Drainage tube assisted replacement device for hepatobiliary surgery nursing

Abstract

The application discloses a drainage tube auxiliary replacement device for hepatobiliary surgery nursing, and particularly relates to the technical field of surgical drainage equipment, which comprises a box body, first and second cavities are respectively formed in the box body, an adjusting mechanism is installed on the inner wall of the first cavity, a receiving mechanism is installed on the inner wall of the second cavity, one end of a second rotating shaft penetrates through three mounting grooves and is fixedly connected with a first servo motor, the first rotating shaft penetrates through the top of an N-shaped seat and is fixedly connected with a third bevel gear at the other end away from the first bevel gear, two fourth bevel gears are engaged with the outer wall of the third bevel gear, and winding rollers are fixedly connected with the sides of the two fourth bevel gears. When working, the new drainage tube can be unwound and replaced while the old drainage tube is disassembled and wound. The height of the placing box can be adjusted, so that the flexibility of the device in use is improved. The neatness of the medical devices is improved, so that medical staff can find the required devices more quickly.

Description

Technical Field

[0001] This invention relates to the field of surgical drainage equipment technology, and more specifically, to an auxiliary device for changing drainage tubes in hepatobiliary surgical care. Background Technology

[0002] In hepatobiliary surgery, we often encounter patients with hepatobiliary cysts or ascites. These patients usually require external drainage during treatment. A drainage tube is inserted into the patient's body using specialized equipment, and the fluid is drained out through the tube. In many cases, negative pressure equipment is also needed to assist in the drainage.

[0003] Chinese Patent Publication No. CN217828075U discloses a special auxiliary tool for changing closed thoracic drainage tubes. The tool includes a tool housing with a drainage tube storage box installed at one end and an instrument storage box installed on one side of the drainage tube storage box; a positioning sleeve fixedly installed on one end face of the tool housing, with a lifting rod installed inside the positioning sleeve; two clamping posts installed on one side above the lifting rod; a telescopic rod connected to the side outside the clamping posts; and a return spring connected to the side outside the telescopic rod; and an instrument sterilization box installed above the drainage tube storage box, with several partitions installed inside the instrument sterilization box. This special auxiliary tool for changing closed thoracic drainage tubes can use the return spring to move the telescopic rod and clamping posts closer together, thereby clamping and securing the drainage tube interface through the clamping posts, improving the overall replacement efficiency.

[0004] In the aforementioned patent application documents, although the device in the patent documents clamps the drainage tubes, the drainage tubes are stacked together when the device is in use. The drainage tubes are prone to getting tangled together, which means that when the drainage tubes need to be removed and used, multiple drainage tubes may need to be taken out at once and then manually separated. This increases the workload of medical staff.

[0005] Therefore, we propose an auxiliary device for changing drainage tubes in hepatobiliary surgery to solve the above problems. Summary of the Invention

[0006] To achieve the above objectives, the present invention provides the following technical solution: an auxiliary replacement device for drainage tubes in hepatobiliary surgery, comprising a box, wherein a first cavity and a second cavity are respectively opened inside the box, an adjustment mechanism is installed on the inner wall of the first cavity, a storage mechanism is installed on the inner wall of the second cavity, a placement box is installed on the top of the adjustment mechanism, and three sets of placement slots and three installation slots are evenly opened inside the placement box, with each installation slot being opened between each set of placement slots;

[0007] An N-shaped seat is fixedly installed on the inner wall of each mounting slot. A first rotating shaft is rotatably installed inside the N-shaped seat. A first bevel gear is fixedly installed at one end of the first rotating shaft. A second bevel gear meshes with one side of the first bevel gear. The second bevel gear is sleeved on the second rotating shaft.

[0008] One end of the second rotating shaft is rotatably mounted on the inner wall of one of the mounting slots, and the other end of the second rotating shaft passes through three mounting slots and is fixedly connected to a first servo motor. A circular groove is opened on the inner wall of one of the mounting slots at the mounting location of the first servo motor, and the first servo motor is fixedly mounted on the inner wall of the circular groove.

