Patent US2286479A successfully refreshed from Google Patents.
Patent US4495934A successfully refreshed from Google Patents.
US4495934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
IUD Arrangement
Assignee: Individual
•
Filing: 1979-07-09
•
Granted: 1985-01-29
•
Expires: 1999-07-09
Abstract
Abstract A medicated intrauterine device insertable in and retained in the uterus for a predetermined time period and having a drug with a controlled release rate and said drug comprising an amiedine or a guanidine such as an aromatic monoamidine or a monoguanidine, an aromatic diamidine or a diguanidine, a non-aromatic monoguanidine or a non-aromatic diamidine or a diguanidine to provide anti-fibrinolytic, anti-proteolytic and/or anti-conceptive action. The drug is one or a mixture of more than one of such amidines or guanidines, or a mixture of one or more of such guanidines with one or more amidines.
Inventors
- 👤 Seth T. Shaw, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:34
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/06; A61F6/14; A61F6/142; A61K; A61K9/00; A61K9/0012; A61K9/0034; A61K9/0039
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
153 words
A medicated intrauterine device of the type insertable into the uterus for retention therein for a predetermined time period and comprising, incombination: a uterus insertable body member having an external surface adapted to contact the uterus, and said body member comprising a polymer matrix and at least one drug with said polymer matrix and said at least one drug providing an anti-fibrinolytic effect, a reversible anti-fertility effect, and an antiproteolytic effect, and said at least one drug selected from the class consisting of a guanidine and an amidine, and said at least one drug and said polymer matrix selected to provide said at least one drug releasable at a predetermined rate from said body member to the uterus; and said body member has a predetermined geometrical configuration and said at least one drug is in at least one of a biodegradable polymer an biodegradable copolymer form and is mixed with said polymer matrix.
Claim 2
Dependent Claim
153 words
A medicated intrauterine device of the type insertable into the uterus for retention therein for a predetermined time period and comprising, incombination: a uterus insertable body member having an external surface adapted to contact the uterus, and said body member comprising a polymer matrix and at least one drug with said polymer matrix and said at least one drug providing an anti-fibrinolytic effect, a reversible anti-fertility effect, and an antiproteolytic effect, and said at least one drug selected from the class consisting of a guanidine and an amidine, and said at least one drug and said polymer matrix selected to provide said at least one drug releasable at a predetermined rate from said body member to the uterus; and said body member has a predetermined geometrical configuration and said at least one drug is in at least one of a biodegradable polymer an biodegradable copolymer form and is mixed with said polymer matrix.
Claim 3
Dependent Claim
86 words
The arrangement defined in claim 1 wherein: said at least one drug is selected from the class consisting of: (a) a mixture of an amidine and a guanidine; (b) a mixture of more than one amidine and a guanidine; (c) a mixture of an amidine and more than one guanidine; (d) a mixture of more than one amidine and more than one guanidine; (e) a guanidine; (f) a mixture of more than one guanidine; (g) an amidine; and (h) a mixture of more than one amidine.
Claim 4
Dependent Claim
41 words
The arrangement defined in claim 1 wherein: said at least one drug is selected from the class consisting of: (a) aromatic monoguanidines; (b) aromatic diguanidines; (c) non-aromatic monoguanidines; (d) non-aromatic diguanidines; (e) aromatic monoamidines; (f) aromatic diamidines; and (g) non-aromatic diamidines.
Claim 5
Dependent Claim
148 words
The arrangement defined in claim 1 wherein: said at least one drug is selected from the class of aromatic monoguanidines of the group: ##STR27## wherein R is selected from the class consisting of: (a) a carbon chain free of other elements; (b) a carbon chain with at least one other element; (c) an aromatic group free of additional carbon atoms, carbon chains and other elements; (d) an aromatic group with at least one addition selected from the class consisting of carbon atoms, carbon chains and other elements; (e) a cyclic non-aromatic group free of additional carbon atoms, carbon chains and other elements; (f) a cyclic non-aromatic group with at least one addition selected fom the class consisting of carbon atoms, carbon chains, and other elements; and (g) a combination of at least two of (a), (b), (c), (d), (e) and (f); and wherein: ##STR28## represents the benzene ring.
