CN114948497B

CN114948497B - Chest surgery is with support of changing dressings

Info

Publication number: CN114948497B
Application number: CN202210698178.2A
Authority: CN
Inventors: 王海强
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2023-07-07
Anticipated expiration: 2042-06-20
Also published as: CN114948497A

Abstract

The invention discloses a dressing change support for thoracic surgery, which comprises a U-shaped plate, wherein a fixing component is arranged on the U-shaped plate, the U-shaped plate is connected with the edge of a sickbed through the fixing component, a rotating shaft is rotatably arranged on the U-shaped plate, a rotating block is arranged at the end part of the rotating shaft, a supporting mechanism is arranged on the rotating block, an arm of a patient can be lifted up during dressing change through the supporting mechanism, a limiting component for limiting rotation of the rotating shaft is arranged on the U-shaped plate, a positioning component is arranged on the rotating block, the supporting mechanism is movably arranged on the rotating block through the positioning component, the dressing change support for thoracic surgery can be fixed on the edge of the sickbed through the fixing component matched with the U-shaped plate, then the arm of the patient can be fixed through the supporting mechanism, the position of the arm can be conveniently adjusted during dressing change, and smooth dressing change is ensured.

Description

Chest surgery is with support of changing dressings

Technical Field

The invention relates to the technical field of thoracic surgery, in particular to a dressing change support for thoracic surgery.

Background

Chest surgery is a medical specialty, the intrathoracic organs are specially studied, diseases in the chest surgery field often occur in life-related organs, and operations related to the chest surgery are included; open and closed thoracic drainage, empyema drainage, thoracocentesis and the like, the wound of the operation of general thoracic surgery is positioned on the side below the arm of a patient, and the chest wound on the side is lifted by the arm of the patient by means of a dressing change bracket to change the dressing when the dressing is changed.

Traditional device of changing dressings needs the patient to support the arm by oneself or assist through medical personnel, but because the time of changing dressings overlength, patient and medical personnel can support the arm for a long time owing to muscle ache, and then lead to the arm to shift and influence the effect of changing dressings, and still need twine patient's wound with the bandage after the end of changing dressings, but some patient postoperative wounds are great, the wound can be influenced by rising, consequently need medical personnel to lift up the patient repeatedly and bypass the bandage from its back, not only increaseing medical personnel's intensity of labour, also perhaps making the patient feel uncomfortable. For this reason, we propose a dressing change support for thoracic surgery.

Disclosure of Invention

The invention aims to provide a dressing change support for thoracic surgery, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a thoracic surgery is with support of changing dressings, includes the U template, be provided with fixed subassembly on the U template, the U template passes through fixed subassembly and is connected with the sick bed border, it is provided with the axis of rotation to rotate on the U template, the axis of rotation tip is provided with the dwang, be provided with supporting mechanism on the dwang, through supporting mechanism can lift up patient's arm when changing dressings, be provided with on the U template and rotate spacing subassembly to the axis of rotation, be provided with locating component on the dwang, supporting mechanism passes through locating component movable mounting on the dwang.

Preferably, the supporting mechanism comprises a fixed plate movably mounted on the rotating block, a clamping assembly for fixing hands of a patient is arranged on the fixed plate, an auxiliary assembly is movably arranged on the fixed plate, and medical staff can be assisted to wind the bandage after dressing change is finished through the auxiliary assembly.

Preferably, the fixed subassembly includes the screw thread and runs through the fixing screw of U template, the one end that the fixing screw is located the U template is provided with the clamp plate, the fixing screw other end is provided with the rotary disk, rotates the rotary disk can drive the fixing screw and remove on the U template.

Preferably, the limiting assembly comprises a plurality of first protruding blocks arranged on the outer side of the rotating shaft, a fixing seat is arranged on the U-shaped plate, a limiting screw rod penetrates through the fixing seat in a threaded mode, one end, close to the rotating shaft, of the limiting screw rod is connected with an arc plate in a rotating mode, a plurality of second protruding blocks are arranged on the arc plate, a knob is arranged at the other end of the limiting screw rod, a telescopic rod is arranged between the arc plate and the fixing seat, and two ends of the telescopic rod are connected with the arc plate and the fixing seat respectively.

