Pittman J, Fehrenbacher J, Pittman S, Beckman D
Methodist Hospital of Indiana, Inc, Indianapolis.
Ann Thorac Surg. 1989 Dec;48(6):869-70. doi: 10.1016/0003-4975(89)90692-9.
A new sternal retractor system was developed to improve exposure of the internal mammary artery and protect the lung. This retractor can be used for either single or bilateral dissection of the internal mammary artery. It has been used in more than 2,000 cases with excellent results.
一种新型胸骨牵开器系统被研发出来，以改善胸廓内动脉的暴露并保护肺部。这种牵开器可用于胸廓内动脉的单侧或双侧解剖。它已应用于2000多例手术，效果极佳。
