{"product_id":"o-dive-dive-centre-and-instructor-edition-standard","title":"O-Dive Dive Centre and Instructor Edition Standard","description":"\u003cdiv class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-8e5cbd4\" data-id=\"8e5cbd4\" data-element_type=\"column\"\u003e\n\u003cdiv class=\"elementor-column-wrap elementor-element-populated\"\u003e\n\u003cdiv class=\"elementor-widget-wrap\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-6b77b4a elementor-position-left elementor-view-default elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"6b77b4a\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-icon-box-wrapper\"\u003e\n\u003cdiv class=\"elementor-icon-box-icon\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"elementor-icon-box-content\"\u003e\n\u003ch3 class=\"elementor-icon-box-title\"\u003eMulti-users\u003c\/h3\u003e\n\u003cp class=\"elementor-icon-box-description\"\u003eBy choosing O’Dive, you can as many user accounts as you want. Your friends can also benefit from your sensor\u003c\/p\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-47fc754 elementor-position-left elementor-view-default elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"47fc754\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-icon-box-wrapper\"\u003e\n\u003cdiv class=\"elementor-icon-box-icon\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"elementor-icon-box-content\"\u003e\n\u003ch3 class=\"elementor-icon-box-title\"\u003eAir \/ nitrox dive\u003c\/h3\u003e\n\u003cp class=\"elementor-icon-box-description\"\u003eTailored for recreational or sport diving, the O’Dive Sport addresses air or nitrox scuba diving to 40m depth on open circuit only\u003c\/p\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-ed28958 elementor-position-left elementor-view-default elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"ed28958\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-icon-box-wrapper\"\u003e\n\u003cdiv class=\"elementor-icon-box-icon\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"elementor-icon-box-content\"\u003e\n\u003ch3 class=\"elementor-icon-box-title\"\u003eConfidential\u003c\/h3\u003e\n\u003cp class=\"elementor-icon-box-description\"\u003eEach user is using their own confidential account. The data management policy at Azoth Systems is strictly following all the regulation regarding personal data confidentiality.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-50fdc5b elementor-position-left elementor-view-default elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"50fdc5b\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-icon-box-wrapper\"\u003e\n\u003cdiv class=\"elementor-icon-box-icon\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"elementor-icon-box-content\"\u003e\n\u003ch3 class=\"elementor-icon-box-title\"\u003eAutonomous\u003c\/h3\u003e\n\u003cp class=\"elementor-icon-box-description\"\u003eO’Dive sensor is easy to use and can be operated quickly in a fully autonomous way after surfacing.\u003c\/p\u003e\n\n\u003c\/div\u003e\n \n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"elementor-heading-title elementor-size-default\"\u003eO’Dive is committed to help improve scuba-diving safety\u003c\/h2\u003e\n\u003cdiv class=\"elementor-element elementor-element-50fdc5b elementor-position-left elementor-view-default elementor-vertical-align-top elementor-widget elementor-widget-icon-box\" data-id=\"50fdc5b\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\"\u003e\n\u003cdiv class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4a1d00c\" data-id=\"4a1d00c\" data-element_type=\"column\"\u003e\n\u003cdiv class=\"elementor-column-wrap elementor-element-populated\"\u003e\n\u003cdiv class=\"elementor-widget-wrap\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-641f23a elementor-widget elementor-widget-text-editor\" data-id=\"641f23a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\n\u003cstrong\u003eDecompression, a field to explore\u003c\/strong\u003e\n\nFor a 30-minute air dive at 30 metres and based on a standard level of conservatism (L0), \u003cstrong\u003edivers can be offered 12 to 21 minutes\u003c\/strong\u003e of decompression stops depending on the model of their computer. \u003cstrong\u003eThis range extends from 8 to 50 minutes\u003c\/strong\u003e if all available settings are considered.\n\nGiven the diversity of decompression algorithms and the number of possible settings, \u003cstrong\u003edivers have no tangible criteria to assess the level of suitability of their procedures\u003c\/strong\u003e to their own body.