Multi-modal constraint system

Abstract

The invention relates to a multi-mode restraint system which comprises a restraint bed sheet which is flatly laid on a sickbed of an ICU patient, a hand restraint unit is placed on the restraint bed sheet, palms of the ICU patient are placed on the hand restraint unit to conduct restraint and unrestraint on the palms, and an arm restraint unit and the hand restraint unit are connected into a whole. The arms of an ICU patient are placed on the arm restraining unit and restrained and unrestrained, the shank restraining unit is placed on a restraining bed sheet, the shanks are placed on the shank restraining unit and can be restrained and unrestrained, and the monitoring module comprises various sensors and is used for monitoring heart rate, blood oxygen and body movement data of the ICU patient. According to the constraint device, vital signs are monitored in real time through the multi-mode biosensor, dynamic grading constraint is achieved in combination with a fuzzy control algorithm, and the unplanned extubation rate can be remarkably reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of medical restraint devices, and specifically to a multimodal restraint system. Background Art

[0002] In modern intensive care units (ICUs), the use of life support tubes such as mechanical ventilation, central venous catheterization, and nasogastric tubes has become an important means of saving patients' lives. However, clinical data shows that the incidence of self-extubation among ICU patients is very high, and a large part of the extubation events occur at night. Such unplanned extubations (UEX) may not only lead to the deterioration of the patient's condition and the prolongation of the hospital stay, but also may trigger medical disputes. Traditional restraint devices have significant limitations: firstly, the restraint method is single, and the commonly used four-limb fixation belts can only achieve static restraint and cannot be dynamically adjusted according to the patient's consciousness state; secondly, the monitoring means lags behind, relying on manual inspections (once every 1.2 hours on average), making it difficult to capture sudden agitation; thirdly, there is a lack of human-computer interaction and a lack of real-time monitoring of the patient's physiological indicators (heart rate, blood oxygen, body movement); fourthly, the risk of complications is high, and the incidence of skin damage caused by traditional restraint is high, and the risk of muscle atrophy increases; therefore, there is an urgent need to propose a restraint device that can adjust the restraint strength while ensuring the convenience of medical operations, which can reduce the risk of unplanned extubation and at the same time reduce the incidence of restraint-related complications to a relatively low level. Summary of the Invention

[0003] In view of the above-mentioned disadvantages of the prior art, a multimodal restraint system is provided, which can reduce the risk of unplanned extubation and at the same time reduce the incidence of restraint-related complications to a relatively low level.

[0004] To achieve the above object and other related objects, the present invention proposes a multimodal restraint system, including: A restraint sheet, laid flat on the hospital bed of an ICU patient; A hand restraint unit, placed on the restraint sheet, and the palm of the ICU patient is placed on the hand restraint unit, which can implement the restraint and release of the palm; An arm restraint unit, connected to the hand restraint unit as a whole, the arm of the ICU patient is placed on the arm restraint unit, and the restraint and release of the arm can be implemented; A calf restraint unit, placed on the restraint sheet, and the calf of the ICU patient is placed on the calf restraint unit, which can implement the restraint and release of the calf; A monitoring module, including a variety of sensors, for monitoring the heart rate, blood oxygen, and body movement data of the ICU patient, and sending them to the control unit, and the control unit is used to control the start and stop of the hand restraint unit, the arm restraint unit, and the calf restraint unit.

[0005] In one embodiment of the present invention, the hand restraint unit includes a placement board and a restraint airbag. The ICU patient holds the restraint airbag and places it on the placement board.

[0006] In one embodiment of the present invention, at least four groups of finger airbags are provided on the restraint airbag. The four groups of finger airbags respectively extend between the toe webs of the palm. Tightening lines are respectively provided on the four groups of finger airbags. The tightening lines are connected to a tightening unit. The tightening unit is provided on the placement board and stretches the finger airbags to extend between the toe webs of the palm.

[0007] In one embodiment of the present invention, the placement board is integrally in an arc shape, and an extension finger board for placing fingers is provided at one end. A wire passing tube is provided on the lower board surface of the placement board. The tightening line extends into the wire passing tube. The tightening unit includes a tightening roller. The tightening roller is horizontally arranged and connected to a tightening motor. One end of the tightening line is connected to the tightening roller.

[0008] In one embodiment of the present invention, support arc strips are also spacedly provided on the lower board surface of the placement board. Multiple groups of support arc strips are spacedly provided along the length direction of the placement board.

