Surgery – Instruments – Cutting – puncturing or piercing
Patent
1991-05-31
1992-09-15
Hindenburg, Max
Surgery
Instruments
Cutting, puncturing or piercing
A61B 1734
Patent
active
051473755
ABSTRACT:
An extremely safe skin-pricker device in the form of an open-ended tubular shell which carries an open-coil actuator spring which when released by a latchable trigger pushes an actuator shaft to move and cause the pricker needle to travel not only to an intermediate position of relieved stress but also to travel the short distance for the pricking procedure, but then, by the spring's over-travel movement permitted by its open-coil nature, the spring pulls on the shaft to withdraw the needle safely inwardly of a cover-cap which during the pricking is retained on the open end of the shell.
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patent: 4203446 (1980-05-01), Hofert et al.
patent: 4379456 (1983-04-01), Cornell et al.
patent: 4416279 (1983-11-01), Lindner et al.
patent: 4469110 (1984-09-01), Slama
patent: 4817603 (1989-04-01), Turner et al.
Dein Lara
Engelking Scott T.
Sullivan Ann
Hindenburg Max
Spray Robert A.
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