ANCHOR INSTRUMENTATION AND METHODS
First Claim
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1. An anchor sleeve device, comprising:
- an elongate body that defines at least one working channel extending from a proximal opening to a distal tip opening so as to receive a catheter;
a subcutaneous anchor mechanism coupled to the elongate body, the subcutaneous anchor mechanism having one or more flexible anchors that extend outwardly away from a wall of the elongate body when in a deployed orientation in a subcutaneous layer;
a first actuator that is adjustable relative to the elongate body so as to shift the flexible anchors to the deployed orientation;
a locking device that releasably engages to the catheter when the catheter is received in the working channel; and
a second actuator that is adjustable relative to the elongate body so as to urge the locking device to compress at least a portion of an outer surface of the catheter when the catheter is received in the working channel.
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Abstract
Some embodiments of a medical device anchor system include an anchor sleeve that receives a catheter (or other medical instrument) though a working channel of the anchor sleeve. The anchor sleeve may include a first actuator that controls the extension of one or more subcutaneous tines into the subcutaneous region under the skin. The anchor sleeve can also include a second actuator that can cause the anchor sleeve to lock onto an outer portion of the catheter (or other medical instrument) arrange in the working channel.
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Citations
20 Claims
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1. An anchor sleeve device, comprising:
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an elongate body that defines at least one working channel extending from a proximal opening to a distal tip opening so as to receive a catheter; a subcutaneous anchor mechanism coupled to the elongate body, the subcutaneous anchor mechanism having one or more flexible anchors that extend outwardly away from a wall of the elongate body when in a deployed orientation in a subcutaneous layer; a first actuator that is adjustable relative to the elongate body so as to shift the flexible anchors to the deployed orientation; a locking device that releasably engages to the catheter when the catheter is received in the working channel; and a second actuator that is adjustable relative to the elongate body so as to urge the locking device to compress at least a portion of an outer surface of the catheter when the catheter is received in the working channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of delivering a catheter device to an internal body site, comprising:
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advancing an anchor sleeve through a percutaneous opening so that one or more subcutaneous anchor tines are disposed adjacent to a subcutaneous region; advancing a catheter device though a working channel of the anchor sleeve and toward a targeted body site, the catheter device defining at least one lumen that extends to a catheter tip; operating a first actuator to deploy the subcutaneous anchor tines into the subcutaneous region; and operating a second actuator to urge a locking device releasably lock with the catheter when the catheter is received in the working channel. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification