Abstract: A peristaltic pumping system comprises a flexible tube, a substantially cylindrical rotating roller unit containing a series of rollers which are freely rotating around their axes and freely moving along a radial segment, holding mechanism for commonly holding the rollers, a central spreader element for pushing the rollers against the flexible tube and a driving unit comprising a driving coupling element, and the holding mechanism is made of at least one planar element having retaining and guiding means for rollers, and the planar element is furthermore adapted to be directly coupled to the coupling element in such a way that rollers are driven through the planar element.

Abstract: The invention relates to a medical device for injecting contrast media including at least two separate vessels and immiscible contents inside one and/or both of the vessels, an injector and a distributor arranged such as to establish alternating communication between said vessels and said injector, said medical device being characterised in that it includes a means for providing said alternating communication at a frequency of 0.2 to 5 Hz.

Abstract: The regulator comprises at least a cylinder (2) with a fluid inlet connector (1) for receiving fluid at an inlet pressure and a fluid outlet connector (4) for delivering fluid, at least one chamber (3), a rod (5) in said cylinder with one side submitted to the inlet pressure and the other side submitted to the outlet pressure generating a net force counter-balanced by at least one spring means (7) acting on one side of said rod (5) against said inlet pressure, wherein a fluidic pathway is formed between said rod (5) and said cylinder (2) as the major fluidic resistance of the device, wherein a change of the inlet pressure induces a move of the rod along the axis of the cylinder thereby modifying the fluidic resistance of said fluidic pathway, wherein the fluidic resistance of said pathway varies with the applied pressure at the inlet in a predefined range of pressure, inducing a regulated flow rate in the considered range of pressure.

Abstract: A dialysis device comprising a prescriber interface and a programming means configured to allow, via the prescriber interface, input of a set of therapeutic objectives and a treatment plan and a re-evaluation means configured to, as a function of the therapeutic objectives and the treatment plan, suggest at least one treatment option comprising a set of settings of a treatment session to achieve said set of therapeutic objectives.

Abstract: Device for determining the characteristics of peritoneal membrane comprising means for measuring glucose in the fluid drainage and a processing unit comprising means for determining the characteristics of the membrane as a function of that rate of glucose measured at different times. The invention also relates to a method for determining the characteristics of peritoneal membrane including the consideration of glucose measured at different moments in the liquid drainage.

Abstract: The invention relates to a microfluidic device comprising a first plate forming the substrate and including at least one perforation and, on either side of said first plate, at several locations, a material for defining passage portions consisting, in at least one of said locations, of an activatable material varying in volume on activation, said material being disposed at said locations in an arrangement that, during a first phase and upon activation of at least one location consisting of said activatable material, transforms it from a first configuration to a second configuration, modifying a three-dimensional network corresponding, in the second configuration and depending on the selected location(s) that are activated in said first phase, to different liquid paths including passage portions in offset planes parallel to the plane of the first plate, at least on either side of said first plate, and between which at least one of said perforations is located.

Abstract: The invention relates to a device for injecting liquid, comprising a piece of tubing on which there is situated at least a first liquid occlusion system. According to the invention, a regulation system is situated upstream from the first occlusion system, the two systems defining an intermediate segment in which the pressure, in the absence of injection, is greater than the pressure that exists downstream from the first occlusion system so as to direct any leak of liquid from the first occlusion system downstream. The invention is applicable to a pump used for injecting contrast liquid for medical imaging.

Abstract: The invention relates to a pumping device including a pump (1) comprising—a pumping chamber (11) having a variable volume,—an inlet (2) communicating with the pumping chamber (11) and comprising a valve,—an outlet (5) communicating with the pumping chamber and comprising a valve,—an actuator adapted to change the volume of the pumping chamber,—a fluidic pathway comprising said inlet (2), said pumping chamber (11), said outlet (5) and a downstream line (7) situated downstream of the outlet valve,—a pressure sensor (4) for measuring the pressure between the valves of said pathway,—processing means for processing the received pressure data from the pressure sensor (4). The invention also covers a method for detecting a dysfunction in a pumping device as defined above.

Abstract: The present invention relates to a process for manufacturing a porous coating with structures in the micro or nano-size domain characterized by the following steps: —providing a support having a surface, —depositing on said surface one mono-layer of temporary particles, —depositing a coating on said temporary particles in such a way that the thickness of said coating is less than the particle diameter, —eliminating said temporary particles and thereby obtaining a porous coating, the pores of said coating corresponding to the spaces previously occupied by the temporary particles and at least a part of the pores communicating with the external environment, —applying a coating fixation step, characterized by the fact that said temporary particles are deposited on said surface in such a way that, after particle deposition, more than 50% of the temporary particles are in contact with a maximum of two adjacent particles and otherwise are separated by an empty space.

Abstract: Medical liquid injection device comprising the following distinct elements: a container (1), an outlet channel (14) and a pumping unit (5); said container (1) comprising a rigid wall on which said pumping unit (5) is rigidly fixed; said rigid wall furthermore including a passage (4) which forms a direct fluid connection between said pumping unit (5) and said container (1); said outlet channel (14) being directly connected to said pumping unit (5) in such a way that a fluid initially kept in said container (1) may first flow through said pumping unit (5) and then reach said outlet channel (14), said medical liquid injection device furthermore comprising an inlet (16), distinct from said outlet channel (14), and disposable elements.

Abstract: The invention concerns a system for injecting contrast product comprising an injecting mechanism, at least two reservoirs operatively associated with the injecting mechanism, said reservoirs being designed to contain at least one contrast product and one rinsing product respectively; and a control device comprising programming means, which is operatively associated with the injecting mechanism and capable of operating for programming selectively one or more injection process phases. The system is characterized in that it comprises a triggering member operatively associated with the control device so that the control device is capable of programming at least one injecting phase of the contrast product at a predetermined flow rate followed by a rinsing phase at another predetermined flow rate and a programmed duration for injecting the contrast product based on a signal given during the injection by said triggering member when the contrast product is visualized in a region of interest.

Abstract: Porous coating for the controlled release of fluids such as drugs comprising a porous structure with internal reservoirs and passages, said reservoirs communicating with the external environment through said passages, in such a way that a fluid can move between the reservoirs and the external environment, characterized by the fact that for at least a group of said passages, each passage contains a restricting element which partially restricts the passage cross section.

Abstract: The invention relates to a device for injecting liquid, comprising a piece of tubing on which there is situated at least a first liquid occlusion system. According to the invention, a regulation system is situated upstream from the first occlusion system, the two systems defining an intermediate segment in which the pressure, in the absence of injection, is greater than the pressure that exists downstream from the first occlusion system so as to direct any leak of liquid from the first occlusion system downstream. The invention is applicable to a pump used for injecting contrast liquid for medical imaging.

Abstract: The invention relates to a microfluidic device comprising a first plate forming the substrate and including at least one perforation and, on either side of said first plate, at several locations, a material for defining passage portions consisting, in at least one of said locations, of an activatable material varying in volume on activation, said material being disposed at said locations in an arrangement that, during a first phase and upon activation of at least one location consisting of said activatable material, transforms it from a first configuration to a second configuration, modifying a three-dimensional network corresponding, in the second configuration and depending on the selected location(s) that are activated in said first phase, to different liquid paths including passage portions in offset planes parallel to the plane of the first plate, at least on either side of said first plate, and between which at least one of said perforations is located.

Abstract: The present invention relates to a process for fabricating a porous coatings with controlled structure in the micro and nano-size domain. In particular, but not exclusively, it relates to a process for fabricating coatings with an anisotropic pore size distribution and to coatings obtained using such coatings. It describes in particular the use of ink-jet method to deposit in a controlled way such coatings. It also relates to porous coatings with controlled structure in the micro and nano-size domain. The coating has a thickness between 10 nanometers and 10 millimeters and its porosity is created in such a way that the pore size distribution is anisotropic. It finally describes objects covered with this coating.

Abstract: The invention relates to a device for injecting liquid, comprising a piece of tubing on which there is situated at least a first liquid occlusion system. According to the invention, a regulation system (4) is situated upstream from the first occlusion system, the two systems defining an intermediate segment in which the pressure, in the absence of injection, is greater than the pressure that exists downstream from the first occlusion system so as to direct any leak of liquid from the first occlusion system downstream. The invention is applicable to a pump used for injecting contrast liquid for medical imaging.

Abstract: Medical device for administering a solution, said device comprising pumping means, a reservoir, means of communication between said reservoir and said pumping means, and a line for connecting the medical device to a patient, characterized in that it comprises means for determining the physical/chemical characteristics of the solution as a function of time by means of a mathematical model that takes account of the permeability of the reservoir walls as a function of time and the temperature of the solution.

Abstract: The present invention relates to a process for manufacturing a porous coating with structures in the micro or nano-size domain characterized by the following steps: -providing a support having a surface, -depositing on said surface one mono-layer of temporary particles, -depositing a coating on said temporary particles in such a way that the thickness of said coating is less than the particle diameter, -eliminating said temporary particles and thereby obtaining a porous coating, the pores of said coating corresponding to the spaces previously occupied by the temporary particles and at least a pail of the pores communicating with the external environment, -applying a coating fixation step, characterized by the fact that it furthermore comprise a filling step where said pores are at least partially filled with a liquid or solid substance. The invention also concerns a coating and an object which can be obtained with this process.

Abstract: The invention concerns a system and a method of use of said system for performing fluid administration on a patient, the system comprising: a liquid pump (1), a liquid distribution system (2) connected to said pump (1) in such a way that liquid can flow from the liquid distribution system (2) to the pump (1) and vice versa, liquid supply means (3) for supplying liquid to a patient (4) via said liquid distribution system (2) and said pump (1), a patient conduit (5) adapted for connecting said liquid distribution system (2) to a patient (4), the system being characterized by the fact that said liquid pump (1) is unidirectional and that said liquid distribution system (2) comprises switching means designed to alternatively connect the pump enter line (56) with the supply means (3) or with the patient conduit (5).

Abstract: Microfluidic system (1, 2, 10, 11, 16) comprising a first portion (3, 4, 24, 25) and a second portion (5-7), said first portion (3, 4) comprising a material which is able to change its volume when activated by an exciting factor, characterized by the fact that said first portion (3, 4) and said second portion (5-7) define a zone (3-7) which, when said first portion (3,4) is not yet activated by said exciting factor, shows a first topography devoid of any fluidic pathway and which, after activation by said exciting factor, shows a second topography (9, 14) which is adapted to contain at least one fluidic pathway, said microfluidic system furthermore comprising a tight cover surface (20) situated above said first portion (3, 4) and said second portion (5-7).