Surgery – Means for introducing or removing material from body for... – Material introduced into and removed from body through...
Patent
1984-05-31
1987-01-06
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Material introduced into and removed from body through...
604175, 623 66, 435241, A61M 3100, A61M 532, C12N 502
Patent
active
046344225
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.
REFERENCES:
patent: 3700380 (1972-10-01), Kitrilakis
patent: 3826241 (1974-07-01), Bucalo
patent: 3906549 (1975-09-01), Bucalo
patent: 4004298 (1977-01-01), Freed
patent: 4154652 (1979-05-01), Sawamura et al.
patent: 4217889 (1980-08-01), Radovan et al.
patent: 4254226 (1981-03-01), Elsinger et al.
Molecular Biology of the Cell, Alberts et al., 1983, p. 693.
"Development of a Percutaneous Energy Transmission System" by Kantrowitz et al., May, 1982.
Bernstein Isadore A.
Freed Paul S.
Gray Robert H.
Kantrowitz Adrian
Vaughan Frizell L.
Kartchner Gene B.
Rosenbaum C. Fred
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