Surgery – Instruments – Cutting – puncturing or piercing
Patent
1994-06-16
1996-09-10
Jackson, Gary
Surgery
Instruments
Cutting, puncturing or piercing
128770, A61B 1732
Patent
active
055541666
ABSTRACT:
Blood lancet device (1) for withdrawing blood from a patient for diagnostic purposes comprises a housing (10), a lancet holder (11) movable within the housing (10) for retaining a non-rotatable lancet (4) having a plastic lancet body (31), a lancet needle (33) fixed in the lancet body (31), a lancet drive (12) to move the lancet holder in a puncturing and retraction direction, an exchangeable skin-contact part (5) having an outlet opening (6) for the lancet (4) and a contact surface (42) for pressing against a patient's skin. The skin-contact part (5) and lancet (4) form a unitary disposable item (3) which is intended for once-only use and is intended to be inserted at an anterior end (2) of the housing (10) in a single operation only as a unit with the skin-contact part (5) The skin-contact part (5) and the lancet body (31) are connected to one another through a first predetermined breaking section (52) to permit the skin-contact part (5) and the lance body (31) to be separable from one another following insertion of the disposable item (3). A second breaking section connects a protective needle cap to the lancet body and both breaking sections are severed by twisting of the protective cap.
REFERENCES:
patent: 3358689 (1967-12-01), Higgins
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patent: 4895147 (1990-01-01), Bodicky et al.
patent: 5074872 (1991-12-01), Brown et al.
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patent: 5196025 (1993-03-01), Ranalletta et al.
patent: 5282822 (1994-01-01), Macors et al.
"Contamination Of A Finger-Stick Device" and Response by Shier et al. and Bohero, New England Journal of Medicine Apr. 1, 1993 pp. 969-970.
Argauer Herbert
Lange Hans
Boehringer Mannheim GmbH
Jackson Gary
Lewis William W.
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