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47 items tagged "medical"
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4:01
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Hack a Day
It’s not every day one of the builds on Hackaday gets picked up by a big-name publication, and it’s even rarer to see a Hackaday contributor grace the pages of an actual print magazine. Such is the case with [Adam Munich] and his home-built x-ray machine. We first saw [Adam]‘s x-ray machine at the beginning of [...]
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17:01
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Hack a Day
After seeing some heart rate monitor apps for Android which use the camera and flashlight features of the phones, [Tyson] took on the challenge of coding this for himself. But he’s not using a smart phone, instead he grabbed a headlamp and webcam for his heat rate monitor. To start out he recorded a test video with [...]
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15:01
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Hack a Day
It’s somewhat amazing how these rather inexpensive electronics can augment the functionality of a common stethoscope. This digital stethoscope is using audio processing to add the features. A standard chest piece feeds a condenser microphone which is fed through a pretty standard OpAmp circuit which supplies the ADC of an ATmega644. After being digitized, the heart sound [...]
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11:59
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Hack a Day
[Radek] from Poland sent in a neat video of a bionic prosthetic leg he made for one of his patients. Even though [Radek] says it’s a ‘prototype of a prototype,’ we’d have to agree with him that it’s a very neat build that could provide inexpensive motorized prosthetic legs to amputees in the future. [Radek] has been [...]
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4:29
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Hack a Day
Normally, colonoscopies are rather invasive affairs. Swallowing a small pill with a camera is much more amenable to a patient’s dignity and are seeing increasing usage in colon cancer screening. [Mike] acquired a pillcam from a relative who underwent the procedure and did a teardown to figure out how it works. To get the video [...]
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7:01
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Hack a Day
Here’s something we thought we’d never see on Hackaday. [Chris Suprock] is developing an artificial heart he calls Steel Heart. It’s an artificial heart powered by electromagnets and ferrofluids. The idea behind [Chris]‘ artificial heart is ingenious in its simplicity. An elastic membrane is stretched across a frame and a magnetic liquid (or ferrofluid, if you prefer) is poured across [...]
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14:26
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Hack a Day
We always enjoy seeing what Electrical and Computer Engineering students dream up for their final projects, and though we must have missed this back in 2010 when it was published, [Bruce Land] dropped us a line to bring our attention to this cool Haptic Exercise Coach. Designed and built by Cornell students [Michael Lyons] and [...]
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14:01
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Hack a Day
[Lee] is nearsighted and has had it with contacts and glasses. When trying to figure out an alternative, he looked at the core of the problem. The eye is not shaped correctly and therefore cannot focus adequately. The solution is to change the shape of the lens. This is exactly what lasik (laser eye surgery) [...]
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6:01
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Hack a Day
Even though she’s only in 8th grade, [Hannah Prutchi] is turning into a very respectable builder. She designed SharkVision, a wearable distance sensor that is meant to help the blind find objects they might bump into. The SharkVision gets its name from shark’s ability to ‘see’ prey in their surroundings by sensing the local magnetic [...]
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11:01
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Hack a Day
This is a screenshot from a video tutorial on making your own prosthetic parts from 2-liter soda bottles. The opaque white part is a mold made of plaster. It’s a representation of the wearer’s limb, and provides the hard, heat-resistant form necessary for this manufacturing technique. You can see the clear plastic soda bottle which fits over [...]
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15:01
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Hack a Day
[Jorge]‘s son was born in 2004 after a troubling time in the womb. The son, [Ivo], wasn’t getting enough oxygen and unfortunately developed cerebral palsy. [Jorge] took it upon himself to improve his son’s life, so he got busy building some machinery for physical therapy. Today, [Ivo] is able to walk very well without the [...]
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15:01
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Hack a Day
If you set a cardiac nurse loose on a Propeller microcontroller and some parts you might not know what to expect. But we’re intrigued by the outcome of this project which looks to mimic a heartbeat’s audible and electrical traits. The post about the project is in four parts which are not linked to each [...]
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8:01
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Hack a Day
[Linas] built himself an x-ray generator for a scholarship contest. We assume this wasn’t enough of a challenge for [Linas] because after the x-ray generator was done, he used his project to model objects in 3D (Google Translate link). It’s an amazing build, leaving us feeling sorry for the guy that came in second place [...]
