Historic medical models and devices: Check out Radio Guy Steve Erenberg’s collection of unusual medical curios, like this mechanical aluminum prosthetic. The collection ranges from orthodontic models resembling Robocop to an antique rubber “death mask” to, well, we couldn’t quite figure out just what that was.

Anastomosis system uses biodegradable nitinol rings: NiTi Surgical Solutions, a U.S./Israeli startup, introduced its BowelRing anastomosis device, which uses biodegradable nitinol rings to re-connect bowel sections after procedures such as colon cancer surgery.

Ingestible robot prowls the GI: An Italian team is developing a wireless, video-capable eight-legged “spider pill” to prowl the gastrointestinal tract as a diagnostic tool.

A cochlear hearing aid without the implant: Sonitus Medical’s SoundBite hearing aid uses the teeth to conduct sound instead of the cranium, as with implanted cochlear.

A weekly roundup of new developments in medical technology, by MedGadget.com.