Retractable finger lancet

Details Retractable finger lancet Retractable finger lancet

1988-02-09

1990-01-09

Thaler, Michael H.

Surgery

Instruments

Cutting, puncturing or piercing

128329R, A61B 1732

Patent

active

048920975

ABSTRACT:
A two-piece, single-use, disposable lancet assembly includes a housing containing a lancet formed from a spring wire integrally formed with a sharpened, skin-piercing probe end section. The spring lancet is mounted within the housing and is secured in a retracted, pre-tensioned or cocked position. A lever-like bar hingedly secured to the housing serves both as a closure for the access opening in the housing and as a lever for dislodging and for releasing the tensioned spring wire to actuate the skin-piercing probe to pulse functionally through a base port in the housing and then automatically to retract irretrievably into the housing.

REFERENCES:
patent: 3903887 (1975-09-01), Antoshkiw
patent: 4078552 (1978-03-01), Chen et al.
patent: 4139011 (1979-02-01), Benoit et al.
patent: 4358539 (1982-11-01), Bittings
patent: 4379456 (1983-04-01), Cornell et al.
patent: 4414975 (1983-11-01), Ryder et al.
patent: 4455510 (1984-05-01), Rigby
patent: 4539988 (1985-09-01), Shirley et al.
patent: 4735203 (1988-04-01), Ryder et al.

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