Excuse me while I turn off your insulin pump

Diabetics beware. It is possible to hack your insulin pump, from a distance, so that it can harm you rather than save your life. Other medical devices are also vulnerable to hacking in the current age of cyber insecurity. As if patients don’t have enough to worry about.

Vessel-clog remover Chestnut pulls in $7.8M

Chestnut Medical Technologies, a Menlo Park, Calif., medical-device maker, raised $7.8 million against an anticipated $10 million third funding round, I’ve learned. An SEC document (PDF link) the company filed with the California Department of Corporations disclosed the funding.

Miramar Labs gets $20M for “aesthetic” devices

Miramar Labs (no Web site), a Menlo Park, Calif., medical-device maker, raised $20.3 million in a second funding round, I’ve learned. There isn’t a huge amount of public information about the company, although it appears that the company is working on electromechanical devices of some sort for “aesthetic indications” — cosmetic surgery, in short.

Nellix raises $6.5M for aneurysm grafts

Nellix Endovascular, a Palo Alto, Calif., medical-device maker, raised $6.5 million in a third funding round, I’ve learned. The startup is developing a new treatment for repairing blood-vessel flaws in the chest and abdomen.

Defibrillator maker Cameron Health takes in $14M

Cameron Health, a San Clemente, Calif., medical-device maker, has raised $14.1 million of a planned $50 million fifth funding round, I’ve learned. The company is working on a new type of implantable defibrillator that’s designed to be easier to implant and program than existing models.

InSound Medical takes in $11M for “invisible” hearing aids — albeit ones that have been on the shelf for a while

InSound Medical, a medical-device startup in Newark, Calif., wants to let people with hearing loss regain that sense without having to wear a conspicuous hearing aid. Instead of clipping around the ear or fitting precariously into the opening of the auditory canal, the company’s Lyric hearing aid is implanted deeper into that canal, where it can remain for up to four months.