//www.koonmotors.com/news/health_medicine/medical_devices/ Latest research news on medical devices and medical technology. en-us Wed, 06 Sep 2023 14:45:10 EDT Wed, 06 Sep 2023 14:45:10 EDT 60 //www.koonmotors.com/images/scidaily-logo-rss.png//www.koonmotors.com/news/health_medicine/medical_devices/ For more science news, visit ScienceDaily. //www.koonmotors.com/releases/2023/08/230830131943.htm Disrupted connections between memory and appetite regulating brain circuits are directly proportional to body mass index (BMI), notably in patients who suffer from disordered or overeating that can lead to obesity, such as binge eating disorder (BED), according to new research. The research notes that individuals who are obese have impaired connections between the dorsolateral hippocampus (dlHPC) and the lateral hypothalamus (LH), which may impact their ability to control or regulate emotional responses when anticipating rewarding meals or treats. Wed, 30 Aug 2023 13:19:43 EDT //www.koonmotors.com/releases/2023/08/230830131943.htm //www.koonmotors.com/releases/2023/08/230814122332.htm Medical imaging via X-rays, CT scans, MRIs and ultrasounds provide health-care professionals with unique perspectives and a better understanding of what's happening inside a patient's body. Using various forms of waves, these machines can visualize many unseen ailments and diseases. This imaging is beneficial for health-care professionals to make correct diagnoses, but the added insight of spectroscopy provides even more detail. Spectroscopy offers a means to identify biomolecules within specimens through their characteristic signatures for absorption in the electromagnetic spectrum. Mon, 14 Aug 2023 12:23:32 EDT //www.koonmotors.com/releases/2023/08/230814122332.htm //www.koonmotors.com/releases/2023/08/230809125914.htm Alzheimer's disease, one of the most common neurodegenerative diseases, leads to progressive loss of memory and autonomy. It is characterized by the accumulation of neurotoxic proteins in the brain, namely amyloid plaques and tau tangles. Due to the silent development of pathology over decades, very early diagnosis is of utmost importance to be able to take action as early as possible in the disease process. Wed, 09 Aug 2023 12:59:14 EDT //www.koonmotors.com/releases/2023/08/230809125914.htm //www.koonmotors.com/releases/2023/07/230728170625.htm In hopes of improving the survival rate for breast cancer patients, researchers designed a wearable ultrasound device that could allow women to detect tumors when they are still in early stages. Fri, 28 Jul 2023 17:06:25 EDT //www.koonmotors.com/releases/2023/07/230728170625.htm //www.koonmotors.com/releases/2023/07/230726113102.htm Physicists have succeeded in making a new imaging technique ready for use on humans. Radioactive markers and radiation are not necessary for this. Wed, 26 Jul 2023 11:31:02 EDT //www.koonmotors.com/releases/2023/07/230726113102.htm //www.koonmotors.com/releases/2023/07/230724182719.htm Researchers have discovered that the sentinels guarding the healthy human cornea from pathogens and inflammation are T cells, and not another type of immune cells called dendritic cells, as previously thought. Mon, 24 Jul 2023 18:27:19 EDT //www.koonmotors.com/releases/2023/07/230724182719.htm //www.koonmotors.com/releases/2023/07/230711133152.htm Scientists have found a new use for copper in magnetic resonance imaging (MRI) contrast agent design, that could help to create better images which help doctors diagnose patients' conditions more easily and safely. Tue, 11 Jul 2023 13:31:52 EDT //www.koonmotors.com/releases/2023/07/230711133152.htm //www.koonmotors.com/releases/2023/06/230627225203.htm A new study shows that information from body postures plays a similarly important role for dogs as it does for humans. The results offer new insights into how dogs and humans perceive each other and their environment. They confirm that the temporal lobe plays a central role in social communication and perception. Tue, 27 Jun 2023 22:52:03 EDT //www.koonmotors.com/releases/2023/06/230627225203.htm //www.koonmotors.com/releases/2023/06/230627123007.htm Molecular imaging with 18F-flubatine PET/MRI has shown that neuroreceptors in the brains of individuals with