Abstract: The invention relates to an apparatus for treating a medical liquid which includes a treatment machine having a coupling surface and a flexible mat arranged on the coupling surface, with a cassette made of a hard part having liquid-conducting passages which are covered by a flexible film being able to be coupled to the coupling surface of the treatment machine via the flexible mat. In accordance with the invention, the apparatus for making possible the monitoring of a fault-free coupling to the cassette at the coupling surface is made such that a pressure difference of the pressure can be determined between the cassette and the flexible mat and of the pressure between the mat and coupling surface. The invention furthermore relates to a method for the checking of the leak tightness of the aforesaid apparatus.

Abstract: An electric hair cutting machine is disclosed. In order to achieve optimized handling and a smooth-running mechanical system, which enables a minimized drive, it is proposed that the cutting plane form an angle of from 10 to 70 degrees, or preferably of from 20 to 30 degrees, with the longitudinal axis of the gripping piece, and that the sliding block be designed in the form of a cylinder that extends in the direction indicated or in the form of a ball.

Abstract: With a device (1) to treat hair using ultrasound having two clamps (2, 3), which are connected to one another via a joint (4) and which swivel, an oscillating body (5) is arranged on an interior side (6) of a clamp (3). The oscillating body (5) is positioned such that a strand of hair (7), which is clamped between the clamps (2, 3) when the clamps are closed, comes into contact with the oscillating body (5) or is touching it. An ultrasound generator (8) and a resonator (9) are connected to one another and generate an ultrasound frequency for the oscillating body (5). So that not only the ultrasound vibration is transmitted to the strand of hair (7) and that a product (27) is better distributed in the hair, but that also a quicker reaction of the product occurs on the hair, it is suggested to additionally design the oscillating body (5) as a heat generator.

Abstract: The invention relates to an apparatus for the treatment of a medical liquid comprising a liquid treatment machine and a cassette insertable therein substantially made of a rigid base body of the cassette with fitted chambers and passages and a foil covering them.

Abstract: This invention relates to the field of signal transit time sensors, in particular sensors based on ultrasonic transit times. Existing electronic control circuits for such transit time sensors for measurements on medical liquids, in particular blood, are extremely complex or their time resolution is limited. However, the present invention makes use of a simple measurement technique which cannot be used directly at first for the time resolution to be achieved. In this method, an ordinary sampling method is used to detect the received signal (12). An oscillator-like received signal (12) generated by an emitted step-like signal is first sampled during a half-period (14, 15) and is checked with the help of a selection criterion.

Abstract: An apparatus for the treatment of a medical liquid has a liquid treatment machine and a cassette that is insertable in the machine. The cassette has a rigid base body with fitted chambers and passages and a foil that covers the chambers and passages. Actuators and sensors are arranged in the liquid treatment machine for the operation of the apparatus with the inserted cassette such that cassettes are insertable in different integration shapes.

Abstract: The air nozzle attachment (8) for the hair dryer (2) is connectable to the blower opening (7) of the hair dryer and produces a hot-air stream (9) and a cold-air stream (10) that are arranged side-by-side. The air nozzle attachment (8) has a hot-air nozzle (13) and a cold-air nozzle (14) located side-by-side and, on an end connectable to the blower opening (7), has a central conduit entrance (11) and a coaxial conduit entrance (12), which open into the hot-air nozzle (13) and the cold-air nozzle (14) respectively. The air nozzle attachment (8) can be detached again from the dryer (2) and preferably has a snap-on coupling device (18) for connecting the air nozzle attachment to the dryer (2), which permits rotation of the air nozzle attachment.

Abstract: This invention relates to the field of signal transit time sensors, in particular sensors based on ultrasonic transit times. Existing electronic control circuits for such transit time sensors for measurements on medical liquids, in particular blood, are extremely complex or their time resolution is limited. However, the present invention makes use of a simple measurement technique which cannot be used directly at first for the time resolution to be achieved. In this method, an ordinary sampling method is used to detect the received signal (12). An oscillator-like received signal (12) generated by an emitted step-like signal is first sampled during a half-period (14, 15) and is checked with the help of a selection criterion.

Abstract: The invention relates to an apparatus for the treatment of a medical liquid comprising a liquid treatment machine and a cassette insertable therein substantially made of a rigid base body of the cassette with fitted chambers and passages and a foil covering them. In accordance with the invention, actuators and sensors are arranged in the liquid treatment machine for the operation of the apparatus with the inserted cassette such that cassettes are insertable in different integration shapes.

Abstract: A device (1) for a hair dryer (2), having a fan (3) and a heater (4) for generating a central hot-air stream (5) and a concentric cold-air stream (6) at a blower opening (7). As the device (1), an air nozzle attachment (8) embodied as connectable to the blower opening (7) is provided of a kind such that the air nozzle attachment (8), from the central hot-air stream (5) and the concentric cold-air stream (6) of the hair dryer (2), generates a hot-air stream (9) and a cold-air stream (10) that are located side by side (FIG. 1).

