TY - JOUR
AU - Abrams, L. D.
AB - 15 Section ofSurgery 219 oxygen tension. If,-on the unstable other hand, the flail segments were to begin to collapse the by L D Abrams MB FRCS underlying lung segment during inspiration then, as soon as the alveolar air to (Queen Elizabeth Hospital, Birmingham) spaces are reduced the diameters of their alveolar ducts, these alveoli become unstable and collapse totally. If This preliminary communication presents the I have developed with this second theory is correct, then the primary mitral valve prosthesis Lucas Ltd during the last three years. physiological derangement in a flail chest would Joseph of it consists of an be that initially of inspiratory atelectasis and Made entirely polypropylene, outer ring with an orifice 24 mm in diameter and these unventilated alveoli which are still being with blood will a admixture an outside diameter of 32 mm. Incorporated in perfused give venous or shunt effect, because some of the output of the the outer edge of the ring is a specially made felt right heart will be shunted past such collapsed sewing ring with two layers of cloth incorporated towards the alveoli and not be available to pick up any so that it cannot tear. Projecting of are 
TI - A Mitral Valve Prosthesis
JF - Proceedings of the Royal Society of Medicine
DO - 10.1177/003591576806100309
DA - 1968-03-01
UR - https://www.deepdyve.com/lp/sage/a-mitral-valve-prosthesis-st8a65TO1p
SP - 219
EP - 219
VL - 61
IS - 3
DP - DeepDyve
ER -