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| Number | Title | Issue Date |
| 8078249 | 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... | 12/13/2011 |
| 7429920 | Radio frequency identification and tagging for implantable medical devices and medical device systems Systems and methods for radio frequency identification and tagging of implantable medical devices and their components are disclosed. A preferred embodiment includes tagging a device and its components with manufacturing information relating to the device and it com... | 09/30/2008 |
| 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 |
| 7367942 | Method and apparatus for testing blood glucose in a reversible infusion line An apparatus for automatically and periodically measuring a patient's blood glucose level wherein the patient has a catheter in a blood vessel and is receiving infusion fluid through the catheter. A testing unit is provided which has a main infusion channel and, in ... | 05/06/2008 |
| 7322971 | Surgical drain with sensors for monitoring internal tissue condition by transmittance Devices and methods of using a surgical drain, and more particularly a surgical drain having at least one sensor for monitoring and/or recording the condition of the anatomical site or fluid emitted from the site where the surgical drain is placed. Modifications may... | 01/29/2008 |
| 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 |
| 7181260 | Apparatus and method for measuring myocardial oxygen consumption Disclosed is a pulmonary artery catheter (“PAC”) that is used in determining myocardial oxygen consumption. Myocardial oxygen consumption is of critical importance because decreased myocardial energy utilization during acute illness may lead to tissue hypoperfus... | 02/20/2007 |
| 7120481 | Probe and apparatus for measuring cerebral hemodynamics and oxygenation A probe and an apparatus for cerebral diagnostics and therapy, in particular for measuring absolute values of regional cerebral flow (CBF) and cerebral oxygenation. The probe is inserted through a burr hole in the skull and comprises illuminating device, light recei... | 10/10/2006 |
| 7018372 | Catheter A catheter 1 suitable for advancement through a body passageway of a patient. The catheter 1 comprises a catheter body 4 which is flexible to provide the necessary trackability for the catheter 1 to advance through a body passageway, and ... | 03/28/2006 |
| 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 |
| 6932114 | Fluid delivery system and method A fluid delivery system capable of delivering a precise amount of fluid and monitor certain properties of the fluid so that the correct fluid is safely delivered to its intended destination. The system makes use of a flow sensor comprising a freestanding tube portio... | 08/23/2005 |
| 6904199 | Optical catheter with double-clad fiber A double-clad fiber extends along an axis of a catheter. The fiber has a core and an annular cladding surrounding the core. A lens assembly has a first sub-aperture in optical communication with the core and a second sub-aperture in optical communication with the an... | 06/07/2005 |
| 6802811 | Sensing, interrogating, storing, telemetering and responding medical implants Implants and implants, including sensors responsive to pressure, fluid flow, concentration of analytes, pH and other variables, including a feedback loop and means for modifying the implant after placement in a patient in response to measurements made using the sens... | 10/12/2004 |
| 6783499 | Anchoring mechanism for implantable telemetric medical sensor An implantable medical device comprises a housing having a proximal end and a distal end and a longitudinal axis. A first set of anchoring members are operatively connected to the proximal end of the housing. A second set of anchoring members are operatively connect... | 08/31/2004 |
| 6746404 | Method for anchoring a medical device between tissue A method for implanting a medical device between tissue comprises the steps of providing a catheter having a body and a distal end thereof wherein the catheter includes an implantable device comprising a housing having a proximal end and a distal end and a longitudi... | 06/08/2004 |
| 6743173 | Systems and methods for deploying a biosensor in conjunction with a prosthesis A biosensor for monitoring pressure or other physical parameters at an aneurysm site is mountable to a tubular prosthesis that is expandable between contracted and enlarged conditions. A loop, having the biosensor attached thereto, is securable around the prosthesis... | 06/01/2004 |
| 6738651 | Catheter based probe and method of using same for detecting chemical analytes A medical diagnostic apparatus including a catheter and a probe assembly coupled to the catheter and a method involving the use of a catheter and a probe assembly coupled to the catheter. The probe assembly is capable of detecting a chemical analyte. The probe assem... | 05/18/2004 |
| 6625495 | Body-cavity probe with body conformable member A probe insertable into a body cavity for applying an electrical stimulation to tissue therein includes a flexible hollow member of biocompatible material to enable the member to be inserted into the body cavity and to substantially conform to its inner s... | 09/23/2003 |
| 6584335 | Analytical device for in vivo analysis in the body of a patient Analysis device for determining an analyte in vivo in the body of a patient, having a measuring probe with a hollow needle (18) which can pierce through the skin. Light is passed through the hollow needle (18) and into the body via an optical fiber (22) t... | 06/24/2003 |
| 6498941 | Catheter based probe and method of using same for detecting chemical analytes A medical diagnostic apparatus including a catheter and a probe assembly coupled to the catheter and a method involving the use of a catheter and a probe assembly coupled to the catheter. The probe assembly is capable of detecting a chemical analyte. The ... | 12/24/2002 |
| 6416474 | Systems and methods for deploying a biosensor in conjunction with a prosthesis A biosensor for monitoring pressure or other physical parameters at an aneurysm site is mountable to a tubular prosthesis that is expandable between contracted and enlarged conditions. A loop, having the biosensor attached thereto, is securable around the... | 07/09/2002 |
| 6263250 | Ring electrode with porous member A lead assembly having a ring electrode is adapted for implant and for connection to a system for monitoring or stimulating cardiac activity. The lead assembly includes a first porous member disposed around the ring electrode at the distal end of the lead... | 07/17/2001 |
| 6125290 | Tissue overgrowth detector for implantable medical device An implantable sensor assembly for use with an implantable medical device are disclosed. The sensor assembly preferably includes two or more physiologic sensors coupled to the medical device via a pair of lead conductors, or alternatively an oxygen sensor... | 09/26/2000 |
| 5797838 | Physical-information-image displaying apparatus A physical-information-image displaying apparatus for use with an endoscope including an image pick-up which picks up an endoscopic image from a living subject and produces an endoscopic-image signal representing the picked-up endoscopic image, and a disp... | 08/25/1998 |
| 5785652 | Physical-information abnormality informing endoscope An apparatus for informing an operator of an abnormality of a physical information obtained from a living subject, including a physical-information obtaining device which obtains the physical information from the subject via an endoscope and outputs a ... | 07/28/1998 |
| 5662104 | Method of measuring the quantity of attenuation of light transmitted through blood and photo sensor used for the method An external auditory canal arm having a photo sensing element at the distal end thereof is inserted into an external auditory meatus. A contact piece 1b having a light emitting element is set to a location near an ear lobe on the surface of a skin of the ... | 09/02/1997 |
| 5419322 | Internal apparatus for continuous electrical and oximetric intrapartum monitoring of the fetus An internal apparatus for continuous electrical and oximetric intrapartum fetal monitoring includes a base assembly containing a photodetector and a single spiral probe extending from the base assembly, which probe penetrates a fetal scalp. The probe cont... | 05/30/1995 |
| 5411024 | Fetal pulse oximetry sensor A fetal pulse oximetry sensor device containing a pulse oximetry sensor is disclosed. The device also includes a spiral for fetal attachment. One or both of the light emitting portion and light detecting portion of the pulse oximetry sensor is spring bias... | 05/02/1995 |
| 5377673 | Intrauterine monitoring device An improved fetal monitoring device which incorporates sensors which permit the monitoring of inutero fetal heart rate, oxygen saturation, blood chemistry and eliminates the collection of such information during maternal contractions.... | 01/03/1995 |
| 5233194 | Optical gas sensor with enriching polymer A gas sensor using optical fiber technology to measure gas concentration in a test volume. In one embodiment, the sensor incorporates a gas enriching polymer which absorbs and concentrates carbon dioxide (CO2) from the test volume surrounding t... | 08/03/1993 |
| 5154175 | Intrauterine fetal EKG-oximetry cable apparatus An apparatus including an organization to process signals regarding information to pulse rate and oxygen saturation of arterial blood flow in a fetus. The organization includes guide cable including sensors mounted to a housing, wherein the housing includ... | 10/13/1992 |
| 5120510 | Sensor and method for sensing the concentration of a component in a medium An apparatus for sensing the concentration of a component such as oxygen in a medium such as blood. The apparatus includes an elongated signal transmitter and a sensing element at one end thereof. A substantially rigid sleeve is secured around such end to... | 06/09/1992 |
| 5119463 | Compound optical probe employing single optical waveguide A O2 /CO2 /pH compound gas probe comprising a single optical waveguide and a method for making the same. The optical waveguide carries light signals at different wavelengths for monitoring oxygen concentration, carbon dioxide concent... | 06/02/1992 |
| 4998973 | Endoscope An endoscope including a light source for generating light beams having difference wavelengths to an object in an internal organ such as the stomach and the intestines of a subject, in which picture signals are picked up by a pickup device such as an opto... | 03/12/1991 |
| 4830488 | Measuring instrument for intracardial acquisition of blood oxygen saturation A measuring instrument for obtaining an intracardial signal indicative of blood oxygen saturation, which may be used to control the stimulation frequency of a heart pacemaker, has a measuring probe which contains a light transmitter and a light receiver. ... | 05/16/1989 |
| 4784144 | Optical fiber image sensor An optical fiber sensor is composed of an outer portion generally in the form of a tube which constitutes an illumination light transmission path. Inside the tube is formed or inserted an image path for directing image light back to an observation point. ... | 11/15/1988 |
| 4718423 | Multiple-function cardiovascular catheter system with very high lumenal efficiency and no crossovers Cardiac output, blood oxygen saturation, and oxygen consumption are measured using only two lumens of a catheter that has no interlumen crossover. Therefore this construction avoids costly techniques for modifying the catheter, as well as leakage risk at ... | 01/12/1988 |
