HK Surgical is the recognized leader in the development of highly specialized products in the cosmetic procedure industry. We are the original designers of the Klein Pump and carry a full line of disposable tubing, garments & Super Absorbent Pads. HK Surgical is proudly the exclusive source of the patented Capistrano Cannulas, Midine Positioning Pillow, and the HK Super Absorbent Pads. HK Surgical – Complete Tumescent Solution.