum Ti silk or macromolecular material around making first spring 5, second spring 6, the 3rd spring 7 and the 4th spring 8 and the first hollowed out spherical cover 13, the second hollowed out spherical cover 14, the 3rd hollowed out spherical cover 15 and the 4th hollowed out spherical cover 16; 1.0～5.0 centimetres of length between upper end two enclosed globe shades of I shape, 0.3～2.0 centimetre of diameter, 0.5～1.0 centimetre of two ends enclosed globe shade external diameter; 0.5～3.0 centimetre of length between two enclosed globe shades of I shape lower end, 0.3～2.0 centimetre of diameter, 0.1～2.5 millimeter of the diameter of stainless steel metal wire or Ultimum Ti silk or macromolecular material silk.

During use, the medical worker per vaginam inserts I-shaped vertical intrauterine device of the present invention in the user uterine cavity and gets final product.Before the placement, the medical worker can be according to the requirement of user physical qualification, adjust the total height of I-shaped vertical intrauterine device, concrete operations are, rotate lower connecting base 4, lower connecting base 4 drives bolt 21 by rotating shaft 24 and rotates, and as shown in Figure 3, guide rod 41 can be made progress along the axis direction of lower connecting rod 2 in bolt 21 rotations or following straight line moves.

For preventing to accumulate dirt in the space between lower connecting rod 2 and the upper connecting rod 1, telescopic 17 is installed between upper connecting rod 1 and the lower connecting rod 2, telescopic 17 is positioned at guide rod 41 peripheries, and an end of telescopic 17 is connected with upper connecting rod 1, and the other end of telescopic 17 is connected with lower connecting rod 2.When the distance between upper connecting rod 1 and the lower connecting rod 2 changed, telescopic 17 can stretch thereupon or compress.Telescopic 17 also can play the effect of being connected and fixed to upper connecting rod 1 and lower connecting rod 2.

For preventing that lower connecting base 4 from rotating arbitrarily relative to lower connecting rod 2, guarantee the I-shaped vertical intrauterine device contraceptive effect, as shown in Figure 3, offer blind hole 25 on the sidewall of rotating shaft 24, back-moving spring 26 is installed in the blind hole 25, one end of back-moving spring 26 is installed steel ball 27, offer at least three locating holes 28 on the inwall of lower connecting rod 2, the position of locating hole 28 is many more, and the position location of lower connecting base 4 is many more, but the also corresponding increase of manufacturing cost, steel ball 27 cooperates the location with one of them locating hole 28.When need when lower connecting rod 2 rotates lower connecting base 4, the strength of rotation need overcome the elastic force of back-moving spring 26, and steel ball 27 is compressed in the blind hole 25; After rotation was finished, steel ball 27 can cooperate the location with a locating hole 28 again.

For the convenient first hollowed out spherical cover 13 is installed with first spring 5 is connected, so that processing and manufacturing, simultaneously, also for convenience contraceptive is put into the first hollowed out spherical cover 13, as depicted in figs. 1 and 2, one end of first spring 5 is installed first holder 9, first spring 5 is connected with the first hollowed out spherical cover 13 by first holder 9, the first hollowed out spherical cover 13 is made by the higher metal material of toughness, one end of the first hollowed out spherical cover 13 is offered aperture 42, the rear and front end of first holder 9 be provided with respectively first convex annular along 34 and second convex annular along 36, first convex annular forms annular positioning groove 35 along 34 and second convex annular between 36, first convex annular is positioned at the first hollowed out spherical cover 13 along 34, aperture 42 is positioned at the periphery of annular positioning groove 35, and first convex annular can prevent to put into the first hollowed out spherical cover, 13 medicines along 34 and second convex annular along 36 and skid off.In the time of medicine need being packed in the first hollowed out spherical cover 13, strut aperture 42 earlier, first convex annular along 34 by shifting out in the first hollowed out spherical cover 13, can be taken off the first hollowed out spherical cover 13; Again medicine is put into the first hollowed out spherical cover 13 by aperture 42; Then, can strut aperture 42 once more the first hollowed out spherical cover 13 is set on first holder 9, make aperture 42 be positioned at annular positioning groove 35 peripheries, can the first hollowed out spherical cover 13 and first holder 9 is fixing.According to same organization plan, the second hollowed out spherical cover 14 and second spring 6, the 3rd hollowed out spherical cover 15 and the 3rd spring 7, the 4th hollowed out spherical cover 16 is fixed with the also available identical method of the 4th spring 8, concrete scheme is, the second hollowed out spherical cover 14, the planform of the 3rd hollowed out spherical cover 15 and the 4th hollowed out spherical cover 16 and the first hollowed out spherical cover 13 is identical, second spring 6 is connected with the second hollowed out spherical cover 14 by second holder 10, the 3rd spring 7 is connected with the 3rd hollowed out spherical cover 15 by the 3rd holder 11, the 4th spring 8 is connected with the 4th hollowed out spherical cover 16 by the 4th holder 12, its connected mode is as the connected mode of the first hollowed out spherical cover 13 and first holder 9, second holder 10, the planform of the 3rd holder 11 and the 4th holder 12 and first holder 9 is identical.

