JPH0221271B2 - - Google Patents
Info
- Publication number
- JPH0221271B2 JPH0221271B2 JP58502509A JP50250983A JPH0221271B2 JP H0221271 B2 JPH0221271 B2 JP H0221271B2 JP 58502509 A JP58502509 A JP 58502509A JP 50250983 A JP50250983 A JP 50250983A JP H0221271 B2 JPH0221271 B2 JP H0221271B2
- Authority
- JP
- Japan
- Prior art keywords
- hydrogel
- cylindrical
- swelling
- length
- diameter
- 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 - Lifetime
Links
- 239000000017 hydrogel Substances 0.000 description 85
- 230000008961 swelling Effects 0.000 description 31
- 230000003014 reinforcing effect Effects 0.000 description 20
- 238000000034 method Methods 0.000 description 13
- -1 cyclic lactams Chemical class 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 230000010339 dilation Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000004323 axial length Effects 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 229920002239 polyacrylonitrile Polymers 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 5
- 241001466453 Laminaria Species 0.000 description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 210000004291 uterus Anatomy 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 230000035935 pregnancy Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- 241001262617 Japonica Species 0.000 description 2
- 241000015177 Saccharina japonica Species 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 235000019506 cigar Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000000916 dilatatory effect Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 125000004076 pyridyl group Chemical group 0.000 description 2
- 125000000547 substituted alkyl group Chemical group 0.000 description 2
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- UVDYBBRVDUKNFV-UHFFFAOYSA-N 2-(prop-2-enoylamino)ethanesulfonic acid Chemical group OS(=O)(=O)CCNC(=O)C=C UVDYBBRVDUKNFV-UHFFFAOYSA-N 0.000 description 1
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 1
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 208000034423 Delivery Diseases 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 206010000210 abortion Diseases 0.000 description 1
- 231100000176 abortion Toxicity 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 210000003679 cervix uteri Anatomy 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004696 endometrium Anatomy 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000266 injurious effect Effects 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229940088644 n,n-dimethylacrylamide Drugs 0.000 description 1
- YLGYACDQVQQZSW-UHFFFAOYSA-N n,n-dimethylprop-2-enamide Chemical compound CN(C)C(=O)C=C YLGYACDQVQQZSW-UHFFFAOYSA-N 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- KNCYXPMJDCCGSJ-UHFFFAOYSA-N piperidine-2,6-dione Chemical group O=C1CCCC(=O)N1 KNCYXPMJDCCGSJ-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
- NVBFHJWHLNUMCV-UHFFFAOYSA-N sulfamide Chemical group NS(N)(=O)=O NVBFHJWHLNUMCV-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 230000009677 vaginal delivery Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/145—Hydrogels or hydrocolloids
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Dispersion Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/385,894 US4480642A (en) | 1982-07-26 | 1982-07-26 | Dilation device for the cervix |
| US385894 | 1982-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59501345A JPS59501345A (ja) | 1984-08-02 |
