Process and device for determining parameters of interest in liv

Details Process and device for determining parameters of interest in liv Process and device for determining parameters of interest in liv

Filed on

1991-11-19

Date issued

1993-08-24

Examiner

Pellegrino, Stephen C.

Patent Class

Surgery

SubClass

Truss

SubSubClass

Pad

Other Related Categories

128637, 604 50, H61B 500

Type

Patent

Status

active

Patent number

052379930

Description

ABSTRACT:
In order to determine at least one parameter of interest in a living organism, a perfusion is directly introduced in the tissues. After its partial balancing by the tissue parameter of interest, the perfusion fluid is collected and analyzed for the parameter of interest, as well as for endogenous or exogenous marker properties indicative of the degree of interaction between the perfusion fluid and the tissue, in such a way that the parameters of interest can be determined with the help of such characteristic properties. Contrary to usual processes, used exclusively inside blood vessels or other body cavities filled with liquid, this process creates in the tissues, i.e. in the closed cellular structure, a previously inexistent cavity, in which the perfusion fluid introduced in the tissue interacts directly with the organic tissue, with no intervening membranes. The transfer of the measurement site into the tissue completely eliminates the risk of the thromboses and embolies, besides strongly reducing the risk of infection.

REFERENCES:
patent: 4221567 (1980-09-01), Clark et al.
patent: 4240438 (1980-12-01), Updike et al.
patent: 4253456 (1981-03-01), Schindler et al.
patent: 4516580 (1985-05-01), Polangi
patent: 4632119 (1986-12-01), Reichstein
patent: 4633878 (1987-01-01), Bombardieri
patent: 4761371 (1988-08-01), Bell et al.
patent: 4774955 (1988-10-01), Jones
patent: 5106365 (1992-04-01), Hernandez

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