Pressure alarm and monitoring device for clinical pressure wounds

Abstract

The utility model relates to a kind of pressure alarm and monitoring device of clinical pressure wound, including host computer and two mutually diagonal fixing bandage on host computer, the end of two bandages is detachably fixed each other;Host computer includes annular shell, detachable fixed ring-shaped cover plate at the annular shell top annular opening, and monitoring unit on annular shell;Monitoring unit includes inner ring gear fixed in the inside of annular shell, transposition motor fixed on the top of annular shell and located above inner ring gear, outer gear meshed on the inside tooth surface side of inner ring gear, and driving arm and transmission arm rotatably connected respectively on the top center and bottom center of outer gear;The utility model simplifies operation step to greatly improve the detection frequency, to realize long time real-time monitoring;At the same time, reduce the difficulty of use, reduce the use threshold to improve practicability;In addition, it also greatly improves accuracy to effectively prevent the generation of pressure wound.

Description

Technical Field

[0001] This utility model relates to a pressure alarm and monitoring device for clinical pressure wounds. Background Technology

[0002] Clinically, pressure wounds are injuries to the skin and subcutaneous tissues caused by prolonged pressure on local tissues, leading to impaired blood circulation. They are commonly seen in people who are bedridden, wheelchair-bound, or have limited mobility. If pressure wounds are not treated promptly and effectively, they can lead to various serious complications. Local infection is the most common problem; bacteria can easily proliferate in the wound, invade deeper tissues, and cause systemic infections such as cellulitis and sepsis, increasing the patient's mortality rate.

[0003] Preventing pressure wounds is crucial. The most common method is to change the patient's position regularly, generally turning them over every 2 hours. Pressure-reducing devices such as turning mats and air mattresses can be used to distribute body pressure and avoid continuous pressure on local tissues. However, due to differences in individual patients' physical conditions, the time and rate of development of pressure wounds vary. Some people may develop pressure wounds prematurely even with frequent turning and the use of pressure-reducing devices. Therefore, it is essential to constantly monitor the pressure on the patient's skin areas prone to pressure wounds.

[0004] However, current methods of skin pressure detection rely on visual observation and manual pressure to determine the skin condition at the pressure point. This process is cumbersome, resulting in a low detection frequency that cannot be increased, and it cannot achieve long-term real-time monitoring. Furthermore, both observation and judgment depend on extensive clinical experience, which is beyond the capabilities of the average person. The high level of difficulty and high barrier to entry makes the methods impractical. In addition, even experienced clinicians are not immune to misjudgments, leading to low accuracy and ultimately resulting in pressure wounds. Further improvements are needed. Utility Model Content

[0005] In view of the current state of the prior art, the technical problem to be solved by this utility model is to provide a pressure alarm and monitoring device for clinical pressure wounds that significantly improves the operation frequency to achieve long-term real-time monitoring, reduces the operation difficulty and lowers the operation threshold to improve practicality, and greatly improves the accuracy.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problem is as follows: a pressure alarm and monitoring device for clinical pressure wounds, comprising a main unit and two diagonally fixed straps on the main unit, the ends of the two straps being detachably fixed to each other, characterized in that: The main unit includes an annular housing, a detachable annular cover plate fixed to the annular opening at the top of the annular housing, and a monitoring unit disposed on the annular housing. The monitoring unit includes an inner gear ring fixed laterally inside the annular housing, a shifting motor fixed at the top of the annular housing and located above the inner gear ring, an external gear meshing on one side of the inner gear ring's inner tooth surface, and a drive arm and a transmission arm rotatably connected to the top center and bottom center of the external gear, respectively. The rotation shaft of the shifting motor is vertically downward and concentrically arranged with the inner gear ring and rotatably connected to the end of the drive arm. The monitoring unit also includes a base movably connected to the bottom of the annular housing to enable lateral movement, and a detection probe located inside the base. The end of the transmission arm is rotatably connected to the base.

[0007] Preferably, the detection probe includes a pin that is movably and vertically inserted into the bottom of the base to have the function of elastic up and down movement, and a distance sensor embedded inside the base and concentrically located below the upper end of the pin, wherein the sensing end of the distance sensor cooperates with the upper end of the pin.

[0008] Preferably, the monitoring unit further includes a controller and a rechargeable battery fixed inside the annular housing and electrically connected thereto. The distance sensor and the transposition motor are both electrically connected to the rechargeable battery and both are signal connected to the controller.

[0009] Preferably, the monitoring unit further includes a U-shaped bracket fixed inverted to the outside of the annular shell, and a rectangular frame sleeved and fixed to the outside of the annular shell and perpendicular to the U-shaped bracket and located inside the U-shaped bracket. The roots of the two straps are detachably fixed to the outer walls of two diagonally opposite sides of the rectangular frame or to the outer walls of both ends of the U-shaped bracket.

[0010] Preferably, the top of the rectangular frame is also connected with a vertically arranged and rotatable pin that is concentric with the internal gear ring, the end of the drive arm is fixed to the lower end of the pin, and the shifting motor is fixed to the top of the U-shaped bracket.

[0011] Preferably, the bottom of the rectangular frame is provided with a straight guide slot, and the base is movably disposed in the straight guide slot and can slide along the direction of the straight guide slot.

[0012] Preferably, the bottom of the base has a countersunk hole, the pin is vertically and movably inserted into the countersunk hole, and two vertically oriented limiting slots are provided between the inner wall of the countersunk hole and the outer wall of the base. Each of the two limiting slots is also provided with a horizontally distributed limiting pin, and the inner ends of the two limiting pins are fixed to the outer wall of the pin.

[0013] Preferably, a protrusion is formed at the center of the upper end of the pin towards the sensing end of the distance sensor. The outer diameter of the protrusion is smaller than the outer diameter of the pin. A spring is also provided between the pin and the distance sensor. The lower end of the spring is sleeved on the protrusion and pressed against the upper end of the pin. The upper end of the spring is sleeved on the distance sensor and pressed against the bottom surface of the countersunk hole.

[0014] Preferably, a plurality of vertically arranged anti-collision bars are fixed on the bottom surface of the countersunk hole and are uniformly arranged around the periphery of the distance sensor at equal angles along the circumference and are all located inside the upper end of the spring. The end of each anti-collision bar is higher than the sensing surface of the distance sensor and cooperates with the end of the protrusion.

[0015] Compared with existing technologies, the advantages of this invention are as follows: This invention can automatically detect skin pressure within a certain area, eliminating the need for manual observation and pressing to determine the skin condition at the pressure point, thus simplifying the operation steps and significantly increasing the detection frequency, thereby achieving long-term real-time monitoring; at the same time, detection, calculation, and alarm are all completed automatically and quickly, allowing even personnel lacking long-term clinical experience to use it proficiently, thereby reducing the difficulty of operation, lowering the operational threshold, and improving practicality; in addition, it greatly improves accuracy to effectively prevent the formation of pressure wounds. Attached Figure Description

[0016] The above and other features, advantages, and aspects of the embodiments of this application will become more apparent when taken in conjunction with the accompanying drawings and the following detailed description; throughout the drawings, the same or similar reference numerals denote the same or similar elements; it should be understood that the drawings are schematic, and the originals and elements are not necessarily drawn to scale; in the drawings: Figure 1 This is an exploded top view of the present invention; Figure 2 This is a top-side structural diagram of the present invention; Figure 3 This is a side view cross-sectional structural diagram of the detection probe of this utility model. Detailed Implementation

[0017] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0018] To keep the following description of the embodiments of this utility model clear and concise, detailed descriptions of known functions and known components are omitted.

[0019] like Figures 1-3 As shown, a pressure alarm and monitoring device for clinical pressure wounds includes a main unit 1 and two diagonally opposite straps 2 fixed to the main unit 1, the ends of the two straps 2 being detachably fixed to each other. The main unit 1 includes an annular housing 11, a detachable annular cover plate 12 fixed to the annular opening at the top of the annular housing 11, and a monitoring unit disposed on the annular housing. The monitoring unit includes an internal gear ring 18 that is horizontally fixed inside the annular housing 11, a shifting motor 16 that is fixed on the top of the annular housing 11 and located above the internal gear ring 18, an external gear 19 that meshes with one side of the internal tooth surface of the internal gear ring 18, and a drive arm 110 and a transmission arm 112 that are rotatably connected to the top center and bottom center of the external gear 19, respectively. The rotation shaft of the shifting motor 16 is vertically downward and concentrically arranged with the internal gear ring 18 and rotatably connected to the end of the drive arm 110. The monitoring unit also includes a base 113 movably connected to the bottom of the annular housing 11 to enable lateral movement, and a detection probe 114 disposed inside the base 113. The end of the transmission arm 112 is rotatably connected to the base 113.

[0020] The detection probe 114 includes a pin 1141 that is movably and vertically inserted into the bottom of the base 113 to have the function of elastic up and down movement, and a distance sensor 1142 that is embedded inside the base 113 and concentrically located below the upper end of the pin 1141. The sensing end of the distance sensor 1142 cooperates with the upper end of the pin 1141.

[0021] The monitoring unit also includes a controller 13 and a rechargeable battery 14 that are fixed inside the annular housing 11 and electrically connected. The distance sensor 1142 and the transposition motor 16 are both electrically connected to the rechargeable battery 14 and are both signal connected to the controller 13.

[0022] The monitoring unit also includes a U-shaped bracket 15 that is inverted and fixed to the outside of the annular housing 11, and a rectangular frame 17 that is sleeved and fixed to the outside of the annular housing 11 and perpendicular to the U-shaped bracket 15 and located inside the U-shaped bracket 15. The roots of the two straps 2 are detachably fixed to the outer walls of the two diagonally opposite sides of the rectangular frame 17 or to the outer walls of the two ends of the U-shaped bracket 15.

[0023] The top of the rectangular frame 17 is also connected to a vertically arranged and rotatable pin 111 that is concentric with the internal gear ring 18. The end of the drive arm 110 is fixed to the lower end of the pin 111, and the shifting motor 16 is fixed to the top of the U-shaped bracket 15.

[0024] The bottom of the rectangular frame 17 is provided with a linear guide slot 171, and the base 113 is movably disposed in the linear guide slot 171 and can slide along the direction of the linear guide slot 171.

[0025] The bottom of the base 113 has a countersunk hole 1131. The pin 1141 is vertically and movably inserted into the countersunk hole 1131. There are two vertically oriented and diagonally distributed limiting slots 1132 between the inner wall of the countersunk hole 1131 and the outer wall of the base 113. Each of the two limiting slots 1132 is also provided with a horizontally distributed limiting pin 1145. The inner ends of the two limiting pins 1145 are fixed on the outer wall of the pin 1141.

[0026] A protrusion 11451 is formed at the center of the upper end of the pin 1141 toward the sensing end of the distance sensor 1142. The outer diameter of the protrusion 11451 is smaller than the outer diameter of the pin 1141. A spring 1143 is also provided between the pin 1141 and the distance sensor 1142. The lower end of the spring 1143 is sleeved on the outside of the protrusion 11451 and pressed against the upper end of the pin 1141. The upper end of the spring 1143 is sleeved on the outside of the distance sensor 1142 and pressed against the bottom surface of the countersunk hole 1131.

[0027] On the bottom surface of the countersunk hole 1131, there are also a number of vertically arranged anti-collision bars 1144 that are uniformly arranged around the periphery of the distance sensor 1142 at equal angles along the circumference and are all located inside the upper end of the spring 1143. The end of each anti-collision bar 1144 is higher than the sensing surface of the distance sensor 1142 and cooperates with the end of the protrusion 11451.

[0028] The lower end of the pin 1141 has a hemispherical surface 11412.

[0029] On the rectangular frame 17, a first connecting slot 172 is opened on each of the two diagonally opposite outer walls. On the outer walls of both ends of the U-shaped bracket 15, a second connecting slot 152 is opened on each of the two ends. The roots of the two straps 2 are detachably fixed in the two first connecting slots 172 or the two second connecting slots 152, respectively.

[0030] Several switches 115 are also embedded on the outer wall of the base 113.

[0031] Working principle: Depending on the extent and direction of the wound, the roots of the two straps 2 are fixed to the rectangular frame 17 or the U-shaped bracket 15 so that the direction of the straight guide slot 171 is roughly the same as the direction of the wound. Then, the ends of the two straps 2 are fixed to each other so that the present invention is fixed on the human body and the detection probe 114 is distributed downward toward the wound. Then, the two ends of the U-shaped bracket 15 are supported on the human skin, and the top of the base 113 slides against the human skin. Then, the upper end of the pin 1141 is pressed into the countersunk hole 1131 by the skin and the spring 1143 is compressed.

[0032] First, connect the controller 13 to the external display device. Then, connect the controller 13 to the rechargeable battery 14 via one of the switches 115. Pressing the switch 115 will start the controller 13. Next, connect the distance sensor 1142 to the rechargeable battery 14 via one of the switches 115. Pressing the switch 115 will power on the distance sensor 1142. After the distance sensor 1142 is powered on, its sensing end will automatically detect the distance between itself and the end face of the protrusion 11451. The distance value will then be converted into a data signal and transmitted to the controller 13. After receiving the data signal, the controller 13 will process and calculate it to obtain the pressure value at the position of the upper end of the pin 1141. The pressure value will then be converted into a signal and transmitted to the external display device. The external display device will then display the pressure value for medical personnel to view. The above principles are all existing technologies.

[0033] Next, the shift motor 16 is electrically connected to the rechargeable battery 14 via one of the switches 115. Pressing the switch 115 will power on the shift motor 16. After the shift motor 16 is powered on, its rotating shaft will drive the end of the drive arm 110 to swing circumferentially, thereby driving the external gear 19 to revolve in the internal gear ring 18. At the same time, the external gear 19 will rotate on its own axis. The rotation of the external gear 19 will then drive the transmission arm 112 to swing circumferentially, thereby driving the base 113 to move back and forth along the linear guide slot 171, thereby driving the detection probe 114 to move back and forth along the wound skin, thereby causing the upper end of the pin 1141 to move synchronously on the wound skin.

[0034] Because the wound surface will fluctuate due to pressure, the upper end of the pin 1141 will always slide and adhere to the wound skin under the rebound force of the spring 1143. When the wound skin fluctuates due to pressure, the pin 1141 will move accordingly in the countersunk hole 1131, and the distance between the end face of the protrusion 11451 and the sensing end of the distance sensor 1142 will also change constantly, thus realizing long-term monitoring. When the distance between the end face of the protrusion 11451 and the sensing end of the distance sensor 1142 is too small, it indicates that the pressure in the wound is too large. The controller 13 recognizes the abnormal signal from the distance sensor 1142 and transmits this signal to the external display device, which will then issue an alarm.

[0035] The anti-collision bar 1144 can effectively prevent the end of the protrusion 11451 from directly impacting the distance sensor 1142 due to excessive movement, thereby protecting the distance sensor 1142.

[0036] This invention can automatically detect skin pressure within a certain area, eliminating the need for manual observation and pressure to determine the skin condition at the pressure point. This simplifies the operation and significantly increases the detection frequency, enabling long-term real-time monitoring. Furthermore, detection, calculation, and alarm functions are all completed automatically and quickly, allowing even those lacking extensive clinical experience to use it proficiently. This reduces operational difficulty and lowers the barrier to entry, enhancing practicality. In addition, it greatly improves accuracy, effectively preventing the formation of pressure wounds.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A pressure alarm and monitoring device for clinical pressure wounds, comprising a main unit and two diagonally opposite straps fixed to the main unit, the ends of the two straps being detachably fixed to each other, characterized in that: The main unit includes an annular housing, a detachable annular cover plate fixed to the annular opening at the top of the annular housing, and a monitoring unit disposed on the annular housing. The monitoring unit includes an inner gear ring fixed laterally inside the annular housing, a shifting motor fixed at the top of the annular housing and located above the inner gear ring, an external gear meshing on one side of the inner gear ring's inner tooth surface, and a drive arm and a transmission arm rotatably connected to the top center and bottom center of the external gear, respectively. The rotation shaft of the shifting motor is vertically downward and concentrically arranged with the inner gear ring and rotatably connected to the end of the drive arm. The monitoring unit also includes a base movably connected to the bottom of the annular housing to enable lateral movement, and a detection probe located inside the base. The end of the transmission arm is rotatably connected to the base.

2. The pressure alarm and monitoring device for clinical pressure wounds according to claim 1, characterized in that, The detection probe includes a pin that is movably and vertically inserted into the bottom of the base to have the function of elastic up and down movement, and a distance sensor embedded inside the base and concentrically located below the upper end of the pin. The sensing end of the distance sensor cooperates with the upper end of the pin.

3. The pressure alarm and monitoring device for clinical pressure wounds according to claim 2, characterized in that, The monitoring unit also includes a controller and a rechargeable battery fixed inside the annular housing and electrically connected. The distance sensor and the transposition motor are both electrically connected to the rechargeable battery and signal connected to the controller.

4. The pressure alarm and monitoring device for clinical pressure wounds according to claim 1, characterized in that, The monitoring unit also includes a U-shaped bracket fixed inverted to the outside of the annular shell, and a rectangular frame sleeved and fixed to the outside of the annular shell, perpendicular to the U-shaped bracket and located inside the U-shaped bracket. The roots of the two straps are detachably fixed to the outer walls of two diagonally opposite sides of the rectangular frame or to the outer walls of both ends of the U-shaped bracket.

5. The pressure alarm and monitoring device for clinical pressure wounds according to claim 4, characterized in that, The top of the rectangular frame is also connected with a vertically arranged and rotatable pin that is concentric with the internal gear ring. The end of the drive arm is fixed to the lower end of the pin, and the shifting motor is fixed to the top of the U-shaped bracket.

6. The pressure alarm and monitoring device for clinical pressure wounds according to claim 5, characterized in that, The bottom of the rectangular frame is provided with a straight guide slot, and the base is movably disposed in the straight guide slot and can slide along the direction of the straight guide slot.

7. The pressure alarm and monitoring device for clinical pressure wounds according to claim 2, characterized in that, The base has a countersunk hole at its bottom. The pin is vertically inserted into the countersunk hole. Two vertically oriented and diagonally distributed limiting slots are formed between the inner wall of the countersunk hole and the outer wall of the base. Each of the two limiting slots is also provided with a horizontally distributed limiting pin. The inner ends of the two limiting pins are fixed to the outer wall of the pin.

8. The pressure alarm and monitoring device for clinical pressure wounds according to claim 7, characterized in that, The upper center of the pin has a protrusion forming towards the sensing end of the distance sensor. The outer diameter of the protrusion is smaller than the outer diameter of the pin. A spring is also provided between the pin and the distance sensor. The lower end of the spring is sleeved on the protrusion and pressed against the upper end of the pin. The upper end of the spring is sleeved on the distance sensor and pressed against the bottom surface of the countersunk hole.

9. The pressure alarm and monitoring device for clinical pressure wounds according to claim 8, characterized in that, Multiple anti-collision bars are also fixed on the bottom surface of the countersunk hole. They are vertically arranged and uniformly surrounded around the distance sensor at equal angles along the circumference and are all located inside the upper end of the spring. The end of each anti-collision bar is higher than the sensing surface of the distance sensor and cooperates with the end of the protrusion.

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