Vascular locating systems and methods of use
AssigneeEssential Medical, Inc.
InventorsGreg Walters, Joseph T. Grintz, Julie Lin
Life of this patent
Estimating the term…
Abstract
Disclosed are puncture sealing systems and methods of locating a puncture site within a vessel. The systems can include puncture locating dilators and access sheaths that are configured to locate the puncture site within a vessel so that the position of the puncture site relative to a distal end of the access sheath is known during a puncture sealing procedure.
Claims33
A method of locating a puncture site in a vessel of a patient, the method comprising the steps of:
- inserting a guide wire through the puncture site and into the vessel such that a portion of the guide wire protrudes from the vessel;
- inserting a proximal end of the guide wire into a distal end of a dilator, the dilator having an inlet hole, an outlet hole in fluid communication with the inlet hole, and a radiopaque marker proximate to the inlet hole;
- moving the dilator along the guide wire until the distal end of the dilator and the inlet hole enter the vessel such that blood flows into the inlet hole and out the outlet hole to thereby locate a position of the puncture site;
- after the position of the puncture site has been located, determining a position of the radiopaque marker of the dilator on an imaging device;
- and
- positioning an external marker on the patient that corresponds with the position of the radiopaque marker of the dilator determined on the imaging device to thereby provide a visual indication of the puncture site location after the dilator is removed from the guide wire.
A method of locating a puncture site in a vessel of a patient, the method comprising the steps of:
- inserting a guide wire through the puncture site and into the vessel such that a portion of the guide wire protrudes from the vessel;
- inserting a proximal end of the guide wire into a distal end of a sheath dilator that is coupled within an access channel of a sheath body, at least one of the sheath dilator and the sheath body having an inlet hole and an outlet hole in fluid communication with the inlet hole;
- moving the sheath dilator and sheath body combination along the guide wire until the distal end of the sheath dilator and the inlet hole enter the vessel such that blood flows into the inlet hole and out the outlet hole to thereby determine a position of the puncture site;
- and
- noting a first visible marking of a plurality of markings on the sheath body that is adjacent the patient's skin when the blood flows out the outlet hole.
A method of locating a puncture site in a vessel of a patient, the method comprising the steps of:
- inserting a guide wire through the puncture site and into the vessel such that a portion of the guide wire protrudes from the vessel;
- inserting a proximal end of the guide wire into a distal end of a sheath dilator that is coupled within an access channel of a sheath body, the sheath body having an inlet hole;
- moving the sheath dilator and sheath body combination distally along the guide wire until the inlet hole enters the vessel;
- confirming that the inlet hole is within the vessel by drawing fluid from the vessel with a syringe that is in communication with the inlet hole;
- slightly withdrawing the sheath dilator and sheath body combination proximally along the guide wire;
- actuating the syringe to determine whether the inlet hole is within the vessel;
- repeating the withdrawing and actuating steps until the inlet hole is external to the vessel;
- after the repeating step, slightly move the sheath dilator and sheath body combination distally along the guide wire to thereby position the inlet hole within the vessel;
- and
- noting a first visible marking of a plurality of markings on the sheath body that is adjacent the patient's skin when the inlet hole is positioned in the vessel.
Dependencies are inferred from the claim text.