125 research outputs found

    Improving Healthcare Logistics Processes

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    Research Week 2012

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    Sustainable packaging in the healthcare industry

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    The recycling of plastics tends to lag behind other packaging materials. The research investigates opportunities to improve the capture of valuable packaging polymers and to preserve their specification during recycle operations, thus increasing second user opportunity. The legislative and policy drivers on the sustainable use of plastics are described and discussed with particular reference to achieving sustainability, reuse and recycle of healthcare packaging materials. Four strategic methods of achieving improvements in sustainability, reuse and recycle are developed to represent aspects of sorting of materials, collection of recyclables, replacement of unsustainable packaging materials and measurement of the environmental impacts of packaging and changes in packaging, using examples of packaging from GlaxoSmithKline consumer healthcare and medical products. The use of radio frequency identification methodology as a means of separating high quality plastics and individual reusable devices from mixed waste streams has been developed and trialled under simulated materials recycling and separation conditions. The use of Reverse Vending Machines (RVM's) designed to capture high quality polyethylene terephthalate polymers is described along with results of successful trials on this method of capture in the out of home consumption sector. Recovered material is suitable for reuse in food grade applications after reprocessing. A novel biodegradable packaging material has been successfully developed from sources of green waste as an alternative to existing polymer packaging materials for transport of vaccines, and provides results that are extendable to the replacement of other types of packaging over a wide range of consumer goods. The material also offers intangible benefits to a business in terms of claims that can be made within a corporate social responsibility (CSR) report. Life cycle analysis methodologies have been used to illustrate the environmental benefits that can be achieved by reuse of polypropylene as an example of a widely used packaging polymer with potential for reuse in other industrial sectors. The implications of the results obtained in this work should be of value in the future eco-design of polymer products designed to make end-of-life recovery and recycle more efficient and environmentally beneficial

    Battery-less near field communications (nfc) sensors for internet of things (iot) applications

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    L’ implementació de la tecnologia de comunicació de camp proper (NFC) en els telèfons intel·ligents no para de créixer degut a l’ús d’aquesta per fer pagaments, això, junt amb el fet de poder aprofitar l’energia generada pel mòbil no només per la comunicació, sinó també per transmetre energia, el baix cost dels xips NFC, i el fet de que els telèfons tinguin connectivitat amb internet, possibilita i fa molt interesant el disseny d’etiquetes sense bateria incorporant-hi sensors i poder enviar la informació al núvol, dins del creixent escenari de l’internet de les coses (IoT). La present Tesi estudia la viabilitat d’aquests sensors, analitzant la màxima distància entre lector i sensor per proveir la potència necessària, presenta tècniques per augmentar el rang d’operació, i analitza els efectes de certs materials quan aquests estan propers a les antenes. Diversos sensors han estat dissenyats i analitzats i son presentats en aquest treball. Aquests son: Una etiqueta que mesura la humitat de la terra, la temperatura i la humitat relativa de l’aire per controlar les condicions de plantes. Un sensor per detectar la humitat en bolquers, imprès en material flexible que s’adapta a la forma del bolquer. Dues aplicacions, una per estimació de pH i una altre per avaluar el grau de maduració de fruites, basats en un sensor de color. I, per últim, s’estudia la viabilitat de sensors en implants per aplicacions mèdiques, analitzant l’efecte del cos i proposant un sistema per augmentar la profunditat a la que aquests es poden llegir utilitzant un telèfon mòbil. Tots aquests sensors poden ser alimentats i llegits per qualsevol dispositiu que disposin de connexió NFC.La implementación de la tecnología de comunicaciones de campo cercano (NFC) en los teléfonos inteligentes no para de crecer debido al uso de esta para llevar a cabo pagos, esto, junto con el hecho de poder aprovechar la energía generada por el móvil no sólo para la comunicación, sino también para transmitir energía, el bajo coste de los chips NFC, i el hecho que los teléfonos tengan conectividad a internet, posibilita y hace muy interesante el diseño de etiquetas sin batería que incorporen sensores i poder enviar la información a la nube, enmarcado en el creciente escenario del internet de las cosas (IoT). La presente Tesis estudia la viabilidad de estos sensores, analizando la máxima distancia entre lector i sensor para proveer la potencia necesaria, presenta técnicas para aumentar el rango de operación, y analiza los efectos de ciertos materiales cuando estos están cerca de las antenas. Varios sensores han sido diseñados y analizados y son presentados en este trabajo. Estos son: Una etiqueta que mide la humedad de la tierra, la temperatura y la humedad relativa del aire para controlar las condiciones de plantas. Un sensor para detectar la humedad en pañales, impreso en material flexible que se adapta a la forma del pañal. Dos aplicaciones, una para estimación de pH y otra para evaluar el grado de maduración de frutas, basados en un sensor de color. Y, por último, se estudia la viabilidad de sensores en implantes para aplicaciones médicas, analizando el efecto del cuerpo y proponiendo un sistema para aumentar la profundidad a la que estos se pueden leer usando un teléfono móvil. Todos estos sensores pueden ser alimentados y leídos por cualquier dispositivo que disponga de conexión NFC.The implementation of near field communication (NFC) technology into smartphones grows rapidly due the use of this technology as a payment system. This, altogether with the fact that the energy generated by the phone can be used not only to communicate but for power transfer as well, the low-cost of the NFC chips, and the fact that the smartphones have connectivity to internet, makes possible and very interesting the design of battery-less sensing tags which information can be sent to the cloud, within the growing internet of things (IoT) scenario. This Thesis studies the feasibility of these sensors, analysing the maximum distance between reader and sensor to provide the necessary power, presents techniques to increase the range of operation, and analyses the effects of certain materials when they are near to the antennas. Several sensors have been designed and analysed and are presented in this work. These are: a tag that measures the soil moisture, the temperature and the relative humidity of the air to control the conditions of plants. A moisture sensor for diapers, printed on flexible material that adapts to the diaper shape. Two applications, one for pH estimation and another for assessing the degree of fruit ripening, based on a colour sensor. And finally, the feasibility of sensors in implants for medical applications is studied, analysing the effect of the body and proposing a system to increase the depth at which they can be read using a mobile phone. All of these sensors can be powered and read by any NFC enabled device

    The Rising Costs of Hospital Pharmaceutical Shortages and the Impact on Patient Care: Exploring the Use of Predictive Analytics in New York Area Hospitals

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    This qualitative case study examined the rising cost of hospital pharmaceutical shortages and the impact on patient care. This study also explored the use of predictive analytics to reduce costs and improve patient care efficiency. Increased health-care spending is partially due to prescription medication prices. Management of hospital drug procurement affects patient health, quality care, and hospital budgets, while risk management needs to minimize possible medication shortages. For patients to get the drugs that they need, pharmacists need to have resources at their fingertips to obtain a deep insight into the knowledge of drugs through the supply chain. The research questions concentrated on the causes of rising costs, the role of supply and demand, and the possibility of predictive analytics as a tool for inefficiencies relating to rising costs of hospital pharmaceutical shortages. The unexpected factor in this study was the impact of the Coronavirus (COVID-19) pandemic. Not only did COVID-19 alter the data collection method, but the data itself. Hospital pharmaceuticals were and still are greatly affected by the pandemic. The findings from this study was applied to the professional practice of business. Additionally, the researcher discussed the implication of the biblical worldview and the implication of the strategic management field of study. The report finished with suggestions for practice, suggestions for further analysis, reflections, and conclusions. The researcher also recommended that the study be conducted again with a specific pharmaceutical shortage and no global pandemic

    Semantic discovery and reuse of business process patterns

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    Patterns currently play an important role in modern information systems (IS) development and their use has mainly been restricted to the design and implementation phases of the development lifecycle. Given the increasing significance of business modelling in IS development, patterns have the potential of providing a viable solution for promoting reusability of recurrent generalized models in the very early stages of development. As a statement of research-in-progress this paper focuses on business process patterns and proposes an initial methodological framework for the discovery and reuse of business process patterns within the IS development lifecycle. The framework borrows ideas from the domain engineering literature and proposes the use of semantics to drive both the discovery of patterns as well as their reuse

    Radio frequency identification and time-driven activity based costing: RFID-TDABC

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    This thesis extends the use of Radio Frequency Identification (RFID) data for accounting of warehouse costs and services. Time Driven Activity Based Costing (TDABC) methodology is enhanced with the real-time collected RFID data about duration of warehouse activities. This allows warehouse managers to have an accurate and instant calculations of costs. The RFID enhanced TDABC (RFID-TDABC) is proposed as a novel application of the RFID technology. Application of RFID-TDABC in a warehouse is implemented on warehouse processes of a case study company. Implementation covers receiving, put-away, order picking, and despatching. RFID technology is commonly used for the identification and tracking items. The use of the RFID generated information with the TDABC can be successfully extended to the area of costing. This RFID-TDABC costing model will benefit warehouse managers with accurate and instant calculations of costs. Although the study is limited in the scope to applying presented RFIDTDABC model only to warehouse operations of a SME company, RFIDTDABC concept will be of value to both academics and practitioners by showing how warehouse costs can be accurately measured by using this approach. Providing better understanding of incurred costs may result in a further optimisation of warehousing operations, lowering costs of activities, and thus provide competitive pricing to customers

    Unobtrusive monitoring system for adherence to glaucoma eye-drop treatment

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    Glaucoma is the second most common cause of blindness and the leading cause of irreversible vision loss worldwide. Glaucoma is an eye condition that mostly occurs due to high intraocular pressure and requires immediate treatment. If not treated, it can lead to blindness. The main method to treat glaucoma involves reducing the pressure inside the eye. The available treatments for treating glaucoma include medications, laser procedures and incisional surgery. Treatment of glaucoma is greatly dependent on the type that a patient is experiencing. Though, eye drops are often the first treatment option when dealing with glaucoma. Should eye drops not work, then alternative surgical treatments can be used. The problem with glaucoma patients is that it’s difficult to determine whether treatment is failing because the eye drop is not an effective treatment for them or because they don’t adhere to their treatment. For assisting the clinician, this project will seek to build a possible solution that will address adherence and compliance issues leading the clinician to take more effective decisions for the patient and thus better-quality clinical outcomes. Currently a number of solutions exist to judge and evaluate effective compliance. These range from manual observations to some form of electronic monitoring that seek to establish how well the patient has been keeping track of their medication. This project and thesis will seek to review glaucoma as a medical disease and its impact upon society as a whole. It will also present a solution that will incorporate a paper-thin electronic wrap that would be situated on the bottle with a view to making this as inexpensive as possible. The electronic device or system will be capable of revealing more details to a clinician such as how often the device is used and when it will be squeezed. The next step of this thesis is to design a system to identify correct compliance among these patients. Overall, the outcome of this project resulted in the creation of an electronic monitoring device in the form of a flexible PCB which, given its software, is capable of noting down basic compliance metrics. None of this, however, confirms if the drop actually entered the eye. Advancing on this work, a system was built to accurately determine if a droplet entered the eye utilising vision technologies
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