Burn patient bandage winding assisting device and method

Abstract

The application discloses a kind of bandage winding auxiliary devices and methods for burn patients, it is related to medical auxiliary device technical field, including: installation ring rail;Driven sliding gear, the driven sliding gear is slidably connected in the inside of installation ring rail;Turnover extension mechanism is set on driven sliding gear, the turnover extension mechanism is used to adjust expansion according to different burn position of patient.This application discloses a kind of bandage winding auxiliary devices and methods for burn patients, when the bandage of burn patient is wound, if the diameter of patient burn position is greater than the diameter of installation ring rail three-fifths, then electromagnet is powered off, iron sliding ring is moved to electromagnet two, electromagnet two is powered on and iron sliding ring is adsorbed, adjusts electric telescopic rod one and drives sliding long rod to move, so that the direction of placing cylinder moves away from the center point of installation ring rail, then the range of bandage winding is enlarged, the effect of improving the application range of the auxiliary device is achieved.

Description

Technical Field

[0001] This invention relates to the field of medical assistive device technology, and in particular to an assistive device and method for bandaging burn patients. Background Technology

[0002] During the treatment of burn patients, it is necessary to wrap bandages around the burn area. In order to improve the effect of bandage wrapping and reduce the pain of the injured person during the wrapping process, it is necessary to use a wrapping auxiliary device to replace manual wrapping.

[0003] Existing wrapping aids cannot be adjusted according to the location of the burn during use. If the maximum diameter of the area where the wound needs to be wrapped exceeds the maximum diameter of the bandage rotation, the wrapping aid must be replaced, or the bandage must be wrapped manually, thus reducing the applicability of the wrapping aid. Summary of the Invention

[0004] This invention discloses a bandage wrapping auxiliary device for burn patients, aiming to solve the technical problem that existing wrapping auxiliary devices cannot be adjusted according to the burn location of the patient during use. If the maximum diameter of the area where the patient needs to wrap exceeds the maximum diameter of the bandage rotation, the wrapping auxiliary device needs to be replaced, or the bandage needs to be wrapped manually, thereby reducing the applicability of the wrapping auxiliary device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A bandage wrapping aid for burn patients includes:

[0007] Install ring rails;

[0008] Driven sliding teeth, which are slidably connected to the inside of the mounting ring rail;

[0009] A flipping and expanding mechanism is provided on the driven sliding tooth. The flipping and expanding mechanism is used to adjust and expand according to different burn locations of the patient, thereby improving the applicability of the wrapping auxiliary device.

[0010] A quick-change mechanism is provided on the flipping and expanding mechanism, and the quick-change mechanism is used for quick replacement of the wrapped bandage;

[0011] The constant pressure wrapping mechanism is located on the periphery of the quick-change mechanism. The constant pressure wrapping mechanism is used to achieve constant adjustment of the bandage wrapping pressure, so as to avoid burn patients from re-injury due to the bandage being wrapped too tightly, and also to avoid the bandage from falling off due to the wrapping being too loose.

[0012] In a preferred embodiment, the flipping and expanding mechanism includes a track slide bar, which is fixedly connected to the top of the driven slide tooth. An iron sliding ring is slidably connected to the outer wall of the track slide bar at the top. An installation rod is fixedly connected to the top of the iron sliding ring. A base plate is fixedly connected to the top of the installation rod. An extension groove is opened on the base plate, and a sliding long rod is slidably connected inside the extension groove.

[0013] In a preferred embodiment, an end block is fixedly connected to the top of the base plate, and an electric telescopic rod is fixedly connected to the side of the end block facing the sliding rod. The output end of the electric telescopic rod is fixedly connected to one side of the sliding rod. A fixed rod is fixedly connected to the bottom of the base plate, and telescopic connecting rods are fixedly connected at equal intervals to one side of the fixed rod. The ends of multiple telescopic connecting rods are fixedly connected to the same integrated rod, and the integrated rod is fixedly connected to the bottom of the sliding rod away from the base plate.

[0014] In a preferred embodiment, an end ring is fixedly connected to the outer wall of the track slide near the bottom, and an electromagnet is fixedly connected to the bottom of the end ring. An electromagnet is fixedly connected to the top of the driven slide tooth located below the iron sliding ring.

