Patent ID: 11944723
Assignee: INSTITUT QUIMIC DE SARRIA CETS FUNDACIO PRIVADA
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 1:
2. A method of treating a vascular defect in a blood vessel wall of a blood vessel having a flow of blood therethrough, the method comprising positioning a vascular repair patch for repairing damage in a blood vessel wall across the vascular defect such that the vascular repair patch conforms to an inside of the blood vessel wall, wherein the vascular repair patch comprises a polymeric substrate having first and second major surfaces, wherein the substrate comprises at least:
(i) a first polymer filament layer adjacent the first major surface comprising a plurality of polymer filaments wherein the polymer filaments are oriented in parallel wherein the vascular repair patch is configured such that, in use, the first polymer filament layer is adjacent to the flow of blood, and the polymer filaments in the first polymer filament layer are oriented in parallel with the flow of blood through the blood vessel; and
(ii) a second polymer filament layer adjacent the second major surface comprising a plurality of polymer filaments wherein the polymer filaments are oriented randomly; wherein the vascular repair patch is configured such that, in use, the second polymer filament layer is disposed against the blood vessel wall,
wherein the vascular repair patch is substantially planar in form, with a length and width of the first and second major surfaces being substantially larger than a thickness of the vascular repair patch; and
wherein the method further comprises disposing the second polymer filament layer against the blood vessel wall and orientating the polymer filaments in the first polymer filament layer in parallel with the flow of blood through the blood vessel.