阅读说明：本技术 一种男性节育避孕装置 (Male contraceptive device ) 是由 和林峰 于 2021-11-17 设计创作，主要内容包括：本发明涉及节育避孕领域,公开了一种男性节育避孕装置,包括第一尿道杆、第二尿道杆、会阴杆和三通阀,第一尿道杆、第二尿道杆和会阴杆均为中空杆体,第一尿道杆、第二尿道杆、会阴杆分别依次与三通阀的输入端、第一输出端、第二输出端一一对应连通,第一尿道杆通过三通阀与会阴杆连通,第一尿道杆、第二尿道杆设置在同一轴线上,三通阀用于控制第一尿道杆与第二尿道杆之间连通。本方案结构小巧,通过控制三通阀的旋向,进而改变男性身体中尿液/精液流向实现避孕的目的,降低了其他避孕方式中对男性和女性身体或身心上的负面影响。(The invention relates to the field of birth control and contraception, and discloses a male birth control and contraception device which comprises a first urethral rod, a second urethral rod, a perineum rod and a three-way valve, wherein the first urethral rod, the second urethral rod and the perineum rod are hollow rod bodies, the first urethral rod, the second urethral rod and the perineum rod are respectively and sequentially communicated with the input end, the first output end and the second output end of the three-way valve in a one-to-one correspondence mode, the first urethral rod is communicated with the perineum rod through the three-way valve, the first urethral rod and the second urethral rod are arranged on the same axis, and the three-way valve is used for controlling the communication between the first urethral rod and the second urethral rod. The scheme has a small and exquisite structure, changes the flow direction of urine/semen in the male body to realize the purpose of contraception by controlling the turning direction of the three-way valve, and reduces the negative influence on the male body, the female body or the body and mind in other contraception modes.)

1. The utility model provides a male sex contraceptive device, its characterized in that, includes first urethra pole (1), second urethra pole (2), perineum pole (3) and three-way valve (4), first urethra pole (1), second urethra pole (2) and perineum pole (3) are the cavity body of rod, first urethra pole (1), second urethra pole (2), perineum pole (3) respectively in proper order with input, first output, the one-to-one intercommunication of second output of three-way valve (4), first urethra pole (1) is passed through three-way valve (4) and perineum pole (3) intercommunication, first urethra pole (1), second urethra pole (2) set up on the same axis, three-way valve (4) are used for controlling communicate between first urethra pole (1) and the second urethra pole (2).

2. A male contraceptive device according to claim 1, characterised in that the three-way valve (4) has a valve cartridge (5) rotatably connected thereto, the valve core (5) comprises a first inlet (51), a second inlet (52), a first outlet (53) and a second outlet (54) which are communicated with each other, the first inlet (51) and the second inlet (52) are provided with included angles, the first inlet (51) and the second inlet (52) are selectively communicated with the input end of the three-way valve (4), the first inlet (51) is coaxially provided with the first outlet (53), the first outlet (53) is selectively communicated with a first output end of the three-way valve (4), the axis of the second outlet (54) is vertical to the plane of the first inlet (51), the second inlet (52) and the first outlet (53), the second outlet (54) communicates with a second output of the three-way valve (4).

3. The male contraceptive device according to claim 2, wherein the perineum rod (3) is detachably connected to the second output end of the three-way valve (4), the perineum rod (3) can rotate along the axis of the second output end of the three-way valve (4), a connecting rod (33) is fixedly connected to one end of the perineum rod (3) close to the second output end of the three-way valve (4), and a mounting groove (55) matched with the connecting rod (33) is formed in the side wall of the valve core (5) facing the perineum rod (3).

4. A male contraceptive device according to claim 3, characterised in that the perineum rod (3) comprises a first perineum rod (31) and a second perineum rod (32) which are coaxially arranged and can rotate relatively, the connecting rod (33) is fixedly connected to one end of the first perineum rod (31) close to the second output end of the three-way valve (4), the second perineum rod (32) is sleeved outside the first perineum rod (31), the second perineum rod (32) and the second output end of the three-way valve (4) are detachably connected, and the end of the first perineum rod (31) far away from the second output end of the three-way valve (4) is detachably connected with a plug (8).

