Abstract: A dialysis fluid cassette that includes a base and a flexible membrane attached to the base. The flexible membrane and the base cooperate to at least partially define a venting chamber and a fluid channel fluidly connected to the venting chamber.

Abstract: The present invention relates to a disposable bag which comprises a multilayer film for accommodating a fluid, and a device which comprises a support holder for the disposable bag according to the invention in which the disposable bag is arranged. The present invention also relates to a process for the production of the disposable bag.

Abstract: The present invention relates to a clot trap that comprises a disc-shaped screen surface for collecting clots in a fluid flowing through the screen surface. It further relates to an external blood cassette and a blood circuit, as well as a treatment apparatus.

Abstract: The present invention relates to an apparatus for treating a medical liquid which includes a treatment machine having a 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. The invention furthermore relates to a corresponding medical cassette. In accordance with the invention, an air-free coupling of the flexible film of the cassette to the treatment machine is ensured in that air can be sucked out areally along a plane between the flexible film and the coupling surface during the coupling process and/or with a coupled cassette. The invention equally includes a method for coupling the cassette and a method for checking the leaktightness of the cassette via the vacuum control of the air suction.

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: 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 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 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 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 device for determining the velocity of a longitudinally traveling textile material, especially a yarn, using the closed-loop correlation of a transit time correlator in such a way that its reliability is improved. At least one sensor g.sub.1 consists of two signal receivers disposed one behind the other in the running direction of the yarn, having a sensor output characteristic curve with the intersection of the abscissa in the effective sensor center axis, and wherein the output characteristic curve shows a point-symmetrical behavior at least in the vicinity of the intersection with the abscissa. A second sensor g.sub.2 has a steady state output characteristic curve in the area of its effective sensor center axis. The control loop circuit of the transit time correlator is designed such that the undifferentiated cross-correlation function is used as the controller input signal for determining and readjusting the adjustment point for the model delay time .tau..

Abstract: A splicing apparatus has a drum rotatable about a drum axis adjacent a web roll and having a generally cylindrical outer surface centered on the drum axis. A pair of suction bars on the drum defining thereon an axially extending and radially outwardly open slot each have an outer surface and are each pivotal about an axis generally parallel to the drum axis between a rest position with the bar surface forming a respective part or continuation of the outer surface of the drum and a holding position with its surface pressed angularly against the other bar so that in the holding position a web end can be clamped between the bars. Air is aspirated through the surfaces of the bars to adhere the web to the drum. The drum can be rotated about the drum axis and can be moved to displace the drum into engagement with the web.

Abstract: A system for joining the end of a web of material (4) running off a first winding roll (17) with the beginning of a web on a new winding roll (1) interchanged with the first winding roll (17) on an unwinding machine comprising devices for cutting through the web (4) being wound off, for holding the end of the web so produced, and for pressing the end of the web against the periphery of an interchanged new winding roll (1), in order to produce an adhesive bond, has a splice element (6) which can be placed on the web being wound off (4), moved beyond the region of a full winding roll (1) and pressed against its periphery. The splice element (6) contains a web cutting element (15) and a holding element (16) which, when placed in contact with the web being wound off (4), is located behind the web-cutting element (15) in the direction of motion of the web.

Abstract: For the cutting of a web a circular cutter is journaled rotatably in a slide which is moved along the cutting line by means of a linear drive. The cutter has a disk-shaped base body journaled freely rotatable which upon its perimeter is provided with pointed cutting blades angled in the sense of rotation. The distance of the base body from the web is chosen such that only the cutting blades but not the base body penetrate the web. Furthermore, the cutting blades are so fashioned and arranged that upon their penetration of the web to the maximal depth of penetration, an uncut portion remains between two cutting blades which upon exit of the subsequent cutting blades is severed by their leading cutting edge.