| JPH0221271B2 true JPH0221271B2 (US06826419-20041130-M00005.png) | 1990-05-14 |
Family
ID=23523299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58502509A Granted JPS59501345A (ja) | 1982-07-26 | 1983-07-05 | 頚状部拡張器具 |
Country Status (11)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0447083U (US06826419-20041130-M00005.png) * | 1990-08-28 | 1992-04-21 |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4578076A (en) * | 1984-03-20 | 1986-03-25 | The Population Council, Inc. | Medicated intracervical and intrauterine devices |
| US4624258A (en) * | 1984-09-11 | 1986-11-25 | Milex Products, Incorporated | Cervical dilator with captive extraction element |
| US4610671A (en) * | 1985-03-28 | 1986-09-09 | Luther Medical Products, Inc. | Assembly of stylet and catheter |
| US4781703A (en) * | 1985-10-17 | 1988-11-01 | Menlo Care, Inc. | Catheter assembly |
| US4943618A (en) * | 1987-12-18 | 1990-07-24 | Kingston Technologies Limited Partnership | Method for preparing polyacrylonitrile copolymers by heterogeneous reaction of polyacrylonitrile aquagel |
| US4964854A (en) * | 1989-01-23 | 1990-10-23 | Luther Medical Products, Inc. | Intravascular catheter assembly incorporating needle tip shielding cap |
| ATE120377T1 (de) * | 1990-02-08 | 1995-04-15 | Howmedica | Aufblasbarer dilatator. |
| US5207702A (en) * | 1991-08-14 | 1993-05-04 | Pearl Michael L | Method and apparatus for handling hygroscopic dilators |
| US5230705A (en) * | 1992-03-13 | 1993-07-27 | Wilk Peter J | Method of intravenous catheterization device |
| US5246424A (en) * | 1992-03-13 | 1993-09-21 | Wilk Peter J | Device and method for use in obtaining access to an internal body organ |
| US5499994A (en) * | 1993-07-30 | 1996-03-19 | American Medical Systems, Inc. | Dilation device for the urethra |
| US5765682A (en) * | 1994-10-13 | 1998-06-16 | Menlo Care, Inc. | Restrictive package for expandable or shape memory medical devices and method of preventing premature change of same |
| US5536243A (en) * | 1994-12-13 | 1996-07-16 | Jeyendran; Rajasingam S. | Time-release insemination device |
| AU719980B2 (en) * | 1995-02-22 | 2000-05-18 | Menlo Care, Inc. | Covered expanding mesh stent |
| US5588965A (en) * | 1995-03-07 | 1996-12-31 | American Medical Systems, Inc. | Device for slowly dilating the prostatic urethra |
| US5913848A (en) * | 1996-06-06 | 1999-06-22 | Luther Medical Products, Inc. | Hard tip over-the-needle catheter and method of manufacturing the same |
| US6039701A (en) * | 1996-09-05 | 2000-03-21 | Ob Inovations, Inc. | Method and apparatus for monitoring cervical diameter |
| US20040097996A1 (en) | 1999-10-05 | 2004-05-20 | Omnisonics Medical Technologies, Inc. | Apparatus and method of removing occlusions using an ultrasonic medical device operating in a transverse mode |
| US6325065B1 (en) * | 1999-11-02 | 2001-12-04 | Omnisonics Medical Technologies, Inc. | Cervical fitting |
| ES2246431T3 (es) * | 2000-03-18 | 2006-02-16 | Polyzenix Gmbh | Implantes dentales que tienen resistencia bacteriana. |
| ES2278747T3 (es) * | 2000-04-11 | 2007-08-16 | Polyzenix Gmbh | Peliculas de poli-tri-fluoro-etoxipolifosfaceno para recubrir dispositivos medicos. |
| EP1179353A1 (de) * | 2000-08-11 | 2002-02-13 | B. Braun Melsungen Ag | Antithrombogene Implantate mit Beschichtung aus Polyphosphazenen und einem pharmakologisch aktiven Wirkstoff |
| US20090004240A1 (en) * | 2000-08-11 | 2009-01-01 | Celonova Biosciences, Inc. | Implants with a phosphazene-containing coating |
