A medical surgical outpatient dressing change auxiliary equipment convenient to move

Abstract

The application discloses a medical surgical outpatient dressing change auxiliary equipment convenient to move, and relates to the technical field of surgical dressing change auxiliary equipment, and comprises a cart, a shielding mechanism arranged above the cart and a supporting assembly. Two reciprocating lead screws are driven to rotate by a motor, and two push strips reciprocate on the reciprocating lead screws. When the push strips move, they move a distance in the slot. At this time, the L-shaped moving seat is not moved. After moving to one end of the slot, continuous movement drives the L-shaped moving seat to move, and in turn drives the soft support arm to move. At this time, the soft support arm is rotated and shifted under the gear and the rack, so that the soft support arm rotates and shifts under the limb, the supporting position of the soft support arm on the limb is changed regularly, and during the dressing change, the soft support arm is prevented from being supported on the same position of the limb for a long time, so that the blood circulation of the limb is not smooth, and local hyperemia, swelling, local tightness, soreness or numbness of the limb are caused.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surgical dressing change auxiliary equipment, in particular to a medical surgical outpatient dressing change auxiliary equipment convenient to move. BACKGROUND

[0002] "Surgical outpatient" refers to a medical service place that provides diagnosis, treatment and follow-up of surgical diseases, mainly responsible for surgeons, usually undertakes disease diagnosis and evaluation, outpatient surgery, preoperative preparation and consultation, postoperative follow-up and health education, etc. In order to promote wound healing, prevent infection, detect wound changes and manage complications, patients with injuries on their bodies need regular and timely dressing changes in surgical outpatient department. During dressing change, a trolley is usually needed to load the required medicines and instruments for dressing change and move to the patient's side to carry out dressing change work.

[0003] The file with the publication number CN212679506U discloses a medical neurosurgery auxiliary dressing change equipment, which comprises a vertical rod, a supporting mechanism is installed above the vertical rod, the bottom end of the rotating clamp is fixedly connected to the middle of the top end of the vertical rod, and the inner surface of the clamping groove on the right side is connected with the left outer wall of the bolt. The medical neurosurgery auxiliary dressing change equipment does not require medical staff to walk around the patient's legs to change dressings, saves the physical strength of medical staff, solves the problem that the existing medical neurosurgery auxiliary dressing change equipment requires medical staff to walk around the patient's legs to change dressings, increases the workload of medical staff, and causes the medical staff to be physically exhausted. The vertical rod is fixed at a suitable position in the vertical pipe, which is convenient for medical staff of different heights to use, solves the problem that the existing medical neurosurgery auxiliary dressing change equipment cannot be adjusted according to the height of the medical staff, so that the person with high height needs to bend down to change dressings, and the person with low height needs to stand on tiptoe to change dressings, which brings inconvenience to the medical staff.

[0004] In the above-mentioned dressing change equipment, the bracket for supporting the patient's limbs will be supported at a fixed position on the patient's limbs during dressing change. Long-term compression at the same position will cause poor blood circulation of the limbs, causing local congestion, swelling, tightness, pain or numbness, and discomfort to the patient. Some patients with injured limbs are inconvenient to move and cannot move the limbs on the bracket to change the position of the bracket support. SUMMARY

[0005] The present application aims to provide a medical surgical outpatient dressing change auxiliary equipment convenient to move, which solves the problem that the bracket for supporting the patient's limbs in the conventional medical surgical outpatient dressing change auxiliary equipment convenient to move is supported at a fixed position during dressing change, and long-term compression causes poor blood circulation of the limbs, causing local congestion, swelling, tightness, pain or numbness, and discomfort to the patient.

[0006] The application is to solve the above technical problems by the following technical scheme, and the application comprises:

[0007] The trolley is provided with a shielding mechanism above the trolley;

[0008] A support assembly is arranged inside the shielding mechanism, and the support assembly is used for supporting the limbs of the patient in need of dressing change, the support assembly comprises a mounting shell fixed above the trolley, two first transverse grooves and two second transverse grooves are formed in the upper portion of the mounting shell, two reciprocating lead screws are rotatably arranged in the interior of the mounting shell, and the opposite ends of the two reciprocating lead screws are fixedly connected, one end of one of the reciprocating lead screws is fixedly connected with a motor, reciprocating push members are arranged on the outer portions of the two reciprocating lead screws, and soft support arms are arranged on the two reciprocating push members.

