Pump-Inflow-Cannula, A Pump-Outflow-Cannula And A Blood Managing System
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Accused Products
Abstract
The invention relates to a pump-inflow-cannula (1) providing a blood conduit from a heart (2) and/or from an associated vessel to an external blood handling system. The pump-inflow-cannula comprises a body (3), encompassing an essentially axially extending inflow-lumen (4), having a distal-end (5) for an attachment of the inflow-lumen (4) to the blood handling system, and having a proximal-end (6) for an introduction of blood from the heart (2) and/or from the associated vessel into the inflow-lumen (4), wherein at least one projection (7) is provided at the proximal-end (6) to deflect a heart muscle from intruding into the inflow-lumen (4), wherein the body (3) of the pump-inflow-cannula comprises a reinforcement-means (8). The invention is also related to a pump-outflow-cannula (19) and to a blood managing system comprising a pump-inflow-cannula and a pump-outflow-cannula in accordance with the present invention.
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Citations
27 Claims
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1. (canceled)
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2. A cannula, comprising:
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a hollow housing defining a lumen therein and comprising a first end configured to fluidly connect the lumen to a blood handling system, and a second end configured to fluidly connect the lumen to a circulatory system of a human or animal; and a fastener near the second end of the housing, the fastener comprising screw threads on an outside surface of the housing, the screw threads being configured to be threaded into tissue. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A blood management system, comprising:
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a blood handling system; an inflow cannula configured to provide fluid communication between a circulatory system of a human or animal and an input of the blood handling system; and an outflow cannula, comprising; a hollow housing defining a lumen therein and comprising a first end configured to fluidly connect the lumen to the blood handling system, and a second end configured to fluidly connect the lumen to the circulatory system; and a fastener near the second end of the housing, the fastener comprising screw threads on an outside surface of the housing, the screw threads being configured to be threaded into tissue. - View Dependent Claims (17, 18)
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19. A method of connecting a cannula to first tissue, comprising,
providing the cannula, the cannula comprising: -
a hollow housing defining a lumen therein and comprising a first end configured to fluidly connect the lumen to a blood handling system, and a second end configured to fluidly connect the lumen to a circulatory system of a human or animal; and a fastener near the second end of the housing, the fastener comprising screw threads on an outside surface of the housing; and threading the screw threads into the first tissue to connect the cannula to the first tissue. - View Dependent Claims (20, 21, 22, 23)
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24. A method of connecting a blood management system to a circulatory system of a human or animal, comprising:
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providing the blood management system, the blood management system comprising; a blood handling system; an inflow cannula configured to provide fluid communication between the circulatory system and an input of the blood handling system; and an outflow cannula, comprising; a hollow housing defining a lumen therein and comprising a first end configured to fluidly connect the lumen to the blood handling system, and a second end configured to fluidly connect the lumen to the circulatory system; and a fastener near the second end of the housing, the fastener comprising screw threads on an outside surface of the housing; threading the screw threads into tissue to connect the cannula to the tissue; and fluidly connecting the cannulae to the circulatory system. - View Dependent Claims (25)
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26. A method of manufacture of a cannula, comprising:
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providing a hollow housing defining a lumen therein and comprising a first end configured to fluidly connect the lumen to a blood management system, and a second end configured to fluidly connect the lumen to a circulatory system of a human or animal; and embedding a helical member defining a thread pitch in an outside surface of the housing to thereby create screw threads on the outside surface of the housing, the screw threads being configured to be threaded into tissue. - View Dependent Claims (27)
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Specification