\n\n \n\n\u003c\/div\u003e\n\u003csection class=\"elementor-section elementor-inner-section elementor-element elementor-element-6df59e2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6df59e2\" data-element_type=\"section\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\"\u003e\n\u003cdiv class=\"elementor-row\"\u003e\n\u003cdiv class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-558bfa7\" data-id=\"558bfa7\" data-element_type=\"column\"\u003e\n\u003cdiv class=\"elementor-column-wrap elementor-element-populated\"\u003e\n\u003cdiv class=\"elementor-widget-wrap\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-82c0cda elementor-widget elementor-widget-heading\" data-id=\"82c0cda\" data-element_type=\"widget\" data-widget_type=\"heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch2 class=\"elementor-heading-title elementor-size-default\"\u003eA connected technology to better control the diving practice\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\u003csection class=\"elementor-section elementor-inner-section elementor-element elementor-element-78faf6c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"78faf6c\" data-element_type=\"section\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\"\u003e\n\u003cdiv class=\"elementor-row\"\u003e\n\u003cdiv class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-68264b1\" data-id=\"68264b1\" data-element_type=\"column\"\u003e\n\u003cdiv class=\"elementor-column-wrap elementor-element-populated\"\u003e\n\u003cdiv class=\"elementor-widget-wrap\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-c57acc4 elementor-widget elementor-widget-text-editor\" data-id=\"c57acc4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\n\u003cstrong\u003eA detailed outcome\u003c\/strong\u003e\n\nO’Dive includes a robust, compact \u003cstrong\u003evascular microbubble\u003c\/strong\u003e sensor (ultrasonic Doppler technology) connected to a server with specialised analysis capabilities.\n\nAfter the dive, divers place the sensor for twenty seconds under their left then right clavicle; they enter their dive parameters on the O’Dive application and synchronise their data.\n\nAbout an hour later, they can visualise a personal QI index which value, between 0 and 100%, reflects the quality of their decompression.\n\nWhen the quality index QI does not reach 100%, divers can access detailed information specifying the part of their result attributable to the severity of the dive itself (parameters) and the part attributable to the level of detected vascular microbubbles.\n\n \n\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-eaa3cb9 elementor-widget elementor-widget-heading\" data-id=\"eaa3cb9\" data-element_type=\"widget\" data-widget_type=\"heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch2 class=\"elementor-heading-title elementor-size-default\"\u003eA fully customized simulation to improve one’s practice\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection class=\"elementor-section elementor-inner-section elementor-element elementor-element-412db42 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"412db42\" data-element_type=\"section\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\"\u003e\n\u003cdiv class=\"elementor-row\"\u003e\n\u003cdiv class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-451e5bd\" data-id=\"451e5bd\" data-element_type=\"column\"\u003e\n\u003cdiv class=\"elementor-column-wrap elementor-element-populated\"\u003e\n\u003cdiv class=\"elementor-widget-wrap\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-de8ea7a elementor-widget elementor-widget-text-editor\" data-id=\"de8ea7a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\n\u003cstrong\u003eAn appropriate customization\u003c\/strong\u003e\n\nDivers can also measure, \u003cstrong\u003eby means of a simulation that is entirely theirs\u003c\/strong\u003e, the added value of several options on their practice:\n\u003cul\u003e\n \t\u003cli\u003eExtend the duration of the last stop\u003c\/li\u003e\n \t\u003cli\u003eBreathe a nitrox richer in oxygen at stops\u003c\/li\u003e\n \t\u003cli\u003eDive with nitrox, with the possibility of combining all these options\u003c\/li\u003e\n\u003c\/ul\u003e\nDive after dive, a customised model that is specific to each diver is refined over time to reflect as accurately as possible the added value of each previous options on their safety.\n\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-ab726dc elementor-widget elementor-widget-spacer\" data-id=\"ab726dc\" data-element_type=\"widget\" data-widget_type=\"spacer.