[0009] In one embodiment of the present invention, the arm restraint unit includes an arm placement board. One end of the arm placement board is connected to one end of the placement board. Restraint airbags are provided on both sides of the arm placement board. The restraint airbags and the arm placement board form a card slot. When the restraint airbags are inflated, the restraint airbags extend above the arm to form a restraint on the arm.

[0010] In one embodiment of the present invention, the calf restraint unit includes two groups of restraint groove boards. Restraint air columns are provided on both sides of the restraint groove boards. The restraint air columns are arranged along the length direction of the restraint groove boards. The restraint air columns have two states. One is: moving above the notch of the restraint groove board to implement restraint on the upper side of the calf; the other is: moving to the bottom of the restraint groove board to implement release of the restraint on the calf.

[0011] In one embodiment of the present invention, a receiving opening is provided on the restraint groove board. A rotating arm is provided in the receiving opening. The restraint air column is fixed at one end of the rotating arm. The other end of the rotating arm is rotatably provided in the receiving opening. The rotating shaft of the rotating arm is connected to a rotating motor.

[0012] In one embodiment of the present invention, a hook surface of a magic tape is provided on the restraint sheet. The hook surface of the magic tape is rectangular. A loop surface of the magic tape is provided below the restraint groove board. The loop surface of the magic tape is fixed on the hook surface of the magic tape.

[0013] By adopting the above technical solutions, the technical effects of the present utility model are as follows: The intelligent restraint device for ICU patients monitors vital signs in real time through multimodal biosensors, and realizes dynamic hierarchical restraint by combining fuzzy control algorithms, which can significantly reduce the unplanned extubation rate; its three-point linkage restraint structure disperses limb pressure, and cooperates with a silicone inner lining and an automatically inflatable airbag to significantly reduce the skin injury rate; the device supports intelligent linkage with medical equipment, automatically avoids treatment operation conflicts, and can also realize remote monitoring through the family member APP. This device can shorten the daily restraint management time of nurses, and at the same time establish a patient restraint database to support the accuracy rate of AI prediction of extubation risk. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic structural diagram of a restraint sheet in an embodiment of the present invention; Figure 2 It is a schematic plan view of a multimodal restraint system in an embodiment of the present invention; Figure 3 and Figure 4 They are respectively schematic structural diagrams of two perspectives of a hand restraint unit and an arm restraint unit of a multimodal restraint system in an embodiment of the present invention; Figure 5 It is a schematic plan view of a hand restraint unit and an arm restraint unit of a multimodal restraint system in an embodiment of the present invention; Figure 6 It is a schematic plan view of a hand restraint unit and an arm restraint unit of a multimodal restraint system in an embodiment of the present invention; Figure 7 It is a left view of a hand restraint unit and an arm restraint unit of a multimodal restraint system in an embodiment of the present invention; Figure 8 It is a schematic structural diagram of a restraint airbag in an embodiment of the invention; Figure 9 It is a schematic diagram of a restraint airbag located on the palm of an ICU patient in an embodiment of the invention; Figure 10 It is a schematic plan view of the palm and arm of an ICU patient placed on a hand restraint unit and an arm restraint unit in an embodiment of the invention; Figure 11 and Figure 12Schematic diagrams of two perspectives of the calf restraint unit invented in an embodiment respectively; Figure 13 Control logic block diagram invented in an embodiment; Figure 14 Block diagram of an electronic device invented in an embodiment; Figure 15 Schematic diagram of the bedside electronic display screen invented in an embodiment; Detailed implementation manners

[0016] The following uses specific specific examples to illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

[0017] It should be noted that the diagrams provided in this embodiment only illustrate the basic concept of the present invention in a schematic manner. Therefore, only the components related to the present invention are shown in the diagrams, rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and ratio of each component in actual implementation can be arbitrarily changed, and the component layout type may also be more complex.

