Vacuum assisted lancing device

Details Vacuum assisted lancing device Vacuum assisted lancing device

1999-06-14

2000-11-28

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

606182, A61B 1714, A61B 1732

Patent

active

061529427

ABSTRACT:
A vacuum assisted lancing device (10) for obtaining capillary blood from body sites includes a plunger (12) mounted in a barrel or upper housing (24) that upon being pressed by a user, drives a lancet (18) to puncture skin at a body site. A vacuum member such as a diaphragm (38, 66) or bellows (66) is displaced by the plunger (12) and displaces air in the lancing device (10) to create a vacuum. The vacuum draws skin partially into the lancing device (10) causing blood to form at the puncture. The vacuum is then released and the blood is tested.

REFERENCES:
patent: 5195534 (1993-03-01), Sarrine
patent: 5350392 (1994-09-01), Purcell et al.
patent: 5368047 (1994-11-01), Suzuki et al.
patent: 5873887 (1999-02-01), King et al.

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