|
Match
|
Document |
Document Title |
|
|
5059415 |
Method for diagnostically imaging lesions in the brain inside a blood-brain barrier
An improved method for diagnosing and characterizing brain lesions is described which first involves chemically modifying the blood-brain barrier (BBB) in order to increase BBB permeability....
|
|
|
5056524 |
Image processing method and system for radiological diagnostics
A digital mask image is obtained by emitting radiation onto a subject before a contrast medium is injected in a blood vessel, and digital mask image data corresponding to the mask image is stored...
|
|
|
5048534 |
Method of and device for determining quantities characterizing the flow of a liquid in a vascular system
A part of the vascular system which may be considered to consist of an entrance vessel (33), a reservoir (37) and an exit vessel (35) is arranged in an apparatus for making subtraction images by...
|
|
|
5046499 |
Method for myocardial infarct risk assessment
The invention pertains to a method quantitative localization of antimyosin uptake in the myocardium of a patient as an indication of myocardial infarction from a plurality of planar projections...
|
|
|
5042488 |
Methods employing deuterium for obtaining direct, observable deuterium magnetic resonance images in vivo and in situ
A method for in vivo and in situ NMR imaging of body organs or tissues employing direct, observable deuterium magnetic resonance images.
|
|
|
5040537 |
Method and apparatus for the measurement and medical treatment using an ultrasonic wave
An ultrasonic measuring apparatus and method operating as an ultrasonic echocardiograph and a doppler blood flow speed meter by creating numerous microbubbles as a contrast medium or reflector only...
|
|
|
5029586 |
Image processing method and system for radiological diagnostics
An estimating circuit estimates the thickness of the subject appearing on a mask image, by using the value of the thickness of a uniform material equivalent to a subject, with respect to each pixel...
|
|
|
5027817 |
Statistical based display for positron emission tomography scans
In a medical imaging system a patient is injected with a radiopharmaceutical spontaneously emitting positrons and a PET (Positron Emission Tomography) scan is taken along parallel planes of a...
|
|
|
5024231 |
Automated multi-point blood volume analyzer
A multi-point method of determining a time-zero blood volume by the tracer dilution technique. A tracer is injected into the blood stream of a living being, and a plurality of mixed samples of...
|
|
|
5024232 |
Novel radiopaque heavy metal polymer complexes, compositions of matter and articles prepared therefrom
Novel radiopaqaue materials comprise heavy metal salts, such as bismuth and uraniuim salts complexed with a polymer. The metallic complexes which are permanent, nonleachable and have radiopacities...
|
|
|
5024230 |
Dual flow/lambda display for xenon enhanced tomography
A patient is disposed within a scan circle or examination region (62) of a CT scanner (B). As the patient starts breathing air from a xenon gas supply (A), a flow image and a lambda image are...
|
|
|
5014709 |
Method and apparatus for high resolution holographic imaging of biological tissue
Apparatus and methods for high resolution holographic recordation and microscopic examination of the holographic image of biological tissue. A single beam Denisyuk holographic recordation of the...
|
|
|
5011677 |
Radioactive glass microspheres
A radioactive microsphere for radiation therapy of a mammal comprising a biologically compatible glass material containing a beta or gamma emitting radioisotope distributed substantially uniformly...
|
|
|
4995396 |
Radioactive ray detecting endoscope
A radioactive ray detecting endoscope comprises an elongated insertable part, an ultrasonic imaging apparatus provided in the tip part of the insertable part for transmitting ultrasonic waves...
|
|
|
4994012 |
Radiation-shielded holder for an injector
A radiation-shielded injector comprises a cylinder of radiation shielding material having a cutout, a transparent radiation shielding plate being fitted to the cutout, a through-hole being provided...
|
|
|
4992255 |
Capillary depletion method for quantifying transcytosis through the blood-brain barrier
A method for quantifying transcytosis through the blood-brain barier by infusing a perfusate into the brain of a living mammal. The perfusate includes a radio-labelled test compound and a...
