Single wire intravascular filter
First Claim
Patent Images
1. An intravascular filter, comprising:
- a single filter wire defining a first end section, a second end section, and one or more filter loops adapted to collect blood clots contained within a blood vessel;
the one or more filter loops forming a conical-shaped structure having an apex section and a base section.
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Abstract
Single-wire intravascular filters for use in filtering blood clots within the body are disclosed. An intravascular filter in accordance with an illustrative embodiment of the present invention can include a single filter wire defining a first end section, a second end section, and one or more filter loops adapted to collect blood clots contained within a blood vessel. Each of the filter loops can be configured to slope outwardly at an angle away from a central longitudinal axis of the filter to form a conical-shaped structure having an apex section and a base section.
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Citations
47 Claims
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1. An intravascular filter, comprising:
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a single filter wire defining a first end section, a second end section, and one or more filter loops adapted to collect blood clots contained within a blood vessel;
the one or more filter loops forming a conical-shaped structure having an apex section and a base section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An intravascular filter, comprising:
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a single filter wire defining a first end section, a second end section, and one or more filter loops adapted to collect blood clots contained within a blood vessel;
each of the one or more filter loops sloping outwardly at an angle away from a central longitudinal axis of the intravascular filter and forming a conical-shaped structure having an apex section and a base section. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. An intravascular filter, comprising:
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a single filter wire defining a first end section, a second end section, and one or more filter loops adapted to collect blood clots contained within a blood vessel, said first and second end sections being oriented in a direction substantially collinear with a central longitudinal axis of the intravascular filter; and
wherein each of the one or more filter loops slopes outwardly at an angle away from the central longitudinal axis to form a conical-shaped structure having an apex section and a base section.
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35. An intravascular filter system, comprising:
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an intravascular filter including a single filter wire defining a first end section, a second end section, and one or more filter loops adapted to collect blood clots contained within a blood vessel, said one or more filter loops forming a conical-shaped structure having an apex section and a base section; and
a retrieval device for engaging a retrieval member formed on the first and second end sections of the filter wire. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42)
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43. A method of retrieving an intravascular filter disposed within a patient'"'"'s blood vessel, comprising the steps of:
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providing an intravascular filter including a single filter wire defining a first end section, a second end section, and one or more filter loops adapted to collect blood clots contained within the blood vessel;
providing an elongated retrieval device having a proximal section and a distal section;
inserting the distal section of the retrieval device into the patient'"'"'s body and advancing the retrieval device to the site of the intravascular filter;
coupling the retrieval device to the intravascular filter;
inserting a retrieval sheath or catheter into the patient'"'"'s vasculature and advancing the retrieval sheath or catheter to the site of the intravascular filter;
loading the intravascular filter into an interior lumen of the retrieval sheath or catheter; and
removing the intravascular filter from the patient'"'"'s body. - View Dependent Claims (44, 45, 46, 47)
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Specification