| Patent Number |
Title Of Patent |
Date Issued |
| D399317 |
Spirometry tube and connector assembly |
October 6, 1998 |
|
| 6139506 |
Method for measuring pulmonary functional residual capacity |
October 31, 2000 |
| A method for determining pulmonary functional residual capacity (FRC). A given amount of indicator gas is delivered into the breathing gases flowing into the lungs of a subject in a selected number of sequential breaths. The amounts of indicator gas delivered during the selected number |
| 6131572 |
Medical dosing device having dosing chamber with a pressure sensor |
October 17, 2000 |
| A medical dosing device/method for providing small discrete volumes of gas, for example sulfur hexa fluoride or nitric oxide, to the breathing gases of a patient. The device includes a charging valve interposed between a gas supply and a dosing chamber. A discharge valve is connected bet |
| 6104938 |
Procedure, apparatus and detector for the determination of fractional oxygen saturation |
August 15, 2000 |
| The invention relates to a procedure for determining the relative concentration or composition of different kinds of haemoglobin, such as oxyhaemoglobin, deoxyhaemoglobin and dyshaemoglobins, and/or dye components contained in blood in a non-invasive manner using the light absorption |
| 6097034 |
Radiation source assembly and transducer for analyzing gases or other substances |
August 1, 2000 |
| A radiation source assembly and transducer incorporating same are suitable for use in measuring spectral absorption properties of a substance to be analyzed, such as a gas. The radiation source assembly has an optical axis. A measuring radiation source provides radiation in the direction |
| 6046814 |
Additional feature for a measuring sensor used in the spectroscopic analysis of mediums |
April 4, 2000 |
| The invention relates to an additional feature for use in a measuring sensor which is used for analyzing mediums spectroscopically. The measuring sensor comprises: a radiation source (1), emitting radiation which travels through a first window (3a) of a sample chamber (2), an absorpt |
| 6034360 |
Infrared radiator |
March 7, 2000 |
| Infrared radiator has a heating element (1) heated by electric current and a first thermocouple (2) thermally coupled to the heating element to measure its temperature. According to the invention, the first thermocouple (2) is electrically so connected to the heating element (1) that |
| 6001064 |
Correction of a mixture gas effect in measuring based on radiation absorption |
December 14, 1999 |
| A measuring device for determining the concentration of such gas components from a gas mixture, which includes collision dilation of the absorption lines constituting the absorption spectral bands for measuring objects. The device comprises a non-dispersive concentration measuring sensor |
| 5971937 |
Blood alcohol concentration measuring from respiratory air |
October 26, 1999 |
| A method and apparatus for measuring a blood alcohol content value by means of a breath alcohol concentration as well as for securing the reliability of this measured value. The apparatus comprises: sensor elements (1) for obtaining a measured alcohol concentration value from an incoming |
| 5964219 |
Method and arrangement for processing respiratory gas of an intubated patient |
October 12, 1999 |
| A method and an arrangement for processing respiratory gas of an intubated patient, wherein the level of humidity of the inhalation gas is increased, if necessary, before the gas is supplied to the patient. To provide accurate and correctly timed humidification, the patient's respiratory |
| 5957838 |
Patient monitoring system |
September 28, 1999 |
| Patient monitoring system for the monitoring of a patient's condition using monitoring parameters determined about the patient, said system comprising a central data processing unit (1), peripherals (2, 3, 4); parameter modules (5), each comprising a preamplifier (6) for preliminary |
| 5954051 |
Ventilator for intensified breathing and valve in patient conduit of apparatus for intensified b |
September 21, 1999 |
| A ventilator for intensified breathing that includes a single safety valve arranged in the gas mixture and inhalation conduit assembly. The single safety valve includes a restrictor valve for overpressure in the breathing system, a valve that allows breathing from the atmosphere, and a |
| 5913249 |
Measuring detector and system for the measurement of gas flow |
June 15, 1999 |