| US9080146B2 (en) | 2001-01-11 | 2015-07-14 | Celonova Biosciences, Inc. | Substrates containing polyphosphazene as matrices and substrates containing polyphosphazene with a micro-structured surface |
| DE10100961B4 (de) * | 2001-01-11 | 2005-08-04 | Polyzenix Gmbh | Körperverträglicher Werkstoff und mit diesem Werkstoff beschichtetes Substrat für die Züchtung von Zellen und künstlichen aus Zellen aufgebauten oder gewachsenen organischen Implantaten |
| DK1432380T3 (da) | 2001-08-17 | 2007-01-15 | Polyzenix Gmbh | Indretning baseret på nitrol med et overtræk af polyphosphazen |
| US20080138433A1 (en) * | 2002-07-05 | 2008-06-12 | Celonova Biosciences, Inc. | Vasodilator eluting blood storage and administration devices with a specific polyphosphazene coating and methods for their manufacture and use |
| US20080138377A1 (en) * | 2002-07-05 | 2008-06-12 | Celonova Biosciences, Inc. | Vasodilator Eluting Luminal Stent Devices With A Specific Polyphosphazene Coating and Methods for Their Manufacture and Use |
| US20040133219A1 (en) * | 2002-07-29 | 2004-07-08 | Peter Forsell | Multi-material constriction device for forming stoma opening |
| WO2004011051A1 (en) | 2002-07-29 | 2004-02-05 | Potencia Medical Ag | Durable implant |
| WO2004010906A1 (en) * | 2002-07-29 | 2004-02-05 | Potencia Medical Ag | Multi-material penis constriction device |
| US20040034275A1 (en) | 2002-07-29 | 2004-02-19 | Peter Forsell | Multi-material incontinence treatment constriction device |
| US7794414B2 (en) | 2004-02-09 | 2010-09-14 | Emigrant Bank, N.A. | Apparatus and method for an ultrasonic medical device operating in torsional and transverse modes |
| US9107850B2 (en) | 2004-10-25 | 2015-08-18 | Celonova Biosciences, Inc. | Color-coded and sized loadable polymeric particles for therapeutic and/or diagnostic applications and methods of preparing and using the same |
| US9114162B2 (en) | 2004-10-25 | 2015-08-25 | Celonova Biosciences, Inc. | Loadable polymeric particles for enhanced imaging in clinical applications and methods of preparing and using the same |
| US20210299056A9 (en) | 2004-10-25 | 2021-09-30 | Varian Medical Systems, Inc. | Color-Coded Polymeric Particles of Predetermined Size for Therapeutic and/or Diagnostic Applications and Related Methods |
| US20080039865A1 (en) * | 2006-08-08 | 2008-02-14 | Maasal Shaher | Maasal cervical dilator |
| US20080058604A1 (en) * | 2006-08-31 | 2008-03-06 | Bradford Tyler Sorensen | Childbirth labor reduction device |
| US20080095816A1 (en) * | 2006-10-10 | 2008-04-24 | Celonova Biosciences, Inc. | Compositions and Devices Comprising Silicone and Specific Polyphosphazenes |
| CN101541354B (zh) * | 2006-10-10 | 2012-11-21 | 西洛诺瓦生物科学公司 | 含聚磷氮烯的生物人工心瓣膜 |
| US8282612B1 (en) * | 2008-03-07 | 2012-10-09 | Denise H. Miller | Methods and devices for intrauterine absorption |
| CA2807656A1 (en) * | 2010-08-30 | 2012-03-08 | SinuSys Corporation | Devices and methods for dilating a paranasal sinus opening and for treating sinusitis |
| US20140031852A1 (en) * | 2012-02-29 | 2014-01-30 | SinuSys Corporation | Devices and methods for Dilating a Eustachian Tube |
| CA2862297A1 (en) | 2012-02-29 | 2013-09-06 | SinuSys Corporation | Devices and methods for dilating a paranasal sinus opening and for treating sinusitis |
| US9078786B1 (en) | 2012-10-19 | 2015-07-14 | Denise H. Miller | Methods and devices for collecting body fluids |