Preferably, the locating component comprises an inserting block arranged at the end part of the fixing plate, a slot matched with the inserting block is formed in the rotating block, a locating clamping groove is formed in the inserting block, a locating chute is formed in the rotating block, a locating block matched with the locating clamping groove in an inserting mode is movably arranged in the locating chute, locating springs are arranged on the locating block, two ends of each locating spring are fixedly connected with the locating block and the side wall of the locating chute respectively, a locating rod is further arranged on the locating block, one end of each locating rod movably penetrates through the rotating block and the end part of each locating rod is provided with a pull button, side grooves are formed in two sides of the fixing plate, a vertical plate is arranged on two sides of the rotating block, and fixing columns are arranged on the vertical plate and are in sliding fit with the side grooves.

Preferably, the arc wall has been seted up on the fixed plate, the arc wall has been seted up to the one end that the turning block was kept away from to the arc wall, the clamping assembly is including sliding the sliding plate that sets up in the sliding tray, the fixed guide bar that is provided with in sliding tray, the guide bar runs through the sliding plate, the guide bar outside is provided with guide spring, guide spring both ends respectively with sliding tray lateral wall and sliding plate fixed connection, sliding plate one side is provided with solid fixed ring, the fixed connecting band that is provided with of sliding plate opposite side, gu fixed ring is passed to connecting band one end, be provided with the magic subsides on the connecting band, the primary and secondary both sides that the magic was pasted all set up on the connecting band.

Preferably, the auxiliary assembly comprises a movable plate arranged on the back side of the fixed plate, one end of the movable plate, away from the rotating block, is rotationally connected with the fixed plate, a movable groove is formed in the movable plate, a movable piece is movably arranged in the movable groove, a mounting plate is arranged at one end, close to the rotating block, of the movable plate, a reset spring is arranged on the mounting plate, the other end of the reset spring is connected with the movable piece, and a pull rope is arranged on the movable piece.

Preferably, the moving part comprises a sliding block movably arranged in the moving groove, the reset spring and the pull rope are fixedly connected with the sliding block, a top block is arranged on the sliding block, a mounting groove matched with the top block for use is formed in the bottom of the mounting block, a side plate is arranged on the mounting block, and a cross rod is arranged on the side plate.

Preferably, both sides of the movable plate are provided with sponge pads.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the fixing assembly is matched with the U-shaped plate, so that the device can be fixed on the edge of a sickbed, then the arm of a patient can be fixed through the supporting mechanism, the arm position can be conveniently adjusted during dressing change, smooth dressing change is ensured, the sliding plate is movably arranged on the fixing plate and is connected with the guide spring, the arm of the patient can move to a certain extent, and the arm can also play a buffering role when the arm of the patient is suddenly retracted due to pain stress, so that injury is prevented.

2. According to the invention, the movable plate is arranged on the back side of the fixed plate, and is rotatably arranged on the fixed plate, so that the support mechanism can be placed behind a patient when the bandage is wound, and the bandage is wound from the back of the patient through the reciprocating movement of the moving part, so that the patient is prevented from being repeatedly lifted, and the bandage is very convenient.

Drawings

FIG. 1 is a schematic view of an initial state structure of the present invention;

FIG. 2 is a schematic diagram of the overall structure of the present invention;

FIG. 3 is a schematic side view of the structure of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic view of the structure of FIG. 2 in another orientation in accordance with the present invention;

FIG. 5 is a schematic view showing the structure of the present invention when the arm of the patient is raised;

FIG. 6 is a schematic view of the structure of the wound bandage of the present invention;

FIG. 7 is a schematic view of a fastening assembly according to the present invention;

FIG. 8 is a schematic view of a spacing assembly according to the present invention;

FIG. 9 is a schematic view of a positioning assembly according to the present invention;

FIG. 10 is a schematic view of a clamping assembly according to the present invention;

FIG. 11 is a schematic view of the auxiliary assembly structure of the present invention;

fig. 12 is a schematic view of a moving member according to the present invention.

