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Current EKG Manufacturers


Committed to improving the lives of their customers by providing high quality telemedicine products, Bionet was founded in 1999 and has focused on the cutting edge of telemetry service ever since. Bionet America, formed in September 2002 as a branch of Korea's Bionet Co. Ltd., currently serves North America. "Bionet" is a combination of the terms "bio-electronics" and "network." The company's focus is discovering telemetry solutions by using network interfaced bio-signal measuring devices. Bionet's products are FDA-approved and adhere to international standards. In line with the company's slogan, "Enhancing Healthcare Service," Bionet has a research and development center that ensures products reflect the needs of their customers. In order to uphold the continued quality of its products, Bionet limits the number of distributors and dealers with which it works. During the beginning of the year 2000, Bionet introduced an EKG machine with 12 channels called CardioCare 2000. This enabled the company to continue making a name for itself in the global economy through the production of patient and fetal monitors. The CardioCare 3000, which provides a printed data analysis in under a minute, followed soon after. Bionet also offers customers free EKG software that allows them to print, compare, magnify, save, and transfer EKGs.

Brentwood Midmark

After being established in 1915 as The Cummings Machine Company, Midmark Corporation went through a series of name changes before finally arriving at its current incarnation in 1978. Midmark International is located on six different continents, in places like North, South, and Latin America, the Caribbean, Europe, the Middle East, Africa, Asia, and the Pacific Rim. Midmark bases its headquarters in Versailles, Ohio, with four United States subsidiaries. A branch of Midmark Corporation, Midmark Medical, acquired Brentwood Medical Products in 2000, which further fueled the company's interest in releasing digital diagnostic products. Prior to joining Midmark Corporation, Brentwood Medical Products, a leading digital medical diagnostic technology provider, worked with Microsoft to integrate its EKG technology into Windows-based computer platforms. In 2010, Midmark collaborated with Mortara Instrument, Inc., enabling them to expand their range of EKG-related products within Canada and the United States. The Midmark Corporation currently offers a product known as the IQEKG, which helps to monitor, pause, zoom in, edit, and compare 12-lead EKGs. IQEKG is one of many devices comprising Midmark Medical's IQ Digital Diagnostics System, a collection of software tools and digital diagnostic machines designed to enable medical professionals to more easily capture, review, and interpret patient information.


The history of the Burdick Company is deeply intertwined with that of Quinton Cardiology Systems, Cardiac Science, Inc., and Cardiac Science Corp. Burdick, first formed in 1913 by F.A. Anderson and F.F. Burdick as the Burdick Company, is currently a brand of Cardiac Science Corp. The Burdick Company produced EKG machines much favored by doctors at the time, and was known as a leader in the electrocardiograph technology industry. Quinton Cardiology Systems was founded in 1953 when Dr. Robert Bruce collaborated with Wayne Quinton to jumpstart the process of contemporary cardiac stress testing. Bruce and Quinton worked together to pin down a method of repeatedly measuring an elevated heart rate by means of cardiac testing with consistent results. In pursuit of this goal, Quinton devised the world's first mechanical treadmill. The Burdick Company was acquired by Quinton Cardiology Systems in 2001, preceding a 2005 merger with Cardiac Science, Inc. Cardiac Science, Inc. was founded in 1991 to create rhythm-analysis software that was FDA-approved. After Quinton merged with Cardiac, the company's title changed to its current name, Cardiac Science Corp. The company now serves as a haven for four of the biggest names in the cardiac technology business, including Powerheart, HeartCentrix, Quinton, and Burdick.


The seed that became Cardioline was planted in the late 1950s when an Italian mass tape recorder production company called Magnetofoni Castelli, chose to enter the medical industry. In 1962, Magnetofoni Castelli evolved into Elettronica Trentina, an organization that developed, industrialized, and produced EKG recorders. Elettronica Trentina served only as a manufacturer and supplier of original equipment for 27 years, at which point the company began actively marketing and selling EKG devices under the name Cardiette. In 1992 and 1993 respectively, branches of Elettronica Trentina were opened in Spain and Germany. Ten years later, the company acquired H&C Medical Devices and changed its name to et medical devices spA. In February of 2005, et medical devices spA incorporated the company Remco Italia Cardioline, turning itself into a cardiological industry leader. Cardioline's two main brands of equipment are the self-titled Cardioline and the Cardiette. Today, Cardioline's main base of operations is in Cavareno, Italy, but the company is constantly partnering with companies around the world, including Ortivus AB of Sweden. CardiolineUS is the North American branch of Cardioline, dispensing high quality cardiovascular diagnostic devices throughout the country. CardionlineUS offers a series of EKG machines, many with LCD screens and Bluetooth compatibility.

