Motion Control

Wireless Foot Switch Design Considerations

Key selection factors for OEMs to consider include wireless protocol selection, battery selection, operating-voltage and space constraints, and wireless receiver location. Wireless foot switches for the control of medical devices are gaining acceptance and growing in popularity — prompting OEMs to design medical equipment for use with a wireless foot switch or to accept a wireless foot switch as a pre-sale or post-sale option.

Posted in: Bio-Medical, Briefs, Briefs

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DC Motor Automates Patient Transfer Device

One of the growing problems facing nurses is a reduced staff, and with it the need to care for overweight patients with very little help. This effort has led to musculoskeletal disorders (MSDs) including back injuries. In fact, 12 percent of nurses leave the profession each year due to back injuries. Those working in nursing homes have an even higher rate of injuries. Until recently, moving a patient was performed manually or with minimal automation.

Posted in: Applications, Application Briefs

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Motors Keep Telescope Operating in Record-Low Antarctic Temperatures

At Concordia Station in Antarctica, there is a telescope mount that has been operating for a few years. Recently, there was a new record temperature at the Dome C site: -84.6 °C, or -199 °F. Not many things operate well in such conditions, but the telescope mount — which has to move continuously — used for scientific studies by the Laboratoire Universitaire d’Astrophysique de Nice (LUAN) is one of them.

Posted in: Applications, Application Briefs

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Robots and Vision Combine for Accurate Sheet Metal Cutting

In the general construction industry, many different parts are cut from sheet metal and then welded together on a large machine or vehicle. The trouble arises when the sheets are placed on the cutting table; the larger and heavier they are, the more difficult they are to position on the table. Without proper alignment, the sheet is likely to be cut outside acceptable tolerances, which results in waste and has a negative impact on the welding process. When sheets vary along the X, Y, and Z axes, the issue of exact positioning becomes even more problematic.

Posted in: Applications, Application Briefs

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Removing Digestive Tumors With a Therapeutic Endoscopy Teleoperation Robot

Endo Tools Therapeutics (ETT) is a medical device company based in Brussels, Belgium that was established in 2008. The company was formed after an innovative research project started in 2004 at Erasme Hospital (Université Libre de Bruxelles) and the faculty of engineering (Beams department, Université Libre de Bruxelles), based on the need for gastroenterologists to have more degrees of freedom when maneuvering an endoscope.

Posted in: Applications, Application Briefs

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Controlling Devices Using the Ear as an Output Source

This method creates a hands-free way of controlling devices such as medical equipment, wheelchairs, computers, and cell phones.Current methods of device control include joysticks, which involve using one or both hands, external microphones that are cumbersome and pick up ambient noise, and external arrays that are also cumbersome and can restrict a user’s movement. Additionally, the external microphone and array options do not provide a high level of accuracy in certain situations.

Posted in: Bio-Medical, Briefs, Briefs

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Computer-Assisted Laser Treatment Using Real-Time Retinal Tracking

This computerized system accurately guides laser shots to diseased retinal areas. Diabetic retinopathy resulting from long-term diabetes mellitus is one of the common diseases that leads to choroidal neovascularization (CNV), a leading cause of blindness. Among the currently available treatment methods, a laser can be used to photocoagulate the diseased areas. Several thousand laser shots are usually required during such treatment. Special care must be taken to avoid hitting the blood vessel tree, the macula, the optic disk, and the region among them. For a single eye, this procedure requires up to several hours that are usually divided over many treatment sessions. Consequently, the development of an accurate laser treatment guidance system to treat the whole retina in one session would improve the effectiveness of such procedures.

Posted in: Bio-Medical, Briefs, TSP, Briefs, TSP, Lasers & Laser Systems, Photonics

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