Intelligent tool for wound assessment

CN224761874UActive Publication Date: 2026-09-18NINGXIA HUI AUTONOMOUS REGION PEOPLES HOSPITAL
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Patent Information

Application Number
CN202520874474.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-09-18
Estimated Expiration
2035-05-06

AI Technical Summary

Technical Problem

[0003]目前临床中对创面的评估主要根据创面情况而定,对于未出现破溃的创面,通过标记笔标记的简单方法完成测量;而对于已出现皮肤破溃、软组织损伤乃至骨肌腱外露的创面,因其层次深浅不一、范围不规则,单纯通过肉眼观察、简单测量工具或拍照,无法对创面大小做到准确判断

Benefits of technology

[0010] This invention relates to an intelligent tool for wound assessment. Utilizing an infrared laser measuring instrument, it accurately measures the size and depth of patient wounds, avoiding errors associated with traditional ruler or square measurements and improving the accuracy of wound assessment. The tool's compact and practical stand design facilitates portability and operation without interfering with other clinical procedures performed by medical staff. Furthermore, the magnetic connection between the laser measuring device and the stand makes assembly and disassembly of the device more convenient and quick. This invention simplifies the wound assessment process through laser measurement and app recording, reducing the workload of medical staff and improving work efficiency.

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Abstract

The utility model relates to an intelligent tool for wound evaluation, including laser measuring ware and support, the support is the fan -shaped structure that is made of arc base and two sides, the recess measuring frame is all possessed above two sides, the recess is possessed above the fan -shaped structure, the recess is made of X -axis location ruler and Y -axis location ruler, the recess measuring frame of two sides is connected with X -axis location ruler and Y -axis location ruler respectively, a plurality of magnetic attraction sites are included on the support, a plurality of magnetic attraction sites are located at both ends of the fan -shaped structure respectively, the laser measuring ware is installed on the support through the magnetic attraction site, the X -axis location ruler and Y -axis location ruler of recess are aligned with the wound edge, and the laser measuring ware is connected with mobile equipment communication. The intelligent tool for wound evaluation adopting the utility model adopts infrared laser measuring tool, can accurately measure the size and depth of patient's wound, improves the accuracy of wound evaluation, through the mode of laser measurement and APP record, simplifies the wound evaluation process, reduces the workload of medical staff, improves the work efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of medical auxiliary equipment, and more particularly to the field of optical measurement devices, specifically referring to an intelligent tool for wound assessment. Background Technology

[0002] In daily clinical work at the hospital, various wounds are encountered every day. The Department of Burns and Plastic Surgery is the specialized department for wound treatment, primarily addressing the diagnosis and treatment of burns, diabetic foot ulcers, chronic ulcers, skin avulsions, and other types of wounds. In nursing practice, the prevention and treatment of pressure ulcers are also important tasks in internal medicine and surgical nursing. Wound assessment (size, depth, and grading) is the first step in wound prevention and treatment, and a crucial aspect of wound diagnosis and treatment. Therefore, accurately assessing the wound healing status is of great significance for wound prevention and control.

[0003] Currently, wound assessment in clinical practice primarily depends on the wound's condition. For wounds without ulceration, measurements are taken using a simple marking method. However, for wounds with skin ulceration, soft tissue injury, or even exposed bones and tendons, the varying depths and irregularities make accurate assessment of wound size impossible through visual observation, simple measuring tools, or photography alone. Especially for chronic wounds requiring long-term dressing changes, current tools, primarily ordinary rulers or squares, are insufficient for measuring and recording the wound at each dressing change. Using rulers or squares to measure wounds carries a significant risk of contact with the wound surface, potentially leading to contamination or infection of other areas. Furthermore, for shallow or open wounds, rulers or squares not only fail to provide direct data but also lack precise measurement results to facilitate continuous assessment of the patient's condition by healthcare professionals. Therefore, a measurement tool is needed that can: 1. accurately measure the size of the patient's wound and accurately measure the wound depth through direct or indirect methods; 2. be small, practical, and easy to carry, facilitating patient data collection; 3. establish relevant patient scores through a mobile app, facilitating patient wound management; and 4. minimize contact with the patient's wound and facilitate disinfection to prevent wound infection. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide an intelligent tool for wound assessment that is simple in structure, easy to operate, and has a wide range of applications.

[0005] To achieve the above objectives, the intelligent tool for wound assessment according to this invention is as follows:

[0006] This intelligent tool for wound assessment is characterized by comprising a laser measuring device and a support. The support is a fan-shaped structure consisting of an arc-shaped base and two sides. Each of the two sides has a notch measuring frame above it. The fan-shaped structure has a notch at the top, which consists of an X-axis positioning ruler and a Y-axis positioning ruler. The notches on the two sides are connected to the X-axis and Y-axis positioning rulers of the notch, respectively. The support includes multiple magnetic attraction points located at both ends of the fan-shaped structure. The laser measuring device is mounted on the support via these magnetic attraction points. The X-axis and Y-axis positioning rulers of the notch are aligned with the edge of the wound. The laser measuring device is communicatively connected to a mobile device.

[0007] Preferably, the laser measuring device includes a laser measuring device generating part, which is installed at the front end of the laser measuring device. When the laser measuring device is installed on the bracket, the distance between the laser measuring device generating part and the X-axis positioning ruler or Y-axis positioning ruler of the notch of the fan-shaped structure is 3cm.

[0008] Preferably, the device further includes two scales, the sides of which are aligned with the notched measuring frame on the side of the support, and the tops of which are aligned with the X-axis positioning scale and Y-axis positioning scale of the fan-shaped structure notch, respectively.

[0009] Preferably, the device further includes a Z-axis plate and a Z-axis fixing post. The bottom end of the fan-shaped structure has a side groove. The Z-axis fixing post is mounted on the bracket and located at the bottom edge of the side groove. The Z-axis plate is detachably mounted in the side groove. After the Z-axis plate is removed from the side groove, it can be vertically mounted on the Z-axis fixing post to form a vertical structure. The laser measuring device is vertically mounted on the Z-axis fixing post by magnetic attraction, with the laser measuring device's emission point facing downwards.

[0010] This invention relates to an intelligent tool for wound assessment. Utilizing an infrared laser measuring instrument, it accurately measures the size and depth of patient wounds, avoiding errors associated with traditional ruler or square measurements and improving the accuracy of wound assessment. The tool's compact and practical stand design facilitates portability and operation without interfering with other clinical procedures performed by medical staff. Furthermore, the magnetic connection between the laser measuring device and the stand makes assembly and disassembly of the device more convenient and quick. This invention simplifies the wound assessment process through laser measurement and app recording, reducing the workload of medical staff and improving work efficiency. Attached Figure Description

[0011] Figure 1 A frontal view of the pressure ulcer scoring observation ruler for existing technology.

[0012] Figure 2A schematic diagram of the reverse side of a pressure ulcer scoring observation ruler based on existing technology.

[0013] Figure 3 This is a schematic diagram of the structure of the intelligent tool for wound assessment according to this utility model.

[0014] Figure 4 This is a schematic diagram of the structure of the laser measuring device of the intelligent tool for wound assessment of this utility model mounted on a bracket.

[0015] Figure 5 This is a schematic diagram of an embodiment of the intelligent tool for wound assessment according to the present invention.

[0016] Figure label:

[0017] 1. Bracket

[0018] 2. Laser measuring instrument

[0019] 3 Magnetic attraction points

[0020] 4. Notch measuring frame

[0021] 5 X-axis positioning ruler

[0022] 6 Y-axis positioning ruler

[0023] 7. Side Groove

[0024] 8 Z-axis plate

[0025] 9 Z-axis fixed piles

[0026] 10 Measuring Instrument Limiting Slot

[0027] 11 LCD screen

[0028] 12 measurement keys

[0029] 13 Power button

[0030] 14 mode keys Detailed Implementation

[0031] To more clearly describe the technical content of this utility model, the following description is provided in conjunction with specific embodiments.

[0032] This invention discloses an intelligent tool for wound assessment, comprising a laser measuring device and a support. The support is a fan-shaped structure consisting of an arc-shaped bottom edge and two sides. Each of the two sides has a notch measuring frame at its top. The fan-shaped structure has a notch at its top, which consists of an X-axis positioning ruler and a Y-axis positioning ruler. The notches on the two sides are connected to the X-axis and Y-axis positioning rulers of the notch, respectively. The support includes multiple magnetic attraction points located at both ends of the fan-shaped structure. The laser measuring device is mounted on the support via these magnetic attraction points. The X-axis and Y-axis positioning rulers of the notch are aligned with the edge of the wound. The laser measuring device is communicatively connected to a mobile device.

