Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7326384 | Method and apparatus for detecting physicochemical changes emitted by biological sample A device for detecting a physicochemical change in a biological sample comprising at least one measuring electrode provided by causing a conductive material to enter into a porous film, and a conductor connected to the measuring electrode. ... | 02/05/2008 |
| 7192450 | Porous membranes for use with implantable devices A membrane for implantation in soft tissue comprising a first domain that supports tissue ingrowth, disrupts contractile forces typically found in a foreign body response, encourages vascularity, and interferes with barrier cell layer formation, and a second domain ... | 03/20/2007 |
| 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 |
| 7134999 | Optimized sensor geometry for an implantable glucose sensor An implantable sensor for use in measuring a concentration of an analyte such as glucose in a bodily fluid, including a body with a sensing region adapted for transport of analytes between the sensor and the bodily fluid, wherein the sensing region is located on a c... | 11/14/2006 |
| 7077837 | Multi-layered radiopaque coating on intravascular devices Intravascular devices having a radiopaque layer thereon for visualization are provided. The devices further includes a capping layer on the radiopaque layer to prevent exposure of the radiopaque material to surrounding tissues. A method of coating the device is also... | 07/18/2006 |
| 7048716 | MR-compatible devices A catheter is used for medical treatments within an organism. The catheter comprises at least one lumen. Within the at least one lumen are at least two microcatheters, with at least one of the at least two microcatheters being connected to a source of liquid materia... | 05/23/2006 |
| 7036224 | Method of making fluid sensor probe A fluid sensor probe such as a temperature probe uses heat shrink tubing to seal and provide strain relief at a proximal end of the probe. The heat shrink tubing uses a layer of hot melt adhesive along its inside surface to form a strong bond and hermetic seal. The ... | 05/02/2006 |
| 7033335 | Guidewire compatible port and method for inserting same An access port assembly having an attachable catheter allows for inserting a guidewire into the catheter to aid in the placement of the integral catheter while still attached to the access port assembly. A method is described for placing an access port fixedly attac... | 04/25/2006 |
| 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 |
| 5505828 | Calibration solutions useful for analysis of biological fluids and methods employing same Novel calibration solutions are provided which are useful, for example, with sensor assemblies used for analysis of CO2, and optionally, for concurrent analysis of O2, especially in combination infusion fluid delivery/blood chemistry... | 04/09/1996 |
| 5262037 | Electrochemical sensor An electrochemical sensor for the determination of the partial pressure of oxygen in a bloodstream comprising a cathode and an anode immersed in an electrolyte contained in a chamber defined by an oxygen gas permeable membrane wherein the conductor formin... | 11/16/1993 |
| 5225063 | Apparatus for the electrochemical determination of the partial oxygen pressure in a liquid measuring medium An apparatus for electrochemically determining the partial oxygen pressure pO2 in a liquid measuring medium includes a measuring sensor having a working electrode and a counter-electrode. The electrodes are manufactured in thin-film technology ... | 07/06/1993 |
| 5000180 | Polarographic-amperometric three-electrode sensor For a potentiostatically operable, polarographic-amperometric sensor, in particular for biomedical use, wherein a working electrode (5) and a reference electrode (4) are covered by an electrolyte layer (9) which is separated from the medium to be measured... | 03/19/1991 |
| 4803991 | Three electrode hydroquinone subcutaneous equilibrating tonometer A closed tonometer for subcutaneous insertion is disclosed having a small closed equilibrating bath. Three noble metal electrodes, preferably platinum (Pt), communicate through electrical conductors to the bath at spacings exceeding 0.2 mm. Each noble met... | 02/14/1989 |
| 4681116 | Antimony electrode assembly and method of manufacture, and use thereof An antimony electrode for pH measurement is formed with a convex, very smooth tip and sealed within a flexible plastic sheath with just the tip exposed. A reference electrode is provided either separately or in conjunction with the antimony electrode, the... | 07/21/1987 |
| 4672970 | Electrode for living body Disclosed is a metal electrode for a living body, which comprises a noble metal wire an an insulating covering layer formed around the periphery of the noble metal wire. At least a part of the portion of the insulating covering layer falling in contact wi... | 06/16/1987 |
| 4672971 | Oxygen sensor An oxygen sensor and method of monitoring the oxygen content of blood or other body fluids are provided, which oxygen sensor and method achieve monitoring of enhanced accuracy that is not substantially effected by the presence of an anaesthetic within the... | 06/16/1987 |
| 4615340 | Sensor assembly suitable for blood gas analysis and the like and the method of use A sensor assembly for electrochemical analysis of a substance comprises a housing and electrodes for sensing selective gases and ions within the housing. A sampler is associated with the housing for introducing the substance to be analyzed into the housin... | 10/07/1986 |
| 4534355 | Electrochemical sensor employing a gas-permeable hydrophilic polyurethane membrane A device for use in determining blood gas which employs a membrane of material permeable to blood gas to be determined characterized in that the membrane is hydrophilic polyurethane is described.... | 08/13/1985 |
| 4512349 | Method of direct tissue gas tension measurement and apparatus therefor A new method of tissue oxygen tension measurement which is suitable for human use utilizes an implanted Silastic tube which is inserted through four to five cm of subcutaneous tissue leaving the ends exposed. With the tube filled, for example, with a sali... | 04/23/1985 |
| 4499901 | Retreated sensing electrode An improved sensing electrode assembly for testing for a constituent in blood is provided. An electrode assembly exhibits a decreased time to reach stable operation by virtue of having the assembly pretreated by applying thereto a liquid containing blood ... | 02/19/1985 |
| 4442841 | Electrode for living bodies An electrode for living bodies consisting of a fine metal wire at least part of the surface of which is directly coated with a porous membrane having fine pores of an average pore diameter of greater than 0.01 μm. The electrode makes it possible to measu... | 04/17/1984 |
| 4176659 | Catheter with measurement electrodes A catheter is provided which comprises a tubular body that defines a passage therewithin terminating in an axially-facing opening at the tip end of the catheter, the opening serving as a sampling port. A pair of annular electrodes are arranged in spaced r... | 12/04/1979 |
| 4148305 | Cathode for polarographic measurements in physiological medium A cathode for polarographic measurements in physiological medium, such as measuring oxygen partial pressure in a human or animal body, is comprised of an elongated cable having a conductive filament, such as a steel wire or a carbon fiber enveloped within... | 04/10/1979 |
| 3999284 | Method for making a polarographic sensing means A catheter system for blood gas monitoring and the method of making same comprising a polarographic sensing means having a body, first and second conductors supported by the body and each respectively having an exposed conducting surface at a region of th... | 12/28/1976 |