| Measuring detector and system for the measurement of gas flow, especially for the measurement of the pressure and/or flow of a patient's respiratory gas. The surface of the wall (2) of a flow channel (1) and/or the surface of a restricting element (3), said surface being in direct contac |
| 5908789 |
Analysis of gas mixtures with an infrared method |
June 1, 1999 |
| The invention relates to a method and apparatus for determining the concentration of at least carbon dioxide in a gas mixture on the basis of the absorption of infrared radiation (2), said apparatus comprising: a radiation source (1), the radiation emitted thereby being aligned to tr |
| 5904188 |
Arrangement for preventing overfill of an anaesthetic liquid container |
May 18, 1999 |
| An arrangement for preventing overfill of an anaesthetic liquid container of a vaporizer resulting from inclination, comprising a bent intermediate container for guiding anaesthetic liquid to the anaesthetic liquid container for vaporization and for removing a volume of gas equivalent to |
| 5900635 |
Correction of collision broadening in non-dispersive absorption measurement of gases |
May 4, 1999 |
| A method of non-dispersive analysis of gas mixtures for determining the concentration of some gas component therein. A radiation source is arranged which emits, through the gas mixture being analyzed, radiation within a wavelength range within which the absorption spectrum band used |
| 5879308 |
Procedure for measuring a patient's impedance |
March 9, 1999 |
| The present invention relates to a procedure for measuring a patient's impedance. Based on the impedance, it is possible to monitor the patient's respiration and/or blood circulation. In the procedure, a plurality of electrodes (1a, 1b; 1d, 2; 2a) are connected to be patient and the chan |
| 5832917 |
Method and arrangement for vaporizing an anaesthetic |
November 10, 1998 |
| A method and an arrangement in connection with vaporizing an anaesthetic, in which an anaesthetic, vaporized in a vaporizer is mixed with fresh gas and delivered to be inhaled by a patient. In order to achieve a reliable operation, the prevailing ambient air pressure is measured, the mea |
| 5819814 |
Method and assembly for filling an anesthetic evaporator |
October 13, 1998 |
| A method and an assembly for filling an anesthetic evaporator, comprises a filling device (1) connectable to a transport container (15) and having a filling head (2) which can be inserted in an attachment point (4) included in an evaporator (3), the filling device and evaporator being pr |
| 5799711 |
Arrangement in connection with an anaesthetic liquid container |
September 1, 1998 |
| An arrangement in connection with an anaesthetic liquid container, comprising a connector with the help of which an anaesthetic liquid container and a transport or supply container of anaesthetic liquid can be connected to one another for guiding the anaesthetic liquid from the trans |
| 5799710 |
Arrangement in connection with an anaesthetic liquid container |
September 1, 1998 |
| An arrangement in connection with an anaesthetic, liquid container, said arrangement comprising a device for conducting anaesthetic liquid during emptying of the anaesthetic liquid container from the anaesthetic liquid container to a transport or supply container connected to a filling p |
| 5793043 |
Method and apparatus for determining the alcohol concentration in a gas mixture |
August 11, 1998 |
| An apparatus for determining the alcohol concentration in a gas mixture, which may contain a number of such interference components that have substantial absorption within the range of the alcohol absorption line to be presently determined, by means of a method based on the absorption of |
| 5782233 |
Method and arrangement for identifying an existing connection in apparatus for the ventilation o |
July 21, 1998 |
| A method and arrangement in connection with the ventilation of a patient, wherein the lungs of the patient are ventilated mechanically by means of a ventilator or manually by means of a reservoir bag as the patient's own respiratory activity is insufficient or totally prevented. In order |
| 5758640 |
Arrangement for filling and emptying an anaesthetic vaporizer |
June 2, 1998 |
| An arrangement in connection with an anaesthetic vaporizer, said arrangement comprising a filling head to be connected to a liquid container of the anaesthetic vaporizer, said filling head being provided with a connection point for an anaesthetic supply container or the like. The fil |
| 5735167 |
