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US5266327A Expired / Lapsed US ⏱️ 0.0 years remaining

Enhanced suturing and means therefor

Assignee: Newcastle Innovation Ltd
•
Filing: 1991-02-08
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Granted: 1993-11-30
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Expires: 2011-02-08
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Abstract

Abstract The present invention relates to a surgical securing means having releaseably associated therewith a peptide, said peptide comprising the amino acid sequence: [aa].sub.n -[RG-(x).sub.n.sbsb.1 ].sub.n.sbsb.2 -[aa].sub.n.sbsb.3 wherein R is arginine; G is glycine; x is aspartate or glutamate; aa is any amino acid; and n is 0-100; n 1 is 0 or 1 n 2 is 1-100 n 3 is 0-100 and wherein said peptide is released in an amount effective to induce fibroblast-mediated collagen lattice contraction.

Inventors

  • 👤 Michael V. Agrez

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:59
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/17; A61K38/39; A61L; A61L17/00; A61L17/005; A61L17/06; A61L31/00; A61L31/04; A61L31/043; A61L31/047; A61L31/14; A61L31/148; C; C07; C07K; C07K14/00; C07K14/435; C07K14/78; A61L2300/00; A61L2300/20; A61L2300/25; A61L2300/40; A61L2300/412

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 43 words
A surgical securing means comprising a peptide selected from the group consisting of Arg-Gly-Glu-Ser and Arg-Gly-Asp releasably coated and/or impregnated onto a surgical securing device wherein said peptide is released from said device in an amount effective to induce fibroblast-mediated collagen lattice contraction.
Claim 2
Dependent Claim 43 words
A surgical securing means comprising a peptide selected from the group consisting of Arg-Gly-Glu-Ser and Arg-Gly-Asp releasably coated and/or impregnated onto a surgical securing device wherein said peptide is released from said device in an amount effective to induce fibroblast-mediated collagen lattice contraction.
Claim 3
Dependent Claim 17 words
A surgical securing means in accordance with claim 1 wherein said surgical securing device is a suture.
Claim 4
Dependent Claim 18 words
A surgical securing means in accordance with claim 1 wherein said surgical securing device is a surgical staple.
Claim 5
Dependent Claim 18 words
A surgical securing means in accordance with claim 1 wherein said surgical securing device is an adsorbable screw.
Claim 6
Dependent Claim 19 words
A surgical securing means in accordance with claim 1, 2 or 3 wherein said surgical securing device is biodegradable.
Claim 7
Dependent Claim 40 words
A surgical securing means in accordance with claim 1 wherein said effective amount of said peptide released from said device is from about 10 to about 400 micrograms per ml. of fluid in the local environment around the securing device.
Claim 8
Dependent Claim 14 words
A surgical securing means in accordance with claim 1 wherein said peptide is Arg-Gly-Glu-Ser.
Claim 9
Dependent Claim 14 words
A surgical securing means in accordance with claim 1 wherein said peptide is Arg-Gly-Asp.
Claim 10
Independent Claim 45 words
A method of intestinal anastomosis comprising intestinal anastomosing with a surgical securing device releasably coated and/or impregnated with a peptide selected from the group consisting of Arg-Gly-Glu-Ser and Arg-Gly-Asp and wherein said peptide is released in an amount effective to induce faberblast-mediated collagen lattice contraction.
Claim 11
Independent Claim 45 words
A method of intestinal anastomosis comprising intestinal anastomosing with a surgical securing device releasably coated and/or impregnated with a peptide selected from the group consisting of Arg-Gly-Glu-Ser and Arg-Gly-Asp and wherein said peptide is released in an amount effective to induce faberblast-mediated collagen lattice contraction.
Claim 12
Dependent Claim 15 words
A method in accordance with claim 9 wherein said surgical securing device is a suture.
Claim 13
Dependent Claim 16 words
A method in accordance with claim 9 wherein said surgical securing device is a surgical staple.
Claim 14
Dependent Claim 16 words
A method in accordance with claim 9 wherein said surgical securing device is an adsorbable screw.
Claim 15
Dependent Claim 15 words
A method in claim 9, 10 or 11 wherein said surgical securing device is biodegradable.
Claim 16
Dependent Claim 38 words
A method in accordance with claim 9 wherein said effective amount of said peptide released from said device is from about 10 to about 400 micrograms per ml. of fluid in the local environment around the securing device.
Claim 17
Dependent Claim 12 words
A method in accordance with claim 9 wherein said peptide is Arg-Gly-Glu-Ser.
Claim 18
Dependent Claim 12 words
A method in accordance with claim 9 wherein said peptide is Arg-Gly-Asp.

References Cited (Backward Citations)

US4578079A Cited
US5013649A Cited
US5061693A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-11-29 1997-05-31 1997-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-11-29 2001-05-31 2001-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-11-29 2005-05-31 2005-11-30 $7700.00 Window Closed / Lapsed

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