[0009] The first rotating shaft extends from the end away from the first bevel gear to the top of the N-shaped seat and is fixedly connected to a third bevel gear. Two fourth bevel gears mesh with the outer wall of the third bevel gear. A take-up roller is fixedly connected to one side of each of the two fourth bevel gears. The take-up roller extends from the end away from the fourth bevel gear to the placement groove and is rotatably mounted on the inner wall of the placement groove.

[0010] By adopting the above technical solution, the drainage tube can be wound and rolled up, ensuring the neatness of the drainage tube, preventing multiple drainage tubes from getting tangled together, avoiding the need to take out multiple drainage tubes when handling them, and eliminating the need for medical staff to manually separate tangled drainage tubes. This improves the ease of use of the device and reduces the workload of medical staff.

[0011] In a preferred embodiment, the adjustment mechanism includes a first groove, which is formed on the inner wall of the first cavity, and two first grooves are symmetrically arranged about the center line of the first cavity.

[0012] A first guide rod is fixedly installed on the inner wall of one of the first grooves, a first slider is sleeved on the outer wall of the first guide rod, and a support plate is fixedly installed on one side of the first slider.

[0013] In a preferred embodiment, a threaded block is fixedly installed on one side of the support plate, and a screw is threadedly installed inside the threaded block. The screw is rotatably installed on the inner wall of another first groove.

[0014] A fifth bevel gear is fixedly installed on the outer wall of the screw, a sixth bevel gear meshes with one side of the fifth bevel gear, and a third rotating shaft is fixedly installed on one side of the sixth bevel gear;

[0015] The third rotating shaft extends through one end away from the sixth bevel gear to one side of the housing and is fixedly connected to a second servo motor, which is fixedly installed on one side of the housing.

[0016] In a preferred embodiment, a support frame is fixedly installed on the top of the support plate, and the end of the support frame away from the support plate is fixedly installed on the bottom of the placement box;

[0017] The outer wall of the support frame is provided with a plurality of reinforcing rods, and the end of each reinforcing rod away from the support frame is also fixedly installed at the bottom of the placement box.

[0018] By adopting the above technical solution, the height of the placement box for the drainage tube can be adjusted, allowing the drainage tube to be raised during use and retracted when not in use. This also makes it convenient for medical staff of different heights to pick up and remove the drainage tube, improving the flexibility of the device.

[0019] In a preferred embodiment, the storage mechanism includes a drive belt, which is fitted to the outer wall of the third rotating shaft, and a fourth rotating shaft is fitted to the end of the drive belt away from the third rotating shaft.

[0020] One end of the fourth rotating shaft extends through the inner wall of the second cavity and is fixedly connected to a linear gear, with a toothed plate meshing on one side of the linear gear.

[0021] In a preferred embodiment, a first rotating seat is rotatably connected to one end of the toothed plate, and a second slider is fixedly installed on one side of the first rotating seat.

[0022] The second guide rod is sleeved inside the second slider, and a second groove is opened on one side of the inner wall of the second cavity at the installation position of the second guide rod. The second guide rod is fixedly installed on the inner wall of the second groove.

[0023] In a preferred embodiment, a second rotating seat is rotatably connected to the end of the toothed plate away from the first rotating seat, and a box door is fixedly installed on one side of the second rotating seat;

[0024] The door is hinged to the body, and one side of the door is fitted to the side of the second cavity opening of the body.

[0025] In a preferred embodiment, limit grooves are formed on both sides of the inner wall of the second cavity, and vertical plates are slidably installed on the inner wall of the limit grooves, with hooks fixedly installed on both sides of the vertical plates.

[0026] By adopting the above technical solution, medical instruments such as scissors and tweezers needed when changing drainage tubes can be placed and stored. The use of hooks can improve the neatness of the medical instruments and make it easier for medical staff to retrieve them more quickly, avoiding the stacking of medical instruments and improving the practicality of the device.

[0027] In a preferred embodiment, the top of the box is hinged with a cover, one side of which is fitted against the opening of the first cavity of the box, and the bottom of the cover is provided with a third groove, two of which are symmetrically arranged about the center line of the cover.

[0028] A third guide rod is fixedly installed on the inner wall of each of the two third grooves. A third slider is sleeved on the outer wall of the third guide rod. A third rotating seat is fixedly installed at the bottom of the third slider. A connecting rod is rotatably installed inside the third rotating seat. A fourth rotating seat is rotatably connected to the end of the connecting rod away from the third rotating seat. The fourth rotating seat is fixedly installed on the top of the placement box.

[0029] The technical effects and advantages of this invention are as follows:

[0030] 1. The first servo motor drives two fourth bevel gears to move in opposite directions, which in turn drives two corresponding take-up rollers to rotate in opposite directions. This allows for the disassembly and take-up of the old drainage tube while the new drainage tube is being unwound and replaced. This avoids the need for medical staff to place the old drainage tube before installing the new one, thus improving the efficiency of drainage tube replacement.

[0031] 2. By adjusting the various components in the adjustment mechanism, the height of the placement box for the drainage tube can be adjusted to meet the needs of medical staff of different heights and improve the flexibility of the device.

[0032] 3. Through the cooperation of various components in the storage mechanism, medical devices needed for changing drainage tubes can be stored and organized, which can improve the neatness of medical devices, avoid the stacking of medical devices, make it easier for medical staff to find the required devices more quickly, and improve the efficiency of drainage tube replacement. Attached Figure Description

[0033] Figure 1 This is a three-dimensional structural schematic diagram of the drainage tube replacement auxiliary device for hepatobiliary surgical care according to the present invention.

[0034] Figure 2 This is a first partial three-dimensional structural diagram of the drainage tube replacement device for hepatobiliary surgical care according to the present invention.

[0035] Figure 3 This is a partial three-dimensional structural diagram of the drainage tube replacement device for hepatobiliary surgical care according to the present invention.

[0036] Figure 4 This is a schematic diagram of the third partial three-dimensional structure of the drainage tube replacement device for hepatobiliary surgical care according to the present invention.

[0037] Figure 5 This invention relates to an auxiliary device for changing drainage tubes in hepatobiliary surgical care. Figure 4 Enlarged structural diagram at point A;

[0038] Figure 6This is a schematic diagram of the fourth partial three-dimensional structure of the drainage tube replacement device for hepatobiliary surgical care according to the present invention.

[0039] Figure 7 This is a partial three-dimensional structural diagram of the drainage tube replacement device for hepatobiliary surgical care according to the present invention.

[0040] Figure 8 This is a partial three-dimensional structural diagram of the drainage tube replacement device for hepatobiliary surgical care according to the present invention.

[0041] Figure 9 This is a schematic diagram of the seventh partial three-dimensional structure of the drainage tube replacement device for hepatobiliary surgical care of the present invention.

[0042] Figure 10 This is a partial three-dimensional structural diagram of the drainage tube replacement device for hepatobiliary surgical care according to the present invention.

[0043] Figure 11 This is a schematic diagram of the ninth partial three-dimensional structure of the drainage tube replacement device for hepatobiliary surgical care of the present invention.

[0044] Figure 12 This is a three-dimensional structural diagram of the tenth part of the drainage tube replacement device for hepatobiliary surgical care according to the present invention.

[0045] In the diagram: 101, housing; 102, placement box; 103, N-shaped seat; 104, first rotating shaft; 105, first bevel gear; 106, second bevel gear; 107, second rotating shaft; 108, first servo motor; 109, third bevel gear; 110, fourth bevel gear; 111, take-up roller; 112, cover; 113, third guide rod; 114, third slider; 115, connecting rod; 200, adjusting mechanism; 201, first guide rod; 202, first slider. ; 203, Support plate; 204, Threaded block; 205, Screw; 206, Fifth bevel gear; 207, Sixth bevel gear; 208, Third rotating shaft; 209, Second servo motor; 210, Support frame; 211, Reinforcing rod; 300, Storage mechanism; 301, Transmission belt; 302, Fourth rotating shaft; 303, Linear gear; 304, Gear plate; 305, Second slider; 306, Second guide rod; 307, Box door; 308, Vertical plate; 309, Hook. Detailed Implementation

[0046] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0047] Example 1:

[0048] In one feasible implementation, please refer to Figure 1-12 A drainage tube replacement auxiliary device for hepatobiliary surgery includes a housing 101. The housing 101 has a first cavity and a second cavity. An adjustment mechanism 200 is installed on the inner wall of the first cavity, and a storage mechanism 300 is installed on the inner wall of the second cavity. A placement box 102 is installed on the top of the adjustment mechanism 200. The placement box 102 has three sets of placement slots and three installation slots evenly distributed inside. Each installation slot is located between each set of placement slots. Multiple placement slots have through slots on their inner walls, which extend to the outer wall of the placement box 102. A conduit is fixedly connected to the outer wall of the placement box 102 at the location of the through slot. A valve is provided on the outer wall of the conduit.

[0049] The height of the placement box 102 can be adjusted by the adjustment mechanism 200 to meet the needs of different medical staff. The storage mechanism 300 can store the medical devices needed to replace the drainage tube. The placement box 102 can store the old drainage tube and the new drainage tube. The passage, tubing and valve work together to discharge the waste liquid discharged from the old drainage tube.

[0050] An N-shaped seat 103 is fixedly installed on the inner wall of each mounting slot. A first rotating shaft 104 is rotatably installed inside the N-shaped seat 103. A first bevel gear 105 is fixedly installed at one end of the first rotating shaft 104. A second bevel gear 106 meshes with one side of the first bevel gear 105. The second bevel gear 106 is fitted with a second rotating shaft 107.

[0051] One end of the second rotating shaft 107 is rotatably mounted on the inner wall of a mounting slot, and the other end of the second rotating shaft 107 passes through three mounting slots and is fixedly connected to the first servo motor 108. A circular groove is opened on the inner wall of one of the mounting slots at the mounting location of the first servo motor 108, and the first servo motor 108 is fixedly mounted on the inner wall of the circular groove.

[0052] When the first servo motor 108 is started, it can drive the second rotating shaft 107 to rotate. During the rotation of the second rotating shaft 107, it can drive the second bevel gear 106 to rotate. During the rotation of the second bevel gear 106, it can drive the first bevel gear 105 to rotate. During the rotation of the first bevel gear 105, it can drive the first rotating shaft 104 to rotate. Since the first rotating shaft 104 is rotatably installed inside the N-shaped seat 103, the first rotating shaft 104 can be positioned to prevent the first rotating shaft 104 from deflecting during rotation.

[0053] The first rotating shaft 104 extends from the end away from the first bevel gear 105 to the top of the N-shaped seat 103 and is fixedly connected to the third bevel gear 109. The outer wall of the third bevel gear 109 meshes with two fourth bevel gears 110. Each of the two fourth bevel gears 110 is fixedly connected to a take-up roller 111 on one side. The end of the take-up roller 111 away from the fourth bevel gear 110 extends to the placement groove and is rotatably installed on the inner wall of the placement groove.

[0054] During the rotation of the first rotating shaft 104, it can drive the third bevel gear 109 to rotate. During the rotation of the third bevel gear 109, it can drive the two fourth bevel gears 110 to rotate in opposite directions. During the rotation of the fourth bevel gears 110, it can drive the take-up roller 111 to rotate. Since the rotation directions of the two fourth bevel gears 110 are opposite, the rotation directions of the two take-up rollers 111 are also opposite. One take-up roller 111 can take up the old drain pipe, while the other take-up roller 111 takes up the new drain pipe.

[0055] Before replacing the old drainage tube, medical staff wrap one end of the new drainage tube around a take-up roller 111, and then start the first servo motor 108. As the first servo motor 108 drives the take-up roller 111 to rotate, it can wind the new drainage tube. When replacing the old drainage tube, one end of the old drainage tube is wrapped around another take-up roller 111, and then the first servo motor 108 is started. The first servo motor 108 drives the two take-up rollers 111 to rotate in opposite directions, thereby winding up the old drainage tube. When the old drainage tube is about to be finished winding up, the medical staff remove the other end of the drainage tube, unwind the new drainage tube, disinfect the connection port with the old drainage tube, and then connect one end of the new drainage tube to the connector.

