Device to create proximal stasis
First Claim
1. A method of performing an intravascular procedure at a treatment site in a vessel of a patient comprising:
- providing a sealing device having proximal and distal ends, a distal sealing portion and a proximal sealing portion and having a lumen extending therethrough;
introducing a guide catheter into the vessel;
advancing the guide catheter through the vessel until a distal end of the guide catheter is at a desired location proximal of the treatment site;
introducing the sealing device into a lumen of the guide catheter;
advancing the sealing device through the lumen of the guide catheter until the distal sealing portion extends from the distal end of the guide catheter;
occluding the flow of blood through the vessel with the sealing device;
after blood flow has been occluded advancing a distal protection device through the lumens of the guide catheter and the sealing device and through the vessel to a location distal to the treatment site;
deploying the distal protection device;
after the distal protection device has been deployed withdrawing the distal sealing portion of the sealing device into the guide catheter to thereby re-establish the antegrade flow of blood though the vessel at the treatment site;
advancing a vascular treatment device through the guide catheter to the treatment site and performing the intravascular procedure with the treatment device while blood is flowing antegrade through the vessel at the treatment site.
2 Assignments
0 Petitions
Accused Products
Abstract
A method and system of performing an intravascular procedure at a treatment site in a vessel of a patient. A device creates a seal to prevent the flow of blood during the treatment of vascular disease. A seal may be formed between the distal inside diameter of a sheath or catheter such as a guide catheter as well as within a vessel, such as an artery or vein. An elongated device having a distal portion extending from the catheter and having a fluid impermeable membrane disposed about at least the distal end of the device is used to seal the vessel. The system includes a device to occlude blood flow and a distal protection device to filter or remove embolic debris.
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Citations
22 Claims
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1. A method of performing an intravascular procedure at a treatment site in a vessel of a patient comprising:
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providing a sealing device having proximal and distal ends, a distal sealing portion and a proximal sealing portion and having a lumen extending therethrough; introducing a guide catheter into the vessel; advancing the guide catheter through the vessel until a distal end of the guide catheter is at a desired location proximal of the treatment site; introducing the sealing device into a lumen of the guide catheter; advancing the sealing device through the lumen of the guide catheter until the distal sealing portion extends from the distal end of the guide catheter; occluding the flow of blood through the vessel with the sealing device; after blood flow has been occluded advancing a distal protection device through the lumens of the guide catheter and the sealing device and through the vessel to a location distal to the treatment site; deploying the distal protection device; after the distal protection device has been deployed withdrawing the distal sealing portion of the sealing device into the guide catheter to thereby re-establish the antegrade flow of blood though the vessel at the treatment site; advancing a vascular treatment device through the guide catheter to the treatment site and performing the intravascular procedure with the treatment device while blood is flowing antegrade through the vessel at the treatment site. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of performing an intravascular procedure at a treatment site in a vessel of a patient comprising:
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providing a sealing device having proximal and distal ends, a distal sealing portion and a proximal sealing portion and having a lumen extending therethrough; introducing a guide catheter into the vessel, the guide catheter having proximal and distal ends and a lumen and a valve connected at the proximal end for opening and closing the lumen of the guide catheter to fluid flow; advancing the guide catheter through the vessel until the distal end of the guide catheter is at a desired location proximal of the treatment site; introducing the sealing device into the lumen of the guide catheter; advancing the sealing device through the lumen of the guide catheter until the distal sealing portion extends from the distal end of the guide catheter; blocking antegrade blood flow through the vessel with the sealing device; opening the valve on the guide catheter to create retrograde blood flow through the vessel; after antegrade blood flow has been blocked advancing a distal protection device through the lumens of the guide catheter and the sealing device and through the vessel to a location distal to the treatment site; deploying the distal protection device; after the distal protection device has been deployed withdrawing the distal sealing portion of the sealing device into the guide catheter to thereby re-establish the ante grade flow of blood through the vessel at the treatment site; advancing a vascular treatment device through the guide catheter to the treatment site and performing the intravascular procedure with the treatment device while blood is flowing antegrade through the vessel at the treatment site.
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22. A method of performing an intravascular procedure at a treatment site in a vessel of a patient comprising:
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providing a sealing device having proximal and distal ends, a distal sealing portion and a proximal sealing portion and having a lumen extending therethrough; introducing a guide catheter into the vessel, the guide catheter having proximal and distal ends and a lumen and a suction device connected to the lumen; advancing the guide catheter through the vessel until the distal end of the guide catheter is at a desired location proximal of the treatment site; introducing the sealing device into the lumen of the guide catheter; advancing the sealing device through the lumen of the guide catheter until the distal sealing portion extends from the distal end of the guide catheter; blocking antegrade blood flow though the vessel with the sealing device; operating the suction device to create retrograde blood flow through the vessel; after antegrade blood flow has been blocked advancing a distal protection device through the lumens of the guide catheter and the sealing device and through the vessel to a location distal to the treatment site; deploying the distal protection device; after the distal protection device has been deployed withdrawing the distal sealing portion of the sealing device into the guide catheter to thereby re-establish the antegrade flow of blood through the vessel at the treatment site; advancing a vascular treatment device through the guide catheter to the treatment site and performing the intravascular procedure with the treatment device while blood is flowing antegrade through the vessel at the treatment site.
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Specification