Temporary retention device
First Claim
Patent Images
1. A device for subcutaneously anchoring a removably coupled catheter device within a patient, comprising:
- a catheter retainer body including a catheter-receiving channel extending to a distal opening, and a deployable anchor section that is spaced apart from the catheter-receiving channel and that includes a curved anchor tine extending from a longitudinally straight rod portion attached to the catheter retainer body, wherein when the removably coupled catheter device is positioned through a skin puncture, the deployable anchor section is positioned through the same skin puncture to deploy the curved anchor tine subcutaneously along an underside of a skin layer in a controllable manner by flexibly adjusting the curved anchor tine so that a free end of the curved anchor tine is adapted to engage tissue along the underside of the skin layer, wherein a longitudinal length of the curved anchor tine extends outwardly away from the longitudinally straight rod portion with a longitudinal convex curvature extending toward the free end of the curved anchor tine such that the longitudinal convex curvature faces proximally toward catheter retainer body.
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Abstract
A retention device for anchoring indwelling catheters, sheath introducers, feeding tubes, ostomy bags or other medical devices beneath the skin of a patient includes an deployable section coupled to a medical device; following introduction into a patient, the deployable section is subcutaneously deployed, securely anchoring the device and coupled medical device for the duration of treatment.
115 Citations
38 Claims
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1. A device for subcutaneously anchoring a removably coupled catheter device within a patient, comprising:
- a catheter retainer body including a catheter-receiving channel extending to a distal opening, and a deployable anchor section that is spaced apart from the catheter-receiving channel and that includes a curved anchor tine extending from a longitudinally straight rod portion attached to the catheter retainer body, wherein when the removably coupled catheter device is positioned through a skin puncture, the deployable anchor section is positioned through the same skin puncture to deploy the curved anchor tine subcutaneously along an underside of a skin layer in a controllable manner by flexibly adjusting the curved anchor tine so that a free end of the curved anchor tine is adapted to engage tissue along the underside of the skin layer, wherein a longitudinal length of the curved anchor tine extends outwardly away from the longitudinally straight rod portion with a longitudinal convex curvature extending toward the free end of the curved anchor tine such that the longitudinal convex curvature faces proximally toward catheter retainer body.
- View Dependent Claims (2, 3, 4, 5)
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6. A device for subcutaneously anchoring a coupled medical device within a patient, comprising:
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a. a retainer body including a channel extending to a distal facing opening and being configured to releasable engage with an outer surface of a medical device; and b. an anchor mechanism contacting the retainer body and being spaced apart from the channel extending to the distal facing opening of the retainer body, the anchor mechanism including a curved anchor extension that extends outwardly from a rod to a free end terminating at a dull or rounded tip, at least a portion of the extension is capable of flexibly adjusting from a first position to a subcutaneously deployed position so that the free end of the curved anchor extension is adapted to engage tissue along an underside of a skin layer, whereby deployment of the curved anchor extension of the anchor mechanism to the subcutaneously deployed position results in a longitudinal length of the curved anchor extension extending outwardly away from the rod such that a longitudinal convex curvature extends toward the free end of the extension and faces proximally toward the retainer body. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A device for subcutaneously anchoring a coupled medical device within a patient, comprising:
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an elongate body at least partially defining an internal chamber that is in communication with one or more deployment ports defined along an exterior of the elongate body, the elongate body including a channel extending to a distally oriented opening and configured to releasably engage an outer surface of a medical device; and an anchor mechanism at least partially arranged in the internal chamber defined by the elongate body such that the anchor mechanism is isolated from the channel of the elongate body, the anchor mechanism comprising a pair of subcutaneous tines that are biased to extend outwardly away from one another and that are flexibly adjustable from a non-deployed position to a deployed position in which the pair of subcutaneous tines extend from the one or more deployment ports and outwardly away from one another in a subcutaneous region, wherein the elongate body is positioned relative to the anchor mechanism such that longitudinal actuation of the anchor mechanism causes the pair of subcutaneous tines to simultaneously move to the deployed position in the subcutaneous region under a skin layer when the elongate body is arranged adjacent to a skin puncture in the skin layer. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A device for subcutaneously anchoring a coupled medical device within a patient, comprising:
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an elongate body at least partially defining an internal chamber that is in communication with one or more deployment ports defined along an exterior of the elongate body, the elongate body including a channel extending to a distally oriented opening and configured to releasable engage an outer surface of a medical device; and an anchor mechanism at least partially arranged in the internal chamber such that the anchor mechanism is isolated from the channel of the elongate body, the anchor mechanism comprising one or more subcutaneous tines that are movable from a non-deployed position to a deployed position in which the one or more tines extend from the one or more deployment ports defined along an exterior of the elongate body, wherein the one or more subcutaneous tines move to the deployed position in the subcutaneous region under the skin layer in response to user actuation of the anchor mechanism when the one or more deployment ports are arranged in the subcutaneous region; wherein each of the one or more subcutaneous tines has a longitudinal length at least partially defines an arc shape when moved to the deployed position; and wherein the arc shape of the subcutaneous tine comprises a longitudinal convex curvature that faces toward the underside of the skin when the subcutaneous tine is moved to the deployed position. - View Dependent Claims (33, 34, 35, 36, 37, 38)
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Specification