CN103385781B - Contraceptive - Google Patents
Contraceptive Download PDFInfo
- Publication number
- CN103385781B CN103385781B CN201310315733.XA CN201310315733A CN103385781B CN 103385781 B CN103385781 B CN 103385781B CN 201310315733 A CN201310315733 A CN 201310315733A CN 103385781 B CN103385781 B CN 103385781B
- Authority
- CN
- China
- Prior art keywords
- spermicide
- rubber membrane
- trocar sheath
- silicon rubber
- casing pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002254 contraceptive effect Effects 0.000 title claims abstract description 31
- 239000003433 contraceptive agent Substances 0.000 title claims abstract description 30
- 239000000934 spermatocidal agent Substances 0.000 claims abstract description 72
- 239000012528 membrane Substances 0.000 claims abstract description 50
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 49
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 16
- 238000000338 in vitro Methods 0.000 claims abstract description 10
- 239000004945 silicone rubber Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 15
- 239000000084 colloidal system Substances 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 11
- 239000003814 drug Substances 0.000 claims description 10
- 229940079593 drug Drugs 0.000 claims description 10
- 229920001661 Chitosan Polymers 0.000 claims description 8
- 235000014220 Rhus chinensis Nutrition 0.000 claims description 8
- 240000003152 Rhus chinensis Species 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 239000002923 metal particle Substances 0.000 abstract 1
- 238000013268 sustained release Methods 0.000 abstract 1
- 239000012730 sustained-release form Substances 0.000 abstract 1
- 210000003679 cervix uteri Anatomy 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 210000001215 vagina Anatomy 0.000 description 6
- 230000035807 sensation Effects 0.000 description 5
- 230000001568 sexual effect Effects 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 229940127234 oral contraceptive Drugs 0.000 description 1
- 239000003539 oral contraceptive agent Substances 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001150 spermicidal effect Effects 0.000 description 1
- 230000005186 women's health Effects 0.000 description 1
Landscapes
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides an in vitro contraceptive for female. The in vitro contraceptive comprises an outer casing pipe, wherein a fixing ring is arranged at one end of the outer casing pipe; one axial end of the fixing ring is connected with the outer wall of the outer casing pipe through threads; an inner casing pipe is arranged inside the outer casing pipe; a flange ring is arranged at one end, which is away from the fixing ring, of the inner casing pipe; one end, which is close to the fixing ring, of the inner casing pipe, is positioned outside the outer casing pipe; an electromagnet is arranged at the inner part of one end, which is close to the fixing ring, of the inner casing pipe; a boosting tube is arranged between the inner casing pipe and the outer casing pipe; a boosting block is arranged at one end, which is close to the fixing ring, of the boosting tube; a guiding groove is formed in the side wall of the outer casing pipe; a deflector rod is arranged in the guiding groove and is connected with the boosting tube; an in vitro spermicide membrane is a semi-spherical elastic membrance; after the in vitro spermicide membrane is reversely bent, the edge of the in vitro spermicide membrane is arranged between the outer wall of the outer casing pipe and the inner wall of the fixing ring and is fixed; the in vitro spermicide membrane comprises a semi-spherical silicone rubber membrane; ferromagnetic metal particles are uniformly distributed in the semi-spherical silicone rubber membrane; a spermicide sustained-release layer is arranged on the convex surface of the semi-spherical silicone rubber membrane. According to the in vitro contraceptive disclosed by the invention, the defects of the traditional contraception mode can be overcome.
Description
Technical field
The present invention relates to a kind of family planning apparatus, specifically a kind of contraceptive medicines and devices.
Background technology
Artificial contraceptive method common at present is mainly practised contraception based on the contraception of traditional physical devices, medicinal preparation for oral administration and spermicide emerging is in recent years practised contraception and the mode of vaginal diaphragm contraception, wherein traditional physical devices mode and the contraception success rate of medicinal preparation for oral administration mode are all in higher level, can reach more than 98%, but the shortcoming of traditional contraceptive method is obvious too: when adopting physical devices to practise contraception, the pleasant sensation of sexual life between both sexes can be made to decrease; Oral contraceptive has larger side effect, affects women's health.And although the pleasant sensation impact of the mode adopting spermicide or contraceptive diaphragm to carry out practising contraception on sexual life between both sexes is less, and non-evident effect, but these two kinds of contraceptive methods equally also have obvious shortcoming: the contraception success rate of spermicide is the highest only can reach 70%-80%, and unplanned pregnancy risk is higher, though contraceptive diaphragm can reach the contraception success rate of more than 95% when proper use of, but place and take out step due to it very loaded down with trivial details, most of user is difficult to grasp its proper use of main points, use and cause the situation of contraceptive failure of common occurrence because operate miss makes barrier film accurately not cover on cervix uteri, in addition, because sperm is generally 6-8 hour in the intravaginal time-to-live, therefore when using contraceptive diaphragm, 8-12 hour ability need take out after sexual life, otherwise do not reach contraception object, and contraceptive diaphragm long storage time will certainly bring uncomfortable sensation to user in user body, therefore at present spermicide contraceptive product and vaginal diaphragm contraception product all not accept by consumer.