[0018] Traditional restraint devices have significant limitations: Firstly, the restraint methods are single. The commonly used four-limb fixation belts can only achieve static restraint and cannot be dynamically adjusted according to the patient's consciousness state. Secondly, the monitoring means are lagging. Relying on manual rounds (once every 1.2 hours on average), it is difficult to capture sudden restlessness. Thirdly, there is a lack of human-computer interaction and real-time monitoring of the patient's physiological indicators (heart rate, blood oxygen, body movement). Fourthly, the risk of complications is high. The skin injury incidence rate caused by traditional restraint is high, and the risk of muscle atrophy increases. Therefore, there is an urgent need to propose a restraint device that can adjust the restraint strength while ensuring the convenience of medical operations. This solution can reduce the risk of unplanned extubation and at the same time reduce the incidence rate of restraint-related complications to a relatively low level. For this, a multi-modal restraint system is proposed, including: a restraint sheet 10, laid flat on the ICU patient's hospital bed; a hand restraint unit 20, placed on the restraint sheet 10, and the palm of the ICU patient is placed on the hand restraint unit 20, which can implement restraint and release of the palm; an arm restraint unit 30, connected to the hand restraint unit 20 as a whole, the arm of the ICU patient is placed on the arm restraint unit 30, and can implement restraint and release of the arm; a calf restraint unit 40, placed on the restraint sheet 10, and the calf of the ICU patient is placed on the calf restraint unit 40, which can implement restraint and release of the calf; a monitoring module, containing a variety of sensors, used to monitor the heart rate, blood oxygen, and body movement data of the ICU patient, and send them to the control unit, and the control unit is used to control the start and stop of the hand restraint unit 20, the arm restraint unit 30, and the calf restraint unit 40.

[0019] In one embodiment, referring to Figure 2 , the hand restraint unit 20, the arm restraint unit 30, and the calf restraint unit 40 are respectively placed in different areas of the restraint sheet 10. The ICU patient lies flat on the restraint sheet 10 in a supine position. The two arms and palms are respectively placed on the hand restraint unit 20 and the arm restraint unit 30, and the calves of both legs are located on the calf restraint unit 40. Furthermore, according to the patient's situation, the start or stop of the three types of restraint of the device can be controlled. Once the patient shows restlessness and other emotions, by starting the above three groups of restraint units, the restraint of the patient's palm, arm, and calf can be implemented, alleviating the patient's restlessness and avoiding problems such as extubation.

[0020] In one embodiment, the monitoring module can be a patch-type sensor, which can be a human body monitoring sensor such as a pulse sensor, a heart rate sensor, a blood sample sensor, etc., to obtain the patient's state, including characteristics such as blood pressure, blood oxygen saturation, heartbeat, and heart rate, so as to judge whether the ICU patient shows restlessness.

[0021] In one embodiment, the monitoring module can be a multimodal monitoring module based on electroencephalogram (EEG) sensors, electrooculogram (EOG) sensors, and body movement sensors. Each of the above modules can be attached to the patient's body or placed on the hospital bed to remotely collect various characteristics of ICU patients, such as body posture and emotion, so as to more accurately obtain whether the ICU patient has extubated.

[0022] In one embodiment, the above monitoring module can embed the monitoring data into the AI platform, and the AI platform judges the data to control the start and stop, restraint intensity, and restraint time of the above different types of restraint units through the control unit. The AI platform can be an existing AI architecture.

[0023] In one embodiment, the restraint device of the present invention assists in building a multimodal information platform. The multimodal body restraint auxiliary decision-making information platform performs body restraint level evaluation and clinical nursing decision-making based on an existing mature AI platform.

[0024] In one embodiment, the auxiliary multimodal information platform further includes an AI voice intercom function. The AI voice intercom module can collect the pitch, loudness, and timbre of the patient's intercom voice to comprehensively judge the patient's condition.