[0015] In a preferred embodiment, the quick-change mechanism includes a placement tube, which is fixedly connected to the top of the sliding rod. A cap is screwed onto the top of the placement tube, and two symmetrically distributed perforations are opened on the side wall of the placement tube. A guide rod is fixedly connected to each perforation of the placement tube.

[0016] In a preferred embodiment, a drive motor is fixedly connected to the bottom inner wall of the placement cylinder, and the output shaft of the drive motor is fixedly connected to a rotating shaft via a coupling. A sleeve is fixedly connected to the outer wall of the rotating shaft, and multiple sets of compression spring rods are provided on the outer wall of the sleeve. The end of each set of compression spring rods is fixedly connected to the same inner support plate.

[0017] In a preferred embodiment, the constant pressure winding mechanism includes a tension rod, and the outer wall of the placement cylinder located at the perforation is fixedly connected to a mounting plate, and one side of the mounting plate facing the perforation is fixedly connected to an electric telescopic rod two at equal intervals, and the tension rod is fixedly connected to the output end of the multiple electric telescopic rod twos.

[0018] In a preferred embodiment, the tension rod has an installation groove on the outer wall facing the perforation, and pressure sensors are fixedly connected at equal intervals inside the installation groove. Telescopic connecting rods are fixedly connected inside the installation groove at the periphery of each pressure sensor. The ends of multiple telescopic connecting rods are fixedly connected to the same pressure-bearing arc plate. The pressure-bearing arc plate has a shaft hole, and sliding rods are connected at equal intervals inside the shaft hole via bearings.

[0019] In a preferred embodiment, a mounting bracket is fixedly connected to the bottom of the mounting ring rail, and a motor base is fixedly connected to the top of the mounting bracket away from the mounting ring rail. A second drive motor is fixedly connected to the top of the motor base. The output shaft of the second drive motor is fixedly connected to a drive shaft via a coupling. An active rotating gear is fixedly connected to the outer wall of the drive shaft, and the active rotating gear meshes with a driven sliding gear. A connecting bracket is fixedly connected to the bottom of the mounting bracket, and a protective box is fixedly connected to the end of the connecting bracket. The protective box is located around the second drive motor, and a docking bracket is fixedly connected to the outer wall of the mounting ring rail away from the protective box.

[0020] A method for assisting in bandaging burn patients, using a bandage wrapping assisting device for burn patients as described above, includes the following steps;

[0021] Step 1: Adjust the position of the placement tube according to the diameter of the patient's burn area. If the diameter of the burn area is less than three-fifths of the diameter of the installation ring rail, directly pass the burn area through the installation ring rail and start wrapping the bandage. If the diameter of the burn area is greater than three-fifths of the diameter of the installation ring rail, de-energize electromagnet one, move the iron sliding ring to electromagnet two, energize electromagnet two to attract the iron sliding ring, and adjust electric telescopic rod one to drive the sliding rod to move.

[0022] Step 2: After adjustment, move the patient's burn area to the center point below the installation ring rail, manually pull the bandage out from the corresponding hole and wrap it around the patient's burn area once, then start the drive motor to drive the bandage to release the bandage.

[0023] Step 3: Start the drive motor 2 to drive the active rotating gear to rotate, which in turn drives the driven sliding gear to rotate, thereby causing the bandage inside the placement tube to wrap around the patient's burn area.

[0024] As can be seen from the above, the bandage wrapping auxiliary device for burn patients provided by the present invention has the following technical effects: when wrapping bandages for burn patients, if the diameter of the burn location is less than three-fifths of the diameter of the mounting ring, the burn location is directly passed through the mounting ring to begin wrapping the bandage; if the diameter of the burn location is greater than three-fifths of the diameter of the mounting ring, electromagnet one is de-energized, the iron sliding ring is moved to electromagnet two, electromagnet two is energized to attract the iron sliding ring, and the electric telescopic rod one is adjusted to drive the sliding rod to move, so that the placement cylinder moves away from the center point of the mounting ring, thereby expanding the bandage wrapping range and improving the applicability of the auxiliary device. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of a bandage wrapping auxiliary device for burn patients proposed in this invention.

[0026] Figure 2 for Figure 1 The overall structural main view.

