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	Artificial heart - Wikipedia, the free encyclopedia
		The obvious benefit of a functional artificial heart would be to lower the need for heart transplants, because the demand for donor hearts (as it is for all organs) always greatly exceeds supply.
		Early attempts prior to Robert Jarvik with his Jarvik-7 were disappointing; hosts died within hours or days and/or suffered massive foreign-body rejection problems.
		Jarvik's human designs were more impressive but his patients succumbed as well, his first Jarvik-7 patient 61-year-old retired dentist Barney Clark survived for 112 days after it was implanted at the University of Utah on December 2, 1982.
	en.wikipedia.org /wiki/Jarvik-7 (473 words)

	Jarvik Heart \| Jarvik-7 - An Interview With Robert Jarvik, MD (Site not responding. Last check: 2007-10-09)
		Robert Jarvik, MD is widely known as the inventor of the first successful permanent artificial heart, the Jarvik 7.
		Jarvik recalls that, before the surgery, Dr. Clark told doctors that he didn't expect to live more than a few days with the experimental heart, but he hoped that what the doctors learned might help save the lives of others someday.
		Another advantage of the Jarvik 7 is that it adjusts the pumping of the right and left sides of the heart independently, permitting optimal filling and ejection on each side.
	www.jarvikheart.com /basic.asp?id=69 (3465 words)

	Dr. Jarvik on the Jarvik 2000: A Q&A with the Famous Inventor and Cardiac Pioneer
		Jarvik on the Jarvik 2000: A Q&A with the Famous Inventor and Cardiac Pioneer
		Jarvik on the Jarvik 2000: A QandA with the Famous Inventor and Cardiac Pioneer
		The biggest difference between the Jarvik 2000 and most of the other assist devices is that those are very large, heavy pulsatile devices [which create a pulsing blood flow similar to a natural heart rather than a continuous blood flow, as is the case with the Jarvik 2000].
	www.umm.edu /heart/jarvikQA.html (1544 words)

	Heart of the Matter
		Unlike the Jarvik 7, which was a total artificial heart and required removal of the natural heart, the Jarvik 2000 is a left ventricular assist device, or LVAD, which leaves the natural heart intact and acts as a booster pump.
		Jarvik began working with axial-flow pumps and the battery-powered concept back in 1975 as a means to replace the external compressed-air system of the Jarvik 7.
		Jarvik has eliminated much of the problem of infection by implanting the pump directly into the left ventricle, where it is completely immersed in blood.
	www.cncmagazine.com /archive01/v2i07/v2i07g.htm (4809 words)

	Medcompare - Cardiovascular News : Jarvik 2000 FlowMaker® CE Mark Approved In Europe
		The Jarvik 2000 is a thumb-sized titanium pump implanted inside the weakened, failing heart to boost its output of blood to the body.
		JARVIK HEART, Inc. (http://www.jarvikheart.com/) is a privately held company that develops miniaturized heart assist devices for the treatment of severe heart failure.
		Robert Jarvik, M.D., inventor of the Jarvik 7 and Jarvik 2000 mechanical hearts, is President and Chief Executive Officer.
	www.medcompare.com /news.asp?newsid=78905 (650 words)

	Inventor of the Week: Archive (Site not responding. Last check: 2007-10-09)
		In 1964, Jarvik was a student at the University of Utah.
		Jarvik became very interested in medicine at that point, and he began to think about possible designs for artificial hearts that could help people like his father.
		Jarvik and his team tested the device on cows and other animals, making sure the heart could consistently beat at least 100,000 times a day.
	web.mit.edu /invent/iow/jarvik.html (611 words)

	Jarvik Heart \| Home - Welcome
		Jarvik Heart is a leading developer of miniaturized heart assist devices for the treatment of severe congestive heart failure.
		The Jarvik 2000 FlowMaker® mechanical heart, the company's silent titanium axial-flow blood pump, has successfully sustained and improved the condition of heart failure patients awaiting heart transplants, as well as those who have chosen the device for lifetime-use.
		The Jarvik Heart Web site provides a public information portal for patients and their friends and families, doctors, and media professionals who need current information about heart failure, its treatment, and the Jarvik 2000 mechanical heart.
	www.jarvikheart.com (93 words)

