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US 8,911,415 B2Granted
Ureteral access sheath
AssigneeC. R. Bard, Inc.
InventorTracey E. Knapp
Life of this patent
Estimating the term…
Abstract
In one embodiment, an access sheath includes a sheath assembly including sheath tubing, the sheath tubing having a main lumen and a secondary lumen that extends along the length of the main lumen, the main lumen being large enough to receive an endoscope.
Claims20
An access sheath assembly, comprising:
- a sheath tubing having:
- a main lumen;
- a secondary lumen having:
- a cross-sectional area smaller than a cross-sectional area of the main lumen;
- a length less than a length of the main lumen;
- and
- a distal end outlet proximally spaced from a distal end outlet of the main lumen;
- and
- an opening adjacent the distal end outlet of the secondary lumen that extends through the sheath tubing to provide access between the secondary lumen and the main lumen;
- and
- a dilator assembly including a dilator tubing having a pliable tip.
8 more elements
An access sheath assembly, comprising:
- an access sheath having a main lumen;
- a dilator assembly including:
- a dilator including a dilator shaft and a pliable tip, the pliable tip extending from a distal end of the main lumen when the dilator shaft is received therein;
- and
- a dilator hub including first and second locking tabs;
- and
- an access sheath hub including:
- a cylindrical main body portion comprising first and second wing portions extending from an outer surface of the main body portion, each of the first and second wing portions including an opening;
- and
- a funnel portion including first and second locking slots cooperating with the first and second locking tabs to lock the dilator hub to the access sheath hub.
7 more elements
Dependencies are inferred from the claim text.