Patent ID: 7008441

Claim:
A method for hemostasis of an artery having a puncture after arterial catheterization, said catheterization using a catheter introducer, the method comprising the steps of: inserting into an artery a catheter introducer having a forward end; following arterial catheterization and removal of a catheter from the catheter introducer, introducing into the artery via said catheter introducer, a hemostasis device including an elongate flexible hollow shaft having an inflatable anchor balloon at a forward end thereof and an inflatable peripheral balloon adjacent said forward end of said hollow shaft; inflating the inflatable anchor balloon inside the artery, causing said inflatable anchor balloon to assume an inflated state having a cusp-type configuration; retracting said hemostasis device and said catheter introducer until said anchor balloon in said inflated state engages an inner wall surface of a wall of the artery about said catheter introducer; thereafter retracting said catheter introducer such that the forward end thereof lies outside the wall of the artery, while said anchor balloon in said inflated state blocks blood flow from the artery; inflating said peripheral balloon as it lies outside an outer surface of the wall of the artery, thereby causing the peripheral balloon to assume an inflated state; deflating the inflatable anchor balloon; thereafter, while said peripheral balloon seals a region outside said artery and surrounding an aperture in said artery, allowing hemostasis to occur thereat; and following hemostasis, deflating said peripheral balloon and removing said hemostasis device from the patient.