Image acquisition technology allows remote monitoring to achieve (1)

Remote access device to what extent is used in the medical field? the keener interest is to be expected.

Use Ethernet transport video remote medical monitoring devices can implement many applications, remote guidance, remote diagnosis and remote surgery is only part of them. Such equipment allows doctors regardless of where you can reach the view and analysis of patient information.

Remote technology is typically a medical diagnosis and treatment is an integral part, it helps doctors make high quality continuing medical care closer to patients.

Applied to the medical field of remote devices in successfully integrating a variety of settings and situations, satisfy the ease and convenience needs. Remote diagnosis is a widely-used remote monitoring equipment of one of the main areas. Image acquisition technology is the core component of telemedicine, this article will review the image acquisition technique.

Understanding Remote Diagnostics

Figure 1.

Connection diagram shows how the image acquisition cards connected to one strip VGA or DVI output port of the medical device.

It is now possible through remote diagnosis of specific diseases, difficult symptom.

In the past, patients and doctors in direct contact with the clinics.

However, in the remote monitoring of medical equipment, patients and doctors can live far apart. While some systems use a wired connection, but most systems work in wireless mode. Of course, the need for appropriate training for patients so that patients are able to perform the necessary actions. Therefore, consult a physician to receive real-time, accurate and clear feedback. Ideally, to remotely interact with pictures and a video stream.

Gets the source output video and image of the device-image capture card for video.

You can capture to video content recording to a computer, and then transmitted through the Internet. Image acquisition card model, gets the output from the source, any medical diagnostic equipment. Acquisition of high resolution images or video, make sure the remote diagnosis expert can be used to make diagnosis and analysis of high-quality images.

For example, VGA2Ethernet to up to 120 frames per second rate capture single-link DVI or VGA signal.

Its maximum resolution to 1900 × 1200 and non-destructive manner through the Ethernet transmission of video content. It has one for the target computer is connected to the ordinary RJ45 Ethernet port, supports up to 1 GB of transfer rate.

In this way, the specific number of frames can be achieved per second, depending on the resolution of the screen, the screen refresh rate and screen content changes pixels, the computer is running an operating system, as well as the speed of the computer collection images.

Typically, the transport frame uncompressed images transmitted compressed compared to a frame, the slower the speed. The latest technology in RGB format acquisition and transmission of the original VGA frames. It provides image quality better than VGA-video converter, which is equipped with composite or S-video capture card.

You can connect two or more image capture card, capture multi-channel signal.

However, the use of multiple image acquisition cards, each card's frame rate (per second show or display of the number of frames or images) will vary. Minolta to number of frame rate depends on the performance of your computer. Frame compression does not reduce the quality of the output image. Some image acquisition cards can be used by the Ethernet switch. This can be through a single Ethernet LAN and image acquisition cards.

Through the use of switches, Ethernet cable length is extended, image acquisition cards and the distance between the diagnostic equipment that can left farther.

These features allow users without any loss to the data from diagnostic equipment. VGA content is digitized. The collection to the VGA or DVI signal transmitted via Ethernet. A collection of sound of stereo audio input terminal is essential, for example, for (remote) auscultation.

Telemedicine: actual use cases

VGA2Ethernet can 120 frames per second rate acquisition single-link DVI or VGA signal.

In an emergency or in complex geographic environment, image acquisition cards are very useful.

For example, in 2008, Henry Ford Hospital have used image capture card to capture Canada Everest rescue expedition picture. By using GE LOGIQ book style portable ultrasound device capture pictures and real time transmission via satellite to the exploration base surgeon. Remote monitoring of equipment not only can you implement remote diagnostics can also remotely guiding a trained operator.

Remote guidance

You can accept remote means to complete the check or surgery.

In some cases, to get people in distant experts, professional consultation in a timely manner is critical. A variety of injuries, such as the knee or shoulder injuries, bone crack or fracture, bleeding, muscle atrophy, etc. can be carried out by expert remote patient assessment.

Remote guidance so that a minimum level of training of operational staff and highly skilled medical experts.

Such remote guidance applications useful to emergency personnel and field medical personnel. Use image capture card to capture the image, and add them to the Internet, allowing experts to quickly assess the patient's injuries, and determine whether or not to transport the sick to go to the hospital or to aid in the field.

NASA researchers to this method is optimized for non-medical personnel can acquire an ultrasound image, package

Enclosed musculoskeletal injury in the image. Communication device from the source output (no signal output diagnostic device or digital camera), its collection video via dynamic compression via the Internet.

Figure 2.

The diagram shows how a single VGA printer connected to the medical device, and how to use.

During the Turin Olympics, Henry Ford health system hospital surgical departments have used image capture card for Olympia team doctors online Center.

The on-site treatment process in real-time, high-definition images through video spread to remote physicians.

Remote patient monitoring.

Remote medical system become more reliable and integrated, they can in a more efficient way to meet the needs of older persons. These systems are mostly for people suffering from chronic diseases (diabetes, hypertension, congestive heart failure, and so on) in elderly patients, elderly patients unable to point to the traditional medical treatment. Used to increase the capacity and help the aged-care for chronic disease care involves a wide range of technologies, including remote monitoring, remote medical as well as other technical realization of medical services.

Remote patient monitoring for a variety of technologies.

These technologies are designed to manage and monitor a range of health conditions. Instant test monitoring device may become used to in the health systems of more than one node of a comprehensive integrated communication between health data collection, analysis and reporting system. These devices are in the patient's health status deteriorated alert occurs.

Remote patient monitoring technology for doctors to comprehensive nursing care, behavior, to consider and make decisions based on evidence of diagnostics, provides effective support.

For patients, caregivers, hospital use remote patient monitoring function. An ideal remote patient monitoring system will take full account of the needs. Collected information includes vital signs (blood glucose, blood pressure, weight and pulse oximetry, etc.), as well as on the patient's emotional and physical condition assessment.

Remote monitoring devices to collect these data and over low-bandwidth telephone line, Internet or a local or wide area network transfers.

These were collected patient information is used for the treatment of patients. Thus strengthening patients, care and communication between hospital and improved care and care support, and improved patient compliance (by doctor medication). This scenario reduces hospitalization and travel to hospital for treatment. By nurses than telephone survey, the programme provides another choice at lower costs.