Summary of the invention
The object of this invention is to provide a kind of contraceptive medicines and devices, solve the deficiency of existing contraceptive method.
The present invention for achieving the above object, be achieved through the following technical solutions: comprise trocar sheath, retainer ring is installed in trocar sheath one end, the axial one end of retainer ring is connected with trocar sheath outer wall by screw thread, inner sleeve is installed in trocar sheath inside, inner sleeve arranges bulge loop away from one end of retainer ring, bulge loop is connected with trocar sheath, inner sleeve is positioned at trocar sheath outside near one end of retainer ring, inner sleeve installs electric magnet near inside, one end of retainer ring, the inner sleeve other end is connected with battery case, in battery case, battery is installed, the positive pole of battery is connected with electric magnet by wire with negative pole, wire arranges switch, switch is arranged on battery case, between inner sleeve and trocar sheath, boost tube is installed, boost tube installs boosting block near one end of retainer ring, boosting block and boost tube all can moving axially along inner sleeve, boosting block offers passage, passage makes to be communicated with between the axial both ends of the surface of boosting block, trocar sheath sidewall offers gathering sill, the length direction of gathering sill is parallel with the direction of principal axis of trocar sheath, in gathering sill, driving lever is installed, driving lever is connected with boost tube, spermicide film is hemispherical flexible sheet, after spermicide film oppositely bends, its edge is placed between trocar sheath outer wall and retainer ring inwall fixing, spermicide film comprises semispherical silicon rubber membrane, uniform ferromagnetic metal granule in semispherical silicon rubber membrane, the convex surface of semispherical silicon rubber membrane arranges spermicide slow release layer, the preparation method of spermicide film is as follows:
1. by viscosity be 200cp-300cp water-soluble chitosan solution with possess the Radix Platycodonis extract liquid of Spermicide in vitro effect, Chinese nutgall mixes, mixed proportion is: water-soluble chitosan solution 50%, Radix Platycodonis extract liquid 35%, Chinese nutgall 15%, obtain mixed liquor, for subsequent use after sterilization;
2. by 10mL-15mL step 1. in the mixed liquor that obtains pour in hemispherical die, adopt 35 DEG C of-50 DEG C of hot blasts to be dried by mixed liquor in the colloid without mobility by hot-air blower;
3. semispherical silicon Rubber membrane cover is contained in hemispherical convex mould surface, uses laser double Spherical silicone rubber film outer surface to be heated to 200 DEG C-250 DEG C, semispherical silicon rubber membrane outer surface is softened;
4. be can being sprinkling upon on the convex surface of semispherical silicon rubber membrane by the ferromagnetic metal uniform particles of attraction of 0.3mm-0.5mm by particle diameter, make ferromagnetic metal granule embed in semispherical silicon rubber membrane, then by semispherical silicon rubber membrane cooling curing;
5. by step 4. in semispherical silicon rubber membrane press-in step after cooling curing 2. in fill in the die of colloid, apply 0.5kg-1.0kg pressure, keep die sinking after 30 seconds-50 seconds, make colloid be attached on the convex surface of semispherical silicon rubber membrane;
6. use hot-air blower to adopt 35 DEG C of-50 DEG C of hot blasts to dry the colloid be attached on semispherical silicon rubber membrane convex surface, until its solidification, form spermicide slow release layer.
Boosting block is arc-shaped concave away from one end end face of boost tube.Boosting block installs elastic buffering pad away from one end end face of boost tube.Trocar sheath sidewall offers located lateral draw-in groove, and located lateral draw-in groove communicates with gathering sill one end away from retainer ring.Install torsion spring between inner sleeve and trocar sheath, one end is connected with inner sleeve, and the torsion spring other end is connected with block after passing trocar sheath by gathering sill.
