Adjustable body position fixing and monitoring device for upper limb infusion after breast surgery

Abstract

The invention discloses an adjustable body position fixing and monitoring device for upper limb infusion after a mammary gland operation, and relates to the field of infusion management after the mammary gland operation, the adjustable body position fixing and monitoring device comprises a body position fixing platform, an edema monitoring module and a monitoring host, the body position fixing platform is longitudinally arranged along the bed surface of a sickbed, and the body position fixing platform is provided with an expansion type cushion body and an upper limb fixator; the unfolded pad body is used for being laid on the bed surface of a sickbed and forming a positioning butt joint area, the unfolded pad body comprises a winding and unwinding main machine, a flexible pad and a magnetic buckle, the winding and unwinding main machine is arranged on the bed tail side of the sickbed, the flexible pad is wound around a winding drum of the winding and unwinding main machine, and the free end of the flexible pad extends out of an opening in the front end of the winding and unwinding main machine; according to the body position fixing and monitoring device, through the design that the expandable cushion body and the wearable trunk and arm restraining structure are combined, a joint adjusting and multi-mode physiological sensor driven by a miniature electric cylinder is integrated, and a scheme capable of accurately positioning, stably fixing and continuously monitoring an affected limb in a sickbed scene or a bed leaving scene is constructed.

Description

Technical Field

[0001] This invention relates to postoperative intravenous infusion management technology for breast cancer patients, specifically to an adjustable body position fixation and monitoring device for upper limb intravenous infusion after breast cancer surgery. Background Technology

[0002] Breast cancer is the most common malignant tumor among women worldwide, and surgery is one of its primary treatment methods. Post-operative patients typically undergo a long recovery period, during which maintaining the correct position of the affected upper limb is crucial for ensuring the safety of intravenous infusions and preventing lymphedema.

[0003] In current clinical practice, the management of infusion levels in post-mastectomy patients mainly faces the following two challenges and shortcomings:

[0004] 1. Currently, for patients requiring intravenous infusion while lying flat, the common clinical practice is to use a soft pillow or rolled-up towel to elevate the affected limb. This method has several drawbacks: First, the height and angle are difficult to control precisely, making it impossible to ensure that the affected limb remains in an ideal position against gravity and promoting venous return. Second, the fixation effect is extremely unstable; when the patient unconsciously turns over or makes slight movements, the limb is very likely to slip or shift, leading to a series of complications such as needle puncture of blood vessels, extravasation, and blood return blockage. This not only increases the patient's pain but also brings the risk of infection and increases the workload of medical staff.

[0005] 2. Surgical procedures such as axillary lymph node dissection can disrupt the lymphatic drainage system of the upper limb, resulting in a persistently high incidence of postoperative upper limb lymphedema. Once lymphedema occurs, it often progresses and is difficult to reverse, severely impacting the patient's quality of life. Current nursing care relies heavily on the patient's self-awareness and nurses' regular reminders, verbally educating patients to avoid letting their arms droop. This is a passive and inefficient prevention strategy. When patients must get out of bed for physiological needs, the affected limb inevitably falls below heart level, leading to blood and lymphatic fluid pooling.

[0006] To address the aforementioned problems, the prior art discloses the following technical solutions:

[0007] 1) Publication No. CN119655737A discloses a 3D-printed positioning device for prone treatment of breast cancer. This patent application includes: a base plate fixed to a mobile platform of a treatment detection device; a first support member, a second support member, and a third support member sequentially arranged on the upper surface of the base plate along the movement direction of the mobile platform; the first, second, and third support members are used to support the human body; a detection cavity is formed between the second and third support members, the detection cavity being used to accommodate the breast tissue of the human body; a pressing part disposed on the upper surface of the base plate; the pressing part includes a fastening band, the inner surface of the fastening band and the upper surface of the base plate forming a fixed cavity for the passage of the human body, the detection cavity being located within the fixed cavity; the fastening band is used to surround the ribs and back of the human body and apply force to the human body; it has the following advantages: through segmented support, detection cavity, and fastening band, tissue overlap is effectively reduced, improving the accuracy and stability of breast cancer detection.

