Disposable, retractable lancet

Details Disposable, retractable lancet Disposable, retractable lancet

1994-05-25

1996-06-18

Pellegrino, Stephen C.

Surgery

Instruments

Cutting, puncturing or piercing

128770, A61B 1732

Patent

active

055273343

ABSTRACT:
An actuator mechanism and assembly for sequentially advancing and retracting a lancet needle includes a housing having an opening for operating projection of the needle. Two guide tracks are provided within the housing for guiding separate motions of a two-part needle holder structure propelled by a drive spring, and the needle itself is smoothly guided along one of the tracks to advance and thrust the needle into a tissue penetration position immediately followed by automatic retraction along the same highly accurate linear path.

REFERENCES:
patent: 4643189 (1987-02-01), Mintz
patent: 5196025 (1993-03-01), Ranalletta et al.
patent: 5314441 (1994-05-01), Cusack et al.

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