US Patent 12059172 Inner tubular member for angled rotary surgical instrument

An inner member rotatable in an angled outer tubular member of a rotary surgical cutting instrument includes first and second tubular members. The first tubular member includes a rigid proximal portion, a rigid distal portion, and a flexible intermediate portion. The proximal and distal portions are comprised of a first material and the intermediate portion is comprised of a second material. The second tubular member is coaxially disposed around the first tubular member along the intermediate portion. The second tubular member includes a proximal section, a distal section, and a central section. The central section is flexible and the proximal and distal sections are rigid. The second tubular member is comprised of a single material. The proximal section is fixedly coupled to the proximal portion and the distal section is fixedly coupled to the distal portion.