5. A male birth control and contraception device according to claim 4, wherein the first vaginal rod (31) comprises a first rod part (311) and a first knob part (312), the connecting rod (33) is fixedly connected to one end of the first rod part (311) close to the second output end of the three-way valve (4), the first knob part (312) is fixedly connected to one end of the first rod part (311) far from the second output end of the three-way valve (4), and a plug (8) is detachably connected to one end of the first knob part (312) far from the second output end of the three-way valve (4);

second perineum pole (32) include second pole portion (321) and second knob portion (322), second pole portion (321) with the connection can be dismantled to the second output of three-way valve (4), second pole portion (321) are kept away from the one end rigid coupling of second output has second knob portion (322).

6. A male contraceptive device according to claim 5, characterised in that the first stem portion (311) and/or the first knob portion (312) are provided with a ring-shaped protrusion (313) on the outer side wall, the second stem portion (321) and/or the second knob portion (322) are provided with a ring-shaped groove (323) on the inner side wall, and the ring-shaped protrusion (313) is embedded in the ring-shaped groove (323).

7. The male contraceptive device according to claim 5, wherein a positioning groove (56) is formed in a side wall of the valve core (5) away from the second outlet (54), a positioning rod (41) is connected to an inner wall of the three-way valve (4), the other end of the positioning rod (41) is slidably connected to the positioning groove (56), the positioning groove (56) and the positioning rod (41) are matched to limit a rotation angle of the valve core (5), and an included angle between the first inlet (51) and the second inlet (52) is equal to the rotation angle.

8. The male contraceptive device of claim 5, wherein the first knob portion (312) has a first knob mark (314) disposed thereon, and the second knob portion (322) has a second knob mark (325) disposed thereon, the first knob mark (314) and the second knob mark (325) being used to identify a rotation angle of the first knob portion (312).

9. A male contraceptive device according to claim 5, characterised in that the second knob portion (322) has a recess (324) in its side wall, the recess (324) having a perineal mounting rod (6) removably attached thereto; one end, far away from the three-way valve (4), of the second urethral rod (2) is detachably connected with a urethral installation rod (7).

10. A male contraceptive device according to any one of claims 4 to 9, characterised in that the plug (8) is a normal plug, a drug plug or a semen plug.

Technical Field

The invention relates to the field of birth control and contraception, in particular to a male birth control and contraception device.

Background

In real life, men usually use contraceptives, condoms or ligation of vas deferens. However, taking a large amount of contraceptive will result in the development of male breast, penis diminution and sexual hypofunction; the use of the condom not only can affect the feeling of the reproductive organs, but also can easily cause the risk of rupture due to improper use, thereby causing accidental pregnancy; although the vasoligation can realize permanent contraception, the operation is simple, the most common complications after the vasoligation are hemorrhage, hematoma, painful nodules, epididymis stasis and the like, and the psychological burden is easily caused to the male. The reasons result in that most men refuse to select contraceptive measures and adopt the mode that women select oral contraceptive or in vitro ejaculation to achieve the contraceptive purpose, but the female oral contraceptive can cause irregular menstruation, delayed or advanced menstruation and induced abortion by accidental pregnancy, and the mode of selecting abortion particularly causes great trauma to the psychology of women.

In view of the above, it is important for those skilled in the art to design a male contraceptive device that can change the flow direction of urine/semen in urethra to achieve the goal of contraception and reduce the physical and psychological burden of male and female.

Disclosure of Invention

The invention aims to provide a male birth control contraceptive device, which solves the problems in the prior art and overcomes the negative influence on the body or mind or the insufficient genital sensation caused by the prior contraceptive measures.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a male birth control contraceptive device which comprises a first urethral rod, a second urethral rod, a perineum rod and a three-way valve, wherein the first urethral rod, the second urethral rod and the perineum rod are hollow rod bodies, the first urethral rod, the second urethral rod and the perineum rod are respectively communicated with an input end, a first output end and a second output end of the three-way valve in a one-to-one correspondence mode, the first urethral rod is communicated with the perineum rod through the three-way valve, the first urethral rod and the second urethral rod are arranged on the same axis, and the three-way valve is used for controlling the communication between the first urethral rod and the second urethral rod.

Furthermore, a valve core is rotatably connected in the three-way valve, the valve core comprises a first inlet, a second inlet, a first outlet and a second outlet which are communicated with each other, an included angle is formed between the first inlet and the second inlet, the first inlet and the second inlet can be selectively communicated with the input end of the three-way valve, the first inlet is coaxially provided with the first outlet, the first outlet can be selectively communicated with the first output end of the three-way valve, the axis of the second outlet is perpendicular to the plane where the first inlet, the second inlet and the first outlet are located, and the second outlet is communicated with the second output end of the three-way valve.

Further, the second output can be dismantled and be connected with the perineum pole, the perineum pole of three-way valve can be followed the axle center of the second output of three-way valve rotates, the perineum pole is close to the one end rigid coupling of the second output of three-way valve has the connecting rod, the case orientation set up on the lateral wall of perineum pole with the mounting groove of connecting rod looks adaptation.

Further, the perineum pole includes coaxial setting and first perineum pole of ability relative rotation and second perineum pole, first cloudy pole is close to the one end rigid coupling of the second output of three-way valve has the connecting rod, first cloudy pole outside cover is equipped with the second perineum pole, the second perineum pole with the connection can be dismantled to the second output of three-way valve, first perineum pole is kept away from the one end of the second output of three-way valve can be dismantled and be connected with the end cap.

Furthermore, the first converging rod comprises a first rod part and a first knob part, the connecting rod is fixedly connected to one end, close to the second output end of the three-way valve, of the first rod part, the first knob part is fixedly connected to one end, far away from the second output end of the three-way valve, of the first rod part, and a plug is detachably connected to one end, far away from the second output end of the three-way valve, of the first knob part;

the second perineum rod comprises a second rod part and a second knob part, the second rod part is detachably connected with the second output end of the three-way valve, and the second rod part is far away from one end of the second output end and fixedly connected with the second knob part.

Furthermore, the outer side wall of the first rod part and/or the first knob part is provided with an annular bulge, the inner side wall of the second rod part and/or the second knob part is provided with an annular groove, and the annular bulge is embedded in the annular groove.

Furthermore, a positioning groove is formed in the side wall, away from the second outlet, of the valve core, the inner wall of the three-way valve is connected with one end of a positioning rod, the other end of the positioning rod is connected with the positioning groove in a sliding mode, the positioning groove is matched with the positioning rod and used for limiting the rotation angle of the valve core, and the included angle between the first inlet and the second inlet is equal to the rotation angle.

Furthermore, a first knob mark is arranged on the first knob part, a second knob mark is arranged on the second knob part, and the first knob mark and the second knob mark are used for identifying the rotation angle of the first knob part.

Further, a notch is arranged on the side wall of the second knob part, and a perineum installation rod is detachably connected with the notch; one end of the second urethra pole, which is far away from the three-way valve, is detachably connected with a urethra mounting pole.

Furthermore, the plug is a common plug, a medicine plug or a semen storage plug.

The invention discloses the following technical effects: the scheme has a small and exquisite structure, changes the flow direction of urine/semen in the male urethra to achieve the purpose of contraception by controlling the turning direction of the three-way valve, is simple and quick in contraceptive mode, and can effectively reduce the negative effects on the male and female bodies or the body and mind compared with the traditional contraceptive mode.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

Fig. 1 is an isometric view of a male contraceptive device (including perineal and urethral mounting rods) of the present invention;

FIG. 2 is a schematic illustration of a contraceptive device of the present invention during installation into the urethra;

fig. 3 is a right side view of the male contraceptive device of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic structural view of the valve cartridge of the present invention;

FIG. 6 is a schematic view of the valve cartridge of the present invention in another orientation;

FIG. 7 is a schematic structural diagram of a conventional plug (short plug) according to the present invention;

FIG. 8 is a schematic structural view of a conventional plug (long plug) according to the present invention;

FIG. 9 is a schematic view of a drug stopper of the present invention;

FIG. 10 is a schematic structural view of the plug for storing semen of the present invention;

reference numerals: 1. a first urethral rod; 2. a second urethral rod; 3. a perineal rod; 4. a three-way valve; 5. a valve core; 6. a perineum mounting rod; 7. a urethra mounting rod; 8. a plug; 31. a first female shaft; 32. a second perineal rod; 33. a connecting rod; 41. positioning a rod; 51. a first inlet; 52. a second inlet; 53. a first outlet; 54. a second outlet; 55. mounting grooves; 56. positioning a groove; 81. carrying out grain treatment; 82. storing semen bags; 311. a first rod portion; 312. a first knob portion; 313. an annular projection; 314. a first knob mark; 321. a second rod portion; 322. a second knob portion; 323. an annular groove; 324. a recess; 325. a second knob mark.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-4, the invention provides a male birth control contraceptive device, which is implanted into a male urethra (specifically a perineum), and realizes the contraceptive purpose by changing the output path of semen, and specifically comprises a first urethral rod 1, a second urethral rod 2, a perineum rod 3 and a three-way valve 4, wherein the materials are silica gel, rubber or metal.

