The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 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 |
| 7326576 | Raman spectroscopic monitoring of hemodialysis Spectroscopic systems and methods are disclosed for determining levels of at least one analyte in blood undergoing hemodialysis. In one aspect, the invention employs Raman spectroscopy to monitor and/or control hemodialysis. In one embodiment, the system uses a lase... | 02/05/2008 |
| 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 |
| 7164948 | Cardiac output measurement using dual oxygen sensors in right and left ventricles A pacemaker provides multi-chamber pacing with a pacing interval that can be programmed and adapted in response to cardiac output measurements for a given patient. In a typical embodiment, the pacemaker may provide pacing stimuli to both ventricles of a heart. In ad... | 01/16/2007 |
| 7047074 | Electromagnetic interference immune tissue invasive system An electromagnetic immune tissue invasive system includes a primary device housing. The primary device housing having a control circuit therein. A shielding is formed around the primary device housing to shield the primary device housing and any circuits therein fro... | 05/16/2006 |
| 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 |
| 6985762 | Network formatting for remote location oximetry applications The present invention provides an apparatus and method for formatting data from a pulse oximetry monitoring device to include display layout information for use by a remotely located display unit. In this regard, the remotely located display unit is in data communic... | 01/10/2006 |
| 6974422 | Catheter pressure transducer with pressure sensing module The present invention relates to a catheter pressure transducer having a pressure sensing module operable to provide a signal representative of pressure. The pressure sensor includes a sensing side and a pressure reference side. At least one signal transmission medi... | 12/13/2005 |
| 6968236 | Ceramic cardiac electrodes A cardiac electrode termination pair system that is particularly compatible with Magnetic Resonance Imaging (MRI) procedures. The electrodes include tip and ring electrodes made of a body-compatible ceramic on which is applied via electroplating, sputtered or the li... | 11/22/2005 |
| 6493568 | Patient interface system A patient interface system integral with a critical care bed for allowing the acquisition, analysis, display, and conveyance of patient-related data from a variety of transducers. The system is adapted to recognize and interpret each type of signal being ... | 12/10/2002 |
| 6415166 | Photoplethysmographic device with remote facsimile A photoplethysmographic monitoring system such as a pulse oximeter collects data regarding the blood analyte concentration and pulse rate of a patient through the analysis of light transmitted form an emitter through tissue to a photo detector. It is ofte... | 07/02/2002 |
| 6226540 | Measuring process for blood gas analysis sensors The invention relates to a measuring process, the purpose of which is to increase the measuring accuracy of pulse oxymeters and comparable optical devices which are used in vivo to ascertain oxygen saturation of arterial blood. The measuring process accor... | 05/01/2001 |
| 6198952 | Multiple lens oxygen sensor for medical electrical lead 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... | 03/06/2001 |
| 6144866 | Multiple sensor assembly for medical electric lead 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... | 11/07/2000 |
| 6134459 | Light focusing apparatus for medical electrical lead oxygen sensor 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... | 10/17/2000 |
| 6125291 | Light barrier for medical electrical lead oxygen sensor 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 |
| 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 |
| 5995857 | Biofeedback of human central nervous system activity using radiation detection Apparatus and method for biofeedback of human central nervous system activity using radiation detection. This invention uses radiation from the brain resulting either from an ingested or injected radioactive material or radio frequency excitation or light... | 11/30/1999 |
| 5902326 | Optical window for implantable medical devices An optical window assembly for use in implantable medical devices includes a generally U-shaped ferrule having a strain relief channel to accommodate residual stresses remaining in the ferrule after welding the ferrule to the housing of an implantable med... | 05/11/1999 |
| 5682877 | System and method for automatically maintaining a blood oxygen saturation level A system and method for automatically selecting an appropriate oxygen dose to maintain a desired blood oxygen saturation level is disclosed. The system and method are particularly suited for use with ambulatory patients having chronic obstructive lung dis... | 11/04/1997 |
