Abstract: A system (200) for conducting a vision assessment test of an eye of a patient comprising: a display screen (201) for displaying at least one test profile to the patient; an eye tracker controlled for detecting a gaze direction data of the eye of the patient when viewing the test profile(s); and a processor for processing the detected gaze direction data and identifying a correlation between the gaze direction data and the test profile(s) to thereby obtain a vision assessment of the patients eye; wherein the system comprises a user interface (203) for enabling an operator of the system to author the test profile(s) for the patient by controlling one or more parameters of the test profile(s) prior to the vision assessment test being conducted.

Abstract: A catheter device including a tube having a first lumen configured for urine to flow therethrough, the tube having proximal, intermediate and distal portions; a buffer zone provided at the intermediate portion of the tube; and at least one obstruction element including a balloon positioned at the proximal portion of the tube for constriction of the proximal portion of the tube, and at least one obstruction element including at least one of the following a valve and a clamp positioned at the distal portion of the tube for constriction of the distal portion of the tube, wherein the obstruction elements can thereby temporarily restrict the flow of urine through the buffer zone; and wherein the buffer zone comprises at least one elongate opening extending along the intermediate portion of the tube; and wherein the buffer zone is operable for urine to be flushed periodically out of the tube.

Abstract: Disclosed is a catheter device including a proximal tube having a first part of a first lumen; a distal tube having a second part of the first lumen; a second lumen connecting the proximal tube and the distal tube; wherein the connection comprise an area of discontinuity between the first part and second part; wherein the area of discontinuity comprises a support element configured to resist axial movement of the distal tube relative to the proximal tube and vice versa; and wherein the second lumen is arranged to activate or cause at least one obstruction element to restrict the flow of urine from the proximal tube to the area of discontinuity and to restrict the flow of urine from the area of discontinuity to the distal tube.

Abstract: The invention relates to a nasogastric tube (100) comprising a nasogastric tubing (102) having first and second ends (102a, 102b), a power supply part (106) located at or adjacent the first end, and a transducer part (104) located at or adjacent the second end for transmitting or receiving an ultrasound based signal. Also disclosed is a positioning system comprising the said nasogastric tube, and a control module comprising an at least one detection portion and a processor.

Abstract: Disclosed is a catheter device including a proximal tube having a first part of a first lumen; a distal tube having a second part of the first lumen; a second lumen connecting the proximal tube and the distal tube; wherein the connection comprise an area of discontinuity between the first part and second part; wherein the area of discontinuity comprises a support element configured to resist axial movement of the distal tube relative to the proximal tube and vice versa; and wherein the second lumen is arranged to activate or cause at least one obstruction element to restrict the flow of urine from the proximal tube to the area of discontinuity and to restrict the flow of urine from the area of discontinuity to the distal tube.