Abstract: A split end cutting device (20.2) is embodied as an attachment (15.2), which can be detachably connected to a hair cutting machine (21), where the attachment (15.2) has first and second deflecting sections (41, 42), which are disposed parallel to and spaced apart from each other by a distance (X). By means of a hinge (14.2), a third deflecting section (43) can be moved from a first position (A) passing between the first and second deflecting sections (41, 42) into a second position (B) parallel to the first and second deflecting sections (41, 42), in such a way that a lock of hair (28) placed underneath the first and second deflecting sections (41, 42) is engaged from underneath by the third deflecting section (43) and essentially constitutes an upside down U-shape.

Abstract: A medical appliance having an auxiliary computer system in addition to its action computer system, and further having two communications buses. The auxiliary computer system independently monitors the functional mode of the action computer system and can induce a reliable state of the appliance in an emergency. To easily, quickly and reliably implement a programming, the execution of test sequences, the diagnosis and the maintenance of such an appliance, a connection line, which can be interrupted by a switch, is arrange between the communication buses, and both communications buses can be connected to form a unified communications bus via the communication line. A method for executing such a programming process, testing process, diagnostic process and/or maintenance process of a medical appliance is also provided.

Abstract: A blood treatment device, in particular a dialysis machine, which permits both single-needle and dual-needle operation. The device has a blood treatment unit, in particular a dialyzer that has an inlet connected to a feed line and an outlet connected to a return line. The feed line has two parallel line branches with a positive displacement pump being connected into the first and second line branches. To produce a fluid connection between the outlet of the dialyzer and one of the two pumps, a connection line is provided. For dual-needle operation, the feed and return lines are connected to an arterial and a venous needle. For single-needle operation, the feed and return lines are brought together and connected to a common needle. The connection line permits single-needle operation without great changes to the structure of the blood treatment device.

Abstract: A split end cutting device (20.2) is embodied as an attachment (15.2), which can be detachably connected to a hair cutting machine (21), where the attachment (15.2) has first and second deflecting sections (41, 42), which are disposed parallel to and spaced apart from each other by a distance (X). By means of a hinge (14.2), a third deflecting section (43) can be moved from a first position (A) passing between the first and second deflecting sections (41, 42) into a second position (B) parallel to the first and second deflecting sections (41, 42), in such a way that a lock of hair (28) placed underneath the first and second deflecting sections (41, 42) is engaged from underneath by the third deflecting section (43) and essentially constitutes an upside down U-shape.

Abstract: The invention relates to the field of programming, of the execution of test sequences, of diagnosis and of the maintenance of medical appliances which, due to their computer architecture, comprise two communications buses. One such computer architecture is generally provided when a medical appliance, due to safety requirements, comprises an auxiliary computer system in addition to its action computer system. Said auxiliary computer system independently monitors the functional mode of the action computer system and can induce a reliable state of the appliance in an emergency. The aim of the invention is to be able to easily, quickly and reliably implement a programming, the execution of test sequences, the diagnosis and the maintenance of such an appliance. To these ends, the invention provides that a connection line, which can be interrupted by a switch, is arranged between the communications buses, and both communications buses can be connected to form a unified communications bus via said connection line.

Abstract: A method for changing hair lock color includes first placing a protective foil (7) on a flat hair lock support (4) and a hair lock (2) on the protective foil (7). Then a treatment composition (3) is applied to the hair lock (2) on the protective foil (7). After that a free portion of the protective foil (7) is folded and laid on the hair lock (2). Then a hot plate (6) is placed on and heats the hair lock (2). After that the treatment composition (3) is washed off the hair lock and neutralized. An apparatus for performing this method has a separate flat hair lock support (4) and a separate heating unit (5). The heating unit (5) has a hot plate (6) for heating the hair lock (2) placed on the protective foil (7). A timer device (17) for setting the heating time may be included in the apparatus.

Abstract: A blood treatment device, in particular a dialysis machine, which permits both single-needle and dual-needle operation. The device has a blood treatment unit, in particular a dialyzer that has an inlet connected to a feed line and an outlet connected to a return line. The feed line has two parallel line branches with a positive displacement pump being connected into the first and second line branches. To produce a fluid connection between the outlet of the dialyzer and one of the two pumps, a connection line is provided. For dual-needle operation, the feed and return lines are connected to an arterial and a venous needle. For single-needle operation, the feed and return lines are brought together and connected to a common needle. The connection line permits single-needle operation without great changes to the structure of the blood treatment device.

Abstract: A test strip evaluating instrument is used for testing of multiple test strips, and has a transport and positioning device which transports the test strips at right angles to their longitudinal direction from a test strip feed area along a transport path to a disposal area. At least one measuring station with an optical measuring unit is arranged on the transport path. Rails, on which the test strips slide, run along the transport path. The test strips are transported in a step-wise manner by at least two rows of cam elements following one another in the transport direction, and these two rows of cam elements move synchronously with one another in a periodically recurring movement path.