Embolic protection system
First Claim
Patent Images
1. A retrieval catheter for retrieving a medical device deployed in a vasculature, the catheter comprising:
- —
an outer catheter body; and
an inner coupling member having means for coupling to a medical device deployed in a vasculature;
the catheter body being movable distally relative to the coupling member to retrieve a coupled medical device into the catheter body.
1 Assignment
0 Petitions
Accused Products
Abstract
A retrieval catheter for retrieving a medical device deployed in a vasculature. The catheter comprises an outer catheter body and an inner coupling member having means for coupling to a medical device deployed in a vasculature. The catheter body is movable distally relative to the coupling member to retrieve a coupled medical device into the catheter body.
-
Citations
166 Claims
-
1. A retrieval catheter for retrieving a medical device deployed in a vasculature, the catheter comprising:
- —
an outer catheter body; and
an inner coupling member having means for coupling to a medical device deployed in a vasculature;
the catheter body being movable distally relative to the coupling member to retrieve a coupled medical device into the catheter body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 113)
- —
-
26. An embolic protection filter for deployment in a vasculature, the filter having an inlet end and an outlet end, the inlet end having one or more inlet openings sized to allow blood and embolic material enter the filter, and the outlet end of the filter having a plurality of outlet openings sized to allow through passage of blood but to retain undesired embolic material within the filter;
-
the filter being movable between a collapsed configuration for movement through a vasculature, and an outwardly extended configuration for deployment in a vasculature;
the filter at least in the collapsed configuration having a guidewire lumen defined at least partially therethrough for passing the filter over a guidewire;
wherein the guidewire lumen is defined by a lumen-defining member which is movable or removable reactive to the filter. - View Dependent Claims (27, 28, 29, 30)
-
-
31. An embolic protection filter for deployment in a vasculature, the filter having an inlet end and an outlet end, the inlet end having one or more inlet openings sized to allow blood and embolic material enter the filter, and the outlet end of the filter having a plurality of outlet openings sized to allow through passage of blood but to retain undesired embolic material within the filter;
-
the filter being movable between a collapsed configuration for movement through a vasculature, and an outwardly extended configuration for deployment in a vasculature in apposition with a vasculature wall;
in the outwardly extended configuration the filter exerting an outward radial force on a vasculature wall sufficient to retain the filter in position against substantial longitudinal movement. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
-
-
46. An embolic protection filter assembly for deployment in a vasculature, the assembly comprising:
- —
a filter having an inlet end and an outlet end, the inlet end having one or more inlet openings sized to allow blood and embolic material enter the filter, and the outlet end of the filter having a plurality of outlet openings sized to allow through passage of blood but to retain undesired embolic material within the filter; and
a receiver to guide a docking device into association with the filter. - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71)
- —
-
72. An embolic protection filter having an inlet end and an outlet end, the inlet end having one or more inlet openings sized to allow blood and embolic material enter the filter, and the outlet end of the filter having a plurality of outlet openings sized to allow through passage of blood but to retain undesired embolic material within the filter;
-
the filter having a guidewire aperture for passing the filter over a guidewire; and
the filter comprising a seal to seal the guidewire aperture. - View Dependent Claims (73, 74, 75, 76, 77, 78, 79, 80, 81)
-
-
82. A retrieval catheter for retrieving a medical device deployed in a vasculature, the catheter comprising:
- —
an outer catheter body; and
an inner coupling member having means for coupling to a medical device deployed in a vasculature;
the catheter body being movable distally relative to the coupling member to retrieve a coupled medical device into the catheter body. - View Dependent Claims (83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106)
- —
-
107. An embolic protection filter for deployment in a vasculature, the filter having an inlet end and an outlet end, the inlet end having one or more inlet openings sized to allow blood and embolic material enter the filter, and the outlet end of the filter having a plurality of outlet openings sized to allow through passage of blood but to retain undesired embolic material within the filter;
-
the filter being movable between a collapsed configuration for movement through a vasculature, and an outwardly extended configuration for deployment in a vasculature;
the filter at least in the collapsed configuration having a guidewire lumen defined at least partially therethrough for passing the filter over a guidewire;
wherein the guidewire lumen is defined by a lumen-defining member which is spaced proximally of the distal end of the filter. - View Dependent Claims (108, 109, 110, 111)
-
-
112. A method for the capture and removal of embolic material from a vasculature during an interventional procedure comprising the steps of:
- —
providing a collapsible embolic protection filter having a collapsed configuration for delivery of the filter, and a deployed configuration;
advancing a guidewire through a vasculature;
crossing a desired treatment location with the guidewire;
deploying the filter distal to the treatment location;
carrying out an interventional procedure at the treatment location, embolic material generated during the treatment procedure being captured by the deployed filter;
advancing a retrieval device;
engaging the filter with the retrieval device independent of the guidewire; and
withdrawing the retrieval device and the filter from the vasculature. - View Dependent Claims (114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 153)
- —
-
