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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7146203 | Implantable biosensor and methods of use thereof Provided herein is a stabilized oxygen transport matrix that includes a reversible oxygen binding protein, such as hemoglobin, immobilized throughout the stabilized oxygen transport matrix. The stabilized oxygen transport matrix is used to transport oxygen and can b... | 12/05/2006 |
| 7108778 | Electrochemical sensors including electrode systems with increased oxygen generation The present invention relates generally to systems and methods for increasing oxygen generation in electrochemical sensors in order to overcome the oxygen limitations. The preferred embodiments employ electrode systems with at least two electrodes in relatively clos... | 09/19/2006 |
| 6996428 | Biological signal sensor and device for recording biological signals incorporating the said sensor The sensor has four electrodes arranged on a common base, three of which are made as closed circuits, placed one into another, whereas the fourth electrode is placed inside the smallest circuit. The external and the central electrodes form a pair of current-feeding ... | 02/07/2006 |
| 6990366 | Analyte monitoring device and methods of use An analyte monitor includes a sensor, a sensor control unit, and a display unit. The sensor has, for example, a substrate, a recessed channel formed in the substrate, and conductive material disposed in the recessed channel to form a working electrode. The sensor co... | 01/24/2006 |
| 6760610 | Sensor and method for measurement of physiological parameters A sensor for the measurement of physiological parameters in the blood, including at least one measuring apparatus and a digital sensor signal processor which is arranged in the sensor, and which is connected in a signal conducting manner to the measuring apparatus. ... | 07/06/2004 |
| 5250419 | Method for the direct measurement of at least one chemical parameter of skin using a biosensor This biosensor comprises a membrane (8), in which an enzyme catalyzing the transformation of a substrate used in the cutaneous metabolism is immobilized, means for detecting and measuring a phenomenon caused by said transformation, which is representative... | 10/05/1993 |
| 5007424 | Polarographic/amperometric measuring sensor This invention provides a polarographic/amperometric measuring sensor, particularly useful for transcutaneous determination of the oxygen partial pressure (tcpO2) in the blood by means of a Clark-type electrode arrangement. According to the inv... | 04/16/1991 |
| 4932410 | Dual membrane mounting for transcutaneous oxygen and carbon dioxide sensor A transcutaneous sensor probe having dual sensing electrodes responsive to the effects of two different transcutaneous gases on an ion solution separated from the skin surface by a selectively permeable seal having respective regions overlying the corresp... | 06/12/1990 |
| 4784145 | Membrane retainer assembly for physiological sensing units Disclosed herein is a retainer assembly for applying a membrane to a physiological sensing unit for the transcutaneous determination of the magnitude of physiological quantities, particularly for measuring the partial pressure of gases in blood or the lik... | 11/15/1988 |
| 4685465 | Electrode device for transcutaneously measuring a blood gas parameter and for sensing a bioelectrical signal and an electrode assembly comprising such an electrode device An electrode device for transcutaneously measuring the blood gas parameter and for sensing a bioelectrical signal and an electrode assembly comprising such an electrode device are disclosed. The electrode assembly for transcutaneously measuring a blood ga... | 08/11/1987 |
| 4657022 | Electrode arrangement for transducers An electrode arrangement in transducers for the combined measurement of various physiological quantities includes adhesion areas for connecting the arrangement to the skin. To increase adhesion strength and to provide a better electric insulation between ... | 04/14/1987 |
| 4488557 | Topical agent for transcutaneous measurement of partial pressure of oxygen The invention relates to a method for treating skin for assisting transcutaneous measurement of arterial partial pressure of oxygen. The method involves applying topically 2-thenoyltrifluoroacetone to the area of skin over which the partial pressure of ox... | 12/18/1984 |
| 4450842 | Solid state reference electrode In the reference electrode construction disclosed herein, silver and silver chloride particles are incorporated in a mixture including a fusible glass frit. After being printed on a suitable substrate, the mixture is fired to bond the silver/silver chlori... | 05/29/1984 |
| 4425918 | Membrane retainer arrangement for physiological sensing units Disclosed herein is a retainer arrangement for applying a membrane to a physiological sensing unit for the transcutaneous determination of the magnitude of physiological quantitites, particularly for measuring the partial pressure of gases in blood or the... | 01/17/1984 |
| 4359054 | Retainer arrangement and method for applying a membrane to a physiological sensing unit Disclosed herein are a method and a retainer arrangement for applying a membrane to a physiological sensing unit for the transcutaneous determination of the magnitude of physiological quantities, particularly for measuring the partial pressure of gases in... | 11/16/1982 |
| 4324257 | Device for the transcutaneous measurement of the partial oxygen pressure in blood A device for the transcutaneous measurement of the partial oxygen pressure in blood, comprising a measuring head which includes a measuring cell of the Clark-type which is surrounded by one or more annular shielding cells of the Clark-type in order to eli... | 04/13/1982 |
| 4280505 | Fixation ring for transcutaneous gas sensor probe A fixation ring for a transcutaneous gas sensor probe adapted to be removably mounted on the probe with a bore in the ring communicating with the electrodes of the probe. The fixation ring includes a membrane mounted therein which is tensioned in cooperat... | 07/28/1981 |
| 4274418 | Electrochemical measuring device The invention relates to an electrochemical measuring device for transcutaneous measurement of arterial partial gas pressure, especially partial pressure of oxygen or carbon dioxide. The measuring device comprises an annular mounting member having a skin ... | 06/23/1981 |
| 4273134 | Fixation ring assembly and method of assembling a sensor head A method of assembling a sensor head and permeable membrane with encapsulated electrolyte. A disposable fixation ring is part of a similarly disposable fixation ring assembly, the latter of which serves as a fixture for automatically mounting the membrane... | 06/16/1981 |
| 4248239 | Medical sensor assembly with battery A polarized sensor assembly for a polarographic oxygen sensor. The assembly comprises a sensor head and a shielded cable, with a power unit in the cable. The head electrodes remain polarized at all times, permitting transfer of the sensor assembly from on... | 02/03/1981 |
| 4230122 | Transcutaneous monitoring of critical perfusion-efficiency situations First and second probes are laid against the skin to transcutaneously measure perfusion and e.g., oxygen concentration and generate corresponding first and second signals. These signals are fed to a signal-processing unit which triggers an alarm whenever ... | 10/28/1980 |
| 4041933 | Electrode for polarographic measurements in physiological media An electrode for effecting polarographic measurements in physiological media, in particular an oxygen electrode for the measurement of the partial pressure or tension of the oxygen in the human or animal body; encompassing a noble metal cathode which is s... | 08/16/1977 |
| 3998212 | Electrode for percutaneous polarographic measurements An electrode for percutaneous polarographic measurements and, in particular, an oxygen electrode for the percutaneous measurement of the partial pressure or tension of oxygen in human or animal bodies, including a carrier or support portion for the actual... | 12/21/1976 |