CA1146828A - Vaginal diaphragm and method - Google Patents
Vaginal diaphragm and methodInfo
- Publication number
- CA1146828A CA1146828A CA000301674A CA301674A CA1146828A CA 1146828 A CA1146828 A CA 1146828A CA 000301674 A CA000301674 A CA 000301674A CA 301674 A CA301674 A CA 301674A CA 1146828 A CA1146828 A CA 1146828A
- Authority
- CA
- Canada
- Prior art keywords
- diaphragm
- rim
- dome
- thermoplastic
- comprised
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 25
- 229920001971 elastomer Polymers 0.000 claims description 11
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 9
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 8
- 239000000806 elastomer Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 210000001215 vagina Anatomy 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 13
- 239000004816 latex Substances 0.000 description 6
- 229920000126 latex Polymers 0.000 description 6
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 229920012485 Plasticized Polyvinyl chloride Polymers 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000003679 cervix uteri Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003433 contraceptive agent Substances 0.000 description 1
- 230000002254 contraceptive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F6/00—Contraceptive devices; Pessaries; Applicators therefor
- A61F6/06—Contraceptive devices; Pessaries; Applicators therefor for use by females
- A61F6/08—Pessaries, i.e. devices worn in the vagina to support the uterus, remedy a malposition or prevent conception, e.g. combined with devices protecting against contagion
Landscapes
- Health & Medical Sciences (AREA)
- Reproductive Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Prostheses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79238277A | 1977-04-29 | 1977-04-29 | |
| US792,382 | 1977-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1146828A true CA1146828A (en) | 1983-05-24 |
Family
ID=25156716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000301674A Expired CA1146828A (en) | 1977-04-29 | 1978-04-21 | Vaginal diaphragm and method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS54139292A (enrdf_load_stackoverflow) |
| BE (1) | BE866498A (enrdf_load_stackoverflow) |
| CA (1) | CA1146828A (enrdf_load_stackoverflow) |
| ZA (1) | ZA782456B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101993786B1 (ko) | 2010-11-12 | 2019-06-28 | 더 유니버시티 오브 유타 리서치 파운데이션 | 윤활제의 제어된 전달을 위한 질내 장치 |
-
1978
- 1978-04-21 CA CA000301674A patent/CA1146828A/en not_active Expired
- 1978-04-27 BE BE187216A patent/BE866498A/xx not_active IP Right Cessation
- 1978-04-28 ZA ZA00782456A patent/ZA782456B/xx unknown
- 1978-04-28 JP JP5221178A patent/JPS54139292A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE866498A (fr) | 1978-10-27 |
| JPS54139292A (en) | 1979-10-29 |
| JPS6340101B2 (enrdf_load_stackoverflow) | 1988-08-09 |
| ZA782456B (en) | 1979-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |