A manufacturing apparatus for an absorbent body including: a first conveyor that conveys an air-permeable first sheet while sucking the first sheet along a flat first slope surface; a second conveyor that conveys an air-permeable second sheet while sucking the second sheet along a flat second slope surface having a slope opposite to the first slope surface; a first distribution device that forms a first absorbent layer in the first sheet by distributing absorbent powder on an upper surface of the first sheet being conveyed along the first slope surface; a second distribution device that forms a second absorbent layer in the second sheet by distributing absorbent powder on an upper surface of the second sheet being conveyed along the second slope surface; and a stacking part that stacks the first sheet conveyed by the first conveyor and the second sheet conveyed by the second conveyor in such a manner as to cause the first absorbent layer of the first sheet and the second absorbent layer of the second sheet to face each other.

An absorbent article includes a liquid permeable, apertured topsheet, a liquid impermeable backsheet, an absorbent core disposed at least partially intermediate the topsheet and the backsheet, and an acquisition material disposed at least partially intermediate the topsheet and the absorbent core. The acquisition material has a caliper in the range of about 2.5 mm to about 10 mm, according to the Caliper Test, and an Air Permeability in the range of about 5,000 l/m.sup.2/s to about 11,000 l/m.sup.2/s, according to the Air Permeability Test. The acquisition material has a first surface, a second surface, and a plurality of three-dimensional features extending outwardly from the first surface or the second surface.

An object of the disclosure is to provide an absorbent article without a sticky feel on the top sheet and with a smooth top sheet, even after highly viscous menstrual blood has been absorbed. An absorbent article comprising a liquid-permeable top sheet, an absorbent body, a liquid-impermeable back sheet, and a second sheet between the liquid-permeable top sheet and the absorbent body, wherein the top sheet and the second sheet comprise a blood modifying agent with an IOB of 0.00-0.60, a melting point of no higher than 45° C., and a water solubility of 0.00-0.05 g in 100 g of water at 25° C.

The present invention relates to fluid-absorbent articles, comprising a fluid-absorbent core comprising at least 60% by weight of fluid-absorbent polymer particles and not more than 40% by weight of cellulose based fibers and an acquisition-distribution layer comprising at least 90% by weight of synthetic non-cellulose based fibers and not more than 10% by weight of cellulose based fibers. The thickness deviation of the bi-folded fluid-absorbent article in longitudinal direction is less than 10%. More particularly, the present invention relates to folding and packaging of disposable fluid-absorbent articles such as diapers, training pants.

A vaginal fluid monitoring device includes an absorbent layer, wherein the absorbent layer is configured to be in proximity to flow of vaginal fluid; an electrochemical detection system configured to obtain data regarding at least one analyte in a vaginal fluid, said electrochemical detection system in fluid communication with the absorbent layer; and wherein the vaginal fluid monitoring device is configured to be coupled with a feminine hygiene product.

A vaginal fluid monitoring device includes an absorbent layer, wherein the absorbent layer is configured to be in proximity to flow of vaginal fluid; an electrochemical detection system configured to obtain data regarding at least one analyte in a vaginal fluid, said electrochemical detection system in fluid communication with the absorbent layer; and wherein the vaginal fluid monitoring device is configured to be coupled with a feminine hygiene product.

The invention relates to a liquid-absorbing breathable blood-resistant no-leakage sanitary pad, which consists of a skin-friendly dry layer, a breathable liquid-storage core layer, an SMS blood-resistant water-repellent non-woven fabric layer, and a bottom layer in an overlapped manner; the skin-friendly dry layer is located in the absorption surface of the breathable liquid-storage core layer, the SMS blood-resistant water-repellent non-woven fabric layer is located in the back of the breathable liquid-storage core layer, and the bottom layer is located in the breathable surface of the SMS blood-resistant water-repellent non-woven fabric layer. The SMS blood-resistant water-repellent non-woven fabric is designed in the back of the breathable liquid-storage core layer, which achieves the object of preventing water, effectively prevents the leakage of menstrual blood, so as to greatly reduce the thickness of a sanitary pad product under the premise of achieving the object of coexistence of water resistance, blood resistance, and breathability.

An absorbent article and method of making the absorbent article are disclosed. The absorbent article having a topsheet, a backsheet, and an absorbent core structure having one or more layers wherein at least one layer is a heterogeneous mass layer, wherein the topsheet and the heterogeneous mass are integrated such that they reside in the same X-Y plane.

Provided herein are methods and devices operable to monitor the hydration of a user. The wearable device for hydration monitoring includes an emitting component operable to emit light having at least three different wavelengths, a sensor operable to receive a reflected portion of the emitted light, and a processor operable to receive signals from the sensor. At least one of the wavelengths is in the range from 900 nm to 1600 nm for optical detection of a level of water. The method for hydration monitoring includes emitting light from a light emitting component operable to emit light having at least three different wavelengths and detecting light with at least one photodetector. At least three distances between the light emitting component and the photodetector are known and the at least three distances allow monitoring of at least two different tissue beds with at least two different tissue depths.

A cellulose pulp particle having the shape of a general prismatoid having two parallel bases, the pulp particle comprising pulp fibers in a wet laid pulp sheet form, one of the bases having an area that is equal to or greater than the area of the other base, the area of the larger base being equal to or less than 30 mm.sup.2 and equal to or greater than 8 mm.sup.2, the height of the particle, the perpendicular distance between the bases, being equal to or greater than 0.9 mm and equal to or less than 5 mm.