[0056] A cover 112 is hinged to the top of the box 101. One side of the cover 112 is fitted to the side of the opening of the first cavity of the box 101. A third groove is provided at the bottom of the cover 112. There are two third grooves symmetrically arranged about the center line of the cover 112.

[0057] The sealing performance of the device can be improved by sealing the cap 112, which can prevent external objects from falling into the device.

[0058] A third guide rod 113 is fixedly installed on the inner wall of each of the two third grooves. A third slider 114 is sleeved on the outer wall of the third guide rod 113. A third rotating seat is fixedly installed at the bottom of the third slider 114. A connecting rod 115 is rotatably installed inside the third rotating seat. A fourth rotating seat is rotatably connected to the end of the connecting rod 115 away from the third rotating seat. The fourth rotating seat is fixedly installed on the top of the placement box 102.

[0059] During the process of ejecting the placement box 102, the two ends of the connecting rod 115 can be controlled to rotate in the third rotating seat and the fourth rotating seat respectively, thereby adjusting the tilt angle of the connecting rod 115. During the upward movement of the placement box 102, the connecting rod 115 can push the third slider 114 to slide on the third guide rod 113, thereby separating the top of the cover 112 from the box body 101, making it convenient for medical staff to place the old drainage tube and retrieve the new drainage tube.

[0060] Example 2:

[0061] Based on Embodiment 1, this embodiment describes the adjustment mechanism 200 in Embodiment 1. The adjustment mechanism 200 includes a first groove, which is formed on the inner wall of the first cavity. Two first grooves are symmetrically arranged about the center line of the first cavity.

[0062] A first guide rod 201 is fixedly installed on the inner wall of one of the first grooves, a first slider 202 is sleeved on the outer wall of the first guide rod 201, and a support plate 203 is fixedly installed on one side of the first slider 202.

[0063] A threaded block 204 is fixedly installed on one side of the support plate 203. A screw 205 is installed inside the threaded block 204. The screw 205 is rotatably installed on the inner wall of another first groove.

[0064] A fifth bevel gear 206 is fixedly installed on the outer wall of the screw 205. A sixth bevel gear 207 meshes with one side of the fifth bevel gear 206. A third rotating shaft 208 is fixedly installed on one side of the sixth bevel gear 207.

[0065] The third shaft 208 extends through one end away from the sixth bevel gear 207 to one side of the housing 101 and is fixedly connected to the second servo motor 209, which is fixedly installed on one side of the housing 101.

[0066] A support frame 210 is fixedly installed on the top of the support plate 203, and the end of the support frame 210 away from the support plate 203 is fixedly installed on the bottom of the placement box 102.

[0067] Multiple reinforcing rods 211 are arranged circumferentially on the outer wall of the support frame 210, and the end of each reinforcing rod 211 away from the support frame 210 is also fixedly installed at the bottom of the placement box 102.

[0068] The second servo motor 209 is activated, which drives the third rotating shaft 208 to rotate. During the rotation of the third rotating shaft 208, the sixth bevel gear 207 rotates, which in turn drives the fifth bevel gear 206 to rotate. During the rotation of the fifth bevel gear 206, the screw 205 rotates, which in turn drives the threaded block 204 to slide up and down inside the first groove. During the lifting and lowering process, the threaded block 204 drives the support plate 203 to lift and lower, which in turn drives the support frame 210 to lift and lower, which in turn drives the placement box 102 to lift and lower, thereby adjusting the height of the placement box 102. During the lifting and lowering process, the support plate 203 drives the first slider 202 to slide on the first guide rod 201, thereby guiding and limiting the lifting and lowering of the support plate 203 and preventing the support plate 203 from tilting during the lifting and lowering process.

[0069] Example 3:

[0070] Based on Embodiment 1, this embodiment describes the storage mechanism 300 in Embodiment 1. The storage mechanism 300 includes a transmission belt 301, which is attached to the outer wall of the third rotating shaft 208. A fourth rotating shaft 302 is attached to the end of the transmission belt 301 away from the third rotating shaft 208.

[0071] During the rotation of the second servo motor 209, the transmission belt 301 can be driven to rotate, and during the rotation of the transmission belt 301, the fourth rotating shaft 302 can be driven to rotate.