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7:02
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Hack a Day
[Paul] really wanted to know what his brain was thinking. No, really. He is aware of all the thoughts that come and go, but he wanted to know what was going on in his brain below his conscious thought stream. Armed with a MindFlex headset and a Teensy, he set out to decode what really [...]
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15:01
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Hack a Day
We’re not quite sure what’s going on with our fellow hackers lately, but they all seem quite interested in finding inventive ways to scramble their brains. [Ben Krasnow] has put together a pair of videos detailing his experiments in transcranial magnetic stimulation, a process that looks like it would go quite nicely with the Brainwave [...]
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13:42
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Hack a Day
Flickr user [n Bryan] has been keeping busy lately, trying his hand at developing some cranial electrotherapy stimulation instruments for home use. While visions of [Peter Venkman] electrocuting hapless college students initially came to mind, this sort of therapy is not the same thing, nor as painful as what is depicted in the film. Cranial [...]
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9:17
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Hack a Day
Whether you believe in it or not, the science behind brainwave entrainment is incredibly intriguing. [Rich Decibels] became interested in the subject, and after doing some research, decided to build an entrainment device of his own. If you are not familiar with the concept, brainwave entrainment theory suggests that low-frequency light and sound can be [...]
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15:01
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Hack a Day
[Ray] likes to build all sorts of Propeller-based projects, but one of the more interesting items we came across was this DIY ECG. While we have covered other DIY electrocardiograms before, he left the breadboard behind and put together a nicely done PCB for his build. The ECGs design should be pretty familiar to anyone [...]
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4:02
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Hack a Day
Not satisfied with the traditional daily pill boxes, [Ryan] set out to build his own. According to his article, these particular pills had to be taken every three days, and he wanted a solution that required “zero effort.” Although one might question whether his solution actually took this amount of effort, the build came out [...]
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12:30
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Hack a Day
The folks at Advancer Technologies just release a muscle sensor board with a great walk through posted on Instructables describing how this board measures the flexing of muscles using electromyography. Using the same electrode placement points as the remote controlled hand we covered earlier, the muscle is measured by sensing the voltage between the muscle [...]
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4:07
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Hack a Day
[Emi Tamaki], [Miyaki Takashi] and [Jun Rekimoto] at the University of Tokyo came up with a device called the PossessedHand that electrically stimulates muscles to train someone to play a the koto, a Japanese stringed instrument. The PossessedHand ‘triggers’ individual fingers with precisely placed electrodes. Sixteen joints in the hand can be controlled independently by [...]
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13:46
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Hack a Day
After a motorcycle accident that cost him is arm [Martin] and his son [Luke] chose not to give up. They used their considerable mechanical skills to create a replacement robotic arm which allowed Martin to start doing some of the simple things he had been unable to do with the prosthetic he was originally fitted [...]
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8:14
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Hack a Day
If you ever watched MacGyver as a kid, you know that given any number of random objects, he could craft the exact tool he would need to get out of a sticky situation. If he ever made his way into the medical research field, you could be sure that this test for Acute Pancreatitis would [...]
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7:03
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Hack a Day
Medical conditions that prevent individuals from being able to walk are difficult to handle, even more so if the patient happens to be a child. Shriner’s hospitals treat a good number of children suffering from cerebral palsy, spina bifida, or amputations. They are always looking for creative treatment methods, so their Motion Analysis Laboratory looked [...]
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8:01
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Hack a Day
With all the talk of radiation in the media today [freddysam] posted a quick Instructable about using standard camera film as a radiation dosimeter. Film is sensitive to other forms of radiation other than visible light, and high speed films are even more susceptible due to their chemistry, which has caused all sorts of headaches [...]
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7:02
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Hack a Day
[joe] wanted to make it easy to record his weight every day, and added a few bits to decode the weight and send it to his computer. The end result is a ZigBee-powered wireless scale. Additionally, his scale can track more than one person’s data simply by knowing whose previous weight the new measurement is [...]