[0008] 2) Publication No. CN219538739U discloses a limb positioning device after axillary lymph node dissection for breast cancer. This patent application includes: a scapular fixation pad; a posterior arm elevation pad mounted on the scapular fixation pad and extending outwards, the height of the posterior arm elevation pad being higher than the height of the scapular fixation pad; and a forearm elevation pad mounted on the posterior arm elevation pad and extending outwards, the height of the forearm elevation pad being higher than the height of the posterior arm elevation pad. In this limb positioning device, the scapular fixation pad is placed under the patient's back for relative fixation, reducing the possibility of the posterior and forearm elevation pads falling off the affected limb. Furthermore, when the patient's posterior arm is placed on the posterior arm elevation pad and the forearm on the forearm elevation pad after axillary lymph node dissection for breast cancer, the hand is higher than the elbow, and the elbow is higher than the heart, facilitating blood or lymphatic drainage and preventing lymphedema caused by prolonged limb drooping.

[0009] The aforementioned existing technologies have improved the support method for the affected limb to some extent, but due to their inherently static, passive, and non-adjustable design, they still have the following key limitations:

[0010] Regarding patent CN119655737A: The core of this solution is to provide stable positioning for breast imaging examinations, and its application scenario is a brief examination process. Its structure is designed to fix the patient entirely on the device platform to prevent motion artifacts. This is completely different from the dynamic needs of long-term bed rest, intravenous infusion, and rehabilitation during postoperative hospitalization. This device cannot achieve precise, active adjustment of the affected limb angle; safe patient ambulation; or continuous monitoring of edema. This solution is a rigid fixation clamp designed for a specific diagnostic scenario, rather than an intelligent adjustment solution for dynamic rehabilitation care.

[0011] Regarding publication number CN219538739U: This solution achieves the postural principle of hands higher than elbows, and elbows higher than the heart, through a stepped elevation, representing an improvement over soft pillows. However, it remains a passive support device without power, feedback, or monitoring. Its shortcomings are:

[0012] Relying solely on the patient's trunk weight to hold the scapular pad in place prevents slippage; however, the limb can still slip off the elevated ramp during sleep or unconscious turning, leading to postural instability. Furthermore, the positional angle is preset and fixed, unable to be dynamically adjusted according to clinical needs or patient comfort. More importantly, it completely lacks any monitoring or early warning function for physiological parameters (such as edema or local pressure), failing to achieve early, quantitative prevention of lymphedema. When the patient needs to get out of bed, the device must be completely removed, leaving the affected limb unsupported and immediately exposed to the risk of fall.

[0013] In summary, existing technologies have failed to address the core clinical challenge of ensuring safe and stable intravenous infusion while accommodating necessary bedtime and out-of-bed activities for patients, and achieving proactive and continuous monitoring and prevention of lymphedema, a critical complication. Summary of the Invention

[0014] The purpose of this invention is to provide an adjustable body position fixation and monitoring device for upper limb infusion after breast surgery, in order to solve the problems of unstable limb fixation, lack of continuous edema monitoring function, and inability to meet the needs of patients for both bed movement and getting out of bed in the existing technology.

[0015] To achieve the above objectives, the present invention provides the following technical solution: an adjustable body position fixation and monitoring device for upper limb intravenous infusion after breast surgery, comprising a body position fixation platform, an edema monitoring module, and a monitoring host, wherein:

[0016] The positioning platform is arranged longitudinally along the bed surface. The positioning platform has an unfoldable pad and an upper limb fixation device. The unfoldable pad is laid on the bed surface and forms a positioning docking area. The unfoldable pad includes a roll-up main unit, a flexible pad, and magnetic buckles. The roll-up main unit is located at the foot of the bed. The flexible pad is wound on the roll of the roll-up main unit. The free end of the flexible pad extends out from the opening at the front end of the roll-up main unit. The flexible pad has a groove corresponding to the area from the armpit to the forearm of the upper limb. The groove has magnetic buckles that slide with the groove. The groove has an electromagnetic repulsion array for driving the movement of the magnetic buckles. The upper limb fixation device is configured as a wearable trunk and arm restraint structure. The wearable trunk and arm restraint structure includes a trunk restraint component and an arm positioning fixation component.

[0017] The edema monitoring module is integrated into the inner side of the arm positioning fixation device (inflatable bandage) in the form of a flexible array, and is used for non-invasive and continuous monitoring of superficial blood flow velocity and tissue impedance changes in the affected limb, so as to achieve early and quantitative assessment of postoperative edema formation and microcirculation status.

[0018] The monitoring host is located on one side of the body positioning platform and is electrically connected to the roll-up / unroll-down host, the electromagnetic repulsion array, and the edema monitoring module.

[0019] Furthermore, the trunk restraints include a trunk strap and a back panel, wherein the back panel is located behind the trunk strap and is secured by magnetic snaps when the patient lies on the bed.