The first urethral rod 1, the second urethral rod 2 and the perineum rod 3 are all hollow rod bodies, the first urethral rod 1, the second urethral rod 2 and the perineum rod 3 are respectively and sequentially communicated with the input end, the first output end and the second output end of the three-way valve 4 in a one-to-one correspondence way, the communication way adopts a fixedly connected way, for example, the welding process, ensures the smooth outer surface of the connecting position, the first urethral rod 1 is communicated with the perineal rod 3 through the three-way valve 4, and in the using process, when the three-way valve 4 is rotated to realize different use environments, the first urethra 1 and the perineum rod 3 are always communicated, the first urethra rod 1 and the second urethra rod 2 are arranged on the same axis, the three-way valve 4 is used for controlling the communication between the first urethra rod 1 and the second urethra rod 2, in the use process, the three-way valve 4 is rotated under different use environments, and the three-way valve 4 can enable the first urine channel rod 1 and the second urine channel rod 2 to be communicated or not communicated.

In the scheme, the three-way valve 4 is selected from a two-position three-way valve, and the flow direction of urine/semen is changed through the three-way valve 4 to achieve the purpose of contraception. Specifically, referring to fig. 2, in the scheme, a first urethral rod 1, a second urethral rod 2 and a three-way valve 4 are preset in the male urethra, the urethra at the position corresponding to the perineum is opened through an operation, and when urine is normally excreted, the urine passes through the urethra, the first urethral rod 1, the three-way valve 4 and the second urethral rod 2 in sequence and then is discharged out of the body through the urethra again; the urethra trompil that will correspond perineum department through the operation, perineum pole 3 is installed in trompil department, and perineum pole 3 pierces through perineum department and sets up, and the one end that three-way valve 4 was kept away from to perineum pole 3 exposes extracorporeally, when needing to take contraceptive measures, through controlling three-way valve 4, it is external that semen loops through urethra, first urethra pole 1, three-way valve 4, 3 discharges of perineum pole, and then the realization is external with the semen discharge.

The diameter of the male urethra is 7mm-9mm on average, it should be understood that the diameters of the first urethra rod 1, the second urethra rod 2 and the perineum rod 3 are 7mm-9mm, and in the scheme, the first urethra rod 1, the three-way valve 4 and the second urethra rod 2 are implanted into the tail end of the cavernous body part of the urethra or the front end of the bulb part. Namely, the first urethra pole 1, the three-way valve 4 and the second urethra pole 2 are arranged in the urethra below the scrotum at the perineum. It should be specially noted that the input end of the three-way valve 4 is always communicated with the second output end in the scheme, and when contraceptive measures are not needed at ordinary times, urination can be performed in a mode that the second output end of the three-way valve 4 is blocked by hands or other blocking objects in a short time, and certainly, urination can also be performed in a mode that a user squats down on the body.

Referring to fig. 5-6, to achieve the characteristic of the three-way valve 4 changing the flow direction of the urine/semen, the present solution is implemented as follows: the three-way valve 4 is rotatably connected with a valve core 5, the valve core 5 comprises a first inlet 51, a second inlet 52, a first outlet 53 and a second outlet 54 which are communicated with each other, when the three-way valve is used, the valve core 5 circumferentially rotates around the axis of the second outlet 54 to control the flow direction of liquid, the first inlet 51 and the second inlet 52 are provided with included angles, the first inlet 51 and the second inlet 52 are selectively communicated with the input end of the three-way valve 4, the first inlet 51 is coaxially provided with the first outlet 53, the first outlet 53 is selectively communicated with the first output end of the three-way valve 4, the axis of the second outlet 54 is perpendicular to the plane where the first inlet 51, the second inlet 52 and the first outlet 53 are located, and the second outlet 54 is always communicated with the second output end of the three-way valve 4.

