Introducer with multiple sheaths and method of use therefor
First Claim
Patent Images
1. A vascular introducer comprising:
- a) an elongated primary sheath defining an interior lumen and having opposed proximal and distal end portions; and
b) at least one additional elongated sheath disposed within the interior lumen of the primary sheath, separate from the primary sheath and from any other sheath and adapted for movement from a collapsed condition to an open condition.
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Accused Products
Abstract
A vascular introducer is disclosed which includes an elongated primary sheath defining an interior lumen and having opposed proximal and distal end portions, and at least an elongated secondary sheath disposed within the interior lumen of the primary sheath and adapted for movement from a collapsed condition to an open condition in response to insertion of a dilator through an interior lumen thereof.
178 Citations
35 Claims
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1. A vascular introducer comprising:
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a) an elongated primary sheath defining an interior lumen and having opposed proximal and distal end portions; and
b) at least one additional elongated sheath disposed within the interior lumen of the primary sheath, separate from the primary sheath and from any other sheath and adapted for movement from a collapsed condition to an open condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A vascular introducer comprising:
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a) an elongated primary sheath defining an interior lumen and having opposed proximal and distal end portions;
b) an elongated secondary sheath disposed within the interior lumen of the primary sheath, separate from the primary sheath and from any other sheath and adapted for movement from a collapsed condition to an open condition; and
c) an elongated dilator configured for reception within the interior lumen of the primary sheath and adapted for insertion through the interior lumen of the secondary sheath to effectuate movement of the secondary sheath from the collapsed condition to the open condition. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A method of implanting surgical devices through the surface of the skin comprising the steps of:
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a) providing a vascular introducer including an elongated primary sheath defining an interior lumen, an elongated secondary sheath separate from the primary sheath and from any other sheath and disposed within the interior lumen of the primary sheath in a collapsed condition, and an elongated dilator disposed within the interior lumen of the primary sheath;
b) advancing the vascular introducer through the surface of the skin to a desired position within a blood vessel;
c) removing the dilator from the interior lumen of the primary sheath;
d) introducing a first surgical device to the desired position within the blood vessel through the interior lumen of the primary sheath;
e) peeling the primary sheath away from the secondary sheath;
f) advancing the dilator through the interior lumen of the secondary sheath to move the secondary sheath into an open condition; and
g) introducing a second surgical device to the desired position within the blood vessel through the interior lumen of the secondary sheath. - View Dependent Claims (31, 32, 33, 34, 35)
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Specification