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8827929 Method and apparatus for determining the distensibility of a vessel, lumen or a sphincter  
An apparatus for measuring distensibility of a vessel, lumen or sphincter includes a balloon catheter having a balloon located adjacent a distal end of a catheter for inserting in, for example,...
8777850 Heart failure patient management using an implantable monitoring system  
An implantable medical device system and method provide physiological variable monitoring for use in patient management. A target value for a physiological variable and formulations for computing...
8529458 Method and apparatus for assessment of fluid responsiveness  
Methods and apparatus for determining a cardiac parameter from cardiovascular pressure signals including arterial blood pressure (ABP) and the photoplethysmographic signal to quantify the degree...
8522618 Disposable manometer for use with magnetic resonance imaging  
A disposable manometer includes a chamber connectable to a source of respiratory gases via a patient breathing valve and a passageway. A pointer is rotatably disposed with respect to a dial to...
8251092 Flow based pressure isolation mechanism for a fluid delivery system  
The fluid delivery system includes a pressurizing device for delivering a pressurized injection fluid, a low pressure fluid delivery system, and a pressure isolation mechanism adapted for fluid...
7972141 Blood pressure simulation apparatus with tactile feedback  
Many people do not have a physical feeling for what normal and abnormal blood pressure levels mean in relation to the forces exerted on the heart and blood vessels. A blood pressure simulation...
7780605 Blood pressure measuring apparatus enabling accurate blood pressure measurement  
A blood pressure measuring apparatus includes a plurality of mechanisms compressing a cuff, and the mechanisms are separately controlled. Therefore, a stable measurement attitude is maintained...
7654963 Device for visually indicating a blood pressure  
An indicator device for visually indicating a pressure of blood inside a blood vessel includes: a body, the body comprising a duct extending in the body and having a sealed proximal end; a distal...
7618370 Venous-arterial detector and pressure indicator  
A venous-arterial detector is disclosed. The detector includes a first chamber in fluid communication with a needle, and an indicator chamber in selective fluid communication with the first...
7441321 Method of manufacturing ultrasound transducer device having acoustic backing  
An ultrasonic transducer device comprising: an ultrasonic transducer array micromachined on a substrate; flexible electrical connections connected to the transducer array; and a body of...
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...
6485428 Apparatus for and method of intravasal pressure measurement and low-contamination insertion of catheters for example into blood vessels  
The invention concerns a one-person-operable, sterilisable, medical pressure measuring apparatus (1: 6: 8: 11: 12: 23: 31), in particular for blood pressure measurement, wherein the pressure...
6434411 Method for measuring a conductive volume and device for implementing this method  
This invention relates to a process for measuring at least one dimension of a conducting volume, in which a measurement sensor (10) is placed in a cavity existing inside an homogeneous conducting...
6290652 Correction of blood pressure measurements in invasive liquid-filled systems  
The invention relates to a method for the correction of measured value falsifications in invasive pressure measurements with a fluid-filled system, in which the measured pressure is passed via the...
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...
5758652 System and method to measure the condition of a patients heart  
A system and method for measuring the heart condition of a patient is disclosed. The system includes a measuring device used to generate an absolute blood pressure signal indicative of the...
5691478 Device and method for remote zeroing of a biological fluid pressure measurement device  
A device and method for remotely zeroing a hydrostatic pressure compensation device are described which permit a fluid transducer, such as is used in conjunction with an intravenous catheter for...
5579774 Method and apparatus for monitoring local cerebral physiology  
An apparatus for continuous monitoring of cerebral blood flow and intracranial pressure for substantially the same local region of cerebral tissue. A combined probe includes an elongated housing...
5490514 Medical manometer with flexible fluid collection tube  
A medical manometer replaces the conventional rigid vertical graduated cylinder with a flexible, graduated tube which is sufficiently pliable that it may be bent to drain the fluid collected...
5454374 Pressure-measuring method and needle system for hemodialysis  
A method and devices for measuring pressure within blood vessels used for hemodialysis and also for flow of blood into or from such blood vessels during hemodialysis. In one aspect of the method,...
4928693 Pressure monitor catheter  
A blood pressure monitoring catheter for use in a Monorailâ„¢ intravascular system for measuring the pressure gradient across a stenotic lesion. It comprises an elongated, flexible, plastic,...
4857043 Apparatus and methods for measuring pulsatile blood process stream pressure  
A positive gauge blood pressure signal is transmitted to a gas column from a pulsatile blood flow stream hydrostatically higher than the pressure transducer. Particularly, a first conduit having a...
4809709 Pressure-sensing catheter system with compensation for atmospheric and configuration variations  
A catheter incorporates a pair of flexible conduits which are structurally united over a major portion of their length where bending is likely to occur during use so they both undergo the same...
4790328 Device for diagnosis and treatment of urinary incontinence  
A cystometric device for use in the diagnosis and treatment of urinary incontinence caused by detrusor instability. The device includes an opaque, vertically-elongated, rigid body of substantially...
4785821 Pressure monitor and regulating device for administration of medicament  
A device for monitoring and limiting the fluid pressure during parenteral or intravenous administration of medication to a patient. The device includes a manometer tube connected at its lower end...
4669484 Automatic leveling device for hemodynamic pressure measuring system  
The present leveling device is operable with a hemodynamic pressure measuring system which includes a pressure catheter to be implanted in the body of the patient and pressure measuring device...
4648406 Physiological pressure measuring system  
A physiological pressure measuring system usable in conjunction with an intravascular infusion line leading to a patient whose pressure is to be monitored. The system includes a detector having a...
4621647 Intracranial pressure regulating system  
Apparatus for monitoring and regulating intracranial pressure. Primary components are a manometer tube connected to a fluid collector, a transducer for dynamic electronic monitoring, and an...
RE31873 Venous catheter device  
A venous catheter device including a plurality of independent and noncommunicating fluid conveying lumens housed within or formed in a single catheter. One end of each lumen is adapted to be...
4431009 Apparatus for measuring blood pressure  
The open end of a catheter is inserted in the blood vessel of a patient. The catheter is connected by hollow tubing to a physiologic pressure transducer. The tube is filled with an intermediate...
4337780 Muscle testing apparatus  
A technique and apparatus for muscle strength testing. A gauged pressure sensitive device is applied to the muscle while pressure to the muscle is gradually increased to a point just short of the...
4335729 Apparatus and method for suppressing resonance in an electromanometry system  
A novel apparatus and method for suppressing unwanted resonance in an electromanometry system. The apparatus includes a compliant air cavity connected through a variable impedance device which is...
4301811 Cystometry system  
A cystometry system to measure the pressure-volume relationship in the bladder of a patient from a source of fluid comprising, a catheter having an elongated shaft defining an infusion lumen...
4300572 Fluid administering and pressure sensing apparatus  
An apparatus for selectively measuring central venous pressure and effecting hyperalimentation through a single catheter inserted into a central vein of the patient. The apparatus includes a...
4282881 Manometer for infusion apparatus  
A manometer for measuring the hydrodynamic pressure of fluids parenterally administered to a patient. The manometer includes a transparent housing which has a passageway formed in the housing that...
4170224 Body fluid measuring device  
In apparatus for indicating and regulating the pressure of a selected body fluid, an elongated indicator tube with pressure limiting opening means is carried in a vented chamber and mountable in a...
4135509 Fluid pressure manometer  
A disposable venous blood pressure manometer of provided which includes a transparent tray having a longitudinal interior channel with a transparent plastic manometer tube disposed in the channel,...
3980082 Venous pressure indicator  
An intravenous infusion system combined with a venous pressure measuring instrument whereby the system is selectively capable of supplying fluid into the vein of a patient or of measuring his...
3934576 Central venous catheter system  
Apparatus for safe puncturing of a central vein having a flexible catheter and a one-way valve connected thereto. A flexible extension tube connects the catheter with a multiway valve for...
3874369 METHOD OF MONITORING VENOUS OR ARTERIAL PRESSURE  
A method of monitoring venous or arterial pressure with the aid of an elongated element comprising a blood pressure transmitting vehicle positioned in a body lumen. The elongated element may be a...
3807389 MEDICAL INSTRUMENT FOR MEASURING FLUID PRESSURE  
A medical instrument for measuring fluid pressure interposable in any of a variety of intravascular infusion apparatus. The instrument includes a body having a through passage, a closed chamber...
3730168 MANOMETER  
A manometer for measuring liquid pressure having a channel which opens into an attaching device for connecting the channel to liquid under pressure, said attaching device including a conduit which...
3693612 MANOMETER WITH SLIDING ADJUSTABLE SCALE AND MENISCUS INDICATOR  
Disclosed herein is an improved manometer in which the calibrated scale for reading the fluid pressure is provided on a transparent sheath rather than directly on the manometer tube, the sheath...
3690312 VENOUS PRESSURE MANOMETRIC WITH LEVEL MAGNIFYING MEANS  
Venous pressures are easily and accurately measurable with a manometric device, closed at one end to substantially lessen the possibility of retrograde infection and having a sight glass affixed...
3636942 CENTRAL VENOUS PRESSURE MONITOR TUBE SUPPORT ARRANGEMENT  
A support arrangement for a central venous pressure monitor tube to maintain the monitor tube in substantial vertical position and its lower end in a predetermined horizontal alignment with a...
3610230 MANOMETER WITH A BALLOON SEALING THE UPPER END THEREOF AND METHOD OF USING SAME  
A manometer for measuring and indicating venous pressure in the human body by observation of the height of a column of liquid in continuous fluid communication with the interior of a vein,...
3602214 METHOD OF PHANTOM LEVEL SENSING IN A CENTRAL VENOUS PRESSURE MONITORING SYSTEM  
Method of sensing phantom level in central venous pressure monitoring systems of the type supporting liquid in column relatively to the right atrial chamber of the heart. The method includes...
3590818 COMBINATION REFERENCE LEVEL INDICATOR, MANOMETER, INTRAVENOUS FLUID SUPPLY MEANS AND MEANS PERMITTING RAPID ADJUSTMENT OF REFERENCE LEVELS IN ACCORDANCE WITH SHIFT IN PATIENT ELEVATION  
The disclosure disposes a reference level indicator gauge, rapidly adjustable on an adhesive strip to establish a patient reference (right atrium) elevation adjacent a manometer on a corresponding...
3590809 METHOD FOR CENTRAL VENOUS PRESSURE MONITORING  
Method of central venous pressure monitoring including inserting a catheter in the right atrial cardiac chamber, supporting a vertical column of liquid above said chamber, transmitting light...
3561431 CENTRAL VENOUS PRESSURE MONITOR SYSTEM AND MANOMETER SCALE THEREFOR  
A system for monitoring the central venous pressure of a medical patient and, in particular, a manometer scale and flexible manometer-tube combination in such system wherein the liquid level in...

Matches 1 - 50 out of 62 1 2 >