[0027] Figure 3 This is a schematic diagram of the flipping and expanding mechanism of a bandage wrapping auxiliary device for burn patients proposed in this invention.

[0028] Figure 4 for Figure 3 A schematic diagram of the planar structure.

[0029] Figure 5 This is a schematic diagram of the constant pressure winding mechanism of a bandage wrapping auxiliary device for burn patients proposed in this invention.

[0030] Figure 6 This is a schematic diagram of the internal structure of the mounting cylinder of the bandage wrapping auxiliary device for burn patients proposed in this invention.

[0031] Figure 7 This is a structural breakdown diagram of the tension rod and pressure-bearing arc plate of a bandage wrapping auxiliary device for burn patients proposed in this invention.

[0032] In the diagram: 1. Mounting ring rail; 2. Connecting frame; 3. Tilting and expanding mechanism; 301. Track slide bar; 302. End ring; 303. Iron sliding ring; 304. Mounting rod; 305. End block; 306. Electric telescopic rod one; 307. Extension slide groove; 308. Base plate; 309. Sliding long rod; 310. Telescopic connecting rod one; 311. Integrating rod; 312. Fixing rod; 313. Electromagnet one; 314. Electromagnet two; 4. Quick replacement mechanism; 401. Placement cylinder; 402. Rotating shaft; 403. Drive motor one; 404. Inner... 405. Support plate; 406. Guide rod; 407. Perforation; 408. Sleeve; 409. Compression spring rod; 5. Driven sliding tooth; 6. Active rotating tooth; 7. Protective box; 8. Drive shaft; 9. Cylinder cover; 10. Drive motor II; 11. Motor base; 12. Connecting frame; 13. Mounting frame; 14. Constant pressure winding mechanism; 1401. Tension round rod; 1402. Electric telescopic rod II; 1403. Mounting plate; 1404. Pressure-bearing arc plate; 1405. Sliding round rod; 1406. Mounting groove; 1407. Pressure sensor; 1408. Telescopic connecting rod II. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0034] The bandage wrapping auxiliary device disclosed in this invention is mainly applicable to scenarios where existing wrapping auxiliary devices cannot be adjusted according to the burn location of the patient. If the maximum diameter of the area where the patient needs to wrap exceeds the maximum diameter of the bandage rotation, the wrapping auxiliary device needs to be replaced, or the bandage needs to be wrapped manually, thereby reducing the applicable scope of the wrapping auxiliary device.

[0035] Reference Figures 1-7 A bandage wrapping aid for burn patients, comprising:

[0036] Install ring rail 1;

[0037] Driven sliding tooth 5 is slidably connected inside the mounting ring rail 1;

[0038] The flipping and expanding mechanism 3 is set on the driven sliding tooth 5. The flipping and expanding mechanism 3 is used to adjust and expand according to different burn locations of the patient, thereby improving the applicability of the wrapping auxiliary device.

[0039] The quick-change mechanism 4 is mounted on the flipping and expanding mechanism 3 and is used for quick replacement of the wrapping bandage.

[0040] The constant pressure wrapping mechanism 14 is located on the periphery of the quick change mechanism 4. The constant pressure wrapping mechanism 14 is used to achieve constant adjustment of the bandage wrapping pressure, so as to avoid burn patients from re-injury due to the bandage being wrapped too tightly, and also to avoid the bandage from falling off due to the wrapping being too loose.

[0041] Reference Figures 1-4In a preferred embodiment, the flipping and expanding mechanism 3 includes a track slide bar 301, which is fixedly connected to the top of the driven slide tooth 5. An iron sliding ring 303 is slidably connected to the outer wall of the track slide bar 301 at the top. A mounting rod 304 is fixedly connected to the top of the iron sliding ring 303. A base plate 308 is fixedly connected to the top of the mounting rod 304. An extension groove 307 is opened on the base plate 308. A sliding long rod 309 is slidably connected inside the extension groove 307. An end block 305 is fixedly connected to the top of the base plate 308, and an electric telescopic rod 306 is fixedly connected to the side of the end block 305 facing the sliding long rod 309. The output end of the electric telescopic rod 306 is fixedly connected to one side of the sliding rod 309. A fixed rod 312 is fixedly connected to the bottom of the base plate 308. Telescopic connecting rods 310 are fixedly connected at equal intervals to one side of the fixed rod 312. The ends of multiple telescopic connecting rods 310 are fixedly connected to the same integrated rod 311. The integrated rod 311 is fixedly connected to the bottom of the sliding rod 309 away from the base plate 308. An end ring 302 is fixedly connected to the outer wall of the track slide rod 301 near the bottom. An electromagnet 314 is fixedly connected to the bottom of the end ring 302. An electromagnet 313 is fixedly connected to the top of the driven sliding tooth 5 located below the iron sliding ring 303.

[0042] In specific application scenarios, when bandaging burn patients, if the diameter of the burn site is less than three-fifths of the diameter of the mounting ring 1, the bandage is directly wrapped around the burn site through the mounting ring 1. If the diameter of the burn site is greater than three-fifths of the diameter of the mounting ring 1, the electromagnet 1 313 is de-energized, and the iron sliding ring 303 is moved to the position of the electromagnet 2 314. The electromagnet 2 314 is energized to attract the iron sliding ring 303. The electric telescopic rod 1 306 is adjusted to drive the sliding rod 309 to move, so that the placement cylinder 401 moves away from the center point of the mounting ring 1, thereby expanding the bandage wrapping range and improving the applicability of the auxiliary device.

[0043] Reference Figure 1 , Figure 2 , Figure 5 and Figure 6In a preferred embodiment, the quick-change mechanism 4 includes a placement cylinder 401, which is fixedly connected to the top of the sliding rod 309. A cylinder cap 9 is screwed onto the top of the placement cylinder 401. Two symmetrically distributed perforations 406 are opened on the side wall of the placement cylinder 401. A guide rod 405 is fixedly connected to each of the perforations 406 on the placement cylinder 401. A drive motor 403 is fixedly connected to the bottom inner wall of the placement cylinder 401. The output shaft of the drive motor 403 is fixedly connected to a rotating shaft 402 through a coupling. A sleeve 407 is fixedly connected to the outer wall of the rotating shaft 402. Multiple sets of compression spring rods 408 are provided on the outer wall of the sleeve 407. The end of each set of compression spring rods 408 is fixedly connected to the same inner support plate 404.

[0044] Specifically, when replacing the bandage inside the placement tube 401, unscrew the tube cap 9, remove the original bandage winding layer, press the new bandage into the outside of multiple inner support plates 404, and manually press it to the bottom. The compression spring rod 408 in the compressed state will drive the inner support plates 404 to support the bandage, and quickly complete the bandage replacement.

[0045] Reference Figure 1 , Figure 5 and Figure 7 In a preferred embodiment, the constant pressure winding mechanism 14 includes a tension rod 1401, and mounting plates 1403 are fixedly connected to the outer walls of the placement cylinder 401 located at the through hole 406. Electric telescopic rods 1402 are fixedly connected at equal intervals on one side of the mounting plate 1403 facing the through hole 406. The tension rod 1401 is fixedly connected to the output ends of multiple electric telescopic rods 1402. The tension rod 1401 has a mounting groove 1406 on the outer wall facing the through hole 406, and pressure sensors 1407 are fixedly connected at equal intervals inside the mounting groove 1406. Telescopic connecting rods are fixedly connected inside the mounting groove 1406 at the periphery of each pressure sensor 1407. The ends of multiple telescopic connecting rods 1408 are fixedly connected to the same pressure-bearing arc plate 1404. The pressure-bearing arc plate 1404 has a shaft hole, and sliding rods 1405 are connected at equal intervals inside the shaft hole via bearings.

[0046] It should be noted that when the bandage is wrapped, it is pulled out from the perforation 406 and covers the periphery of the tension rod 1401. During the wrapping process, it compresses the pressure-bearing arc plate 1404, which in turn compresses the pressure sensor 1407 inside the mounting groove 1406. The pressure sensor 1407 monitors the pressure on the patient's burn site in real time during the wrapping process and keeps the pressure constant within a safe range to avoid excessive compression that could cause secondary damage to the burn site. At the same time, it also prevents the bandage from falling off due to excessively loose wrapping.

[0047] Reference Figure 1 and Figure 2 In a preferred embodiment, a mounting bracket 13 is fixedly connected to the bottom of the mounting ring rail 1, and a motor base 11 is fixedly connected to the top of the mounting bracket 13 away from the top of the mounting ring rail 1. A second drive motor 10 is fixedly connected to the top of the motor base 11. The output shaft of the second drive motor 10 is fixedly connected to a drive shaft 8 via a coupling. An active rotating gear 6 is fixedly connected to the outer side wall of the drive shaft 8. The active rotating gear 6 meshes with a driven sliding gear 5. A connecting bracket 12 is fixedly connected to the bottom of the mounting bracket 13. A protective box 7 is fixedly connected to the end of the connecting bracket 12. The protective box 7 is located around the second drive motor 10. A docking bracket 2 is fixedly connected to the outer side wall of the mounting ring rail 1 away from the protective box 7.

[0048] A method for assisting in bandaging burn patients, using a bandage wrapping assisting device for burn patients as described above, includes the following steps;

[0049] Step 1: Adjust the position of the placement tube 401 according to the diameter of the patient's burn area. If the diameter of the patient's burn area is less than three-fifths of the diameter of the installation ring rail 1, then directly pass the burn area through the installation ring rail 1 to start wrapping the bandage. If the diameter of the patient's burn area is greater than three-fifths of the diameter of the installation ring rail 1, then de-energize the electromagnet 1 313, move the iron sliding ring 303 to the electromagnet 2 314, and energize the electromagnet 2 314 to attract the iron sliding ring 303. Adjust the electric telescopic rod 1 306 to drive the sliding rod 309 to move.

[0050] Step 2: After adjustment, move the patient's burn area to the center point below the installation ring rail 1, manually pull the bandage out from the corresponding perforation 406 and wrap it around the patient's burn area once, then start the drive motor 403 to drive the bandage to release the bandage.

[0051] Step 3: Start the drive motor 210 to drive the active rotating gear 6 to rotate. The active rotating gear 6 drives the driven sliding gear 5 to rotate, thereby driving the bandage inside the placement cylinder 401 to wrap around the patient's burn area.

[0052] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A burn patient bandage winding assisting device characterized by, include: Install the ring rail (1); Driven sliding tooth (5), which is slidably connected to the inside of the mounting ring rail (1); The flipping and expanding mechanism (3) is set on the driven sliding tooth (5). The flipping and expanding mechanism (3) is used to adjust and expand according to the different burn locations of the patient, thereby improving the applicability of the wrapping auxiliary device. A quick-change mechanism (4) is provided on the flipping and expanding mechanism (3), and the quick-change mechanism (4) is used for quick replacement of the wrapping bandage; The constant pressure winding mechanism (14) is located on the periphery of the quick change mechanism (4). The constant pressure winding mechanism (14) is used to achieve constant adjustment of the bandage winding pressure, so as to avoid burn patients from having a second injury due to the bandage being wrapped too tightly, and also to avoid the bandage from falling off due to the bandage being wrapped too loosely. The flipping and expanding mechanism (3) includes a track slide bar (301), and the track slide bar (301) is fixedly connected to the top of the driven slide tooth (5). An iron sliding ring (303) is slidably connected to the outer wall of the track slide bar (301) at the top. An installation rod (304) is fixedly connected to the top of the iron sliding ring (303). A base plate (308) is fixedly connected to the top of the installation rod (304). An extension groove (307) is opened on the base plate (308). A sliding long rod (309) is slidably connected inside the extension groove (307). The top of the base plate (308) is fixedly connected to an end block (305), and an electric telescopic rod (306) is fixedly connected to the side of the end block (305) facing the sliding rod (309). The output end of the electric telescopic rod (306) is fixedly connected to one side of the sliding rod (309). A fixed rod (312) is fixedly connected to the bottom of the base plate (308). Telescopic connecting rods (310) are fixedly connected at equal intervals to one side of the fixed rod (312). The ends of multiple telescopic connecting rods (310) are fixedly connected to the same integrated rod (311). The integrated rod (311) is fixedly connected to the bottom of the sliding rod (309) away from the base plate (308). The track slide bar (301) is fixedly connected to an end ring (302) near the bottom of the outer wall, and an electromagnet (314) is fixedly connected to the bottom of the end ring (302). The driven slide tooth (5) is fixedly connected to an electromagnet (313) at the top below the iron sliding ring (303).

2. A burn patient bandage wrapping assist device according to claim 1, wherein The quick-change mechanism (4) includes a placement tube (401), which is fixedly connected to the top of the sliding rod (309). A cap (9) is screwed onto the top of the placement tube (401). Two symmetrically distributed perforations (406) are opened on the side wall of the placement tube (401). A guide rod (405) is fixedly connected to each of the perforations (406) of the placement tube (401).

3. A burn patient bandage wrapping assist device according to claim 2, wherein The bottom inner wall of the placement cylinder (401) is fixedly connected to a drive motor (403), and the output shaft of the drive motor (403) is fixedly connected to a rotating shaft (402) through a coupling. The outer wall of the rotating shaft (402) is fixedly connected to a sleeve (407), and the outer wall of the sleeve (407) is provided with multiple sets of compression spring rods (408). The end of each set of compression spring rods (408) is fixedly connected to the same inner support plate (404).

4. A burn bandaging assist device according to claim 3, wherein The constant pressure winding mechanism (14) includes a tension rod (1401), and the outer wall of the placement cylinder (401) located at the through hole (406) is fixedly connected to a mounting plate (1403). Electric telescopic rods (1402) are fixedly connected at equal distances on one side of the mounting plate (1403) facing the through hole (406). The tension rod (1401) is fixedly connected to the output end of multiple electric telescopic rods (1402).

5. The bandage wrapping auxiliary device for burn patients according to claim 4, characterized in that, The tension rod (1401) has an installation groove (1406) on the outer wall facing the through hole (406), and pressure sensors (1407) are fixedly connected at equal intervals inside the installation groove (1406). Telescopic connecting rods are fixedly connected inside the installation groove (1406) at the periphery of each pressure sensor (1407). The ends of multiple telescopic connecting rods (1408) are fixedly connected to the same pressure-bearing arc plate (1404). The pressure-bearing arc plate (1404) has a shaft hole, and sliding rods (1405) are connected at equal intervals inside the shaft hole through bearings.

6. The bandage wrapping auxiliary device for burn patients according to claim 5, characterized in that, The bottom of the mounting ring (1) is fixedly connected to a mounting bracket (13), and the top of the mounting bracket (13) away from the mounting ring (1) is fixedly connected to a motor base (11). The top of the motor base (11) is fixedly connected to a second drive motor (10). The output shaft of the second drive motor (10) is fixedly connected to a drive shaft (8) through a coupling. The outer side wall of the drive shaft (8) is fixedly connected to an active rotating gear (6). The active rotating gear (6) meshes with the driven sliding gear (5). The bottom of the mounting bracket (13) is fixedly connected to a connecting bracket (12). The end of the connecting bracket (12) is fixedly connected to a protective box (7). The protective box (7) is located outside the second drive motor (10). The outer side wall of the mounting ring (1) away from the protective box (7) is fixedly connected to a docking bracket (2).

7. A method for assisting in bandaging burn patients, using the bandage-wrapping assisting device for burn patients as described in claim 6, characterized in that, Includes the following steps; Step 1: Adjust the position of the placement tube (401) according to the diameter of the patient's burn area. If the diameter of the patient's burn area is less than three-fifths of the diameter of the installation ring rail (1), the burn area is directly passed through the installation ring rail (1) to start wrapping the bandage. If the diameter of the patient's burn area is greater than three-fifths of the diameter of the installation ring rail (1), the first electromagnet (313) is de-energized, and the iron sliding ring (303) is moved to the second electromagnet (314). The second electromagnet (314) is energized to attract the iron sliding ring (303). Adjust the first electric telescopic rod (306) to drive the sliding rod (309) to move. Step 2: After adjustment, move the patient's burn area to the center point below the installation ring rail (1), manually pull the bandage out from the corresponding perforation (406) and wrap it around the patient's burn area once, then start the drive motor (403) to drive the bandage to perform the thread release operation. Step 3: Start the drive motor 2 (10) to drive the active rotating gear (6) to rotate. The active rotating gear (6) drives the driven sliding gear (5) to rotate, thereby driving the bandage inside the placement tube (401) to wrap around the patient's burn area.

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