Single unit lancet device

Details Single unit lancet device Single unit lancet device

1993-11-15

1995-03-07

Lewis, Ralph A.

Surgery

Instruments

Cutting, puncturing or piercing

606181, A61B 1732

Patent

active

053953886

ABSTRACT:
A single use disposable lancet device including a housing wherein a spring is contained, the spring including a first end fixed within the housing and having a movable second end zone with a pointed blade or terminal end, the second end zone being movable relative to a normal position with the pointed terminal end contained within the housing and adjacent a first opening in the housing, between a cocked position completely within the housing and with energy stored in the spring, and a piercing position with the second end zone in the first opening and the pointed terminal end momentarily exterior of the housing. The housing further including a lever arm including a holding tip to maintain the second end zone in cocked position until pivotally moved by an operator resulting in release of the second end zone such that the second end zone moves to its piercing position, and as soon as it pierces, retracts into the housing.

REFERENCES:
patent: 3760809 (1973-09-01), Campbell, Jr.
patent: 4414975 (1983-11-01), Ryder et al.
patent: 4535769 (1985-08-01), Burns
patent: 4539988 (1985-09-01), Shirley et al.
patent: 4715374 (1987-12-01), Maggio
patent: 4735203 (1988-04-01), Ryder et al.
patent: 4892097 (1990-01-01), Ranalletta et al.
patent: 4983178 (1991-01-01), Schnell

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