摘要:
A proposed blood treatment apparatus includes: a blood treatment unit, at least one fluid pump and at least one blood pump. The blood treatment unit is configured to receive untreated blood and fresh blood treatment fluid, and emit treated blood and used blood treatment fluid. The fluid pumps are configured to pass blood treatment fluid through the blood treatment unit. The blood pumps are configured to extract untreated blood from a blood source, pass extracted blood through the blood treatment unit and deliver treated blood to a target vessel. Additionally, at least one of the fluid pumps is configured to control the operation of at least one blood pump via the blood treatment fluid. Moreover, at least one of the blood pumps is integrated into a joint apparatus element, which includes the blood treatment unit. Thus, this blood pump and the unit may be mounted as well as be discarded jointly.
摘要:
Concentrates are disclosed for use in the preparation of infusion solutions preferably for use in dialysis including gluconic acid and glucose in amounts such that upon dilution with an aqueous solution in a ratio of at least about 1:150, the concentration of the gluconic acid is at least about 600 mmol/l and the concentration of the glucose is at least about 150 g/l.
摘要:
Methods for the central preparation and distribution of a concentrate to a plurality of medical treatment devices are disclosed comprising supplying a stream of substantially only water to a central container which includes a single salt composition at least partially in solid form, producing a substantially saturated solution of the salt composition in the central container, and distributing the salt solution to a distribution conduit which includes a plurality of concentrate connectors whereby the salt solution can be distributed to the plurality of medical treatment devices. Methods for disinfecting this apparatus, the apparatus itself, and containers for use in the apparatus are also disclosed.
摘要:
A pressure sensing device adapted for having a liquid flowing there through and for sensing the pressure of said liquid. The device has a casing being fluid-tightly divided into a first and a second chamber by a flexible, impermeable wall. The first chamber has a first opening for the liquid, said opening being placed at the lower part of the chamber, and a second opening for the liquid, said opening being placed at the top of the first chamber. The second chamber has a measuring port, which is connectable to a pressure transducer for bringing the second chamber into gas-tight communication with the pressure transducer. The device has a first orifice to permit the liquid to flow into and out of the device, the orifice being placed at the upper part of the device at a higher level than the second opening. A first channel is connecting the first orifice with the first opening. A second orifice permits the liquid to flow out of and into the device and is placed at the lower part of the device at a lower level than the first opening. A second channel connects the second opening with the second orifice.
摘要:
A method for exchanging heat between an effluent fluid and a blood fluid and a heat exchanger for heat exchange. The heat exchanger comprises a first and a second fluid circuit extending through the heat exchanger. The heat exchanger further comprises a stack of fluid plates and a membrane arranged between each of the fluid plates where one interspace is formed between each fluid plate and membrane. The first and the second fluid circuit is each constituted by a passage extending through the fluid plates and membranes and along the fluid plates and membranes in at least two interspaces According to the method for heat exchanging an effluent fluid is passed through the first fluid circuit and a blood fluid is passed through the second fluid circuit such that the effluent fluid is passed along one side of a membrane and simultaneously the blood fluid is passed along the other side of the membrane. Heat is thus exchanged between the effluent fluid and the blood fluid over the membrane.
摘要:
A method for exchanging heat between an effluent fluid and a treatment fluid and a heat exchanger for heat exchange as well as an arrangement and a kit comprising a heat exchanger. The heat exchanger comprises a first and a second fluid circuit extending through the heat exchanger. The heat exchanger further comprises a stack of fluid plates and a membrane arranged between each of the fluid plates where one interspace is formed between each fluid plate and membrane. The first and the second fluid circuit is each constituted by a passage extending through the fluid plates and membranes and along the fluid plates and membranes in at least two interspaces. According to the method for heat exchanging an effluent fluid is passed through the first fluid circuit and a treatment fluid is passed through the second fluid circuit such that the effluent fluid is passed along one side of a membrane and simultaneously the treatment fluid is passed along the other side of the membrane. Heat is thus exchanged between the effluent fluid and the treatment fluid over the membrane.
摘要:
The invention refers to a medical system comprising a first subsystem with a first connection portion (7), and a second subsystem with a second connection portion (12). The invention also refers to a device and a method for connecting the subsystems to each other. One of the subsystems contains a fluid. The connecting device is adapted to connect the subsystems to each other to permit transport of the fluid from one of the subsystems to the other subsystem. The device comprises a container (21) enclosing an inner space. A substantially sterile atmosphere is provided in the inner space. The container receives the first connection portion and the second connection portion in the inner space. A mechanism is provided for connecting, from outside the container, the first connection portion and the second connection portion to each other in the inner space.
摘要:
Geological probing device comprising a hollow probing rod to be extended into the geological matter to be probed, and a measuring probe fitted to the probing rod, said measuring probe comprising sensors for obtaining information about the matter. The measuring probe further comprises a microwave transmitter, arranged to transmit microwaves carrying data from said sensors, said hollow probing rod being adapted to act as a waveguide, guiding the microwaves to an upper orifice of said hollow probing rod. Compared to previously known techniques, the device according to the invention offers a reliable transmission of data under normal working conditions, and without substantive modifications of the probing rod or other equipment.
摘要:
A blood treatment apparatus, including a blood treatment unit configured to receive untreated blood and fresh blood treatment fluid, and emit treated blood and used blood treatment fluid, a pair of fluid pumps configured to pass blood treatment fluid through the blood treatment unit, a pair of blood pumps configured to extract untreated blood from a blood source, pass extracted blood through the blood treatment unit and deliver treated blood to a target vessel, each blood pump including a pump chamber and a flexible member separating the pumping chamber into a first blood accumulating container and a second working fluid accumulating container where the flexible member is configured to vary a volume relationship between the first and the second accumulation containers. A control unit and a measuring device are configured to emit a feedback signal indicative of the amount of working fluid received into, or discharged from at least one of the second accumulation containers whereby the pumped mass or volume of working fluid is determined by the control unit at an arbitrary position of the flexible member.
摘要:
A blood treatment apparatus includes: a blood treatment unit, a pair of fluid pumps and a pair of blood pumps. The blood treatment unit is configured to receive untreated blood and fresh blood treatment fluid, and emit treated blood and used blood treatment fluid. The fluid pumps are configured to pass blood treatment fluid through the blood treatment unit. The blood pumps are configured to extract untreated blood from a blood source, pass extracted blood through the blood treatment unit and deliver treated blood to a target vessel. Flow measurement device which determines at least one blood flow parameter reflecting an average flow in relation to the blood treatment unit during a well-defined period of operation of the apparatus, for example while completing one operation cycle. The at least one blood flow parameter is determined based on a difference between (i) a first amount of fresh blood treatment fluid received into the blood treatment unit, and (ii) a second amount of used blood treatment fluid emitted from the blood treatment unit during another well-defined period.