CN115429606A - Limb tractor for burn operation - Google Patents

Limb tractor for burn operation Download PDF

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Publication number
CN115429606A
CN115429606A CN202211117972.XA CN202211117972A CN115429606A CN 115429606 A CN115429606 A CN 115429606A CN 202211117972 A CN202211117972 A CN 202211117972A CN 115429606 A CN115429606 A CN 115429606A
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China
Prior art keywords
rod
sliding
groove
main body
swing
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Granted
Application number
CN202211117972.XA
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Chinese (zh)
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CN115429606B (en
Inventor
曾俊
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First Affiliated Hospital of Zhengzhou University
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First Affiliated Hospital of Zhengzhou University
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Priority to CN202211117972.XA priority Critical patent/CN115429606B/en
Publication of CN115429606A publication Critical patent/CN115429606A/en
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Publication of CN115429606B publication Critical patent/CN115429606B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
    • A61G13/1245—Knees, upper or lower legs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A61G13/126—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with specific supporting surface
    • A61G13/1265—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with specific supporting surface having inflatable chambers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A61G13/128—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations
    • A61G13/1285—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations having modular surface parts, e.g. being replaceable or turnable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2210/00—Devices for specific treatment or diagnosis

Abstract

A burn operation limb tractor which effectively solves the problem that the existing device is inconvenient to adjust when in traction; the hemostatic airbag device comprises a main body, wherein a rotating shaft is arranged on the main body, a swinging rod is arranged at the right end of the rotating shaft, opposite ends of the two swinging rods are respectively and rotatably connected with a rotating shaft, opposite ends of the two rotating shafts are respectively provided with a swinging rod, the right end of the swinging rod is connected with a connecting rod through a connecting shaft, through grooves are respectively formed in the rotating shaft and the connecting shaft, through holes are respectively formed in the connecting rod and the swinging rod, a moving rod is slidably connected in the swinging rod, a combination groove is formed in the main body, a lifting rod is arranged in the combination groove, a sliding frame is arranged in the main body, moving rods are respectively arranged on the front side and the rear side of the main body, hemostatic airbags are respectively and slidably connected with the inner sides of the swinging rod and the connecting rod, an active airbag is arranged in the main body, the hemostatic airbags are communicated with the active airbags through the connecting pipes, a concave frame is arranged at the rear end of the sliding frame, and the active airbag is positioned in an opening of the concave frame; the invention has the advantages of ingenious structure, convenient use, novel concept and strong practicability.

Description

Limb tractor for burn operation
Technical Field
The invention relates to the technical field of auxiliary instruments of traction instruments, in particular to a limb tractor for burn surgery.
Background
At present, when carrying out the scab operation of limbs to burn patient, the operating room need lift up patient's low limbs usually, cut the scab to patient's limbs afterwards, but current device is pulling when lifting to patient's limbs, can only carry out pulling and lifting of small range to patient's affected limb usually, the downside that can not make patient's limbs exposes completely, be unfavorable for the scab operation of cutting the limb to patient's affected limb, and only lift up patient's affected limb, can not expose through the inboard skin that adjusts messenger affected limb, make medical staff need break patient's affected limb outside off with the fingers and thumb, in order to conveniently cut the scab operation to the affected part of affected limb inboard, the practicality and the application scope of device have been reduced, can not satisfy the operation requirement.
Disclosure of Invention
Aiming at the situation, in order to make up for the defects of the prior art, the invention aims to provide the limb retractor for burn surgery, which effectively solves the problem that the existing device is inconvenient to adjust when in traction.
The technical scheme for solving the problem is that the invention comprises a main body in the left-right direction, wherein left and right axial rotating shafts are respectively arranged on the front side and the rear side of the main body, an inverted L-shaped oscillating rod is arranged at the right end of the rotating shaft, opposite ends of the two oscillating rods are respectively and rotatably connected with a front axial rotating shaft and a rear axial rotating shaft, opposite ends of the two rotating shafts are respectively provided with a left oscillating rod and a right oscillating rod, the right end of the oscillating rod is connected with a left-high and right-low connecting rod through a front axial connecting shaft and a rear axial connecting shaft, through grooves in the left-right direction are respectively arranged on the rotating shaft and the connecting shaft, through holes which can be communicated with the through grooves on the corresponding sides of the connecting rod and the oscillating rod are respectively arranged on the connecting rod, the swing rod is connected with a moving rod capable of being inserted into the through groove on the right side in a sliding manner, a combined groove is formed in the main body, a lifting rod which is up and down and can move up and down is arranged in the combined groove, a sliding frame which is in a shape of Chinese character 'zhong' and is provided with an upward opening is arranged in the main body, the upper end of the lifting rod is inserted into the sliding frame, moving rods which move left and right along with the sliding frame are arranged on the front side and the rear side of the main body respectively, when the sliding frame moves rightwards, the moving rods are inserted into the through groove on the left side and enable the left end of the swing rod to swing downwards, the moving rods are inserted into the through groove on the right side, when the sliding frame moves leftwards, the right end of the connecting rod is close to the swing rod, and when the lifting rod moves backwards, the two swing rods swing relatively;
the swing rod and the inner side of the connecting rod are respectively connected with a hemostasis air bag in a sliding mode, an active air bag is arranged in the main body, the hemostasis air bags are respectively communicated with the active air bags through the connecting pipes, the rear end of the sliding frame is provided with a concave frame, and the active air bags are located in openings of the concave frame.
The hemostatic air bag has the advantages of ingenious structure, convenience in use, novel concept and strong practicability, the adjustment of lifting up and putting out different postures of the affected limb of a patient and the hemostasis of the affected limb of the patient can be completed by repeatedly starting the motor, the position of the hemostatic air bag can be adjusted according to the leg length of the patient by rotating the first screw rod and the second screw rod and moving the position of the sliding block, so that the hemostatic air bag can adapt to the patients with different leg lengths, the use and the operation of medical staff are facilitated, the practicability and the application range of the device are increased, and the adjustment of the posture and the hemostasis position of the affected limb of the patient is facilitated.
Drawings
Fig. 1 is an isometric view of the present invention.
FIG. 2 is a front elevational perspective view, in full section, of the present invention.
FIG. 3 is a step cut front isometric view of the present invention.
Figure 4 is a partially cut-away front isometric view of the present invention.
FIG. 5 is a right isometric view in full section of the present invention.
Figure 6 is a cut-away right isometric view of the present invention.
Figure 7 is a cutaway top isometric view of the present invention.
Figure 8 is a top isometric view in partial cutaway of the present invention.
FIG. 9 is an isometric view of an air bag cassette, connecting tube and inverted V-shaped frame of the present invention.
Fig. 10 is an isometric view of the rocker, connecting rod, slide plate and slide frame of the present invention.
Fig. 11 is an enlarged view of a in fig. 3 of the present invention.
Fig. 12 is an enlarged view of B of fig. 3 according to the present invention.
Fig. 13 is an enlarged view of C of fig. 4 according to the present invention.
Fig. 14 is an enlarged view of D of fig. 6 in accordance with the present invention.
Fig. 15 is an enlarged view of E of fig. 6 of the present invention.
