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| Number | Title | Issue Date |
| 5114676 | Optical sensor for determining at least one parameter in a liquid or gaseous sample In order to improve the response behavior of an optical sensor for determining at least one parameter in a liquid or gaseous sample, the sensor including a substrate which is provided with carrier particles and a fluorescent indicator immobilized thereon,... | 05/19/1992 |
| 5108932 | Process for the quantitative determination of at least one parameter of a liquid or gaseous sample For the simultaneous measurement of two parameters of a liquid or gaseous sample, in a fluorescence measuring device in which the influence of the aging processes of the indicator substance and the fluctuations in the light intensity of the excitation lig... | 04/28/1992 |
| 5097834 | Process for determining parameters of interest in living organisms In order to determine at least one parameter of interest in a living organism, a perfusion fluid 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 ... | 03/24/1992 |
| 5091800 | Cover layer for optical ion sensors In order to eliminate interferences of an optical or chemical nature, preferably in optical sensors, a cover layer is provided which comprises a hydrophilic, ion-permeable polymer membrane containing precious metal pigments deposited by a reduction or red... | 02/25/1992 |
| 5080865 | One-way measuring element In order to improve a one-way measuring element, which may be inserted into an analyzer for analyzing gaseous or liquid samples and which comprises a measuring channel with a measuring zone and one or more sensors located therein, the proposal is put forw... | 01/14/1992 |
| 5074157 | Analyzing apparatus An analyzing apparatus primarily designed for the analysis of body fluids, includes a feeding device, a measuring unit formed by a string of measuring cells linked by a channel, and a waste disposal unit for removal of the samples analyzed. Such an analyz... | 12/24/1991 |
| 5066283 | Device for the withdrawal and storage of individual fluid fractions lathered at given intervals A device for withdrawing body fluids such as blood, urine and tissue fluid includes a withdrawal unit, a suction unit, and a storage system receiving the body fluid between the withdrawal unit and the suction unit, the storage system being divided into se... | 11/19/1991 |
| 5039490 | Sensor element for determination of concentration of substances Due to the size of the devices used for the excitation and measuring of light, conventional sensor elements for optically determining the concentrations of substances contained in gaseous and liquid samples, featuring an indicator layer with one or more i... | 08/13/1991 |
| 5032361 | Feeding device for introducing liquid or gaseous samples A feeding device with a feeder element for liquid or gaseous samples includes an automatic sample exchanger having sample vessels for the liquid or gaseous samples and openings between the sample vessels through which the feeder element is automatically s... | 07/16/1991 |
| 5017339 | Apparatus for measuring the components of a sample An apparatus for measuring the properties of a sample includes a sensor block with at least one sensor module whose housing contains a measuring chamber in contact with a sensor, the housing of the sensor module M including a mixing chamber for indirect m... | 05/21/1991 |
| 4965087 | Method of making a sensor element for fluorescence-optical measurements A sensor element useful in making fluorescence-optical measurements includes a substrate having a carrier surface, particles having a large specific surface are which are glued, melted or sintered onto the carrier surface so as to provide small elevations... | 10/23/1990 |
| 4910487 | Bistable magnet Bistable magnet, in particular for the actuation of valves and the like, with a movable piston that has a pole face and that is held by a permanent magnet in one of its two stable positions, wherein this piston has a stop face that is provided with a damp... | 03/20/1990 |
| 4857472 | Method for continuous quantitative detection of sulphur dioxide and an arrangement for implementing this method In order to obtain a higher measuring accuracy and better selectivity in the optical quantitative analysis of sulphur dioxide in gaseous or liquid media, it is proposed that the medium to be analyzed be brought into contact with a fluorescent indicator wh... | 08/15/1989 |
| 4776869 | Method for preparing substrates for optical sensors Bodies of borosilicate glass with a B2 O3 content of less than 13 percent by weight are provided with a microporous layer of a thickness of 5 to 20 Ī¼m, and are thus turned into carriers for optical sensors. This process is character... | 10/11/1988 |
| 4755684 | Method for tumor diagnosis and arrangement for implementing this method In contrast to relatively expensive known methods for tumor diagnosis by means of serum tests, the serum to be investigated (or its albumin or globulin subfraction) are excited by an excitation radiation at least of a wavelength between 250 and 300 nm, an... | 07/05/1988 |
| 4755667 | Sensor element for determination of concentration of substances A sensor element for use in determining the concentrations of substances contained in gaseous and liquid samples includes a carrier layer and an indicator layer containing one or more indicator substances whose optical properties change depending on the c... | 07/05/1988 |
| 4716118 | Method for determining ionic strength of a sample One measurement each is obtained from two optical sensors of ion concentration, following which the measured values are used for empirical determination of the ionic strength of an electrolytic solution. The sensors contain the same indicator substance bu... | 12/29/1987 |
| 4704893 | Device for equilibrating a liquid reagent A device for equilibrating small quantities of a liquid reagent or a test solution with a gas-containing liquid or a gas in which at least part of the passage of the reagent leads through a hollow space that is separated by a permeable wall from a gas cha... | 11/10/1987 |
