Other

Dow Global Technolgoies LLC

Arterius Limited

Eovations, LLC

Phil Caton-Rose

Glen Peter Thompson

Philip D Coates

Ian MacMillan Ward

Kevin Louis Nichols

Brett M Birchmeier

Rajen M Patel

Martin H Tusim

Kevin L Nichols

Kadem Al-Lamee

Adrian Kelly

Vijay Wani

Ian M Ward

Glen P Thompson

Bioresorbable polymeric tubes suitable for use in a stent have been produced by a using a die drawing technique, comprising: &#x2014;deforming an orientable, thermoplastic polymer tubing () in the solid phase by drawing it over a mandrel () and/or through a die (), where the mandrel () has a lead end and an exit end and the die () has an entry side and an exit side, wherein a drawing mechanism applies a drawing tension to the tubing () from the exit end of the mandrel () and/or the exit side of the die (), said tension being insufficient to cause tensile failure of the tubing but sufficient to deform the tubing, thereby drawing the tubing over the mandrel () and/or through the die () in the solid phase to induce uniaxial or biaxial orientation of the polymer; and &#x2014;collecting the deformed tubing from the exit end of the mandrel () and/or the exit side of the die ().

Method of producing a tube for use in the formation of a stent, and such tube

An oriented polymer composition containing thirty to 95 weight-percent inert inorganic filler and a continuous phase of at least one orientable polymer contains void spaces due to cavitation and has a density of less than 0.8 grams per cubic centimeter, a flexural modulus of 1.4 gigapascals or more, cross section dimensions all greater than 1.5 millimeters, a delamination force value of 44.5 Newtons (ten pounds force) or more and little or no blowing agent.

Low density oriented polymer composition with inert inorganic filler

An inventive solid state drawing die has shaping walls that define a shaping channel and that, in the course of solid state drawing, direct polymer composition along a drawing path. Each cross section of the drawing path (and, hence, polymer composition in the drawing path) is non-circular, substantially proportional to one another, contains a centroid that lies on a substantially straight line parallel to the drawing direction and all cross sectional dimensions are 1.5 millimeters or more.

Substantially proportional drawing die for polymer compositions

Growing community of inventors

Bradford, United Kingdom

Phil Caton-Rose