Patent application number | Description | Published |
20080247628 | Determination of a Change in a Cell Population - The present invention relates to a method and a system for determination of a change in a cell population, as well as a method for using said method and system for estimating a quality measure of embryos and for selecting embryos for in vitro fertilisation, said method comprising the steps of sequentially acquiring at least two images of the cell population, comparing at least a part of the at least two images obtaining at least one difference image, computing a parameter from the at least one difference image, based on said computed parameter determining whether a change has occurred. | 10-09-2008 |
20100041090 | EMBRYO QUALITY ASSESSMENT BASED ON BLASTOMERE DIVISION AND MOVEMENT - The invention concerns a system and method for determining embryo quality comprising monitoring the embryo for a time period, said time period having a length sufficient to comprise at least one cell division period and at least a part of an inter-division period, and determining the length of the at least one cell division period; and/or ii) determining the extent and/or spatial distribution of cellular or organelle movement during the cell division period; and/or iii) determining duration of an inter-division period; and/or iv) determining the extent and/or spatial distribution of cellular or organelle movement during the inter-division period thereby obtaining an embryo quality measure. Thus, the selection of optimal embryos to be implanted after in vitro fertilization (IVF) is facilitated based on the timing, duration, spatial distribution, and extent of observed cell divisions and associated cellular and organelle movement. | 02-18-2010 |
20110183367 | DEVICE AND METHOD FOR NON-INVASIVE MEASUREMENT OF THE INDIVIDUAL METABOLIC RATE OF A SUBSTANTIALLY SPHERICAL METABOLIZING PARTICLE - The present invention relates to methods and devices for non-invasive and non-disturbing measurements of metabolizing rates of substantially spherical metabolizing particles, such as an embryo, and to a method and device for controlling oxygen partial pressure at the level of the embryo. Furthermore, the invention relates to a method for regulating supply of metabolites to a substantially spherical metabolizing particle, as well as a method for selecting substantially spherical metabolizing particles of a predetermined quality. The invention is carried out in a device capable of establishing a diffusion gradient of metabolites between the substantially spherical metabolizing particle inside a compartment in the device and the environment outside the compartment. The metabolizing rate is determined based on information of the metabolite diffusion gradient. | 07-28-2011 |
20120309043 | EMBRYO QUALITY ASSESSMENT BASED ON BLASTOMERE DIVISION AND MOVEMENT - The invention concerns a system and method for determining embryo quality comprising monitoring the embryo for a time period, said time period having a length sufficient to comprise at least one cell division period and at least a part of an inter-division period, and determining the length of the at least one cell division period; and/or ii) determining the extent and/or spatial distribution of cellular or organelle movement during the cell division period; and/or iii) determining duration of an inter-division period; and/or iv) determining the extent and/or spatial distribution of cellular or organelle movement during the inter-division period thereby obtaining an embryo quality measure. Thus, the selection of optimal embryos to be implanted after in vitro fertilization (IVF) is facilitated based on the timing, duration, spatial distribution, and extent of observed cell divisions and associated cellular and organelle movement. | 12-06-2012 |
20130102837 | EMBRYO QUALITY ASSESSMENT BASED ON BLASTOMERE DIVISION AND MOVEMENT - The invention concerns a system and method for determining embryo quality comprising monitoring the embryo for a time period, said time period having a length sufficient to comprise at least one cell division period and at least a part of an inter-division period, and determining the length of the at least one cell division period; and/or ii) determining the extent and/or spatial distribution of cellular or organelle movement during the cell division period; and/or iii) determining duration of an inter-division period; and/or iv) determining the extent and/or spatial distribution of cellular or organelle movement during the inter-division period thereby obtaining an embryo quality measure. Thus, the selection of optimal embryos to be implanted after in vitro fertilization (IVF) is facilitated based on the timing, duration, spatial distribution, and extent of observed cell divisions and associated cellular and organelle movement. | 04-25-2013 |
20130225917 | EMBRYO QUALITY ASSESSMENT BASED ON BLASTOMERE DIVISION AND MOVEMENT - The invention concerns a system and method for determining embryo quality comprising monitoring the embryo for a time period, said time period having a length sufficient to comprise at least one cell division period and at least a part of an inter-division period, and determining the length of the at least one cell division period; and/or ii) determining the extent and/or spatial distribution of cellular or organelle movement during the cell division period; and/or iii) determining duration of an inter-division period; and/or iv) determining the extent and/or spatial distribution of cellular or organelle movement during the inter-division period thereby obtaining an embryo quality measure. Thus, the selection of optimal embryos to be implanted after in vitro fertilization (IVF) is facilitated based on the timing, duration, spatial distribution, and extent of observed cell divisions and associated cellular and organelle movement. | 08-29-2013 |
20140087415 | EMBRYO QUALITY ASSESSMENT BASED ON BLASTOMERE CLEAVAGE AND MORPHOLOGY - The present invention relates to a method and to a system for selecting embryos for in vitro fertilization based on the timing, and duration of observed cell cleavages and associated cell morphology. One embodiment of the invention relates to a method for determining embryo quality comprising monitoring the embryo for a time period, and determining one or more quality criteria for said embryo, wherein said one or more quality criteria is based on the extent of irregularity of the timing of cell divisions when the embryo develops from four to eight blastomeres, and/or wherein said one or more quality criteria is based on determining the time of cleavage to a five blastomere embryo (t5) and wherein t5 is between 48.7 hours and 55.6 hours, and/or wherein said one or more quality criteria is based on the ratio of two time intervals, each of said two time intervals determined as the duration of a time period between two morphological events in the embryo development from fertilization to eight blastomeres, and based on said one or more quality criteria determining the embryo quality. | 03-27-2014 |
20140128667 | ADAPTIVE EMBRYO SELECTION CRITERIA OPTIMIZED THROUGH ITERATIVE CUSTOMIZATION AND COLLABORATION - The present invention relates to a system and a method for determining quality criteria in order to select the most viable embryos after in vitro fertilization. The present invention may further be applied for iteratively adapting embryo quality criteria based on new knowledge, historical selection & fertilization data and cooperation between fertility clinics. | 05-08-2014 |
20140141463 | DEVICE, A SYSTEM AND A METHOD FOR MONITORING AND/OR CULTURING OF MICROSCOPIC OBJECTS - The present invention relates to a device, a system and a method for performing monitoring and/or cultivation of microscopic objects. Microscopic objects are in particular microscopic organisms like bacteria and cell cultures, such as cultivation objects like tissue samples and embryos, providing optimal and safe cultivation conditions for incubation during embryo development and for facilitating the selection of optimal embryos to be used in vitro fertilization (IVF) by facilitating embryo handling for automated digital imaging and time-lapse microscopy. | 05-22-2014 |
20140212911 | ONE TO ONE IDENTIFICATION SYSTEM - The present invention relates to a system arranged for assisting secure handling of cells in order to minimize the risk of handling mistakes resulting in mix-up of cell samples. The system allows for one to one identification of cells during a whole culturing period. This is obtained by providing a culturing system with loading/exit control means which ensures that only one device is capable of being loaded/removed at a time. | 07-31-2014 |