According to different users characteristics of human body's difference, can make the distance of the distance of the first hollowed out spherical cover, 13 to second hollowed out spherical covers 14 greater than the 3rd hollowed out spherical cover 15 to the 4th hollowed out spherical covers 16, thereby, can play the effect of contraception to greatest extent.

The present invention not technology contents of detailed description is known technology.

Claims

1. I-shaped vertical intrauterine device, it is characterized in that: comprise upper connecting rod (1) and lower connecting rod (2), offer inner chamber (33) in the lower connecting rod (2), inner chamber (33) is to run through cavity from what an end to the other end of lower connecting rod (2) of lower connecting rod (2) was offered, the bottom of upper connecting rod (1) is provided with guide rod (41), guide rod (41) is positioned at inner chamber (33), offer gathering sill (18) on the inwall of lower connecting rod (2), guide pad (19) is set on the sidewall of guide rod (41), guide pad (19) cooperates with gathering sill (18), one end of guide rod (41) is offered screw (20), the interior construction bolt of screw (20) (21), bolt (21) is threaded with screw (20), the lower end of bolt (21) is provided with moving block (32), moving block (32) is positioned at outside the screw (20), the periphery of moving block (32) is offered cannelure (22), annular lug (23) is set on the inwall of lower connecting rod (2), annular lug (23) cooperates with cannelure (22), post groove (37) is offered in moving block (32) lower end, the lower end of lower connecting rod (2) is provided with two connecting rods (39), the lower end of every connecting rod (39) is provided with hook (31), hook (31) is offered groove (40) with connecting rod (39) junction, lower connecting base (4) is installed in lower connecting rod (2) lower end, the middle part of lower connecting base (4) is provided with rotating shaft (24), rotating shaft (24) is positioned at inner chamber (33), the upper end of rotating shaft (24) is provided with joint pin (38), joint pin (38) is positioned at post groove (37), joint pin (38) all is trianglees with the transverse shape of post groove (37), offer annular mounting groove (29) on the lower connecting base (4), annular mounting groove (29) is positioned at the periphery of rotating shaft (24), on annular mounting groove (29) inwall annular stop projection (30) is set, connecting rod (39) is positioned at annular mounting groove (29), hook (31) cooperates with annular stop projection (30), the two ends, the left and right sides of lower connecting base (4) are installed the 3rd spring (7) and the 4th spring (8) respectively, the 3rd spring (7) is gone up the 3rd empty enclosed globe shade (15) is installed, the 4th spring (8) is gone up the 4th hollowed out spherical cover (16) is installed, Connection Block (3) is installed in the upper end of upper connecting rod (1), first spring (5) and second spring (6) are installed in the two ends, the left and right sides of upper connecting base (3), first spring (5) is gone up the first hollowed out spherical cover (13) is installed, and second spring (6) is gone up the second hollowed out spherical cover (14) is installed.

2. I-shaped vertical intrauterine device according to claim 1, it is characterized in that: between upper connecting rod (1) and the lower connecting rod (2) telescopic (17) is installed, one end of telescopic (17) is connected with upper connecting rod (1), and the other end of telescopic (17) is connected with lower connecting rod (2).

3. I-shaped vertical intrauterine device according to claim 1 and 2, it is characterized in that: offer blind hole (25) on the sidewall of rotating shaft (24), back-moving spring (26) is installed in the blind hole (25), one end of back-moving spring (26) is installed steel ball (27), offer at least three locating holes (28) on the inwall of lower connecting rod (2), steel ball (27) cooperates with one of them locating hole (28).

4. I-shaped vertical intrauterine device according to claim 3, it is characterized in that: an end of first spring (5) is installed first holder (9), first spring (5) is connected with the first hollowed out spherical cover (13) by first holder (9), the first hollowed out spherical cover (13) is made by the higher metal material of toughness, one end of the first hollowed out spherical cover (13) is offered aperture (42), the rear and front end of first holder (9) is provided with first convex annular respectively along (34) and second convex annular edge (36), first convex annular forms annular positioning groove (35) along (34) and second convex annular along between (36), first convex annular is positioned at the first hollowed out spherical cover (13) along (34), and aperture (42) are positioned at the periphery of annular positioning groove (35).

5. I-shaped vertical intrauterine device according to claim 1 is characterized in that: the first hollowed out spherical cover (13) to the distance of the second hollowed out spherical cover (14) greater than the distance of the 3rd empty enclosed globe shade (15) to the 4th hollowed out spherical cover (16).