A stomach clamp, having partially occluding arms that extend across a stomach, is operationally clamped in place by bolting together opposed arm ends that extend beyond the stomach periphery. The clamp divides the stomach and reduces space for food input while permitting drainage between the divided...http://www.google.ca/patents/US4458681?utm_source=gb-gplus-sharePatent US4458681 - Stomach clamp for and method of proximal gastric partitioning