Fig. 16 is an enlarged view of F of fig. 7 of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 16, the device comprises a main body 1 in left and right directions, wherein left and right axial rotating shafts 2 are respectively arranged on the front side and the rear side of the main body 1, an inverted L-shaped swinging rod 3 is arranged at the right end of the rotating shaft 2, the opposite ends of the two swinging rods 3 are respectively and rotatably connected with front and rear axial rotating shafts 4, the opposite ends of the two rotating shafts 4 are respectively and rotatably connected with left and right swing rods 5, the right end of the swing rod 5 is connected with a connecting rod 6 which is higher at the left and lower at the right through a front and rear axial connecting shaft, through grooves in left and right directions are respectively arranged on the rotating shafts 4 and the connecting shaft, through holes which can be communicated with the through grooves on the corresponding sides of the connecting rod 6 and the swing rod 5 are respectively arranged on the connecting rod 6 and the swing rod 5, a moving rod 7 which can be inserted into the through groove on the right side is slidably connected with the swing rod 5, a combination groove 8 is formed in the main body 1, a lifting rod 9 which can move up and down is arranged in the combination groove 8, a sliding frame 10 which is in a shape of Chinese character 'zhong' and has an upward opening is arranged in the main body 1, the upper end of the lifting rod 9 is inserted into the sliding frame 10, moving rods 11 which move left and right along with the sliding frame 10 are respectively arranged on the front side and the rear side of the main body 1, when the sliding frame 10 moves right, the moving rods 11 are inserted into the through grooves on the left side, the left end of the swing rod 5 swings downwards, the moving rods 7 are inserted into the through grooves on the right side, when the sliding frame 10 moves left, the right end of the connecting rod 6 is close to the swing rod 5, and when the lifting rod 9 moves backwards, the two swing rods 3 swing relatively;
the inner sides of the swing rod 5 and the connecting rod 6 are respectively connected with a hemostatic air bag 12 in a sliding manner, an active air bag 13 is arranged in the main body 1, the hemostatic air bags 12 are respectively communicated with the active air bag 13 through connecting pipes 14, a concave frame 15 is arranged at the rear end of the sliding frame 10, and the active air bag 13 is positioned in an opening of the concave frame 15.
In order to push the lifting rod 9 to move, the main body 1 is internally provided with a motor 16 which is axially arranged up and down, the output end of the motor 16 is provided with a telescopic rod 17 which is arranged in the front-back direction, and the lower end of the lifting rod 9 penetrates through the telescopic rod 17 and can move in the telescopic rod 17.
In order to enable the movable rod 11 to move left and right along with the sliding frame 10 and be inserted into the through groove on the left side, the movable rod 7 is inserted into the through groove on the right side, the movable rod 11 is inserted into the through groove on the left side and enable the left end of the swing rod 5 to swing downwards, the left end and the right end of the sliding frame 10 are respectively provided with a U-shaped sliding plate 18 with an upward opening, a connecting rod 19 inserted into the opening of the sliding plate 18 on the left side is arranged between the two movable rods 11, the front side and the rear side of the main body 1 are respectively provided with a sliding groove 20, the movable rods 11 are provided with inserting rods 21 inserted into the sliding grooves 20 on the corresponding sides, the sliding grooves 20 comprise transverse grooves and arc-shaped grooves in the left and right directions, and the right end of the connecting rod 6 is provided with a stop rod 22 capable of being inserted into the sliding plate 18 on the right side.
In order that the right end of the connecting rod 6 is close to the swing link 5 when the sliding frame 10 moves rightwards, the inner side surface of the right sliding plate 18 can be in contact with the stop lever 22, and a certain distance is reserved between the sliding plate 18 and the left end of the stop lever 22.
In order to enable the two swinging rods 3 to swing relatively when the lifting rod 9 moves backwards, the combined groove 8 comprises a semicircular groove and a U-shaped moving groove, a U-shaped lifting groove 32 communicated with the moving groove is formed in the main body 1, a guide groove communicated with the combined groove 8 and the lifting groove 32 is formed in the main body 1, the lifting rod 9 is provided with an inserting column 23 capable of being inserted into the lifting groove 32 and the guide groove, the front side and the rear side in the main body 1 are respectively connected with a T-shaped moving plate 24 capable of contacting with the swinging rods 3 corresponding to the T-shaped moving plate, the two moving plates 24 are connected through a connecting rope 25, the main body 1 is internally provided with a plurality of guide columns 26 contacting with the connecting rope 25, and the moving plate 24 at the front side is provided with an inverted L-shaped fixing plate 27 capable of contacting with the lifting rod 9.
In order to facilitate the contraction of the active air bag 13, an air bag box 28 is arranged in the main body 1, the active air bag 13 is located in the air bag box 28, push plates 29 located in the air bag box 28 are respectively arranged at the left end and the right end of the active air bag 13, the left end and the right end of the concave-shaped frame 15 can be respectively contacted with the push plates 29, a spring is arranged in the active air bag 13, and convex blocks which can be contacted with the corresponding side push plates 29 are respectively arranged at the left side and the right side in the air bag box 28.