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-spacer\"\u003e\n\u003cdiv class=\"elementor-spacer-inner\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-3dcb5c1 elementor-widget elementor-widget-heading\" data-id=\"3dcb5c1\" data-element_type=\"widget\" data-widget_type=\"heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch2 class=\"elementor-heading-title elementor-size-default\"\u003eState-of-the-art technology manufactured for the field\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection class=\"elementor-section elementor-inner-section elementor-element elementor-element-581ecac elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"581ecac\" data-element_type=\"section\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\"\u003e\n\u003cdiv class=\"elementor-row\"\u003e\n\u003cdiv class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-d55dcec\" data-id=\"d55dcec\" data-element_type=\"column\"\u003e\n\u003cdiv class=\"elementor-column-wrap elementor-element-populated\"\u003e\n\u003cdiv class=\"elementor-widget-wrap\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-ae761c7 elementor-widget elementor-widget-text-editor\" data-id=\"ae761c7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\n\u003cstrong\u003eDeveloped over 10 years of research\u003c\/strong\u003e\n\nO’Dive is the result of knowledge acquired \u003cstrong\u003eover 10 years of research and development\u003c\/strong\u003e by Azoth Systems in collaboration with laboratories, diving doctors, physiologists and diving safety professionals.\n\nAbout thirty experts from various backgrounds contributed to this knowledge. It is based on the analysis of \u003cstrong\u003ehundreds of thousands of dives\u003c\/strong\u003e and the development of a technology shaped by years of user testing.\n\nThis momentum has given rise to 4 research theses, numerous scientific articles and several patents.\n\n\u003c\/div\u003e\n \n\u003cdiv class=\"elementor-element elementor-element-5102f28 elementor-widget elementor-widget-heading\" data-id=\"5102f28\" data-element_type=\"widget\" data-widget_type=\"heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 class=\"elementor-heading-title elementor-size-medium\"\u003e1. O’Dive technological innovation : the missing element in decompression\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-4aeaf5a elementor-widget elementor-widget-text-editor\" data-id=\"4aeaf5a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\nAzoth Systems has developed an innovation that – for the first time in the world – allows scuba divers to \u003cstrong\u003epersonalize their diving practice by taking into consideration the gas microbubbles\u003c\/strong\u003e detected in their venous system after diving.\n\nThis innovation is the result of the knowledge developed during \u003cstrong\u003e10 years of Research and Development\u003c\/strong\u003e by Azoth Systems in collaboration with research laboratories, diving doctors, physiologists and safety professionals in scuba diving.\n\nAbout thirty experts from various backgrounds contributed to this knowledge. It is based on the \u003cstrong\u003eanalysis of hundreds of thousands of dives\u003c\/strong\u003e and the development of a technology shaped by years of user testing. This momentum has given rise to 4 research theses [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e1\u003c\/a\u003e] [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e2\u003c\/a\u003e] [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e3\u003c\/a\u003e] [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e4\u003c\/a\u003e], numerous scientific articles (e.g.  [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e5\u003c\/a\u003e] [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e6\u003c\/a\u003e] [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e7\u003c\/a\u003e]) and several patents.\n\n\u003cstrong\u003eWhat does the O’Dive innovation bring to scuba diving?\u003c\/strong\u003e\n\nA tool that allows the divers to \u003cstrong\u003eknow themselves better\u003c\/strong\u003e, to \u003cstrong\u003emeasure the quality of their decompression\u003c\/strong\u003e and the efficiency of selected procedures and to \u003cstrong\u003eimprove their safety\u003c\/strong\u003e.\u003cstrong\u003e\n\u003c\/strong\u003e\n\n \n\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-8ce82e0 elementor-widget elementor-widget-heading\" data-id=\"8ce82e0\" data-element_type=\"widget\" data-widget_type=\"heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 class=\"elementor-heading-title elementor-size-medium\"\u003e2. The context and the initial motivation of Azoth Systems\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-6cdde19 elementor-widget elementor-widget-text-editor\" data-id=\"6cdde19\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\nWhat is the adequation between the decompression models and the divers’ physiology if we consider the fact that most of the decompression sickness accidents (DCS) do occur in spite of the compliance with the ascension procedures?