[0072] One end of the fourth rotating shaft 302 extends through the inner wall of the second cavity and is fixedly connected to a linear gear 303. A toothed plate 304 meshes with one side of the linear gear 303.

[0073] During the rotation of the fourth rotating shaft 302, it can drive the linear gear 303 to rotate, and during the rotation of the linear gear 303, it can drive the toothed plate 304 to move. The linear gear 303 and the toothed plate 304 are meshed together.

[0074] One end of the toothed plate 304 is rotatably connected to a first rotating seat, and a second slider 305 is fixedly installed on one side of the first rotating seat;

[0075] The second slider 305 is fitted with a second guide rod 306 inside. A second groove is opened on one side of the inner wall of the second cavity at the installation location of the second guide rod 306. The second guide rod 306 is fixedly installed on the inner wall of the second groove.

[0076] During the movement of the toothed plate 304, it can drive the second slider 305 to slide on the second guide rod 306, thereby guiding and limiting the movement of the toothed plate 304 and preventing the toothed plate 304 from deviating during the movement.

[0077] The toothed plate 304 is rotatably connected to a second rotating seat at the end away from the first rotating seat, and a box door 307 is fixedly installed on one side of the second rotating seat;

[0078] During the movement of the toothed plate 304, it can push or pull the box door 307, thereby controlling the opening and closing of the box door 307. When the placement box 102 is rising, the box door 307 will be pushed open, and when the placement box 102 is falling, the box door 307 will be closed.

[0079] The door 307 is hinged to the body 101, and one side of the door 307 is fitted to the side of the second cavity opening of the body 101.

[0080] Limiting grooves are provided on both sides of the inner wall of the second cavity. A vertical plate 308 is slidably installed on the inner wall of the limiting groove, and hooks 309 are fixedly installed on both sides of the vertical plate 308.

[0081] When in use, the user can insert the vertical plate 308 with the hook 309 installed into the limiting groove, and then hang the medical device to be used on the hook 309 for easy access and to reduce search time.

[0082] It should be noted that the first servo motor 108 and the second servo motor 209 are existing devices or equipment, or devices or equipment that can be implemented by existing technology. Their power supply, specific composition and principle are clear to those skilled in the art, so they will not be described in detail.

[0083] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0084] Secondly: The accompanying drawings of the embodiments disclosed in this invention only involve the structures involved in the embodiments disclosed in this invention. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this invention can be combined with each other.

[0085] In conclusion, the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A drainage tube replacement auxiliary device for hepatobiliary surgery nursing, comprising a housing (101), characterized in that: The box (101) has a first cavity and a second cavity. An adjustment mechanism (200) is installed on the inner wall of the first cavity, and a storage mechanism (300) is installed on the inner wall of the second cavity. A placement box (102) is installed on the top of the adjustment mechanism (200). The placement box (102) has three sets of placement slots and three installation slots evenly distributed inside. Each installation slot is located between each set of placement slots. An N-shaped seat (103) is fixedly installed on the inner wall of each mounting slot. A first rotating shaft (104) is rotatably installed inside the N-shaped seat (103). A first bevel gear (105) is fixedly installed at one end of the first rotating shaft (104). A second bevel gear (106) meshes with one side of the first bevel gear (105). The second bevel gear (106) is fitted with a second rotating shaft (107). One end of the second rotating shaft (107) is rotatably mounted on the inner wall of one of the mounting slots, and the other end of the second rotating shaft (107) passes through three mounting slots and is fixedly connected to a first servo motor (108). A circular groove is opened on the inner wall of one of the mounting slots at the mounting location of the first servo motor (108), and the first servo motor (108) is fixedly mounted on the inner wall of the circular groove. The storage mechanism (300) includes a transmission belt (301), which is attached to the outer wall of the third rotating shaft (208), and a fourth rotating shaft (302) is attached to the end of the transmission belt (301) away from the third rotating shaft (208). One end of the fourth rotating shaft (302) extends through the inner wall of the second cavity and is fixedly connected to a linear gear (303), and a toothed plate (304) meshes with one side of the linear gear (303). One end of the toothed plate (304) is rotatably connected to a first rotating seat, and a second slider (305) is fixedly installed on one side of the first rotating seat. The second slider (305) is fitted with a second guide rod (306), and a second groove is provided on one side of the inner wall of the second cavity at the installation location of the second guide rod (306), and the second guide rod (306) is fixedly installed on the inner wall of the second groove; During the movement of the toothed plate (304), it can push or pull the box door (307) to control the opening and closing of the box door (307). When the placement box (102) is rising, the box door (307) will be opened, and when the placement box (102) is falling, the box door (307) will be closed.