In order to facilitate the resetting of the moving rod 7, the moving rod 7 is connected with the swing rod 5 through a first tension spring.
In order to limit the movement of the hemostatic air bag 12, the swing rod 5 and the connecting rod 6 are respectively provided with a sliding groove, the swing rod 5 and the connecting rod 6 are respectively and slidably connected with a sliding block 30 positioned in the sliding groove on the corresponding side, the sliding block 30 is fixedly connected with the hemostatic air bag 12 on the corresponding side, the two sliding blocks 30 on the right side are respectively and oppositely connected with a first screw rod 31 extending out of the sliding groove in a threaded manner, and the upper ends of the two sliding blocks 30 on the left side are respectively and threadedly connected with a second screw rod extending out of the sliding groove.
In order to facilitate the reset of the moving plate 24, the two moving plates 24 are connected with the main body 1 through second tension springs respectively at the back ends.
When the hemostatic air bag hemostatic device is used, when a patient needs to perform a scabbing operation on an affected limb, the patient lies on the main body 1, the affected limb of the patient sequentially passes through the two hemostatic air bags 12 on the corresponding side in the left-right direction, the positions of the sliding block 30 and the hemostatic air bags 12 are adjusted according to the positions of the thigh roots and the ankles of the patient, when the distance between the two hemostatic air bags 12 on the left-right direction needs to be increased, the first screw 31 and the second screw are rotated, the sliding block 30 on the corresponding side is not extruded by the first screw 31 and the second screw, the sliding block 30 is moved, the sliding block 30 drives the hemostatic air bags 12 to move, the hemostatic air bags 12 on the left side are located on the thigh roots of the patient, the hemostatic air bags 12 on the right side are located on the ankles of the patient, the first screw 31 and the second screw are rotated in the opposite directions, the first screw 13 and the second screw extrude the sliding blocks 30 on the corresponding sides, the sliding block 30 is limited again, and the hemostatic air bags 12 are prevented from moving;
then starting a motor 16, driving a telescopic rod 17 to rotate clockwise by the motor 16, driving a lifting rod 9 to move in a combination groove 8 by the telescopic rod 17, driving an inserting column 23 to move in a guide groove by the lifting rod 9, driving a sliding frame 10 to move rightwards by the telescopic rod 17, driving sliding plates 18 on the left side and the right side to move rightwards by the sliding frame 10, and driving a concave frame 15 to move rightwards by the sliding frame 10;
when the sliding frame 10 drives the sliding plates 18 on the left side and the right side to move rightwards, the sliding plate 18 on the left side drives the connecting rod 19 to move rightwards, the connecting rod 19 drives the inserting rod 21 to move rightwards along the sliding groove 20 through the moving rod 11, at the moment, the inserting rod 21 is positioned in the transverse groove, the moving rod 11 does not deflect, the motor 16 continues to rotate, after the sliding plate 18 drives the moving rod 11 to move rightwards for a certain distance, the moving rod 11 is inserted into the through hole and gradually contacts with the moving rod 7 on the corresponding side, because a certain distance exists between the sliding plate 18 on the right side and the blocking rod 22, when the sliding plate 18 on the left side moves rightwards, the sliding plate 18 on the left side temporarily does not contact with the left side of the blocking rod 22, the sliding plate 18 on the left side continues to move rightwards, the moving rod 11 continues to drive the inserting rod 21 to move inwards in the transverse groove, and the moving rod 11 pushes the moving rod 7 to move rightwards and gradually inserts into the through hole on the right side, so that the swinging rod 5 and the connecting rod 6 cannot relatively swing;
in the process, the sliding frame 10 drives the left push plate 29 to move rightwards through the concave-shaped frame 15, so that the left push plate 29 is not contacted with the bump on the corresponding side any more, the spring is compressed, the active air bag 13 is extruded, the gas in the active air bag 13 is discharged into the hemostatic air bag 12 through the connecting pipe 14, the hemostatic air bag 12 is gradually expanded to press the root and ankle of the thigh of the patient, and the wounded limb of the patient is prevented from bleeding too much when the eschar cutting operation is performed on the patient;