[0009] The reciprocating push members are used for changing the support positions of the soft support arms, and the support assembly further comprises a reducing member arranged above the mounting shell, the reducing member is connected with one of the reciprocating push members, and the reducing member is used for reducing the risk of infection of the wound during dressing change.

[0010] Preferably, the reciprocating push member comprises a push bar threadedly connected to the outer portion of the reciprocating lead screw and two L-shaped moving seats arranged in the interior of the mounting shell, a through groove is formed in the interior of each of the two L-shaped moving seats, the two ends of the push bar are respectively arranged in the interiors of the two through grooves, the two L-shaped moving seats are connected through a stabilizing bar, the soft support arm is rotatably arranged between one end of each of the two L-shaped moving seats, and a shifting member is arranged at one end of each of the two L-shaped moving seats and arranged above the mounting shell.

[0011] Preferably, the shifting member comprises a U-shaped support frame fixed above the mounting shell and a gear rotatably arranged at one end of the L-shaped moving seat, the gear is fixedly connected with the short shaft and one end of the soft support arm, a rack is fixed to the inner side of the U-shaped support frame, and the gear teeth and the rack teeth are engaged.

[0012] Preferably, the reducing member comprises a water box fixed above the mounting shell, a reversing member arranged on one of the reciprocating push members, and an oscillating member arranged on the reversing member, a water pump is arranged in the interior of the water box, a hose is arranged at the water outlet of the water pump, a corrugated expansion tube is arranged at one end of the hose, an atomizing nozzle is arranged at one end of the corrugated expansion tube, the reversing member is used for changing the position of the atomizing nozzle, and the oscillating member is used for driving the reversing member and the atomizing nozzle to oscillate.

[0013] Preferably, the reversing piece comprises support rails fixed on two L-shaped moving bases, an arc-shaped connecting strip sliding in the support rails, a semicircular swing rail fixed on one side of the arc-shaped connecting strip, a plurality of elastic positioning balls fixed in the semicircular swing rail, and a semicircular support strip sliding in the semicircular swing rail and having a plurality of positioning holes formed on one side thereof.

[0014] The other side of the semicircular support strip is fixed with two shielding strips and a perforated positioning sheet, and the hose is fixed to one side of the semicircular support strip by a fixing sheet and passes through the perforated positioning sheet.

[0015] Preferably, the upper portion of the mounting shell is provided with a through hole, the swing piece comprises two sliding rail strips fixed on the top of the inner wall of the mounting shell, a driving shaft fixed on the upper portion of one of the sliding rail strips, and a hollow strip fixed on the lower portion of the semicircular rail strip, a sliding plate sliding between the two sliding rail strips, a moving assisting groove formed on the lower portion of the sliding plate, the driving shaft sliding in the moving assisting groove, a connecting groove formed on the upper portion of the sliding plate, a driving frame sliding in the connecting groove, the driving frame penetrating the through hole, a swing shaft penetrating the hollow strip, and the swing shaft being fixed on one end of the driving frame.

[0016] Preferably, the stroller is provided with a groove in the interior thereof, and the mounting shell is provided with a lifting assembly on the lower portion thereof, the lifting assembly comprising a threaded rod fixed on the lower portion of the mounting shell, an internally threaded cylinder rotating on the top of the inner wall of the groove, limiting buckles fixed on the two sides of the stroller, and limiting plates fixed on the two sides of the mounting shell, the threaded rod being threadedly connected to the interior of the internally threaded cylinder, and the two limiting plates penetrating the interiors of the two limiting buckles, respectively.

[0017] Preferably, the shielding mechanism comprises two shielding covers hingedly connected to the upper portion of the stroller by hinges, a handle fixed on one side of each of the two shielding covers, and a screw threadedly connected to the upper portion of one of the shielding covers by a connecting sheet.

[0018] Preferably, the stroller is provided with a plurality of storage drawers in the interior thereof, a storage groove is formed in the interior of the stroller, a shielding seat slides in the interior of the storage groove, a garbage can is arranged on the upper portion of the shielding seat, and a plurality of universal wheels are arranged on the lower portion of the stroller.

[0019] Compared with the prior art, the present application has the following beneficial effects:

[0020] 1、Through the motor drives two reciprocating screw rod rotation, two push bar reciprocating movement on the reciprocating screw rod, push bar moves will move in the slot a end distance, at this time will not drive L type mobile seat movement, after moving to the slot one end, continue to move will drive L type mobile seat movement, in turn drive soft support arm movement, at this time under the gear and rack meshing drive soft support arm rotation, make soft support arm rotates displacement below the limb, realize soft support arm regularly change in the limb on the support position, avoid during dressing change, soft support arm long-term support in the same position on the limb caused by the patient's limb blood flow, cause the local congestion, swelling, local tight, sore or numbness.

[0021] 2、Through the water pump will medical disinfectant in the water box to the hose and corrugated expansion pipe, through the atomizing nozzle, by piaoyong corrugated expansion pipe can change the direction of atomizing nozzle, the spray atomizing disinfectant can reduce the concentration of microorganisms in the air around the wound, so as to reduce the risk of infection, and can help to enhance the local sterile environment, provide additional air disinfection barrier, help to maintain the cleanliness of the environment around the wound, especially in the multi patient environment or dressing change area, so as to effectively prevent the spread of disease.

[0022] 3、According to the position of the wound on the limb, the semicircle support bar can be moved to rotate on the semicircle swing rail, so as to drive the atomizing nozzle to change the position around the limb, corresponding to the wound area, the semicircle support bar and the position of the atomizing nozzle are limited by the clamping between the elastic positioning ball and the positioning hole, which can be used for different positions of the wound on the limb.

[0023] 4、One of the push bar moves back and forth on the reciprocating screw rod, which drives the drive shaft above it to move in the moving slot, so that the sliding plate slides back and forth on the sliding rail, the sliding plate slides to drive the drive frame and the swing shaft to move, the swing shaft moves in the hollow bar to drive the hollow bar to swing back and forth, so that the semicircle swing rail drives the semicircle support bar and the atomizing nozzle to swing back and forth at the wound to spray atomizing disinfectant, so as to ensure that the air environment around the wound is disinfected and the spray range is increased. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The overall structure of the present application is shown in the figure;

[0025] Figure 2 The structure of the present application is shown in the figure after the cover is opened;

[0026] Figure 3 The sectional view of Figure 2 ;

[0027] Figure 4 The partial exploded view of the support assembly in the present application is shown in the figure;

[0028] Figure 5 Splitting schematic diagram of the dyeing device in the application;

[0029] Figure 6 Splitting schematic diagram of the dyeing device in the application; Figure 5 Enlarged schematic diagram of A part in the application;

[0030] Figure 7 Splitting schematic diagram of the dyeing device in the application; Figure 5 Splitting schematic diagram of the dyeing device in the application.

[0031] 1, cart; 2, groove body;

[0032] 3, shielding mechanism; 31, shielding cover; 32, handle; 33, screw rod;

[0033] 4, support assembly; 41, mounting shell; 42, first horizontal groove; 43, second horizontal groove; 44, reciprocating screw rod; 45, motor; 46, soft support arm; 47, push bar; 48, L-shaped moving seat; 49, through groove; 410, U-shaped support frame; 411, gear; 412, rack; 413, water box; 414, water pump; 415, hose; 416, corrugated expansion tube; 417, atomizing nozzle; 418, support rail; 419, arc-shaped connecting strip; 420, semicircular swing rail; 421, elastic positioning ball; 422, semicircular support strip; 423, positioning hole; 424, shielding strip; 425, perforated positioning piece; 426, through hole; 427, sliding rail; 428, drive shaft; 429, hollow strip; 430, sliding plate; 431, moving aid groove; 432, connecting groove; 433, drive frame; 434, swing shaft;

[0034] 5, lifting assembly; 51, threaded rod; 52, internally threaded cylinder; 53, limiting buckle; 54, limiting plate;

[0035] 6, storage drawer; 7, storage groove; 8, shielding seat; 9, garbage can; 10, universal wheel. DETAILED DESCRIPTION

[0036] The above and other technical features and advantages of the present application will be more apparent from the following description taken in conjunction with the accompanying drawings.

[0037] The present application provides a technical solution: a medical surgical outpatient dressing change auxiliary equipment convenient to move, such as Figures 1-7As shown, including the trolley 1, the shielding mechanism 3 is arranged above the trolley 1, and the support assembly 4 is arranged inside the shielding mechanism 3. The inside of the trolley 1 is provided with a plurality of storage drawers 6 for storing medical supplies and medical instruments required for dressing change. The inside of the trolley 1 is provided with a storage groove 7. The inside of the storage groove 7 is slidably provided with a shielding seat 8. The shielding seat 8 is fixedly provided with a handle for facilitating the sliding of the shielding seat 8. The upper side of the shielding seat 8 is provided with a garbage can 9. A disinfection lamp can be arranged on the top of the inner wall of the storage groove 7 for disinfecting the medical waste in the garbage can 9 to prevent the spread of bacteria and viruses. A plurality of universal wheels 10 are arranged below the trolley 1. The universal wheels 10 are common wheels with self-locking function. The shielding mechanism 3 includes two shielding covers 31 hingedly connected to the upper side of the trolley 1. The two shielding covers 31 are fixedly provided with a handle 32 on one side. The handle 32 is used for facilitating the pushing of the trolley 1. The upper side of one of the shielding covers 31 is threadedly connected with a screw rod 33 through a connecting plate. A screw hole is formed in the other shielding cover 31 corresponding to the position of the screw rod 33. The screw rod 33 is screwed into the screw hole to seal the two shielding covers 31. One of the shielding covers 31 located in the pulling direction of the storage drawer 6 can only rotate by 90 degrees and can be used as a platform for placing medical supplies and medical instruments.

[0038] As shown in Figures 1-7 The support assembly 4 is used for supporting the limbs of the patient requiring dressing change. The support assembly 4 includes a mounting shell 41 fixedly arranged on the upper side of the trolley 1. Two inverted U-shaped fixing frames are fixedly arranged on the upper side of the mounting shell 41. A bottom plate is arranged on the inverted U-shaped fixing frame for receiving medical supplies, gauze and the like used during dressing change to prevent these things from contaminating the water box 413. A layer of disposable isolation bag can be covered on the top of the bottom plate when the bottom plate receives things. The disposable isolation bag can be directly packed and placed in the garbage can 9 in the later period. Two first horizontal grooves 42 and two second horizontal grooves 43 are formed in the upper side of the mounting shell 41. Two reciprocating lead screws 44 are rotatably arranged in the inside of the mounting shell 41. The opposite ends of the two reciprocating lead screws 44 are fixedly connected. One end of one of the reciprocating lead screws 44 is fixedly provided with a motor 45. Reciprocating push members are arranged on the outside of the two reciprocating lead screws 44. Soft support arms 46 for supporting the limbs are arranged on the two reciprocating push members. The reciprocating push members are used for changing the support position of the soft support arms 46. The support assembly 4 further includes a decontamination member arranged on the upper side of the mounting shell 41. The decontamination member is connected with one of the reciprocating push members. During the process of wound dressing change, the decontamination member can reduce the concentration of microorganisms in the air to reduce the risk of infection and help to enhance the local sterile environment, provide an additional air disinfection barrier, and help to maintain the cleanliness of the environment around the wound, especially in a multi-patient environment or dressing change area. This can effectively prevent the spread of diseases.

[0039] As shown in Figures 1-7As shown, the reciprocating pusher includes a pusher bar 47 threaded onto the outside of the reciprocating screw rod 44 and two L-shaped moving seats 48 arranged inside the mounting shell 41, two L-shaped moving seats 48 in one reciprocating pusher respectively extend to the outside of the mounting shell 41 through two first transverse grooves 42, two L-shaped moving seats 48 in the other reciprocating pusher respectively extend to the outside of the mounting shell 41 through two second transverse grooves 43, the inside of the two L-shaped moving seats 48 are respectively provided with a through groove 49, the two ends of the pusher bar 47 are respectively arranged in the through grooves 49, the two L-shaped moving seats 48 are connected by a stabilizing bar, the soft support arm 46 is rotatable between one end of the two L-shaped moving seats 48, one end of the two L-shaped moving seats 48 is provided with a rotating member, the two rotating members are arranged above the mounting shell 41, the rotating member includes a U-shaped support frame 410 fixed above the mounting shell 41 and a gear 411 rotatable at one end of the L-shaped moving seat 48, the gear 411 is fixedly connected with the short shaft and one end of the soft support arm 46, the inside of the U-shaped support frame 410 is fixedly provided with a rack 412, the gear 411 and the rack 412 are in meshing engagement.

[0040] As shown in the figure, Figures 1-7 The descending dyeing member includes a water box 413 fixed above the mounting shell 41, a reversing member arranged on one reciprocating pusher and a swinging member arranged on the reversing member, the top of the water box 413 is provided with a rotatable water inlet, the water inlet is used to pour the appropriate medical disinfectant into the water box 413, a glass observation area is arranged on the water box 413 for observing whether the medical disinfectant is filled, the inside of the water box 413 is provided with a water pump 414, the water outlet of the water pump 414 is provided with a hose 415, one end of the hose 415 is provided with a corrugated expansion tube 416, one end of the corrugated expansion tube 416 is provided with an atomizing nozzle 417, the corrugated expansion tube 416 has a certain elasticity and flexibility, and the direction of the atomizing nozzle 417 can be manually adjusted, the reversing member is used to change the position of the atomizing nozzle 417, and the swinging member is used to drive the reversing member and the atomizing nozzle to swing.

[0041] As shown in the figure, Figures 1-7As shown, the reversing piece includes a support rail 418 fixed on the two L-shaped moving seats 48, an arc-shaped connecting strip 419 is slidably arranged in the support rail 418, in order to prevent the arc-shaped connecting strip 419 from being separated from the support rail 418, a separation prevention piece can be arranged at both ends of the arc-shaped connecting strip 419, one side of the arc-shaped connecting strip 419 is fixed with a semicircular swing rail 420, a plurality of elastic positioning balls 421 are fixed in the semicircular swing rail 420, the elastic positioning balls 421 are mainly arranged near both ends of the semicircular swing rail 420, a semicircular support strip 422 is slidably arranged in the semicircular swing rail 420, a plurality of positioning holes 423 are formed in one side of the semicircular support strip 422, two shielding strips 424 and a perforated positioning piece 425 are fixed on the other side of the semicircular support strip 422, the hose 415 is fixed on one side of the semicircular support strip 422 through the fixing piece and is located between the two shielding strips 424, the perforated positioning piece 425 is also arranged between the two shielding strips 424, and the hose 415 is arranged in the perforated positioning piece 425.

[0042] As shown in Figures 1-7 , a through hole 426 is formed in the upper side of the mounting shell 41, the swing piece includes two slide rail strips 427 fixed on the inner wall top of the mounting shell 41, a drive shaft 428 fixed on the upper side of one of the push moving strips 47, and a hollow strip 429 fixed below the semicircular swing rail 420, a sliding plate 430 is slidably arranged between the two slide rail strips 427, a moving assisting groove 431 is formed in the lower side of the sliding plate 430, the drive shaft 428 is slidably arranged in the moving assisting groove 431, a connecting groove 432 is formed in the upper side of the sliding plate 430, a drive frame 433 is slidably arranged in the connecting groove 432, the drive frame 433 is arranged in the through hole 426, a swing shaft 434 is arranged in the hollow strip 429, and one end of the swing shaft 434 is fixed on the drive frame 433.

[0043] As shown in Figures 1-7 , a groove 2 is formed in the inside of the trolley 1, a lifting assembly 5 is arranged below the mounting shell 41, the lifting assembly 5 includes a threaded rod 51 fixed below the mounting shell 41, an internal thread cylinder 52 rotating on the inner wall top of the groove 2, a limiting buckle 53 fixed on both sides of the trolley 1, and a limiting plate 54 fixed on both sides of the mounting shell 41, the threaded rod 51 is threadedly connected to the inside of the internal thread cylinder 52, and an anti-skid sleeve is arranged on the outer surface of the internal thread cylinder 52 to avoid slipping when rotating, and the two limiting plates 54 are arranged in the inside of the two limiting buckles 53 respectively.

[0044] In use, the trolley 1 is moved to the position for changing the dressing by the rod 32, the universal wheel 10 is locked by the self-locking mechanism to avoid the trolley from moving randomly and affecting the changing of the dressing, the medical supplies and instruments needed are taken out from the storage drawer 6, the screw rod 33 is unscrewed from the screw hole, the two cover lids 31 are opened, the medical supplies and instruments are placed on one of the cover lids 31 in the pulling direction of the storage drawer 6, the patient places the limb needing to be changed on the two soft support arms 46, the motor 45 is started, and the motor 45 starts to implement the changing of the dressing, the motor 45 drives the two reciprocating lead screws 44 to rotate, so that the two push rods 47 move reciprocally on the reciprocating lead screws 44, when the push rods 47 move, they move a distance in the slot 49, at this time, the L-shaped moving seat 48 does not move, after moving to one end of the slot 49, further movement drives the L-shaped moving seat 48 to move, the L-shaped moving seat 48 moves while driving the gear 411 connected thereto to move along the teeth of the rack 412, under the action of the meshing teeth, the gear 411 drives the soft support arm 46 to rotate, so that the soft support arm 46 rotates and shifts below the limb, realizing the soft support arm 46 regularly changing the supporting position on the limb, avoiding the soft support arm 46 supporting on the same position of the limb for a long time during the changing of the dressing, causing the blood circulation of the patient's limb to be poor, causing local congestion, swelling, local tightness, pain or numbness of the limb, and ensuring the blood circulation of the supported limb and the comfort of the patient.

[0045] At the same time of starting the motor 45, the water pump 414 is started, the water pump 414 sends the medical disinfectant in the water box 413 to the hose 415 and the corrugated expansion pipe 416, and sprays it out through the atomizing nozzle 417, the direction of the atomizing nozzle 417 can be changed by bending the corrugated expansion pipe 416, the sprayed atomized disinfectant can reduce the concentration of microorganisms in the air around the wound, thereby reducing the risk of infection, and can help to enhance the local sterile environment, provide an additional air disinfection barrier, help to maintain the cleanliness of the environment around the wound, especially in a multi-patient environment or a dressing change area, which can effectively prevent the spread of diseases.

[0046] According to the position of the wound on the limb, the semicircular support strip 422 can be moved to rotate on the semicircular swing rail 420, so as to drive the atomizing nozzle 417 to change the position around the limb, corresponding to the area where the wound is located, and when the semicircular support strip 422 rotates on the semicircular swing rail 420, the hose 415 will slide in the perforated positioning sheet 425 and be clamped in the shielding strip 424, avoiding the hose 415 from disordering and affecting the smooth linkage of other structures, and when the semicircular support strip 422 rotates, the position of the semicircular support strip 422 and the atomizing nozzle 417 is limited by the clamping between the elastic positioning ball 421 and the positioning hole 423, which can be suitable for wounds in different positions of the limb, and when one of the push strips 47 moves back and forth on the reciprocating wire rod 44, the drive shaft 428 above it will move in the shift groove 431, so that the sliding plate 430 slides back and forth on the sliding rail 427, and the sliding of the sliding plate 430 drives the drive frame 433 and the swing shaft 434 to move, and the swing of the swing shaft 434 in the hollow strip 429 drives the hollow strip 429 to swing back and forth, so that the semicircular swing rail 420, the arc-shaped connecting strip 419 and the support rail 418 are supported and limited to rotate back and forth, so that the semicircular support strip 422 drives the atomizing nozzle 417 to swing back and forth at the wound to spray atomized disinfectant, so as to ensure that the air environment around the wound is disinfected and the spraying range is increased.

