摘要:
The invention relates to a method for detecting the critical situation of a subject that comprises measuring a physiological parameter of said subject. The method is characterised in that it comprises the following steps: (a) measuring the physiological parameter; (b) calculating a variation rate of the physiological parameter; (c) determining a synthesis variable for the physiological parameter by taking into account both the value of the parameter and the variation rate thereof; and (d) detecting a critical situation (25) from said synthesis variable. Advantageously, the steps (a) to (c) are implemented for at least two physiological parameters, and the method further includes determining a global decision variable (23) from the different synthesis variables, the critical situation being detected during step (d) from said global decision variable. The invention can be used for improving the detection of accidents or health problems particularly for the elderly at their places of residence.
摘要:
The present invention relates a method for preparing a cyclic peptide with an anti-parasitic activity and an anticancer activity. The invention also relates to said peptide as an anti-parasitic agent, for example, in treating toxoplasmosis, and as an anti-cancer agent. The invention also relates to the use of said cyclic peptide in the ex vivo treatment of organs before transplantation.
摘要:
The invention relates to an image processing method for estimating a risk of atheroma plaque breakage, that includes the step of receiving (40) a so-called elastogram image representing the inner deformation resulting from the compression of an analysed blood vessel tissue based on blood pressure, the step of pre-segmenting (50) the elastogram in order to obtain a pre-segmented image including a plurality of areas, and the step of calculating an elasticity image (60) representing the elasticity of at least one region of the elastogram, the region corresponding to an area selected among the plurality of areas of the pre-segmented image, and the elasticity image enabling the user to estimate the risk of atheroma plaque breakage, wherein said method is characterised in that: the pre-segmentation is carried out while considering the tissue as being a non-compressible elastic solid in order to determine the Young modulus gradient as equal to the sum of the Lagrange multiplier gradient and of a space depending vector, and in that the pre-segmentation includes determining the outlines of each area in the plurality of areas using said space depending vector.
摘要:
The invention relates to a method for resetting a set of source points (S) in a reference image representing an organic tissue and a set of destination points (D) in a current image representing the deformed organic tissue. Said method involves the determination of a resetting function (R) by iterative minimisation of a resetting energy Ereg, the resetting function corresponding to a transformation enabling transfer from the source points of the reference image to the corresponding destination points (D) in the current image. The invention is characterised in that the resetting function (R) is an elastic resetting function satisfying the conditions that ensure that the physical criteria of the organic tissue are met, the conditions being: the Jacobian of the elastic resetting function is higher than 0, the resetting function is continuously differentiable, and the resetting function is bijective.
摘要:
The invention relates to a thermosensitive (poly(ethylene oxide) poly(propylene oxide))-acetal derivative, which can be used to functionalize chitosan, and to the process for the preparation thereof. The invention therefore also relates to a process for functionalizing chitosan by grafting this thermosensitive copolymer and optionally another thermosensitive polymer, poly(ethylene oxide). A subject of the invention is also a chitosan-(poly(ethylene oxide) poly(propylene oxide))-poly(ethylene oxide) derivative which has the advantage of being water-soluble at physiological pH. The invention therefore also relates to the aqueous compositions comprising this derivative and to the use of this composition for the manufacture of gel by heating.
摘要:
The invention concerns an aqueous composition comprising carbon nanotubes and a surfactant, characterized in that the carbon nanotubes are single-wall hydrophobic nanotubes and in that the surfactant is chosen among electropolymerizable surfactant monomers of formula (I): €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ X-Y-Z€ƒ€ƒ€ƒ€ƒ€ƒ(I) wherein: X is an electropolymerizable moiety selected from the group consisting of pyrrole, acetylene, phenol, aniline, thiophene, carbazole, indole and azulene Y is a hydrophobic hydrocarbon chain and Z is a polar group selected from the group consisting of quaternary ammonium salts, alkylphosphonates and sulfonates. The invention also relates to a method for the preparation of an aqueous composition as described above, comprising the following steps: i) solubilisation of the surfactant monomer ii) addition of the single-wall carbon nanotubes in the aqueous solution comprising said surfactant monomer, (iii) sonication of the resulting solution, and, optionally (iv) addition of a protein.
摘要:
The invention relates to a thermosensitive (poly(ethylene oxide) poly(propylene oxide))-acetal derivative, which can be used to functionalize chitosan, and to the process for the preparation thereof. The invention therefore also relates to a process for functionalizing chitosan by grafting this thermosensitive copolymer and optionally another thermosensitive polymer, poly(ethylene oxide). A subject of the invention is also a chitosan-(poly(ethylene oxide) poly(propylene oxide))-poly(ethylene oxide) derivative which has the advantage of being water-soluble at physiological pH. The invention therefore also relates to the aqueous compositions comprising this derivative and to the use of this composition for the manufacture of gel by heating.
摘要:
The invention relates to an endoscopic imaging system for observing an operation field (2) in a space (1) located inside the body of an animal, that comprises: an image acquisition means (3) for providing information on the operation field (2); a means (4) for processing the information from the acquisition means; a display means (5) for the information processed by the processing means (4), characterised in that: the acquisition means (3) includes at least two independent image acquisition devices mobile relative to each other, the image acquisition devices being adapted to be positioned in the space (1); and in that the processing means (4) includes computing means for obtaining three-dimensional information on the observed operation field (2) from the information received from the image acquisition devices, and a means for reconstructing a three-dimensional image of a region of interest in the operation field from the obtained three-dimensional information.
摘要:
The invention relates to a device for preventing urinary leakage to be implanted in a patient, that comprises: compression means (1, 3, 4, 5) for the patient's urethra; an electronic control means (2) for actuating the compression means (1, 3, 4, 5); characterised in that it further comprises a means (7) for measuring the patient's activity and coupled to the control means (2), wherein the control means (2) operates according to a predictive model of the urinary leakages based on the patient's activity in order to anticipate a potential urinary leakage based on the patient's measured activity.