[0025] In a specific embodiment, the restraint level may include levels 0-5 to match different levels of nursing decisions. The intelligent assessment results are automatically synchronized to the medical and nursing information platform and the index monitoring platform. The intelligent platform automatically assesses on time and pops up a reminder of the assessment results and nursing decisions. Determine the content of the physical restraint assessment scale and embed it in the information platform: Collect domestic and foreign physical restraint assessment scales, compare the similarities and differences in the form of an expert meeting, find out the assessment scale more suitable for patients in the neurosurgical ICU, and formulate relevant assessment items. Guided by the physical restraint management theory including restraint decision-making wheel, level assessment, and interference with treatment plans, conduct restraint assessment according to the "Graded Physical Restraint Assessment Scale for Neurological Critical Patients", and divide the physical restraint level into six levels of 0-5. Develop restraint and alternative restraint measures and embed them in the information platform: Level 1 restraint - use a single alternative measure (hand grip strength ball, bedsheet blocking method), with a light blue sign on the bedside electronic display screen; Level 2 restraint - use three different types of restraint units in the present invention, with a dark blue sign on the bedside electronic display screen; Level 3 restraint - use a single physical restraint plus traditional Chinese medicine characteristic alternative restraint measures. The physical restraint tool can include one of the above three groups of restraint units, and can also include knee or chest restraint belts. Use auricular point pressing twice a day and continuously apply a medicinal fragrant pillow to improve the patient's sleep, with a purple sign on the bedside electronic display screen; Level 4 restraint - use a medical alternative restraint unit plus a physical restraint tool plus traditional Chinese medicine characteristic alternative restraint measures, and use wrist-ankle acupuncture for preventive pain intervention, with a yellow sign on the bedside electronic display screen; Level 5 restraint - use the above three restraint units plus traditional Chinese medicine characteristic alternative restraint measures, and use indirect moxibustion nursing to prevent hiccups. Make a medicinal cake by mixing butter with calming, qi-regulating and nourishing effects as an adhesive, apply it to the Shenque acupoint, Zhongwan acupoint, and Zusanli acupoint, and use moxa stick moxibustion to roast at a distance of 2-3 cm from the medicinal cake, with a red sign on the bedside electronic display screen (see Figure 1 ). Voice intelligent pop-up reminder on the information platform: For level 0, the intelligent pop-up reminder assesses once every 12 hours, for levels 1 and 2, the intelligent pop-up reminder assesses once every 8 hours, and for levels 3, 4, and 5, the intelligent pop-up reminder assesses once every 2 hours.

[0026] The multimodal physical restraint assisted decision-making information platform is an information sharing platform that is compatible with the HISS and NIS electronic medical record systems. It can achieve patient data sharing and automatic capture. The supporting iFlytek voice input and playback functions can realize paperless office and voice reminder functions. Taking the patient's admission to the ward as the starting point for data collection, the restraint assessment is carried out according to the "Classification Physical Restraint Assessment Scale for Neurological Critical Patients". The physical restraint level is divided into six levels from 0 to 5. Then, according to the matching restraint measures, the restraint level and measures are reminded by voice pop-up window, and a visual simulation restraint atlas is automatically generated. Nurses can click on the screen or confirm the restraint level and measures by voice. If the patient's indicators change, the management system will re-perform statistical analysis and give reminders in the form of voice and reminder boxes, and automatically switch the restraint level reminder on the bedside electronic display screen. Refer to Figure 15 ,。

[0027] Refer to Figure 13 , each module or each step of the present invention described above can be implemented by a general computing system. They can be concentrated on a single computing system or distributed on a network composed of multiple computing systems. Optionally, they can be implemented by program codes executable by the computing system. Thus, they can be stored in the storage system and executed by the computing system, or they can be made into individual integrated circuit modules respectively, or multiple modules or steps among them can be made into a single integrated circuit module to implement. In this way, the present invention is not limited to any specific combination of hardware and software.

[0028] Furthermore, the background control module applied in the present invention is actually an electronic device. Refer to Figure 14 , which includes: a processor; a memory for storing instructions executable by the processor; wherein, the processor is configured to implement the restraint decision-making method based on the physical restraint decision model when executing the executable instructions.

[0029] The electronic device in the embodiment of the present disclosure includes a processor and a memory for storing instructions executable by the processor. Among them, the processor is configured to implement the restraint decision-making method based on the physical restraint decision model described in any one of the foregoing when executing the executable instructions. Here, it should be noted that the number of processors can be one or more. At the same time, in the electronic device of the embodiment of the present disclosure, an input system and an output system can also be included. Among them, the processor, the memory, the input system and the output system can be connected through a bus or in other ways, which is not specifically limited here. The memory, as a computer-readable storage medium, can be used to store software programs, computer-executable programs and various modules, such as: the program or module corresponding to the restraint decision-making method based on the physical restraint decision model in the embodiment of the present disclosure. The processor executes various functional applications and data processing of the electronic device by running the software programs or modules stored in the memory.

[0030] The input system can be used to receive input numbers or signals. Among them, the signal can be a key signal related to the user settings and function control of the device / terminal / server. The output system can include a display device such as a display screen.

[0031] The constraint device of the present invention will be introduced in detail below: In one embodiment, the hand constraint unit 20 includes a placement board 21 and a constraint airbag 22. The ICU patient holds the constraint airbag 22 and places it on the placement board 21.

[0032] In one embodiment, referring to Figure 3 and Figure 4 , when actually constraining and releasing the constraint on the patient's palm, the palm of the ICU patient is placed on the placement board 21. Gas can be introduced into the constraint airbag 22 through the inflation unit, so that the constraint airbag 22 expands, and then the palm of the patient can be constrained in real time to avoid the palm grasping each pipeline.

[0033] In one embodiment, at least 4 groups of finger airbags 221 are arranged on the constraint airbag 22. The 4 groups of finger airbags 221 respectively extend into the interdigital webs of the palm. Tightening wires 222 are respectively arranged on the 4 groups of finger airbags 221. The tightening wires 222 are connected to a tightening unit. The tightening unit is arranged on the placement board 21 and stretches the finger airbags 221 to extend into the interdigital webs of the palm.

[0034] In one embodiment, referring to Figure 8 and Figure 9 , 4 groups of finger airbags 221 are arranged around the constraint airbag 22, and the 4 groups of finger airbags 221 can extend into the interdigital webs of the palm. When the monitoring module monitors that the ICU patient shows restlessness or involuntary hand-grabbing behavior, gas is introduced into the constraint airbag 22 and the 4 groups of finger airbags 221 through the inflation unit. By starting the tightening unit, the 4 groups of finger airbags 221 can be stretched into the interdigital webs of the palm to implement the constraint on the palm of the ICU patient and avoid the ICU patient from making random grasping behaviors.

[0035] In one embodiment, referring to Figure 6 , the placement board 21 is integrally in an arc shape, and an extension finger board 211 for placing fingers is arranged at one end. A wire threading tube 212 is arranged on the lower plate surface of the placement board 21. The tightening wire 222 extends into the wire threading tube 212. The tightening unit includes a tightening roller 23. The tightening roller 23 is horizontally arranged and connected to a tightening motor 25. One end of the tightening wire 222 is connected to the tightening roller 23.

[0036] In one embodiment, the upper surface profile of the placement board 21 basically conforms to the profile of the palm, and the comfort of the palm of the ICU patient placed on the placement board 21 is higher.

[0037] When the monitoring module detects an abnormal situation, the control module controls the tightening motor 25 to start, so that the tightening roller 23 rotates, and then the tightening wire 222 in the wire conduit 212 is tightened, so that the finger airbag 221 stretches to extend between the toes of the palm, so as to implement the overall restraint of the patient's palm and avoid random grasping.

[0038] In one embodiment, the extension finger board 211 is integrally arc-shaped and has a card slot cross-section, which can implement the restraint of the patient's fingers and avoid random movement of the fingers.

[0039] In one embodiment, in order to support the patient's palm and arm, support arc-shaped strips 24 are also spacedly arranged on the lower surface of the placement board 21, and multiple groups of the support arc-shaped strips 24 are spacedly arranged along the length direction of the placement board 21.

[0040] Refer to Figure 3 and Figure 4 The support arc-shaped strips 24 also spacedly arranged on the lower surface of the placement board 21 can make the entire placement board 21 be placed on the restraint sheet 10 in a "cradle" style, so the comfort of palm placement can be significantly improved.

[0041] In one embodiment, in order to restrain the arm of the ICU patient and further increase the restraint ability of the ICU patient, the arm restraint unit 30 includes an arm placement board 31. One end of the arm placement board 31 is connected to one end of the placement board 21. Constraint airbags 32 are arranged on both sides of the arm placement board 31. The constraint airbags 32 and the arm placement board 31 form a card slot, and when the constraint airbags 32 are inflated, the constraint airbags 32 extend above the arm to form a restraint on the arm.

[0042] In one embodiment, the constraint airbags 32 are integrally strip-shaped and are arranged along the length direction on both sides of the arm placement board 31. When the inflation unit inflates the constraint airbags 32, the constraint airbags 32 on both sides deform towards the center of the arm placement board 31, so that a groove plate structure in a closed-mouth shape is formed on the arm placement board 31, so the further restraint on the patient's arm can be significantly improved.

[0043] When the constraint airbags 32 deflate, the arm placement board 31 presents an open state, so the patient can be placed on the arm placement board 31 at will to avoid discomfort of the ICU patient caused by the sense of restraint.

[0044] In one embodiment, refer to Figure 11 and Figure 12, for implementing the restraint of the calves of ICU patients, the calf restraint unit 40 includes two groups of restraint groove plates 41. Constraint air columns 42 are arranged on both sides of the restraint groove plates 41. The constraint air columns 42 are arranged along the length direction of the restraint groove plates 41. The constraint air columns 42 present two states. One is: moving above the notch of the restraint groove plate 41 to implement the restraint on the upper side of the calf; the other is: moving to the bottom of the restraint groove plate 41 to implement the release of the restraint on the calf.

[0045] In one embodiment, the patient lies flat on the restraint sheet 10, and the calves are clamped in the restraint groove plates 41. When it is necessary to further improve the restraint level of the patient, the above-mentioned constraint air columns 42 are controlled by the control unit to move above the notch of the restraint groove plate 41 to implement the restraint on the upper side of the calf. When moving to the bottom of the restraint groove plate 41, it does not affect the normal lifting or putting in of the patient's calves from the restraint groove plates 41.

[0046] In one embodiment, the restraint groove plates 41 are made of high-elastic sponge, which can enhance comfort. And after the calves of ICU patients are placed on the restraint groove plates 41, the heels can be lifted to avoid the problem of heel pressure sores caused by long-term bed rest.

[0047] In one embodiment, a receiving opening 411 is provided on the restraint groove plate 41. A rotating arm 43 is arranged in the receiving opening 411. The constraint air column 42 is fixed at one end of the rotating arm 43. The other end of the rotating arm 43 is rotatably arranged in the receiving opening 411. The rotating shaft of the rotating arm 43 is connected to a rotating motor 44.

[0048] To conveniently adjust the distance between the two groups of restraint groove plates 41 to adapt to the use of different patients, a hook-and-loop fastener rough surface 11 is provided on the restraint sheet 10. The hook-and-loop fastener rough surface 11 is rectangular. A hook-and-loop fastener hook surface 412 is provided below the restraint groove plate 41. The hook-and-loop fastener hook surface 412 is fixed on the hook-and-loop fastener rough surface 11.

[0049] The two groups of restraint groove plates 41 can be fixedly pasted on the rough surface 11 on the restraint sheet 10 through the hook-and-loop fastener hook surface 412, which is convenient for adjusting the position.

[0050] Based on the real-time monitoring data of multi-modal biosensors (heart rate, blood oxygen, body movement, electroencephalogram signal, eye movement tracking), the present invention realizes multi-level dynamic adjustment of the restraint force through a fuzzy control algorithm; when the body movement frequency > 20 times / hour or the heart rate variability > 15%, the enhanced restraint mode is automatically triggered, and the response time < 3 seconds.

[0051] Adopt a three-point linkage restraint structure of hand + arm + calf, which can disperse more than 85% of the limb pressure (the pressure concentration of traditional single-point restraint reaches 120 mmHg); when it is monitored that the patient's body movement is less than 5 times in 5 consecutive minutes and the vital signs are stable, 30% of the restraint force is automatically released; adopt a medical silicone lining + memory foam sandwich structure, combined with an airbag system that automatically inflates alternately every 2 hours, and control the contact pressure below 32 mmHg (the industry safety threshold is 40 mmHg); built-in temperature and humidity sensors, and automatically start the local ventilation function when the skin surface humidity > 75%; this device supports protocol docking with devices such as bedside monitors and ventilators, and can automatically identify the treatment operation status (such as pausing restraint during sputum suction); establish a restraint intensity - treatment operation conflict matrix to realize automatic switching of restraint strategies in 12 treatment scenarios; integrate a patient perception feedback system, and collect the patient's comfort score (0-10 points) in real time through a pressure sensor array.

[0052] This invention also supports the family member APP to view the restraint status in real time, and can be remotely unlocked through two-factor authentication in case of emergency; establish an ICU patient restraint database to record 28 parameters such as restraint duration, intensity, and complications; support AI model training, and the accuracy rate of predicting the risk of unplanned extubation reaches 89.7% (the traditional manual assessment is only 62.3%); this device has been clinically verified, which can reduce the unplanned extubation rate from 18.2% to 8.7%, and the incidence rate of restraint-related skin injuries from 15.3% to 4.1%, while shortening the daily restraint management time of nurses by 40 minutes / bed.