| 5408998 | Video based tissue oximetry A video oximetry device and method is provided in which an endoscopic device is used to obtain and determine oxygen saturation levels at a tissue site. A video image illustrating blood oxygen saturation and/or tissue perfusion is derived and displayed.... | 04/25/1995 |
| 5282464 | Combined laryngeal mask and reflectance oximeter A reflectance oximeter is so mounted to the upstream or proximal side of a laryngeal mask as to face the posterior wall of the pharynx when the laryngeal mask has been positioned to perform its function of sealed, exclusive airway communication with the l... | 02/01/1994 |
| 5253645 | Method of producing an audible alarm in a blood pressure and pulse oximeter monitor A patient monitoring system includes a pulse oximeter sensor and an audible alarm which is not produced when a blood pressure module is taking measurements, but only during that portion of the cycle that affects the pulse oximeter reading. During such mea... | 10/19/1993 |
| 5205281 | Oral airway with oximetry means The present invention discloses an oral airway for insertion within a surgical patient's mouth and over the patient's tongue for preventing blockage of the pharynx during surgical and like procedures. According to the present invention, the airway is prov... | 04/27/1993 |
| 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 |
| 5040538 | Pulsed light blood oxygen content sensor system and method of using same A sensor for use with a rate-responsive pacemaker is disclosed which is responsive to blood oxygen content, thereby allowing the cardiac rate of the pacemaker to closely mimic the natural response pattern of the heart to changing physiological need. The s... | 08/20/1991 |
| 4889116 | Adaptive control of neonatal fractional inspired oxygen An adaptive controller for delivering fractional inspired oxygen to a patient. The controller utilizes a pulse oximeter connected by an optical sensor to the patient for measuring the patient's blood hemoglobin saturation and pulse rate. Signals from the ... | 12/26/1989 |
| 4815469 | Implantable blood oxygen sensor and method of use An implantable medical sensor (42) determines the oxygen content of blood. The sensor includes a miniaturized hybrid circuit (130) that includes light-emitting diode means (32), phototransistor means (34, 36), and a substrate (110) to which the light-emit... | 03/28/1989 |
| 4813421 | Oxygen sensing pacemaker A heart pacemaker including a two wave length reflectance oximeter for determining oxygen saturation. The pacing rate is increased or decreased in response to the measured oxygen saturation. By appropriate multiplexing and timing functions, the two wave l... | 03/21/1989 |
| 4807632 | Measuring instrument for intracardial acquisition of the blood oxygen saturation of a patient for controlling the pacing rate of a heart pacemaker A measuring instrument for the intracardial acquistion of the blood oxygen saturation of a patient for use in controlling a heart pacemaker implanted in the patient has a measuring probe with a measuring current path which includes a light transmitter and... | 02/28/1989 |
| 4807629 | Oxygen sensing pacemaker A heart pacemaker including a two wave length reflectance oximeter for determining oxygen saturation. The pacing rate is increased or decreased in response to the measured oxygen saturation. By appropriate multiplexing and timing functions, the two wave l... | 02/28/1989 |
| 4791935 | Oxygen sensing pacemaker A heart pacemaker including a two wave length reflectance oximeter for determining oxygen saturation. The pacing rate is increased or decreased in response to the measured oxygen saturation. By appropriate multiplexing and timing functions, the two wave l... | 12/20/1988 |
| 4779187 | Method and operating system for executing programs in a multi-mode microprocessor Improved methods and operating systems for use with a multi-mode microprocessor enable efficient operation in a multi-mode environment. Preferred embodiments for use with microprocessors which were not designed to switch from each mode to another mode ena... | 10/18/1988 |
| 4727879 | Measurement device for intracardial acquisition of blood oxygen saturation A measurement device for frequency control of a heart pacemaker based on the level of blood oxygen saturation contains a measuring probe which includes a light transmitter and a light receiver. The light receiver receives the light emitted by the light tr... | 03/01/1988 |
| 4399820 | Process and device for regulating the stimulation frequency of heart pacemakers A process and a device for regulating the stimulation frequency of heart pacemakers are disclosed. The process comprises generating with the aid of light emitted by a light-emitting element, reflected by the blood of a patient, and received by a light-rec... | 08/23/1983 |