obesity respond differently to food cues than those in normal-weight individuals, making the neuroreceptors a prime target for obesity treatments and therapy. This research contributes to the understanding of the fundamental mechanisms underlying obesity and offers valuable insights into potential medical interventions. Tue, 27 Jun 2023 12:30:07 EDT //www.koonmotors.com/releases/2023/06/230627123007.htm //www.koonmotors.com/releases/2023/06/230615105312.htm Folate-based radiopharmaceuticals can be used in positron emission tomography (PET) imaging to detect folate receptors in brain tumours. The discovery of folate receptors and their exploitation potential with respect to brain tumours is a new and significant finding in the field. Thu, 15 Jun 2023 10:53:12 EDT //www.koonmotors.com/releases/2023/06/230615105312.htm //www.koonmotors.com/releases/2023/05/230511164531.htm New technology can detect rapid pressure changes inside your heart. The state-of-the-art technology uses magnetic resonance imaging (MRI) to create detailed images of the heart. Using the new technology, the team discovered that pressure inside the heart goes up when given a specific medication for testing the heart's blood flow. They also found out why this medication, called adenosine, makes patients breathless during the test. The team say their findings could help doctors better diagnose and monitor patients with heart disease and heart failure. Thu, 11 May 2023 16:45:31 EDT //www.koonmotors.com/releases/2023/05/230511164531.htm //www.koonmotors.com/releases/2023/05/230502201346.htm Engineers have developed a stretchable ultrasonic array capable of serial, non-invasive, three-dimensional imaging of tissues as deep as four centimeters below the surface of human skin, at a spatial resolution of 0.5 millimeters. This new method provides a non-invasive, longer-term alternative to current methods, with improved penetration depth. Tue, 02 May 2023 20:13:46 EDT //www.koonmotors.com/releases/2023/05/230502201346.htm //www.koonmotors.com/releases/2023/04/230404114214.htm According to some estimates, up to 80% of patients who experience a ruptured abdominal aortic aneurysm will die before they reach the hospital or during surgery. But early intervention can prevent rupture and improve outcomes. Researchers have now made a computational model of the cardiovascular system in order to predict early AAA rupture and monitor patients' blood vessel conditions. They mimicked specific health conditions and investigated various hemodynamic parameters using image-based computational blood dynamics. Tue, 04 Apr 2023 11:42:14 EDT //www.koonmotors.com/releases/2023/04/230404114214.htm //www.koonmotors.com/releases/2023/03/230328145205.htm A newly published literature review sheds light on how nuclear medicine brain imaging can help evaluate the biological changes that cause chemotherapy-related cognitive impairment (CRCI), commonly known as chemo-brain. Armed with this information, patients can understand better the changes in their cognitive status during and after treatment. Tue, 28 Mar 2023 14:52:05 EDT //www.koonmotors.com/releases/2023/03/230328145205.htm //www.koonmotors.com/releases/2023/03/230320102109.htm A new technique that combines highly detailed, real-time images of inside the body with a type of infrared light has been used during surgery to differentiate between cancerous tumors and healthy tissue. Mon, 20 Mar 2023 10:21:09 EDT //www.koonmotors.com/releases/2023/03/230320102109.htm //www.koonmotors.com/releases/2023/03/230316124440.htm Criteria used by neurologists to assess for multiple sclerosis (MS) in adults may fail to identify the illness in children with imaging suspicious for the disease, an oversight that could delay treatment of the disease at its earliest stages, according to a new study. Thu, 16 Mar 2023 12:44:40 EDT //www.koonmotors.com/releases/2023/03/230316124440.htm //www.koonmotors.com/releases/2023/03/230309124934.htm Researchers found evidence of heart muscle inflammation in a small number of patients with acute myocarditis after COVID-19 vaccination, but not in patients without acute myocarditis, according to a new study. Thu, 09 Mar 2023 12:49:34 EST //www.koonmotors.com/releases/2023/03/230309124934.htm //www.koonmotors.com/releases/2023/02/230207144246.htm Engineers have developed artificial intelligence (AI) technology to predict if women with breast cancer would benefit from chemotherapy prior to surgery. Tue, 07 Feb 2023 14:42:46 EST //www.koonmotors.com/releases/2023/02/230207144246.htm //www.koonmotors.com/releases/2023/01/230127131141.htm Findings in animal models show that a U.S. Food and Drug Administration (FDA)-approved antibiotic regimen for multidrug-resistant (MDR) tuberculosis (TB) may not work for TB meningitis. Fri, 27 Jan 2023 13:11:41 EST //www.koonmotors.com/releases/2023/01/230127131141.htm //www.koonmotors.com/releases/2023/01/230125121552.htm 工程师和医生已经开发出一种可穿戴ultrasound device that can assess both the structure and function of the human heart. The portable device, which is roughly the size of a postage stamp, can be worn for up to 24 hours and works even during strenuous exercise. Wed, 25 Jan 2023 12:15:52 EST //www.koonmotors.com/releases/2023/01/230125121552.htm //www.koonmotors.com/releases/2023/01/230124132014.htm A new study suggests that some patients diagnosed with behavioral-variant frontotemporal dementia (bvFTD) -- an incurable condition that robs patients of the ability to control their behavior and cope with daily living -- may instead have a cerebrospinal fluid leak, which is often treatable. Tue, 24 Jan 2023 13:20:14 EST //www.koonmotors.com/releases/2023/01/230124132014.htm //www.koonmotors.com/releases/2023/01/230117110438.htm Chemists have developed a tool for noninvasive brain imaging that can help illuminate hard-to-access structures and processes. Their small-molecule dye is the first of its kind that can cross the blood-brain barrier, allowing researchers to differentiate between healthy brain tissue and a glioblastoma tumor in mice. Tue, 17 Jan 2023 11:04:38 EST //www.koonmotors.com/releases/2023/01/230117110438.htm //www.koonmotors.com/releases/2023/01/230112113156.htm For men who undergo radiotherapy for localized prostate cancer, the precise targeting capabilities of MRI guidance resulted in fewer toxicities and better quality of life according to new research. Thu, 12 Jan 2023 11:31:56 EST //www.koonmotors.com/releases/2023/01/230112113156.htm //www.koonmotors.com/releases/2023/01/230111104313.htm Researchers are developing a new ultrahigh-speed single-pixel camera. This new device, called single-pixel imaging accelerated via swept aggregate patterns (SPI-ASAP) is capable of streaming video at 12,000 frames per second using light modulation, giving it great flexibility. This work represents a breakthrough in ultra-high-speed single-pixel imaging. Wed, 11 Jan 2023 10:43:13 EST //www.koonmotors.com/releases/2023/01/230111104313.htm //www.koonmotors.com/releases/2023/01/230103133757.htm Researchers have developed and substantiated an advanced magnetic resonance imaging (MRI) tool to reveal new structural insights into atherothrombosis, a long-term arterial vessel wall disease characterized by the build-up of lipid-rich and inflamed plaques. Tue, 03 Jan 2023 13:37:57 EST //www.koonmotors.com/releases/2023/01/230103133757.htm //www.koonmotors.com/releases/2023/01/230103133738.htm Radiation, used to treat half of all cancer patients, can be measured during treatment for the first time with precise 3D imaging. By capturing and amplifying tiny sound waves created when X-rays heat tissues in the body, medical professionals can map the radiation dose within the body, giving them new data to guide treatments in real time. It's a first-of-its-kind view of an interaction doctors have previously been unable to 'see.' Tue, 03 Jan 2023 13:37:38 EST //www.koonmotors.com/releases/2023/01/230103133738.htm //www.koonmotors.com/releases/2022/12/221222123044.htm Using a specialized MRI sensor, engineers have shown that they can detect light deep within tissues such as the brain. Thu, 22 Dec 2022 12:30:44 EST //www.koonmotors.com/releases/2022/12/221222123044.htm //www.koonmotors.com/releases/2022/12/221216142628.htm A team of engineers has developed a photoacoustic patch that can monitor biomolecules in deep tissues, including hemoglobin. It can perform 3D mapping of hemoglobin with a submillimeter spatial resolution in deep tissues, down to centimeters below