EMBOLECTOMY DEVICE
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Accused Products
Abstract
It is one object of the present invention to provide a device for extracting a clot from a blood vessel in a non fragmented manner, comprising: 1. an endless wire coupled to a spring-like helical member having a plurality of loops; said loops are positioned at an angle A relatively to the main longitudinal axis of said blood vessel; and, are adapted to radially encircle at least a portion of the outer circumference of said clot; and, 2. a tubular mesh-like net for both enveloping said helical member and enclosing said clot therein; wherein at least a portion of said clot is contemporaneously confined within said loops and said mesh-like net, such that radial compression forces and longitudinal shearing forces are exerted on said clot and the tendency of said clot to fragment is mitigated.
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Citations
136 Claims
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1-74. -74. (canceled)
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75. A device for extracting a clot from a blood vessel in a non fragmented manner, comprising:
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an endless wire coupled to a spring-like helical member having a plurality of loops;
said loops are positioned at an angle A relatively to the main longitudinal axis of said blood vessel; and
, are adapted to radially encircle at least a portion of the outer circumference of said clot; and
,a tubular mesh-like net for both enveloping said helical member and enclosing said clot therein; wherein at least a portion of said clot is contemporaneously confined within said loops and said mesh-like net, such that radial compression forces and longitudinal shearing forces are exerted on said clot and the tendency of said clot to fragment is mitigated. - View Dependent Claims (76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 93, 94, 95, 96)
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98. A method for removing an clot from blood vessel, comprising steps of:
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i. obtaining an embolectomy device comprising; a. an endless wire coupled to a spring-like helical member having a plurality of loops;
said loops are positioned at an angle A relatively to the main longitudinal axis of said blood vessel;b. a tubular mesh-like net; ii. integrating said spring-like helical member with said tubular mesh-like net; iii. approximating said clot; iv. rotating said helical member; v. radially encircling at least a portion of the outer circumference of said clot by said plurality of loops; vi. entrapping said clot confined within said loops; vii. inserting said confined clot into said tubular mesh-like net; viii. extracting said clot confined within said loops and said mesh-like net from said blood vessel; wherein said step of entrapping said clot confined within said loops by said tubular mesh-like net exerts radial compression forces and longitudinal shearing forces on said clot such that the tendency of said clot to fragment is mitigated. - View Dependent Claims (99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111)
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112. A method for removing an clot from blood vessel, comprising steps of:
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i. obtaining an embolectomy device comprising; a. an endless wire coupled to a spring-like helical member having a plurality of loops;
said loops are positioned at an angle A relatively to the main longitudinal axis of said blood vessel;b. a tubular mesh-like net; ii. integrating said spring-like helical member with said tubular mesh-like net; iii. rotating said helical member to approximate said clot whilst simultaneously approximating said mesh-like net to said clot; iv. radially encircling at least a portion of the outer circumference of said clot by said plurality of loops whilst simultaneously entrapping said clot, confined within said loops, within said mesh-like net; and
,v. extracting said mesh-like net from said blood vessel; wherein said step of entrapping said clot confined within said loops by said tubular mesh-like net exerts radial compression forces and longitudinal shearing forces on said clot such that the tendency of said clot to fragment is mitigated. - View Dependent Claims (113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125)
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126. A method for removing an clot from blood vessel, comprising steps of:
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i. obtaining an embolectomy device comprising; a. an endless wire coupled to a spring-like helical member having a plurality of loops;
said loops are positioned at an angle A relatively to the main longitudinal axis of said blood vessel;b. a tubular mesh-like net; ii. integrating said spring-like helical member with said tubular mesh-like net; iii. approximating said clot; iv. entrapping said clot via said mesh-like net; v. rotating said helical member thereby radially encircling at least a portion of the outer circumference of said clot by said plurality of loops; vi. extracting said mesh-like net from said blood vessel; wherein said step of radially encircling at least a portion of the outer circumference of said clot by said plurality of loops exerts radial compression forces and longitudinal shearing forces on said clot such that the tendency of said clot to fragment is mitigated. - View Dependent Claims (127, 128, 129, 130, 131, 132, 133, 134, 135, 136)
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Specification