\n\n\u003cstrong\u003eThe observation is that any decompression algorithm is only a mathematical representation of the physiological phenomenon.\u003c\/strong\u003e\n\nMost of the accidents occur in spite of the respect of diving procedures: the divers have correctly followed the indications provided by their diving computers or their decompression tables. This situation, familiar to experienced divers, is revealing the fact that all the diving procedures (stops duration, ascent rate, gas breathed) are not necessarily adapted to all types of divers. Therefore, divers must question the relevance of the procedures they use. Given the number of possible settings of decompression algorithms, it must be noted that the divers have no tangible criteria to assess the level of suitability of the procedures to their individual physiology.\n\n\u003cimg class=\"size-medium wp-image-16182 aligncenter\" src=\"https:\/\/nautilus.uk\/wp-content\/uploads\/2024\/10\/fig1deco-300x193.png\" alt=\"\" width=\"300\" height=\"193\"\u003e\n\n\u003c\/div\u003e\n\u003cem\u003e\u003cstrong\u003eFigure 1\u003c\/strong\u003e – Illustration of the decompression stops durations for a 30’\/30m dive for seven computer models, in accordance with the conservatism levels (Source : thesis for the national instructor title – S. Le Maout, 2015)\u003c\/em\u003e\n\nThe figure above illustrates the fact that for an identical dive of 30 minutes at 30 meters breathing air – and based on the same “0” conservatism level of dive computer, the divers will be offered 12 to 21 minutes of decompression stops, depending on the computer model. Note that this is a minimum range. In practice, divers may be offered 8 to 50 minutes of stops if the full range of conservatism levels available is taken into consideration (conservatism levels at -2 to +5).\n\nIn this context, O’Dive’s interest is to provide divers with a criterion for assessing the quality of their practice, thus giving them the possibility to better control it.\n\nIn technical diving, the variability of proposed decompression procedures is even greater (see Figure 2). The majority of rebreather or Trimix divers use the Bühlmann type decompression algorithms where the ascension profile is guided by Gradient Factors (GF).\n\nThis modelling do offer a high level of flexibility but, without tangible criteria for the management and planification of the dives, the dispersion of the proposed ascension profiles is very large.\n\n\u003cimg class=\"size-medium wp-image-16183 aligncenter\" src=\"https:\/\/nautilus.uk\/wp-content\/uploads\/2024\/10\/fig2deco-GF-300x127.png\" alt=\"\" width=\"300\" height=\"127\"\u003e\n\n\u003cem\u003e\u003cstrong\u003eFigure 2\u003c\/strong\u003e – The diversity of depths of proposed first dive stops and of decompression duration depending on GF for a Trimix dive of 25’ at 70m\u003c\/em\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-8d04b5b elementor-widget elementor-widget-heading\" data-id=\"8d04b5b\" data-element_type=\"widget\" data-widget_type=\"heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3 class=\"elementor-heading-title elementor-size-medium\"\u003e3. O'Dive’s underlying approach: understanding the risk of DCS for a better prevention\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-d2ebb49 elementor-widget elementor-widget-text-editor\" data-id=\"d2ebb49\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\nIt remains difficult to completely identify the causes leading to pathogenic bubbles. These causes are often not quantifiable, most of them are interdependent and many – especially those occurring at a microscopic level – remain unknown.\n\nTo answer the question of DCS risk prediction, modern scientific techniques use a probabilistic approach involving mathematical models. Those models integrate the quantifiable parameters contributing to the risk – or at least correlated with it – to output the bounds of risk of the accident.\n\nWith its expertise in decompression modeling [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e5\u003c\/a\u003e], Azoth Systems has developed a series of predictive models called BORA (for Bubble Occurrence – Risk Attrition) to report the results observed in multiple databases. Big databases (defence, offshore) collected in the framework of collaborations and service delivery were analysed during almost 10 years: dive parameters of hundreds of thousands of dives (air, nitrox, trimix, open-circuit and closed-circuit Heliox), the bubble dynamics (Doppler measurements) of several thousand of these dives and the hundreds of accidents they led to, have been studied to calibrate these models [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e6\u003c\/a\u003e] [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e7\u003c\/a\u003e].