Embolus blood clot filter and delivery system
First Claim
Patent Images
1. A filter delivery system, comprising:
- a vena cava filter having a plurality of anchor members terminating in a hook, each anchor member having an anchor portion adjacent to the hook, the anchor portion transitioning from a first width equal to a maximum width of the anchor member to a second width less than the first width; and
a pusher assembly including a spline member having a plurality of grooves, each groove narrowing in width to a minimum width that is less than the anchor portion first width, each groove engaging a section of the anchor portion in an interference fit.
1 Assignment
0 Petitions
Accused Products
Abstract
A blood filter delivery system for delivering a filter into a vein includes an introducer and a push rod with a spline member disposed along the push rod. The spline member has a main body, and first and second boss portions spaced apart along the longitudinal axis to provide a gap for retaining anchor member of the filter during delivery via the introducer.
-
Citations
10 Claims
-
1. A filter delivery system, comprising:
-
a vena cava filter having a plurality of anchor members terminating in a hook, each anchor member having an anchor portion adjacent to the hook, the anchor portion transitioning from a first width equal to a maximum width of the anchor member to a second width less than the first width; and a pusher assembly including a spline member having a plurality of grooves, each groove narrowing in width to a minimum width that is less than the anchor portion first width, each groove engaging a section of the anchor portion in an interference fit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
Specification