Scientists in Japan design first optical pacemaker for laboratory research

WASHINGTON, May 28 The world's first optical pacemaker is described in an article published today in Optics Express, the Optical Societys open-access journal. A team of scientists at Osaka University in Japan show that powerful, but very short, laser pulses can help control the beating of heart m...

iPods and similar devices found not to affect pacemaker function

Last May, a widely reported study concluded that errant electronic noise from iPods can cause implantable cardiac pacemakers to malfunction. This just didnt sound right to the cardiac electrophysiologists at Childrens Hospital Boston, whove seen hundreds of children, teens and young adults with he...

Drug, Pacemaker Fight Irregular Heartbeat

Studies suggest new weapons against dangerous atrial fibrillation WEDNESDAY, Sept. 5 (HealthDay News) -- Cardiac researchers say a new drug may help treat the abnormal heartbeat called atrial fibrillation. The drug, dronedarone, is not yet approved by the U.S. Food and Drug Administ...

Bladder Pacemaker For Incontinence

Biomedical engineering researchers from Duke University have come out with a device which is likely// to be of significance in patients who suffer from bladder control issues. They have named this as ‘smart bladder pacemaker’ that breaks into the urinary circuit in spinal cord which is respons...

Novel Biological Pacemaker Under Construction for Weak Hearts

Johns Hopkins scientists have developed a natural or rather biological pacemaker by fusing connective tissue cells of guinea pigs with heart muscle cells. The newly developed pacemaker can fire on it’s own and regulate the rhythm // of the heart in a more physiological way. Two sets of tiny el...

New pacemaker reduces risk of heart failure

New study says heart failure victims who get a new kind of pacemaker have only half the usual risk of being hospitalized with worsening heart trouble.// The device, Medtronic's InSync pacemaker, has been implanted in more than 3,000 people in the US since its approval by the FDA. It is intend...

A 'super sensor' for cancer and CSIs

...has obvious uses in an operating room to give a physician warning of an impending attack during a procedure. It could be fitted into an implant like a pacemaker or another future device to alert the user to impending dangers, thus preventing sudden death. Prof. Rishpon is also investigating the application...

Sunshine Heart Provides C-Pulse U.S. Clinical Update

... breath. The most common treatments for Class III heart failure are drugs, lifestyle adjustments, family education, device therapy (i.e. heart failure pacemaker with or without a defibrillator), or surgery. A major medical treatment challenge is that the drug therapy and CRT options often stop alleviating sym...

When You Make Things That Get Implanted in People, Small Things Count

...icators in Paso Robles, California, will make silicone micro-implants such as surgical drains, catheter systems, intravenous drug delivery devices and pacemaker leads. What is not routine is the incredibly precise tolerances demanded of these miniature products. Considering that silicone is a highly flexible s...

Boston Scientific Announces Results for Second Quarter Ended June 30, 2009

... ------- ------- ------- ------- ------- ------- ICD systems $315 $276 $139 $144 $454 $420 pacemaker systems 90 88 65 70 155 158 Total CRM products $405 $364 $204 $214 $609 $578 ...

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Pacemaker in Medical Technology

Mayo Clinic Proceedings Reviews Deep Brain Stimulation to Treat Psychiatric Diseases

... functionally equivalent to creating a lesion on the brain, but with the advantage of being adjustable and reversible. "It is like implanting a pacemaker for the brain," says Dr. Lee. The patient is awake during deep brain stimulation surgery while a neurosurgeon implants the electrodes. Patients are ab...

TYRX Presents Early Clinical Results from AIGISRX(TM) Antibacterial Envelope Retrospective Registry

...ted pacemakers and cardioverter defibrillators. AIGIS also securely holds a pacemaker (PM) or implantable cardioverter defibrillator (ICD) in order to create a s...ng "superbugs" or MRSA. In addition, AIGIS is intended to securely hold a pacemaker or implantable cardioverter defibrillator (ICD) in order to create a stable...

One Step Closer: Novel Opioid Receptor Compound in Phase I Clinical Trials

...n a few cases, big money. University discoveries -- in the United States, Canada, and abroad -- have had an impact on everything from health care (the pacemaker from the University of Minnesota , the CAT scan from Georgetown, laser cataract surgery from the University of California-Los Angeles ) to better li...

Impulse Dynamics Announces Pivotal Results at the American College of Cardiology Annual Meeting Late-Breaking Session

...s of a pulse generator and conventional pacing leads which deliver the therapy to the cardiac tissue. The device is implanted in a manner similar to a pacemaker procedure. Unlike conventional pacing methods, however, the OPTIMIZER device utilizes Cardiac Contractility Modulation therapy in which electrical imp...

Cordex Pharma Announces Strategic Master Services Equity Agreement With Cato BioVentures

...cute therapeutic, ATPace is expected to become the first diagnostic drug, which identifies bradycardic syncope patients who could benefit from cardiac pacemaker therapy. The only approved diagnostic for this purpose is the Implantable Loop Recorder (ILR), a medical device that is surgically implanted in the pa...

Mayo Clinic Discovery May Help Diabetic Gastric Problem

...ach spasms and weight loss due to inadequate absorption of nutrients. The abnormally high blood glucose levels cause chemical changes in nerves and in pacemaker cells which regulate digestive processes in the gut, and damage blood vessels that carry oxygen and nutrients to cells. "If these data are confirmed...

Device Blocking Stomach Nerve Signals Shows Promise in Obesity

...mulating a normal, regular heartbeat, it uses high-frequency electricity to block the nerve impulses between the brain and the stomach and pancreas. A pacemaker continuously monitors the heart and regulates its beating. But the patient flips a switch to activate the VBLOC device when the system is worn during ...

Analysis Shows Vernakalant Hydrochloride Injection Increases Conversion to Normal Heart Rhythm in Acute Atrial Fibrillation Patients Treated Within 48 Hours of Onset

...art, beat irregularly and at an extremely rapid rate.(1) During AF, rapid and uncoordinated electrical discharges are generated by the heart's natural pacemaker (sinoatrial node) and other parts of the atria. This causes ineffective contractions of the atria and reduces the ability of the heart to pump blood t...

Pacemaker in Medical Products

Traverser Pacemaker Lead Tunneling Tool

Description: An aid for advancing a pacemaker lead through the subcutaneous tissue of the chest wall to the pacemaker pocket....
Company:Pressure Products

Affinity™ VDR Pacemaker

Description: The Affinity pacemaker family offers some of today's smallest, truly automatic devices. Featuring the most effective combination of advanced technologies ever seen, the Affinity DR pacemaker incorporates the exclusive ventricular AutoCapture Pacing Systems, assuring Beat-by-Beat capture....
Company:St. Jude Medical, Inc.

Verity Adx Pacemaker

Description: The Verity ADx pacemaker family, which includes the world's longest lasting single- and dual-chamber pacemakers, provides clinicians with a variety of feature options and header configurations to meet various clinical needs....
Company:St. Jude Medical, Inc.

Trilogy® Pacemaker

Description: Trilogy Pacemakers incorporates the clinically proven Omniscence™ accelerometer sensor with it's automatic alogorithms. The Trilogy family of pacemakers feature an array of products for bradyarrhythmia therapy....
Company:St. Jude Medical, Inc.

Microny® Pacemaker

Description: The Microny pacemakers are among the smallest devices in the world. The Microny II SR+ pacemaker is the world's smallest, single-chamber rate-responsive pulse generator. The Microny pacemakers feature the unique AutoCapture Pacing Systems....
Company:St. Jude Medical, Inc.

Regency Pacemaker

Description: The Regency family of pacemakers offers advanced, easy-to-use rate-responsive and nonrate-responsive devices....
Company:St. Jude Medical, Inc.

Integrity® Pacemaker

Description: The Integrity family of pacemakers features several of the most advanced and truly automatic devices in today's worldwide pacing market. Offering an unparalleled combination of automated features and diagnostic information, the system builds on the popular and proven Affinity™ pacemakers plat...
Company:St. Jude Medical, Inc.

Integrity® Adx Pacemaker

Description: The Integrity ADx pacemaker family, which includes the world's smallest dual-chamber pacemaker, provides clinicians with advanced pacemaker technology, including the revolutionary AF Suppression™ algorithm, the first U.S. commercially approved algorithm designed to suppress atrial fibrillatio...
Company:St. Jude Medical, Inc.