In the figure: a 1-U-shaped plate; 2-fixing the assembly; 21-a fixed screw; 22-pressing plates; 23-rotating the disc; 3-a supporting mechanism; 31-a fixing plate; 4-a limiting assembly; 41-bump one; 42-fixing seat; 43-limit screw rod; 44-arc plates; 45-a second bump; 46-a knob; 47-telescoping rod; 5-positioning assembly; 51-plug blocks; 52-slots; 53-positioning clamping grooves; 54-positioning a chute; 55-positioning blocks; 56-positioning a spring; 57-positioning rod; 58-pulling the button; 6-a clamping assembly; 61-arc grooves; 62-sliding grooves; 63-a sliding plate; 64-guide bar; 65-guiding springs; 66-fixing ring; 67-connecting bands; 68-magic tape; 7-an auxiliary assembly; 71-a movable plate; 72-moving the trough; 73-mounting plate; 74-a return spring; 75-pulling rope; 76-a sponge pad; 8-a moving member; 81-sliding blocks; 82-top block; 83-mounting blocks; 84-mounting slots; 85-side plates; 86-a cross bar; 9-rotating shaft; 10-rotating blocks; 11-side grooves; 12-risers; 13-fixing columns.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-12, the present invention provides a technical solution: the utility model provides a thoracic surgery is with support of changing dressings, including U template 1, be provided with fixed subassembly 2 on the U template 1, U template 1 is connected with the sick bed border through fixed subassembly 2, it is provided with axis of rotation 9 to rotate on the U template 1, axis of rotation 9 tip fixed is provided with turning block 10, be provided with supporting mechanism 3 on the turning block 10, can lift patient's arm when changing dressings through supporting mechanism 3, be provided with on the U template 1 and rotate spacing subassembly 4 to axis of rotation 9, be provided with locating component 5 on the turning block 10, supporting mechanism 3 passes through locating component 5 movable mounting on turning block 10.

The supporting mechanism 3 includes movable mounting fixed plate 31 on rotating block 10, is provided with the clamping component 6 that fixes patient's hand on the fixed plate 31, and the activity is provided with auxiliary assembly 7 on the fixed plate 31, when dressing change finishes and beats the bandage, removes supporting mechanism 3 to patient's body under, and rethread auxiliary assembly 7 can assist medical personnel to twine the bandage after dressing change finishes.

The fixed subassembly 2 includes that the screw thread runs through the fixing screw 21 of U template 1, and the one end that fixing screw 21 is located U template 1 is provided with clamp plate 22, and the fixing screw 21 other end is provided with rotary disk 23, rotates rotary disk 23 and can drive fixing screw 21 and remove on U template 1, at first needs to fix the device at the sick bed side when changing dressings, at first with U template 1 card at sick bed one side, then twist the rotary disk 23 and drive fixing screw 21 rotation, and fixing screw 21 drives clamp plate 22 and removes, clamp plate 22 cooperation U template 1 presss from both sides tight sick bed side, and then is fixed with the device with the sick bed.

The limiting assembly 4 comprises a first lug 41 arranged on the outer side of the rotating shaft 9, a fixed seat 42 is arranged on the U-shaped plate 1, a limiting screw 43 penetrates through threads of the fixed seat 42, one end, close to the rotating shaft 9, of the limiting screw 43 is rotationally connected with an arc plate 44, a second lug 45 is arranged on the arc plate 44, the other end of the limiting screw 43 is provided with a knob 46, a telescopic rod 47 is arranged between the arc plate 44 and the fixed seat 42, two ends of the telescopic rod 47 are respectively connected with the arc plate 44 and the fixed seat 42, after the device is fixed on a patient bed, the supporting mechanism 3 is parallel to a sickbed, at the moment, arms of a patient are fixed through the clamping assembly 6, then the supporting mechanism 3 is rotated until the arms are driven to be lifted to a proper position, then the rotation of the supporting mechanism 3 can be limited through the limiting assembly 4, the gestures of the arms are kept, during adjustment, firstly, the limiting screw 43 is driven to rotate through the rotating knob 46, the limiting screw 43 is spirally moved on the fixed seat 42 to drive the arc plate 44 to be far away from the rotating shaft 9, at the moment, the second lug 45 is far away from the first lug 41, the rotating block 10 can drive the supporting mechanism 3 to rotate, after adjustment is finished, the rotating knob 46 and the limiting screw 43 drives the limiting screw 44 to drive the arc plate 47 to move the second lug 47 to the telescopic rod to the arc plate 47 to the corresponding to the second lug 45, and achieve the effect on the purposes of limiting the arc 9.

The positioning assembly 5 comprises an inserting block 51 arranged at the end part of the fixed plate 31, a slot 52 matched with the inserting block 51 is formed in the rotating block 10, a positioning clamping groove 53 is formed in the inserting block 51, a positioning sliding groove 54 is formed in the rotating block 10, a positioning block 55 matched with the positioning clamping groove 53 in an inserting manner is movably arranged in the positioning sliding groove 54, a positioning spring 56 is arranged on the positioning block 55, two ends of the positioning spring 56 are fixedly connected with the side walls of the positioning block 55 and the positioning sliding groove 54 respectively, a positioning rod 57 is further arranged on the positioning block 55, one end of the positioning rod 57 movably penetrates through the rotating block 10, and a pull button 58 is arranged at the end part of the positioning rod 57;

side slots 11 are formed in two sides of the fixed plate 31, vertical plates 12 are arranged on two sides of the rotating block 10, fixed columns 13 are arranged on the vertical plates 12, and the fixed columns 13 are in sliding fit with the side slots 11.

When the bandage is wound, the supporting mechanism 3 needs to be placed under a patient, so that the supporting mechanism 3 needs to be bent relative to the rotating block 10, when the bandage is used, the pull button 58 is pulled firstly, the pull button 58 drives the positioning block 55 to be separated from the positioning clamping groove 53 through the positioning rod 57 to move into the positioning sliding groove 54, the limit of the inserting block 51 is further released, at the moment, the inserting block 51 can be separated from the inserting groove 52, the fixing columns 13 are arranged in the side grooves 11 formed in the two sides of the fixing plate 31, and therefore, when the fixing plate 31 is pulled out of the rotating block 10, the fixing plate 31 can rotate relative to the rotating block 10, and meanwhile, the fixing plate 31 can slide relative to the vertical plate 12, so that after the positioning of the inserting block 51 is released, the fixing plate 31 can be moved away from a sickbed, then the patient is lifted, and the fixing plate 31 is slid under the patient.

Similarly, after the use is finished, the insert 51 can be inserted into the slot 52 again, and only the pull button 58 is pulled again, when the insert 51 is inserted into the slot 52, the hand is released, and under the action of the positioning spring 56, the positioning block 55 positions the insert 51 again.

The fixed plate 31 is provided with the arc-shaped groove 61, the arc-shaped groove 61 is far away from one end of the rotating block 10 and is provided with the sliding groove 62, the clamping assembly 6 comprises a sliding plate 63 which is arranged in the sliding groove 62 in a sliding way, a guide rod 64 is fixedly arranged in the sliding groove 62, the guide rod 64 penetrates through the sliding plate 63, a guide spring 65 is arranged on the outer side of the guide rod 64, two ends of the guide spring 65 are fixedly connected with the side wall of the sliding groove 62 and the sliding plate 63 respectively, one side of the sliding plate 63 is provided with a fixed ring 66, the other side of the sliding plate 63 is fixedly provided with a connecting belt 67, one end of the connecting belt 67 penetrates through the fixed ring 66, a magic tape 68 is arranged on the connecting belt 67, and the primary surface and the secondary surface of the magic tape 68 are both arranged on the connecting belt 67.