[0020] Furthermore, the arm positioning fixation component is installed on both sides of the back plate via a connector. The arm positioning fixation component includes a support, a miniature electric cylinder, a rotating arm support, and an inflatable strap. The support is fixed to the side of the connector, and the rotating arm support is hinged at the front end of the support. The inner side of the support is provided with a miniature electric cylinder that is connected to the rotating arm support and drives the rotating arm support to adjust the angle.

[0021] Furthermore, an inflatable strap is provided on the inside of the rotating armrest. The inflatable strap is used to evenly wrap around and fix the patient's upper limb. The inflatable strap has an integrated pressure sensor array inside.

[0022] Furthermore, the rotating armrest is a composite joint structure with two degrees of rotational freedom. Through the coordinated operation of the two degrees of freedom, the affected limb can be precisely adjusted to the optimal physiological angle to counteract gravity and promote venous and lymphatic return.

[0023] Furthermore, the trunk strap is equipped with a microcontroller connected to a miniature electric cylinder, a rotating arm support, an inflatable strap, and a pressure sensor array. The microcontroller is used to adjust the pressure of the inflatable strap and control the movement of the miniature electric cylinder and the rotating arm support to achieve the abduction and flexion angles of the affected limb.

[0024] Furthermore, the edema monitoring module is an integrated Doppler ultrasound and bioelectrical impedance analysis (BIA) sensor. Lymphedema develops as a process from a slight increase in interstitial fluid to significant swelling. Bioelectrical impedance analysis is extremely sensitive to subtle changes in interstitial fluid, detecting abnormalities even before noticeable changes in limb appearance and circumference. Subsequently, as fluid accumulates and intensifies, it significantly affects local blood flow, which is then captured by Doppler ultrasound. This integrated sensor continuously monitors both indicators. By analyzing the correlation between their sequential or simultaneous changes, it can not only detect potential edema risks earlier but also make more detailed distinctions and predictions regarding the stages of edema development.

[0025] Furthermore, the monitoring host is an integrated control unit that connects to the roll-up / rewind host, electromagnetic repulsion array, and edema monitoring module via multiple wired and wireless interfaces. Through preset logic, it coordinates and executes the following core control and monitoring tasks: automatic / manual roll-up / rewind of the flexible pad; driving the electromagnetic repulsion array to position the magnetic buckle, enabling rapid adsorption and separation of the backplate; collecting and processing edema monitoring data, performing edema risk analysis, and triggering local and remote alarms when thresholds are exceeded. Simultaneously, it records and stores all operation logs and physiological data, supporting uploading to the hospital information management system via wired or wireless networks.

[0026] Compared with existing technologies, the adjustable positioning and monitoring device for upper limb infusion after breast surgery provided by this invention combines an expandable pad with a wearable trunk and arm restraint structure, and integrates micro-electric cylinder driven joint adjustment and multimodal physiological sensors. This creates a solution that can accurately position, stably fix and continuously monitor the affected limb in both bedridden and out-of-bed scenarios. This solution can fix the affected limb at an ideal angle against gravity when the patient is in a supine position, and maintain the treatment position of the affected limb outside the body when the patient is out of bed. At the same time, it can perform non-invasive and continuous assessment of physiological parameters related to lymphedema.

[0027] 1. The wearable fixator achieves active locking between the device and the platform through magnetic snap-fit ​​and electromagnetic repulsion array, resulting in higher fixation reliability. More importantly, its wearable nature allows the affected limb to leave the bed with the patient in the treatment position, fundamentally solving the problem of lymphatic and venous return stagnation caused by positional interruption.

[0028] 2. By using a miniature electric cylinder and pressure sensor array, the abduction and flexion angles of the affected limb can be programmed and dynamically stabilized, and secondary injuries caused by improper fixation pressure can be prevented, thus improving the safety and individualization of the rehabilitation process.

[0029] 3. By integrating Doppler ultrasound and bioelectrical impedance monitoring functions, continuous quantitative monitoring of objective indicators of lymphedema is achieved, providing early warning evidence for clinical practice. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0031] Figure 1 This is a schematic diagram illustrating the application of the present invention;

[0032] Figure 2This is a schematic diagram of the unfoldable pad and upper limb fixation device in Embodiment 1 of the present invention;

[0033] Figure 3 This is a schematic diagram of the upper limb fixation device in Embodiment 1 of the present invention;

[0034] Figure 4 This is a schematic diagram of the arm positioning fixation component in Embodiment 1 of the present invention.

