Method and apparatus of sampling suction effusion fluid

Details Method and apparatus of sampling suction effusion fluid Method and apparatus of sampling suction effusion fluid

1997-09-19

1999-03-16

Hindenburg, Max

Surgery

Diagnostic testing

Liquid collection

606167, A61B 500

Patent

active

058823174

ABSTRACT:
A method of sampling a suction effusion fluid is provided, which is convenient and highly efficient and which leaves no marks on the skin. First, (a) A suction cell with a cup-shaped hollow body is prepared. The body has an inner space, an aperture connected to the inner space, and a suction port connected to the inner space. The aperture is applied to a skin of a living organism. The inner space of the body is evacuated through the suction port. Next, (b) Bores are formed in a horny layer of the skin of the living organism. The bores has a depth that penetrates the horny layer and do not reach a capillary tube in the skin. Further, (c) The suction cell is held so that the aperture of the cell is opposed to the skin. The cell covers the bores formed in the horny layer and is tightly contacted with the skin. Finally, (d) The inner space of the suction cell is evacuated in such a way that the skin is bulged and the bores are expanded. Thus, the suction effusion fluid is sampled from the skin of the living organism through the suction cell.

REFERENCES:
patent: 4619256 (1986-10-01), Graybill et al.
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patent: 5582184 (1996-12-01), Erickson et al.
patent: 5746217 (1998-05-01), Erickson et al.
patent: 5762640 (1998-06-01), Kajiwara et al.
S. Murakami, et al., "A Study of Glucose Concentration Response in Suction Effusion Fluid Against Blood Glucose", the 35th Japan Soc. ME & BE Conference, May 1996, p. 474.

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