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Method to stop bleeding, with short hemostasis duration using a low dose of anticoagulant

  • US 10,213,214 B2
  • Filed: 09/21/2018
  • Issued: 02/26/2019
  • Est. Priority Date: 07/12/2013
  • Status: Active Grant
First Claim
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1. A method of reducing a dosage of an anticoagulant when performing a catheterization procedure at an access site of a radial artery, comprising:

  • (a) administering the anticoagulant at a dose less than a conventional dose of an equivalent of 50 units of unfractionated heparin per kg of body weight;

    (b) reducing a contact time of blood at the access site of the radial artery by increasing a velocity of blood in the radial artery, said velocity of blood being increased by increasing a flow of blood in the radial artery, wherein the flow of blood in the radial artery is increased by applying an ulnar pressure on an ipsilateral ulnar artery at an ulnar pressure site by inflating at least a first bladder to compress the ulnar artery fully;

    (c) maintaining the contact time of blood at a reduced level for a period of time during the catheterization procedure;

    (d) applying a radial pressure on the radial artery by inflating at least a second bladder at the access site to stop bleeding at the access site;

    (e) continuing to apply the radial pressure on the radial artery for a duration of time at least until hemostasis of the radial artery is attained;

    (f) continuing to apply the ulnar pressure on the ulnar artery at the ulnar pressure site to compress the ulnar artery fully for a first period of time, wherein the first period of time is either about 15 minutes or about 30 minutes; and

    (g) attaining hemostasis of the radial artery.

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