[0035] Explanation of reference numerals in the attached figures:

[0036] 1. Unfolding pad; 11. Winding and unwinding main unit; 12. Flexible pad; 121. Groove; 13. Magnetic buckle; 2. Upper limb fixation device; 21. Torso restraint; 211. Torso strap; 212. Back plate; 22. Arm positioning fixation device; 221. Support; 222. Miniature electric cylinder; 223. Rotating arm support; 3. Monitoring main unit. Detailed Implementation

[0037] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0038] As attached Figure 1 To be continued Figure 4 As shown:

[0039] Example 1:

[0040] The present invention provides an adjustable body position fixation and monitoring device for upper limb infusion after breast surgery, including a body position fixation platform and a monitoring host 3.

[0041] 1. In one embodiment of the present invention, the body positioning platform is arranged longitudinally along the bed surface of the hospital bed. The body positioning platform has an unfoldable pad 1 and an upper limb fixator 2. The unfoldable pad 1 is used to lay on the bed surface of the hospital bed and form a positioning docking area. The unfoldable pad 1 includes a winding and unwinding main unit 11, a flexible pad 12 and a magnetic buckle 13. The winding and unwinding main unit 11 is arranged at the foot of the bed. The flexible pad 12 is wound on the roll of the winding and unwinding main unit 11. The free end of the flexible pad 12 extends out from the opening at the front end of the winding and unwinding main unit 11. The flexible pad 12 is provided with a groove 121 corresponding to the area from the armpit to the forearm of the human upper limb. The groove 121 is provided with a magnetic buckle 13 that slides with the groove 121. The groove 121 is provided with an electromagnetic repulsion array for driving the magnetic buckle 13 to move. The upper limb fixator 2 is configured as a wearable torso and arm restraint structure. The structure includes a trunk restraint component 21 and an arm positioning fixation component 22. The trunk restraint component 21 includes a trunk strap 211 and a back plate 212, wherein the back plate 212 is provided on the rear side of the trunk strap 211, and the back plate 212 is locked by a magnetic buckle 13 when the patient lies on the bed. The arm positioning fixation component 22 is installed on both sides of the back plate 212 through connectors. The arm positioning fixation component 22 includes a support 221, a miniature electric cylinder 222, a rotating arm support 223, and an inflatable strap. The support 221 is fixed to the side end of the connector, and the rotating arm support 223 is hinged to the front end of the support 221. The inner side of the support 221 is provided with a miniature electric cylinder 222 that is connected to the rotating arm support 223 and drives the rotating arm support 223 to adjust its angle. The inner side of the rotating arm support 223 is provided with an inflatable strap, which is used to evenly wrap around and fix the patient's upper limb. The inflatable strap integrates a pressure sensor array.

[0042] 2. In one embodiment of the present invention, the edema monitoring module is integrated in the form of a flexible array inside the arm positioning fixation component 22 (inflatable bandage) and is used for non-invasive and continuous monitoring of superficial blood flow velocity and tissue impedance changes in the affected limb, so as to achieve early and quantitative assessment of postoperative edema formation and microcirculation status.

[0043] 3. In one embodiment of the present invention, the monitoring host 3 is configured on one side of the body positioning platform. The monitoring host 3 is an integrated control unit, which is connected to the roll-up host 11, the electromagnetic repulsion array and the edema monitoring module through multiple wired and wireless interfaces. Through preset logic, it coordinates and executes the following core control and monitoring tasks: automatically / manually roll-up and roll-up of the flexible pad 12; drive the electromagnetic repulsion array to position the magnetic buckle 13 to achieve rapid adsorption and separation of the back plate 212; and simultaneously record and store all operation logs and physiological data, supporting uploading to the hospital information management system via wired or wireless network.

[0044] 4. In one embodiment of the present invention, the rotating arm support 223 is a composite joint structure with two degrees of rotational freedom. Through the coordinated operation of the two degrees of freedom, the affected limb can be precisely adjusted to the optimal physiological angle to counteract gravity and promote venous and lymphatic return.

[0045] 5. In one embodiment of the present invention, the torso strap 211 is provided with a microcontroller connected to the micro electric cylinder 222, the rotating arm support 223, the inflatable strap, and the pressure sensor array. The microcontroller is used to adjust the pressure of the inflatable strap and control the movement of the micro electric cylinder 222 and the rotating arm support 223 to achieve the abduction and flexion angles of the affected limb.

