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| Number | Title | Issue Date |
| 4829184 | Reflective, transmissive high resolution imaging apparatus A source of high resolution non-ionizing radiation of narrow spectral bandwidth is used in conjunction with optical detectors positioned on one or more sides of a breast to obtain mammographic images. Reflected and transmitted images may be obtained to de... | 05/09/1989 |
| 4817622 | Infrared imager for viewing subcutaneous location of vascular structures and method of use A human appendage, typically the inside of the elow, is illuminated with an infrared source, for example, at least one incandescent light bulb. A video camera for producing a video image and immediately overlying monitor for displaying the video image is ... | 04/04/1989 |
| 4813422 | Bowel control probe and method for controlling bowel incontinence A bowel control probe apparatus and method for sensing and preventing incontinent episodes. The probe comprises a catheter with an infrared (I.R.) sensor tip for sensing fecal mass in the rectum and a cuff which is inflated with air to prevent passage of ... | 03/21/1989 |
| 4810875 | Method and apparatus for examining the interior of semi-opaque objects A highly collimated light beam, such as produced by a laser, is coupled by optical means directly onto a semi-opaque object such as a human breast. The light transmitted and scattered therein is collected at a fixed surface element and direction relative ... | 03/07/1989 |
| 4800886 | Sensor for measuring the concentration of a gaseous component in a fluid by absorption Apparatus and methods are provided for determining the concentration of a gaseous component in a fluid. A solid body of a natural or synthetic high polymer, which is permeable to the gaseous component, is exposed to the fluid, the polymer is exposed to in... | 01/31/1989 |
| 4784150 | Surgical retractor and blood flow monitor A surgical retractor instrument which incorporates therein a blood flow monitor. A surgical retractor system is disclosed for manipulation of living tissues and/or organs during diagnostic and/or surgical procedures, providing for the monitoring of the pr... | 11/15/1988 |
| 4767928 | High resolution breast imaging device utilizing non-ionizing radiation of narrow spectral bandwidth The present invention provides a method and apparatus for high resolution breast imaging which uses collimated light (in the near ultraviolet, visible, or infrared) of a narrow spectral bandwidth rather than ionizing X-ray radiation. The collimated light ... | 08/30/1988 |
| 4738266 | Apnoea monitor An apnoea monitor for preventing sudden infant death syndrome (SIDS). The exhaled breath of the infant is collected in a hood. A source of infrared energy emits infrared energy into the hood. So long as the infant is breathing, the carbon dioxide in its b... | 04/19/1988 |
| 4723554 | Skin pallor and blush monitor A new type of infrared reflectance device is disclosed to provide a quantitative evaluation of skin pallor. The instrument is designed to produce a measurement proportional to the percentage of infrared reflectance of the skin. In one embodiment, it consi... | 02/09/1988 |
| 4677982 | Infrared transcutaneous communicator and method of using same A method and apparatus are disclosed for transcutaneous communication using infrared light signals to communicate bidirectionally between electronic apparatus implanted within a living organism and electronic apparatus external to the body by which measur... | 07/07/1987 |
| 4655225 | Spectrophotometric method and apparatus for the non-invasive A directive light beam in a wavelength range appropriate for penetrating into body tissues is applied to a portion of a patient's body and the energy transmitted or back-scattered by the underlying tissue is analyzed spectrophotometrically for the presenc... | 04/07/1987 |
| 4651744 | Soft tissue examination method and apparatus An ultrasound adapter is provided for a medical diagnostic device which implements a transillumination modality. The ultrasound adapter enables the sharing of data processing circuitry between the transillumination and ultrasound modalities. When in use, ... | 03/24/1987 |
| 4649275 | High resolution breast imaging device utilizing non-ionizing radiation of narrow spectral bandwidth The present invention provides a method and apparatus for high resolution breast imaging which uses collimated light (in the near Ultraviolet, visible, or infra-red) of a narrow spectral bandwidth rather than ionizing X-ray radiation. The collimated light... | 03/10/1987 |
| 4646750 | Detection of pulmonary inflammation using breath luminescence Subjects may be screened for possible lung inflammation by a breath luminescence measurement apparatus and technique. The apparatus comprises a photon counter with special provisions for the exclusion of light from sources other than the patient's breath.... | 03/03/1987 |
| 4641658 | Cardiac flow monitor Previously undesired artifacts in a color signal used in fiberoptic cardiac catheters to measure blood oxygenation levels are used to produce indications of blood flow and true pulse. For this purpose, the color signal is band-pass filtered to derive a DC... | 02/10/1987 |
| 4623796 | Tanning apparatus with means which aid facial tanning Tanning apparatus with means which assist facial tanning and low pressure tubes irradiating in the UV-A spectral range, said tubes being arranged in a plate which is at least transparent for UV-A rays in a lower part shaped in the form of a bed and/or in ... | 11/18/1986 |
