Upper arm hot compress fixing band after PICC catheterization
The quick-connect and rotating components simplify the operation of the upper arm heat therapy fixation bandage after PICC insertion, solving the problem of cumbersome existing devices, improving work efficiency, extending heat therapy time, and reducing the risk of infection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHANJIANG CENT PEOPLES HOSPITAL
- Filing Date
- 2025-04-21
- Publication Date
- 2026-07-07
AI Technical Summary
The existing PICC catheterization postoperative heat therapy fixation device is cumbersome to operate, affects work efficiency, poses a risk of moisture infection, and increases the workload of nursing staff.
A postoperative upper arm heat therapy fixation bandage for PICC catheter insertion was designed, which includes a quick-connect component and a rotating component. The quick-connect component allows for quick connection to the sealing plug, and the rotating component facilitates the removal of the sealing plug. Combined with the Velcro fixation structure, the operation process is simplified and the sealing performance is improved.
It enables quick removal and placement of sealing plugs, reducing the workload of nursing staff, improving work efficiency, and extending the heat application time through the heat-conducting plate, avoiding moisture infection and reducing the nursing burden.
Smart Images

Figure CN224461883U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of postoperative care equipment for PICC catheterization, specifically to a hot compress fixation band for the upper arm after PICC catheterization. Background Technology
[0002] PICC (Peripherally Inserted Central Catheter) placement, also known as peripherally inserted central venous catheterization, involves inserting a catheter through a vein in the arm and directing it to a large vein near the heart. This avoids direct contact between chemotherapy drugs and the arm's veins. Furthermore, the rapid blood flow in a large vein quickly dilutes the chemotherapy drugs, preventing irritation to the blood vessels. Therefore, it effectively protects the veins of the upper limb, reduces the incidence of phlebitis, alleviates patient pain, and improves the patient's quality of life. It is primarily used for patients whose limb cannot move voluntarily, or who cannot perform actions like gripping a ball to promote blood circulation, serving as a passive method to prevent thrombosis. The procedure begins the day after catheter insertion, with hot compresses applied four times a day for 15-20 minutes each time, for seven days. Currently, the method involves nursing staff soaking a towel in hot water, wringing it out, and then applying it to the patient's upper arm. Due to the lack of a fixation device, nursing staff must manually press the hot towel onto the patient's upper arm throughout the entire process, increasing their workload. Furthermore, even after wringing out the towel, residual moisture may still cause infection at the puncture site. Therefore, a hot compress fixation belt for the upper arm after PICC catheter insertion is designed to solve this problem.
[0003] To address the aforementioned technical issues, Chinese Patent No. CN215994465U discloses a hot compress fixation strap for postoperative care of PICC catheter insertion. This strap includes a container with a chamber for holding hot water. Multiple straps are attached to the outside of the container to secure it to the patient's PICC catheter. The container has an inlet and an outlet. A funnel communicating with the chamber is installed on the inlet, and a valve assembly is installed inside the funnel.
[0004] While the aforementioned existing technical solution avoids infection of the puncture site caused by water and eliminates the need for nurses to manually apply heat throughout the process, it requires nurses to rotate each set of threaded rods one by one to remove the round rod and plate when draining the water. After the water is drained, nurses need to rotate each set of threaded rods again, which is cumbersome and time-consuming, affecting work efficiency and increasing the workload of staff. Utility Model Content
[0005] (1) Technical problems to be solved
[0006] To address the shortcomings of existing technologies, the purpose of this invention is to provide a PICC line insertion post-operative upper arm heat therapy and fixation bandage. This device aims to solve the technical problems existing in the prior art.
[0007] (2) Technical solution
[0008] To address the aforementioned technical problems, this utility model provides a PICC catheter insertion postoperative upper arm heat therapy fixation band, comprising a filling cover, a heat insulation plate embedded in one side of the filling cover, a handle installed at the top of the heat insulation plate, first straps installed at both ends of both sides of the outer wall of the heat insulation plate, a towel attached to the bottom of the filling cover, second straps overlapping both sides of the towel, a fixing seat installed at one end of the outer wall of the filling cover, a flow hole extending to the inside of the filling cover at one end of the fixing seat, a sealing plug engaged inside the flow hole, a sealing gasket embedded in one end of the outer wall of the sealing plug and conforming to the inner wall of the flow hole, the sealing plug engaging with the fixing seat via a pressing mechanism, the pressing mechanism comprising a quick-connect component and a rotating component, the quick-connect component for quickly engaging the sealing plug, and the rotating component for disassembling the sealing plug.