The density of the ferromagnetic metal granule on semispherical silicon rubber membrane convex surface is 20/cm
2-50/cm
2.
The invention has the advantages that: spermicide and contraceptive diaphragm two kinds of contraceptive methods are combined, spermatozoon activity is killed on the one hand by spermicide, physical barriers can be formed on the other hand at cervix uteri place, prevent sperm from entering uterine cavity, after two kinds of contraceptive methods combine, contraception success rate can reach more than 99%; Spermicide film can take out immediately after sexual life, does not need to stay for a long time in user body, can not bring uncomfortable sensation to user; The taking-up of spermicide film and placement operation complete by special implement, anyly skillfully can grasp its proper use of main points per capita, pick and place conveniently, can guarantee that spermicide film accurately covers on cervix uteri; Not easily maloperation etc. is there is in use procedure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, for the present invention inserts the state before vagina shown in figure;
Fig. 2 is structural representation of the present invention, for after the present invention is placed in vagina shown in figure, by boosting block spermicide film is covered the state on cervix uteri;
Fig. 3 is that the A-A of Fig. 1 analyses and observe structure for amplifying schematic diagram;
Fig. 4 is the structural representation of spermicide film of the present invention;
Fig. 5 is I portion structure for amplifying schematic diagram in Fig. 1.
Detailed description of the invention
Contraceptive medicines and devices of the present invention comprise trocar sheath 1, retainer ring 4 is installed in trocar sheath 1 one end, the axial one end of retainer ring 4 is connected with trocar sheath 1 outer wall by screw thread, inner sleeve 3 is installed in trocar sheath 1 inside, inner sleeve 3 arranges bulge loop 5 away from one end of retainer ring 4, bulge loop 5 is connected with trocar sheath 1, inner sleeve 3 is positioned at trocar sheath 1 near one end of retainer ring 4 outside, inner sleeve 3 installs electric magnet 13 near inside, one end of retainer ring 4, inner sleeve 3 other end is connected with battery case 19, in battery case 19, battery 20 is installed, the positive pole of battery 20 is connected with electric magnet 13 by wire 21 with negative pole, wire 21 is arranged switch 22, switch 22 is arranged on battery case 19, boost tube 2 is installed between inner sleeve 3 and trocar sheath 1, boost tube 2 installs boosting block 6 near one end of retainer ring 4, boosting block 6 and boost tube 2 all can moving axially along inner sleeve 3, boosting block 6 is offered passage 12, passage 12 makes to be communicated with between the axial both ends of the surface of boosting block 6, trocar sheath 1 sidewall offers gathering sill 7, the length direction of gathering sill 7 is parallel with the direction of principal axis of trocar sheath 1, in gathering sill 7, driving lever 8 is installed, driving lever 8 is connected with boost tube 2, spermicide film 9 is hemispherical flexible sheet, its edge is placed between trocar sheath 1 outer wall and retainer ring 4 inwall fixing after spermicide film 9 oppositely bends, spermicide film 9 comprises semispherical silicon rubber membrane 10, uniform ferromagnetic metal granule in semispherical silicon rubber membrane 10, the convex surface of semispherical silicon rubber membrane 10 arranges spermicide slow release layer 11.Before the present invention uses, its edge is placed between trocar sheath 1 outer wall and retainer ring 4 inwall fixing after spermicide film 9 oppositely bends, inside the semispherical silicon rubber membrane 10 after making spermicide slow release layer 11 be positioned at oppositely bending.When placing spermicide film 9, wire 21 disconnects by switch 22, electric magnet 13 is in nonmagnetic state in cold situation, intravaginal is sent in one end that trocar sheath 1 is installed spermicide film 9 by user, until spermicide film 9 is against on cervix uteri by the end of inner sleeve 3, now driving lever 8 is promoted along gathering sill 7 to direction in body, driving lever 8 drives boosting block 6 to move by boost tube 2, spermicide film 9 is promoted to cervix uteri direction, in pushing course, the edge of spermicide film 9 is deviate from between trocar sheath 1 outer wall and retainer ring 4 inwall, spermicide film 9 resiles shape under the effect of himself elastic force and boosting block 6 thrust, cover on cervix uteri, physical barriers is formed at cervix uteri place, prevent sperm from entering uterine cavity.After spermicide film 9 recovery of shape, spermicide slow release layer 11 is positioned on semispherical silicon rubber membrane 10 outer convex