US4388926A — High compliance monofilament surgical sutures com…

Claim 1

Independent Claim 81 words

A drawn and highly oriented thermoplastic surgical filament comprising a copolymer consisting essentially of a multiplicity of recurring polyalkylene terephthalate and polyalkylene alkyl or alkenyl succinate units having the following general formula: ##STR4## wherein n is 2 to 6, R is a linear or branched alkyl or alkenyl radical with a chain length of about 4 to 30 carbon atoms and x and y are integers such that the polyalkylene terephthalate units comprise 70 to 90 mole percent of the copolymer.

Claim 2

Dependent Claim 81 words

A drawn and highly oriented thermoplastic surgical filament comprising a copolymer consisting essentially of a multiplicity of recurring polyalkylene terephthalate and polyalkylene alkyl or alkenyl succinate units having the following general formula: ##STR4## wherein n is 2 to 6, R is a linear or branched alkyl or alkenyl radical with a chain length of about 4 to 30 carbon atoms and x and y are integers such that the polyalkylene terephthalate units comprise 70 to 90 mole percent of the copolymer.

Claim 3

Dependent Claim 21 words

A filament of claim 1 having a surgical needle attached to at least one end and useful as a surgical suture.

Claim 4

Dependent Claim 9 words

A filament of claim 2 in a sterile condition.

Claim 5

Dependent Claim 11 words

A filament of claim 1 wherein R is dodecyl or 2-dodecenyl.

Claim 6

Dependent Claim 11 words

A filament of claim 1 wherein R is tetradecyl or 2-tetradecenyl.

Claim 7

Dependent Claim 11 words

A filament of claim 1 wherein R is 2-hexadecenyl or hexadecyl.

Claim 8

Dependent Claim 11 words

A filament of claim 1 wherein R is octadecyl or 2-octadecenyl.

Claim 9

Dependent Claim 18 words

A filament of claim 1 wherein R has a chain length of about 12 to 18 carbon atoms.

Claim 10

Dependent Claim 19 words

A filament of claim 1 wherein the polyalkylene units comprise about 80 to 87 mole percent of the copolymer.

Claim 11

Dependent Claim 38 words

A filament of claim 1 characterized by the following properties: Tensile strength--at least 45,000 to 90,000 psi Knot strength--at least 30,000 to 60,000 psi Young's modulus--at least 40,000 to 240,000 psi % elongation--at least about 25% to 60%.

Claim 12

Dependent Claim 14 words

A woven or knitted surgical fabric comprised of filaments of claims 1 or 10.

Claim 13

Dependent Claim 10 words

A fabric of claim 7 in a seamless tubular construction.

Claim 14

Independent Claim 22 words

A method of closing a wound by approximating and securing the wound tissue with a surgical fiber of claims 1 or 10.

Claim 15

Independent Claim 22 words

A method of closing a wound by approximating and securing the wood tissue with a surgical fiber of claims 1 or 10.

Claim 16

Independent Claim 22 words

A method of closing a wound by approximating and securing the wound tissue with a surgical fiber of claims 1 or 10.

Claim 17

Dependent Claim 83 words

A solid surgical aid molded or machined of an oriented thermoplastic copolymer consisting essentially of a multiplicity of recurring polyalkylene terephthalate and polyalkylene alkyl or alkenyl succinate units having the following general formula: ##STR5## where n is 2 to 6, R is a linear or branched alkyl or alkenyl radical with a chain length of about 4 to 30 carbon atoms and x and y are integers such that the polyalkylene terephthalate units comprise about 70 to 90 mole percent of the copolymer.

Claim 18

Dependent Claim 83 words

A solid surgical aid molded or machined of an oriented thermoplastic copolymer consisting essentially of a multiplicity of recurring polyalkylene terephthalate and polyalkylene alkyl or alkenyl succinate units having the following general formula: ##STR5## where n is 2 to 6, R is a linear or branched alkyl or alkenyl radical with a chain length of about 4 to 30 carbon atoms and x and y are integers such that the polyalkylene terephthalate units comprise about 70 to 90 mole percent of the copolymer.

Claim 19

Dependent Claim 86 words

A fibrillar surgical aid comprising knitted woven or nonwoven oriented fibers of a thermoplastic copolymer consisting essentially of a multiplicity of recurring polyalkylene terephthalate and polyalkylene alkyl or alkenyl succinate units having the following general formula: ##STR6## where n is 2 to 6, R is a linear or branched alkyl or alkenyl radical with a chain length of about 4 to 30 carbon atoms and x and y are integers such that the polyalkylene terephthalate units comprise about 70 to 90 mole percent of the copolymer.

Claim 20

Dependent Claim 86 words

A fibrillar surgical aid comprising knitted woven or nonwoven oriented fibers of a thermoplastic copolymer consisting essentially of a multiplicity of recurring polyalkylene terephthalate and polyalkylene alkyl or alkenyl succinate units having the following general formula: ##STR6## where n is 2 to 6, R is a linear or branched alkyl or alkenyl radical with a chain length of about 4 to 30 carbon atoms and x and y are integers such that the polyalkylene terephthalate units comprise about 70 to 90 mole percent of the copolymer.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1986-06-20	1986-12-20	1987-06-21	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1990-06-20	1990-12-20	1991-06-21	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1994-06-20	1994-12-20	1995-06-21	$7700.00	Window Closed / Lapsed

High compliance monofilament surgical sutures comprising poly[alkylene terephthalate-co-(2-alkenyl or alkyl)succinate]

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