Abstract: Breath sampling tube having an array of reservoirs, the array of reservoirs including a first reservoir proximate to a device end of the tube and at least one intermediate reservoir; the first reservoir having an inner wall defining a channel, a hydrophobic element and a hydrophilic element; and the at least one intermediate reservoir having an inner wall defining a channel and a hydrophilic element; wherein the array of reservoirs is configured to allow unabsorbed water vapor to proceed through the at least one intermediate reservoir while essentially blocking unabsorbed water vapor from passing through the first reservoir.

Abstract: The present disclosure provides plugs of cables or tubes including at least one depolarizer, configured to emit depolarized light in response to polarized light impinging thereon and arranged such light emitted from the at least one depolarizer and passed through a polarizing element optically orthogonal to the impinging polarized light can be detected by a connection system.

Abstract: Provided are systems and method for identifying, generating and displaying a trend of one or more medical waveform related features.

Abstract: The present disclosure provides breath sampling tubes having an outer wall and an inner wall, wherein the outer wall includes at least one groove having uneven side walls arranged to induce a convection driven circulation zone in the groove; wherein at least part of the tube is formed of a material configured to evaporate liquid.

Abstract: The present disclosure provides breath sampling tubes having an outer wall and an inner wall, wherein the outer wall includes at least one groove and wherein at least part of the tube is formed of a material configured to evaporate liquid.

Abstract: There is provided herein a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both), the polymer substance includes: a porous support member having a plurality of pores, wherein at least a portion of the pores are filled with a cross-linked co-polymer comprising (i) a cationic monomer and an anionic monomer, (ii) a zwitterionic monomer, or a combination thereof. The substance may include a membrane or a tube.

Abstract: The present disclosure provides methods, devices and systems for calculating integrated breath status values comprising: defining breath cycles based on CO2 waveforms; generating transformed signals based on PPG signals; calculating respiratory effort values based on the transformed PPG signals; and calculating integrated breath status values based on the defined breath cycles and the respiratory effort values. The disclosure also provides methods, devices and systems for calculating cardiovascular status values comprising: defining breath cycles based on a CO2 waveforms; generating transformed signals based on a PPG signals; calculating pulse output values based on the transformed PPG signal; calculating pulse output per breath values based on the defined breath cycles and the calculated pulse output values; and determining integrated cardiovascular status values based on a comparison of a change in the pulse output per breath values and in the CO2 waveforms.

Abstract: The present disclosure provides a tube connector, including at least one magnet, arranged such that a tube connection system can identify at least one parameter of the magnet.

Abstract: There is provided herein a dryer polymer substance comprising a polymer grafted with a compound having sulfonic groups, wherein the substance is adapted to pervaporate a fluid such as water, water vapor or both. There is further provided a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid, the process includes processing a polymer into a desired form, activating at least a portion of the polymer, and grafting the activated portion of the polymer with a compound having groups adapted to be sulfonated.

Abstract: According to a preferred embodiment of the present invention there is provided a bite block assembly adapted for capnography and oxygen delivery to a subject, the bite block assembly (50) including a first capnography passageway adapted for passage therethrough of exhaled breath from the subject to a capnograph and a second oxygen delivery passageway, separate from the first passageway, adapted for passage therethrough of oxygen from an oxygen source to the mouth of the subject.

Abstract: A system for sampling exhaled breath and for supply of a gas, the system comprising: a gas delivery cannula comprising at least one nasal prong for insertion into a nostril, the nasal prong comprising a distal end; an exhaled breath sampling cannula for insertion into the nostril, the exhaled breath sampling cannula comprising a distal end; and a connector for coupling the gas delivery cannula to the exhaled breath sampling cannula, such that the distal end of the exhaled breath sampling cannula is disposed deeper in the nostril than the distal end of the nasal prong, to reduce dilution of sampled exhaled breath by delivered gas. The connected is configured to facilitate adjustability of an insertion depth of the exhaled breath sampling cannula into said nostril.