surface, directly can contact, kill spermatozoon activity with the sperm entering vagina, improves contraception success rate further.Spermicide and contraceptive diaphragm two kinds of contraceptive methods combine by the present invention, spermatozoon activity is killed on the one hand by spermicide, can form physical barriers at cervix uteri place on the other hand, prevent sperm from entering uterine cavity, after two kinds of contraceptive methods combine, contraception success rate can reach more than 99%.Because the sperm entering vagina can effectively be intercepted outside cavity, and killed rapidly by spermicide, therefore spermicide film 9 of the present invention can take out immediately after sexual life, does not need to stay for a long time in user body, can not bring uncomfortable sensation to user.When spermicide film 9 takes out, user opens switch 22, electric magnet 13 is by wire 21 and battery 20 conducting, electric magnet 13 electric after produce magnetic, now trocar sheath 1 is sent into intravaginal, due to ferromagnetic metal granule uniform in spermicide film 9, therefore spermicide film 9 can be adsorbed by electric magnet 13, after inner sleeve 3 end contacts with the spermicide film 9 on cervix uteri, pull out trocar sheath 1 and just spermicide film 9 can be taken out.The taking-up of spermicide film 9 of the present invention and placement operation complete by special implement, anyly skillfully can grasp its proper use of main points per capita, pick and place conveniently, can guarantee that spermicide film accurately covers on cervix uteri, play barriering effect to sperm.
The preparation method of spermicide film 9 of the present invention is as follows:
1. by viscosity be 200cp-300cp water-soluble chitosan solution with possess the Radix Platycodonis extract liquid of Spermicide in vitro effect, Chinese nutgall mixes, mixed proportion is: water-soluble chitosan solution 50%, Radix Platycodonis extract liquid 35%, Chinese nutgall 15%, obtain mixed liquor, for subsequent use after sterilization;
2. by 10mL-15mL step 1. in the mixed liquor that obtains pour in hemispherical die, adopt 35 DEG C of-50 DEG C of hot blasts to be dried by mixed liquor in the colloid without mobility by hot-air blower;
3. semispherical silicon rubber membrane 10 is sleeved on hemispherical convex mould surface, uses laser double Spherical silicone rubber film 10 outer surface to be heated to 200 DEG C-250 DEG C, semispherical silicon rubber membrane 10 outer surface is softened;
4. be can being sprinkling upon on the convex surface of semispherical silicon rubber membrane 10 by the ferromagnetic metal uniform particles of attraction of 0.3mm-0.5mm by particle diameter, make ferromagnetic metal granule embed in semispherical silicon rubber membrane 10, then by semispherical silicon rubber membrane 10 cooling curing;
5. by step 4. in semispherical silicon rubber membrane 10 after cooling curing be pressed into step 2. in fill in the die of colloid, apply 0.5kg-1.0kg pressure, keep die sinking after 30 seconds-50 seconds, make colloid be attached on the convex surface of semispherical silicon rubber membrane 10;
6. use hot-air blower to adopt 35 DEG C of-50 DEG C of hot blasts to dry the colloid be attached on semispherical silicon rubber membrane 10 convex surface, until its solidification, form spermicide slow release layer 11.
The ratio of water-soluble chitosan solution, Radix Platycodonis extract liquid and Chinese nutgall that step of the present invention is 1. described is percent by volume.
Semispherical silicon rubber membrane 10 with ferromagnetic metal granule forms spermicide film 9 jointly with spermicide slow release layer 11, and spermicide slow release layer 11 relies on the sticky adhesive of himself on the convex surface of semispherical silicon rubber membrane 10.When ferromagnetic metal granule embeds semispherical silicon rubber membrane 10, can form irregular shrinkage pool on the convex surface of semispherical silicon rubber membrane 10, the irregular shrinkage pool on semispherical silicon rubber membrane 10 convex surface can improve the adhesion of spermicide slow release layer 11.After spermicide film 9 enters vagina, along with the dissolving of water-soluble chitosan, the Radix Platycodonis extract liquid and Chinese nutgall that possess spermicidal function can discharge, for killing spermatozoon activity by spermicide slow release layer 11 gradually.
The present invention is in order to alleviate the discomfort of user further, boosting block 6 can be made as arc-shaped concave away from one end end face of boost tube 2, the shape of the shape of boosting block 6 and spermicide film 9 and cervix uteri is coincide, and this structure can reduce the constriction that when placing spermicide film 9, cervix uteri is subject to.
