Infusion cartridge and infusion pump
AssigneeTerumo Kabushiki Kaisha
InventorsShun Demizu, Shohei Sasaki
Life of this patent
Estimating the term…
Abstract
An infusion cartridge includes: a case portion having a portion that defines a recess; and a film portion that has flexibility and covers an open side of the recess. The film portion and said portion of the case portion together form an inner wall that defines a storage space configured to store an infusion solution. The infusion cartridge further includes: a filling port located at the inner wall and configured to allow the infusion solution to be filled into the storage space from an outside; and a ventilation port located at the inner wall and configured to allow gas in the storage space to be discharged to the outside.
Claims7
An infusion cartridge comprising:
- a case portion comprising:
- a flat plate-shaped bottom plate portion, and
- a side plate portion rising from an outer edge of the bottom plate portion in a thickness direction of the bottom plate portion, wherein:
- the flat plate-shaped bottom plate portion and the side plate portion together define a recess, and
- the side plate portion comprises:
- a first plate portion,
- a second plate portion that faces the first plate portion,
- a third plate portion that is continuous with a first end of the first plate portion and a first end of the second plate portion, and
- a fourth plate portion that is continuous with a second end of the first plate portion and a second end of the second plate portion that faces the third plate portion;
- and
- a film portion that has flexibility and covers an open side of the recess;
- wherein:
- the flat plate-shaped bottom plate portion, and side plate portion, and the film portion together define a storage space configured to store an infusion solution;
- the infusion cartridge further comprises:
- a cylindrical portion protruding from an inner surface of the third plate portion into the storage space, wherein a filling port is located at a distal end opening of the cylindrical portion, the filling port being configured to allow the infusion solution to be filled into the storage space from an outside;
- and
- a ventilation port located at the first plate portion and configured to allow gas in the storage space to be discharged to the outside.
An infusion pump comprising:
- an infusion cartridge comprising:
- a case portion comprising:
- a flat plate-shaped bottom plate portion, and
- a side plate portion rising from an outer edge of the bottom plate portion in a thickness direction of the bottom plate portion, wherein:
- the flat plate-shaped bottom plate portion and the side plate portion together define a recess, and
- the side plate portion comprises:
- a first plate portion,
- a second plate portion that faces the first plate portion,
- a third plate portion that is continuous with a first end of the first plate portion and a first end of the second plate portion, and
- a fourth plate portion that is continuous with a second end of the first plate portion and a second end of the second plate portion that faces the third plate portion, and
- a film portion that has flexibility and covers an open side of the recess, wherein:
- the flat plate-shaped bottom plate portion, and side plate portion, and the film portion together define a storage space configured to store an infusion solution, and
- the infusion cartridge further comprises:
- a cylindrical portion protruding from an inner surface of the third plate portion into the storage space, wherein a filling port is located at a distal end opening of the cylindrical portion, the filling port being configured to allow the infusion solution to be filled into the storage space from an outside, and
- a ventilation port located at the first plate portion and configured to allow gas in the storage space to be discharged to the outside;
- and
- a pump body to which the infusion cartridge is attachable.
Dependencies are inferred from the claim text.