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US 2006/0190024 A1Published application
Recovery catheter apparatus and method
OwnerNianjiong Bei, William Boyle +3inventors
InventorsNianjiong Bei, William Boyle, Gregory Fung, Joanna Lubas, Alexander Nikanorov
Life of this patent
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Abstract
A catheter assembly configured for retrieval of medical devices from vasculature. The catheter includes an outer catheter and an inner catheter. The inner and/or outer catheter can include a tapered terminal end portion. A mandrel can be provided to facilitate advancement of the assembly within vasculature.
Claims23
A system for use in vasculature, comprising:
- a filter device connected to an elongate member;
- and
- a recovery catheter, the recovery catheter including an outer catheter and an inner catheter slideably received in the outer catheter, the outer catheter including a superior end portion sized to receive the filter, and the inner catheter including a lumen that receives the elongate member and a terminal end portion forming a tapered tip.
A system for use in vasculature, comprising:
- a filter device connected to an elongate member;
- and
- a recovery catheter, the recovery catheter including an elongate tubular member configured to receive the filter device and a mandrel extending along the tubular member, the mandrel having a variable durometer along its length.
A system for use in vasculature, comprising:
- a filter device connected to an elongate member;
- and
- a recovery catheter, the recovery catheter including a first section having four layers of material and a second section with two layers of material.
Dependencies are inferred from the claim text.