2. The drainage tube replacement auxiliary device for hepatobiliary surgery nursing according to claim 1, characterized in that: The first rotating shaft (104) extends from the first bevel gear (105) to the top of the N-shaped seat (103) and is fixedly connected to a third bevel gear (109). The outer wall of the third bevel gear (109) meshes with two fourth bevel gears (110). A take-up roller (111) is fixedly connected to one side of each of the two fourth bevel gears (110). The end of the take-up roller (111) that extends from the fourth bevel gear (110) extends to the placement groove and is rotatably mounted on the inner wall of the placement groove. The adjustment mechanism (200) includes a first groove, which is formed on the inner wall of the first cavity, and two first grooves are symmetrically arranged about the center line of the first cavity. A first guide rod (201) is fixedly installed on the inner wall of one of the first grooves, a first slider (202) is sleeved on the outer wall of the first guide rod (201), and a support plate (203) is fixedly installed on one side of the first slider (202).

3. The drainage tube replacement auxiliary device for hepatobiliary surgery nursing according to claim 2, characterized in that: A threaded block (204) is fixedly installed on one side of the support plate (203), and a screw (205) is installed inside the threaded block (204). The screw (205) is rotatably installed on the inner wall of another first groove. A fifth bevel gear (206) is fixedly installed on the outer wall of the screw (205), a sixth bevel gear (207) meshes with one side of the fifth bevel gear (206), and a third rotating shaft (208) is fixedly installed on one side of the sixth bevel gear (207). The third rotating shaft (208) extends through one end away from the sixth bevel gear (207) to one side of the housing (101) and is fixedly connected to a second servo motor (209), which is fixedly installed on one side of the housing (101).

4. The drainage tube replacement auxiliary device for hepatobiliary surgery nursing according to claim 3, characterized in that: A support frame (210) is fixedly installed on the top of the support plate (203), and the end of the support frame (210) away from the support plate (203) is fixedly installed on the bottom of the placement box (102); The outer wall of the support frame (210) is provided with a plurality of reinforcing rods (211), and the end of each reinforcing rod (211) away from the support frame (210) is also fixedly installed at the bottom of the placement box (102).

5. The drainage tube replacement auxiliary device for hepatobiliary surgery nursing according to claim 4, characterized in that: The toothed plate (304) is rotatably connected to a second rotating seat at the end away from the first rotating seat, and a box door (307) is fixedly installed on one side of the second rotating seat. The door (307) is hinged to the body (101), and one side of the door (307) is fitted to the side of the second cavity opening of the body (101).

6. The drainage tube replacement auxiliary device for hepatobiliary surgery nursing according to claim 5, characterized in that: Limiting grooves are provided on both sides of the inner wall of the second cavity. A vertical plate (308) is slidably installed on the inner wall of the limiting groove. Hooks (309) are fixedly installed on both sides of the vertical plate (308).

7. The drainage tube replacement auxiliary device for hepatobiliary surgery nursing according to claim 1, characterized in that: The top of the box (101) is hinged with a cover (112). One side of the cover (112) is fitted to the side of the first cavity opening of the box (101). A third groove is provided at the bottom of the cover (112). There are two third grooves symmetrically arranged around the center line of the cover (112). A third guide rod (113) is fixedly installed on the inner wall of each of the two third grooves. A third slider (114) is sleeved on the outer wall of the third guide rod (113). A third rotating seat is fixedly installed at the bottom of the third slider (114). A connecting rod (115) is rotatably installed inside the third rotating seat. A fourth rotating seat is rotatably connected to the end of the connecting rod (115) away from the third rotating seat. The fourth rotating seat is fixedly installed on the top of the placement box (102).

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