Mölnlycke Health Care Patente

An apparatus and related aspects for providing reduced pressure to a tissue site are disclosed. The apparatus comprises an electrical load and a power supply arrangement connected to the electrical load. The power supply arrangement comprises a battery, a first voltage regulator connected to the battery, a second voltage regulator connected to the first voltage regulator and to the electrical load, and a capacitor connected to the second voltage regulator. The first voltage regulator is configured to receive an input voltage from the battery and to output a supply voltage to the second voltage regulator. Moreover, the first voltage regulator is further configured to, in response to the input voltage being above a first voltage level, output the supply voltage to the second voltage regulator based on the received input voltage. The first voltage regulator is further configured to, in response to the input voltage being below a second voltage level, output a zero-voltage to the second voltage regulator. The second voltage regulator is configured to, in response to receiving the supply voltage from the first voltage regulator at an input, output a first target voltage to the load based on the received supply voltage. The second voltage regulator is further configured to, in response to receiving the zero-voltage voltage from the first voltage regulator at the input, output a second target voltage to the load by discharging the capacitor.

The present disclosure generally relates to an electronic circuit patch (1) for use in conjunction with a wound dressing (2) and having a lateral (x) and a longitudinal (y) extension, wherein the patch (1) comprises:- a transfer layer (3) having a top side (3a) and a bottom side (3b), wherein at least the bottom side (3b) is adhesive;- a support layer (4) arranged on top side (3a) of the transfer layer (3); and- a release liner (5) releasably attached to the bottom side (3b) of the transfer layer (3), wherein the patch (1) comprises an aperture (6) extending through at least the transfer layer (3), and wherein the patch (1) comprises a first electronic circuit (7) arranged along at least a portion of the aperture (6).The present disclosure also relates to a wound dressing assembly (9) comprising the electronic circuit patch (1) and a wound dressing (2).

The present disclosure relates to a surgical drape (1) having a lateral extension (x) and a longitudinal extension (y), the surgical drape being divided in an upper region (2) for arrangement proximal a head of a patient during surgical procedure and a lower region (3) arranged proximal a surgical site of the patient, the upper region being divided in a first lateral section (2a), a central section (2b) and a second lateral section (2c), the surgical drape further comprising: - a surgeon facing barrier sheet (4) being essentially liquid impermeable and transparent, the surgeon facing barrier sheet extending over the first lateral section, the central section and the second lateral section of the upper region, - a patient facing sheet (5) being essentially opaque, the patent facing sheet extending over the central section of the upper region, - a fenestration (6) arranged in the lower region, the fenestration permitting access to the surgical site when the surgical drape covers a patient during surgical procedures, - a first and a second limb portion (7,8) arranged in the surgeon facing barrier sheet in the upper region of the surgical drape, wherein the surgeon facing barrier sheet extends beyond the patient facing sheet along a respective first and second longitudinal edge of the patient facing sheet in the upper region.

The present disclosure generally relates to a sensor strip (1) for use in conjunction with a medical dressing (2), wherein the sensor strip (1) comprises at least one sensing electrode (3) configured to measure the concentration of dissolved molecules in a wound, and at least a first (4a) and a second reference electrode (4b), characterized in that the at least first (4a) and second (4b) reference electrodes are individually distinct and differ by at least one property selected from set-up time, long-term-stability, life-time, and stability in response to chemical changes.The present disclosure also relates to a medical dressing assembly (5) comprising the adhesive sensor strip (1) and to a wound monitoring system comprising the medical dressing assembly (5).

An apparatus and related aspects for providing reduced pressure to a tissue site are disclosed. The apparatus comprises a source of negative pressure configured to provide negative pressure via a first fluid flow path from an inlet of the source of negative pressure to a wound site, power supply circuitry comprising a power source, the power supply circuitry being configured to provide a supply voltage to the source of negative pressure, and a pressure sensor arranged to monitor a pressure level in a fluid flow path that is in fluid connection with the wound site. The apparatus further comprises control circuitry operatively connected to the source of negative pressure, the pressure sensor, and the power supply circuitry. The control circuitry is configured to in response to a pressure change rate as detected by the pressure sensor being below a pressure change rate threshold while the source of negative pressure is active, set the supply voltage to the source of negative pressure to a first voltage value above a nominal voltage value.

