Monitoring of the performance of a blood fluid removal medium of a blood fluid removal device includes monitoring of condition, such as fluid flow rate or concentration of blood waste product, downstream of the medium. Upstream monitoring of the condition may also be performed to enhance the ability to determine whether the blood fluid removal medium is performing within predetermined ranges.

A method may include accessing a terminal branch of an ophthalmic artery through a face of a subject. Additionally, the method may include positioning a device within the ophthalmic artery of the subject and treating at least one of a blockage, a stenosis, a lesion, plaque or other physiology in at least one of the ophthalmic artery or a junction between an internal carotid artery and the ophthalmic artery.

Systems and methods for processing sensor data and self-calibration are provided. In some embodiments, systems and methods are provided which are capable of calibrating a continuous analyte sensor based on an initial sensitivity, and then continuously performing self-calibration without using, or with reduced use of, reference measurements. In certain embodiments, a sensitivity of the analyte sensor is determined by applying an estimative algorithm that is a function of certain parameters. Also described herein are systems and methods for determining a property of an analyte sensor using a stimulus signal. The sensor property can be used to compensate sensor data for sensitivity drift, or determine another property associated with the sensor, such as temperature, sensor membrane damage, moisture ingress in sensor electronics, and scaling factors.

Systems and methods for processing sensor data and self-calibration are provided. In some embodiments, systems and methods are provided which are capable of calibrating a continuous analyte sensor based on an initial sensitivity, and then continuously performing self-calibration without using, or with reduced use of, reference measurements. In certain embodiments, a sensitivity of the analyte sensor is determined by applying an estimative algorithm that is a function of certain parameters. Also described herein are systems and methods for determining a property of an analyte sensor using a stimulus signal. The sensor property can be used to compensate sensor data for sensitivity drift, or determine another property associated with the sensor, such as temperature, sensor membrane damage, moisture ingress in sensor electronics, and scaling factors.

Systems and methods are provided for determining an estimated risk of arrhythmia during or after dialysis based on changes in serum potassium concentration of a patient and an amount of fluid removed from the patient during dialysis. The systems and methods allow for a determination of a risk that arrhythmia will occur due to the changes in potassium and fluid volume of a patient during dialysis, and for optimizing a dialysis prescription in order to minimize the risk of arrhythmia.

A medico-technical measuring device for measuring a property of a fluid, such as pressure for pressure measurement, includes a line extending along a central longitudinal axis to guide a fluid, such as blood, within a longitudinal cavity delimited by a wall. A sensor unit has a sensor and measures a property of the fluid guided in the longitudinal cavity. The line is provided with a radial cavity inserted in the wall in a radial direction, in which the sensor unit is at least partially arranged, and which is integrated in the wall such that the sensor is in communication with the fluid. In this way, a measuring device can be provided that allows simple handlingin particular, in combination with a comparatively precise measurementespecially, pressure measurement. The measuring device may be produced according to a method and the measuring device may be used in a measuring method.

To provide a blood-purification-treatment support system capable of making an accurate judgement of whether or not any treatment conditions for blood purification treatment should be changed. The blood-purification-treatment support system is capable of supporting blood purification treatment. The system includes a storage device that stores patient-specific patient data that are acquired on a plurality of days including at least no-treatment days on which blood purification treatment is not conducted, an estimating device that compares the patient data for the plurality of days stored in the storage device with one another and estimates a pre-treatment patient state regarding blood purification treatment, and a judging device that judges from the pre-treatment patient state estimated by the estimating device whether or not any treatment conditions for blood purification treatment should be changed.

A device for monitoring fluid leakage. A flexible plastic sheet (11) is provided with a tear-off strip (12), which divides the sheet in a first sheet portion (21) and a second sheet portion (20) and forms a folding line. An adhesive (22) is arranged at the first portion (21). The sheet is folded along the folding line and the first portion is attached to the second portion via the adhesive to form a pocket along the folding line for enclosing a connector and hose assembly to be monitored. An optical sensor having an absorbent pad and an optical fiber is enclosed in said pocket when formed. The exterior end of the optical fiber is connected to an optical detector device for monitoring if the interior end of the optical fiber comes into contact with a fluid, indicating a leakage of the connector.

The present invention relates to a dialyzer, in particular to a peritoneal dialyzer, comprising at least one compressor and comprising at least one pneumatic consumer which is in communication with the compressor such that it can be acted on by compressed air from the compressor, wherein the dialyzer communicates or can communicate with at least one blood pressure cuff such that the blood pressure cuff can be supplied with compressed air by the compressor of the dialyzer.

Devices used to sense physiologic blood parameters are disclosed. The devices may be configured to sense at least two physiologic blood parameters at substantially a common site of an extracorporeal perfusion circuit. The devices may include a pressure sensor and a temperature sensor. The temperature sensor may be in direct contact with the blood.