Umbilicus gimbal with bearing retainer

Details Umbilicus gimbal with bearing retainer Umbilicus gimbal with bearing retainer

B - Operations, Transporting

04

B

B04B 11/00 (2006.01) B04B 5/04 (2006.01)

Patent

CA 2257644

A blood processing centrifuge includes a disposable fluid processing assembly having a fluid processing chamber (16). Fluid is communicated to and from the fluid processing chamber (16) through a flexible umbilicus (24). The fluid processing chamber (16) spins while the centrifuge pulls the umbilicus (24) around an axis of centrifugation. The centrifuge engages the umbilicus (24) through a thrust bearing received in a gimbal assembly (78) carried on a rotating wing plate (72). The gimbal assembly (78) allows the umbilicus (24) to pivot relative to the wing plate (72) under the forces developed during centrifugation. The gimbal assembly (78) includes a bearing retainer adapted to securely retain umbilicus thrust bearings of differing sizes and a gimbal retains the bearing retainer loosely but securely.

L'invention concerne une centrifugeuse de traitement du sang comprenant un dispositif jetable de traitement de liquide qui comporte une chambre de traitement de liquide (16). Le liquide est acheminé vers et à partir de la chambre de traitement de liquide (16) au moyen d'un tuyau flexible (24). Ladite chambre (16) tourne tandis que la centrifugeuse entraîne le tuyau (24) autour d'un axe de centrifugation. La centrifugeuse s'accouple avec le tuyau (24) par l'intermédiaire d'un roulement de butée logé dans un ensemble support cardan (78) se trouvant sur une plaque tournante à ailettes (72). L'ensemble support cardan (78) permet au tuyau (24) de pivoter par rapport à ladite plaque (72) sous l'effet des forces exercées au cours de la centrifugation. L'ensemble support cardan (78) comprend un élément de retenue de roulement adapté pour retenir fermement des roulements de butée de tuyau de différentes dimensions et un support cardan retient l'élément de retenue de roulement de manière lâche mais sûre.

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