	Beat Poet
		Jarvik, who invented the artificial heart implanted in Barney Clark back in 1982, moved to Manhattan in 1987 and began tinkering on a new device that would assist the heart rather than replace it entirely.
		The Jarvik 2000 is a shiny, thumb-size, bullet-shaped pump that fits into the left ventricle of a patient's failing heart and takes over much of the burden of moving blood through the body.
		Many of the components in the prototype Jarvik 2000, which was tested on 80 animals before it was placed in the first human, were manufactured by a Pennsylvania aerospace company.
	www.newyorkmetro.com /nymetro/health/features/4032 (622 words)

	Quest for artificial device has been full of contention, drama (Site not responding. Last check: 2007-10-09)
		DeBakey said Jarvik proposed that five be implanted in Utah and DeBakey implant five at Methodist Hospital.
		But DeBakey refused, saying that Jarvik's heart was little different from the Baylor heart that he did not consider ready for human use.
		In later years, the Jarvik heart was used hundreds of times as a temporary device to keep patients alive until a heart transplant was possible.
	www.chron.com /content/chronicle/metropolitan/heart/heart-history.3-0.html (1331 words)

	ImmInst.org -> Artificial Organs
		Robert Jarvik, the dashing young surgeon who had invented the device, chatted about his sex life in Playboy and posed with one of his plastic hearts clutched to his chest for a fashion magazine.
		Though the Jarvik heart was capable of prolonging life for months, its recipients had to be tethered to an air compressor the size of a washing machine, which powered the device.
		Jarvik told FSB he now believes that artificial hearts offer only "false hope" to those suffering from heart disease.
	www.imminst.org /forum/index.php?act=ST&f=44&t=6402&s= (2531 words)

	Texas Medical Center NEWS
		The Jarvik 2000 heart pump is the size of a "C" battery.
		The Jarvik 2000 heart pump, placed as a bridge to transplant, fits in the left ventricle and pumps oxygenated blood throughout the body.
		Robert Jarvik developed the Jarvik-7 total artificial heart, which was implanted in Dr. Barney Clark at the University of Utah in 1982.
	www.tmc.edu /tmcnews/05_01_00/page_02.html (547 words)

	JARVIK HEART is Awarded Major NIH Contract to Develop Heart Pump for Children
		JARVIK HEART's new pediatric heart assist pump is intended to fill that void in heart failure care.
		Robert Jarvik, M.D., inventor of the Jarvik 7 and Jarvik 2000 hearts, is President and Chief Executive Officer.
		The Jarvik 2000 LVAS, the company's silent titanium axial flow pump, is used by leading hospitals in the United States as a bridge to heart transplant under an FDA-approved clinical investigation.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=104&STORY=/www/story/04-27-2004/0002160720&EDATE= (451 words)

	Surgeons at University of Maryland Medical Center Implant Jarvik 2000 Device in Patient with Heart Failure
		The Jarvik 2000 is the smallest and simplest left ventricular assist device (LVAD) available-so small it fits directly inside the heart's left chamber (ventricle).
		Jarvik says expanded studies should begin in the United States during 2003 that will test his device as a lifetime treatment rather than a temporary measure until a new heart becomes available.
		Jarvik Heart, Inc., and the Texas Heart Institute in Houston have been developing the new pump for almost 15 years.
	www.umm.edu /news/releases/jarvik2000.html (1193 words)

	Jarvik 2000 FlowMaker - Texas Heart Institute
		Jarvik Heart, Inc. and the Texas Heart Institute began developing the Jarvik 2000 FlowMaker® in 1988.
		In April 2000, THI was granted permission by the Food and Drug Administration to evaluate the Jarvik 2000 FlowMaker as a bridge to transplantation in five patients.
		The Jarvik 2000 FlowMaker is an axial flow blood pump that uses electrical power to rotate a vaned impeller—its only moving part.
	www.tmc.edu /thi/j2000.html (367 words)

