Peristaltic pump having automatically adjusting bushing
AssigneeTerumo Cardiovascular Systems Corporation
InventorMichael K. Domroese
Life of this patent
Estimating the term…
Abstract
A roller pump including a stator, a rotor assembly including a rotor hub, a first roller slide and a second roller slide slidingly disposed within the rotor hub, with each of the roller slides supporting a roller. At least one adjustable bushing is mounted within at least one of the roller slides. The roller slide includes a recess and the at least one adjustable bushing is at least partially disposed within the recess. The at least one adjustable bushing includes a bushing member and a spring member, the bushing member and the spring member being disposed within the recess in the roller slide.
Claims15
A roller pump comprising:
- a stator;
- a rotor assembly including a rotor hub, a first roller slide and a second roller slide slidingly disposed within said rotor hub, each of said roller slides supporting a roller;
- and
- at least one adjustable bushing mounted between said rotor hub and at least one of said roller slides.
A rotor assembly for a peristaltic pump comprising:
- a rotor hub;
- at least one roller slide slidingly disposed within said rotor hub;
- a roller supported by said at least one roller slide;
- at least one adjustable bushing mounted within said at least one roller slide.
An adjustable bushing for use in a rotor assembly including a roller slide and a hub, said adjustable bushing comprising:
- a bushing member;
- and
- a spring for biasing said bushing member between the roller slide and the hub, thereby compensating for any gap between the roller slide and the hub.
Dependencies are inferred from the claim text.