When the hand of a patient is fixed, the wrist of the patient is firstly placed on the sliding plate 63, then the connecting belt 67 is tensioned to fix the hand tightly, and then the hand can be fixed by positioning the magic tape 68, meanwhile, the arm of the patient can move by a certain extent due to the guide spring 65, so that the arm is prevented from keeping a certain posture for a long time, and discomfort of the patient is reduced.

The auxiliary assembly 7 comprises a movable plate 71 arranged on the back side of the fixed plate 31, sponge pads 76 are arranged on two sides of the movable plate 71, one end, away from the rotating block 10, of the movable plate 71 is rotationally connected with the fixed plate 31, a movable groove 72 is formed in the movable plate 71, a movable piece 8 is movably arranged in the movable groove 72, a mounting plate 73 is arranged at one end, close to the rotating block 10, of the movable plate 71, a reset spring 74 is arranged on the mounting plate 73, the other end of the reset spring 74 is connected with the movable piece 8, and a pull rope 75 is arranged on the movable piece 8.

The moving part 8 comprises a sliding block 81 movably arranged in the moving groove 72, a reset spring 74 and a pull rope 75 are fixedly connected with the sliding block 81, a top block 82 is arranged on the sliding block 81, a mounting block 83 is arranged on the sliding block 81, a mounting groove 84 matched with the top block 82 is formed in the bottom of the mounting block 83, a side plate 85 is arranged on the mounting block 83, and a cross rod 86 is arranged on the side plate 85.

When the bandage is required to be wound, the fixing plate 31 is placed under the patient, the movable plate 71 is clung to the back of the patient at the moment, discomfort of the patient is reduced through the foam cushion 76, the mounting block 83 is sleeved outside the top block 82, therefore, the mounting block 83 can be separated from the sliding block 81, the bandage is wound on the cross rod 86 before the bandage is wound, then the mounting block 83 is placed on the sliding block 81, the other end of the hospital bed is provided with the hand-held pull rope 75 by a medical staff, when the medical staff pulls the pull rope 75 by hand, the pull rope 75 drives the sliding block 81 to move in the moving groove 72, the sliding block 81 drives the mounting block 83 to move, the bandage is further enabled to bypass the back of the patient, after the sliding block 81 moves to the other end of the movable plate 71, the mounting block 83 is taken down, at the moment, under the action of the reset spring 74, then the medical staff bypasses the bandage to one side of the sliding block 81, the mounting block 83 is placed on the sliding block 81, the process is repeated, and meanwhile, the movable block can rotate relative to the fixing plate 31, each circle of the bandage can be staggered, and a better winding effect is achieved.

In summary, when in use, the device is fixed on a sickbed, the U-shaped plate 1 is clamped on one side of the sickbed, then the rotating disc 23 is screwed to drive the fixing screw 21 to rotate, the fixing screw 21 drives the pressing plate 22 to move, and the pressing plate 22 is matched with the U-shaped plate 1 to clamp the side edge of the sickbed, so that the device is fixed with the sickbed;

at this time, the fixing plate 31 is parallel to the arm of the patient, the arm of the patient is fixed through the clamping assembly 6, when the hand of the patient is fixed, the wrist of the patient is firstly placed on the sliding plate 63, the connecting belt 67 is tensioned to fix the hand tightly, and then the hand can be fixed through positioning by the magic tape 68;

when the arm of a patient is lifted, the rotation knob 46 drives the limit screw 43 to rotate, the limit screw 43 moves on the fixed seat 42 in a spiral way to drive the arc plate 44 to be far away from the rotating shaft 9, at the moment, the second bump 45 is far away from the first bump 41, the rotating block 10 can drive the supporting mechanism 3 to rotate, after the adjustment is finished, the rotation knob 46 and the limit screw 43 drive the arc plate 44 to reset, the telescopic rod 47 plays a guiding role on the movement of the arc plate 44, so that the second bump 45 is clamped in a gap between the first bumps 41, and the limit on the rotating shaft 9 is realized;

