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7604605 |
Device, system, and method for detecting and localizing obstruction within a blood vessel
The present invention is of system, device, and method for detecting and localizing obstruction in a blood vessel. More particularly, the present invention is of a balloon catheter having an...
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7590449 |
Patient signaling method for treating cardiovascular disease
A method of treating cardiovascular disease in a medical patient is provided. The method includes the steps of generating a sensor signal indicative of a fluid pressure within the left atrium of...
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7418868 |
Pressure sensor and method of fabricating such a module
A body fluid pressure sensor module according to the invention comprises a housing having a first end and a second end and enclosing a pressure sensor. The pressure sensor is electrically coupled...
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7373826 |
Method for manufacturing a fluid pressure measurement unit and a component for being used in a fluid pressure measurement unit
A fluid pressure measurement unit is manufactured by steps of providing a measurement element with a measurement chip arranged on a first chip carrier side and a plurality of socket-shaped terminal...
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7347826 |
Packaging sensors for long term implant
According to this technique of packaging a sensor device implantable in a living body so as to provide protection of the sensor device and to the living body itself, an electrical conductor of the...
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7097620 |
Guidewire with pressure and temperature sensing capabilities
A guide wire having pressure sensing capabilities for measuring the pressure of liquid in a vessel comprising a flexible elongate member and having proximal and distal extremities and having an...
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7081683 |
Method and apparatus for body generation of electrical energy
Method and apparatus for generating electrical energy from a subject's body by sensing pulsations of a part of the subject's cardiovascular system and converting such pulsations into electrical...
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7074191 |
Method and device for non-intrusive measurement of blood pressure in a circuit of a dialysis machine
A method for the non-intrusive measurement of blood pressure in a circuit of a dialysis machine, using a device provided with a sleeve forming a portion of the blood circuit and having at least one...
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7018336 |
Implantable sensor flush sleeve
A apparatus and method for cleaning a sensor tip of an implantable sensor includes a flush sleeve directed towards the sensor tip, a fluid conduit in fluid communication with the flush sleeve,...
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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...
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6976965 |
Ultra miniature pressure sensor
A guide wire having pressure sensing capabilities for measuring the pressure of liquid in a vessel comprising a flexible elongate member and having proximal and distal extremities and having an...
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6976964 |
Pressure measurement device comprising a motorized load sensor and a process for controlling the device
A device for measuring the pressure of blood, intended to engage with a section ( 16 ) for measuring the pressure of blood, which section includes a membrane ( 38 ) which is axially deformable...
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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...
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6890303 |
Implantable device for monitoring aneurysm sac parameters
A device for measuring physiological parameters within an aneurysm sac that has been excluded from blood flow by an endoprosthesis. The device is comprised of at least two sensors, one placed in...
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6868720 |
Testing of pressure sensor in surgical cassette
A method of determining the accuracy of a pressure sensor in a surgical cassette is disclosed. The method involves displacing a diaphragm of the sensor a pre-defined amount of displacement, and...
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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...
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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...
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6779257 |
Method of making a flexible elongate member
A method of making a flexible elongate member includes the steps of providing a core wire having a proximal region and a distal region, attaching an electrical device to the distal region of the...
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6733459 |
Balloon catheter for intra-aortic balloon pump apparatus
A balloon catheter for intra-aortic balloon pump which measures accurate blood pressure at the predetermined position of balloon introduced percutaneously and ensures the second lumen when catheter...
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6689068 |
Automatic pressure range and sensitivity adjustment
The invention automatically adjusts the parameters that map pressures at a monitoring site, such as blood pressures in the chamber of a heart, to digital values. Adjusting the mapping parameters...
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6669647 |
Sensing device and method for determining aneurysmal pressure in a body cavity
A device for sensing aneurysmal pressure in a body cavity includes a housing including at least one chamber formed therein. A first fluid is positioned in a first portion of the chamber. A second...
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6652464 |
Intracardiac pressure monitoring method
A method for telemetrically measuring a parameter in a patient's heart comprises the steps of imaging the heart and identifying an implantation site in the heart. An opening is created in the...
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6635020 |
Reusable fluid pressure transducer monitoring apparatus
An apparatus for monitoring fluid pressure includes a reusable base section, and a disposable dome section detachably connected to the base section. The disposable dome section defines a fluid...
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6585660 |
Signal conditioning device for interfacing intravascular sensors having varying operational characteristics to a physiology monitor
A signal conditioning device is disclosed that interfaces a variety of sensor devices, such as guide wire-mounted pressure sensors, to physiology monitors. The signal conditioning device includes a...
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6536278 |
Transducer protection device, particularly for hemodialysis processes
A transducer protection device, particularly for hemodialysis processes, which comprises a first element and a second element made of plastics which are coupled coaxially with respect to a common...
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6524256 |
Implantable measuring device, particularly a pressure measuring device for determining the intracardial or intraluminal blood pressure
An implantable measuring device includes a catheter-like main body that can be positioned in a body cavity. The main body has a pressure-sensitive sensor thereon and a signal line is coupled to the...
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6511434 |
Blood-pressure transducer assembly
A unitary blood-pressure transducer assembly for inclusion in a system adapted to monitor the blood pressure of a patient while the patient is being supplied through a supply line leading to a...
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6454721 |
Method and apparatus for estimation of pulmonary capillary pressure
A medical device for triggering the inflation of a pulmonary artery catheter balloon. The device generally comprises a waveform analysis machine that monitors the pulmonary artery blood pressure...
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6264612 |
Catheter with mechano-responsive element for sensing physiological conditions
A catheter for sensing vertebrate conditions has plural piezoresistive sensors directly electrically coupled to discrete application specific integrated circuits. A mechano-responsive element is in...
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6264611 |
Monitor for interventional procedures
A ball-shaped semiconductor monitoring device (150) having one or more transducer functions for use with an instrument that is insertable into a human body. In one disclosed embodiment, a needle...
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6221024 |
Implantable pressure sensor and method of fabrication
A body implantable pressure sensor attached to an endocardial lead for implantation in a heart chamber or cardiac blood vessel for sensing blood pressure and providing blood pressure signals to an...
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6221023 |
Sensor for intra-corporeal medical device and a method of manufacture
A sensor mounted on the distal end of an intra-corporeal catheter detects pressure applied thereto. The sensor includes a chip that is deformable in accordance with pressure applied thereto, strain...
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6214634 |
Sensor device and method of forming a sensor device
A sensor device (20) comprises a sensor package (22) having a cavity (24) formed therein, a sensor die (26) mounted on a bottom surface (28) of the cavity (24) and a protective coating (30) formed...
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6210339 |
Flexible elongate member having one or more electrical contacts
A flexible elongate member such as a pressure guide wire (1000) includes an electrical device such as a pressure sensor (1002). The pressure sensor (1002) is electrically connected to conductive...
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6171253 |
Flat tube pressure sensor
A pressure sensor includes a tube for channeling a fluid therethrough. A seat is disposed in an outer surface of the tube, with a flexible diaphragm at the bottom thereof. The diaphragm is planar,...
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6171252 |
Pressure sensor with increased sensitivity for use with an implantable medical device
An apparatus and method for obtaining pressure data using a body implantable pressure sensor includes a measurement capacitor which is responsive to pressure changes of a body fluid. Non-constant,...
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6168566 |
Pressure sensing device
A pressure sensing device includes a housing having an interior sized for containing a flexible diaphragm, the deflection of which causes subsequent movement of a movement mechanism relative to an...
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6162182 |
Pressure tip cannula
A cannula that is usable to remove blood from a patient during an operation such as bypass surgery where the cannula has a pressure sensor in the form of an electronic piezoresistive chip located...
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6139503 |
Invasive blood pressure measurement device
A pressure transducer arrangement featuring a holding element for a number of pressure transducers. For each pressure transducer a group of electronic counter-contacts is provided on the holding...
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6120457 |
In vivo zeroing of catheter pressure sensor
A catheter-based physiological pressure sensing device, which can be calibrated in vivo, is disposed in the distal end of a catheter, and is preferably in the form of a bulb-like device. The...
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6117086 |
Pressure transducer apparatus with disposable dome
A physiological pressure transducer is disclosed which can be adapted for multiple uses and which employs a low cost semiconductor strain gauge sensor. The transducer is connected to a fluid-filled...
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6106477 |
Chronically implantable blood vessel cuff with sensor
A system for chronically measuring a physiologic parameter by an implantable device which has several forms is described. At its core a fixture for holding on to a blood vessel and forcing a sensor...
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6106476 |
Ultra miniature pressure sensor and guide wire using the same and method
A guide wire having pressure sensing capabilities for measuring the pressure of liquid in a vessel comprising a flexible elongate member and having proximal and distal extremities and having an...
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6077227 |
Method for manufacture and implant of an implantable blood vessel cuff
A method for construction ond delivery of a novel implantable medical device provides for use of a kit having sizeable fixture components for holding a blood vessel and a sensor portion connectable...
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6056697 |
Pressure catheter calibration chamber
An apparatus and method for calibrating the pressure readings obtained by catheter tip pressure transducers. The apparatus includes a Plexiglas vessel covered by a closure containing eight catheter...
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6052613 |
Blood pressure transducer
This invention relates to a blood pressure transducer (8) and provides a safe and economical transducer by providing a novel optical fiber (80) made of a transparent elastomer. The present...
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6019729 |
Sensor mechanism-equipped catheter
A sensor mechanism-equipped catheter is easy to produce, suitable for a diameter reduction, and achieves a high sensing precision. In a catheter, a sensor assembly has a pressure-receiving piston,...
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5987995 |
Fiber optic pressure catheter
A fiber optic pressure catheter includes a light source, an optical fiber coupled to receive light from the light source and a sensor head that is optically coupled to the optical fiber. The sensor...
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5957853 |
Self levelling biological pressure transducer means with input excitation voltage matching amplifier
A biological pressure measuring system with a transmission device for transmitting a biological pressure at a biological location to a pressure monitor/transducer for measuring the biological...
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5954657 |
Captive deadender for luer fitting
A captive deadender cap for use in venting the patient side chamber of a disposable pressure transducer through a vent port. The captive deadender cap includes retention tabs formed along the...
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