Biomedical Structures LLC raised $3.75 million in an equity offering led by Ampersand Ventures, according to a securities filing and a press release.
The Warwick, R.I.-based company, which makes customized biomaterials and textiles for medical devices, "specializes in the design and manufacturing of crafted, non-woven fibers and biomaterials such as tissue scaffolds and woven vascular grafts," according to the press release.