| 4705667 | Analyzing apparatus for measuring liquid or gaseous samples In its initial position an input opening of a sample input device provides a seal against a funnel element which is directly connected to a feed pipe delivering standard media and to a valve-controlled air supply, and which has a feed opening cooperating ... | 11/10/1987 |
| 4670127 | Ion-sensitive membrane electrode In order to produce a sensitive membrane electrode with high selectivity with respect to other anions and lipophilic ions or interfering substances, the membrane is based on an unplasticized polymer matrix whose content of electroactive component is betwe... | 06/02/1987 |
| 4657736 | Sensor element for determining the oxygen content and a method of preparing the same In an O2 sensor element which contains a fluorescent indicator substance, a polymerized silicone polymer is used as a carrier material in which the indicator substance is incorporated in solubilized form and in an at least approximately homogen... | 04/14/1987 |
| 4632807 | Optical sensor for fluorescence measurements In an optical sensor used mainly for determining the partial pressure of O2 or CO2 in respiratory gas includes a sample measuring chamber through which sample medium to be analyzed flows or into which it is fed, a reference measuring... | 12/30/1986 |
| 4587101 | Measuring device for determining the O2 content of a sample In a sensor element for determining the O2 content of a sample, comprising a fluorescent indicator substance which is embedded in a polymer carrier and with which the sample may be brought into contact, a fluorescence extinction sufficiently hi... | 05/06/1986 |
| 4580059 | Method for fluorometric determination of the concentrations of substances in a sample and arrangement for implementing this method For the simultaneous measurement of the concentrations of several substances a number of fluorescence measurements corresponding to the number of substances to be tested are performed using at least one fluorescent indicator which is non-specific relative... | 04/01/1986 |
| 4568518 | Sensor element for fluorescence-optical measurement Fluorescence-optical indicator material is chemically bonded in a network structure permeating a carrier membrane of the sensor element. As this network structure is independent of the membrane and not chemically bonded thereto, the properties of the memb... | 02/04/1986 |
| 4529495 | Measuring set-up with at least one sensor Between a substance to be analyzed and a sensor there is placed at least one membrane, forming part of a sample vessel containing a sample to be analyzed and being permeable for a species depending on the substance to be analyzed. This membrane constitute... | 07/16/1985 |
| 4512953 | Analyzing apparatus for the analysis of liquid samples An analyzing apparatus for the analysis of liquid samples is provided with a single sample input unit and a serial sample input unit which may alternatively be connected to a joint evaluation unit by means of a change-over switch. This will permit the mea... | 04/23/1985 |
| 4501296 | Device for charging an electrochemical measuring apparatus An electrochemical measuring apparatus may be charged with an option of several media by providing a feeder part with the respective media connections, and by guiding a piece of pipe in a bore, which is sealed off and is movable relative to this feeder pa... | 02/26/1985 |
| 4496512 | Method for making an ion-sensitive capillary electrode Method for making an electrode having an axial capillary bore with an intersecting bore. An extensible tube is inserted in the axial bore and a polymerizable mixture is inserted in the intersecting bore and permitted to polymerize against the tube which i... | 01/29/1985 |
| 4446872 | Method and apparatus for determining systolic time intervals A method and apparatus for determining the systolic time intervals from the electrocardiogram (ECG) wherein initially there is detected at least the point in time of the Q-wave in the ECG. Thereafter there is determined the time point for the start of the... | 05/08/1984 |
| 4358423 | Method and apparatus for monitoring and controlling the charging operation of an elongated measuring chamber A measuring chamber contains contact devices between each of which the electric resistance is measured before the actual analysis of the blood gases begins so that erroneous measurements are avoided if the measuring chamber is not completely filled with a... | 11/09/1982 |
| 4318041 | Circuit arrangement for an electro-chemical measuring device A measuring circuit for use with an active polarized electrode, a reference electrode and a diaphragm which separates the solution to be examined from the electrolyte in which the electrodes are immersed. The output signals from the polarized electrode an... | 03/02/1982 |
| 4264328 | Method for recording measured values in an automatically performed blood gas analysis The measured values are calculated from the following equation: ##EQU1## in which X1, Xi+1, Xi+2 are three values of signals obtained from one electrode measured successively at equal intervals of time, namely after a... | 04/28/1981 |
| 4228808 | Device for the withdrawal of blood A device for the withdrawal of blood, especially for the removal of blood from arteries, comprising a puncture needle with which there is connected at least one capillary located in a substantially cylindrical jacket at which there is mounted the puncture... | 10/21/1980 |
| 4004331 | Method of manufacturing multi-wire oxygen electrode A multi-wire oxygen electrode and method of manufacturing the same, said electrode having a reactive electrode surface formed by a glass electrode tip having an end surface and a number of electrode wires are distributed in the end surface of the electrod... | 01/25/1977 |
| 3965383 | Multi-wire oxygen electrode and method of manufacturing the same A multi-wire oxygen electrode and method of manufacturing the same, said electrode having a reactive electrode surface formed by a glass electrode tip having an end surface and a number of electrode wires are distributed in the end surface of the electrod... | 06/22/1976 |