Method and arrangement for measuring liquid level |
April 7, 1998 |
| A method and an arrangement for identifying liquid levels, in which method a capacitor is arranged into liquid in a container, between plates of which capacitor, liquid will enter in such a manner that the liquid-filled portion of the space between the plates changes with liquid levels a |
| 5722449 |
Arrangement in connection with a gas mixer |
March 3, 1998 |
| An arrangement in connection with a gas mixer, which is arranged to form a mixed gas of oxygen and another gas to be mixed with it. To provide a simple and reliable arrangement, before the mixed gas is formed the oxygen is arranged to be supplied through both a mechanical adjusting means |
| 5644676 |
Thermal radiant source with filament encapsulated in protective film |
July 1, 1997 |
| An electrically modulatable radiant source includes an essentially planar substrate, a well or hole formed in the substrate, and at least one incandescent filament attached to the substrate. The incandescent filament is aligned with the well or hole and is formed of a metallic compound |
| 5584291 |
Method for recognizing and identifying emergency situations in an anesthesia system by means of |
December 17, 1996 |
| A method for recognizing and identifying emergency situations in an anesthesia system measures a plurality of variables associated with an anesthesia delivery, the measurement values of said measured variables are formed into pattern vectors characterizing the instantaneous states of the |
| 5500569 |
Electrically modulatable thermal radiant source and method for manufacturing the same |
March 19, 1996 |
| A radiant source including an essentially planar substrate having a well or hole formed therein. At least one incandescent filament is mounted to the substrate and aligned at the well or hole. Contact pads are formed onto the substrate, to both ends of the incandescent filament, and feed |
| 4587493 |
Coil arrangement |
May 6, 1986 |
| An adjustable signal coil, for example a solenoid, saddle or Helmholz type of signal coil which is used in a nuclear spin or NMR examination assembly, includes a pair of adjustable conductor guide and profile supports which hold one or more turns of a conductor forming the signal coi |
| 4419764 |
Slit collimator in a panoramic X-ray apparatus |
December 6, 1983 |
| A slit collimator for use in a panoramic X-ray apparatus for the collimation of X-rays into a narrow fan-like beam. The collimation is achieved by means of a collimator slit formed in a trunion which is rotatable about its longitudinal axis and by rotating the trunion the effective r |
| 4412917 |
Weight controlled and hydrostatic pressure adjustable peritoneal dialysis apparatus |
November 1, 1983 |
| An apparatus for peritoneal dialysis including a first vessel to contain dialysis fluid and a second vessel to contain spent dialysis fluid. The first and second vessels are connected through a conduit means with the abdominal cavity of a patient, and a pump is located in the conduit mea |
| 4382806 |
Method for separating water from a gas sample |
May 10, 1983 |
| A method of separating water from a gas sample. The gas sample is conducted from a patient to a water separating chamber having a tapered lower end. A continuous branch flow is produced from the gas sample for the separation of water, and the branch flow with the separated water is disch |
| 4320766 |
Apparatus in medicine for the monitoring and or recording of the body movements of a person on a |
March 23, 1982 |
| A capacitive motion sensor placed under a mattress or the like for monitoring the movements of a person. The sensor uses an active layer consisting of two courses of dielectric material placed in contact with one another. Movements of a person on top of the mattress cause the courses |
| 4304578 |
Water separator for a gas analyzer |
December 8, 1981 |
| A water separator for a gas analyzer comprising a container defining a water separation chamber and having a generally conical bottom. An inlet conduit is connected to the chamber for conducting a gas sample to the chamber, and a water outlet conduit communicates with the lower end of th |
| 4266131 |
Gas analyzer |
May 5, 1981 |
| The present invention concerns a gas analyzer, for instance a CO.sub.2 analyzer, comprising a measuring chamber for the gas to be examined, a reference chamber from which the gas to be measured has been drawn off, a light source and a chopper disk, which chops the light beam to make it |