[0047] When the L-shaped moving seat 48 connected by the support rail 418 is driven to move by the push strip 47, the support rail 418 drives the semicircular swing rail 420, the semicircular support strip 422, the hollow strip 429 and the drive frame 433 to move, the drive frame 433 changes the connection position above the sliding plate 430 in the connecting groove 432, and the displacement of the sliding plate 430 and the swing of the drive frame 433 are not affected, the threaded rod 51 is moved upward by rotating the internal threaded cylinder 52, so as to lift the installation shell 41 upward, and the height of supporting the limb is changed.

[0048] The above description is only the preferred embodiment of the present application, which is only illustrative but not limiting. Those skilled in the art understand that many changes, modifications and even equivalents can be made within the spirit and scope of the present application defined in the claims, but all will fall within the protection scope of the present application.

Claims

1. A portable dressing-changing auxiliary device for medical surgical clinics, characterized in that: include: A cart (1), wherein a shielding mechanism (3) is provided above the cart (1); A support assembly (4), wherein the support assembly (4) is arranged inside the shielding mechanism (3), and the support assembly (4) is used to support the limb of the patient that needs to change the dressing. The support assembly (4) includes a mounting shell (41) fixed above the cart (1), and two first transverse grooves (42) and two second transverse grooves (43) are provided above the mounting shell (41). Two reciprocating screw rods (44) are rotated inside the mounting shell (41), and the opposite ends of the two reciprocating screw rods (44) are fixedly connected, and a motor (45) is fixed to one end of one of the reciprocating screw rods (44). The outsides of the two reciprocating screw rods (44) are both provided with reciprocating pushers, and the two reciprocating pushers are both provided with soft support arms (46); The reciprocating pusher is used to change the support position of the soft support arm (46), and the support assembly (4) further includes a stain reducing member arranged above the mounting shell (41), the stain reducing member being connected to one of the reciprocating pushers, and the stain reducing member being used to reduce the risk of infection of the wound during dressing change; The reciprocating push member includes a push bar (47) threadedly connected to the outside of the reciprocating screw rod (44) and two L-shaped movable seats (48) arranged inside the mounting shell (41), the interiors of the two L-shaped movable seats (48) are provided with through grooves (49), the two ends of the push bar (47) are respectively passed through the interiors of the two through grooves (49), the two L-shaped movable seats (48) are connected by a stabilizing bar, the soft support arm (46) rotates between one end of the two L-shaped movable seats (48), one end of the two L-shaped movable seats (48) is provided with a transfer member, and the two transfer members are both arranged above the mounting shell (41); The transfer member includes a U-shaped support frame (410) fixed above the mounting shell (41) and a gear (411) rotating on one end of the L-shaped movable seat (48), wherein the gear (411) is fixedly connected to one end of the soft support arm (46) via a short shaft, and a rack (412) is fixed on the inner side of the U-shaped support frame (410), and the tooth surfaces of the gear (411) and the rack (412) are meshed with each other; The motor (45) drives the two reciprocating screws (44) to rotate, thereby causing the two push bars (47) to reciprocate on the reciprocating screw (44). When the push bar (47) moves, it moves a distance in the slot (49). At this time, it does not drive the L-shaped moving seat (48) to move. After moving to one end of the slot (49), it continues to move and drives the L-shaped moving seat (48) to move. When the L-shaped moving seat (48) moves, it drives the soft support arm (46) to move, and at the same time drives the gear (411) connected to it to move along the teeth of the rack (412). Under the action of the meshing teeth, the gear (411) drives the soft support arm (46) to rotate, thereby causing the soft support arm (46) to rotate and shift under the limb, so that the soft support arm (46) can regularly change its supporting position on the limb.