[0046] Working Principle: In Example 1, the magnetic coupling between the deployable pad 1 and the wearable upper limb fixation device 2 achieves automatic positioning and rigid locking of the affected limb in a bedridden state. When the patient is lying down, the backrest 212 and the magnetic buckle 13 automatically attract each other, stably fixing the affected limb at the preset abduction and flexion angles; when getting out of bed, the magnetic attraction is released, and the patient can wear the brace and move freely, while the affected limb remains in the treatment position. The monitoring host 3 controls the electromagnetic repulsion array, the miniature electric cylinder 222, and the pressure sensing system to collaboratively complete precise position adjustment and pressure safety control monitoring.

[0047] As attached Figure 1 As shown:

[0048] Example 2:

[0049] The present invention provides an adjustable body position fixation and monitoring device for upper limb infusion after breast surgery, including a body position fixation platform, an edema monitoring module (not shown in the figure) and a monitoring host 3.

[0050] 1. In one embodiment of the present invention, the edema monitoring module is an integrated Doppler ultrasound and bioelectrical impedance analysis (BIA) sensor. The development of lymphedema is a process from a slight increase in interstitial fluid to significant swelling. Bioelectrical impedance analysis is extremely sensitive to subtle changes in interstitial fluid, enabling the early detection of abnormalities before significant changes in limb appearance and circumference. Subsequently, as fluid accumulation intensifies, it significantly affects local blood flow and is captured by Doppler ultrasound. This integrated sensor can continuously monitor these two indicators. By analyzing the correlation between their sequential or synchronous changes, it can not only detect potential risks of edema earlier but also make more detailed distinctions and predictions regarding the stages of edema development.

[0051] 2. In one embodiment of the present invention, the monitoring host 3 is an integrated control unit, which is connected to the winding host 11, the electromagnetic repulsion array and the edema monitoring module through multiple wired and wireless interfaces, and coordinates the execution of the following core control and monitoring tasks through preset logic: collecting and processing edema monitoring data, performing edema risk analysis, triggering local and remote alarms when the threshold is exceeded, and recording and storing all operation logs and physiological data, supporting uploading to the hospital information management system through wired or wireless networks.

[0052] Working Principle: Example 2 utilizes a data fusion monitoring mechanism combining Doppler ultrasound and an integrated bioelectrical impedance sensor to construct an independent monitoring scheme specifically for early assessment of edema risk. The sensor simultaneously acquires hemodynamic and tissue impedance dual-modal data. The monitoring host 3 performs real-time fusion analysis on the acquired data, identifies abnormal trends using a preset algorithm model, and triggers tiered early warnings. Simultaneously, monitoring data and device logs are automatically uploaded to the hospital information system, enabling data traceability and remote monitoring.

[0053] In conjunction with Embodiments 1 and 2 above, the present invention also provides the operating steps of the adjustable body position fixation and monitoring device for upper limb intravenous infusion after breast surgery, including the following:

[0054] When not in use, the flexible pad 12 is stored in the retractable / unrolling main unit 11 at the foot of the bed. In use, the automatic unrolling program is initiated via the monitoring main unit 3, and the flexible pad 12 unfolds along the bed surface, with its groove 121 aligned with the area from the patient's armpit to the forearm. The patient puts on the trunk restraint 211 and simultaneously inserts the affected limb into the inflatable strap of the arm positioning fixation device 22, where the inflatable strap provides secure wrapping.

[0055] Once the patient is in position, the backrest 212 is flush against the bed. The operator activates the electromagnetic repulsion array via the monitoring host 3. This array drives the magnetic latches 13 within the slot 121 to slide to their docking position with the backrest 212. At this point, the mechanical structure of the magnetic latches 13 engages with the pre-set docking structure (such as a slot) on the backrest 212, locking the backrest 212 to the bed. During this process, the microcontroller synchronously drives the micro-electric cylinder 222 according to a preset scheme or instruction, which in turn drives the rotating arm support 223 with two degrees of freedom to adjust the abduction and flexion angles of the affected limb.

[0056] Meanwhile, an integrated Doppler ultrasound and bioelectrical impedance sensor, located inside the inflatable bandage, non-invasively and continuously collects blood flow and tissue impedance data of the affected limb. After the data is transmitted to the monitoring host 3, its built-in analysis software processes it in real time, generating quantitative indicators about the limb's circulatory status and edema risk. When the data exceeds a safety threshold, the system triggers local and remote alarms for early warning.

