Retention bolster for percutaneous catheters
First Claim
1. A retention bolster for retaining a tubular medical device against the epidermal surface at the exit site of the device from the body of a patient, said bolster comprising:
- a main body having a convexly curved exterior surface portion for contacting the epidermal surface and an upstanding cylindrical portion extending therefrom; and
means for securely attaching said main body to the tubular medical device including a longitudinal bore adapted for slidably receiving the tubular medical device therethroug, said longitudinal bore extending through said curved exterior portion and said upstanding cylindrical portion of said main body; and
means for clamping the tubular medical device within said longitudinal bore; and
wherein said main body is attachable to the tubular medical device with said convexly curved exterior portion in contact with the epidermal surface, and wherein said main body is rockable along contacting portions between said convexly curved exterior portion and the epidermal surface in response to movement of the tubular medical device about the exit site.
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Accused Products
Abstract
A retention bolster for a percutaneous catheter is disclosed having a convexly curved exterior surface which contacts the epidermal surface of a patient. The retention bolster slides over a catheter until contacting the skin of the patient at the catheter exit site. When secured in place, the retention bolster rocks along contacting portions between its convexly curved surface and the epidermal surface of the patient in response to movement of the catheter about the exit site, thereby alleviating the added pressure that would otherwise be applied by this movement. Upon the release of lateral pressure against the catheter device, the bolster returns to its original upright position. In a second disclosed embodiment, a flange is provided which extends from the main body of the bolster which defines a bore that is also sized for slidably receiving and supporting the catheter, and which provides for angled attachment of the catheter relative to its exit site.
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Citations
14 Claims
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1. A retention bolster for retaining a tubular medical device against the epidermal surface at the exit site of the device from the body of a patient, said bolster comprising:
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a main body having a convexly curved exterior surface portion for contacting the epidermal surface and an upstanding cylindrical portion extending therefrom; and means for securely attaching said main body to the tubular medical device including a longitudinal bore adapted for slidably receiving the tubular medical device therethroug, said longitudinal bore extending through said curved exterior portion and said upstanding cylindrical portion of said main body; and
means for clamping the tubular medical device within said longitudinal bore; andwherein said main body is attachable to the tubular medical device with said convexly curved exterior portion in contact with the epidermal surface, and wherein said main body is rockable along contacting portions between said convexly curved exterior portion and the epidermal surface in response to movement of the tubular medical device about the exit site. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A retention bolster for retaining a catheter against the epidermal surface at the exit site of the catheter from the body of a patient, said bolster comprising:
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a main body having a convexly curved exterior portion for contacting the epidermal surface; a first bore adapted for slidably receiving the catheter therethrough, said first bore extending through said main body and said convexly curved exterior portion; a flange attached to said main body; and a second bore extending through said flange and adapted for slidably receiving the catheter therethrough; and wherein the catheter is slidably receivable through said first and second bores, the catheter bending between said first and second bores, and wherein said main body is attachable to the catheter with said convexly curved exterior portion in contact with the epidermal surface, and wherein said main body is rockable along contacting portions between said curved exterior portion and the epidermal surface in response to movement of the catheter about the exit site. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification