Electrically-charged nerve guidance channels

Details Electrically-charged nerve guidance channels Electrically-charged nerve guidance channels

1990-11-30

1992-03-03

Pellegrino, Stephen C.

Surgery

Instruments

Surgical mesh, connector, clip, clamp or band

623 12, A61B 1100, A61F 204

Patent

active

050928716

ABSTRACT:
A medical device is disclosed for use in regenerating a severed nerve, including a tubular, biocompatible, electrically-charged membrane or guidance channel, having openings adapted to receive the ends of the severed nerve and defining a lumen through which the nerve can regenerate. The electrically-charged membrane can further include a polymeric electret material that is electrically poled. A method for repairing a severed nerve is also disclosed and includes placing severed nerve ends in proximity to each other within the lumen of the guidance channel of the present invention and securing the nerve ends to the device.

REFERENCES:
patent: 3925339 (1975-12-01), Ishii et al.
patent: 3968790 (1976-07-01), Fukada et al.
patent: 4268653 (1981-05-01), Uchidoi et al.
patent: 4668449 (1987-05-01), Soni et al.
Fukada in Mechanisms of Growth Control, "Piezoelectricity of Bone and Osteogenesis by Piezoelectric Films", R. O. Becker, C. C. Thomas (eds.), Springfield, Md. (1981) pp. 192-210.
De Rossi et al. (1983) Am. Soc. Artificial Organs 5:1-11.

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