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1. A urine collection and drainage device, comprising: a device body comprising a vulva-facing portion and a handle portion, wherein the device body further comprises an anterior end and a posterior end, wherein the vulva-facing portion comprises a bulbous protuberance at the posterior end and a partial dome portion in proximity to the anterior end, wherein lateral sides of the device body converge at the posterior end to form a posterior ridge; a urine collection slot defined along a urethra-facing side of the vulva-facing portion in between the bulbous protuberance and the partial dome portion, wherein at least one of the bulbous protuberance and the posterior ridge is configured to be used to spread apart a labia minora of a subject to expose a urethral-opening of the subject, wherein the posterior ridge is configured to rest against the fourchette of the subject and the bulbous protuberance is configured to rest against at least part of a vaginal opening of the subject when the urine collection slot surrounds the urethral-opening, and wherein the partial dome portion is configured to rest against part of a vulva vestibule and a labia minora of the subject when the urine collection slot surrounds the urethral-opening; and a drainage opening defined along a base of the device body, wherein the urine collection slot is in fluid communication with the drainage opening through an interior cavity defined within the device body, and wherein the urine collection slot has a slot width and a drainage opening width at the base of the device body, wherein the slot width is smaller than the draining opening width, wherein the internal cavity forms a tapered-cone like shape, wherein the handle portion has a base protuberance, wherein the posterior ridge is between the base of the device body and the bulbous protuberance, and wherein a ratio between a base protuberance radius of curvature and a bulbous protuberance radius of curvature is greater than one.
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