Body fluid sampling device and methods of use

Details Body fluid sampling device and methods of use Body fluid sampling device and methods of use

1998-12-03

2000-05-02

O'Connor, Cary

Surgery

Diagnostic testing

Liquid collection

600573, 606181, A61B 500

Patent

active

060567015

ABSTRACT:
A device for sampling body fluid includes a housing having a sleeve at a forward end thereof which is displaceable in response to being pressed against a user's skin to trigger the firing of a lancet. After the lancet is removed from the incision, the sleeve is repeatedly pressed against the skin to depress a ring of body tissue in surrounding relationship to the incision to express body fluid outwardly through the incision. A pusher member is then actuated to push a capillary tube through a front end of the housing for drawing-in body fluid. The lancet is a disposable lancet which includes a body supporting a skin-lancing member and the capillary tube. The disposable lancet passes through an upper end of a lancet carrier when being installed or removed. The device cannot be armed until the disposable lancet is installed in the housing, because the capillary tube functions to push a safety device to a non-safety position.

REFERENCES:
patent: 5052403 (1991-10-01), Haber et al.
patent: 5070884 (1991-12-01), Columbus et al.
patent: 5366470 (1994-11-01), Ramel
patent: 5662127 (1997-09-01), De Vaughn
patent: 5682233 (1997-10-01), Brinda
patent: 5746217 (1998-05-01), Erickson et al.

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