Abstract: A multiple reservoir or chambered implantable pumps is disclosed. The pump according to the present invention is particularly useful in allowing for multiple constant flow rates to be provided from an otherwise constant flow implantable pump. The pump is also useful in allowing for housing of multiple active substances. A multiple reservoir implantable pump is also disclosed, which has at least one chamber capable of providing a constant flow rate and at least one chamber capable of being utilized for patient controlled injections.

Abstract: A variable hydraulic resistor for use with implantable pumps is disclosed. The variable hydraulic resistor according to the present invention is particularly useful in varying the flow rate of a medication fluid from an otherwise constant flow implantable pump. An implantable pump is also disclosed, which does not require a complicated clinching system or the like, and which may include an undulating membrane and chamber design to reduce the height of the pump.

Abstract: A variable hydraulic resistor for use with implantable pumps is disclosed. The variable hydraulic resistor according to the present invention is particularly useful in varying the flow rate of a medication fluid from an otherwise constant flow implantable pump. An implantable pump is also disclosed, which does not require a complicated clinching system or the like, and which may include an undulating membrane and chamber design to reduce the height of the pump.

Abstract: A cleaning device for cleaning windshields, headlights and such of vehicles has at least one storage container for a cleaning liquid, at least one supply line, and at least one spray nozzle connected to the at least one supply line. At least one pump is arranged in the supply line and configured to convey the cleaning liquid within the supply line to the spray nozzle. At least one high-pressure pressurizer is connected to the supply line and configured to pressurize the cleaning liquid which is stored in a pressurized tank.

Abstract: An implantable device for administering a treatment solution has a first chamber for accommodating the active solution to be administered and a second chamber for accommodating a treatment solution bolus, each chamber having a port sealed with a septum. An infusion line leading to the infusion site is connected to the outlet of the first chamber. An inlet line branches off from the infusion line and is connected to the second chamber to accommodate the active solution bolus, and includes a flow device which releases the flow path to the infusion site only when the active solution bolus is supplied at a pressure above a predetermined minimum pressure. The occurrence of life-threatening situations due to sudden administration of a large quantity of active solution is prevented if the active solution is always supplied only at a pressure below the minimum pressure at which the flow path is released.

Abstract: A device for measuring parameters of medical fluids having a measurement chamber through which the fluid to be measured passes. The chamber is sealed on one side by a flexible membrane, and it also has a measurement plate that has a peripheral seal on its outer edge and is in contact with the flexible membrane. At least one sensor for measuring a parameter of the medical fluid is mounted on the measurement plate, and the measurement plate has a continuous inlet leading to the flexible membrane so that a vacuum can be established between the measurement plate and the flexible membrane.

Abstract: A cleaning device for cleaning windshields, headlights and such of vehicles has at least one storage container for a cleaning liquid, at least one supply line, and at least one spray nozzle connected to the at least one supply line. At least one pump is arranged in the supply line and configured to convey the cleaning liquid within the supply line to the spray nozzle. At least one high-pressure pressurizer is connected to the supply line and configured to pressurize the cleaning liquid which is stored in a pressurized tank.

Abstract: The invention relates to a solution for storing organs, preferably kidneys. To effectively prevent organ damage, the solution has a high sulfate content and a low chloride content. In particular, the solution comprises about Na.sup.+ (2-30 mM), K.sup.+ (70-130 mM), MgH(30-40 mM), Ce.sup.- (2-20 mM), SO.sub.4.sup.2- (80-95 mM) and raffinose (20-60 mM) at aph of about 7.4.

Abstract: In a device for providing a substituate to a device for removing toxic substances from the blood which employs volumetric balancing of the fluid, an equalization chamber (11, 20) communicates with first and second inlet lines (9, 18) respectively, of a balancing chamber (14). Moreover, a buffer chamber (23) communicates with the first and/or second outlet line (15, 22) of the balancing chamber (14). The volume prevailing in the buffer chamber (23) that communicates with the first or second outlet line (15 or 22) can be so varied that the volume expands when the second or first equalization chamber (20 or 11) is emptied, and is reduced when the second or first equalization chamber is filled. As a result, the discontinuous pulse is smoothed on the outlet side of the balancing chamber.

