Process and apparatus for measuring blood flow through an organ or other biological tissue
First Claim
1. A sensing device in combination with a medical technology apparatus, said device comprising:
- a detachable, coded sensor having at least one electrode or measuring head adapted to be placed in the region of a tissue to be studied and including at least one code value;
a measuring instrument included with the medical technology apparatus;
an associated code value detection unit;
means for connecting said detachable, coded sensor to said measuring instrument via at least one coded connecting element, wherein said detachable, coded sensor is detachable from said coded connecting element;
said measuring instrument including means for checking and reading said at least one code value of said coded sensor;
means for performing at least one first measurement of a parameter of the tissue; and
means for storing at least one measured value obtained by said at least one first measurement, together with the at least one associated code value, in memory;
said coded sensor further comprising;
an electrode or measuring head carrier; and
an electrode or measuring head substrate;
wherein said electrode or measuring head carrier is supported by said electrode or measuring head substrate, and wherein said at least one code value is recognizable by said associated code value detection unit.
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Abstract
A process for measuring parameters of organs and tissues, especially blood flow through an organ, particularly the liver, is based on a medical technology apparatus that can be constructed in modular fashion. The preferred process uses the hydrogen clearance method to determine blood flow. The preferred apparatus includes at least one measuring instrument and at least one measuring or therapy sensor that is detachable from that instrument. Additional connecting elements make it possible to construct an individually adapted measurement array. For a monitoring and checking operation, both the sensors or therapy heads, and the various connecting elements are equipped with electronic code elements which can be systematically read and evaluated by at least one of the measuring instruments used.
76 Citations
11 Claims
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1. A sensing device in combination with a medical technology apparatus, said device comprising:
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a detachable, coded sensor having at least one electrode or measuring head adapted to be placed in the region of a tissue to be studied and including at least one code value; a measuring instrument included with the medical technology apparatus; an associated code value detection unit; means for connecting said detachable, coded sensor to said measuring instrument via at least one coded connecting element, wherein said detachable, coded sensor is detachable from said coded connecting element; said measuring instrument including means for checking and reading said at least one code value of said coded sensor; means for performing at least one first measurement of a parameter of the tissue; and means for storing at least one measured value obtained by said at least one first measurement, together with the at least one associated code value, in memory; said coded sensor further comprising; an electrode or measuring head carrier; and an electrode or measuring head substrate; wherein said electrode or measuring head carrier is supported by said electrode or measuring head substrate, and wherein said at least one code value is recognizable by said associated code value detection unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification