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| Number | Title | Issue Date |
| 8073517 | System and method for measuring blood constituents using a catheter A system and method for confirming the proper placement of a penetrating catheter into a venous region using principles of oximetry in which blood is subjected to light of a plurality of wavelengths and detected for absorption levels. The result is analyzed by a pro... | 12/06/2011 |
| 7747302 | Method for integrating facilitated blood flow and blood analyte monitoring A method for the integrated facilitization of blood flow and monitoring of blood analyte concentration (for example, blood glucose concentration) includes implanting a stent configured to facilitate blood flow into a cardiovascular system of a user's body with the s... | 06/29/2010 |
| 7660616 | Implantable multi-wavelength oximeter sensor Implantable multi-wavelength oximetry sensors, which can be used to monitor a patient's blood oxygen saturation level, are described. The sensor includes an implantable sensor housing within which are located a plurality of light sources that each transmits light of... | 02/09/2010 |
| 7519407 | Optical sensing catheter system An optical sensing catheter system for physiological measurements of vascular or arterial parameters at plurality of location deploys wavelength division multiplexing in a common optical fiber to communicate with each optical sensor. The sensors are preferably passi... | 04/14/2009 |
| 7486978 | Catheter head The present invention relates to a catheter head comprising: means (104, 108; 306, 304; 320; 322; 326; 338) for directing of radiation to a blood detection volume (220; 310), means (104, 108; 306, 304; 320; 322; 326; 332, 334, 330; 338) for rece... | 02/03/2009 |
| 7384794 | Micro-devices and analytical procedures for investigation of biological systems Fibres with an extraction phase coated thereon in combination with a positioning device are described to perform adsorption of components of interest from an animal or animal tissue for the investigation of living systems. A number of interfaces to analytical instru... | 06/10/2008 |
| 7381184 | Sensor inserter assembly An analyte monitor includes a sensor, a sensor control unit, and a display unit. The sensor control unit typically has a housing adapted for placement on skin and is adapted to receive a portion of an electrochemical sensor. The sensor control unit also includes two... | 06/03/2008 |
| 7356364 | Device for optical monitoring of constituent in tissue or body fluid sample using wavelength modulation spectroscopy, such as for blood glucose levels A device for monitoring the concentration level of a constituent in tissue or a body fluid sample, such as glucose concentration in blood, has a laser light source which is modulated about a center emission frequency to probe the absorption spectrum of the constitue... | 04/08/2008 |
| 7324848 | Reducing data acquisition, power and processing for photoplethysmography and other applications Methods, systems and devices are provided for reducing the amount of data, processing and/or power required to analyze hemodynamic signals such as photoplethysmography (PPG) signals, pressure signals, and impedance signals. Methods, systems and devices are also prov... | 01/29/2008 |
| 7316700 | Self optimizing lancing device with adaptation means to temporal variations in cutaneous properties A lancing device, an embodiment of which controls the advancement and retraction of a lancet by monitoring the position of the lancet in conjunction with a lancet controller which incorporates a feedback loop for modulating the lancet driver to follow a predetermine... | 01/08/2008 |
| 7302289 | Readable probe array for use A disposable high density optically readable polydeoxynucleotide array with integral fluorescence excitation and fluorescence emission channels is described. The compact array size allows integration into several types of interventional devices such as catheters, gu... | 11/27/2007 |
| 7289204 | Apparatus and sensing devices for measuring fluorescence lifetimes of fluorescence sensors An apparatus and devices for measuring fluorescence lifetimes of fluorescence sensors for one or more analytes, the apparatus comprising (c) one or more reference systems (3,6,7), said reference systems each comprising one or more reference light sources (... | 10/30/2007 |
| 7276029 | System and methods for processing analyte sensor data Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the ... | 10/02/2007 |
| 7273056 | Optical guidance system for invasive catheter placement Light from a small laser diode is inserted in a distal end of a catheter and passed through an optical fiber that is either included in the lumen or incorporated into the wall of an invasive catheter tube during manufacture. The light is selected to be of a waveleng... | 09/25/2007 |
| 7248906 | Method and device for monitoring analyte concentration by optical detection A method and device are provided for the determination of the concentration of compounds in body tissue. The method utilises optical methods based on the interaction of light with compounds, whereby the concentration of the compound under analysis is determined. The... | 07/24/2007 |
| 7244232 | Process for identifying cancerous and/or metastatic cells of a living organism A process for identifying and treating cells in a living organism. The cells are labeled, circulated within the organism, detected with an implanted detector, and then either isolated or ablated. ... | 07/17/2007 |
| 7232429 | Medical devices A medical device includes a cavity communicable with a body to deliver or to receive a fluid, and a radiation source configured to expose a portion of the cavity to radiation. ... | 06/19/2007 |
| 7231241 | Probe for optical measurement instrument for living body and optical measurement instrument for living body using the same Disclosed is a probe for biomeasurement by use of light capable of adjusting positions of incident points and detection points without changing the distance between the incident point and the detection point in accordance with the size of a subject's head, and an op... | 06/12/2007 |
| 7228160 | System, apparatus and method for inferring glucose levels within the peritoneum with implantable sensors A glucose sensor assembly useful in patient systems includes an oxygen sensor from which glucose levels in the vicinity of the peritoneal cavity may be inferred. The sensor assembly may be associated with electronics, such as any or all of a DC power supply, an LED ... | 06/05/2007 |
| 7223237 | Implantable biosensor and methods for monitoring cardiac health The ability to continuously monitor concentrations of any of a plurality of blood-borne substances, such as proteins, improves patient monitoring and overall care through early detection of cardiac threats. Ultrasound-based technology used in analytical chemistry to... | 05/29/2007 |
