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US 8,556,894 B2Granted
Sphincterotome with stiffening member
AssigneeBoston Scientific Scimed, Inc.
InventorsLeslie P. Sherwood, Gary A. Jordan
Life of this patent
Estimating the term…
Abstract
A sphincterotome is disclosed including an elongate shaft having a lumen extending through at least a portion of the elongate shaft. The lumen includes a proximal segment and a distal segment. A cutting element extends within the lumen through the proximal segment of the lumen and extends exterior of the elongate shaft along the distal segment of the lumen. A stiffening member is positioned within the distal segment of the lumen.
Claims17
An electrosurgical cutting device comprising:
- an elongate shaft having a proximal end and a distal end, the elongate shaft including:
- a first lumen extending to the distal end of the elongate shaft;
- a second lumen terminating proximal of the distal end of the elongate shaft;
- a first side port extending through a sidewall of the elongate shaft at a location intermediate the proximal and distal ends of the elongate shaft, the first side port in communication with the second lumen;
- and
- a second side port extending through a sidewall of the elongate shaft at a location intermediate the first side port and the distal end of the elongate shaft, the second side port in communication with the second lumen;
- a cutting element extending through the second lumen proximal of the first side port and extending exterior of the elongate shaft between the first side port and the second side port;
- and
- a stiffening member positioned in the second lumen such that a proximal end of the stiffening member is located proximal of the second side port and a distal end of the stiffening member is located distal of the second side port, wherein the stiffening member has a solid cross-section which substantially fills the second lumen.
6 more elements
A sphincterotome comprising:
- an elongate shaft having a proximal end and a distal end;
- a lumen extending through at least a portion of the elongate shaft;
- a first side port extending through a sidewall of the elongate shaft at a location intermediate the proximal and distal ends of the elongate shaft, the first side port in communication with the lumen;
- a second side port extending through a sidewall of the elongate shaft at a location intermediate the first side port and the distal end of the elongate shaft, the second side port in communication with the lumen;
- a cutting element extending through the lumen proximal of the first side port and extending exterior of the elongate shaft between the first side port and the second side port;
- and
- a stiffening member positioned in the lumen such that a proximal end of the stiffening member is located proximal of the second side port and a distal end of the stiffening member is located distal of the second side port;
- wherein the stiffening member does not occupy any portion of the lumen proximal of the first side port.
5 more elements
Dependencies are inferred from the claim text.