Medical biopsy needle

Details Medical biopsy needle Medical biopsy needle

1990-04-26

1992-01-14

Hindenburg, Max

Surgery

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

Treating material introduced into or removed from body...

128754, A61M 532

Patent

active

050806556

ABSTRACT:
An improved medical needle is disclosed which has a bioabsorbable gelatin cutting or puncturing tip formed therein. The gelatin characteristic renders the needle incapable of penetration after initial use. Additionally, the gelatin partially dissolves to leave a coating on the punctured tissue margin which acts to minimize hemorrhaging complications. Hemorrhaging complications are alternatively addressed by a non-bioabsorbable in situ sheath positioned at the punctured tissue site which compresses the tissue.

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