2. The portable dressing-changing auxiliary device for medical surgical clinics according to claim 1, characterized in that: The dye reduction component comprises a water box (413) fixed above the mounting shell (41), a reversing component arranged on one of the reciprocating push members, and a swinging component arranged on the reversing component. A water pump (414) is installed inside the water box (413). A hose (415) is installed at the water outlet end of the water pump (414). A bellows telescopic tube (416) is installed at one end of the hose (415). An atomizing nozzle (417) is installed at one end of the bellows telescopic tube (416). The reversing component is used to change the position of the atomizing nozzle (417), and the swinging component is used to drive the reversing component and the atomizing nozzle to swing.

3. The portable dressing-changing auxiliary device for medical surgical clinics according to claim 2, characterized in that: The reversing member comprises a support rail (418) fixed on two L-shaped movable seats (48), an arc-shaped connecting bar (419) slidingly arranged inside the support rail (418), a semicircular swing rail (420) fixed on one side of the arc-shaped connecting bar (419), a plurality of elastic positioning balls (421) fixed on the inside of the semicircular swing rail (420), a semicircular support bar (422) slidingly arranged inside the semicircular swing rail (420), and a plurality of positioning holes (423) opened on one side of the semicircular support bar (422); Two shielding strips (424) and a perforated positioning piece (425) are fixed to the other side of the semicircular support strip (422), the hose (415) is fixed to one side of the semicircular support strip (422) via the fixing piece, and the hose (415) is passed through the inside of the perforated positioning piece (425).

4. The portable dressing-changing auxiliary device for medical surgical clinics according to claim 3 is characterized in that: A through hole (426) is provided on the top of the mounting shell (41), and the swing member includes two slide rails (427) fixed on the top of the inner wall of the mounting shell (41), a driving shaft (428) fixed on the top of one of the push bars (47), and a hollow bar (429) fixed on the bottom of the semicircular swing rail (420). A sliding plate (430) slides between the two slide rails (427), a sliding assist groove (431) is provided below the sliding plate (430), and the driving shaft (428) slides inside the sliding assist groove (431). A connecting groove (432) is provided on the top of the sliding plate (430), and a driving frame (433) slides inside the connecting groove (432). The driving frame (433) is passed through the through hole (426), and a swing shaft (434) is passed through the inside of the hollow bar (429), and the swing shaft (434) is fixed to one end of the driving frame (433).

5. The portable dressing-changing auxiliary device for medical surgical clinics according to claim 1, characterized in that: A trough body (2) is provided inside the cart (1), and a lifting assembly (5) is provided below the mounting shell (41). The lifting assembly (5) comprises a threaded rod (51) fixed below the mounting shell (41), an internally threaded cylinder (52) rotating on the top of the inner wall of the trough body (2), limiting buckles (53) fixed on both sides of the cart (1), and limiting plates (54) fixed on both sides of the mounting shell (41). The threaded rod (51) is threadedly connected to the inside of the internally threaded cylinder (52), and the two limiting plates (54) are respectively arranged inside the two limiting buckles (53).

6. The portable dressing-changing auxiliary device for medical surgical clinics according to claim 1, characterized in that: The shielding mechanism (3) comprises two shielding covers (31) hingedly connected to the top of the cart (1) via hinges, a handle (32) being fixed to one side of each of the shielding covers (31), and a screw (33) being threadedly connected to the top of one of the shielding covers (31) via a connecting piece.

7. The portable dressing-changing auxiliary device for medical surgical clinics according to claim 1, characterized in that: The interior of the cart (1) is provided with a plurality of storage drawers (6), the interior of the cart (1) is provided with a storage slot (7), a shielding seat (8) is slidably provided inside the storage slot (7), a trash can (9) is provided above the shielding seat (8), and a plurality of universal wheels (10) are installed below the cart (1).

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