the skin, versus other wearable electrochemical devices that only sense the biomolecules on the skin surface. Fri, 16 Dec 2022 14:26:28 EST //www.koonmotors.com/releases/2022/12/221216142628.htm //www.koonmotors.com/releases/2022/12/221206105915.htm 研究人员产生暗场x射线图像of patients infected with the corona virus. In contrast to conventional X-ray images, dark-field images visualize the microstructure of the lung tissue, thereby providing additional information. Tue, 06 Dec 2022 10:59:15 EST //www.koonmotors.com/releases/2022/12/221206105915.htm //www.koonmotors.com/releases/2022/11/221129134412.htm New research yields a novel method to use ultrasound to enhance machine learning's ability to accurately diagnose -- or rule out -- ovarian cancer. Tue, 29 Nov 2022 13:44:12 EST //www.koonmotors.com/releases/2022/11/221129134412.htm //www.koonmotors.com/releases/2022/11/221128140340.htm Researchers used machine learning to pinpoint the most accurate means, and timelines, for anticipating the advancement of Alzheimer's disease in people who are either cognitively normal or experiencing mild cognitive impairment. Mon, 28 Nov 2022 14:03:40 EST //www.koonmotors.com/releases/2022/11/221128140340.htm //www.koonmotors.com/releases/2022/11/221117135542.htm Simulations reveal details about the magnetic interactions between gadolinium contrast agents used in MRI scans and their environment. Thu, 17 Nov 2022 13:55:42 EST //www.koonmotors.com/releases/2022/11/221117135542.htm //www.koonmotors.com/releases/2022/11/221110101759.htm A scalpel-free, high-tech form of brain surgery offers long-term relief for patients with essential tremor, a common movement disorder, a five-year review shows. Thu, 10 Nov 2022 10:17:59 EST //www.koonmotors.com/releases/2022/11/221110101759.htm //www.koonmotors.com/releases/2022/10/221027170305.htm Engineers are developing a new kind of pacemaker, which envelops the heart and uses precise targeting capabilities to bypass pain receptors and reduce patient discomfort. Thu, 27 Oct 2022 17:03:05 EDT //www.koonmotors.com/releases/2022/10/221027170305.htm //www.koonmotors.com/releases/2022/10/221019172226.htm A new highly selective PET imaging agent can detect the presence of overexpressed monoamine oxidase-B (MAO-B) in cognitively unimpaired individuals with high beta amyloid -one of the earliest signs of Alzheimer's diseas-according to new research. The radiotracer, 18F-SMBT-1, allows for a better understanding of the role of inflammation in Alzheimer's disease, which can enable more accurate staging and prognosis at earlier stages. Wed, 19 Oct 2022 17:22:26 EDT //www.koonmotors.com/releases/2022/10/221019172226.htm //www.koonmotors.com/releases/2022/10/221007112106.htm Researchers have observed that the length of daylight hours impacts opioid receptor levels in brown fat. When daylight hours shorten, the receptor activity levels elevate. A similar phenomenon also takes place in the brain. Both phenomena help people and animals in the adaptation to seasonal changes. Fri, 07 Oct 2022 11:21:06 EDT //www.koonmotors.com/releases/2022/10/221007112106.htm //www.koonmotors.com/releases/2022/10/221007085716.htm Researchers have developed a method to detect build-up of amyloid beta in the brain, a characteristic of Alzheimer's disease, from biomarkers in blood samples. Fri, 07 Oct 2022 08:57:16 EDT //www.koonmotors.com/releases/2022/10/221007085716.htm //www.koonmotors.com/releases/2022/10/221006160611.htm Researchers have developed an imaging agent for demyelination and evaluated its use in healthy human volunteers. Thu, 06 Oct 2022 16:06:11 EDT //www.koonmotors.com/releases/2022/10/221006160611.htm //www.koonmotors.com/releases/2022/10/221006121128.htm An advanced design technique, used to develop components for aerospace and automotive industries, has been harnessed in the production of bespoke medical devices. Thu, 06 Oct 2022 12:11:28 EDT //www.koonmotors.com/releases/2022/10/221006121128.htm //www.koonmotors.com/releases/2022/10/221006111842.htm Results of a new study suggest the prefrontal cortex-habenula circuit is potentially amenable for targeted interventions and prevention. Thu, 06 Oct 2022 11:18:42 EDT //www.koonmotors.com/releases/2022/10/221006111842.htm //www.koonmotors.com/releases/2022/09/220921210007.htm