	Jarvik 7 (Site not responding. Last check: 2007-10-09)
		The obvious benefit is to lower theneed for heart transplants, because the demand for donor hearts (asit is for all organs) always greatly exceeds supply.
		Early attempts prior to Robert Jarvik with his Jarvik-7 weredisappointing; hosts died within hours or days and/or suffered massive foreign-body rejection problems.
		Jarvik's human designswere more impressive but his patients succumbed as well, his first Jarvik-7 patient 61-year-old retired dentist Barney Clark survived for 112 days afterit was implanted at the University of Utah on December 2, 1982.
	www.therfcc.org /jarvik-7-175771.html (327 words)

	Kolff
		Figure 7 shows a diagram of cascade filtration using first a filter to separate plasma and then a filter to separate globulins from albumin6.
		The placement of the JARVIK 7 heart inside the chest, however, deserves some careful consideration and practice in cadavers for surgeons who have not implanted it before.
		In his braindead patient number 4, Jack found that the JARVIK 7 heart fits easier when the left ventricle is moved further towards the left.
	www.stanford.edu /dept/HPS/transplant/html/kolff.html (5834 words)

	TEN YEARS AFTER BARNEY CLARK: REGISTRY AND TABULATIONS OF CLlNICAL PROGRESS WITH THE ARTIFICIAL HEART SINCE 1982
		TABLE 7 includes the remaining clinical cases from January 1, 1990 to June 10, 1992.
		Jarvik hearts were manufactured and marketed by Symbion Inc., which lost its F.D.A. approval on all devices in January of 1990 due to deficiences in patient monitoring and reporting to the F.D.A. and inconsistencies in manufacturing.
		With the 197 Jarvik cases, 70% survived to receive a transplant and 51% of those transplanted are still alive as of June 10, 1992.
	www.lib.utah.edu /epubs/undergrad/vol3/mortimer.html (2316 words)

	State-of-the-Art Artificial Heart
		In fact, the inventor of the Jarvik 7 tells WebMD that total artificial hearts are too large for most of the small percentage of patients who could benefit.
		Robert Jarvik, MD, says he's changed his thinking a lot since the days of Barney Clark and now has an experimental bridge-to-transplant device called the Jarvik 2000.
		As the fluid is pushed from one chamber of the heart to the other by a valve, it generates enough energy to pump blood through the body.
	my.webmd.com /content/article/33/1728_83020 (632 words)

	Willem J. Kolff, M.D. Interview -- page 7 / 9 -- Academy of Achievement
		Jarvik was a very bright engineering student who was also a medical student.
		We chose polyurethane because it was strong, it was flexible, it was durable, and it was able to withstand the body's attempts to push it out.
		But Jarvik stayed with me for seven years, and he was assigned to work on that heart, and therefore it was called the Jarvik heart.
	www.achievement.org /autodoc/page/kol0int-7 (1373 words)

	USATODAY.com - Artificial heart comes with huge consequences (Site not responding. Last check: 2007-10-09)
		The story of Dr. William DeVries and the Jarvik 7 artificial heart provides a historical context for the Abiomed project.
		Many heart doctors look back on the Jarvik 7, which DeVries used on patients in Utah and Louisville two decades ago, as a success, at least in the sense that it demonstrated such a device could keep patients alive.
		But after putting the Jarvik 7 in seven people, DeVries ended the experiment, in part because patients involved were becoming depressed and having strokes.
	www.usatoday.com /news/health/2001-07-03-heart-analysis.htm (763 words)

	Wired News: Reticent Heart Maker Blasted (Site not responding. Last check: 2007-10-09)
		Jarvik said details about how the AbioCor is working, and whether any complications have arisen, are important for other cardiac patients.
		Officials at the Texas Heart Institute in Houston and at Hahnemann Medical Center in Philadelphia said both were obliged to honor the "quiet period" as part of contractual agreement with Abiomed.
		Jarvik said participants in such important procedures realize their contributions to medical science and generally want to share their feelings.
	wired-vig.wired.com /news/print/0,1294,45238,00.html (665 words)

	TIME.com: Reviving Artificial Hearts -- Page 1
		The Jarvik 2000 — a far more elegant successor to the Jarvik-7 — runs power through a fixed jack implanted behind the patient's ear.
		The Jarvik 2000, by contrast, has a tiny rotary pump — sort of a coronary Wankel engine that spins rather than squeezes.
		That might eliminate the pulse, which some physicians think could wreak unpredictable havoc on the body, except that the Jarvik is designed to replace only the left ventricle; the right still provides a beat.
	www.time.com /time/health/article/0,8599,166327,00.html (907 words)

