Mallinckrodt, Inc. (now Nellcor Puritan Bennett LLC) St. Charles, MO Renaissance II® Spirometry SystemsPuritan Bennett and Inov8 freed spirometry from the clinic with the original, miniaturizedRenaissance Handheld System.Ergonomics and European device standards drove development of the Renaissance II. Mallinckrodt enlisted Inov8 to evolve the original product’s distinctive appearance and ergonomics while accommodating substantially more technology. Mallinckrodt sought: “a visually evident and logical choice for the successful pulmonologist”.