\n\n\u003cstrong\u003eWhat main results does this data bring to light?\u003c\/strong\u003e\n\u003cul\u003e\n \t\u003cli\u003eFirst of all, they corroborate the previous results and allow to better define their shapes. For the air diving, the risk increases with the depth and the duration of dive and decreases when the total decompression time (stops) increases, according to a severity index Is as represented by the graph below (Figure 3). This result is obtained by the statistical analysis based on logistic regression of three defence databases accumulating more than a million of dives and about 300 cases of accidents (French Navy, US Navy and DRDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cimg class=\"size-medium wp-image-16184 aligncenter\" src=\"https:\/\/nautilus.uk\/wp-content\/uploads\/2024\/10\/fig3courbe-is-300x169.png\" alt=\"\" width=\"300\" height=\"169\"\u003e\n\n\u003cem\u003e\u003cstrong\u003eFigure 3\u003c\/strong\u003e – The probability of DCS (PDCS) as a function of severity index \u003cstrong\u003eIs\u003c\/strong\u003e taking into the account the depth, the duration of dive and the total decompression duration. The examples of parameters are presented as dive duration\/maximal depth for the square air dives.\u003c\/em\u003e\n\u003cul\u003e\n \t\u003cli\u003eThe same trends were proved for deep dives (DRDC database and COMEX heritage), allowing to extend the construction of severity index Is to multi-gas setting, with:\n\u003cul\u003e\n \t\u003cli\u003eA major interest in the introduction of Helium in the breathing gas composition\u003c\/li\u003e\n \t\u003cli\u003eThe interest of the oxygen-enriched breathing gas in the decompression phase\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\nboth well characterised with respect to the risk of the accident (logistic regression).\n\u003cul\u003e\n \t\u003cli\u003eThe pic of vascular microbubbles, observable in precordial or subclavian zones after dive, is the essential data for prediction of risk : accounting for it allows to refine the DCS probability curves (Figure 4). Indeed, the presence of microbubbles acts as an amplificator of risk associated to the dive severity [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e7\u003c\/a\u003e]: for dives with depths and durations necessitating decompression stops (i.e. dives on and above the security curve of no decompression) the observed risk ratio between a dive without or with few vascular microbubbles and a dive with a high bubble grade is about 10. This result is based on the analysis of a DRDC database including dive profiles, bubbles measurements in precordial and subclavian zones and accident status (more than 8000 exposures in hyperbaric chamber with more than 100 DCS).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cimg class=\"size-medium wp-image-16185 aligncenter\" src=\"https:\/\/nautilus.uk\/wp-content\/uploads\/2024\/10\/fig4courbe-is-grade-300x189.png\" alt=\"\" width=\"300\" height=\"189\"\u003e\n\n\u003cem\u003e\u003cstrong\u003eFigure 4\u003c\/strong\u003e – DCS probability laws as a function of the dive severity index (\u003cstrong\u003eIs\u003c\/strong\u003e) for 5 levels of post-dive microbubbles (measurements 30’ after surfacing)\u003c\/em\u003e\n\u003cul\u003e\n \t\u003cli\u003eDoppler bubble measurements in subclavian zone characterize the amplification of the risk better than precordial measurements [\u003ca href=\"https:\/\/o-dive.com\/en\/customized-decompression\/#references\"\u003e7\u003c\/a\u003e]\u003c\/li\u003e\n \t\u003cli\u003eThe depth of the first stop and the ascent rate to the first stop depend on the type of breathed gas (more or less rich in Helium) and on the exposure severity (COMEX heritage). The introduction of deep stops finds its limits: Azoth cannot evaluate the benefits of deep stops when they are not in this heritage.\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-a6d8c90 elementor-widget elementor-widget-heading\" data-id=\"a6d8c90\" data-element_type=\"widget\" data-widget_type=\"heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 class=\"elementor-heading-title elementor-size-medium\"\u003e4. How does the O’Dive application operate? What information is provided to divers?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-998de2c elementor-widget elementor-widget-text-editor\" data-id=\"998de2c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\n\u003cstrong\u003eAfter each dive\u003c\/strong\u003e followed by a microbubble measurement, and based on the dive profile imported into the application, O’Dive provides divers with \u003cstrong\u003ean information on the quality of their desaturation\u003c\/strong\u003e.