| 4592361 | Electro-optical device and method for monitoring instantaneous singlet oxygen concentration produced during photoradiation using pulsed excitation and time domain signal processing A method and apparatus is disclosed for optically monitoring the concentration of singlet oxygen produced during photoradiation. A composite optical emission in the 1.27 micron frequency band is detected and electrically processed to separate a first comp... | 06/03/1986 |
| 4576173 | Electro-optical device and method for monitoring instanteous singlet oxygen concentration produced during photoradiation using a CW excitation source A method and apparatus is disclosed for optically monitoring the concentration of singlet oxygen produced during photoradiation. A composite optical emission in the 1.27 micron frequency band is detected and electrically processed to separate a first comp... | 03/18/1986 |
| 4541438 | Localization of cancerous tissue by monitoring infrared fluorescence emitted by intravenously injected porphyrin tumor-specific markers excited by long wavelength light An improved apparatus and method for optically localizing cancer lesions occluded beneath healthy tissue layers. A porphyrin tumor-specific marker is injected into a patient. After several days the healthy tissue has released the tumor-specific marker but... | 09/17/1985 |
| 4534360 | Detection of lung cancer using breath luminescence Subjects may be screened for possible lung cancer by a breath luminescence measurement apparatus and technique. The apparatus comprises a photon counter with special provisions for the exclusion of light from sources other than the patient's breath. A spe... | 08/13/1985 |
| 4494550 | Measuring apparatus for the non-invasive detection of venous and arterial blood flow and drainage disorders A measuring apparatus for the quantitative evalution of peripheral venous drainage disorders and arterial blood flow disorder in man. In clinical practice, this invention makes it possible on the one hand to objectively detect the changes in cutaneous cir... | 01/22/1985 |
| 4475554 | Noninvasive continuous blood pressure meter A noninvasive continuous blood pressure meter that reproduces the arterial blood pressure waveform, comprising an inflatable flexible finger cuff which incorporates an infrared transmitter and receiver and electronic circuitry connected to the transmitter... | 10/09/1984 |
| 4442844 | Method and apparatus for making physiological measurements Measurements having physiological significance can be obtained by analyzing radiation which is reflected by an artery of the body. Such measurements are preferably made by immobilizing a part of the body such as the human wrist where an artery extends sub... | 04/17/1984 |
| 4434800 | Tympanometric apparatus Tympanometric apparatus comprises a housing of two tubular parts (10, 11) interconnected in a T-shape, a first part (10) having an eyepiece (13) and a speculum (12) at its opposite ends, a semi-silvered or dielectric mirror (14) between the ends, and ligh... | 03/06/1984 |
| 4414980 | Blood flow monitor apparatus Blood flow monitor apparatus includes a transducer having a skin-engaging face from which first and second light guides respectively lead to a photodetector and light source, the second light guide forming an array surrounding the first at said face. Ther... | 11/15/1983 |
| 4392498 | Apparatus intended for classifying the quantity of a fatty product found on the skin surface Measurements of the greasiness of skin are made by applying a plate against a region of skin to be studied and then inserting the plate in a recess of the casing, in register with a photodiode and a phototransistor. A series of n (in this case 5) indicato... | 07/12/1983 |
| 4350166 | Apnea detector A non-contacting apnea detector includes a long wave infrared detecting device which is arranged with a focusing means to define a predetermined field of view. This detector is positioned to include the infant or at least the head and shoulder portion of ... | 09/21/1982 |
| 4334544 | Ear lobe clip with heart beat sensor A pair of generally parallel spaced plastic arms are pivoted to each other at their central portions by interleaved pairs of tabs having a pivot pin extending therethrough. A light coil spring on the pivot pin biases one pair of opposite ends of the arms ... | 06/15/1982 |
| 4312357 | Transillumination diagnostic method and apparatus An instrument for indicating anomalies in human tissue comprises first and second light emitters. The first light emitter comprises a tungsten filament which transilluminates the tissue and visually indicates any anomalies therein. The second light emitte... | 01/26/1982 |
| 4166454 | Cardiac monitor A cardiac monitor generates infrared light which is directed at the skin of an individual to be monitored. The light reflected from the skin is detected and automatically controlled. The pulsatile flow of blood in the underlying vascular network modulates... | 09/04/1979 |
| 4150284 | Medical patient condition monitoring system A medical patient condition monitoring system includes a portable battery-operable transmitter module which transmits monitored conditions of the patient via infrared energy to the receiver input stage of a medical monitoring and display unit. In one embo... | 04/17/1979 |