[0009] When using the PICC insertion post-operative upper arm heat therapy fixation bandage of this solution, one end can be inserted into the flow hole. Then, press the connecting post and the pressing seat, allowing the rubber pad on the pressing seat to adhere to the outer wall of the fixation seat, causing the locking plate to slide into the inner side of the splicing groove. Continue squeezing the rubber pad to allow the locking plate to enter the inner side of the lower pressing groove and contact the rotating plate. The locking plate and the guide slope on the rotating plate adhere and press against each other, forcing the stabilizing spring to be stretched, causing the rotating plate and connecting rod to rotate around the axis by a certain angle. As the locking plate continues to move, it contacts the convex plate, and the guide slope squeezes... The pressing and pressing slope forces the torsion spring to retract the convex plate into the inner side of the rotating groove. After the groove approaches the rotating groove, the torsion spring rebounds and drives the convex plate into the inner side of the groove. At this time, the connecting column and the pressing seat 11 are no longer squeezed, and the rubber pad will rebound a certain distance. The locking plate is dragged back, and the convex plate abuts against the inner wall of the groove, locking the position of the sealing plug. The sealing gasket fits against the inner wall of the flow hole, which can increase the sealing effect. The structure is simple and easy to operate, which makes it easy for staff to quickly remove and place the sealing plug for water discharge, reducing the workload of nursing staff and further improving work efficiency.
[0010] Preferably, the quick-connect assembly includes a connecting post installed at the other end of the sealing plug, a pressing seat installed at the other end of the connecting post, a rubber pad embedded in the bottom of the pressing seat, a through hole opened at one end of the rubber pad, a locking plate installed at the through hole on the side of the pressing seat near the fixing seat, and a splicing groove opened on the inner side of the fixing seat corresponding to the through hole, and the locking plate and the splicing groove are slidably connected.
[0011] Furthermore, a pressing groove is provided on one side of the splicing groove on the inner wall of the fixed seat. A connecting rod is rotatably connected to the inner wall of the pressing groove. A rotating plate is sleeved on the outer side of the connecting rod. The pressing groove is connected to the inner side of the splicing groove. The locking plate and the rotating plate are provided with mutually fitting guide slopes at their opposite ends. An installation groove is provided on one side of the rotating plate below its guide slope. A stabilizing spring is installed between the installation groove and the inner wall of the pressing groove.
[0012] Furthermore, a rotating groove is provided inside the rotating plate at its guide slope, a movable rod is rotatably connected to the inside of the rotating groove, a protruding plate is sleeved on the outside of the movable rod, a torsion spring is installed between the movable rod and the inner wall of the rotating groove, a groove is provided inside the locking plate at its guide slope, and an abutment slope that fits against the guide slope is provided on one side of the protruding plate.
[0013] Furthermore, the rotating assembly includes an operating groove on one end of the outer wall of the fixed base, a torsion plate installed on one end of the connecting rod extending to the inner side of the operating groove, anti-slip texture printed on the outer side of the torsion plate, a limit plate installed on one end of the rotating plate, and a limit groove slidably connected to the limit plate on the inner wall of the pressing groove.
[0014] Furthermore, both ends of the second strap are equipped with first hook and loop fasteners, the outer wall of the filling cover is embedded with a first hook and loop fastener corresponding to the first hook and loop fastener, one end of each of the two adjacent sets of first straps is equipped with a second hook and loop fastener and a second hook and loop fastener, and a heat-conducting plate is embedded at the bottom of the filling cover.
[0015] Furthermore, a water inlet is embedded at the other end of the filling cover, and connecting springs are installed on both sides of the water inlet on the inner wall of the filling cover. A sealing ball is installed between the two sets of connecting springs, and one side of the sealing ball is in contact with one end of the water inlet.
[0016] (3) Beneficial effects
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0018] 1. In this utility model, the sealing plug is quickly connected by a quick-connect component and the sealing plug is disassembled by a rotating component. The structure is simple and easy to operate, which makes it convenient for staff to quickly remove and place the sealing plug for water discharge, reducing the workload of nursing staff and further improving work efficiency.
[0019] 2. In this utility model, the first straps, in conjunction with the hook and loop surfaces of the second Velcro, can be fitted and fixed onto the patient's limb. The second straps, in conjunction with the hook and loop surfaces of the first Velcro, can position the towel. The towel is pre-soaked in warm water and wrung out. The heat-conducting plate can transfer heat to the towel. The heat-conducting plate is made of aluminum alloy, which is lightweight and has high thermal conductivity, allowing the towel to apply heat to the patient's limb. When water is poured into the water inlet, the sealing ball is opened. After the water is poured in, the two sets of connecting springs can drive the sealing ball to reset and close the water inlet. The water poured in is hot water. Due to the heat conduction characteristics of the heat-conducting plate, the heat from the stored hot water can be transferred to the towel, allowing the heat to be maintained for a longer time, further increasing the heat application time of the towel and preventing the towel from cooling down too quickly and requiring frequent replacement. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the towel separation structure of this utility model;
[0022] Figure 3 This is a partial cross-sectional view of the filling cover of this utility model;
[0023] Figure 4 This is a partial cross-sectional view of the water inlet structure of this utility model;
[0024] Figure 5 This is a partial three-dimensional structural diagram of the fixing base of this utility model;
[0025] Figure 6 This is a partial cross-sectional view of the fixing base of this utility model.
[0026] In the diagram: 1. Filler cover; 2. Heat insulation plate; 3. First strap; 4. Towel; 5. Second strap; 6. Lower pressure groove; 7. Sealing plug; 8. Fixing seat; 9. Rubber pad; 10. Sealing ball; 11. Pressing seat; 12. Locking plate; 13. Connecting rod; 14. Rotating plate; 15. Guide slope; 16. Protruding plate; 17. Torsion spring; 18. Groove; 19. Abutment slope; 20. Torsion plate; 21. Limiting plate; 22. First Velcro surface; 23. Water inlet; 24. Heat conduction plate; 25. Stabilizing spring. Detailed Implementation
[0027] This specific embodiment is a PICC catheter insertion postoperative upper arm heat therapy fixation bandage, the structural diagram of which is shown below. Figure 1-6 As shown, a PICC catheter insertion postoperative upper arm heat therapy fixation bandage includes a filling cover 1, a heat insulation plate 2 embedded in one side of the filling cover 1, a handle installed at the top of the heat insulation plate 2, first straps 3 installed at both ends of the outer wall of the heat insulation plate 2, a towel 4 attached to the bottom end of the filling cover 1, and second straps 5 overlapping both sides of the towel 4, a fixing seat 8 installed at one end of the outer wall of the filling cover 1, a flow hole extending to the inside of the filling cover 1 opened at one end of the fixing seat 8, a sealing plug 7 engaging inside the flow hole, and a sealing plug 7 being connected to the outer wall of the sealing plug 7. The sealing plug 7 is embedded with a sealing gasket that fits against the inner wall of the flow hole. The sealing plug 7 is engaged with the fixed seat 8 through a pressing mechanism. The pressing mechanism includes a quick-connect component and a rotating component. The quick-connect component is used to quickly connect the sealing plug 7, and the rotating component is used to disassemble the sealing plug 7. In use, the sealing plug 7 can be quickly connected through the quick-connect component and disassembled through the rotating component. The device has a simple structure and is easy to operate. It is convenient for staff to quickly remove and place the sealing plug 7 for water discharge, reducing the workload of nursing staff and further improving work efficiency.
[0028] In this embodiment, the quick-connect assembly includes a connecting post installed at the other end of the sealing plug 7. A pressing seat 11 is installed at the other end of the connecting post. A rubber pad 9 is embedded in the bottom of the pressing seat 11. A through hole is opened at one end of the rubber pad 9. A locking plate 12 is installed at the through hole on the side of the pressing seat 11 near the fixing seat 8. A splicing groove is opened on the inner side of the fixing seat 8 corresponding to the through hole. The locking plate 12 and the splicing groove are slidably connected. When assembling the sealing plug 7, one end of it can be inserted into the flow hole. Then, the connecting post and the pressing seat 11 are pressed to make the rubber pad 9 on the pressing seat 11 fit against the outer wall of the fixing seat 8, so that the locking plate 12 slides into the inner side of the splicing groove. The rubber pad 9 is further squeezed to make the locking plate 12 enter the inner side of the lower pressing groove 6 and contact the rotating plate 14. The locking plate 12 and the guide slope 15 on the rotating plate 14 fit and squeeze each other, forcing the stabilizing spring 25 to be stretched.
[0029] Secondly, in this embodiment, a pressing groove 6 is provided on one side of the splicing groove on the inner wall of the fixing base 8. A connecting rod 13 is rotatably connected to the inner wall of the pressing groove 6. A rotating plate 14 is sleeved on the outer side of the connecting rod 13. The pressing groove 6 communicates with the inner side of the splicing groove. The locking plate 12 and the rotating plate 14 are provided with mutually fitting guide slopes 15 at their opposite ends. An installation groove is provided on one side of the rotating plate 14 below its guide slope 15. A stabilizing spring 25 is installed between the installation groove and the inner wall of the pressing groove 6. A rotating groove is provided inside the rotating plate 14 at its guide slope 15. A movable rod is rotatably connected to the inner side of the rotating groove. A protruding plate 16 is sleeved on the outer side of the movable rod. A torsion spring 17 is installed between the movable rod and the inner wall of the rotating groove. A locking plate 12 is provided inside its... A groove 18 is provided at the guide slope 15, and an abutment slope 19 is provided on one side of the convex plate 16 to fit with the guide slope 15. This allows the rotating plate 14 and the connecting rod 13 to rotate around the axis at a certain angle. As the locking plate 12 continues to move, it contacts the convex plate 16. The guide slope 15 presses against the abutment slope 19, forcing the torsion spring 17 to drive the convex plate 16 to retract into the rotating groove. When the groove 18 approaches the rotating groove, the torsion spring 17 rebounds and drives the convex plate 16 into the groove 18. At this time, the connecting column and the pressing seat 11 are no longer pressed, and the rubber pad 9 will rebound a certain distance. The locking plate 12 is dragged back, and the convex plate 16 abuts against the inner wall of the groove 18, locking the position of the sealing plug 7. The sealing pad fits against the inner wall of the flow hole, which can increase the sealing effect.
[0030] Furthermore, in this embodiment, the rotating assembly includes an operating groove on one end of the outer wall of the fixed base 8. A torsion plate 20 is installed on one end of the connecting rod 13 extending to the inner side of the operating groove. The outer side of the torsion plate 20 is printed with anti-slip texture. A limit plate 21 is installed on one end of the rotating plate 14. A limit groove that is slidably connected to the limit plate 21 is provided on the inner wall of the pressing groove 6. When drainage is required, the torsion plate 20 on the connecting rod 13 can be twisted to drive the rotating plate 14 to rotate. The protrusion 16 is taken away from the inner side of the groove 18, the locking plate 12 is no longer abutted, the rubber pad 9 fully rebounds, and the groove 18 on the locking plate 12 is moved away from the rotating groove. The torsion plate 20 will not be locked again when it is released. At this time, the sealing plug 7 can be removed to drain the water source.
[0031] Furthermore, in this embodiment, both ends of the second strap 5 are equipped with first hook and loop fasteners, and the outer wall of the filling cover 1 is embedded with a first hook and loop fastener 22 corresponding to the first hook and loop fasteners. One end of each of the two adjacent sets of first straps 3 is equipped with a second hook and loop fastener and a second loop fastener, respectively. A heat-conducting plate 24 is embedded at the bottom of the filling cover 1, and a water inlet 23 is embedded at the other end of the filling cover 1. Connecting springs are installed on both sides of the water inlet 23 on the inner wall of the filling cover 1. A sealing ball 10 is installed between the two sets of connecting springs, and one side of the sealing ball 10 is attached to one end of the water inlet 23. The first strap 3, in conjunction with the second hook and loop side of the hook and loop side, can be slipped and fixed onto the patient's limb. The second strap 5, in conjunction with the first hook and loop side 22 of the hook and loop side, can position the towel 4. The towel 4 is pre-soaked in warm water and wrung out. The heat-conducting plate 24 can transfer heat to the towel 4. The heat-conducting plate 24 is made of aluminum alloy, which is lightweight and has high thermal conductivity, allowing the towel 4 to apply heat to the patient's limb. When water is poured in through the water inlet 23, the sealing ball 10 can be opened. After the water is poured in, the two sets of connecting springs can drive the sealing ball 10 to reset. The water inlet 23 is sealed, and the water poured in is hot water. Due to the heat conduction characteristics of the heat-conducting plate 24, the heat from the stored hot water can be transferred to the towel 4, allowing it to retain heat for a longer time and further increasing the heat application time of the towel 4. This prevents the towel 4 from cooling down too quickly and requiring frequent replacement. In actual use, the wrung-out towel 4 is in direct contact with the outside environment, and most of the hot water inside has been wrung out. Therefore, its cooling speed is definitely faster than the water poured inside the filling cover 1. However, both will cool down over time. It should be noted that the hot water poured in is not boiling water, but rather water prepared by the caregiver. The warm water, made by mixing water and cold water, can transfer some of its heat to the gradually cooling towel 4 before the water cools completely, even though the heat conduction plate 24 cannot conduct all the heat from the hot water. This ensures a certain amount of heat without causing burns. Furthermore, even when the towel 4 is still warm when it is first placed on the patient's limb, the heat conduction capacity of the heat conduction plate 24 is only to conduct a portion of the heat stored in the warm water. Although this heat can raise the temperature of the towel 4, it is far from enough to burn the patient's limb. This allows the towel 4 to have enough heat for longer-term care.