Claim 6
Dependent Claim
122 words
The arrangement defined in claim 1 wherein: said at least one drug is selected from the class of aromatic diguanidines of the group: ##STR29## and wherein each guanidine group ##STR30## is in one of a meta or para position with respect to R 1 , and in which: R 1 is selected from the class consisting of: (a) a hydrocarbon chain free of ether and ester bonds to the benzene ring; and (b) a hydrocarbon chain having at least one bond selected from the class of ether bonds and ester bonds to the benzene ring; R 2 and R 3 are selected from the class consisting of: hydrogen, chlorine, bromine, iodine, hydroxyl group and alkyl group; and ##STR31## represents the benzene ring.
Claim 7
Dependent Claim
102 words
The arrangement defined in claim 1 wherein: said at least one drug is selected from the class of non-aromatic monoguanidines of the group: ##STR32## wherein R is selected from the class consisting of: (a) a carbon chain free of other elements; (b) a carbon chain with at least one other element; (c) a cyclic non-aromatic group free of additional carbon atoms, carbon chains and other elements; (d) a cyclic non-aromatic group with at least one addition selected from the class consisting of carbon atoms, carbon chains and other elements; (e) a combination of at least two of (a), (b), (c), and (d).
Claim 8
Dependent Claim
103 words
The arrangement defined in claim 1 wherein: said at least one drug is selected fom the class consisting of non-aromatic diguanidines of the group: ##STR33## wherein R is selected from the class consisting of: (a) a carbon chain free of other elements; (b) a carbon chain with at least one other element; (c) a cyclic non-aromatic group free of additional carbon atoms, carbon chains and other elements; (d) a cyclic non-aromatic group with at least one addition selected from the class consisting of carbon atoms, carbon chains and other elements; (e) a combination of at least two of (a), (b), (c), and (d).
Claim 9
Dependent Claim
20 words
The arrangement defined in claim 1 wherein said at least one drug is selected from the class consisting of: ##STR34##
Claim 10
Dependent Claim
26 words
The arrangement defined in claim 1 and further comprising: a coating of copper on at least a portion of said external surface of said body member.
Claim 11
Dependent Claim
162 words
A medicated intrauterine device of the type insertable into the uterus for retention therein for a predetermined time perod and comprising, in combination: a uterus insertable body member having an external surface adapted to contact the uterus, and said body member comprising a polymer matrix and at least one drug with said polymer matrix and said at least one drug providing an anti-fibrinolytic effect, a reversible anti-fertility effect, and an anti-proteolytic effect, and said at least one drug selected from the class consisting of a guanidine and an amidine, and said at least one drug and said polymer matrix selected to provide said at least one drug releasable at a predetermined rate from said body member to the uterus; and said body member has a predetermined geometrical configuration and said at least one drug is in one of a biodegradable polymer and biodegradable copolymer form and is chemically bonded by one of a covalent bonding and non-covalent bonding to said polymer matrix.
Claim 12
Dependent Claim
162 words
A medicated intrauterine device of the type insertable into the uterus for retention therein for a predetermined time perod and comprising, in combination: a uterus insertable body member having an external surface adapted to contact the uterus, and said body member comprising a polymer matrix and at least one drug with said polymer matrix and said at least one drug providing an anti-fibrinolytic effect, a reversible anti-fertility effect, and an anti-proteolytic effect, and said at least one drug selected from the class consisting of a guanidine and an amidine, and said at least one drug and said polymer matrix selected to provide said at least one drug releasable at a predetermined rate from said body member to the uterus; and said body member has a predetermined geometrical configuration and said at least one drug is in one of a biodegradable polymer and biodegradable copolymer form and is chemically bonded by one of a covalent bonding and non-covalent bonding to said polymer matrix.
Claim 13
Dependent Claim
86 words
The arrangement defined in claim 10 wherein: said at least one drug is selected from the class consisting of: (a) a mixture of an amidine and a guanidine; (b) a mixture of more than one amidine and a guanidine; (c) a mixture of an amidine and more than one guanidine; (d) a mixture of more than one amidine and more than one guanidine; (e) a guanadine; (f) a mixture of more than one guanidine; (g) an amidine; and (h) a mixture of more than one amidine.
Claim 14
Dependent Claim
41 words
The arrangement defined in claim 10 wherein: said at least one drug is selected from the class consisting of: (a) aromatic monoguanidines; (b) aromatic diguanidines; (c) non-aromatic monoguanidines; (d) non-aromatic diguanidines; (e) aromatic monoamidines; (f) aromatic diamidines; and (g) non-aromatic diamidines.