|
|
|
4985232 |
Gastric emptying kit
A solid meal gastric emptying kit comprising: (a) a first relatively small tagging container; (b) a first package of freeze-dried meat for tagging with TC 99m Sulfur Colloid; (c) a second...
|
|
|
4973306 |
Method of performing right coronary artery angiography
An angiographic catheter includes a relatively soft, tip portion having a preformed curvature, and a resilient body portion extending therefrom having a preformed curvature in the opposite...
|
|
|
4967764 |
Pressure sensor element to measure contact stress
A biological inplantable pressure sensor element comprises a fixed volume pouch formed by a sealed, flexible, impermeable membrane comprising therewithin a gel mass contained in a gel volume, said...
|
|
|
4947850 |
Method and apparatus for imaging an internal body portion of a host animal
A method and associated apparatus for imaging an oxygen-containing, internal body portion of a host animal which comprises: (a) adding to a body fluid of the host animal a phosphorescent...
|
|
|
4932412 |
Intraoperative and endoscopic tumor detection and therapy
Methods are provided for short-range intraoperative and endoscopic detection and therapy of tumors using radiolabeled antibodies and, in some cases, techniques for reducing or correcting for...
|
|
|
4930510 |
Parameterization for CT blood flow mapping with xenon gas enhancement
A xenon gas system (B) introduces xenon gas into a patient's blood. The xenon concentration in the patient's blood is monitored (26) periodically as the concentration builds toward a saturation...
|
|
|
4909257 |
Method for attaining in vivo tissue-specific contrast by nuclear magnetic resonance imaging
A method is provided for obtaining in vivo diferentiation of tissues in an animal by nuclear magnetic resonance imaging comprising the steps of introducing into the animal a complex comprising a...
|
|
|
4903705 |
Digital radiography apparatus
A device for obtaining an image of a subject including a signal generating device including, for example, an X-ray generator for obtaining a signal representative of the subject, a detecting device...
|
|
|
4903693 |
Xenon inhalation apparatus
A xenon inhalation apparatus for introducing a mixed gas of xenon and oxygen into the lungs of a patient includes a respiration face mask, bellows having exhalation and inhalation ports, storing...
|
|
|
4893627 |
Method for nuclear magnetic resonance imaging using deuterum as a contrast agent
A method for in vivo NMR imaging of the blood vessels and organs of a patient characterized by using a dark dye-like imaging substance consisting essentially of a stable, high-purity concentration...
|
|
|
4891165 |
Device and method for encapsulating radioactive materials
A capsule for encapsulating radioactive material for radiation treatment comprising two or more interfitting sleeves, wherein each sleeve comprises a closed bottom portion having a circumferential...
|
|
|
4887604 |
Apparatus for performing dual energy medical imaging
An energy substraction medical imaging system which is used for imaging a body part impregnated with a radio-opaque dye such as iodine is provided. The system includes an electron beam target...
|
|
|
4883058 |
Right coronary angiographic method
An angiographic catheter includes a relatively soft, tip portion having a preformed curvature, and a resilient body portion extending therefrom having a preformed curvature in the opposite...
|
|
|
4880007 |
Contrast agent for NMR scanning
Complexes formed between (a) an amino di- or poly-phosphonate in which phosphonate groups comprise separate carbon atoms and (b) a paramagnetic metal ion such as Gd 3 +, have calcified tissue...
|
|
|
4880008 |
Vivo enhancement of NMR relaxivity
A method of decreasing the NMR relaxation times (T 1 or T 2 ) of water protons in contact with a biological tissue, the method involving administering to a human patient an NMR contrast agent...
|
|
|
4861520 |
Capsule for radioactive source
A drivable radioactive source capsule is provided which comprises a tubular body containing therein a plurality of radioactive sources. The said tubular body has a first end and a second end which...
|
|
|
4827938 |
Two-band optical comparator for use with chopped CW singlet oxygen monitor
An improved apparatus and method for detecting singlet oxygen emission produced during photoradiation is disclosed. The invention utilizes a two-band optical comparator to detect optical emissions....