[0032] When using the PICC catheter placement procedure post-operative upper arm heat therapy fixation bandage of this scheme, the sealing plug 7 can be assembled by inserting one end into the flow hole. Then, press the connecting column and the pressing seat 11 to make the rubber pad 9 on the pressing seat 11 adhere to the outer wall of the fixation seat 8, so that the locking plate 12 slides into the inner side of the splicing groove. Continue to press the rubber pad 9 to make the locking plate 12 enter the inner side of the lower pressing groove 6 and contact the rotating plate 14. The locking plate 12 and the guide slope 15 on the rotating plate 14 adhere and press against each other, forcing the stabilizing spring 25 to be stretched, so that the rotating plate 14 and the connecting rod 13 rotate around the axis by a certain angle. As the locking plate 12 continues to move, it contacts the convex plate 16. The guide slope 15 presses against the abutment slope 19, forcing the torsion spring 17 to drive the convex plate 16 to retract into the inner side of the rotating groove. When the groove 18 is reached... When the torsion spring 17 approaches the rotating groove, it rebounds, causing the convex plate 16 to enter the inner side of the groove 18. At this point, the connecting post and the pressing seat 11 are no longer compressed, and the rubber pad 9 will rebound a certain distance. The locking plate 12 is dragged back, and the convex plate 16 abuts against the inner wall of the groove 18, locking the position of the sealing plug 7. The sealing gasket's fit against the inner wall of the flow hole increases the sealing effect. When drainage is needed, the torsion plate 20 on the connecting rod 13 can be twisted, causing the rotating plate 14 to rotate accordingly. The convex plate 16 is pulled away from the inner side of the groove 18, and the locking plate 12 is no longer abutted. The rubber pad 9 rebounds completely, causing the groove 18 on the locking plate 12 to move away from the rotating groove. Releasing the torsion plate 20 will not lock it again. At this point, the sealing plug 7 can be removed to drain the water. The two adjacent sets of first straps 3 cooperate with the second Velcro hook and The second hook and loop fastener can be fitted and fixed to the patient's limb. The second strap 5, in conjunction with the first hook and loop fastener 22, can position the towel 4. The towel 4 is pre-soaked in warm water and wrung out. The heat-conducting plate 24 can transfer heat to the towel 4. The heat-conducting plate 24 is made of aluminum alloy, which is lightweight and has high thermal conductivity, allowing the towel 4 to apply heat to the patient's limb. When water is poured through the water inlet 23, it can open the sealing ball 10. After the water is poured in, the two sets of connecting springs can drive the sealing ball 10 to reset and close the water inlet 23. The water poured in is hot water. Due to the thermal conductivity of the heat-conducting plate 24, the heat from the stored hot water can be transferred to the towel 4, allowing the heat to be maintained for a longer time. The hot compress time of towel 4 was increased to prevent it from cooling down too quickly and requiring frequent replacement. In actual use, the wrung-out towel 4 is in direct contact with the outside environment, and most of the hot water inside has been wrung out. Therefore, its cooling speed is definitely faster than the water poured into the inside of the filling cover 1. However, both will cool down over time. It should be noted that the hot water poured in is not boiling water, but warm water mixed with cold water by nursing staff. Although the heat conduction plate 24 cannot conduct all the heat of the hot water, it can transfer some heat to the gradually cooling towel 4 before the hot water cools down completely. This ensures a certain amount of heat without the temperature becoming too high and scalding the person. Furthermore, even when the towel 4 is just applied to the patient's limb, it is still warm.The heat-conducting plate 24 only conducts a portion of the heat from the stored warm water. While this heat raises the temperature of the towel 4, it is far from enough to burn the patient's limbs, thus ensuring the towel 4 has sufficient heat for prolonged care.