| US9687263B2 (en) | 2013-05-30 | 2017-06-27 | SinuSys Corporation | Devices and methods for inserting a sinus dilator |
| AU2017339919B2 (en) | 2016-10-06 | 2023-02-23 | Medicem Technology S.R.O | Combined osmotic and hydrogel cervical dilators and method of making same |
| IL258017B (en) | 2018-03-11 | 2019-10-31 | Aquafit Intimate Ltd | Cervical device and its uses |
| GB201811085D0 (en) * | 2018-07-05 | 2018-08-22 | Croteau Diane | Foot operated traction device and method of using same |
| KR102347902B1 (ko) * | 2019-11-15 | 2022-01-05 | 영남대학교 산학협력단 | 듀얼네트워크 구조의 하이드로겔을 이용한 인체 삽입형 확장기 |
| US20230293204A1 (en) * | 2021-08-18 | 2023-09-21 | Celestial Life Sciences, Llc | Cervical dilator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237893A (en) * | 1979-11-28 | 1980-12-09 | Alza Corporation | Cervical dilator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB253776A (en) * | 1925-10-15 | 1926-06-24 | Johannes Burger Ysatfabrik | Improved instrument for use in obstetrics |
| US3865108A (en) * | 1971-05-17 | 1975-02-11 | Ortho Pharma Corp | Expandable drug delivery device |
| US3947401A (en) * | 1971-10-05 | 1976-03-30 | Union Optics Corporation | Hydrogels of unsaturated ester copolymers |
| US3867329A (en) * | 1972-08-25 | 1975-02-18 | Polysciences Inc | Composition for a hydrogel dilator article of manufacture and method for making same |
| US4056496A (en) * | 1972-10-02 | 1977-11-01 | Corneal Sciences, Inc. | Hydrogels and articles made therefrom |
| JPS6024807B2 (ja) * | 1979-02-19 | 1985-06-14 | 昭和電工株式会社 | 高吸水性ヒドロゲルの製造方法 |
| US4270977A (en) * | 1979-11-01 | 1981-06-02 | Nl Industries, Inc. | Process for preparing water sorptive products |
-
1982
- 1982-07-26 US US06/385,894 patent/US4480642A/en not_active Expired - Fee Related
-
1983
- 1983-07-05 DE DE8383902494T patent/DE3372179D1/de not_active Expired
- 1983-07-05 AU AU18228/83A patent/AU559079B2/en not_active Ceased
- 1983-07-05 WO PCT/US1983/001018 patent/WO1984000494A1/en active IP Right Grant
- 1983-07-05 JP JP58502509A patent/JPS59501345A/ja active Granted
- 1983-07-05 EP EP83902494A patent/EP0114867B1/en not_active Expired
- 1983-07-18 IT IT67771/83A patent/IT1162911B/it active
- 1983-07-22 IL IL69301A patent/IL69301A/xx not_active IP Right Cessation
- 1983-07-25 CA CA000433145A patent/CA1203448A/en not_active Expired
- 1983-07-25 KR KR1019830003474A patent/KR900006896B1/ko not_active IP Right Cessation
-
1984
- 1984-02-28 DK DK112184A patent/DK162258C/da not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237893A (en) * | 1979-11-28 | 1980-12-09 | Alza Corporation | Cervical dilator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0447083U (US06826419-20041130-M00005.png) * | 1990-08-28 | 1992-04-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU1822883A (en) | 1984-02-23 |
| IT8367771A0 (it) | 1983-07-18 |
| DK162258B (da) | 1991-10-07 |
| EP0114867A1 (en) | 1984-08-08 |
| EP0114867B1 (en) | 1987-06-24 |
| US4480642A (en) | 1984-11-06 |
| DK112184A (da) | 1984-02-28 |
| IL69301A0 (en) | 1983-11-30 |
| IT1162911B (it) | 1987-04-01 |
| WO1984000494A1 (en) | 1984-02-16 |
| KR840005349A (ko) | 1984-11-12 |
| KR900006896B1 (ko) | 1990-09-24 |
| DK162258C (da) | 1992-03-16 |
| AU559079B2 (en) | 1987-02-19 |
| DK112184D0 (da) | 1984-02-28 |
| JPS59501345A (ja) | 1984-08-02 |
| IL69301A (en) | 1986-04-29 |
| DE3372179D1 (en) | 1987-07-30 |
| CA1203448A (en) | 1986-04-22 |
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