\n\nThere are ideally two series of measurements, the first 30’ after surfacing* and the second 30′ later, within the optimal time interval for the bubble peak detection.\n\u003cem\u003e*For dives with a helium fraction higher as the nitrogen one, we recommend to perform the first series of measurements as soon as possible after surfacing, without, however, making additional efforts due to precipitation.\u003c\/em\u003e\n\nThis indication is expressed by means of a \u003cstrong\u003equality index (QI)\u003c\/strong\u003e with a value ranging between 0 and 100%. It reflects a relative risk.\n\n \n\n\u003cstrong\u003eHow is the quality index QI computed?\u003c\/strong\u003e\n\nThe QI index takes into account both \u003cstrong\u003ethe dive severity\u003c\/strong\u003e (Is index, reflecting the physiological stress associated to the dive parameters) and \u003cstrong\u003ethe level of microbubbles\u003c\/strong\u003e measured after dive using the vascular Doppler sensor.\nThe 100% value is a risk reference level (less than 5 per 10,000). It corresponds to the level of physiological stress experienced by a diver during a no-decompression air dive not generating any vascular microbubbles.\n\nThe QI index is computed using a simple formula\n\n\u003cstrong\u003eQI=100-(Sc+Bc)\n\u003c\/strong\u003e\n\nwith:\n\u003cul\u003e\n \t\u003cli\u003eSc (Severity component, ranging between 0% and 100%): specific to the dive (exposure, decompression procedure, breathed gases), it reflects the Is index\u003c\/li\u003e\n \t\u003cli\u003eBc (Bubbles component, ranging from 0% to 40%): specific to the subject’s response to the dive\u003c\/li\u003e\n\u003c\/ul\u003e\nAs the QI index decreases, the DCS risk increases. Three zones have been identified to guide the user:\n\n\u003c\/div\u003e\n\u003cimg class=\"size-medium wp-image-16186 aligncenter\" src=\"https:\/\/nautilus.uk\/wp-content\/uploads\/2024\/10\/Screenshot-2021-07-14-at-12.18.51-300x115.png\" alt=\"\" width=\"300\" height=\"115\"\u003e\n\nStatistical analysis shows, with a good confidence level, that a QI index lower than 75% is associated with a risk higher than 2 per 10 000 and a QI index lower than 50% is associated with a risk greater than 1% (lower bound of the risk).\n\n\u003cimg class=\"size-medium wp-image-16187 aligncenter\" src=\"https:\/\/nautilus.uk\/wp-content\/uploads\/2024\/10\/fig5IQ-300x182.png\" alt=\"\" width=\"300\" height=\"182\"\u003e\n\n\u003cem\u003e\u003cstrong\u003eFigure 5\u003c\/strong\u003e – Examples of IQ index for three dives (50m, 51m and 40m).\u003c\/em\u003e\n\n\u003cstrong\u003e\nDetails of the result\u003c\/strong\u003e\n\nWhen the quality index does not reach 100%, the diver can access detailed information.\nThe decompression optimisation margin (i.e. the complement of the QI to 100%) can be visualized splitted in two components: the severity of the dive profile (Sc) and the production of vascular microbubbles (Bc).\n\n\u003c\/div\u003e\n\u003cimg class=\"size-medium wp-image-16188 aligncenter\" src=\"https:\/\/nautilus.uk\/wp-content\/uploads\/2024\/10\/result-300x133.jpg\" alt=\"\" width=\"300\" height=\"133\"\u003e\n\n\u003cem\u003eDetail of a bargraph’s components\u003c\/em\u003e\n\nNote that two different dives of the same diver, with very different bubble levels, can lead to similar QI values (for example: a dive with moderate severity and many bubbles vs. a dive with high severity and few bubbles) .\n\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-0386480 elementor-widget elementor-widget-heading\" data-id=\"0386480\" data-element_type=\"widget\" data-widget_type=\"heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3 class=\"elementor-heading-title elementor-size-medium\"\u003e5. What other feature does O'Dive offer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-dd41b2a elementor-widget elementor-widget-text-editor\" data-id=\"dd41b2a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\nThe O’Dive application is divided into 4 versions: Sport, Advanced, CCR and Technical. They enable the management of all kind of dives: from open-circuit air dives to closed-circuit (rebreather) dives with Trimix diluent up to 125 meters (details available here: \u003ca href=\"https:\/\/o-dive.com\/commercial-offers\/\"\u003ehttps:\/\/o-dive.com\/commercial-offers\/\u003c\/a\u003e). In addition to the results dynamically computed for each dive, O’Dive allows to visualise the simulated effects of the modification of a set of dive parameters on the QI index.