Vessel access and closure device
First Claim
1. A blood vessel access and closure device, comprising:
- a helical suture needle having a proximal end and a distal end;
a torque transmitting member having a proximal end and a distal end, the distal end of the torque transmitting member being attached to the proximal end of the helical suture needle;
a suture having a proximal end and a distal end, the distal end of the suture being releasably attached near the distal end of the helical suture needle;
a suture anchor attached to the distal end of the helical suture;
a vessel dilator having a proximal end and a distal end, the vessel dilator having a tapered distal portion connected to a cylindrical body; and
a cutting element located on the tapered distal portion of the vessel dilator.
1 Assignment
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Accused Products
Abstract
A vessel access and closure device places a running suture in the wall of a blood vessel using a rotating helical suture needle that carries the suture along a helical path passing through the vessel wall, then reverses rotation to release a suture anchor attached to the distal end of the suture. A loose helical coil of suture is left behind as the helical suture needle withdraws. The device is withdrawn and replaced with a vessel dilator and an introducer sheath that opens up a larger access opening into the blood vessel and creates a pathway that passes though the helical coil of suture for introducing an interventional device into the blood vessel. After the interventional procedure is completed, the interventional device and the introducer sheath are withdrawn and the running suture is tightened and secured with a suture lock to close the access opening into the vessel.
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Citations
41 Claims
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1. A blood vessel access and closure device, comprising:
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a helical suture needle having a proximal end and a distal end; a torque transmitting member having a proximal end and a distal end, the distal end of the torque transmitting member being attached to the proximal end of the helical suture needle; a suture having a proximal end and a distal end, the distal end of the suture being releasably attached near the distal end of the helical suture needle; a suture anchor attached to the distal end of the helical suture; a vessel dilator having a proximal end and a distal end, the vessel dilator having a tapered distal portion connected to a cylindrical body; and a cutting element located on the tapered distal portion of the vessel dilator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A blood vessel access and closure device, comprising:
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a helical suture needle having a proximal end and a distal end; a torque transmitting tube having a proximal end and a distal end, the distal end of the torque transmitting tube being attached to the proximal end of the helical suture needle; an outer tube surrounding the torque transmitting tube; a stationary handle attached to a proximal end of the outer tube; a rotatable handle attached to a proximal end of the torque transmitting member, wherein the stationary handle and the rotatable handle are configured to limit axial movement of the torque transmitting tube with respect to the outer tube; a suturing tip connected to a distal end of the outer tube, the suturing tip being configured to redirect the helical suture needle from an orientation aligned with a longitudinal axis of the outer tube to an orientation aligned with an axis that is at an angle with respect to the longitudinal axis of the outer tube; a needle guide located within the outer tube proximal to the suturing tip, the needle guide having a helical groove configured to engage the helical suture needle; a suture having a proximal end and a distal end; a suture anchor attached to the distal end of the helical suture, the suture anchor being releasably attached near the distal end of the helical suture needle; a vessel dilator having a proximal end and a distal end, the vessel dilator having a tapered distal portion connected to a cylindrical body; a cutting or scoring element located on the tapered distal portion of the vessel dilator; and an introducer sheath having a sheath lumen that is positioned around the cylindrical body of the vessel dilator.
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23. A system for blood vessel access and closure, comprising:
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an access needle having a needle lumen extending therethrough; a guidewire insertable through the needle lumen of the access needle, the guidewire having a distal portion and a proximal portion with a bend between the distal portion and the proximal portion; a blood vessel access and closure device, comprising; a helical suture needle having a proximal end and a distal end; a torque transmitting member having a proximal end and a distal end, the distal end of the torque transmitting member being attached to the proximal end of the helical suture needle; a suture having a proximal end and a distal end, the distal end of the suture being releasably attached near the distal end of the helical suture needle; a suture anchor attached to the distal end of the helical suture; a vessel dilator having a proximal end and a distal end, the vessel dilator having a tapered distal portion connected to a cylindrical body; a cutting element located on the tapered distal portion of the vessel dilator; and an introducer sheath having a sheath lumen that is positioned around the cylindrical body of the vessel dilator. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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Specification