Percutaneous access device and method for implanting same
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United States of America Patent
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Jan 6, 1987
Grant Date -
N/A
app pub date -
May 31, 1984
filing date -
May 31, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A percutaneous access device (PAD) is provided with a sleeve or separable member which may be detached from the device to enable the culturing of a multilayer fibroblast coating on the member in a stable and undisturbed environment. The member is constructed so that when it is assembled into the device and the device is implanted in a patient, the cultured coating of the member is exposed to the patient's dermis whose fibroblasts will, after a relatively short healing period, merge with the fibroblasts of the coating to form a barrier layer interlocked with the member to prevent epidermal ingrowth or marsupialization of the implanted device. Implantation techniques for further facilitating the formation of the dermal barrier are also disclosed.
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