127. A method for the capture and removal of embolic material from a vasculature during an interventional procedure comprising the steps of:
- —
advancing a guidewire through a vasculature;
crossing a desired treatment location with the guidewire;
introducing over the guidewire a collapsible embolic protection filter having a collapsed configuration for delivery of the filter, and a deployed configuration;
deploying the filter distal to the treatment location;
the filter in the deployed configuration being retained in apposition with the vasculature independent of the guidewire against substantial longitudinal movement;
carrying out an interventional procedure at the treatment location, embolic material generated during the treatment procedure being captured by the deployed filter;
advancing a retrieval device;
engaging the filter with the retrieval device; and
withdrawing the retrieval device and the filter from the vasculature. - View Dependent Claims (128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 148, 149, 150, 151)
- —
-
141. A method for the capture and removal of embolic material from a vasculature during an interventional procedure comprising the steps of:
- —
providing a collapsible embolic protection filter having a collapsed configuration for delivery of the filter, and a deployed configuration;
advancing a guidewire through a vasculature;
crossing a desired treatment location with the guidewire;
deploying the filter distal to the treatment location;
withdrawing the guidewire from the filter and/or the desired treatment location; and
subsequently placing a guidewire in the filter;
carrying out an interventional procedure at the treatment location, embolic material generated during the treatment procedure being captured by the deployed filter;
advancing a retrieval device;
engaging the filter with the retrieval device; and
withdrawing the retrieval device and the filter from the vasculature. - View Dependent Claims (142, 143, 144, 145, 146, 147, 152, 154, 155)
- —
-
156. A method of retrieving a medical device from a vasculature, the method comprising the steps of:
- —
advancing a retrieval catheter through a vasculature until a distal end of the retrieval catheter is proximally of the deployed medical device;
axially elongating an element of the medical device to collapse the medical device; and
moving the retrieval catheter distally relative to the collapsed medical device to retrieve the medical device into the retrieval catheter. - View Dependent Claims (157)
- —
-
158. An embolic protection filter for deployment in a vasculature, the filter having an inlet end and an outlet end, the inlet end having one or more inlet openings sized to allow blood and embolic material enter the filter, and the outlet end of the filter having a plurality of outlet openings sized to allow through passage of blood but to retain undesired embolic material within the filter;
-
the filter being movable between a collapsed configuration for movement through a vasculature, and an outwardly extended configuration for deployment in a vasculature;
the filter at least in the collapsed configuration having a guidewire lumen defined at least partially therethrough for passing the filter over a guidewire;
wherein the tubular member is shortenable upon movement of the filter from the collapsed configuration to the extended configuration. - View Dependent Claims (159)
-
-
160. An embolic protection filter for deployment in a vasculature, the filter having an inlet end and an outlet end, the inlet end having one or more inlet openings sized to allow blood and embolic material enter the filter, and the outlet end of the filter having a plurality of outlet openings sized to allow through passage of blood but to retain undesired embolic material within the filter;
-
the filter being movable between a collapsed configuration for movement through a vasculature, and an outwardly extended configuration for deployment in a vasculature;
the filter at least in the collapsed configuration having a guidewire lumen defined at least partially therethrough for passing the filter over a guidewire;
wherein the filter comprises a support structure, in the collapsed configuration the support structure forming a tubular member to define the guidewire lumen.
-
-
161. A method for the capture and removal of embolic material from a vasculature during an interventional procedure comprising the steps of:
- —
advancing a guidewire through a vasculature;
crossing a desired treatment location with the guidewire;
introducing over the guidewire a collapsible embolic protection filter having a collapsed configuration for delivery and withdrawal of the filter, and a deployed configuration;
deploying the filter distal to the treatment location;
carrying out an interventional procedure at the treatment location, embolic material generated during the treatment procedure being captured by the deployed filter;
advancing a retrieval catheter;
fixing an abutment to the guidewire;
engaging the guidewire abutment with the filter to prevent movement of the filter distally of the guidewire abutment;
collapsing the filter and retrieving the filter into the retrieval catheter and with it the captured embolic material; and
withdrawing the retrieval catheter and the collapsed filter from the vasculature. - View Dependent Claims (162, 163)
- —
-
164. A retrieval catheter for retrieving a medical device deployed in a vasculature, the catheter comprising:
- —
a first coupling member having means for coupling to a medical device deployed in a vasculature; and
a second coupling member having means for coupling to the deployed medical device;
the coupling members being relatively movable to axially elongate the medical device and collapse the medical device. - View Dependent Claims (165)
- —
-
166. An embolic protection filter for deployment in a vasculature, the filter having an inlet end and an outlet end, the inlet end having one or more inlet openings sized to allow blood and embolic material enter the filter, and the outlet end of the filter having a plurality of outlet openings sized to allow through passage of blood but to retain undesired embolic material within the filter;
- and
the filter comprising an inflatable member to exert an outward radial force on a vasculature wall sufficient to retain the filter in position against substantial longitudinal movement.
- and
Specification