The present invention, in order to further alleviate the discomfort of user, can install elastic buffering pad 15 at boosting block 6 away from one end end face of boost tube 2.The pressure that cervix uteri is subject to can be offset in elastic buffering pad 15 1 aspect, also contributes on the other hand the outer spermicide film 9 of protective, makes spermicide film 9 can not be impaired in the extrusion process of boosting block 6.
Trocar sheath 1 is sent in vagina process to prevent by the present invention, operator points pushing bar 8 by mistake and is deviate from between trocar sheath 1 outer wall and retainer ring 4 inwall in advance by spermicide film 9, can offer located lateral draw-in groove 16 at trocar sheath 1 sidewall, located lateral draw-in groove 16 communicates with gathering sill 7 one end away from retainer ring 4.When not needing operation driving lever 8, can driving lever 8 be threaded in located lateral draw-in groove 16, also driving lever 8 can not be made to move along gathering sill 7 length direction even if operator points pushing bar 8 by mistake, prevent spermicide film 9 from deviating from advance, affect contraceptive effect, when needing to make to prevent spermicide film 9 from deviating from, driving lever 8 is screwed out in located lateral draw-in groove 16, promotes along gathering sill 7 length direction.
The present invention also can install torsion spring 17 between inner sleeve 3 and trocar sheath 1, and torsion spring 17 one end is connected with inner sleeve 3, and torsion spring 17 other end is connected with block 18 after passing trocar sheath 1 by gathering sill 7.Torsion spring 17 screws in located lateral draw-in groove 16 after driving lever 8 can be made to arrive gathering sill 7 end automatically, avoids further occurring that operator points the situation missed pushing bar 8 and spermicide film 9 is deviate from advance.
The density of the ferromagnetic metal granule on semispherical silicon rubber membrane convex surface is 20/cm
2-50/cm
2.
Claims (6)
1. contraceptive medicines and devices, comprise trocar sheath (1), inner sleeve (3) is installed in trocar sheath (1) inside, it is characterized in that: retainer ring (4) is installed in trocar sheath (1) one end, retainer ring (4) axial one end is connected with trocar sheath (1) outer wall by screw thread, inner sleeve (3) arranges bulge loop (5) away from one end of retainer ring (4), bulge loop (5) is connected with trocar sheath (1), it is outside that inner sleeve (3) is positioned at trocar sheath (1) near one end of retainer ring (4), inner sleeve (3) installs electric magnet (13) near inside, one end of retainer ring (4), inner sleeve (3) other end is connected with battery case (19), in battery case (19), battery (20) is installed, the positive pole of battery (20) is connected with electric magnet (13) by wire (21) with negative pole, wire (21) is arranged switch (22), switch (22) is arranged on battery case (19), boost tube (2) is installed between inner sleeve (3) and trocar sheath (1), boost tube (2) installs boosting block (6) near one end of retainer ring (4), boosting block (6) and boost tube (2) all can moving axially along inner sleeve (3), boosting block (6) is offered passage (12), passage (12) makes to be communicated with between boosting block (6) axial both ends of the surface, trocar sheath (1) sidewall offers gathering sill (7), the length direction of gathering sill (7) is parallel with the direction of principal axis of trocar sheath (1), in gathering sill (7), driving lever (8) is installed, driving lever (8) is connected with boost tube (2), spermicide film (9) is hemispherical flexible sheet, its edge is placed between trocar sheath (1) outer wall and retainer ring (4) inwall fixing after spermicide film (9) oppositely bends, spermicide film (9) comprises semispherical silicon rubber membrane (10), uniform ferromagnetic metal granule in semispherical silicon rubber membrane (10), the convex surface of semispherical silicon rubber membrane (10) arranges spermicide slow release layer (11), the preparation method of spermicide film (9) is as follows:
1. by viscosity be 200cp-300cp water-soluble chitosan solution with possess the Radix Platycodonis extract liquid of Spermicide in vitro effect, Chinese nutgall mixes, mixed proportion is: water-soluble chitosan solution 50%, Radix Platycodonis extract liquid 35%, Chinese nutgall 15%, obtain mixed liquor, for subsequent use after sterilization;
2. by 10mL-15mL step 1. in the mixed liquor that obtains pour in hemispherical die, adopt 35 DEG C of-50 DEG C of hot blasts to be dried by mixed liquor in the colloid without mobility by hot-air blower;
3. semispherical silicon rubber membrane (10) is sleeved on hemispherical convex mould surface, uses laser double Spherical silicone rubber film (10) outer surface to be heated to 200 DEG C-250 DEG C, semispherical silicon rubber membrane (10) outer surface is softened;
4. by particle diameter be 0.3mm-0.5mm can be sprinkling upon on the convex surface of semispherical silicon rubber membrane (10) by the ferromagnetic metal uniform particles of attraction, ferromagnetic metal granule is made to embed in semispherical silicon rubber membrane (10), then by semispherical silicon rubber membrane (10) cooling curing;
5. by step 4. in semispherical silicon rubber membrane (10) press-in step after cooling curing 2. in fill in the die of colloid, apply 0.5kg-1.0kg pressure, keep die sinking after 30 seconds-50 seconds, make colloid be attached on the convex surface of semispherical silicon rubber membrane (10);
6. use hot-air blower to adopt 35 DEG C of-50 DEG C of hot blasts to dry the colloid be attached on semispherical silicon rubber membrane (10) convex surface, until its solidification, form spermicide slow release layer (11).