Researchers have developed cutting-edge technology to diagnose patients with heart failure in record time. The state-of-the-art technology uses magnetic resonance imaging (MRI) to create detailed 4D flow images of the heart. But unlike a standard MRI scan, which can take up to 20 minutes or more, the new 4D heart MRI scan takes just eight minutes. Wed, 21 Sep 2022 21:00:07 EDT //www.koonmotors.com/releases/2022/09/220921210007.htm //www.koonmotors.com/releases/2022/09/220913110443.htm An artificial intelligence (AI) tool is highly effective at detecting pancreatic cancer on CT, according to a new study. Tue, 13 Sep 2022 11:04:43 EDT //www.koonmotors.com/releases/2022/09/220913110443.htm //www.koonmotors.com/releases/2022/09/220901135744.htm A systematic review of twenty-three studies suggests that, during pregnancy, expectant parents' feelings towards their unborn baby (fetus) can be positively enhanced by sonographers (specialist healthcare professionals who are trained to perform pregnancy ultrasound scans) making imaging examinations a truly parent-centred experience. Such an experience can allay feelings of anxiety and stress in the parents, helping them to feel more informed about the health and well-being of their unborn baby, and reassured of their emotional investment in the on-going pregnancy. Thu, 01 Sep 2022 13:57:44 EDT //www.koonmotors.com/releases/2022/09/220901135744.htm //www.koonmotors.com/releases/2022/08/220830165310.htm Multiple system atrophy (MSA) is a neurodegenerative disorder characterized by the aggregation of alpha-synuclein in the brain. Now, scientists have developed a radioligand that facilitates the imaging of alpha-synuclein aggregates in patients with MSA. Their findings have the potential to completely change the scenario of diagnosing neurodegenerative diseases. Tue, 30 Aug 2022 16:53:10 EDT //www.koonmotors.com/releases/2022/08/220830165310.htm //www.koonmotors.com/releases/2022/08/220830131642.htm Breast tissue features apparent on MRI are linked with future second breast cancer risk in women with a personal history of breast cancer, according to a new study. Tue, 30 Aug 2022 13:16:42 EDT //www.koonmotors.com/releases/2022/08/220830131642.htm //www.koonmotors.com/releases/2022/08/220817104018.htm In a small study, motion analysis of video recorded on a smartphone accurately identified narrowed neck arteries in adults, which are a risk factor for stroke. The smartphone video motion analysis technology may be an early screening tool for detecting narrowed arteries in the neck, which may improve patient outcomes. Wed, 17 Aug 2022 10:40:18 EDT //www.koonmotors.com/releases/2022/08/220817104018.htm //www.koonmotors.com/releases/2022/08/220810161032.htm A new study suggests that readily available PET scanning could enable a whole-body analysis of the effects of systemic STING-activating therapy in humans, potentially providing a diagnostic tool to guide clinical development of this treatment approach. Wed, 10 Aug 2022 16:10:32 EDT //www.koonmotors.com/releases/2022/08/220810161032.htm //www.koonmotors.com/releases/2022/07/220728142925.htm Engineers designed an adhesive patch that produces ultrasound images of the body. The stamp-sized device sticks to skin and can provide continuous ultrasound imaging of internal organs for 48 hours. Thu, 28 Jul 2022 14:29:25 EDT //www.koonmotors.com/releases/2022/07/220728142925.htm //www.koonmotors.com/releases/2022/07/220722184812.htm 新的研究可能会导致管道的早期诊断ions such as Alzheimer's disease, schizophrenia and autism -- in time to help prevent and more easily treat these disorders. Fri, 22 Jul 2022 18:48:12 EDT //www.koonmotors.com/releases/2022/07/220722184812.htm //www.koonmotors.com/releases/2022/07/220713114641.htm Researchers have developed a noninvasive method to identify a potential cause of hypertension with a drastic reduction in radiation exposure, a new study shows. The fluorine-based reagent detects whether the hormone aldosterone is being produced abnormally, which is a possible sign of an adrenal adenoma, a tumor that can cause hypertension and can be removed surgically. Wed, 13 Jul 2022 11:46:41 EDT //www.koonmotors.com/releases/2022/07/220713114641.htm //www.koonmotors.com/releases/2022/07/220705162228.htm Scientists have taken a promising step towards a new generation of accurate, affordable and portable devices to detect concussion, epilepsy and dementia. 