	CNN.com - AbioCor latest innovation in crowded field - July 3, 2001
		"The original Jarvik 7 was a very primitive device compared to today's standards," said Dr. Mehmet Oz, a cardiologist at Columbia University who could be implanting one of the new devices.
		Although part of it was implanted in Clark's body, he was tethered to a large machine and could not move freely.
		Following the experience with the Jarvik 7, researchers turned their attention away from replacement hearts to so-called assist devices designed to help the ailing heart or give it a rest.
	archives.cnn.com /2001/HEALTH/conditions/07/03/artificial.heart.sidebar (549 words)

	16. Baby Fae
		(Dr. Robert Jarvik, inventor of the artificial heart, anticipated that in ten years a 5-lb.
		Working with a number of other researchers, Dr. Robert K. Jarvik developed this device in the late Seventies.
		It consisted of a pair of polyurethane ventricles which contained air chambers and six titanium valves.
	eightiesclub.tripod.com /id302.htm (1441 words)

	Artificial Heart
		Medical scientists have developed electronic devices such as defibrillators, pacemakers, and artificial heart models that can keep the patient alive until a heart becomes available.
		One of the best known devices is the "Jarvik-7" artificial heart, named for its designer Robert K. Jarvik, an American physician.
		Designed to function like the natural heart, the Jarvik-7 has two pumps (like the ventricles), each with a disk-shaped mechanism that pushes the blood from the inlet valve to the outlet valve.
	sln.fi.edu /biosci/healthy/fake.html (373 words)

	Newhouse C1
		After Clark, the Jarvik-7 was mainly used as a "bridge" therapy, keeping a patient alive until a human heart became available for transplant.
		Only four others received the Jarvik as a permanent replacement heart.
		But tethered to the 375-pound drive unit, all of them had the quality of life of fish on a string.
	www.newhousenews.com /archive/story1c060801.html (884 words)

	Technology Milestone: "The artificial heart Jarvik-7 invented by Robert K. Jarvik." \| ciber.com (Site not responding. Last check: 2007-10-09)
		Robert K. Jarvik had developed the heart during the late 1970s, working with many other researchers.
		It consists of two ventricles (the heart's lower chambers) with air chambers and six titanium valves.
		CIBER stock is publicly traded under the symbol "CBR" on the NYSE.
	www.ciber.com /ciber/30years/more.cfm?dataid=24&id=70 (108 words)

	Artificial Heart (Site not responding. Last check: 2007-10-09)
		Designed to function like the natural heart, the Jarvik - 7 has two pumps (like the ventricles), each with disk-shaped mechanism that pushes the blood from the inlet valve to the outlet valve.
		The Jarvik - 7 was first used during the early 1980s.
		The operation team was led by William DeVries of the University of Utah and the patient was Barney Clark.
	agham.asti.dost.gov.ph /1998/4th/extras/astra1.htm (1176 words)

	Paul Winchell and the Artificial Heart - Medgadget - www.medgadget.com
		His name was Robert Jarvik, a brilliant biomedical engineer who had begun to modify the heart for a human being.
		By the time Jarvik had reduced the unit, a brave dentist named Barney Clark volunteered to be the first recipient of an artificial heart.
		But Jarvik is still at work on artificial hearts, and the Jarvik 2000 incorporates many of the advances seen in the rejected AbioCor.
	www.medgadget.com /archives/2005/07/paul_winchell_a.html (1134 words)

	PBS - Scientific American Frontiers:Affairs of the Heart:Searching for a Substitute
		In 1982, Dr. William DeVries of the University of Utah implanted a 61 year-old-dentist named Barney Clark with an artificial heart called Jarvik 7.
		Like Karp's temporary heart, Jarvik 7 was an air-driven pump, and Clark was bound to the washing machine-sized air compressor that
		As with Karp, tubes from the compressor passed through Clark's chest wall, binding him to his bed and causing constant infections.
	www.pbs.org /saf/1104/features/substitute2.htm (206 words)

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