Matches 401 - 432 out of 432 < 1 2 3 4 5 6 7 8 9
Match Document Document Title
5690108 Interventional medicine apparatus  
Apparatus for assisting in the manual location, vectoring, and insertion of a medical instrument relative to a patient's body using medical imaging equipment providing a cross-sectional imaging...
5671739 Imaging of interventional devices during medical procedures  
A tracking system monitors the position of a device within a subject and superimposes a graphic symbol on a diagnostic image of the subject. Registration of the tracked location with the diagnostic...
5645065 Catheter depth, position and orientation location system  
A system for externally locating a sensor in tissue, comprising an external probe including at least first and second electromagnetic output coils with non-parallel longitudinal axes; and output...
5638819 Method and apparatus for guiding an instrument to a target  
A system (10) presents a graphic guidance object (46) in a display screen (40) to aid a surgeon in guiding a probe (12) from an initial point (82) relative to a body (14) along a desired trajectory...
5622170 Apparatus for determining the position and orientation of an invasive portion of a probe inside a three-dimensional body  
System for sensing at least two points on an object for determining the position and orientation of the object relative to another object. Two light emitters mounted in spaced relation to each...
5622169 Apparatus and method for locating a medical tube in the body of a patient  
There is disclosed an apparatus and method for locating a medical tube within the body of a patient. The medical tube is located by a detection apparatus which senses the static magnetic field...
5617857 Imaging system having interactive medical instruments and methods  
The invention provides an improved imaging system and method. The imaging system is of the type having a medical instrument including a source for emitting detectable energy and an instrument body...
5611345 Medical instrument with improved ultrasonic visibility  
A medical instrument, and in particular, a needle, having improved reflective properties and enhanced ultrasonic visibility when used in conjunction with an ultrasonic imaging system is disclosed....
5513637 Method and apparatus for determining the position of catheters, tubes, placement guidewires and implantable ports within biological tissue  
A method and apparatus for determining accurately, both during and after insertion, the full length position of catheters (including implanted ports), tubes and placement guidewires within...
5494035 Method for detecting presence of ferromagnetic objects in a medical patient  
Medical patients are screened prior to magnetic resonance imaging by using a superconducting quantum interference device magnetometer to detect the unknown presence of an implanted ferromagnetic...
5445150 Invasive system employing a radiofrequency tracking system  
An invasive imaging system employs a self-contained RF transmitter attached to an invasive device which allows tracking of the invasive device within a subject without physical connections to a...
5437277 Inductively coupled RF tracking system for use in invasive imaging of a living body  
RF tracking system employs a RF invasive device coupled to surgical tracking equipment for tracking the invasive device. An inductive coupling permits the device to be quickly coupled to, and...
5386828 Guide wire apparatus with location sensing member  
The invention is directed to a guide wire apparatus and a method for detecting the location of a guide wire within the body of a patient. The apparatus includes a guide wire with an...
5377678 Tracking system to follow the position and orientation of a device with radiofrequency fields  
A tracking system in which radiofrequency signals emitted by an invasive device such as a catheter, are detected and used to measure the position and orientation of the invasive device. The...
5353795 Tracking system to monitor the position of a device using multiplexed magnetic resonance detection  
A tracking system employs magnetic resonance signals to monitor the position of a device such as a catheter within a subject. The device has a receiver coil which is sensitive to magnetic resonance...
5325873 Tube placement verifier system  
A system for detecting the position of an object within a body of biological tissue includes a resonant circuit attached to the object and a probe including a receiver/transmitter that operates at...
5318025 Tracking system to monitor the position and orientation of a device using multiplexed magnetic resonance detection  
A tracking system employs magnetic resonance signals to monitor the position and orientation of at least one device such as a catheter within a subject. The device has a plurality of receiver coils...
5273025 Apparatus for detecting insertion condition of endoscope  
An apparatus is provided for detecting an endoscopic inserting condition. The apparatus includes an irradiation arrangement for applying electromagnetic waves to the inside of an organism from...
5265610 Multi-planar X-ray fluoroscopy system using radiofrequency fields  
During an X-ray fluoroscopy procedure, the position and orientation of an invasive device, such as a catheter, are measured with radiofrequency fields. The invasive device has a transient coil...
5257636 Apparatus for determining position of an endothracheal tube  
An apparatus for determining the optimum position of an endotracheal tube while allowing simultaneous ventilation of a patient with the endotracheal tube is disclosed. This apparatus contains a...
5255680 Automatic gantry positioning for imaging systems  
A tracking system which measures the position and orientation of invasive devices is used to automatically control the location of the X-ray imaging system gantry and/or patient table. The position...
5253647 Insertion position and orientation state pickup for endoscope  
A position and orientation state pickup is designed to detect the position and orientation state of an endoscope inserted into a living body without any adverse effect on the living body, which is...
5251635 Stereoscopic X-ray fluoroscopy system using radiofrequency fields  
During an X-ray procedure, the position and orientation of an invasive device, such as a catheter are measured with radio frequency fields and displayed stereoscopically. Instantaneous...
5099845 Medical instrument location means  
An instrument location determining device which has a radiating element forming part of the instrument to be inserted into an object. The element radiates a signal and the signal is detected by at...
5042486 Catheter locatable with non-ionizing field and method for locating same  
A catheter locatable with a non-ionizing field, such as an electromagnetic or acoustic field, has a transmitting or receiving antenna for the relevant field at its tip. Receiving or transmitting...
5005592 Method and apparatus for tracking catheters  
A device for tracking catheters includes an oscillator which is coupled to a transmit coil. The transmit coil is rotated in a direction transverse to the longitudinal axis of the transmit coil. A...
4905698 Method and apparatus for catheter location determination  
A method and apparatus (10) for determining accurately the location of the tip (14) of a catheter (16) inside biological tissue is disclosed including a locator (34) having a coil (38) wound...
4572198 Catheter for use with NMR imaging systems  
A magnetic resonance catheter system combining with a magnetic resonance imaging device, a catheter including a coil winding for exciting a weak magnetic field at the tip of the catheter. The...
4317078 Remote position and orientation detection employing magnetic flux linkage  
The process and system for locating the position and orientation of an implement in space wherein a varying magnetic field responsive component (14) such as a coil is positioned upon the implement....
4173228 Catheter locating device  
A system for detecting and monitoring the position of a catheter tip during insertion and after placement of the catheter in a body cavity. A coupling means such as an inductor coil is secured...
3528402 MEANS AND METHOD FOR INTERNALLY DETECTING THE PRESENCE OF AN INTRAUTERINE CONTRACEPTIVE DEVICE  
3460528 APPARATUS FOR LOCATING AND REMOVING FOREIGN MATTER FROM ANIMAL TISSUE  
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