System for anchoring medical devices
First Claim
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1. An anchor device for securing the position of a catheter, comprising:
- means for releasably retaining a portion of a catheter external to a skin penetration point; and
first and second means for subcutaneously anchoring in a subcutaneous region to secure said catheter retaining means relative to a skin penetration point, wherein the first and second anchoring means are fixedly mounted to said catheter retaining means and extend distally from a distalmost end of said catheter retaining means,wherein said catheter retaining means includes a means for gripping an exterior surface of the catheter when said catheter retaining means releasably retains the portion of the catheter, the gripping means extending generally parallel to a longitudinal axis of said catheter retaining means and having a non-circular cross-sectional shape in a plane generally perpendicular to the longitudinal axis;
wherein at least a portion of said catheter retaining means is foldable between a folded condition and a non-folded condition about a predefined fold axis extending generally parallel to the longitudinal axis, and the first and second anchoring means are fixedly mounted to the foldable portion of said catheter retaining means so that the first and second anchoring means move between the folded condition and the non-folded condition.
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Abstract
Some embodiments of a medical device anchor system include an anchor device that receives a catheter (or other medical instrument) and secures the catheter in place relative to a skin penetration point. In some embodiments, the anchor device can secure the catheter in an operative position relative to the skin without the use of sutures or skin tapes. In particular embodiments, the anchor device can be adjusted to a folded condition so that subcutaneous anchors are partially rotated prior to removal from the skin penetration point.
100 Citations
20 Claims
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1. An anchor device for securing the position of a catheter, comprising:
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means for releasably retaining a portion of a catheter external to a skin penetration point; and first and second means for subcutaneously anchoring in a subcutaneous region to secure said catheter retaining means relative to a skin penetration point, wherein the first and second anchoring means are fixedly mounted to said catheter retaining means and extend distally from a distalmost end of said catheter retaining means, wherein said catheter retaining means includes a means for gripping an exterior surface of the catheter when said catheter retaining means releasably retains the portion of the catheter, the gripping means extending generally parallel to a longitudinal axis of said catheter retaining means and having a non-circular cross-sectional shape in a plane generally perpendicular to the longitudinal axis; wherein at least a portion of said catheter retaining means is foldable between a folded condition and a non-folded condition about a predefined fold axis extending generally parallel to the longitudinal axis, and the first and second anchoring means are fixedly mounted to the foldable portion of said catheter retaining means so that the first and second anchoring means move between the folded condition and the non-folded condition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An anchor device for securing the position of a catheter, comprising:
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means for releasably retaining a portion of a catheter external to a skin penetration point; and first and second means for subcutaneously anchoring in a subcutaneous region to secure said catheter retaining means relative to a skin penetration point, wherein the first and second anchoring means are fixedly mounted to said catheter retaining means and extend distally from a distalmost end of said catheter retaining means, wherein said catheter retaining means includes a means for gripping an exterior surface of the catheter when said catheter retaining means releasably retains the portion of the catheter, the gripping means extending generally parallel to a longitudinal axis of said catheter retaining means and having a non-circular cross-sectional shape in a plane generally perpendicular to the longitudinal axis; wherein at least a portion of said catheter retaining means is foldable about a predefined fold axis extending generally parallel to the longitudinal axis, and wherein the first and second anchoring means comprise first and second flexible tines, respectively, which are arranged in a generally side-by-side position when said portion of said catheter retaining means is in a folded condition, and wherein the flexible tines of the first and second anchoring means extend generally away from one another when said portion of said catheter retaining means is in a non-folded condition. - View Dependent Claims (13)
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14. An anchor device for securing the position of a catheter, comprising:
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means for releasably retaining a portion of a catheter external to a skin penetration point; and first and second means for subcutaneously anchoring in a subcutaneous region to secure said catheter retaining means relative to a skin penetration point, wherein the first and second anchoring means are fixedly mounted to said catheter retaining means and extend distally from a distalmost end of said catheter retaining means, wherein a distal portion of each of the first and second anchoring means comprises a flexible tine that is deployable in the subcutaneous region and that extends substantially straight to a respective free end having a rounded tine tip; wherein said catheter retaining means includes a means for gripping an exterior surface of the catheter when said catheter retaining means releasably retains the portion of the catheter, the gripping means extending generally parallel to a longitudinal axis of said catheter retaining means; and wherein at least a portion of said catheter retaining means is foldable between a folded condition and a non-folded condition about a predefined fold axis extending generally parallel to the longitudinal axis, and the first and second anchoring means are fixedly mounted to the foldable portion of said catheter retaining means so that the first and second anchoring means move between the folded condition and the non-folded condition. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification