LU501232B1

LU501232B1 - Wound dressing

Info

Publication number: LU501232B1
Application number: LU501232A
Authority: LU
Inventors: Zhongtian Peng; Minjie Hu; Rongjuan Dai
Original assignee: The First Affiliated Hospital Hengyang Medical School Univ Of South China
Priority date: 2021-08-27
Filing date: 2021-11-29
Publication date: 2023-03-07
Also published as: WO2023024305A1; CN113599077A

Abstract

The present disclosure discloses a wound dressing and relates to the technical field of medical devices. The wound dressing comprises a dressing body, a power supply, a Bluetooth chip, an alarm, and two connecting plates which are arranged on the two sides of the dressing body respectively, wherein the dressing body comprises a dressing bottom layer, a silica gel layer, a gauze layer, a flexible electronic element layer, a liquid absorption layer and an isolation film layer which are arranged in sequence from bottom to top; the flexible electronic element layer comprises a humidity sensing assembly, a shooting assembly and two connected flexible substrate layers; the humidity sensing assembly and the shooting assembly are arranged between the two flexible substrate layers; the power supply, the Bluetooth chip and the alarm are arranged in one connecting plate; the humidity sensing assembly and the shooting assembly are connected with the power supply; the power supply, the Bluetooth chip and the alarm are connected in series in sequence; and the Bluetooth chip is used for being wirelessly connected with a mobile terminal. The wood dressing provided in the present disclosure is convenient for monitoring the condition of a wound in real time, is beneficial to early defense and timely diagnosis of the condition of the wound, shortens the treatment time and improves the treatment effect.

Description

BL-5360

WOUND DRESSING (0501232

TECHNICAL FIELD

[01] The present disclosure relates to the technical field of medical devices, and particularly relates to a wound dressing.

BACKGROUND ART

[02] After a medical staff cleans a wound, the wound dressing needs to cover the wound to form a relatively closed environment on the surface of the wound, so that the wound is prevented from being infected by the external environment. In the early stage of wound infection or bleeding, local exudation of the wound is increased, the local microenvironment humidity is increased, however, most existing wound dressings are common gauze, absorbent cotton, cotton pads and other conventional dressings, it is difficult to judge the early infection and exudation conditions of the wound under the condition that the wound is covered with the conventional dressings heavily, the condition of a wounded person cannot be treated in time, and as a result, the treatment effect is poor, and the treatment time is long.

SUMMARY

[03] In order to solve the above technical problems, the present disclosure provides a wound dressing, which is convenient for monitoring the condition of a wound in real time, is beneficial to early defense and timely diagnosis of the condition of the wound, shortens the treatment time and improves the treatment effect.

[04] In order to achieve the above object, the present disclosure provides the following technical solutions:

[05] The present disclosure provides a wound dressing, comprising a dressing body, a power supply, a Bluetooth chip, an alarm, and two connecting plates which are arranged on the two sides of the dressing body respectively, wherein the dressing body comprises a dressing bottom layer, a silica gel layer, a gauze layer, a flexible electronic element layer, a liquid absorption layer and an isolation film layer which are arranged in sequence from bottom to top; the flexible electronic element layer comprises a humidity sensing assembly, a shooting assembly and two connected flexible substrate layers; the humidity sensing assembly and the shooting assembly are arranged between the two flexible substrate layers; the lower flexible substrate layer is connected with the gauze layer; the upper flexible substrate layer is connected with the liquid absorption layer; the power supply, the Bluetooth chip and the alarm are arranged in one connecting plate; the humidity sensing assembly and the shooting assembly are connected with the power supply; the power supply, the Bluetooth chip and the alarm are connected in series in sequence; and the Bluetooth chip is used for being wirelessly connected with a mobile terminal.

[06] Preferably, the humidity sensing assembly comprises a plurality of humidity sensors, and each humidity sensor is connected with the power supply.

[07] Preferably, the shooting assembly comprises a plurality of flexible optical 1

BL-5360 fiber bundles for image transmission, and each flexible optical fiber bundle for image LU501232 transmission 1s connected with the power supply.

[08] Preferably, the alarm is provided with three alarm indicator lamps, the colors of the three alarm indicator lamps are different from each other, and the alarm indicator lamps protrude out of the upper surfaces of the connecting plates.

[09] Preferably, the dressing bottom layer is a non-woven fabric layer.

[10] Preferably, micropores are evenly distributed in the upper surface of the silica gel layer, and the silica gel layer contains chitosan.

[11] Preferably, the flexible base body layers are made of polyimide or polydimethylsiloxane or polyester.

[12] Preferably, the liquid absorption layer is a water absorption cotton layer or comprises multiple layers of gauze.

[13] Preferably, the isolation film layer is a polyurethane film layer.

[14] Preferably, the two connecting plates are connected to the two sides of the dressing bottom layer respectively, the connecting plates are made of elastic cotton, and back glue is arranged on the lower surfaces of the connecting plates.

[15] Compared with the prior art, the present disclosure has achieved the technical effect as follows.

[16] For the wound dressing provided in the present invention, the dressing body comprises a dressing bottom layer, a silica gel layer, a gauze layer, a flexible electronic element layer, a liquid absorption layer and an isolation film layer which are arranged in sequence from bottom to top; the flexible electronic element layer comprises a humidity sensing assembly, a shooting assembly and two connected flexible substrate layers; the humidity sensing assembly and the shooting assembly are arranged between the two flexible substrate layers, the power supply, the Bluetooth chip and the alarm are arranged in one connecting plate; the humidity sensing assembly and the shooting assembly are connected with the power supply; the power supply, the Bluetooth chip and the alarm are connected in series in sequence; and the Bluetooth chip is used for being wirelessly connected with a mobile terminal. When a wound is infected or bleeds, seepage occurs on the wound, and the seepage sequentially passes through the dressing bottom layer, the silica gel layer, the gauze layer, the flexible electronic element layer, the liquid absorption layer and the isolation film layer, when the seepage reaches the flexible electronic element layer, the humidity sensing assembly reads humidity data, the shooting assembly shoots in real time and transmits information to the Bluetooth chip, the Bluetooth chip integrates the data and sends a signal to the alarm, and the alarm gives an alarm according to the humidity condition of the wound; meanwhile, the

Bluetooth chip integrates the data and transmits the data to the mobile terminal, a patient and medical staff can observe pictures shot by the shooting assembly and the humidity data of the wound in real time through the mobile terminal, then the real condition of the wound is mastered in real time, early defense and timely diagnosis of the wound condition are facilitated, the replacement reminding function is achieved, the 2

BL-5360 treatment time is shortened, the treatment cost is reduced, the pain of the patient is LU501232 relieved, and the treatment effect is improved.

BRIEF DESCRIPTION OF THE DRAWINGS

[17] In order to illustrate the embodiments of the present disclosure or the technical solutions in the prior art more clearly, the accompanying drawings used in the embodiments will be briefly described below. Obviously, the accompanying drawings in the following description are only a part of embodiments of the present invention, and for persons of ordinary skill in the art, other drawings can be obtained based on these accompanying drawings without creative efforts.

[18] FIG1 is a schematic view of an overall structure of a wound dressing provided by the present invention;

[19] FIG2 is an exploded view of a wound dressing provided by the present invention; and

[20] FIG3 is a schematic view of a flexible electronic element layer in a wound dressing provided by the present invention.

[21] Reference numerals: 100, wound dressing; 1, connecting plate; 2, dressing body; 21, dressing bottom layer; 22, silica gel layer; 23, gauze layer; 24, flexible electronic element layer; 241, flexible substrate layer; 242, humidity sensor; 243, flexible optical fiber bundle for image transmission; 25, liquid absorption layer; 26, isolation film layer; 3, power supply; 4, Bluetooth chip; and 5, alarm.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[22] The technical solutions of the embodiments of the present disclosure will be described clearly and completely below in conjunction with the accompanying drawings of the embodiments. Obviously, embodiments described are only a part of embodiments of the present disclosure, and are not all of embodiments thereof. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present disclosure without creative efforts shall fall within the protection scope of the present disclosure.

[23] The present disclosure aims to provide a wound dressing, which is convenient for monitoring the condition of a wound in real time, is beneficial to early defense and timely diagnosis of the condition of the wound, shortens the treatment time and improves the treatment effect.

[24] In order to make the above object, technical features and advantages of the present disclosure to be more obvious and understandable, the present disclosure will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[25] As shown in FIGS. 1 to 3, this embodiment of the present disclosure provides a wound dressing 100, comprising a dressing body 2, a power supply 3, a Bluetooth chip 4, an alarm 5, and two connecting plates 1 which are arranged on the two sides of the dressing body 2 respectively, wherein the dressing body 2 comprises a dressing 3

BL-5360 bottom layer 21, a silica gel layer 22, a gauze layer 23, a flexible electronic element LU501232 layer 24, a liquid absorption layer 25 and an isolation film layer 26 which are arranged in sequence from bottom to top; the flexible electronic element layer 24 comprises a humidity sensing assembly, a shooting assembly and two connected flexible substrate layers 241; the humidity sensing assembly and the shooting assembly are arranged between the two flexible substrate layers 241; the lower flexible substrate layer 241 1s connected with the gauze layer 23; the upper flexible substrate layer 241 1s connected with the liquid absorption layer 25; the gauze layer 23 covers the silica gel layer 22, and is connected with the dressing bottom layer 21; the isolation film layer 26 is connected with the liquid absorption layer 25; the power supply 3, the Bluetooth chip 4 and the alarm 5 are arranged in one connecting plate 1; the humidity sensing assembly and the shooting assembly are connected with the power supply 3; the power supply 3, the

Bluetooth chip 4 and the alarm 5 are connected in series in sequence; the power supply 3 is capable of supplying power to the humidity sensing assembly, the shooting assembly, the Bluetooth chip 4 and the alarm 5; and the Bluetooth chip 4 is used for being wirelessly connected with a mobile terminal. The mobile terminal in this embodiment is a Bluetooth mobile phone.

[26] When a wound is infected or bleeds, seepage occurs on the wound, and the seepage sequentially passes through the dressing bottom layer 21, the silica gel layer 22, the gauze layer 23, the flexible electronic element layer 24, the liquid absorption layer and the isolation film layer 26; when the seepage reaches the flexible electronic element layer 24, the humidity sensing assembly reads humidity data, the shooting assembly shoots in real time and transmits information to the Bluetooth chip 4, the

Bluetooth chip 4 integrates the data and sends a signal to the alarm 5, and the alarm 5 gives an alarm according to the humidity condition of the wound, meanwhile, the

Bluetooth chip 4 integrates the data and transmits the data to the mobile terminal, a patient and medical staff can observe pictures shot by the shooting assembly and the humidity data of the wound in real time through the mobile terminal, then the real condition of the wound is mastered in real time, early defense and timely diagnosis of the wound condition are facilitated, the replacement reminding function is achieved, the treatment time is shortened, the treatment cost is reduced, the pain of the patient is relieved, and the treatment effect is improved.

[27] Specifically, the humidity sensing assembly comprises a plurality of humidity sensors 242, and each humidity sensor 242 is connected with the power supply 3. The plurality of humidity sensors 242 are uniformly distributed between the two flexible substrate layers 241, so the humidity of multiple parts of the wound can be monitored; the average value of humidity values measured by the plurality of humidity sensors 242 is compared with a humidity set value in the Bluetooth chip 4 to judge whether a small amount of exudation, a medium amount of exudation or a large amount of exudation occurs, and judge the condition corresponding to the small amount of exudation when the average value of the humidity values measured by the plurality of humidity sensors 242 is smaller than 50%, the condition corresponding to the medium amount of exudation when the average value of the humidity values measured by the plurality of humidity sensors 242 is 50-80%, and the condition corresponding to the large amount of 4

BL-5360 exudation when the average value of the humidity values measured by the plurality of LU501232 humidity sensors 242 1s larger than 80%.

[28] Specifically, the shooting assembly comprises a plurality of flexible optical fiber bundles 243 for image transmission, and each flexible optical fiber bundle 243 for image transmission is connected with the power supply 3. The plurality of flexible optical fiber bundles 243 for image transmission are uniformly distributed between two flexible substrate layers 241, therefore, a plurality of parts of the wound can be shot, and the condition of the wound is comprehensively known.

[29] Specifically, the alarm 5 is provided with three alarm indicator lamps, the colors of the three alarm indicator lamps are different from each other, and the alarm indicator lamps protrude out of the upper surfaces of the connecting plates 1. The colors of the three alarm indicator lamps are yellow, blue and green in sequence, which represent small-amount exudation, medium-amount exudation and large-amount exudation respectively. When the Bluetooth chip 4 makes a judgment according to the average value of humidity values measured by the plurality of humidity sensors 242, the corresponding alarm indicator lamp is started, the yellow alarm indicator lamp is turned on when it is judged that a small amount of exudation occurs, the blue alarm indicator lamp is turned on when it is judged that a medium amount of exudation occurs, and the green alarm indicator lamp is turned on when it is judged that a large amount of exudation occurs, thus a patient and medical staff can monitor the humidity condition of the wound in real time according to the alarm indicator lamps, and then the wound dressing 100 can be replaced in time. It should be noted that the alarm 5 adopted in this embodiment is an alarm in the prior art.

[30] In this specific embodiment, the dressing bottom layer 21 is a non-woven fabric layer, the non-woven fabric layer is high in liquid absorption amount, free of thread residues and capable of rapidly absorbing secreta seeping out of a wound, and the hidden danger of foreign matter such as soft flocks and thread residues does not exist.

[31] In this specific embodiment, the upper surface of the dressing bottom layer 21 is coated with the silica gel layer 22, and micropores are evenly distributed in the upper surface of the silica gel layer 22 and can be permeable to water and air; the silica gel layer 22 contains chitosan, the chitosan is continuously and slowly released to the wound surface through the silica gel layer 22, and the continuous antibacterial and anti-infection functions are achieved.

[32] In this specific embodiment, the flexible base body layers 241 are made of polyimide or polydimethylsiloxane or polyester. In this specific embodiment, the flexible base body layers 241 are transparent.

[33] In this specific embodiment, the liquid absorption layer 25 is a water absorption cotton layer or comprises multiple layers of gauze.

[34] In this specific embodiment, the isolation film layer 26 is a polyurethane film layer. In this specific embodiment, the polyurethane film layer is semitransparent.

[35] In this specific embodiment, the two connecting plates 1 are connected to the

BL-5360 two sides of the dressing bottom layer 21 respectively, the connecting plates 1 are made LU501232 of elastic cotton, and in other words, the two sides of the non-woven fabric layer are each connected with one piece of elastic cotton. Back glue is arranged on the lower surfaces of the connecting plates 1, and the dressing body 2 is applied to the wound surface through pasting and fixing of the back glue.

[36] The principles and embodiments of the present disclosure are described with specific examples in the foregoing description. The description of the above examples is merely to help understand the method and core ideas of the present invention; meanwhile, changes to the specific embodiments and the scope of application can be made by persons of ordinary skill in the art according to the ideas of the present invention. In summary, the content of this Specification should not be construed as a limitation to the present invention. 6

Claims

BL-5360 WHAT IS CLAIMED IS: LUS01232

1. A wound dressing, comprising a dressing body, a power supply, a Bluetooth chip, an alarm, and two connecting plates which are arranged on the two sides of the dressing body respectively, wherein the dressing body comprises a dressing bottom layer, a silica gel layer, a gauze layer, a flexible electronic element layer, a liquid absorption layer and an isolation film layer which are arranged in sequence from bottom to top; the flexible electronic element layer comprises a humidity sensing assembly, a shooting assembly and two connected flexible substrate layers; the humidity sensing assembly and the shooting assembly are arranged between the two flexible substrate layers; the lower flexible substrate layer is connected with the gauze layer; the upper flexible substrate layer is connected with the liquid absorption layer; the power supply, the Bluetooth chip and the alarm are arranged in one connecting plate; the humidity sensing assembly and the shooting assembly are connected with the power supply; the power supply, the Bluetooth chip and the alarm are connected in series in sequence; and the Bluetooth chip is used for being wirelessly connected with a mobile terminal.

2. The wound dressing according to claim 1, wherein the humidity sensing assembly comprises a plurality of humidity sensors, and each humidity sensor is connected with the power supply.

3. The wound dressing according to claim 1, wherein the shooting assembly comprises a plurality of flexible optical fiber bundles for image transmission, and each flexible optical fiber bundle for image transmission is connected with the power supply.

4. The wound dressing according to claim 1, wherein the alarm is provided with three alarm indicator lamps, the colors of the three alarm indicator lamps are different from each other, and the alarm indicator lamps protrude out of the upper surfaces of the connecting plates.

5. The wound dressing according to claim 1, wherein the dressing bottom layer is a non-woven fabric layer.

6. The wound dressing according to claim 1, wherein micropores are evenly distributed in the upper surface of the silica gel layer, and the silica gel layer contains chitosan.

7. The wound dressing according to claim 1, wherein the flexible base body layers are made of polyimide or polydimethylsiloxane or polyester.

8. The wound dressing according to claim 1, wherein the liquid absorption layer is a water absorption cotton layer or comprises multiple layers of gauze.

9. The wound dressing according to claim 1, wherein the isolation film layer is a polyurethane film layer.

10. The wound dressing according to claim 1, wherein the two connecting plates are connected to the two sides of the dressing bottom layer respectively, the connecting plates are made of elastic cotton, and back glue is arranged on the lower surfaces of the connecting plates. 7