Datex Ohmeda

The first vestiges of Datex Ohmeda EKG machines can be traced back to the start of GE Healthcare in 1893. GE Healthcare was first known as Victor Electric Co., a small company that produced dental engines, beer pumps, and X-ray machines. In 1926, General Electric acquired Victor Electric Co. along with a host of other companies, and formed General Electric X-ray Corporation. As electro-medical monitoring equipment became increasingly popular in hospitals, GE eschewed X-ray production to begin focusing on this aspect of the industry and changed its name to GE Medical Systems. The company acquired Imatron, Inc., a business producing Electron beam tomography scanner technology for cardiac imaging applications, in 2001. In 2003, GE Medical Systems acquired Datex-Ohmeda, at the time a division of a company called Instrumentarium, itself a producer, manufacturer, and supplier of mechanical ventilators and anesthesia machines since 1977. After an extended series of mergers and name changes, GE Healthcare emerged. Today GE Healthcare has grown into an international company based in Buckinghamshire, United Kingdom. The subsidiary of GE Healthcare that deals with healthcare technologies such as EKG is known as GE Healthcare Clinical Systems.

Dr. Lee

Dr. Lee Co, Ltd. is a Korean company founded by Dr. Sang Yong Lee, a hospital director and family medical specialist, in 1990. Dr. Lee Co, Ltd. specializes in the development, manufacture, and market of instruments that record biomedical measurements. Since the company's inception, it has produced four separate electrocardiograph devices with the ability to detect abnormal cardiac responses. Marketing of these machines began in 1994, and Dr. Lee Co, Ltd.'s research and development team has since enabled over three million dollars' worth of medical equipment to be sold in one year's time. Dr. Lee's EKG machines are purposely designed to be high quality, but require little maintenance. With six channels and the ability to acquire twelve leads, the EKGs are built with indicators that automatically detect when electrodes are improperly connected or when battery level is low. Each device the company produces complies with all FDA standards, as well as other safety and quality approval regulations. While Dr. Lee Co, Ltd. has eight Korean distribution centers, the brand receives more recognition in other countries. In fact, over 95% of the company's sales take place overseas in 34 separate countries.

Fukuda Denshi

Takashi Fukuda founded Fukuda Denshi in 1939 with the conviction that better medical technology possesses the potential to improve the quality of patients' medical treatment. Fukuda Denshi's corporate headquarters are located in Tokyo, Japan, along with its research and development department and manufacturing plant, but it has global branches stretching across multiple countries, including China, the United Kingdom, and the United States. The company also has distributors on five separate continents - Asia, Africa, North America, South America, and Europe. Fukuda Denshi has over 3,000 employees. Fukuda Denshi's slogan, "The Voice of the Patient," reflects its dedication to patient-centered technological innovation and high performance for an affordable price. Kotaro Fukuda currently serves as the president of the company. Along with Critical Care monitoring and diagnostic Ultrasound equipment, Fukuda Denshi USA also markets EKG machines to hospitals and doctors around the country. Fukuda Denshi EKG machines range from small to large, and possess the capability to be either battery operated or plugged into an outlet. The company's EKG models have been setting industry standards for years, from tiny EKG strip recorders to much bigger EKGs with a range of interpretive functions and features.

General Electric

General Electric's place in the medical industry was cemented by its purchase of Victor Electric Co. in 1926. After acquiring many other small companies, General Electric formed a division called the General Electric X-ray Corporation. The organization originally focused on X-ray production, but soon refocused its attention on electro-medical monitoring equipment, which was becoming ever more popular in hospitals at the time. At this point, the General Electric X-ray Corporation changed its name to GE Medical Systems to better reflect its new product interest, and quickly began acquiring more companies in line with its goals. In 2001, GE Medical Systems bought Imatron, Inc., a producer of Electron beam tomography scanner technology for cardiac imaging applications. Two years later, GE Medical Systems purchased a division of Instrumentarium, a producer, manufacturer, and supplier of mechanical ventilators and anesthesia machines, called Datex-Ohmeda. Following these two large acquisitions, GE Medical Systems underwent a long list of mergers and company name changes to become known as GE Healthcare. Today GE Healthcare is headquartered in Buckinghamshire, United Kingdom, with offices all over the world. GE Healthcare Clinical Systems is the division of GE Healthcare that produces EKG technology.