[0033] In a preferred embodiment of the present invention, the laser measuring device includes a laser measuring device generating part, which is installed at the front end of the laser measuring device. When the laser measuring device is installed on the bracket, the distance between the laser measuring device generating part and the X-axis positioning ruler or Y-axis positioning ruler of the fan-shaped structure notch is 3cm.

[0034] In a preferred embodiment of the present invention, the device further includes two scales, the sides of which are aligned with the notched measuring frame on the side of the bracket, and the tops of which are aligned with the X-axis positioning scale and Y-axis positioning scale of the fan-shaped structure notch, respectively.

[0035] In a preferred embodiment of this utility model, the device further includes a Z-axis plate and a Z-axis fixing stake. The bottom end of the fan-shaped structure has a side groove. The Z-axis fixing stake is mounted on the bracket and located at the bottom edge of the side groove. The Z-axis plate is detachably mounted in the side groove. After the Z-axis plate is removed from the side groove, it can be vertically mounted on the Z-axis fixing stake to form a vertical structure. The laser measuring device is vertically mounted on the Z-axis fixing stake by magnetic attraction, with the laser measuring device's emission point facing downwards.

[0036] In a specific embodiment of this utility model, a laser measuring tool is used in conjunction with a special support. The size of the patient's wound can be accurately measured by infrared laser, and the depth of the wound can be accurately measured directly or indirectly according to the condition of the wound. The original data of the wound can be recorded by a mobile APP.

[0037] This tool is small and practical. The stand is 92*92mm in size, which is palm-sized and easy to carry in a pocket. It does not affect bending over to perform clinical operations such as puncture, examination, and dressing change. It is easy to disassemble and install. The laser measuring device can be magnetically connected to the stand. When unfolded, the dimensions are 92*92*50mm and the weight is only 50g.

[0038] The laser measuring device can connect to a mobile phone via Bluetooth for data transmission. The raw data after measurement can be recorded in a mini-program, and the wound management function can be realized by establishing relevant scores for patients.

[0039] The support only serves to guide light and standardize measurements. When measuring the area, it should avoid contact with the patient's wound as much as possible at the edge of the wound. In daily use, disposable thin film gloves or sterile drapes can be used for protection. The nylon material used in its manufacture can be sterilized by heat pressing, wiping with disinfectant, or soaking. The laser measuring instrument has an IPX5 waterproof rating and does not come into direct contact with the patient, so it can be wiped with disinfectant to effectively avoid wound infection.

[0040] Before use, connect the laser measuring device to your mobile phone via Bluetooth and create patient information using the app. Remove the Z-axis support, assemble the support, and fix the laser measuring device to the support using the magnetic attachment point, ensuring the laser measuring device is positioned 3cm from the notch. (Since laser ranging works by emitting laser light that diffusely reflects off the surface of an object, and the receiver calculates the length based on the received diffuse reflection energy, the energy attenuation is less than 3cm, resulting in less accurate distance measurements within 3cm. To overcome this, the app subtracts 3cm from the recorded data to ensure accuracy.) Align the X-axis and Y-axis positioning rulers of the notch with the edge of the wound. Use a cotton swab to locate the other edge of the wound, ensuring the red laser spot falls on the swab. Click the measurement button to measure the length and width of the wound. Then, fix the laser measuring device to the Z-axis using the magnetic attachment point, move the support to ensure the red laser spot falls on the deepest part of the wound, and click the measurement button to measure the depth. If the wound is closed or contains a fistula, the depth can be indirectly measured using the above method after probing with a cotton swab. The app records the patient's condition according to the scoring criteria provided, and the tool scores the wound to provide a basis for subsequent wound treatment.

[0041] The right side features a Z-axis plate. The Z-axis plate is fixed to the Z-axis fixing stake to form a vertical structure. The laser measuring device is then magnetically attached to the Z-axis plate, ensuring the initial position of the laser measuring device is located in the measuring device limiting groove. Pressing the measurement button completes the wound depth measurement. After use, the measuring device is removed, and the Z-axis plate is stored using the side groove and magnetic attachment.

[0042] This technical solution still uses the conventional method of splicing rulers for measurement. Firstly, folding rulers are inconvenient to carry and carry by medical staff, especially since medical workers often bend over during clinical work, and folding rulers are prone to breakage in practice. The intelligent wound assessment tool designed in this technical solution uses a laser ruler for measurement, which is small in size, convenient and accurate, and has the function of digital management of measurement results.

[0043] This current technical solution still uses cotton swabs to measure wound depth, which directly contacts the wound and introduces new contamination, potentially worsening the wound. Furthermore, this method is not accurate enough. For deeper / shallow wounds or sinus tract wounds, precise values ​​cannot be obtained using a vertical ruler. Our design utilizes a laser measuring device with diffuse reflection to measure distance, avoiding direct contact with the patient's wound and reducing the risk of infection and deterioration.

[0044] The intelligent wound assessment tool in this technical solution is characterized by its low cost and portability. It can directly measure and estimate open wounds or wounds with small openings and large internal spaces, and can also be used in conjunction with commonly used flaw detection tools such as cotton swabs and tweezers for indirect measurement.

[0045] The advantage of this approach lies in modeling and managing grade III and IV pressure ulcers or wounds with significant tissue damage that are deep and large. However, it is not very effective for grade I and II pressure ulcers, which are shallower and have less tissue damage, and for these types of wounds, only the size and extent of redness and swelling need to be reported. Our patented measurement method, however, is simple and, when combined with a support and a mobile application, can provide convenient and quick assessment and management of grade I to IV wounds.

[0046] The support structure in this technical solution is made of 3D-printed nylon, which is low-cost and resistant to high temperatures and corrosion. It can be sterilized by immersion, autoclaving, low-temperature plasma sterilization, and ethylene oxide sterilization. The laser measuring device's transmitter / receiver parts are flat and IPX5 waterproof, allowing for wiping with disinfectants to avoid the risk of biocontamination. It is simple to operate, practical in function, and particularly suitable for clinical medical use.

[0047] For the specific implementation scheme of this embodiment, please refer to the relevant descriptions in the above embodiments, which will not be repeated here.

[0048] It is understood that the same or similar parts in the above embodiments can be referred to each other, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments.

[0049] It should be noted that in the description of this utility model, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means at least two.

[0050] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0051] This invention relates to an intelligent tool for wound assessment. Utilizing an infrared laser measuring instrument, it accurately measures the size and depth of patient wounds, avoiding errors associated with traditional ruler or square measurements and improving the accuracy of wound assessment. The tool's compact and practical stand design facilitates portability and operation without interfering with other clinical procedures performed by medical staff. Furthermore, the magnetic connection between the laser measuring device and the stand makes assembly and disassembly of the device more convenient and quick. This invention simplifies the wound assessment process through laser measurement and app recording, reducing the workload of medical staff and improving work efficiency.

[0052] In this specification, the present invention has been described with reference to specific embodiments thereof. However, it will be apparent that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, the specification and drawings should be considered illustrative rather than restrictive.

Claims

1. An intelligent tool for wound assessment, characterized in that, The tool includes a laser measuring device and a support. The support is a fan-shaped structure consisting of an arc-shaped bottom edge and two sides. Each of the two sides has a notch measuring frame on top. The fan-shaped structure has a notch at the top, which consists of an X-axis positioning ruler and a Y-axis positioning ruler. The notches on the two sides are connected to the X-axis and Y-axis positioning rulers of the notch, respectively. The support includes multiple magnetic attraction points located at both ends of the fan-shaped structure. The laser measuring device is mounted on the support through the magnetic attraction points. The X-axis and Y-axis positioning rulers of the notch are aligned with the edge of the wound. The laser measuring device is communicatively connected to a mobile device.

2. The intelligent tool for wound assessment according to claim 1, characterized in that, The laser measuring device includes a laser measuring device generating part, which is installed at the front end of the laser measuring device. When the laser measuring device is installed on the bracket, the distance between the laser measuring device generating part and the X-axis positioning ruler or Y-axis positioning ruler of the notch of the fan-shaped structure is 3cm.

3. The intelligent tool for wound assessment according to claim 1, characterized in that, The tool also includes two rulers, the sides of which are aligned with the notched measuring frame on the side of the bracket, and the top of which are aligned with the X-axis or Y-axis positioning ruler of the fan-shaped structure notch, respectively.

4. The intelligent tool for wound assessment according to claim 1, characterized in that, The tool also includes a Z-axis plate and a Z-axis fixing post. The bottom end of the fan-shaped structure has a side groove. The Z-axis fixing post is mounted on the bracket and located at the bottom edge of the side groove. The Z-axis plate is detachably mounted in the side groove. After the Z-axis plate is removed from the side groove, it can be vertically mounted on the Z-axis fixing post to form a vertical structure. The laser measuring device is vertically mounted on the Z-axis fixing post by magnetic attraction, with the laser measuring device's output part facing downwards.