2. contraceptive medicines and devices according to claim 1, is characterized in that: boosting block (6) is arc-shaped concave away from one end end face of boost tube (2).
3. contraceptive medicines and devices according to claim 1 and 2, is characterized in that: boosting block (6) installs elastic buffering pad (15) away from one end end face of boost tube (2).
4. contraceptive medicines and devices according to claim 1, is characterized in that: trocar sheath (1) sidewall offers located lateral draw-in groove (16), and located lateral draw-in groove (16) communicates with gathering sill (7) one end away from retainer ring (4).
5. contraceptive medicines and devices according to claim 4, it is characterized in that: torsion spring (17) is installed between inner sleeve (3) and trocar sheath (1), torsion spring (17) one end is connected with inner sleeve (3), and torsion spring (17) other end passes trocar sheath (1) by gathering sill (7) and is connected with block (18) afterwards.
6. contraceptive medicines and devices according to claim 1, is characterized in that: the density of the ferromagnetic metal granule on semispherical silicon rubber membrane (10) convex surface is 20/cm
2-50/cm
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310315733.XA CN103385781B (en) | 2013-07-25 | 2013-07-25 | Contraceptive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310315733.XA CN103385781B (en) | 2013-07-25 | 2013-07-25 | Contraceptive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103385781A CN103385781A (en) | 2013-11-13 |
| CN103385781B true CN103385781B (en) | 2015-07-22 |
Family
ID=49530316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310315733.XA Expired - Fee Related CN103385781B (en) | 2013-07-25 | 2013-07-25 | Contraceptive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103385781B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2930330T3 (en) * | 2018-04-19 | 2022-12-12 | Yipurun Shanghai Biotechnology Co Ltd | Elastic membrane having a function of reactivation of the endometrial basal layer in a uterine cavity and preparation method of the elastic membrane |
| CN109938911A (en) * | 2019-03-17 | 2019-06-28 | 尹振图 | Menstrual cup and its applicator |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2497780Y (en) * | 2001-06-22 | 2002-07-03 | 余雨静 | Vulva cleaner |
| KR100893667B1 (en) * | 2005-04-18 | 2009-04-17 | 벤자민 원 박 | Liquid Injector into the Male Urethra |
| US20080167598A1 (en) * | 2007-01-10 | 2008-07-10 | The Procter & Gamble Company | Active applicator |
| CN201529198U (en) * | 2009-11-09 | 2010-07-21 | 王磊光 | Oviduct contraceptive suppository placing device |
| CN101780058B (en) * | 2009-12-24 | 2012-12-05 | 李荣秀 | Quick liquid absorption soluble contraceptive membranes |
| CN101804094B (en) * | 2010-03-19 | 2011-07-27 | 山东省计划生育科学技术研究所 | Medicament for killing sperms in vitro |
| CN102100683B (en) * | 2011-01-27 | 2012-03-21 | 李荣秀 | Slow-soluble external contraceptive membrane |
| CN202173682U (en) * | 2011-08-09 | 2012-03-28 | 许玉美 | Device for feeding contraceptive medicine into vagina automatically |
| CN103006542A (en) * | 2011-09-28 | 2013-04-03 | 王磊光 | Platycodin D sperm-killing contraceptive suppository for external use and placing device thereof |
-
2013
- 2013-07-25 CN CN201310315733.XA patent/CN103385781B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN103385781A (en) | 2013-11-13 |
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