Claim 15
Dependent Claim
148 words
The arrangement defined in claim 10 wherein: said at least one drug is selected from the class of aromatic monoguanidines of the group: ##STR35## wherein R is selected from the class consisting of: (a) a carbon chain free of other elements; (b) a carbon chain with at least one other element; (c) an aromatic group free of additional carbon atoms, carbon chains and other elements; (d) an aromatic group with at least one addition selected form the class consisting of carbon atoms, carbon chains and other elements; (e) a cyclic non-aromatic group free of additional carbon atoms, carbon chains and other elements; (f) a cyclic non-aromatic group with at least one addition selected from the class consisting of carbon atoms, carbon chains, and other elements; and (g) a combination of at least two of (a), (b), (c), (d), (e) and (f); and wherein: ##STR36## represents the benzene ring.
Claim 16
Dependent Claim
122 words
The arrangement defined in claim 10 wherein: said at least one drug is selected from the class of aromatic diguanidines of the group: ##STR37## and wherein each guanidine group ##STR38## is in one of a meta or para position with respect to R 1 , and in which: R 1 is selected from the class consisting of: (a) a hydrocarbon chain free of ether and ester bonds to the benzene ring; and (b) a hydrocarbon chain having at least one bond selected from the class of ether bonds and ester bonds to the benzene ring; R 2 and R 3 are selected from the class consisting of: hydrogen, chlorine, bromine, iodine, hydroxyl group and alkyl group; and ##STR39## represents the benzene ring.
Claim 17
Dependent Claim
102 words
The arrangement defined in claim 10 wherein: said at least one drug is selected from the class of non-aromatic monoguanidines of the group: ##STR40## wherein R is selected from the class consisting of: (a) a carbon chain free of other elements; (b) a carbon chain with at least one other element; (c) a cyclic non-aromatic group free of additional carbon atoms, carbon chains and other elements; (d) a cyclic non-aromatic group with at least one addition selected from the class consisting of carbon atoms, carbon chains and other elements; (e) a combination of at least two of (a), (b), (c), and (d).
Claim 18
Dependent Claim
103 words
The arrangement defined in claim 10 wherein: said at least one drug is selected from the class consisting of non-aromatic diguanidines of the group: ##STR41## wherein R is selected from the class consisting of: (a) a carbon chain free of other elements; (b) a carbon chain with at least one other element; (c) a cyclic non-aromatic group free of additional carbon atoms, carbon chains and other elements; (d) a cyclic non-aromtic group with at least one addition selected from the class consisting of carbon atoms, carbon chains and other elements; (e) a combination of at least two of (a), (b), (c), and (d).
Claim 19
Dependent Claim
20 words
The arrangement defined in claim 10 wherein said at least one drug is selected from the class consisting of: ##STR42##
Claim 20
Dependent Claim
26 words
The arrangement defined in claim 10 and further comprising: a coating of copper on at least a portion of said external surface of said body member.
Claim 21
Dependent Claim
188 words
A medicated intrauterine device of the type insertable into the uterus for retention therein for a predetermined time period and comprising, in combination: a uterus insertable body member having an external surrace adapted to contact the uterus, and said body member comprising a polymer matrix and at least one drug with said polymer matrix and said at least one drub providng an antifrbrinolytic effect, a reversible anti-fertility effect, and an anti-proteolytic effect, and said at least one drug selected from the class consisting of a guanidine and an amidine, and said at least one drug and said polymer matrix selected to provide said at least one drug releasable at a predetermined rate from said body member to the uterus; and a coating on a first portion of said external surface of said body member comprising one of a biodegradable cross-linked polymer and biodegradable cross-linked copolymer form of a second drug, and said second drug selected from the class consisting of a guanidine and an amidine, and said second drug is chemically bonded by one of a covalent bonding and non-covalent bonding to said surface of said polymer matrix.
Claim 22
Dependent Claim
188 words
A medicated intrauterine device of the type insertable into the uterus for retention therein for a predetermined time period and comprising, in combination: a uterus insertable body member having an external surrace adapted to contact the uterus, and said body member comprising a polymer matrix and at least one drug with said polymer matrix and said at least one drub providng an antifrbrinolytic effect, a reversible anti-fertility effect, and an anti-proteolytic effect, and said at least one drug selected from the class consisting of a guanidine and an amidine, and said at least one drug and said polymer matrix selected to provide said at least one drug releasable at a predetermined rate from said body member to the uterus; and a coating on a first portion of said external surface of said body member comprising one of a biodegradable cross-linked polymer and biodegradable cross-linked copolymer form of a second drug, and said second drug selected from the class consisting of a guanidine and an amidine, and said second drug is chemically bonded by one of a covalent bonding and non-covalent bonding to said surface of said polymer matrix.
