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| Number | Title | Issue Date |
| 8025623 | Pressure sensing module for a catheter pressure transducer The present invention relates to a pressure sensor module for use in catheters having a pressure sensor operable to provide a signal representative of pressure. The pressure sensor includes a sensing side and a pressure reference side. At least one signal transmissi... | 09/27/2011 |
| 7731664 | Pressure sensing module for a catheter pressure transducer The present invention relates to a pressure sensor module for use in catheters having a pressure sensor operable to provide a signal representative of pressure. The pressure sensor includes a sensing side and a pressure reference side. At least one signal transmissi... | 06/08/2010 |
| 7182847 | System and probe for monitoring pH levels of a sample medium A system for monitoring a pH level of a sample medium is disclosed herein as including a pH probe having a pH-sensitive electrode, a reference electrode and a temperature electrode arranged within a housing of the pH probe. The probe housing generally includes a fle... | 02/27/2007 |
| 7013702 | Dynamic pressure generator A device, system, and method for determining the sensing performance of pressure-sensing devices. The device generates dynamic pressure waveforms that enable researchers and medical personnel to accurately assess the characteristics and performance of a particular p... | 03/21/2006 |
| 6994695 | Pressure sensing module for a catheter pressure transducer The present invention relates to a pressure sensor module for use in catheters having a pressure sensor operable to provide a signal representative of pressure. The pressure sensor includes a sensing side and a pressure reference side. At least one signal transmissi... | 02/07/2006 |
| 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 |
| 6918873 | Inverted sensor module An inverted sensor module for sensing physical and chemical fluid characteristics in a vessel in a living body. The inverted sensor module includes an inverted sensor bonded to a hollow carrier so that sensing occurs in the lumen of the inverted sensor module. An in... | 07/19/2005 |
| 6817983 | External fluid-filled catheter pressure transducer An external fluid-filled catheter pressure transducer for monitoring fluid pressure characteristics in a vessel in a living body. The external fluid-filled catheter pressure transducer includes an inverted sensor bonded to a hollow carrier so that measuring occurs o... | 11/16/2004 |
| 6398738 | Method and apparatus for reconstructing a high fidelity pressure waveform with a balloon catheter The invention provides a method and system for reconstructing a high-fidelity pressure waveform with a balloon catheter used in a heart. First, a balloon catheter having an air line is inserted into the aorta of the heart. The air line is then closed and ... | 06/04/2002 |
| 6394986 | Pressure sensing module for a catheter pressure transducer The present invention relates to a pressure sensor module for use in catheters having a pressure sensor operable to provide a signal representative of pressure. The pressure sensor includes a sensing side and a pressure reference side. At least one signal... | 05/28/2002 |
| 5902248 | Reduced size catheter tip measurement device A device that contemplates a unique and advantageous reduced size catheter tip measurement device. By using a bottom support member and a thin outer insulating layer, rather than a tubular metal casing, to support and isolate the electrical measurement se... | 05/11/1999 |
| 5503156 | Noninvasive pulse transducer for simultaneously measuring pulse pressure and velocity A pulse transducer is disclosed having a pressure sensor for detecting pulse pressure and a velocity sensor for simultaneously detecting pulse velocity in blood vessels. The present invention allows reproduction of pulse pressure and velocity waveforms. T... | 04/02/1996 |
| 5431628 | Pressure-sensing diagnostic catheter The invention relates to catheters having a distally-mounted balloon and pressure sensor and to methods of placing such catheters within physiological vessels. Catheters have a central lumen extending through the catheter and a pressure sensor which lies ... | 07/11/1995 |
| 5191898 | Method and assembly for measuring intracranial fluid characateristics A method and assembly is provided which allows measurement of intracranial fluid charateristics at the intracranial region of the brain. The invention contemplates a method of implanting a ventricular catheter having one end residing in the ventricular re... | 03/09/1993 |
| 5046497 | Structure for coupling a guidewire and a catheter A method and system for introducing one or more devices into a biological fluid vessel. The system includes a device having a coupling structure comprising a pair of spaced-apart fingers adapted for receiving a guidewire therebetween. Preferably, the syst... | 09/10/1991 |
| 4966148 | Assembly for positioning diagnostic devices in a biological vessel A method and assembly for inserting one or more diagnostic sensors into a biological fluid vessel for diagnosing the condition of the vessel or fluid. Different types of diagnostic sensors, such as pressure, velocity, pH, temperature, or infusion catheter... | 10/30/1990 |
| 4901731 | Single sensor pressure differential device An apparatus and method for sensing in vivo the fluid pressure differential between spaced locations in a biological fluid vessel using a single pressure transducer. The transducer has a deformable member mounted to a housing; a conduit extends within the... | 02/20/1990 |
| 4850358 | Method and assembly for introducing multiple devices into a biological vessel A method and assembly for inserting a plurality of sensors into a biological fluid vessel for diagnosing the condition of the vessel or fluid. A pressure sensor is described which is particularly adapted for use with a steerable guidewire for selective po... | 07/25/1989 |
| 4771782 | Method and assembly for introducing multiple catheters into a biological vessel A method and assembly for inserting a plurality of sensors into a biological fluid vessel for diagnosing the condition of the vessel or fluid. A pressure sensor is described which is particularly adapted for use with a steerable guidewire for selective po... | 09/20/1988 |
| 4175566 | Catheter fluid-velocity flow probe A catheter fluid-velocity flow probe is disclosed which has greater sensitivity and which dissipates less heat during operation than flow probes heretofore constructed. These significant results are achieved by providing two electromagnets in the probe to... | 11/27/1979 |
