Jerry Fahrni

Pharmacy Informatics and Technology

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Tag Archives: RFID

Open source software for hospital use.

Posted on July 6, 2009 by Jerry Fahrni
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HIT Consultant Blog: “…But bringing state-of-the-art technology to health care is expensive, often running well into eight figures. Still, there are ways to keep the cost down and also provide excellent care. Forbes caught up with David Whiles, CIO of Midland Memorial Hospital in Midland, Texas, to look at ways to save huge amounts of money without sacrificing quality…So what did you do? – We came across the VistA (Veterans Health Information Systems and Technology Architecture) system, which was developed by the Veterans Administration. That’s used by all the 160-plus VA hospitals in the United States, plus all of their outpatient ambulatory clinics. It’s been in use by the Veterans Administration for more than 20 years. It’s a very mature system. It’s won a number of accolades from the Institute of Medicine.” – Imagine that, open source software being used in a hospital. The software may be a few years old, but thinking outside the box and implementing open source software in a hospital sure sounds cutting edge to me. Where do I apply?

Categories: Pharmacy Informatics, Technology | Tags: Open Source, RFID, VistA

RFID vs. barcode

Posted on July 3, 2009 by Jerry Fahrni
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Barcode.com: “RFID, or radio frequency technology, uses a tag applied to a product in order to identify and track it via radio waves. The 2 parts that make up the tag are an integrated circuit and an antenna. While the circuit processes and stores information, the antenna transmits signals to the RFID reader, also called an interrogator, in order to interpret the data in the tag. In contrast, a barcode is an optical representation of data that can be scanned and then interpreted. The data is represented by the width and spacing of parallel lines, and are often used in POS applications, in addition to tracking objects throughout the supply chain.” – The article goes on to give the advantages of both technologies. The more I read about RFID technology, the more interested I become. While the technology hasn’t really caught fire in health care, I think the utility of RFID demands further investigation.

Categories: Barcoding, RFID | Tags: Barcodes, RFID

Apple patent details RFID tag reader.

Posted on July 2, 2009 by Jerry Fahrni
1 Comment

9to5mac.com: “RFID reader built into the screen?  We’re not quite sure why they’d need to do this (as opposed to putting the reader somewhere else in the device) but Apple has put a patent application on this.” – In addition, the US Patent and Trademark Office lists the following: “The efficient incorporation of RFID circuitry within touch sensor panel circuitry is disclosed. The RFID antenna can be placed in the touch sensor panel, such that the touch sensor panel can now additionally function as an RFID transponder. No separate space-consuming RFID antenna is necessary. Loops (single or multiple) forming the loop antenna of the RFID circuit (for either reader or tag applications) can be formed from metal on the same layer as metal traces formed in the borders of a substrate. Forming loops from metal on the same layer as the metal traces are advantageous in that the loops can be formed during the same processing step as the metal traces, without requiring a separate metal layer.” - I can think of several uses for an iPhone with a built in RFID Tag reader, it can already read barcodes. The iPhone just keeps getting cooler and cooler.

Categories: iPhone, RFID | Tags: Barcodes, iPhone, RFID

Barcodes on patient wristbands.

Posted on June 13, 2009 by Jerry Fahrni
3 Comments

wristbandbarcodeBarcode.com: “Often times, information that Hospital administrators would like to include in the barcode is far too much in relation to the wristband space. While 1-D barcodes cannot always fit all of the information, they can be scanned by all types of barcode readers, unlike 2-D barcodes which can fit more information, but require a 2-D capable scanner. In addition, when the end of the barcode curve around patients wrists, it is difficult to scan, thus, it is necessary to choose a barcode symbology that will fit on the flat part of the wristband, but also hold all of the necessary information. Rather that choosing a UPC code, which is commonly used in retail applications, it would be wise to choose a dense barcode symbology, such as Code 128, which can hold a lot of information in a small amount of space.“ - Wristbands are a popular item for discussion in any barcode medication administration (BCMA) project. They’re just not user friendly. Even though 2-D barcodes require an upgraded scanner, I prefer them because of their small footprint. Their size allows multiple copies of the same barcode to be placed on the wristband in several strategic locations for easy access. The difficulty associated with scanning a patient wristband is one more reason why RFID may be worth a second look.


Categories: Barcoding | Tags: Barcoding, BCMA, RFID, wristband

Cool Technology for Pharmacy

Posted on June 11, 2009 by Jerry Fahrni
1 Comment

zebra-r110xi-rfid-printer-encoderRadio-frequency identification (RFID) printers.

RFID refers to small electronic devices that consist of a small chip and an antenna. They are capable of carrying quite a bit of information. To retrieve the information an RFID device must be scanned much like a barcode. While barcodes require a “line of sight” to be recognized by the scanner RFID labels can be scanned independent of position relative to the scanner and may be read up to 20 feet (or more) away.

RFID is an interesting alternative to barcoding for medication tracking and administration. The advantages are their ability to carry increased amounts of information and the relative ease of scanning mentioned above. It is unclear why RFID hasn’t become more main stream, but one reason could be the relative cost when compared to a traditional barcoding system. RFID would certainly make tracking inventory a little easier.

The printer pictured here is the Zebra R110Xi RFID Printer. For more information about Zebra RFID printers, as well as other RFID products, visit IDAutomation.com.

Categories: Cool Technology, Hardware | Tags: Barcoding, printers, RFID

Radio-frequency identification (RFID) as a form of EHR

Posted on May 7, 2009 by Jerry Fahrni
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TheHealthCareBlog.com:   “When Harvard Medical School and CareGroup CIO Dr. John Halamka agreed to place his medical  information on an RFID chip and have it implanted it in his arm, he triggered an instant global spotlight on this unusual form of portable electronic medical record.  The decision, made in December 2004 and disclosed in early 2005, captured worldwide attention from places a diverse as Fox News, the BBC and the New England Journal of Medicine (where Halamka contributed a commentary ).

As recently as 2007, a debate over chip privacy and safety versus having critical medical data instantly at hand (as it were) was featured in a PLoS Medicine exchange.  In it, Halamka asserted, “Implantation of RFID devices is one tool, appropriate for some patients based on their personal analysis of risks and benefits, that can empower patients by serving as a source of identity and a link to a personal health record when the patient cannot otherwise communicate.””
Read more …

Categories: RFID | Tags: EHR, RFID
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