Whoever said beauty is only skin deep hasn’t looked below to see what Sientra Inc. has made available there recently. The medical aesthetics company now boasts the only tissue expander cleared in the U.S. for exposure to magnetic resonance imaging, an important screening tool for breast reconstruction patients. Sientra’s CTO Denise Dajles told BioWorld the newly cleared Allox2 Pro Tissue Expander builds on the original expander also cleared by the FDA. “No other expander in the market has an MRI compatibility indication because they are based on a metal, i.e., metallic ports and big magnets in them,” Dajles explained.

General Stim Inc.’s implanted sacral nerve stimulation (SNS) system was approved in China to treat individuals with certain bladder and bowel conditions. Hangzhou-based General Stim’s SNS system consists of a sacral nerve stimulator, an extension lead and an electrode.

The U.S. FDA’s citizen’s petition process doesn’t always yield the desired outcome, but the agency must nonetheless respond to these petitions. Sonex Health Inc., has petitioned the FDA to rethink a proposal to reclassify the company’s SX-One device for treatment of carpal tunnel syndrome, an unusual instance in which a medical device maker has resisted a proposal to make a device exempt from regulatory requirements.

Avenda Health Inc. reported new study results showing its Unfold AI platform, which uses artificial intelligence (AI) to map a tumor’s location within the prostate, encapsulates all of the clinically significant cancer present in the gland more effectively than standard care.

Beyond Air Inc. completed a senior secured debt financing of up to $40 million from Avenue Capital Group to support the company’s commercial launch of the Lungfit PH and further development of the Lungfit platform. Beyond Air is focused on applications of nitric oxide for the treatment of patients with a range of respiratory conditions. Its affiliate, Beyond Cancer Ltd., is developing a treatment for solid tumors that uses an ultra-high concentration of nitric oxide.

Surgical care startup Medivis Inc. tallied $20 million in a series A financing led by Thrive Capital. The funds will be used to advance its 3D holographic clinical visualization system. Initialized Capital and Mayo Clinic also participated in the round, along with investors Bob Iger, Kevin Durant, Robert Spetzler, Hugo Barra and Coalition Operators. With the funding from the series A, Medivis has raised a total of roughly $25 million to date.

Gamma imaging is about to move out of the centralized nuclear medicine department and to the point of care, with the start of a U.S. study of a portable device Seracam, under development by Serac Imaging Systems Ltd. The study, at Ohio State University, will compare the performance of Seracam to its larger, fixed, counterpart in imaging the same patients, on the same day.

Boston Scientific Corp. said that three-year primary patency and the four-year freedom from target lesion revascularization (TLR) rate for patients treated with the Ranger drug-coated balloon (DCB), in the Ranger II superficial femoral artery (SFA) study, are the best ever reported data for randomized trials using DCBs.

Surmodics Inc. is poised to jump on the market for below the knee thrombectomy now that its Pounce platform with a low-profile (LP) model has FDA 510(k) clearance. The system can now effectively clear organized clots from vessels as small as 2 mm in diameter. The Pounce LP expands the Eden Prairie, Minn.-based company’s “grab-go-flow” platform. In its first iteration, Pounce enabled removal of thrombi and emboli in peripheral arteries 3.5 mm to 6 mm in diameter.

Cardiorenal SAS reported it has been granted a breakthrough device designation by the U.S. FDA for its Tenor at-home blood potassium measuring device. The Tenor smart device combines multiple technologies, app and cloud capabilities to assist patients with chronic kidney disease in measuring their blood potassium levels from home, obtaining results in under five minutes.