Class 600/327 - Inserted in body

Subclass of Class 600 - Surgery
Definition: Subject matter wherein the means to measure the various
No. of patents: 22
Last issue date: 03/01/2011

Number	Title	Issue Date
7899508	Intracorporeal impedance and leak monitoring device The system and method may measure and monitor physiological changes in a body. In some embodiments, the system and method may measure the impedance at a site in the body. In some embodiments, the system and method identify, quantify, and localize leaks from a site f...	03/01/2011
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
7011761	Red blood cell processing systems and methods which control red blood cell hematocrit Processing systems and methods comprise a separation device that, in use, performs a separation process including separation of red blood cells from blood or a suspension containing red blood cells. The systems and methods include an outlet line coupled to the separ...	03/14/2006
6970492	DUV and VUV laser with on-line pulse energy monitor A beam parameter monitoring unit for coupling with an excimer or molecular fluorine (F2) laser resonator that produces an output beam having a wavelength below 200 nm includes an on-line laser pulse energy detector. This, in turn, allows output pulse ener...	11/29/2005
6758835	Disposable needle assembly having sensors formed therein permitting the simultaneous drawing and administering of fluids and method of forming the same A micro-injection molded disposable needle assembly having more than one passageway formed therein to permit the simultaneous drawing and administering of fluids through separate passageways is disclosed. The micro-injection molded disposable assembly includes one o...	07/06/2004
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
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
6370408	Medical sensor with amplitude independent output The present invention provides a medical sensor for detecting a blood characteristic. The sensor includes a transducer for producing an analog signal related to the blood characteristic. The analog signal is converted into a transmission signal which is i...	04/09/2002
5830138	Intravascular catheter probe for clinical oxygen, pH and CO₂ measurement Methods and apparatus for the measurement of oxygen, pH and CO2 in human and animal tissue is provided, in which the compounds preferably include a chromophore and/or fluorphor capable of absorbing an amount of energy and subsequently releasing...	11/03/1998
5394199	Methods and apparatus for improved visualization of choroidal blood flow and aberrant vascular structures in the eye using fluorescent dye angiography A method for visualizing the choriocapillaris of the eye in a sequence of ICG angiographic images comprising subtracting each image in the angiographic sequence from a succeeding image. In practice, a modified fundus camera is used to provide digitized im...	02/28/1995
5383453	Method for manufacturing an optical probe An improved optical probe for the invasive measurement of blood parameters is disclosed that minimizes reading inaccuracy due to mechanical stresses. An optical probe for the invasive measurement of blood parameters is typically made up of various sensors...	01/24/1995
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
5300769	Method and system of compensating for signal artifacts in a fiber-optic sensing system A method and system for controlling the intervals during which light signals are sampled in a fiber-optic sensing system compensates for signal artifacts that are caused by movement of the fiber-optic waveguide during the sampling. The method and system s...	04/05/1994
5280786	Fiberoptic blood pressure and oxygenation sensor A fiberoptic based sensor for patient care use. The sensor includes a catheter placed transcutaneously into a blood vessel which is connected to an external measuring head. A sensing tip of the catheter includes a pressure sensing element and an oxygen sa...	01/25/1994
5098659	Apparatus for continuously monitoring a plurality of chemical analytes through a single optical fiber and method of making A CO2 /O2 or pH/O2 gas sensor comprising a single optical fiber and a method for making the same. The optical fiber carries light signals at different wavelengths for monitoring either CO2 concentration or pH le...	03/24/1992
5048524	Blood parameter measurement A method and apparatus for measuring the oxygen saturation level and hematocrit of human blood in real time. A catheter having a notch in its tip is inserted into a blood vessel and guided to a desired location in the body of a patient. Bursts of light at...	09/17/1991
4830013	Intravascular blood parameter measurement system A parameter of blood is sensed in vivo with a system which includes a catheter and a probe. The catheter has a lumen extending therethrough, a proximal end, a distal end and a distal opening at the distal end. The probe includes one or more sensors at its...	05/16/1989
4785814	Optical probe for measuring pH and oxygen in blood and employing a composite membrane An optical probe is presented for use in measuring pH and oxygen content in blood in a blood vessel within a living body. An elongated flexible optical fiber means is provided which has a proximal end and a distal end. The distal end is adapted to be inse...	11/22/1988
4776340	Hematocrit measurement by differential optical geometry in a short-term diagnostic cardiovascular catheter, and application to correction of blood-oxygen measurement An optical fiber carries a light beam through a cardiovascular catheter and projects the beam into the patient's bloodstream. Two other fibers, spaced in a very carefully controlled configuration from the first, receive light scattered by corpuscles (and ...	10/11/1988
4752115	Optical sensor for monitoring the partial pressure of oxygen A device is described for sensing oxygen, particularly for use in medical applications. The device includes an optical waveguide and an oxygen sensing medium disposed on the waveguide. The sensing medium fluoresces in response to light from a light source...	06/21/1988
4444498	Apparatus and method for measuring blood oxygen saturation A device and method for measuring blood characteristics and parameters, especially arterial, venous, or differential blood oxygen saturation levels uses one or two probes containing a unique configuration of light emitters of two different wavelengths, an...	04/24/1984

PatentStorm

Bizarre Patents

PatentStorm News

Class 600/327 - Inserted in body