Abstract: A disposable balancing unit designed as a sheet bag includes two sheets (1, 2), which are heat-sealed together, forming a balancing chamber (4) that is divided by a flexible wall (8) into the two chamber halves (9, 10), and forming two equalization chambers (5, 6), as well as the channels (15 through 18) connecting the individual chambers. The flexible wall (8), which separates the first chamber half (9) of the balancing chamber (4) from the second chamber half (10), is formed by an intermediate sheet, which is inserted between the first and second sheet (1, 2) in the area of the balancing volume and is heat-sealed in a pressure-tight manner to the outer sheets, forming the first and second chamber half (9, 10). The fixed volume of the balancing chamber halves (9, 10) is specified by a corresponding system insert unit, into which the disposable unit is fittingly inserted.

Abstract: The invention concerns an implantable infusion pump for dosed emission of medicines into the human body comprising a pump chamber formed by an upper chamber portion (3) and a lower chamber portion (2), whereby said pump chamber is divided by a flexible membrane (6) into a pressure chamber (8) and a medicine reservoir (7). Refill apertures (12, 14) covered by septa (13, 15) are further provided. The septa (13, 15) are hermetically clamped by holders (4, 5). According to the invention, catch connections are used as main connections (31, 32, 33) and as ancillary connections (34, 35) for the connection of the pump components (2, 3, 4, 5), whereby the main connections (31, 32, 33) substantially support the interior pressure strain generated under normal operating load and the locked ancillary connections (34, 35) are hereby not or only nimimally brought into operation due to respective arrangement and dimensioning of the catch members.

Abstract: The invention refers to an implantable infusion pump for the dosed administration of medication into the human body comprising a pump chamber which is formed by a lower chamber part and an upper chamber part connected thereto, whereby the pumping chamber is divided into two subchambers by a gas impermeable flexible partition and provided as a reservoir for medicinal solutions, the upper chamber part has a refilling opening which is sealed by at least a pierceable septum and the reservoir for medicinal solutions is connected to an outlet catheter via an outlet opening and possibly an outlet reduction arrangement, and the second subchamber is delimited by the lower chamber part and the flexible partition to serve as a pressure chamber to accommodate a propellant, whereby the gas impermeable partition is a convex metal foil following the contour of the inner form of the upper part of the chamber. This metal foil may be covered on one or both sides with a polymer support film.

Abstract: The invention concerns an implantable infusion pump for the dosed administration of medication into the human body, comprising a pump chamber which is formed by a lower chamber part and an upper chamber part connected thereto, whereby the pumping chamber is divided into two subchambers by a gas impermeable flexible partition, the first subchamber is delimited by the upper chamber part and the flexible partition and is designed as a reservoir for medicinal solutions, the upper chamber part has a refilling opening which is sealed by at least one piercable septum and the reservoir for medicinal solutions is connected via an outlet opening and possibly an outlet reduction arrangement with an outlet catheter, and the second subchamber is delimited by the lower chamber part and the flexible partition and is designed as a pressure chamber to accommodate the hexafluorobutane used as a propellant, in particular 1,1,1,4,4,4-hexafluorobutane.

Abstract: A gas exchange device (100) with an extracorporeal blood circuit (102) in which a blood pump (110) is connected, with a CO.sub.2 exchange unit (112), and an oxygenator (128), whereby the gas exchange unit (112, 128) is in each case divided by a hydrophilic, water-wet membrane (114, 130) into a blood chamber (116, 132) and a gassing chamber (118, 134) which is under positive transmembrane pressure.

Abstract: Implantable infusion apparatus comprising a chamber sealed by a septum and having an outlet aperture leading therefrom, to which a catheter tube is connected. A wire anchored in the chamber base projects into the catheter lumen, forming a ring slot whose diameter is smaller than the average size of a punched out particle. The wire thus serves as a particle retention means.

Abstract: Septum for implantable devices for dispensing active substances, for example medicaments, to the body of the patient. The septum is inserted as a cover of a medicament chamber into the associated opening by means of one or more clamping members, the septum (22; 36; 10) being formed annularly with part (32) of the apparatus wall disposed within the septum and connected fixedly to the remaining housing (31).