[0057] When the patient needs to get out of bed, the monitoring host 3 executes an unlocking and separation procedure. The electromagnetic repulsion array drives the magnetic latch 13 to retract, releasing its mechanical lock on the backplate 212. The wearable fixator separates from the pad platform. The arm positioning fixation component 22, as an independent structure, moves with the patient out of bed, maintaining the affected limb in the treatment position and avoiding the risk of reflux stagnation caused by drooping. Upon returning to the bed, the docking and locking process is repeated to restore the original monitoring and fixation.

[0058] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An adjustable body position fixing and monitoring device for upper limb infusion after breast surgery, comprising a body position fixing platform, an edema monitoring module and a monitoring host (3), characterized in that: the body position fixing platform is arranged longitudinally along the bed surface of a sickbed, and the body position fixing platform has an unfolding type pad (1) and an upper limb fixer (2); the unfolding type pad (1) is used for laying on the bed surface of the sickbed and forming a positioning docking area; the unfolding type pad (1) comprises a winding and unwinding host (11), a flexible pad (12) and a magnetic buckle (13); the winding and unwinding host (11) is arranged at the tail side of the sickbed; the winding drum of the winding and unwinding host (11) is wound with the flexible pad (12); the free end of the flexible pad (12) is stretched out from the opening at the front end of the winding and unwinding host (11); the flexible pad (12) is provided with a groove (121) corresponding to the region from the armpit to the forearm of the human upper limb; the groove (121) is provided with the magnetic buckle (13) slidably connected with the groove (121); and the groove (121) is provided with an electromagnetic repulsion array for driving the magnetic buckle (13) to move; the upper limb fixer (2) is configured as a wearable trunk and arm restraint structure; the wearable trunk and arm restraint structure comprises a trunk restraint member (21) and an arm body position fixing member (22); the edema monitoring module is integrated in the inner side of the arm body position fixing member (22) in the form of a flexible array, and is used for non-invasively and continuously monitoring the superficial blood flow velocity and tissue electrical impedance change of the affected limb, so as to realize early and quantitative evaluation of postoperative edema formation and microcirculation state; and the monitoring host (3) is arranged on one side of the body position fixing platform, and is electrically connected with the winding and unwinding host (11), the electromagnetic repulsion array and the edema monitoring module. The trunk restraint member (21) comprises a trunk belt (211) and a back plate (212), wherein the back plate (212) is arranged on the rear side of the trunk belt (211). The arm body position fixing member (22) is installed on both side ends of the back plate (212) through a connecting piece; the arm body position fixing member (22) comprises a support (221), a micro electric cylinder (222), a rotating arm support (223) and an inflatable bandage; the support (221) is fixed on the side end of the connecting piece; the front end of the support (221) is hinged with the rotating arm support (223); and the inner side of the support (221) is provided with the micro electric cylinder (222) connected with the rotating arm support (223) and driving the rotating arm support (223) to adjust the angle. The inner side of the rotating arm support (223) is provided with the inflatable bandage; the inflatable bandage is used for uniformly wrapping and fixing the upper limb of the patient; and the inside of the inflatable bandage is integrated with a pressure sensing array.

2. The adjustable body position fixation and monitoring device for postoperative upper extremity infusion of breast surgery of claim 1, wherein, The rotating arm support (223) is a composite joint structure with two-stage rotation freedom.

3. The adjustable body position fixation and monitoring device for postoperative upper extremity infusion of breast surgery of claim 1, wherein, The trunk belt (211) is provided with a microcontroller connected with the micro electric cylinder (222), the rotating arm support (223), the inflatable bandage and the pressure sensing array.

4. The adjustable body position fixation and monitoring device for postoperative upper extremity infusion of breast according to claim 3, characterized in that, The edema monitoring module is a Doppler ultrasound and bioelectrical impedance integrated sensor.

5. The adjustable body position fixation and monitoring device for postoperative upper extremity infusion of breast according to claim 4, characterized in that, The monitoring host (3) is an integrated control unit; it is connected with the winding and unwinding host (11), the electromagnetic repulsion array and the edema monitoring module through multiple wired and wireless interfaces; and it performs control and monitoring tasks through a preset logic.

6. The adjustable body position fixation and monitoring device for postoperative upper extremity of breast surgery infusion according to claim 2, characterized in that, ​ 7. The adjustable body position fixation and monitoring device for postoperative upper extremity infusion of breast surgery of claim 1, wherein, ​ 8. The adjustable body position fixation and monitoring device for postoperative upper extremity of breast surgery infusion according to claim 1, characterized in that, ​

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