Radial Artery Closure Device
First Claim
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1. A radial artery closure device for providing hemostasis to a radial artery access site, said closure device comprising;
- A. a first support plate having a compression surface attached thereto, said compression surface being attached to a compression element that supplies a compressive force to said compression surface to compress the radial artery access site without totally occluding blood flow in the radial artery, said compressive surface providing hemostasis at the radial access site,B. A holding strap to hold said first support plate such that said compression surface is adjacent the radial artery access site,C. a second surface attached to a second support plate, said second surface being attached to a second element that supplies a second force to said second surface to at least partially occlude blood flow in a second artery other than the radial artery, the second artery being connected to the radial artery via collateral arteries downstream of the access site.
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Abstract
A radial closure device has a compression element to place compression force against the radial access site. The invention further comprises an occlusion element that places an occlusion force against the ulnar artery to reduce blood pressure at the arteriotomy site and increase blood flow in the radial artery thereby reducing radial artery occlusion and reducing the time and compression force to achieve hemostasis. A radial restriction element can also be placed upstream of the access site to further reduce radial blood pressure at the arteriotomy site.
36 Citations
17 Claims
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1. A radial artery closure device for providing hemostasis to a radial artery access site, said closure device comprising;
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A. a first support plate having a compression surface attached thereto, said compression surface being attached to a compression element that supplies a compressive force to said compression surface to compress the radial artery access site without totally occluding blood flow in the radial artery, said compressive surface providing hemostasis at the radial access site, B. A holding strap to hold said first support plate such that said compression surface is adjacent the radial artery access site, C. a second surface attached to a second support plate, said second surface being attached to a second element that supplies a second force to said second surface to at least partially occlude blood flow in a second artery other than the radial artery, the second artery being connected to the radial artery via collateral arteries downstream of the access site. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. The method of use for a radial artery closure device used to control hemostasis at a radial artery access site comprising the steps,
A. placing a support plate across the anterior surface of the forearm at the location of the radial access site, B. applying an occlusion force to an occlusion element to force an occlusion surface to at least partially occlude the ulnar artery, C. applying a compression force to a compression element to provide hemostasis at a radial artery access site.
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17. A hemostasis device for providing hemostasis at an access site in a first artery that provides blood flow to a distal region of the body, the distal region having a second artery providing blood flow thereto, the first and second arteries having collateral blood vessels connecting the first and second arteries together downstream of the access site, said device comprising;
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A. A compression element configured to compress and not totally occlude the first artery and provide hemostasis at the access site, B. An occlusion element configured to occlude blood flow in the second artery, C. Said compression element providing an adjustable compression force onto the first artery to provide hemostasis at the access site, and said occlusion element providing an adjustable compression force onto the second artery to improve hemostasis at the access site.
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Specification