星期二,2022年7月05 16:22:28美国东部时间 //www.koonmotors.com/releases/2022/07/220705162228.htm //www.koonmotors.com/releases/2022/06/220630134839.htm An optical fiber as thin as a strand of hair holds promise for use in minimally invasive deep-tissue studies of patients' brains that show the effects Alzheimer's disease and other brain disorders. The challenge is efficiently increasing image resolution at the subcellular level, because loss of information is inevitable from light scrambling. Thu, 30 Jun 2022 13:48:39 EDT //www.koonmotors.com/releases/2022/06/220630134839.htm //www.koonmotors.com/releases/2022/06/220615102926.htm High-intensity focused ultrasound (HIFU) can help some men with prostate cancer avoid surgery or radiation. Wed, 15 Jun 2022 10:29:26 EDT //www.koonmotors.com/releases/2022/06/220615102926.htm //www.koonmotors.com/releases/2022/06/220614095559.htm Percutaneous nephrolithotomy (PCNL) is an efficient surgical intervention for removing large kidney stones. However, it is a challenging procedure that requires years of training to perform. To meet the need for quick skill-building, scientists have now developed and trialed an artificial intelligence (AI)-enabled robotic device for assisting surgeons in PCNL. Its notable features include ease of use and better accuracy in creating renal access. Tue, 14 Jun 2022 09:55:59 EDT //www.koonmotors.com/releases/2022/06/220614095559.htm //www.koonmotors.com/releases/2022/06/220613124536.htm A research team has demonstrated in-vivo imaging of fine neuronal structures in mouse cortex through the intact skull at an unprecedented depth of 750 µm below pia, making high-resolution microscopy in cortex near non-invasive and measurably facilitating the study of the living brain. Mon, 13 Jun 2022 12:45:36 EDT //www.koonmotors.com/releases/2022/06/220613124536.htm //www.koonmotors.com/releases/2022/06/220613112121.htm A novel artificial intelligence method can be used to generate high-quality 'PET/CT' images and subsequently decrease radiation exposure to the patient. The method bypasses the need for CT-based attenuation correction, potentially allowing for more frequent PET imaging to monitor disease and treatment progression without radiation exposure from CT acquisition. Mon, 13 Jun 2022 11:21:21 EDT //www.koonmotors.com/releases/2022/06/220613112121.htm //www.koonmotors.com/releases/2022/06/220606134418.htm A chemistry team has engineered a cobalt complex to act as a noninvasive chemical thermometer. They've done so by making the cobalt complex's nuclear spin -- a workhorse, fundamental magnetic property -- mimic the agile, but less stable sensitivity of an electron's spin. Mon, 06 Jun 2022 13:44:18 EDT //www.koonmotors.com/releases/2022/06/220606134418.htm //www.koonmotors.com/releases/2022/06/220602114231.htm Researchers have developed an enhanced version of optical coherence tomography (OCT) that can image biomedical samples at higher contrast and resolution over a wider 3D field of view than was previously possible. Thu, 02 Jun 2022 11:42:31 EDT //www.koonmotors.com/releases/2022/06/220602114231.htm //www.koonmotors.com/releases/2022/06/220602095120.htm Researchers have validated for the first time that a simple blood test called a liquid biopsy could be a better predictor of whether cancer immunotherapy will be successful for a patient with lung cancer than an invasive tumor biopsy procedure. Thu, 02 Jun 2022 09:51:20 EDT //www.koonmotors.com/releases/2022/06/220602095120.htm //www.koonmotors.com/releases/2022/05/220525080524.htm Researchers have developed an imaging technique to capture information about the structure and function of brain tissue at subcellular level -- a few billionth of a meter, while also capturing information about the surrounding environment. The unique approach, overcomes the challenges of imaging tissues at different scales, allowing scientists to see the surrounding cells and how they function, so they can build a complete picture of neural networks in the brain. Wed, 25 May 2022 08:05:24 EDT //www.koonmotors.com/releases/2022/05/220525080524.htm