Emboli and thrombi filter device and method of using the same
First Claim
1. A surgical filter basket device for use with a guidewire, comprising:
- a) a filter basket having a proximal portion and a distal portion;
b) a first shaft element having a distal portion coupled to said proximal portion of said filter basket;
c) a second shaft element having a distal portion coupled to said distal portion of said filter basket, said first and second shaft elements being intertwined relative to each other, yet permitted to move longitudinally relative to each other without plastic deformation; and
d) a guidewire mounting means for advancing a portion of said device over the guidewire.
2 Assignments
0 Petitions
Accused Products
Abstract
A filter basket device includes two shaft wires, a filter basket adapted to capture emboli and thrombi, and an actuation handle. The shaft wires are loosely twisted together so that they remain adjacent to each other, and yet are able to slide relative to each other with little friction and without plastic deformation. One shaft wire is connected to the distal end of the filter basket, and the other shaft wire is connected to the proximal end of the filter basket. The actuation handle moves the shaft wires relative to each other to control opening and closing of the basket. In one embodiment, a guidewire-accepting fitting is attached to a distal portion of the device and permits advancement of the device over a guidewire until a desired location along the guidewire is reached. In another embodiment, the basket is provided with a tip resembling a guidewire.
102 Citations
21 Claims
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1. A surgical filter basket device for use with a guidewire, comprising:
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a) a filter basket having a proximal portion and a distal portion; b) a first shaft element having a distal portion coupled to said proximal portion of said filter basket; c) a second shaft element having a distal portion coupled to said distal portion of said filter basket, said first and second shaft elements being intertwined relative to each other, yet permitted to move longitudinally relative to each other without plastic deformation; and d) a guidewire mounting means for advancing a portion of said device over the guidewire. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A surgical filter basket device, comprising:
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a) a filter basket having a proximal portion and a distal portion; b) a first shaft element having a distal portion coupled to said proximal portion of said filter basket; c) a second shaft element having a distal portion coupled to said distal portion of said filter basket, said first and second shaft elements being nonconcentric and longitudinally movable relative to each other, wherein such relative longitudinal movement moves said filter basket from between open and closed configurations, wherein neither of said first and second shaft elements extends within the other; and d) a guidewire mounting means for advancing a portion of said device over a guidewire. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A surgical filter basket device for use with a guidewire, comprising:
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a) a filter basket having proximal and distal portions; b) a shaft including a first element having a distal portion coupled to said proximal portion of said filter basket, and a second element having a distal portion coupled to said distal portion of said filter basket, said first and second elements being intertwined relative to each other along their respective lengths, yet permitted to move longitudinally relative to each other without plastic deformation, wherein such relative longitudinal movement moves said filter basket from between open and closed configurations; and c) a fitting coupled to one of said filter basket and said shaft element, said fitting adapted to be slidably mounted over the guidewire. - View Dependent Claims (19, 20, 21)
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Specification