Hewlett Packard

The history of the Hewlett Packard line of EKGs is also the history of the medical industry behemoth Philips. Philips was founded in 1891 as Philips & Co. by Anton and Gerard Philips. Its name soon changed to Royal Philips, and the company spread from the Netherlands to Europe and the United States by the mid-1930s. Philips bought a handful of major medical companies in the years spanning 1998 to 2001, including Marconi Medical Systems, Agilent Technologies Healthcare Solutions Group, ATL Ultrasound, and ADAC Laboratories, doubling the size of its Medical Systems division. Shortly thereafter, Philips bought Hewlett Packard's medical business branch, as well as its line of EKG machines. Philips became the second largest communications systems and picture archiving supplier worldwide when it acquired Stentor Inc. in 2005. Philips purchased a groundbreaking Brazilian X-ray manufacturer, VMI-Sistemas Medicos, in 2007 in order to expand its products to a Latin American audience. In 2008, Philips took a major step in further cementing its high position on the medical technology industry totem pole when it purchased TOMCAT Systems Ltd., a company from Northern Ireland that produced software tools providing medical professionals novel ways with which to view data collected from cardiac patients.


David W. Mortara, PhD established Mortara Instrument in 1982. The company's philosophy revolves around creating simple, affordable products that fill a market need. Mortara Instrument has partnered with many big industry names to uphold these guiding principles, including Midmark. Unlike many other companies that produce medical instruments, Mortara Instrument is solely focused on the creation and distribution of EKG machines. The company's brand of EKGs includes a 12-lead, handheld machine with Mortara Instrument's proprietary "go wireless" technology. The "go wireless" function allows customers to pay an equal or less amount than they would for wired EKG machines. In addition, Mortara Instrument is an industry leader in supporting DICOM EKG machines, which have the ability to be integrated with a variety of third party EKG management systems. There are no proprietary restraints with DICOM EKG, which allows customers to mix and match EKG machines with EKG management systems to devise the perfect confluence of the two without having to sacrifice quality on either end. Mortara Instrument is based in Milwaukee, Wisconsin, but has various distribution partners and branches globally.

Nihon Kohden

Dr. Yoshio Ogino founded the Japanese company Nihon Kohden in 1951. In its early years, Nihon Kohden invented the first 8-channel EKG machine to be AC powered. In 1955, the company produced the world's first electronic recording EKG. This spurred a series of EKG inventions, including the first single channel, portable heat-writing electrocardiograph in 1957. Nihon Kohden continued its pioneering track record by putting out the first single channel Japanese position feedback writing EKG in the 1970s. This machine used dry cell batteries, which at the time, had the longest battery life in the world. During the 1980s, Nihon Kohden began expanding worldwide, establishing offices in America, Germany, London, and Amsterdam. In 1981, the company produced the world's first EKG with a built-in thermal dot recorder. Nihon Kohden invented the first EKG with a large LCD screen in 1987. In 1990, Nihon Kohden invented the world's first digital EKG telemetry monitor, which allowed patients free range of movement, and was a significant step forward for cardiac monitoring and rehabilitation alike. Today, Nihon Kohden is the top medical electronic equipment manufacturer, developer, and distributor in Japan.


The establishment of Philips as a medical mainstay harkens back to 1891, when Anton and Gerard Philips founded Philips & Co. in the Netherlands. In 1918, Royal Philips produced a medical X-ray tube. The company's operations had spread to the United States and Europe by 1933. When Philips acquired a host of medical companies between 1998 and 2001, including ATL Ultrasound, ADAC Laboratories, Agilent Technologies Healthcare Solutions Group, and Marconi Medical Systems, its Medical Systems division doubled. Philips also acquired the medical business branch of Hewlett Packard, including its line of EKG machines, around this time. A series of further acquisitions followed, including but not limited to that of Stentor Inc. in 2005. This incorporation made Philips the second biggest picture archiving and communications systems supplier in the world. When Philips acquired VMI-Sistemas Medicos, a pioneering Brazilian X-ray manufacturer, in 2007, the company found itself in a position to increase its diagnostic imaging offerings in Latin America. Philips now sells medical products in emerging markets like Africa and Latin America, as well as in Asia. In 2008, Philips incorporated TOMCAT Systems Ltd., a Northern Ireland company providing software tools dealing with the data collection from cardiac patients and its presentation to medical professionals.


