Perfusion guidewire in combination with a distal filter
First Claim
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1. An embolic protection filter, comprising:
- a solid shaft having a proximal end and a distal end;
a filter coupled to the distal end of the shaft, the filter including a filter frame having a filter material coupled thereto, the filter material having one or more openings defined therein; and
a perfusion member disposed between and coupled to the shaft and the filter, the perfusion member having one or more openings therethrough which permit blood to flow from an upstream side of the filter between the shaft and the filter to a downstream side of the filter and substantially prevent debris from passing;
wherein the perfusion member includes a porous tube.
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Abstract
The present invention relates generally to perfusion catheters and distal protection devices. According to an embodiment, the present invention includes a distal protection filter comprising an elongate shaft having a proximal end and a distal end, a distal protection device disposed at the distal end, a coupling member that couples the elongate shaft to the distal protection device, and a first space between the coupling member and the elongate shaft. A method of filtering debris from a blood vessel is also disclosed.
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Citations
2 Claims
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1. An embolic protection filter, comprising:
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a solid shaft having a proximal end and a distal end; a filter coupled to the distal end of the shaft, the filter including a filter frame having a filter material coupled thereto, the filter material having one or more openings defined therein; and a perfusion member disposed between and coupled to the shaft and the filter, the perfusion member having one or more openings therethrough which permit blood to flow from an upstream side of the filter between the shaft and the filter to a downstream side of the filter and substantially prevent debris from passing; wherein the perfusion member includes a porous tube. - View Dependent Claims (2)
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Specification
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Current AssigneeBoston Scientific Scimed, Inc. (Boston Scientific Corporation)
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Original AssigneeBoston Scientific Scimed, Inc. (Boston Scientific Corporation)
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InventorsGoll, Paul, Anderson, James Kellett M., Vogel, Jeffrey H.
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Primary Examiner(s)Manahan; Todd E
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Assistant Examiner(s)Mendoza; Michael G
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Application NumberUS11/381,471Publication NumberTime in Patent Office1,581 DaysField of Search606/200, 606/127, 606/128, 606/159US Class Current606/200CPC Class CodesA61F 2/013 Distal protection devices, ...A61F 2002/018 made from tubes or sheets o...A61F 2230/0006 circularA61F 2230/0067 conicalA61F 2250/0067 Means for introducing or re...