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8:00
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Hack a Day
Here’s a story of an ocularist who makes prosthetic eyes from glass. Obviously here’s a necessary and important service, but we find it surprising that this seems something of a dying art. [Mr. Haas] lives in the UK but notes that most glass eye makers have been German, and tend to pass the trade down [...]
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13:00
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Hack a Day
[Jonathan Post] has a way to watch 3D video without wearing shutter glasses but it might be kind of a hard product to break into the market. As you can see above, a pair of electrodes are stuck on a viewer’s eyelids, using electricity to alternately close each eye. The video after the break shows a [...]
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5:00
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Hack a Day
The use of brainwaves as control parameters for electronic systems is becoming quite widespread. The types of signals that we have access to are still quite primitive compared to what we might aspire to in our cyberpunk fantasies, but they’re a step in the right direction. A very tempting aspect of accessing brain signals is [...]
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15:00
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Hack a Day
Our little red-eyed friend can drive this vehicle around with his mind. WITH HIS MIND, MAN! This is the product of research into adaptive technologies. The process is pretty invasive, implanting neural electrodes in the motor cortex of the brain. The hope is that some day this will be a safe and reliable prospect for [...]
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14:00
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Hack a Day
It has been recently discovered that all of the snap decisions that your brain makes on which hand to use to do simple tasks, such as picking up an object from a table, can now be automatically decided for you. This is done using magnetic stimulation that is applied using transcranial magnetic stimulation or TMS. [...]
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12:00
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Hack a Day
This module is a sensor package for monitoring the electrical activity of the heart. It is the product of an effort to create a Wireless Body Sensor Network node that is dependable while consuming very little electricity, which means a longer battery life. To accomplish this, the microcontroller in charge of the node compresses the data [...]
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7:42
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Hack a Day
If you’re in need of eye surgery you might just find yourself strapped into this contraption. It’s a magnetic field generator used to manipulate a tiny, untethered probe. It’s called OctoMag and the idea is that a robot less than half a millimeter in size is injected into your vascular system and, through the use of those [...]
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7:41
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Hack a Day
Want to control things with your mind? The Emotiv EPOCH EEG is one of the best pieces of hardware you can get that is ready to be hacked into your project. Too bad the entry-level SDK will set you back $500. Or you can take advantage of [Cody Brocious'] work by using his Emotiv Python [...]
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15:00
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Hack a Day
Master EEG hackers [MOG] and [Tim] over at the Makers Local 256 have been working on creating a Bluetooth EEG listener made from a Mattel Mindflex. This build is based on an earlier build of a group called [Frontier Nerds] (thanks for the heads up [Nathan]!), but this version ditches the Arduino in favor of [...]
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7:00
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Hack a Day
The folks at Waterloo Labs have delivered a quite amusing project where they built a system to control Mario with eye movements. Unlike the other eye movement systems we’ve seen that use imaging to detect where you are looking, this one is using electrodes on muscles in your face. Not only do they supply a [...]
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7:02
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Hack a Day
After a gruesome accident involving a harvester, [Oscar] lost his legs. [Noel Fitzpatrick] a mad scientist veterinary surgeon came to the rescue. [Oscar] now has leg implants prosthetic feet. It is pretty amazing that a cat would even function in this manner. Have you ever seen one try to walk with tape on its feet? [...]
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12:00
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Hack a Day
The EyeSeeCam is a rig that attaches to your noggin and points a camera wherever your gaze falls. There’s actually four cameras involved here, one to track each eye via a reflecting piece of acrylic, one as your third eye, and finally the tracking camera above that. There are some legitimate medical uses for this [...]
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7:10
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Hack a Day
This prosthetic arm is the result of a student project. [Amnon Demri] and his classmates built it with below-the-elbow amputees in mind. It uses electromyography to actuate the fingers and wrist. Four stick-on sensors are placed around the elbow to sense electrical activity there. These signals are interpreted by a PIC 16f877a microcontroller which then [...]
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14:30
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Hack a Day
This pulse oximeter turned out very nicely. It is based around a Freescale microcontroller and detects pulse as well as oxygen saturation in your blood. The sensor is made of two wood pieces and allows two wavelengths of light to be shined through your finger. A sensor picks up the light on the other side [...]
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