[0033] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this technical solution are within the protection scope of this utility model.
Claims
1. A PICC catheter insertion postoperative upper arm heat therapy fixation band, comprising a filler cover (1), characterized in that: A heat insulation plate (2) is embedded in one side of the filling cover (1). A handle is installed at the top of the heat insulation plate (2). A first strap (3) is installed at both ends of the outer wall of the heat insulation plate (2). A towel (4) is attached to the bottom of the filling cover (1). A second strap (5) is attached to both sides of the towel (4). A fixing seat (8) is installed at one end of the outer wall of the filling cover (1). A flow hole extending to the inner side of the filling cover (1) is opened at one end of the fixing seat (8). A sealing plug (7) is engaged with the inner side of the flow hole. A sealing gasket that fits against the inner wall of the flow hole is embedded in one end of the outer wall of the sealing plug (7). The sealing plug (7) is engaged with the fixing seat (8) through a pressing mechanism. The pressing mechanism includes a quick-connect component and a rotating component. The quick-connect component is used to quickly connect the sealing plug (7). The rotating component is used to disassemble the sealing plug (7).
2. The PICC catheter placement postoperative upper arm heat therapy fixation bandage according to claim 1, characterized in that: The quick-connect assembly includes a connecting post installed at the other end of the sealing plug (7), and a pressing seat (11) installed at the other end of the connecting post. A rubber pad (9) is embedded in the bottom of the pressing seat (11). A through hole is opened at one end of the rubber pad (9). A locking plate (12) is installed at the through hole on the side of the pressing seat (11) near the fixing seat (8). A splicing groove is opened on the inner side of the fixing seat (8) corresponding to the through hole. The locking plate (12) and the splicing groove are slidably connected.
3. The upper arm heat therapy fixation bandage according to claim 2, characterized in that: The inner wall of the fixed base (8) is provided with a pressing groove (6) on one side of the splicing groove. A connecting rod (13) is rotatably connected to the inner wall of the pressing groove (6). A rotating plate (14) is sleeved on the outer side of the connecting rod (13). The pressing groove (6) is connected to the inner side of the splicing groove. The locking plate (12) and the rotating plate (14) are provided with mutually fitting guide slopes (15) at their opposite ends. An installation groove is provided on one side of the rotating plate (14) below its guide slope (15). A stabilizing spring (25) is installed between the installation groove and the inner wall of the pressing groove (6).
4. The PICC catheter placement postoperative upper arm heat therapy fixation bandage according to claim 3, characterized in that: The rotating plate (14) has a rotating groove inside its guide slope (15). A movable rod is rotatably connected inside the rotating groove. A protruding plate (16) is sleeved on the outside of the movable rod. A torsion spring (17) is installed between the movable rod and the inner wall of the rotating groove. The locking plate (12) has a groove (18) inside its guide slope (15). An abutting slope (19) that fits against the guide slope (15) is opened on one side of the protruding plate (16).
5. The upper arm heat therapy fixation bandage according to claim 4, characterized in that: The rotating assembly includes an operating groove on one end of the outer wall of the fixed base (8), a torsion plate (20) is installed on one end of the connecting rod (13) extending to the inner side of the operating groove, the outer side of the torsion plate (20) is printed with anti-slip texture, a limit plate (21) is installed on one end of the rotating plate (14), and a limit groove is provided on the inner wall of the pressing groove (6) that is slidably connected to the limit plate (21).
6. The upper arm heat therapy fixation bandage according to claim 5, characterized in that: Both ends of the second strap (5) are equipped with first hook and loop fasteners. The outer wall of the filling cover (1) is embedded with a first hook and loop fastener (22) corresponding to the first hook and loop fastener. One end of each of the two adjacent sets of first straps (3) is equipped with a second hook and loop fastener and a second hook and loop fastener, respectively. A heat-conducting plate (24) is embedded at the bottom of the filling cover (1).
7. The upper arm heat therapy fixation bandage according to claim 6, characterized in that: The other end of the filling cover (1) is embedded with a water inlet (23). The inner wall of the filling cover (1) is equipped with connecting springs on both sides of the water inlet (23). A sealing ball (10) is installed between the two sets of connecting springs. One side of the sealing ball (10) is in contact with one end of the water inlet (23).