Abstract: An oral-nasal cannula comprising at least one nasal breath inlet for carbon dioxide (CO2) sampling; and at least one nasal breath inlet for flow measurement, wherein said at least one nasal breath inlet for flow measurement is separated from said at least one nasal breath inlet for CO2 sampling, such that said cannula is configured to facilitate CO2 sampling and flow measurement essentially without cross-interference.

Abstract: Luer connector including a primary Luer male connector, having a secondary female section extending from a top distal part of the primary Luer male connector back towards a proximal part thereof, the primary Luer male connector including a first inner fluid flow channel extending from a proximal end thereof to the secondary female section, the first inner fluid flow channel having a diameter of approximately d1 increasing at a connection point between the first inner fluid flow channel and the secondary female section to form a neck N the secondary female section having an internal diameter of d2 at a top distal part of the primary Luer male connector, where d1 is smaller than d2, the primary Luer male connector being configured to mate with a primary Luer female connector having a secondary male section including a second inner fluid flow channel ex having an internal diameter of approximately d1.

Abstract: There is provided herein a breath sampling device comprising a controller adapted to initiate a signal to trigger a valve functionally associated with a breath sampling tube upon said controller receiving a signal indicating a blockage in the breath sampling tube. The valve is adapted to facilitate an increase of pressure within the breath sampling tube between the blockage and a pump functionally associated with the breath sampling tube. There is further provided herein an airway adapter comprising a restrictor located in proximity to a connection point between the airway adapter and a breath sampling tube, wherein the restrictor may be adapted to reduce the flow rate of liquids entering the breath sampling tube.

Abstract: Luer connector including a primary Luer male connector having a secondary female section extending from a top distal part of the primary Luer male connector back towards a proximal part thereof, the primary Luer male connector including a first inner fluid flow channel extending from a proximal end thereof to the secondary female section, the primary Luer male connector being configured to mate with a primary Luer female connector having a secondary male section including a second inner fluid flow channel.

Abstract: Luer connector including a primary Luer male connector, having a secondary female section extending from a top distal part of the primary Luer male connector back towards a proximal part thereof, the primary Luer male connector including a first inner fluid flow channel extending from a proximal end thereof to the secondary female section, the first inner fluid flow channel having a diameter of approximately d1 increasing at a connection point between the first inner fluid flow channel and the secondary female section to form a neck N the secondary female section having an internal diameter of d2 at a top distal part of the primary Luer male connector, where d1 is smaller than d2, the primary Luer male connector being configured to mate with a primary Luer female connector having a secondary male section including a second inner fluid flow channel ex having an internal diameter of approximately d1.

Abstract: There is provided a tube connector for connecting between a fluid sampling tube and a fluid analyzer, the tube connector includes an end face adapted to identify the tube connector, said end face comprising a reflecting surface having one or more reflective regions adapted to reflect light at a predetermined range of wavelengths.

Abstract: Luer connector including a primary Luer male connector, having a secondary female section extending from a top distal part of the primary Luer male connector back towards a proximal part thereof, the primary Luer male connector including a first inner fluid flow channel extending from a proximal end thereof to the secondary female section, the primary Luer male connector being configured to mate with a primary Luer female connector having a secondary male section including a second inner fluid flow channel.

Abstract: According to a preferred embodiment of the present invention there is provided a bite block assembly adapted for capnography and oxygen delivery to a subject, the bite block assembly (50) including a first capnography passageway adapted for passage therethrough of exhaled breath from the subject to a capnograph and a second oxygen delivery passageway, separate from the first passageway, adapted for passage therethrough of oxygen from an oxygen source to the mouth of the subject.

Abstract: There is provided a tube connector for connecting between a fluid sampling tube and a fluid analyzer, the tube connector includes an end face adapted to identify the tube connector, said end face comprising a reflecting surface having one or more reflective regions adapted to reflect light at a predetermined range of wavelengths.