\n\n\u003cstrong\u003eIn the \u003cem\u003eSport\u003c\/em\u003e and \u003cem\u003eAdvanced\u003c\/em\u003e versions\u003c\/strong\u003e, the diver can quantify the benefits of the following options:\n\u003cul\u003e\n \t\u003cli\u003eExtend the duration of the last stop\u003c\/li\u003e\n \t\u003cli\u003ePlan the decompression using Nitrox richer in oxygen, with a possibility to set the value up to 100%O2\u003c\/li\u003e\n \t\u003cli\u003ePlan the use of Nitrox as bottom gas, setting the value of %O2 up to 1.4 bar of Pp O2\u003c\/li\u003e\n \t\u003cli\u003eSet the Low and High Gradient Factors (GF) being guided by the application towards the optimal choices of the first stop and the total decompression time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cimg class=\"size-medium wp-image-16189 aligncenter\" src=\"https:\/\/nautilus.uk\/wp-content\/uploads\/2024\/10\/Sans-titre-11-1-300x180.png\" alt=\"\" width=\"300\" height=\"180\"\u003e\n\n\u003c\/div\u003e\n\u003cem\u003eExample of 31m Air\/Nitrox dive, result and planification\u003c\/em\u003e\n\n\u003cstrong\u003eThe \u003cem\u003eCCR\u003c\/em\u003e and \u003cem\u003eTechnical\u003c\/em\u003e applications\u003c\/strong\u003e offers an extended list of functionalities, including the following simulation options:\n\u003cul\u003e\n \t\u003cli\u003eExtend the duration of the last stop\u003c\/li\u003e\n \t\u003cli\u003eSet the PpO2 value of the high set-point (closed circuit decompression)\u003c\/li\u003e\n \t\u003cli\u003ePlan the open circuit decompression using Nitrox richer in oxygen, with a possibility to set the value up to 100%O2\u003c\/li\u003e\n \t\u003cli\u003eFor air dives, plan the use of Trimix as bottom gas. After setting the value of %He, the application gives the optimal value of %O\u003csub\u003e2\u003c\/sub\u003e depending on CCR or OCR mode\u003c\/li\u003e\n \t\u003cli\u003eChange the Trimix composition by setting different %He in CCR or OCR mode.\u003c\/li\u003e\n \t\u003cli\u003eSet Low and High GF being guided by the application towards the most suitable values, reflecting the choice of the first stop and the total decompression time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cimg class=\"size-medium wp-image-16190 aligncenter\" src=\"https:\/\/nautilus.uk\/wp-content\/uploads\/2024\/10\/Sans-titre-11-copie2-300x180.png\" alt=\"\" width=\"300\" height=\"180\"\u003e\n\n\u003cem\u003eExample of 74m CCR dive, result and planification\u003c\/em\u003e\n\nDive after dive, a customised model that is specific to each diver is refined to reflect as accurately as possible the added value of each of the above options on the safety.\n\nFor this purpose, the quality index QI was designed in such a way that when it increases by 33%, the diver’s safety level is multiplied by 10. This security improvement is shown in the simulation window.\n\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-f623a63 elementor-widget elementor-widget-heading\" data-id=\"f623a63\" data-element_type=\"widget\" data-widget_type=\"heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3 class=\"elementor-heading-title elementor-size-medium\"\u003e6. What are the limitations of the information provided by the system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-8c19da4 elementor-widget elementor-widget-text-editor\" data-id=\"8c19da4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"elementor-text-editor elementor-clearfix\"\u003e\n\nIt is important to clearly define the area of application of O’Dive, which, as should be noted, does not fall into the category of medical devices. Some information, such as medical information, is voluntarily not considered by the system.\nThe consideration of medical information or observations that are part of the regulatory visit process remains essential and must be separated from the use of the product.\n\nThe objective of the O’Dive system is, it should be reminded, to assess the quality level of a practice with respect to the quality index QI taking into account:\n\u003cul\u003e\n \t\u003cli\u003ethe severity index of diving exposure “Is”, the risk factor related directly to dive parameters;\u003c\/li\u003e\n \t\u003cli\u003ethe quantity of vascular microbubbles detected after the dive, acting as a risk amplifier.\u003c\/li\u003e\n\u003c\/ul\u003e\nStudies carried out using some of the best documented databases illustrate the relevance and meaning of this approach to DCS prevention. O’Dive is therefore a very useful tool, allowing divers to get to know themselves better and to improve their practice with regards to the risk of decompression sickness\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"O","offers":[{"title":"Default Title","offer_id":57015035363703,"sku":"OD-ODiveDCEStd","price":1250.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/5857\/6915\/files\/ODiveSport1-1536x1024-1_4507d731-faf9-4c69-a643-f2dde0a11a2f.png?v=1776462526","url":"https:\/\/findivers.com\/products\/o-dive-dive-centre-and-instructor-edition-standard","provider":"Fin Divers","version":"1.0","type":"link"}