then the movable rod 11 drives the inserted link 21 to be inserted into the arc-shaped groove, the movable rod 11 continuously moves rightwards and drives the inserted link 21 to move upwards along the arc-shaped groove, the movable rod 11 gradually approaches to the axis of the rotating shaft 4, the movable rod 11 starts to swing along the axis of the rotating shaft 2, the movable rod 11 drives the left end of the swing rod 5 to swing downwards through the through groove and the through hole on the left side, the movable rod 11 continuously inserts into the through hole and the through groove and continuously pushes the movable rod 7 to move towards the through hole and the through groove on the right side in the process, the first tension spring is continuously stretched, and the right end of the swing rod 5 swings upwards;
because the time shifting rod 7 is inserted into the through hole and the through groove on the right side, the right end of the swing rod 5 drives the connecting shaft and the connecting rod 6 to swing upwards through the time shifting rod 7, the swing rod 5 and the connecting rod 6 continue to drive the affected limb of the patient to swing upwards through the hemostasis air bag 12, meanwhile, the concave-shaped frame 15 continues to extrude the active air bag 13 through the push plate 29 on the left side, the hemostasis air bag 12 continues to expand and oppress the thigh root and the ankle of the patient, and the lower skin of the affected limb of the patient is gradually exposed;
the motor 16 continues to rotate, when the motor 16 drives the telescopic rod 17 to rotate for 90 degrees, the sliding frame 10 moves rightwards to the extreme position, the swing rod 5 and the connecting rod 6 drive the affected limb of the patient to swing upwards to the highest position through the hemostasis air bag 12 on the corresponding side of the swing rod, the skin on the lower side of the affected limb of the patient is completely exposed, the pressure of the hemostasis air bag 12 on the thigh root and the ankle of the patient is constant, the patient can be subjected to compression hemostasis, meanwhile, the motor 16 automatically stops rotating, the sliding frame 10 is stably located at the same position and does not change, and the scab cutting operation is carried out on the skin on the lower side of the affected limb of the patient according to needs;
when the scabbing operation on the skin on the lower side of the affected limb of the patient is finished and the skin on the lower side of the affected limb of the patient does not need to be exposed, the motor 16 is started again, the motor 16 drives the telescopic rod 17 to rotate forwards, the telescopic rod 17 drives the lifting rod 9 to move forwards along the combination groove 8, the telescopic rod 17 drives the sliding frame 10 to move forwards, the sliding frame 10 starts to drive the two sliding plates 18 to move leftwards, the sliding frame 10 drives the concave frame 15 to move leftwards, the left sliding plate 18 drives the connecting rod 19 to move leftwards and downwards while the left sliding plate 18 moves leftwards, the connecting rod 19 drives the moving rod 11 to move leftwards, the moving rod 11 does not push the moving rod 7 any more under the action of the arc-shaped groove, the moving rod 7 moves leftwards under the action of the second tension spring, the inserted rod 21 drives the moving rod 11 to move leftwards and the moving rod 11 gradually moves away from the axis of the rotating shaft 4;
meanwhile, the concave frame 15 does not extrude the left push plate 29 any more, the left push plate 29 moves leftwards in the air bag box 28 under the action of the spring, the active air bag 13 extends and sucks the gas in the hemostatic air bag 12 through the connecting pipe 14, so that the gas in the hemostatic air bag 12 is reduced, and the pressure on the heel and the ankle of the patient is gradually reduced;
the telescopic rod 17 continues to rotate, after the telescopic rod 17 rotates for a certain angle, the sliding plate 18 drives the movable rod 11 to move leftwards through the connecting rod 19, at this time, the movable rod 11 drives the inserted rod 21 to move to the junction of the arc-shaped groove and the transverse groove, then the sliding plate 18 drives the movable rod 11 to move leftwards through the connecting rod 19, at this time, the sliding plate 18 drives the movable rod 11 to move leftwards through the connecting rod 19, the movable rod 11 does not move downwards any more, under the action of a second tension spring, the movable rod 7 gradually moves leftwards and returns to the through hole and the through groove on the left side, and at this time, the push plate 29 on the left side is in contact with the convex block on the corresponding side;