The implementation mode is as follows: when the first inlet 51 is communicated with the input end of the three-way valve 4, urine can enter from the first inlet 51 and be discharged from the first outlet 53 by blocking the second output end of the three-way valve 4; by rotating the valve core 5, when the second inlet 52 is communicated with the input end of the three-way valve 4, the first outlet 53 is not butted with the first output end of the three-way valve 4, and at the moment, semen can enter from the first inlet 51 and be discharged from the second outlet 54, so that the requirement of contraception is met.

Preferably, referring to fig. 4, in order to control circumferential rotation of the valve core 5, the second output end of the three-way valve 4 can be detachably connected with the perineum rod 3, the perineum rod 3 can rotate along the axis of the second output end of the three-way valve 4, the end of the perineum rod 3 close to the second output end of the three-way valve 4 is fixedly connected with the connecting rod 33, the valve core 5 is provided with a mounting groove 55 towards the side wall of the perineum rod 3, the mounting groove 55 is matched with the connecting rod 33, the connecting rod 33 is mounted in the mounting groove 55, and the connecting rod 33 is driven to rotate through rotating the perineum rod 3 so as to change the flow direction of the three-way valve 4.

Perineum pole 3 includes first cloudy pole 31 and second perineum pole 32 of coaxial setting, first cloudy pole 31 and second perineum pole 32 can rotate relatively, the one end rigid coupling that first cloudy pole 31 is close to the second output of three-way valve 4 has connecting rod 33, realize the flow direction change in the three-way valve 4 through rotatory first cloudy pole 31, first perineum pole 31 outside cover is equipped with second perineum pole 32, the connection can be dismantled to second perineum pole 32 and three-way valve 4's second output, and then avoid liquid leakage, the one end that the second output of three-way valve 4 was kept away from to first cloudy pole 31 can be dismantled and be connected with end cap 8. The second perineal rod 32 is kept stable with the second output end of the three-way valve 4, and the rotation direction of the valve core 5 is changed by rotating the first perineal rod 31.

Preferably, the first converging rod 31 comprises a first rod part 311 and a first knob part 312, one end of the first rod part 311 close to the second output end of the three-way valve 4 is fixedly connected with a connecting rod 33, one end of the first rod part 311 far away from the second output end of the three-way valve 4 is fixedly connected with the first knob part 312, one end of the first knob part 312 far away from the second output end of the three-way valve 4 is detachably connected with a plug 8, and in the rotating process, the first knob part 312 is rotated to drive the first rod part 311 to rotate, so that the rotating torque is increased, and the operation is convenient; second perineum pole 32 includes second pole portion 321 and second knob portion 322, the one end that second pole portion 321 is close to second export 54 is provided with the external screw thread, three-way valve 4's second output is provided with the internal thread with external screw thread looks adaptation, three-way valve 4's second output, second pole portion 321 threaded connection, the one end rigid coupling that the second pole portion 321 kept away from three-way valve 4's second output has second knob portion 322, it can realize second pole portion 321 and three-way valve 4's output and can dismantle the connection to utilize second knob portion 322 to rotate, the principle that sets up second knob portion 322 is the same with the principle of first knob portion 312, no longer repeated here. Specifically, the diameters of the first knob portion 312 and the second knob portion 322 are equal, which facilitates the relative rotation of the first knob portion 312 and the second knob portion 322.

Preferably, since the connection rod 33 and the mounting groove 55 are inserted, the axial fixation of the first rod portion 311 and the first knob portion 312 is not firm enough, and the following solution is achieved: the outer side wall of the first rod part 311 and/or the first knob part 312 is provided with an annular protrusion 313, the inner side wall of the second rod part 321 and/or the second knob part 322 is provided with an annular groove 323, and the annular protrusion 313 is embedded in the annular groove 323.

In the scheme, the first rod part 311 is provided with the annular protrusion 313, the joint of the second rod part 321 and the second knob part 322 is provided with the groove, the first rod part 311 and the first knob part 312 are assembled into a whole in a split splicing mode, and the second rod part 321 and the second knob part 322 are also assembled into a whole in a split splicing mode. The scheme not only can realize the radial positioning of the first rod part 311 and the first knob part 312, but also has strong practicability and convenient operation.