| 7225024 | Sensors having protective eluting coating and method therefor A cardiac management implantable device that has an intravascular device body, and one or more chemical sensors coupled with the intravascular device body. A drug eluting substance is disposed at a location including at least one of on, directly adjacent, or near th... | 05/29/2007 |
| 7166458 | Assay and method for analyte sensing by detecting efficiency of radiation conversion In one aspect, the present invention is a system, a device and a method for sensing the concentration of an analyte in a fluid or matrix. The analyte may be glucose or any other chemical of interest. The fluid or matrix may be, for example, the fluid in a bioreactor... | 01/23/2007 |
| 7149562 | Needle with fiberoptic capability A needle with fiber optic capability for spectrophotometric analysis includes a needle assembly including a needle body having an open tip and side radiation ports. A fiber optic element is disposed in the needle assembly for carrying electromagnetic radiation to th... | 12/12/2006 |
| 7139613 | Implantable medical device communication system with pulsed power biasing An implantable medical device communication system communicates information between an implantable medical device and at least one slave device by way of a two-wire bus. Slave devices may include remote sensors, actuators and other implantable medical devices. The i... | 11/21/2006 |
| 7113624 | Imaging apparatus and method employing a large linear aperture An apparatus images a surface. An imager stage linearly translates the surface in a first direction. A fiber optic bundle has a first end of parallel first fiber ends defining a linear input aperture perpendicular to the first direction and parallel to the surface, ... | 09/26/2006 |
| 7101472 | Microfluidic ion-selective electrode sensor system Ion-selective electrode sensor systems, and methods of fabricating such systems, may be utilized to analyze microfluidic sample volumes, i.e., sample volumes on the order of 1 to 1000 microliters. ... | 09/05/2006 |
| 7013178 | Implantable medical device communication system An implantable medical device communication system communicates information between an implantable medical device and at least one slave device by way of a two-wire bus. Slave devices may include remote sensors and other implantable medical devices. The implantable ... | 03/14/2006 |
| 7010337 | Method and apparatus for monitoring blood condition and cardiopulmonary function Sensors located on a sensor carrier are placed adjacent one or more of a surgical patient's major thoracic blood-containing structures such as the aorta or pulmonary artery, and characteristics of blood in the blood-containing structures are determined noninvasively... | 03/07/2006 |
| 6997879 | Methods and devices for reduction of motion-induced noise in optical vascular plethysmography Methods and devices are provided for reducing motion artifacts when monitoring volume changes in blood vessels. Light having a first wavelength and light having a second wavelength are transmitted through a human appendage, toward the epidermis of a patient, or thro... | 02/14/2006 |
| 6970741 | Monitoring, preventing, and treating rejection of transplanted organs An implantable system control unit (SCU) includes means for measuring tissue impedance or other condition to determine allograft health, in order to predict or detect allograft rejection. The SCU also includes at least two electrodes coupled to means for delivering ... | 11/29/2005 |
| 6961600 | Transbronchial reflectance oximetric measurement of mixed venous oxygen saturation, and device therefor Provided are methods and a system for the transbronchial reflectance oximetric measurement of mixed venous oxygen saturation in the pulmonary artery of a patient, and a device therefor. Thus, provided is a quick, minimally invasive, method and system for determining... | 11/01/2005 |
| 6954665 | Catheter system A catheter system is suitable for the simultaneous, continuous, mutually unaffected measurement of the centrovenous oxygen saturation and the local concentration of injected indocyanine green. It has a centrovenous catheter with a fiber-optic lumen and a fiber-optic... | 10/11/2005 |
| 6937750 | Registration of nuclear medicine images A method of registering a plurality of functional images includes providing a plurality of functional images, providing a plurality of structural images, each one of which having a known positional relationship to at least one of said plurality of functional images,... | 08/30/2005 |
| 6931327 | System and methods for processing analyte sensor data Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the ... | 08/16/2005 |
| 6766183 | Long wave fluorophore sensor compounds and other fluorescent sensor compounds in polymers Fluorescent biosensor molecules, fluorescent biosensors and systems, as well as methods of making and using these biosensor molecules and systems are described. Embodiments of these biosensor molecules exhibit fluorescence emission at wavelengths greater than about ... | 07/20/2004 |
| 6650923 | Method for accessing the left atrium of the heart by locating the fossa ovalis Disclosed is an access catheter for identifying and providing access through a tissue structure such as the fossa ovalis on the intraatrial septum. The access catheter comprises an elongate flexible tubular body having a proximal and a distal end, and a r... | 11/18/2003 |
| 6615062 | Referencing optical catheters The invention provides methods and apparatus to reference or normalize optical measurements, by removing or accounting for background factors and artifacts, such as motion artifacts, that arise during use of optical catheters.... | 09/02/2003 |
| 6592519 | Smart microfluidic device with universal coating A medical device comprising a medical device component, the medical device component having an outer surface and an inner surface, a universal coating applied to at least the outer surface or the inner surface of the medical device component, wherein the ... | 07/15/2003 |
| 6556852 | Earpiece with sensors to measure/monitor multiple physiological variables An apparatus and method for positioning sensors relative to one another and anatomic features in a non-invasive device for measuring and monitoring multiple physiological variables from a single site uses an earpiece incorporating a shielded pulse oximetr... | 04/29/2003 |
| 6360119 | Electrode placement device for taking electrocardiograms and method of use Disclosed is an electrode placement with a series of electrodes disposed therein to be used for a one-step placement of electrodes. The device is shaped to allow it to be positioned and placed on a patient so that accurate placement of electrodes is achie... | 03/19/2002 |
