System for anchoring medical devices
First Claim
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1. An anchor device for securing the position of a catheter, comprising:
- a retainer body to releasably couple to a catheter, the retainer body including a first body portion that is pivotably coupled to a second body portion; and
first and second anchors that extend distally of a distalmost face of the retainer body, each anchor comprising a flexible tine that is deployable in a subcutaneous region to secure the retainer body relative to a penetration point, the first anchor being coupled to the first body portion and the second anchor being coupled to the second body portion,wherein the first body portion of the retainer body is pivotable relative to the second body portion while the first and second body portions remain physically coupled to one another so that the first and second anchors are adjustable from a deployed configuration in which the flexible tines extend generally away from one another to a removal configuration in which the flexible tines extend generally in the same direction.
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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.
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Citations
50 Claims
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1. An anchor device for securing the position of a catheter, comprising:
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a retainer body to releasably couple to a catheter, the retainer body including a first body portion that is pivotably coupled to a second body portion; and first and second anchors that extend distally of a distalmost face of the retainer body, each anchor comprising a flexible tine that is deployable in a subcutaneous region to secure the retainer body relative to a penetration point, the first anchor being coupled to the first body portion and the second anchor being coupled to the second body portion, wherein the first body portion of the retainer body is pivotable relative to the second body portion while the first and second body portions remain physically coupled to one another so that the first and second anchors are adjustable from a deployed configuration in which the flexible tines extend generally away from one another to a removal configuration in which the flexible tines extend generally in the same direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. An anchor device for securing the position of a catheter, comprising:
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a retainer body to releasably couple to a catheter, the retainer body including a first body portion that is pivotably coupled to a second body portion; a cap that releasably couples with the retainer body so as to define a channel therebetween, wherein the retainer body and the cap each include a gripper member that frictionally engages the catheter in the channel when the retainer body releasably couples to the catheter; and first and second anchors that extend distally from the retainer body, each anchor comprising a flexible tine that is deployable in a subcutaneous region to secure the retainer body relative to a penetration point, the first anchor being coupled to the first body portion and the second anchor being coupled to the second body portion, wherein the first body portion of the retainer body is pivotable relative to the second body portion while the first and second body portions remain physically coupled to one another so that the first and second anchors are adjustable from a deployed configuration in which the flexible tines extend generally away from one another to a removal configuration in which the flexible tines extend generally in the same direction. - View Dependent Claims (22, 23, 24, 25)
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26. An anchor device for securing the position of a catheter, comprising:
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a retainer body to releasably couple to a catheter, the retainer body including a first body portion that is pivotably coupled to a second body portion; and first and second anchors that extend distally from the retainer body, each anchor comprising a flexible tine that is deployable in a subcutaneous region to secure the retainer body relative to a penetration point, the first anchor being coupled to the first body portion and the second anchor being coupled to the second body portion, wherein the first body portion of the retainer body is pivotable relative to the second body portion while the first and second body portions remain physically coupled to one another so that the first and second anchors are adjustable from a deployed configuration in which the flexible tines extend generally away from one another to a removal configuration in which the flexible tines extend generally in the same direction, wherein the flexible tines of the first and second anchors are rotated about 75-degrees to about 105-degrees when the first and second anchors are adjusted from the deployed configuration to the removal configuration. - View Dependent Claims (27, 28, 29, 30)
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31. An anchor device for securing the position of a catheter, comprising:
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a retainer body to releasably couple to a catheter, the retainer body including a first body portion that is pivotably coupled to a second body portion; and first and second anchors that extend distally of a distalmost face of the retainer body, each anchor comprising a flexible tine that is deployable in a subcutaneous region to secure the retainer body relative to a penetration point, the first anchor being coupled to the first body portion and the second anchor being coupled to the second body portion, wherein each of the first and second anchors comprises a metallic material that exhibits superelasticity when used in a human body, wherein the first body portion of the retainer body is pivotable relative to the second body portion while the first and second body portions remain physically coupled to one another so that the first and second anchors are adjustable from a deployed configuration in which the flexible tines extend generally away from one another to a removal configuration in which the flexible tines extend generally in the same direction. - View Dependent Claims (32, 33, 34, 35)
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36. An anchor device for securing the position of a catheter, comprising:
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a retainer body to releasably couple to a catheter, the retainer body including a first body portion that is pivotably coupled to a second body portion; and first and second anchors that extend distally of a distalmost face of the retainer body, each anchor comprising a flexible tine that is deployable in a subcutaneous region to secure the retainer body relative to a penetration point, the first anchor being coupled to the first body portion and the second anchor being coupled to the second body portion, wherein the flexible tines of the first and second anchors comprise a flexible polymer material so that the tines flex against respective shafts of the first and second anchors during insertion without the use of a delivery tool, wherein the first body portion of the retainer body is pivotable relative to the second body portion while the first and second body portions remain physically coupled to one another so that the first and second anchors are adjustable from a deployed configuration in which the flexible tines extend generally away from one another to a removal configuration in which the flexible tines extend generally in the same direction. - View Dependent Claims (37, 38, 39, 40)
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41. An anchor device for securing the position of a catheter, comprising:
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a retainer body to releasably couple to a catheter, the retainer body including a first body portion that is pivotably coupled to a second body portion; and first and second anchors that extend distally of a distalmost face of the retainer body, each anchor comprising a flexible tine that is deployable in a subcutaneous region to secure the retainer body relative to a penetration point, the first anchor being coupled to the first body portion and the second anchor being coupled to the second body portion, wherein the first body portion of the retainer body is pivotable relative to the second body portion while the first and second body portions remain physically coupled to one another so that the first and second anchors are adjustable from a deployed configuration in which the flexible tines extend generally away from one another to a removal configuration in which the flexible tines extend generally in the same direction, wherein the first body portion and the second body portion of the retainer body are pivotable relative to one another along a longitudinal folding region that extends for a full longitudinal length of the retainer body, wherein the retainer body comprises a flexible polymer material along the longitudinal folding region of the retainer body. - View Dependent Claims (42, 43, 44, 45)
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46. An anchor device for securing the position of a catheter, comprising:
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a retainer body to releasably couple to a catheter, the retainer body including a first body portion that is pivotably coupled to a second body portion; and first and second anchors that extend distally from the retainer body, each anchor comprising a flexible tine that is deployable in a subcutaneous region to secure the retainer body relative to a penetration point, the first anchor being coupled to the first body portion and the second anchor being coupled to the second body portion, wherein the first body portion of the retainer body is pivotable relative to the second body portion while the first and second body portions remain physically coupled to one another so that the first and second anchors are adjustable from a deployed configuration in which the flexible tines extend generally away from one another to a removal configuration in which the flexible tines extend generally in the same direction, wherein the first body portion and the second body portion of the retainer body are pivotable relative to one another along a longitudinal folding region that extends for a full longitudinal length of the retainer body, wherein the longitudinal folding region of the retainer body is positioned adjacent to and generally parallel to a longitudinal channel sized to receive the catheter when the retainer body releasably couples to the catheter, wherein the retainer body comprises a first tab and a second tab to releasably mate with a cap assembly, the first tab being coupled to the first body portion on a first side of the longitudinal folding region of the retainer body, and the second tab being coupled to the second body portion on a second, opposite side of the longitudinal folding region of the retainer body. - View Dependent Claims (47, 48, 49, 50)
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Specification