|
|
|
4815448 |
Mossbauer cancer therapy
Frequency selective radiation therapy providing selective tissue damage or necrosis by irradiating a component element of the target tissue at the corresponding Mossbauer absorption frequency. The...
|
|
|
4813399 |
Process for the treatment of neurological or neuromuscular diseases and development
The present invention describes a method for the treatment of neurological diseases and development and neuromuscular diseases and development with diagnostic applications to optimize the treatment...
|
|
|
4803977 |
Method and apparatus for the diagnosis of respiratory diseases and allergies
Method and apparatus for coating the airways of the lung of a patient substantially uniformly with a mist formed by aspirating a liquid which includes restricting the maximum size of the particles...
|
|
|
4793358 |
Apparatus for measuring local cerebral blood flow
A local cerebral blood flow measuring apparatus includes an expiratory tube arranged along a slice within a photography area of a gantry, and a sensor for detecting end of expiration. The...
|
|
|
4793357 |
CT blood flow mapping with xenon gas enhancement
A xenon gas system (B) introduces xenon gas into a patients's blood. The xenon gas concentration in the patient's blood is monitored and the characteristics of the patient's blood absorption curve...
|
|
|
4789501 |
Glass microspheres
A radioactive microsphere for radiation therapy of a mammal comprising a biologically compatible glass material containing a beta or gamma emitting radioisotope distributed substantially uniformly...
|
|
|
4787391 |
Anastomotic marking device and related method
A sutureless, anastomotic marking device for the fluoroscopic localization of a coronary graft. Radiopaque indicators are circumferentially arranged around a centrally located opening in an...
|
|
|
4782828 |
Radioaerosol delivery apparatus
A radioaerosol delivery apparatus particularly adapted for the subsequent disposal of radioactively contaminated elements is described.
|
|
|
4782840 |
Method for locating, differentiating, and removing neoplasms
The present invention is addressed to a method for the improved localization, differentiation, and removal of neoplastic tissue in animals. In particular, one aspect of the present invention...
|
|
|
4781198 |
Biopsy tracer needle
A method and apparatus for obtaining a sample of tissue from a human comprising, providing a source of gamma radiation in the tissue to be sampled, providing a biopsy tracer needle of a...
|
|
|
4779621 |
Xenon calibration phantom
A xenon concentration phantom (A) is mounted in a CT scanner (B). A xenon/oxygen breathing gas mixture from a breathing gas supply system is (C) circulated through an analysis chamber (12) of the...
|
|
|
4770183 |
Biologically degradable superparamagnetic particles for use as nuclear magnetic resonance imaging agents
This invention relates to an improved method for obtaining the in vivo MNR image of an organ or tissue of an animal or human subject. More specifically, this invention relates to the use of small...
|
|
|
4755375 |
Method and kit for the selective labeling of red blood cells in whole blood with TC-99M
Disclosed herein are a method and kit for the preparation of 99m Tc labeled red blood cells using whole blood in a closed sterile system containing stannous tin in a form such that it will enter...
|
|
|
4755679 |
Method and apparatus for maximizing counts of a PET camera
The method and apparatus of operating a positron emission tomography camera for measuring concentrations of positron emitting radioisotopes which measures radiation from a patient including true...
|
|
|
4745907 |
System and method for delivering insoluble materials into a living body
To deliver a controlled dosage of an insoluble material into a living body, the material is provided in measured amounts in vials, and a system is provided for flushing the entire content of...
|
|
|
4741331 |
Disposable radioactive aerosol inhalation apparatus
Aerosol inhalation apparatus for supplying an aerosol mist containing radioactive tagged particles and air to a person, includes a nebulizer for producing the aerosol mist; a filter having one end...
|
|
|
4729379 |
Digital subtraction-imaging apparatus utilizing cardiac-synchronized subtraction method
In a digital subtraction imaging apparatus, the digital subtraction between mask images and contrast images is carried out in synchronism with cardiac beats of an object under medical examination...
|