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US 10,869,748 B2Granted
Active monitoring pressure sensitive vascular graft
AssigneeRegents of the University of Minnesota
InventorsMichael Rosenberg, Sean Lester Moen, Jafar Golzarian
Life of this patent
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Abstract
A vascular graft includes deformable sleeves that include an electrical component. The electrical component can be variable-resistance or piezoelectric, in embodiments, such that deformation of the sleeves due to pressure changes create or modify an electrical signal. A transponder can then transmit information relating to the pressure inside and outside of the vascular graft.
Claims12
A vascular graft comprising:
- a support lattice defining an enclosed flowpath;
- an inner sleeve disposed along a radially inner portion of the support lattice, the inner sleeve comprising a deformable material and a first electrical component coupled to the deformable material, the first electrical component at least partially spanning along the inner sleeve in a continuous first layer, the first electrical component configured to produce an electrical signal indicative of a level of deformation;
- an outer sleeve disposed along a radially outer portion of the support lattice, the outer sleeve comprising a deformable material and a second electrical component coupled to the deformable material, the second electrical at least partially spanning along the outer sleeve in a continuous second layer, the second electrical component configured to produce an electrical signal indicative of a level of deformation;
- and
- a transponder electronically coupled to the inner sleeve and the outer sleeve and configured to transmit a signal corresponding to the level of deformation of the inner sleeve and the level of deformation of the outer sleeve.
2 more elements
Dependencies are inferred from the claim text.