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US 2025/0143902 A1Published application
Urological chitosan stent and delivery system
AssigneeOlympus Corporation
InventorsMoritz Koroschetz, Seiichi Ito
Life of this patent
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Abstract
An apparatus includes a first layer, wherein the first layer comprises a scaffold structure forming an inner lumen along a length of the scaffold structure, and wherein the first layer comprises a bioresorbable material; a second layer on the first layer, wherein the second layer comprises a bioresorbable material configured to expand, wherein the second layer is positioned on the first layer such that ends of the first layer extend beyond ends of the second layer; and an expandable balloon located within a distal end of the inner lumen of the first layer.
Claims11
(canceled)
A method, comprising:
- inserting an apparatus into a prostatic urethra of a patient, wherein the apparatus comprises at least one layer of a bioresorbable and expandable material;
- and
- expanding the at least one layer to cause the at least one layer to press against an inner surface of the prostatic urethra, wherein expanding the at least one layer comprises exposing the at least one layer to a liquid draining through the prostatic urethra.
Dependencies are inferred from the claim text.