Needle, for example epidural needle

Details Needle, for example epidural needle Needle, for example epidural needle

1994-04-15

1996-01-16

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604239, A61M 532, A61M 531, A61M 500

Patent

active

054844231

ABSTRACT:
The invention refers to a needle (10, 30), such as an epidural needle, whose needle body (14, 28) is structured in its outer surface, at least in sections, so that a resistance which inhibits advance is produced when penetrating through a tissue (22).

REFERENCES:
patent: 3540447 (1970-11-01), Howe
patent: 4002174 (1977-01-01), Reed et al.
patent: 4335718 (1982-06-01), Calabrese
patent: 4490139 (1984-12-01), Huizenga et al.
patent: 4735612 (1988-04-01), Chevalier
patent: 4781691 (1988-11-01), Gross
patent: 4861341 (1989-08-01), Woodburn
patent: 4869259 (1989-09-01), Elkins
patent: 5364373 (1994-11-01), Waskonig et al.

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