http://dap.cooper.edu/ 2026-04-15T16:43:26-04:00 http://dap.cooper.edu/ http://dap.cooper.edu/lib/images/favicon.ico text/html 2011-05-03T01:33:14-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:april&rev=1304400794&do=diff 4/1/2011 * Met with Professor Lima today to discuss materials for the working prototype, when they would come in, and also needed to research valve manifolds to control the system of pumps that will be used to suck media out of the chamber. * Researched information on manifolds which will be added to the website shortly. text/html 2011-02-08T11:35:06-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:disk_drive_diagram&rev=1297182906&do=diff [Disk Drive Diagram] text/html 2011-03-13T23:42:00-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:february&rev=1300074120&do=diff 2/4/11 * updated wiki with more research on filtration membranes, injection molding, ultrasonic welding, etc. * preparations for video: introduce ourselves in context of the project, “have fun”, introduce project (what it is, why we need to do it) * met with Professor Lima discussing... * reformatting canine assembly to STL files for 3D printing * 3D printing prototype for human assembly * Nalgene Labware filtration systems * conduct SolidWorks tutorial on how to make a mo… text/html 2011-05-03T01:31:10-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:filter_pictures&rev=1304400670&do=diff In-Line Filters [In-Line Filters] 0.45 micron In-Line Filter [0.45 micron In-Line Filter] [0.45 micron In-Line Filter] [0.45 micron In-Line Filter] 0.2 micron In-Line Filter [0.2 micron In-Line Filter] [0.2 micron In-Line Filter] text/html 2011-03-09T21:51:57-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:filtration_membranes&rev=1299725517&do=diff Some basic information on filtration membranes can be found at <http://www.engineersedge.com/filtration/membrane-filtration-review.htm>. Common materials used include MCE (nitrocellulose), cellulose acetate, coated and hydrophobic teflon, nylon, polycarbonate, and glass, typically placed within an autoclave for sterilization. text/html 2011-04-30T21:40:39-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:flow_meter&rev=1304214039&do=diff Flowmeters are used to measure the mass or volumetric rate of flow for a liquid or gas. Some flow meters are designed to measure the rate of flow through the flow meter for a time period, while others measure the actual mass or volume that has passed through. Those that measure rate of flow, such as magnetic and turbine flow meters, do so by measuring the velocity of the fluid through the flow meter to determine volumetric flow. The positive displacement flow meter, which directly measures volum… text/html 2011-03-14T20:26:32-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:injection_molding&rev=1300148792&do=diff Injection Molding Injection molding is a method of shaping plastic resins accomplished by injection molding machines. Heating bands and thermocouples control the temperature. Injection Molding Video Some companies which may be necessary to perform/assist in the injection molding for our final project are: text/html 2011-03-06T15:53:36-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:january&rev=1299444816&do=diff 1/28/11 * met with Professor Lima to discuss our project * discovered that we need to research a lot * got solidworks drawings of possible prototypes * to do list: * problem statement * timeline for project * look over solidworks sketches * make list of questions * cobble prototype * background research: * sonic welding * research molding * research media filtration system * research manufacturers * 3d printing * me… text/html 2011-02-19T21:48:59-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:liquid_handling_systems&rev=1298170139&do=diff Currently, there is a wide array of systems that handle liquids. These range from simple pumps, which are very well documented, to complex customized systems to accomplish specialized tasks such as high-performance liquid chromatography. Information detailing these complex systems refers mainly to the aspects of them that are themselves specialized, and not usually to the manner in which liquid is handled. Other systems still are designed for customizable multi-purpose use, mainly in the chemica… text/html 2011-04-17T02:49:11-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:manifold&rev=1303022951&do=diff A manifold consists of a single pipe initially which is then branched into several other pipes, each of which can carry different substances through. It regulates fluid flow between pumps, actuators, and other components of a liquid system. A manifold is similar to a switchboard in electrical circuits in letting the operator control how much fluid flows between components of a machinery. text/html 2011-03-25T11:48:21-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:march&rev=1301068101&do=diff 3/1/11 * Called Nalgene Labware today. We were searching for a specific filter to transfer specific media in and out of a culture vessel. * Net sizes available were either 33 or 45 mL. * Learned that the DS0330 In-Line Filter was not a bottle-top filter. * The DS0320-2533 model, however, was more worthy of consideration. It has a 33 mL net size and 250-mL capacity for the upper chamber. * Typically the best type of filter for bi-directional transfer would be a syringe filter. * Bar… text/html 2011-05-03T12:44:00-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:may&rev=1304441040&do=diff 5/2 * Revised Solidworks model * Printed Solidworks model * Made final presentation Final Presentation text/html 2011-02-16T16:48:03-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:mesh_bag&rev=1297892883&do=diff Mesh Bags [Mesh bag] Analysis of Mesh Bag Practicality text/html 2011-05-01T22:06:56-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:minutes&rev=1304302016&do=diff Minutes January February March April May text/html 2011-02-16T11:07:20-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:protected&rev=1297872440&do=diff This Area is Protected for Design Development text/html 2011-03-15T23:27:10-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:pumps&rev=1300246030&do=diff Pumps are necessary to transfer media to and from the allograft preservation apparatus. Bulb Pump A simple pump consisting of a flexible bulb connected to an ingoing and outgoing tube. Both tubes are separated from the bulb by valves so fluid can move in only one direction. text/html 2011-05-03T15:58:29-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:rhino_assignment&rev=1304452709&do=diff text/html 2011-04-25T21:49:00-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:start&rev=1303782540&do=diff [Allograft preservation system] Problem Statement People get their bones damaged or deteriorated as a result of injury, disease, osteoarthritis, and old age. These injuries can have a negative impact on the rest of the patient’s life if the problem remains untreated. Often the most effective way of treating these individuals is through a transplant from a healthy donor. In most cases the donor has passed away, but the part of the body needed by the recipient is still in good condition. This p… text/html 2011-03-14T20:29:50-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:ultrasonic_welding&rev=1300148990&do=diff Ultrasonic Welding Ultrasonic welding is an industrial technique that uses high-frequency acoustic vibrations to create a solid-state weld. It is commonly used for plastics as well as for joining two dissimilar materials together. A primary advantage of ultrasonic welding is that it does not require any connective bolts, nails, soldering material or adhesives to bind the materials together. text/html 2011-03-09T22:46:10-04:00 http://dap.cooper.edu/doku.php?id=start:classes:principlesofdesign:allograftpreservation:valves&rev=1299728770&do=diff Here is a list of some background research done on several different types of valves, including their pros and cons, in order to determine which will be the best solution for our design: The following resources were used in the making of this chart: