Apparatus for taking blood samples

Details Apparatus for taking blood samples Apparatus for taking blood samples

1994-06-01

1996-08-13

Hindenburg, Max

Surgery

Instruments

Cutting, puncturing or piercing

A61B 514

Patent

active

055451730

ABSTRACT:
The disclosed apparatus comprises an elongate lancet portion and an elongate sleeve portion for receiving and axially guiding the lancet portion. The lancet portion has a knob section on one end thereof and protruding lancet cutting edge section on the other end thereof. The lancet portion is held in the sleeve portion via a preset breaking point. In a first operational position the protruding lancet cutting edge section is entirely enclosed within the sleeve portion. Upon exertion of a predetermined amount of axial force between the lancet portion and the sleeve portion the preset breaking point is broken and a transition occurs in the relative position between the lancet portion and the sleeve portion to make the lancet cutting edge section protrude from the sleeve portion, thus cutting into a patient's skin and causing blood to exit therefrom.

REFERENCES:
patent: 4676244 (1987-06-01), Enstrom
patent: 4712548 (1987-12-01), Enstrom
patent: 4738261 (1988-04-01), Enstrom

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