Identity® Pacemaker

Description: The Identity pacemaker family, which includes the world's smallest dual-chamber pacemaker, provides clinicians with the most advanced pacemaker technology available, including the revolutionary AF Suppression™ algorithm, the first and only U.S. commercially approved algorithm designed to supp...
Company:St. Jude Medical, Inc.

Identity® Adx Pacemaker

Description: The Identity ADx pacemaker family, which includes the world's smallest dual-chamber pacemaker, provides clinicians with the most advanced pacemaker technology available, including the revolutionary AF Suppression™ algorithm, the first and only U.S. commercially approved algorithm designed to ...
Company:St. Jude Medical, Inc.

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Pacemaker in Medical Dictionary

Pacemaker

A pacemaker is a medical device which uses electrical impulses, delivered by electrodes contacting the heart muscles, to regulate the beating of the heart. The primary purpose of a pacemaker is to maintain an adequate heart... The heart's "natural" pacemaker is called the sinoatrial (...

Sick sinus syndrome

...osis, treatment of ... Some people with sick sinus syndrome need a pacemaker to keep the ... Sick Sinus Syndrome does not seem to affect survival; instead, the factors that ... Effects of permanent pacemaker and oral theophylline in sick sinus syndrome . ... INTRODUCTION T...

Implantable cardioverter

... implantable cardioverter defibrillator and ... Print All Page for pacemaker ... What Is an Implantable Cardioverter Defibrillator? An implantable ...ble Cardioverter Defibrillator Insertion? -Reasons for the Procedure ... pacemaker / Implantable Cardioverter Defibrillator ... Detailed information o...

EKG

...al Benefits for Veterans ... Attacks confirmed by EKG or Holter monitor?. pacemaker present? ... EKG . Holter monitor, other tests as indicated. ... The C... and echocardiography ... Electrocardiograms, EKG , ECG, echocardiograms, pacemaker x-rays, puzzler ... MaineGeneral Health; Augusta, Maine; Kennebec Vall...

Defibrillator

...ibrillator and more! ... This implantable cardioverter defibrillator (ICD) monitors for and, if necessary, ... Help and Support For Heart ICD pacemaker Cardioverter Defibrillator Implant Recipients Families, Doctors, Medical School, Medtronic, Guidant, St Jude, Recalls, ... defibrillator n. An...

Cardiac Failure

..... Find out about how heart failure is diagnosed, its symptoms, and living with the ... failure symptoms may be improved with biventricular pacemaker or cardiac ... : While currently approved for use only in adults, the efficacy of carvedilol in improving the status of children with heart ...

Cardiac

... cardiac massage. ... Current and accurate information for patients about Cardiac MRI. ... implanted electronic device, including a cardiac pacemaker ... Current and accurate information for patients about Cardiac Nuclear Medicine. ... If life threatening cardiac disease is suspected beca...

Bradycardia

...the heart rate, usually fewer than 60 beats per minute in an adult human ... heart block have persistent or intermittent bradycardia . ... A pacemaker is the most effective treatment for Bradycardia , a slow heart rate. ... Bradycardia (Slow Heartbeat) ... Bradycardia is defined as a slow o...

Pacemaker in Biological News

Towards a natural pacemaker

Artificial heart pacemakers have saved and extended the lives of thousands of people, but they have their shortcomings such as a fixed pulse rate and a limited life. Could a permanent biological solution be possible? Richard Robinson and colleagues at New York's Columbia and Stony Brook Univ...

Study provides insight on a common heart rhythm disorder

... sinus syndrome," the disease affects approximately one in 600 heart patients older than 65 and is responsible for 50 percent or more of the permanent pacemaker placements in the United States. While the newly discovered gene variant is rare, the study provides insight into cellular mechanisms that regulat...

Galloping and breathing at high speed

...d People? For the last three years the researchers have been developing a pacemaker for the larynx. The electrical implant can be placed into the muscle or aro...en. The researchers are part of a team looking at application for the pacemaker for humans for individuals who have laryngeal paralysis or undergo laryngea...

How to stop a new type of heart attack

...d be used to modify wireless communications from a pacemaker ( New Scientist, 22 March, p 23). Doctors normall...device, but a malicious hacker could reprogram the pacemaker to give its wearer damaging shocks, or run down it... attacks in people with photosensitive epilepsy. pacemaker users could be similarly targeted, and there are a...