when the telescopic rod 17 rotates 180 degrees, the lifting rod 9 is positioned at the other junction of the moving groove and the semicircular groove, the moving rod 11, the sliding plate 18, the sliding frame 10, the hemostasis air bag 12, the swing rod 5 and the connecting rod 6 move to the initial position, the hemostasis air bag 12 does not perform compression hemostasis on the affected limb of the patient, the left side and the right side of the concave-shaped frame 15 are respectively contacted with the push plate 29 at the corresponding side, the stop lever 22 is inserted into the sliding plate 18 at the right side again, and the spring restores the initial state;
at the moment, the motor 16 continues to rotate, the telescopic rod 17 extends and drives the sliding frame 10 to move leftwards through the lifting rod 9, the lifting rod 9 drives the inserting column 23 to move along the guide groove, the sliding frame 10 drives the two sliding plates 18 to move leftwards, the sliding plate 18 on the left side drives the connecting rod 19, the moving rod 11 and the inserting rod 21 to move leftwards, the sliding plate 18 on the right side drives the right end of the connecting rod 6 to move leftwards through the stop rod 22, the left end of the connecting rod 6 drives the right end of the oscillating rod 5 to swing upwards, the left end of the oscillating rod 5 swings downwards, the left end of the connecting rod 6 and the right end of the oscillating rod 5 rotate around the connecting shaft, and the left end of the oscillating rod 5 rotates around the rotating shaft 4;
meanwhile, the concave frame 15 drives the right push plate 29 to extrude the active air bag 13, the right push plate 29 drives the active air bag 13 to contract, the spring is compressed, the gas in the active air bag 13 is discharged into the hemostatic air bag 12 again through the connecting pipe 14, the pressure on the thigh root and the ankle of the patient is gradually increased, and meanwhile, the swing rod 5 and the connecting rod 6 drive the joint part of the affected limb of the patient to move upwards through the hemostatic air bag 12, so that the affected limb of the patient is bent;
the lifting rod 9 continues to move leftwards and backwards along the moving groove, when the lifting rod 9 moves leftwards to a turning point of the moving groove, the hemostasis air bag 12 finishes hemostasis by compression on the thigh root and ankle of the patient, the swinging rod 5 and the connecting rod 6 drive the affected limb of the patient to bend to a proper angle through the hemostasis air bag 12, at the moment, the lifting rod 9 is in contact with the fixed plate 27 and drives the fixed plate 27 to move backwards, the fixed plate 27 drives the moving plate 24 on the front side to move backwards, the moving plate 24 on the front side drives the moving plate 24 on the rear side to move forwards through the connecting rope 25 and the fixed column, the moving plate 24 on the front side drives the lower end of the swinging rod 3 on the front side to swing upwards and inwards, the moving plate 24 on the rear side drives the lower end of the swinging rod 3 on the rear side to swing upwards and inwards, the two swinging rods 3 rotate around the rotating shafts 2 on the corresponding sides respectively, and the two swinging rods 3 swing relatively;
at the moment, the swing rod 3 at the front side drives the right end of the swing rod 5 at the corresponding side to swing outwards, the swing rod 3 at the rear side drives the right end of the swing rod 5 at the corresponding side to swing outwards, the swing rod 5 drives the left end of the connecting rod 6 at the corresponding side to swing in the same direction through the connecting shaft, the swing rod 5 and the connecting rod 6 drive the affected limb of the patient to swing outwards through the hemostatic air bag 12, so that the skin at the inner side of the affected limb of the patient is exposed, when the lifting rod 9 drives the inserting column 23 to move to the junction of the front sides of the guide groove and the lifting groove 32, the motor 16 stops rotating, so that the sliding frame 10 and the lifting rod 9 are stable and immovable, at the moment, the swing rod 5 and the connecting rod 6 drive the affected limb of the patient to swing outwards to a position where the affected limb can be completely exposed, and then the skin at the inner side of the affected limb of the patient is subjected to scabbing operation;
