David E Linden

US Patent:

20070275034, Nov 29, 2007

Filed:

Jun 20, 2007

Appl. No.:

11/820849

Inventors:

Shalaby Shalaby - Anderson SC, US
James Lindsey - Anderson SC, US
M. Taylor - Pendleton SC, US
David Linden - Pendleton SC, US
David Ingram - Central SC, US

International Classification:

A61F 2/02

US Classification:

424423000, 514785000, 606231000, 525438000

Abstract:

Biomedical and tissue engineering devices, such as surgical sutures and microporous scaffolds, respectively, which undergo swelling and increase in dimensions when placed in aqueous environments such as living tissues, are produced by the melt-spinning or electrostatic spinning into strong monofilament and multifilament yarns or microfibrous fabrics, respectively. Such devices are formed from especially high molecular weight crystalline polyether-esters having a minimum inherent viscosity of 0.8 dL/g and heat of fusion of at least 5 J/g, wherein the polyether-esters are made by grafting to a polyester component a polyether glycol component having a minimum molecular weight of about 1 kDa with at least one cyclic monomer.

US Patent:

20140328888, Nov 6, 2014

Filed:

Jul 21, 2014

Appl. No.:

14/336779

Inventors:

- Anderson SC, US
James M. Lindsey - Pendleton SC, US
Scott Taylor - Pendleton SC, US
David E. Linden - Pendleton SC, US
David R. Ingram - Central SC, US

Assignee:

Poly-Med, Inc. - Anderson SC

International Classification:

A61L 17/10
C08G 64/18
A61L 17/14
A61L 27/58
A61L 27/54
A61L 17/00
C08G 63/668
A61L 27/18

US Classification:

424409, 528354, 528370, 521179, 521178, 424443, 442327, 424400

Abstract:

Biomedical and tissue engineering devices, such as surgical sutures and microporous scaffolds, respectively, which undergo swelling and increase in dimensions when placed in aqueous environments such as living tissues, are produced by the melt-spinning or electrostatic spinning into strong monofilament and multifilament yarns or microfibrous fabrics, respectively. Such devices are formed from especially high molecular weight crystalline polyether-esters having a minimum inherent viscosity of 0.8 dL/g and heat of fusion of at least 5 J/g, wherein the polyether-esters are made by grafting to a polyester component a polyether glycol component having a minimum molecular weight of about 11 kDa with at least one cyclic monomer.