'Cross fire' from the brain makes patients tremble

... therapy for Parkinson's disease. A new deep brain pacemaker is to bring cells out of the diseased mode for goo...tion, are on the right track. Their new deep brain pacemaker is to help Parkinson's patients on a large scale f...ntional devices of this type, the Jlich deep brain pacemaker puts less strain on the patient and needs less ene...

Gene mutations in mice mimic human-like sleep disorder, UT Southwestern researchers find

...n other potassium channels. These channels are common in a portion of the brain called the thalamic reticular nucleus, which is thought to act as a pacemaker during sleep, controlling slow-wave sleep the deep, restful sleep that occurs without dreams. The mutant mice slept only 50 percent to 60 percent ...

An 'attractive' man-machine interface

...r mobile situations. Ingber envisions a kind of pacemaker that would involve an injection of nanoparticles i...ce wires, he speculates. You could also have a pacemaker for muscles in different parts of your body, or a pacemaker for producing hormones or insulin, Ingber adds. If...

Beyond batteries: Storing power in a sheet of paper

...ly occurring electrolytes in human sweat, blood, and urine can be used to activate the battery device. Its a way to power a small device such as a pacemaker without introducing any harsh chemicals such as the kind that are typically found in batteries into the body, Pushparaj said. The materials requi...

Slowing the racing heart

...ulation Research how an enzyme acts on the heart's pacemaker to slow the rapid beating of the heart's "fight-or...cells to beat. In the human heart, one cell -- the pacemaker cell -- beats faster or slower to induce a rhythmi... we eat, sleep or exercise. "Disturbances of pacemaker control are common in heart diseases. When the hea...

Keeping the body in sync -- The stability of cellular clocks

...ntrolled by the coordinated action of a limited number of core clock genes. The oscillators work like this: the cell receives a signal from the master pacemaker in the hypothalamus, and then these clock genes respond by setting up concentration gradients that change in a periodic manner. The cell “interprets?t...

Pacemaker in Biological Technology

Patent Awarded for a New X-ray Imaging Technology with Capability Unrealized with Present Day Radiological Modalities

...pability unrealized with present day radiological modalities. To make sure that an implanted stent, shunt, heart valve, catheter, defibrillator or pacemaker is working properly, a high-resolution, magnified x-ray can reveal how the device is functioning. But until recently, observing the device with detail...

Boston Scientific Announces European Approval and Market Launch of New Family of Advanced Pacemakers

...LTRUA(TM) family of pacemakers. ALTRUA is Boston Scientific's most advanced pacemaker and delivers enhanced therapies while maintaining its small size and batter...ts -- demonstrates our renewed focus on treating bradycardia." The ALTRUA pacemaker provides physicians with a number of diagnostic and therapeutic capabilitie...

New research shows that iPods do not interfere with cardiac pacemakers

...ey also measured the voltages delivered inside the pacemaker by the magnetic fields from the iPods. All measure...n a single incident where a patient with a cardiac pacemaker suffered dizziness while using an iPod. Cardiologi... was placed inside a simulated human torso used by pacemaker manufacturers for interference testing. Bassen and...

Bystolic(TM), a Novel Beta Blocker, is Now Approved by the FDA for the Treatment of Hypertension

...n severe bradycardia, heart block greater than first degree, cardiogenic shock, decompensated cardiac failure, sick sinus syndrome (unless a permanent pacemaker is in place), severe hepatic impairment (Child-Pugh >B), and in patients who are hypersensitive to any component of this product. Like other beta bl...

Pacemaker in Biological Definition

Ion channel

... channels allow potassium to flow into the cell in an inwardly rectifying manner. They are involved in important physiological processes such as the pacemaker activity in the heart, insulin release, and potassium uptake in glial cells. Certain channels respond to multiple influences. For instance, the ...

Pacemaker in Biological Dictionary

Purkinje fibers

... Purkinje fibers are a unique end organ cardiac extension of the Autonomic Nervous System. ... Cardiac pacemaker · SA node · AV node• bundle of His · Purkinje fibers ... For the cells of the electrical conduction system of the heart, see Purkinje ...