then medical staff can carry out dressing change operation on wounds of patients, when dressing change is finished, the wounds are required to be wrapped again by applying bandages, at the moment, the connecting belt 67 can be loosened to release the fixation of arms of the patients, then the pull button 58 is pulled, the pull button 58 drives the positioning block 55 to be separated from the positioning clamping groove 53 to move into the positioning sliding groove 54 through the positioning rod 57, further the limit of the inserting block 51 is released, at the moment, the inserting block 51 can be separated from the inserting groove 52, meanwhile, the fixing plate 31 can be separated from the rotating block 10, the fixing plate 31 can rotate relative to the rotating block 10 after being separated from the rotating block 10, the fixing plate 31 can rotate to the sickbed level, meanwhile, the fixing plate 31 can slide on the rotating block 10 along the fixing column 13, then the patients are lifted, and the fixing plate 31 is slid under the patients;

at this time, the movable plate 71 is clung to the back of the patient, the discomfort of the patient is reduced through the foam-rubber cushion 76, the installation block 83 is sleeved on the outer side of the top block 82, so that the installation block 83 can be separated from the sliding block 81, before the bandage is wound, the bandage is wound on the cross rod 86, then the installation block 83 is placed on the sliding block 81, the medical staff is positioned at the other end of the sickbed and holds the pull rope 75 by hand, when the medical staff pulls the pull rope 75 by hand, the pull rope 75 drives the sliding block 81 to move in the moving groove 72, the sliding block 81 drives the installation block 83 to move, so that the bandage bypasses the back of the patient, after the sliding block 81 moves to the other end of the movable plate 71, the installation block 83 is removed and the pull rope 75 is loosened, at this time, under the action of the reset spring 74, then the medical staff bypasses the bandage to the side of the sliding block 81, then the installation block 83 is placed on the sliding block 81, and the above process is repeated, and meanwhile, the movable block can rotate relative to the fixed plate 31, so that each circle of the bandage is staggered, and a better winding effect is achieved;

when the whole process is finished, the fixing plate 31 is moved out of the patient, then the inserting block 51 is reinserted into the inserting groove 52, the inserting block is limited by the positioning block 55, and finally the device is taken down, and the device can be retracted to be parallel to the side edge of a sickbed, so that the next use is convenient.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thoracic surgery is with support of changing dressings, includes U template (1), its characterized in that: the utility model discloses a hospital bed, including U-shaped board (1), locating component (5) are provided with on U-shaped board (1), U-shaped board (1) is connected with the sick bed border through fixed subassembly (2), U-shaped board (1) is gone up to rotate and is provided with axis of rotation (9), axis of rotation (9) tip is provided with turning block (10), be provided with supporting mechanism (3) on turning block (10), through supporting mechanism (3) can lift up patient's arm when changing dressings, be provided with on U-shaped board (1) and rotate spacing subassembly (4) to axis of rotation (9), be provided with locating component (5) on turning block (10), supporting mechanism (3) are through locating component (5) movable mounting on turning block (10);

the supporting mechanism (3) comprises a fixed plate (31) movably mounted on the rotating block (10), a clamping assembly (6) for fixing the hands of a patient is arranged on the fixed plate (31), an auxiliary assembly (7) is movably arranged on the fixed plate (31), and medical staff can be assisted to wind the bandage after dressing change is finished through the auxiliary assembly (7);