[0053] The above description is only the preferred embodiment of this application and the explanation of the applied technical principles. Those skilled in the art should understand that the scope involved in this application is not limited to the technical solution formed by the specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, such as the technical solutions formed by mutually replacing the above features with the (but not limited to) technical features with similar functions disclosed in this application.

[0054] Except for the technical features described in the specification, the remaining technical features are known technologies to those skilled in the art. To highlight the innovative features of the present invention, the remaining technical features are not described in detail here.

Claims

1. A multimodal constraint system, characterized in that: include: A restraint sheet (10) is laid flat on the bed of the ICU patient; A hand restraint unit (20) is placed on the restraint bed sheet (10), and the palm of the ICU patient is placed on the hand restraint unit (20), so that the palm can be restrained and released; An arm restraint unit (30) connected to the hand restraint unit (20) as a whole, the arm of the ICU patient is placed on the arm restraint unit (30), and the arm can be restrained and released; A calf restraint unit (40) is placed on the restraint bed sheet (10), and the calf of the ICU patient is placed on the calf restraint unit (40), so that the calf can be restrained and released; The monitoring module comprises a plurality of sensors for monitoring the heart rate, blood oxygen and body movement data of the ICU patient and sending the data to a control unit, wherein the control unit is used to control the start and stop of a hand restraint unit (20), an arm restraint unit (30) and a calf restraint unit (40).

2. A multimodal restraint system according to claim 1, characterized in that: The hand restraint unit (20) comprises a mounting plate (21) and a restraint airbag (22); the ICU patient holds the restraint airbag (22) and places it on the mounting plate (21).

3. A multimodal restraint system according to claim 2, characterized in that: At least four groups of finger airbags (221) are arranged on the restraining airbag (22), and the four groups of finger airbags (221) respectively extend between the webs of the palm, and tightening lines (222) are respectively arranged on the four groups of finger airbags (221), and the tightening lines (222) are connected to a tightening unit, and the tightening unit is arranged on the mounting plate (21) and stretches the finger airbags (221) so as to extend between the webs of the palm.

4. A multimodal restraint system according to claim 3, characterized in that: The mounting plate (21) is in the shape of an arc plate as a whole, and an extended finger plate (211) for placing fingers is provided at one end. A threading tube (212) is provided on the lower plate surface of the mounting plate (21), and the tightening wire (222) extends into the threading tube (212). The tightening unit comprises a tightening roller (23), and the tightening roller (23) is arranged horizontally and connected to a tightening motor (25). One end of the tightening wire (222) is connected to the tightening roller (23).

5. A multimodal restraint system according to claim 4, characterized in that: The lower plate surface of the mounting plate (21) is also provided with support arc strips (24) at intervals, and a plurality of groups of the support arc strips (24) are arranged at intervals along the length direction of the mounting plate (21).

6. A multimodal restraint system according to claim 2, characterized in that: The arm restraint unit (30) comprises an arm rest plate (31), one end of the arm rest plate (31) being connected to one end of a rest plate (21), restraint airbags (32) being arranged on both sides of the arm rest plate (31), the restraint airbags (32) and the arm rest plate (31) forming a slot, and when the restraint airbags (32) are inflated, the restraint airbags (32) extend above the arm to restrain the arm.

7. A multimodal restraint system according to claim 1, characterized in that: The calf restraint unit (40) comprises two groups of restraint slot plates (41), restraint gas columns (42) are arranged on both sides of the restraint slot plates (41), and the restraint gas columns (42) are arranged along the length direction of the restraint slot plates (41). The restraint gas columns (42) present two states, one of which is: moving to the top of the slot of the restraint slot plates (41) to restrain the upper side of the calf; and the other is: moving to the bottom of the slot of the restraint slot plates (41) to release the restraint of the calf.

8. A multimodal restraint system according to claim 7, characterized in that: The constraint slot plate (41) is provided with a receiving opening (411), a rotating arm (43) is provided in the receiving opening (411), the constraint gas column (42) is fixed to one end of the rotating arm (43), the other end of the rotating arm (43) is rotatably arranged in the receiving opening (411), and the rotating shaft of the rotating arm (43) is connected to a rotating motor (44).

9. A multimodal restraint system according to claim 8, characterized in that: The restraining bed sheet (10) is provided with a Velcro fleece surface (11), the pattern fleece surface (11) is rectangular, and a Velcro hook surface (412) is provided below the restraining slot plate (41), the Velcro hook surface (412) being fixed on the Velcro fleece surface (11).

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