Apparatus and method for autologous normovolemic hemodilution
AssigneeUniversity Hospitals of Cleveland Case Western Reserve University
InventorJames Trickett
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Abstract
A system and method for autologous normovolemic hemodilution (ANH) are disclosed. The system can include a vacuum canister, which is sized to accept donor bags of a predetermined capacity. The vacuum canister is connected to a vacuum source which applies a suction to the donor bag within the canister. The system can include a canister having a self-generated vacuum, which includes compressible sidewalls that are spring-loaded to provide negative pressure needed to collect blood from a patient without the use of a gravity-induced siphon gradient. Also disclosed are ANH systems and kits that rely on a gravity-induced siphon gradient for blood collection.
Claims23
An autologous normovolemic hemodilution (ANH) blood collection device comprising a canister that defines an internal volume for receiving a blood collection bag, the canister including a blood inlet port and a vacuum inlet port;
- and
- wherein the canister is openable and provides a substantially air-tight seal around the blood collection bag.
An autologous normovolemic hemodilution (ANH) blood collection device comprising:
- a canister having resilient, compressible sidewalls;
- a compression device operative to compress the canister;
- and
- wherein the resilient canister sidewalls are operative to return to an decompressed state following compression, thereby generating a negative pressure within the canister of sufficient magnitude to draw blood from a patient.
A device for collecting blood from a patient through a blood collection line, the device comprising a canister in fluid communication with the patient, the canister being configured to self-generate an internal negative pressure of sufficient magnitude to draw blood from the patient.
Dependencies are inferred from the claim text.