Claim 23
Dependent Claim
83 words
The arrangement defined in claim 19 wherein: said second drug selected from the class consisting of: (a) a mixture of an amidine and a guanidine; (b) a mixture of more than one amidine and a guanidine; (c) a mixture of an amidine and more than one guanidine; (d) a mixture of more than one amidine and more than one guanidine; (e) a guanidine; (f) a mixture of more than one guanidine; (g) an amidine; and (h) a mixture of more than one amidine.
Claim 24
Dependent Claim
39 words
The arrangement defined in claim 19 wherein: said second drug is selected from the class consisting of: (a) aromatic monoguanidines; (b) aromatic diguanidines; (c) non-aromatic monoguanidines; (d) non-aromatic diguanidines; (e) aromatic monoamidines; (f) aromatic diamidines; and (g) non-aromatic diamidines.
Claim 25
Dependent Claim
151 words
The arrangement defined in claim 19 wherein: said at least a guanidine of said second drug selected from the class of aromatic monoguanidines of the group: ##STR43## wherein R is selected from the class consisting of: (a) a carbon chain free of other elements; (b) a carbon chain with at least one other element; (c) an aromatic group free of additional carbon atoms, carbon chains and other elements; (d) an aromatic group with at least one addition selected from the class consisting of carbon atoms, carbon chains and other elements; (e) a cyclic non-aromatic group free of additional carbon atoms, carbon chains and other elements; (f) a cyclic non-aromatic group with at least one addition selected from the class consisting of carbon atoms, carbon chains, and other elements; and (g) a combination of at least two of (a), (b), (c), (d), (e) and (f); and wherein: ##STR44## represents the benzene ring.
Claim 26
Dependent Claim
125 words
The arrangement defined in claim 19 wherein: said at least a guanidine of said second drug selected from the class of aromatic diguanidines of the group: ##STR45## and wherein each guanidines group ##STR46## is in one of a meta or para position with respect to R 1 , and in which: R 1 is selected from the class consisting of: (a) a hydrocarbon chain free of ether and ester bonds to the benzene ring; and (b) a hydrocarbon chain having at least one bond selected from the class of ether bonds and ester bonds to the benzene ring; R 2 and R 3 are selected from the class consisting of: hydrogen, chlorine, bromine, iodine, hydroxyl group and alkyl group; and ##STR47## represents the benzene ring.
Claim 27
Dependent Claim
105 words
The arrangement defined in claim 19 wherein: said at least a guanidine of said second drug selected from the class of non-aromatic monoguanidines of the group: ##STR48## wherein R is selected from the class consisting of: (a) a carbon chain free of other elements; (b) a carbon chain with at least one other element; (c) a cyclic non-aromatic group free of additional carbon atoms, carbon chains and other elements; (d) a cyclic non-aromatic group with at least one addition selected from the class consisting of carbon atoms, carbon chains and other elements; (e) a combination of at least two of (a), (b), (c), and (d).
Claim 28
Dependent Claim
106 words
The arrangement defined in claim 19 wherein: said at lst a guanidine of said second drug selected from the class consisting of non-aromatic diguanidines of the group: ##STR49## wherein R is selected from the class consisting of: (a) a carbon chain free of other elements; (b) a carbon chain with at least one other element; (c) a cyclic non-aromatic group free of additional carbon atoms, carbon chains and other elements; (d) a cyclic non-aromatic group with at least one addition selected from the class consisting of carbon atoms, carbon chains and other elements; (e) a combination of at least two of (a), (b), (c), and (d).
Claim 29
Dependent Claim
23 words
The arrangement defined in claim 19 wherein: said at least a guanidine of said second drug selected from the class consisting of: ##STR50##
Claim 30
Dependent Claim
25 words
The arrangement defined in claim 19 and further comprising: a coating of copper on a second portion of said external surface of said body member.
References Cited (Backward Citations)
GB376806A
Cited
GB516289A
Cited
GB938042A
Cited
DE2247949A1
Cited
US3895103A
Cited
US3817248A
Cited
US4178361A
Cited
FR2250520A1
Cited
FR2282262A1
Cited
US4144317A
Cited
US4215200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-29 | 1988-07-30 | 1989-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-29 | 1992-07-30 | 1993-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-29 | 1996-07-30 | 1997-01-29 | $7700.00 | Window Closed / Lapsed |