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Ultrasound Homepage

German Armed Forces purchases 142 Philips Lumify app-based ultrasound systems Will be standard equipment in emergency and rescue operations

Focused Ultrasound Foundation receives $10 million donation from anonymous donor 'Huge, transformative' for the field of focused ultrasound

Study finds focused ultrasound can reduce Parkinson's tremor Research underway to find additional applications

$10 Nintendo chip turns ultrasound machine into 3-D scanner A potential game-changer for obtaining quick scans in the trauma unit

FDA approves ultrasound that connects to iPhone and will be sold for less than $2000 The world's first 'ultrasound-on-a-chip'-based imaging system

FDA approves study with INSIGHTEC’s Exablate Neuro for Parkinson’s Aims to reduce dyskinesia symptoms and improve motor skills

Clinical trial combining focused ultrasound and immunotherapy underway Aim is to enhance the ability of the immune system to recognize tumors

Henry Schein to distribute Terason’s uSmart 3200T NexGen portable ultrasound Enabling point-of-care exams during transportation in emergency vehicles

Esaote launches MyLab9 eXP ultrasound system Designed to enhance image clarity, workflow and performance

Bracco Imaging acquires SurgVision Enables development of a real-time fluorescence image-guided surgery platform

Wireless, handheld spinal ultrasound takes the guesswork out of epidural needle placement

par John W. Mitchell , Senior Correspondent
Two recent studies demonstrate the effectiveness of a portable ultrasound device to improve patient satisfaction and anesthesia workflow in placing epidural anesthesia blocks.

A Stanford University Medical Center study team found that the Rivanna Accuro automatic spinal navigation system identified the appropriate interspace for needle insertion in 94 percent of patients, and enabled first-attempt epidural placements in 87 percent of patients.

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The most recent Stanford study will soon be published in Anesthesia & Analgesia. Another study conducted at the University of Virginia Medical Center yielded similar findings. The UVA study was published earlier this year in Investigative Radiology.

“The device may improve patient care by decreasing the amount of time it takes to place an epidural and decreasing the number of attempts it takes to place an epidural,” Brendan Carvalho, FRCA, chief, Obstetric Anesthesia at Stanford told HCB News. “Pre-procedure ultrasound and epidural depth estimates may also improve the safety of labor epidurals by reducing block failures, decreasing traumatic placements, avoiding unnecessarily high epidural insertions and potentially decreasing accidental dural punctures.”

According to Will Mauldin, Ph.D., CEO of Rivanna, which developed the Accuro, without the device, up to 80 percent of first-attempt epidural needle placements fail. He said the device allows the anesthesia provider to more quickly and reliably implement neuraxial ultrasound. The studies found that the device functioned well on both obese patients and those with atypical spinal anatomy.

“Over a decade of clinical evidence and recent meta-analyses have revealed that neuraxial ultrasound, in the hands of expert users, improves success rates, reduces needle sticks, and improves safety,” said Mauldin. “However, performing neuraxial ultrasound with conventional machines is challenging, and studies show that using it competently requires a steep learning curve. Furthermore, accessibility of standard ultrasound equipment can be limiting.”

He explained that the Accuro device has proprietary technologies that overcome these limitations. Lightweight, portable, and untethered, Accuro weighs less than three-fourths of a pound, and can be used with single-handed operation.

According to Mauldin, the SpineNav3D software automates image interpretation providing instantaneous epidural location and depth. BoneEnhance image reconstruction produces images of bone landmarks that are easier to interpret, compared to images generated by conventional ultrasound systems.
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