the positioning assembly (5) comprises an inserting block (51) arranged at the end part of the fixed plate (31), a slot (52) matched with the inserting block (51) for use is formed in the rotating block (10), a positioning clamping groove (53) is formed in the inserting block (51), a positioning sliding groove (54) is formed in the rotating block (10), a positioning block (55) matched with the positioning clamping groove (53) in an inserting mode is movably arranged in the positioning sliding groove (54), a positioning spring (56) is arranged on the positioning block (55), two ends of the positioning spring (56) are fixedly connected with the side walls of the positioning block (55) and the positioning sliding groove (54) respectively, a positioning rod (57) is further arranged on the positioning block (55), one end of the positioning rod (57) movably penetrates through the rotating block (10), and a pull button (58) is arranged at the end part of the positioning rod;

side grooves (11) are formed in two sides of the fixed plate (31), vertical plates (12) are arranged in two sides of the rotating block (10), fixed columns (13) are arranged on the vertical plates (12), and the fixed columns (13) are in sliding fit with the side grooves (11);

the auxiliary assembly (7) comprises a movable plate (71) arranged on the back side of the fixed plate (31), one end, away from the rotating block (10), of the movable plate (71) is rotationally connected with the fixed plate (31), a movable groove (72) is formed in the movable plate (71), a movable piece (8) is movably arranged in the movable groove (72), a mounting plate (73) is arranged at one end, close to the rotating block (10), of the movable plate (71), a return spring (74) is arranged on the mounting plate (73), the other end of the return spring (74) is connected with the movable piece (8), and a pull rope (75) is arranged on the movable piece (8);

moving part (8) including the activity setting slider (81) in remove groove (72), reset spring (74) and stay cord (75) all with slider (81) fixed connection, be provided with kicking block (82) on slider (81), be provided with installation piece (83) on slider (81), installation groove (84) with kicking block (82) cooperation use have been seted up to installation piece (83) bottom, be provided with curb plate (85) on installation piece (83), be provided with horizontal pole (86) on curb plate (85).

2. A dressing change holder for thoracic surgery according to claim 1, wherein: the fixing assembly (2) comprises a fixing screw (21) with threads penetrating through the U-shaped plate (1), a pressing plate (22) is arranged at one end of the fixing screw (21) located in the U-shaped plate (1), a rotating disc (23) is arranged at the other end of the fixing screw (21), and the rotating disc (23) can drive the fixing screw (21) to move on the U-shaped plate (1).

3. A dressing change stand for thoracic surgery according to claim 2, wherein: the utility model discloses a motor vehicle is characterized in that the limiting component (4) comprises a plurality of protruding blocks I (41) arranged on the outer side of the rotating shaft (9), a fixed seat (42) is arranged on the U-shaped plate (1), a limiting screw (43) penetrates through threads on the fixed seat (42), one end, close to the rotating shaft (9), of the limiting screw (43) is rotationally connected with an arc plate (44), a plurality of protruding blocks II (45) are arranged on the arc plate (44), a knob (46) is arranged at the other end of the limiting screw (43), a telescopic rod (47) is arranged between the arc plate (44) and the fixed seat (42), and two ends of the telescopic rod (47) are respectively connected with the arc plate (44) and the fixed seat (42).

4. A dressing change holder for thoracic surgery according to claim 3, wherein: the utility model discloses a fixed plate (31) is provided with arc wall (61), arc wall (61) is kept away from one end of rotating block (10) and is offered sliding tray (62), clamping assembly (6) are including sliding slide plate (63) that set up in sliding tray (62), sliding tray (62) internal fixation is provided with guide bar (64), guide bar (64) run through sliding tray (63), the guide bar (64) outside is provided with guide spring (65), guide spring (65) both ends respectively with sliding tray (62) lateral wall and sliding tray (63) fixed connection, sliding tray (63) one side is provided with solid fixed ring (66), sliding tray (63) opposite side is fixed to be provided with connecting band (67), gu fixed ring (66) are passed to connecting band (67) one end, be provided with magic subsides (68) on connecting band (67), the primary and secondary both sides that magic subsides (68) all set up on connecting band (67).

5. A dressing change stand for thoracic surgery as claimed in claim 4 wherein: both sides of the movable plate (71) are provided with sponge pads (76).