Referring to fig. 4 and 6, in order to locate the rotation angle of the valve core 5, and to facilitate the use process, a positioning groove 56 is formed in the side wall of the valve core 5 away from the second outlet 54, the positioning groove 56 is an arc-shaped groove, the inner wall of the three-way valve 4 is connected with a positioning rod 41, the other end of the positioning rod 41 is embedded in the positioning groove 56 and can slide relatively, the positioning groove 56 is matched with the positioning rod 41 to limit the rotation angle of the valve core 5, the included angle between the first inlet 51 and the second inlet 52 is equal to the rotation angle, and the angle is preferably 90 degrees.

Preferably, referring to fig. 1, since the present solution is disposed at the perineum, it is inconvenient for a user to identify the rotation angle of the valve core 5, the first knob portion 312 is provided with the first knob mark 314, the second knob portion 322 is provided with the second knob mark 325, and the first knob mark 314 and the second knob mark 325 are used for identifying the rotation angle of the first knob portion 312 relative to the second knob portion 322.

Referring to fig. 1, in order to facilitate the installation process of the second perineal rod 32, a notch 324 is provided on the sidewall of the second knob portion 322, the perineal installation rod 6 is detachably connected to the notch 324, and here, a plugging connection mode can be adopted, and the perineal installation rod 6 can increase the rotation torque of the second perineal rod 32.

In order to facilitate the implantation process of the contraceptive device, a thread structure is arranged at one end, away from the three-way valve 4, of the second urethral rod 2, a urethral installation rod 7 is additionally arranged in the contraceptive device, the thread structure is also arranged at one end of the urethral installation rod 7, and the urethral installation rod 7 is detachably connected with the second urethral rod 2. The length of the urethra installation rod 7 is set to be 18-22 cm.

Preferably, as shown in fig. 1-4 and fig. 7-10, a plug 8 is detachably connected to an end of the first knob portion 312 away from the second output end of the three-way valve 4, and the plug 8 is a common plug, a medicine plug or a semen storage plug. The plug 8 may be connected by a threaded connection or an interference fit. The common plugs are divided into short plugs and long plugs, which are both solid plugs, the short plugs and the long plugs are distinguished by relative lengths, and are not specific, so that the long plugs are more favorable for keeping the inner wall of the perineum rod 3 dry compared with the short plugs; the drug plug is characterized in that a drug column 81 is additionally arranged at the head end of the short plug, the drug column 81 can be an anti-inflammatory drug and the like, and the drug plug is used for treating diseases such as urethritis, prostatitis or cystitis; the semen storage plug is a combination of a hollow plug and a semen storage bag 82, the hollow plug is connected with the tail end of the first knob part 312, the other end of the hollow plug is connected with the semen storage bag 82, and the semen storage bag 82 can be made of polyurethane or latex materials and used for storing semen.

The installation process of the contraceptive device comprises the following steps:

the device is integrally sterilized, a first urethral rod 1, a three-way valve 4 and a second urethral rod 2 are assembled, one end of the second urethral rod 2, which is far away from the three-way valve 4, is provided with a urethra mounting rod 7, one end of the first urethral rod 1, which is far away from the three-way valve 4, is coated with sterile lubricant, the first urethral rod 1, the three-way valve 4 and the second urethral rod 2 are inserted into a urethra through the urethra mounting rod 7, the insertion length is about 15cm, the three-way valve 4 is positioned at the tail end or the front end of a urethral cavernous body part, a hole is formed in the perineum to reach the urethra, the second output end of the three-way valve 4 is aligned to the hole by adjusting the urethra mounting rod 7, the perineum rods 3 are butted, in the process of butting of the perineum rods 3, in order to realize stable and firm installation of the perineum rods 3, the rotation torque can be improved by additionally installing the perineum mounting rod 6, one side (namely a first knob part 312 and a second knob part 322) of the perineum mounting rod 6, which is far away from the second output end of the three-way valve 4, is exposed outside the body, after the perineum rod 3 is installed, the perineum installation rod 6 is taken down and screwed out of the urethra installation rod 7, so that the installation process of the invention is realized.

When contraceptive measures are not needed, the contraceptive device can be dismantled, and the specific dismantling process is as follows:

the urethra mounting rod 7 is screwed into one end of the second urethra rod 2 and fixed, the perineum rod 3 is detached by the perineum mounting rod 6, the first urethra rod 1, the three-way valve 4 and the second urethra rod 2 are taken out of the urethra by the urethra mounting rod 7, and the perineum is sutured, so that the detachment process is completed.

The invention can realize contraceptive measures after installation, does not influence later pregnancy after dismantling, and is safe, simple and convenient to use.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.