QRS Diagnostic was founded in 1995. The company designs and develops cost-efficient medical devices based on software. These devices are then included in the production of USB modules and computer cards, reducing their overall price from one-fourth to one-half as much as medical devices that do not utilize this approach. Along with continued innovation in the EKG realm, QRS Diagnostic recently produced a USB drive that allows devices like their EKG machine to connect to USB ports on certain computers. The company currently has four patents relating to the medical device design of Computer Cards. QRS Diagnostic devices are purposely created to be lightweight and portable so that nurses and doctors can transport them easily in lab coat pockets for a faster, hassle-free diagnosis. Since QRS machines are based on software, they are easy and inexpensive to upgrade. They also allow medical professionals to work entirely from a single PDA or computer as opposed to a cluttered collection of different diagnostic machines for various procedures. QRS Diagnostic's brand of EKG machine, called the Universal EKG, is a portable device with 12 channels and the ability to interface with a PC. QRS Diagnostic has its headquarters in Plymouth, Minnesota.


Ritter EKG machines are commonly known as Midmark Ritter machines. Ritter is a brand of the Midmark Corporation, a company that was established in 1915 as the Cummings Machine Company. Midmark Corporation went through a variety of different company names before assumed its current title in 1978, which was also the era in which the company began manufacturing medical equipment. Midmark Corporation purchased the Ritter medical equipment line from Sybron in 1986. Ritter was originally well-known for its medical exam tables, but its incorporation into Midmark Corporation spurred a line of jointly named EKGs. Today, Midmark is headquartered in Versailles, Ohio, and has four subsidiaries in the United States. Midmark International has branches in North and South America, Latin America, Europe, Africa, Asia, the Middle East, the Caribbean, and the Pacific Rim. Ritter is a product of Midmark Medical, which is in turn a division of Midmark Corporation. Midmark Medical incorporated Brentwood Medical Products, a leading digital medical diagnostic technology provider, in 2000, leading to a heightened interest in producing and marketing digital diagnostic devices. In 2010, Midmark Medical established a partnership with Mortara Instrument, Inc. to further increase the range and sale of their EKG products in the United States and Canada.


Founded in 1974, Schiller AG has provided the medical market with innovative products for years, backed by a strong customer care ethic and environment responsibility. Schiller AG offers a wide variety of products designed for cardiopulmonary diagnostics, patient monitoring, and emergency medicine. The company is an industry leader in developing, producing, and distributing these products, including pocket defibrillators, spirometers, patient monitors, medical IT solutions, multi-functional diagnostic systems, and long-term EKG and blood pressure recorders. Schiller AG produces a host of EKG machines, including resting, exercise, and veterinary. Schiller AG first rose to fame for its pocket EKG machines and defibrillators, which saved lives worldwide and in space. The company's EKG machines are created to handle a mass volume of high speed, high quality use. With high-resolution color display and intuitive features, Schiller AG's EKG devices streamline the process of cardiopulmonary testing so that doctors get results more quickly, and patients receive the best, most informed care possible. Schiller AG is headquartered in Baar, Switzerland and Wissembourg, France, where it is known as Schiller Medical S.A.S., and currently employs over 700 people. Schiller AG has a global distribution network covering nearly every continent in the world, and the company is ISO certified.

Welch Allyn

In 1915, William Noah Allyn and Francis Welch formed Welch Allyn in New York when they invented the first hand-held ophthalmoscope. Welch Allyn has since produced many significant inventions in the medical patient care field, including, but not limited to, sequential color imaging technology for video endoscopy, the panoptic ophthalmoscope, flexible blood pressure cuffs, and EKG machines. Welch Allyn acquired Protocol Systems, Inc., a manufacturer of industry standard patient monitors, in 2000. This purchase enabled the company to expand to hospitals and become a leader in the patient monitor industry. In 2004, Welch Allyn purchased the Malaysian company MediAids to better expand its Asia-Pacific reach. In 2005, Welch Allyn produced its own line of EKGs complete with advanced software and Electronic Medical Records interactivity. Today, Welch Allyn is still family-owned and headquartered in Skaneateles, New York, with manufacturing, sales, and distribution branches internationally. The company has over 2,300 employees, and produces 90% of the medical diagnostic equipment sold in the United States. Welch Allyn recently moved toward a single diagnostics platform means of product development, enabling customers to select device options that fit their particular needs. The new platform allows Welch Allyn's hardware and software products to become more customer-friendly.

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