Method of applying the drug
AssigneeOlympus Corporation
InventorHiroyuki KOJO
Life of this patent
Estimating the term…
Abstract
A drug is applied to a wall portion of a body cavity through a drug administration sheath including a first lumen that supplies a drug and a second lumen that is provided with at least one balloon. The drug administration sheath is inserted through an ostium of the body cavity until a distal end of the sheath reaches a deep part of the body cavity. The drug supplied through the first lumen is applied to a mucosa in the body cavity, utilizing inflation and movement of the balloon provided in the second lumen inside the body cavity so as to spread the drug along the mucosa.
Claims7
A method of applying a drug on a wall portion of a body cavity through one of:
- a drug administration sheath including a first lumen that supplies a drug and a second lumen that is arranged along the first lumen and provided with at least one balloon;
- and a drug administration sheath including a first lumen that supplies a drug and a second lumen containing a sheath passing through the first lumen and provided with at least one balloon, the method comprising:
- inserting the drug administration sheath through an ostium of the body cavity until a distal end of the balloon reaches a deep part of the body cavity;
- and
- applying the drug supplied through the first lumen by inflating and moving the balloon inside the body cavity so as to spread the drug along a mucosa in the body cavity.
Dependencies are inferred from the claim text.