The present invention relates to a wound care product (in particular a wound dressing) for treating cavity wounds. The wound care product comprises a) an absorbent body that comprises absorbent fibers, wherein the absorbent body has a length-to-width ratio of at least 5, wherein the length is defined as the longest dimension of the absorbent body, and the width is defined as the longest dimension perpendicular to the length; and b) a porous cover surrounding at least a part of the absorbent body, wherein the porous cover has a length-to-width ratio of at least 5, wherein the length is defined as the longest dimension of the porous cover, and the width is defined as the longest dimension perpendicular to the length.

An apparatus and related aspects for providing reduced pressure to a tissue site are disclosed. The apparatus comprises a source of negative pressure configured to provide negative pressure via a first fluid flow path from an inlet of the source of negative pressure to a wound site, power supply circuitry comprising a power source, the power supply circuitry being configured to provide a supply voltage to the source of negative pressure. The apparatus further comprises control circuitry operatively connected to the source of negative pressure and the power supply circuitry. The control circuitry is configured to, in response to receiving an indication that a noise level of ambient noise is above a noise level threshold, set the supply voltage to the source of negative pressure to a first voltage value above a nominal voltage value.

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The present disclosure generally relates to a wound dressing (100) comprising a backing layer (101), an adhesive skin contact layer (102) and a wound pad (103) arranged between the backing layer (101) and the adhesive skin contact layer (102), wherein the backing layer (101) and the adhesive skin contact layer (102) are arranged to extend beyond the contour of the wound pad (103) to form a border portion (104), wherein the wound pad (103) comprises an upper portion (103a) and a lower portion (103b); the upper portion (103a) being arranged in contact with the backing layer (101), wherein the upper portion (103a) has a surface area being smaller than the surface area of the lower portion (103b) and wherein the upper portion (103a) has a higher liquid spreading capacity than the lower portion (103b).

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A temperature sensing arrangement (5) for inclusion in an absorbent article (1) for sensing a temperature distribution across an area of a body of a user using the absorbent article (1). The temperature sensing arrangement (5) comprises a fluid-permeable carrier (23) including a plurality of conductors (25a-h); and a plurality of temperature sensing elements (27) distributed across the carrier (23), each temperature sensing element (27) of the plurality of temperature sensing elements being electrically connected to a unique combination of two conductors of the plurality of conductors (25a-h).

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The present disclosure generally relates to a negative pressure wound therapy (NPWT) dressing (100) configured to be connected to a negative pressure source; the NPWT dressing comprising, from top-to-bottom, a backing layer (101), a liquid spreading layer (102), an absorbent pad (103) comprising one or a plurality of pad-forming layers (103a-c), a spacer fabric layer (104), and an adhesive skin contact layer (105); the backing layer (101) and the adhesive skin contact layer (105) being arranged to extend beyond the contour of the liquid spreading layer (102), the absorbent pad (103) and the spacer fabric layer (104) to form a border portion (106), wherein the spacer fabric layer (104) comprises a top layer (104a), a bottom layer (104b) and an interconnecting layer (104c) arranged between the top layer (104a) and the bottom layer (104b); the interconnecting layer (104c) comprising a plurality of pile filaments (107) extending between the top layer (104a) and the bottom layer (104b), wherein the top layer (104a) of the spacer fabric layer (104) is defined by peripheral edges, and wherein at least one of the liquid spreading layer (102) and said pad-forming layer(s) (103a-c) of the absorbent pad (103) is arranged to overlap the peripheral edges of the top layer (104a) of the spacer fabric layer (104).The present disclosure also relates to a system comprising the NPWT dressing and to a method for manufacturing the NPWT dressing.

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