A New Device For Better Access To An Operative Field In The Setting Of Minimally Invasive Mitral Valve Surgery
Yasushi Yoshikawa, Koichi Toda, Shigeru Miyagawa, Hiroki Hata, Daisuke Yoshioka, Hisashi Kainuma, Takuji Kawamura, Ai Kawamura, Shohei Yoshida, Yoshiki Sawa.
Osaka University Graduate School of Medicine, Suita, Japan.
Objective: Minimally invasive approaches to mitral valve surgery have prevailed recently, but have potential pitfalls because of the limited operative field. Clinical outcomes should not be compromised at the cost of a smaller incision. To ensure the patient's safety, access to a good operative field is mandatory, but unexpectedly poor operative fields are sometimes encountered. We developed a new device, so called ‘Loop Retractor', for better access to an operative field in the setting of minimally invasive mitral valve surgery. Methods and Results: Loop Retractor we developed makes the limited operative field in itself larger, by letting a stainless steel wire in the shape of loop enlarged, when mitral annuloplasty is performed. After placing the strings for annuloplasty, Loop Retractor is reset inside the strings and makes the operative filed larger, by letting a loop enlarged. Then, valve plasty such as resection and suture and neochord reconstruction makes easier. Conclusion: A new device, namely ‘Loop Retractor' makes the limited operative field larger, and makes manipulation of mitral surgery easier. Loop Retractor could help surgeons when they perform minimally invasive mitral surgery.
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