after the scabbing operation on the inner side of the affected limb of the patient is finished, the motor 16 is started again, the motor 16 drives the lifting rod 9 to move along the combination groove 8 through the telescopic rod 17, the lifting rod 9 drives the insertion column 23 to move downwards along the lifting groove 32, so that the lifting rod 9 moves downwards and gradually does not contact with the fixed plate 27 any more, after the lifting rod 9 moves downwards to the limit position, the lifting rod 9 is separated from the contact with the fixed plate 27, under the action of a first tension spring, the two movable plates 24 move back and forth, the movable plate 24 on the front side drives the fixed plate 27 to move forwards, under the action of the leg tension of the patient, the affected limb of the patient drives the swing rod 5 and the connecting rod 6 to swing inwards through the hemostatic air bag 12, the swing rod 5 drives the swing rod 3 to rotate in the opposite direction of the axis of the swing rod 2, the swing rod 5 drives the connecting rod 6 on the corresponding side to swing inwards, the connecting rod 6 drives the blocking rod 22 to swing and is located in the sliding plate 18 on the right side, the lifting rod 9 continues to move backwards in the moving groove, after the lifting rod 9 moves backwards, and after the lifting rod 9 moves backwards to a certain position, the lifting rod 9 moves upwards under the action of the lifting groove 32 and the insertion column 23, and the sliding plate 18 does not move, and the sliding plate 18 moves;
when the lifting rod 9 moves to the other junction of the lifting groove 32 and the guide groove, the lifting rod 9 drives the insert post 23 to move backwards, when the lifting rod 9 moves backwards to the other turning point of the moving groove, the telescopic rod 17 contracts and drives the lifting rod 9 and the insert rod 21 to move towards the right and back, the lifting rod 9 starts to drive the sliding frame 10 to move towards the right, the sliding frame 10 drives the two sliding plates 18 to move towards the right, the sliding plate 18 on the left side drives the moving rod 11 to move towards the right through the connecting rod 19, the sliding plate 18 on the right side moves towards the right for a certain position and then contacts with the left side of the stop lever 22, the sliding plate 18 on the right side drives the right end of the connecting rod 6 to move towards the right through the stop lever 22, the right end of the connecting rod 6 swings upwards, and the left end of the connecting rod 6 swings downwards and drives the right end of the swing rod 5 on the corresponding side to swing downwards;
in the process, the sliding frame 10 drives the concave frame 15 to move rightwards, the concave frame 15 does not extrude the right push plate 29 any more, the right push plate 29 moves rightwards under the action of the spring, the active air bag 13 gradually extends and sucks air in the hemostasis air bag 12 through the connecting pipe 14, and the hemostasis air bag 12 does not compress and stanch the affected limb of the patient any more;
when the telescopic rod 17 rotates to the initial position, the telescopic rod 17 recovers the initial length, the lifting rod 9 moves to the initial position, at this time, the swing rod 5, the connecting rod 6, the sliding plate 18 and the sliding frame 10 move to the initial position, the push plates 29 on the left and right sides are respectively contacted with the convex blocks on the corresponding sides, the spring recovers the initial length, the motor 16 stops rotating, the affected limb of the patient is moved out of the hemostasis air bag 12 on the corresponding side, and the patient can leave the main body 1.
The control of the motor in the present invention is prior art and this technology will not be described in detail.
The invention has simple structure, convenient operation, novel conception and strong practicability, and is provided with the swing rod, the rotating shaft, the through hole, the through groove, the moving rod, the combined groove, the lifting rod, the sliding groove, the lifting groove, the sliding plate, the stop lever, the guide groove, the lifting groove, the swinging rod, the moving plate and the fixing plate, which can lift up the affected limb of a patient to expose the lower side skin of the affected limb of the patient and swing the affected limb of the patient outwards to expose the inner side skin of the affected limb of the patient.
Therefore, the burn operation limb retractor provided by the invention can effectively solve the problem of inconvenient adjustment in traction of the existing device, and has the advantages of simple structure operation, convenient use, novel concept and strong practicability.

Claims (9)

1. A burn surgery limb retractor comprises a main body (1) in left and right directions, and is characterized in that left and right axial rotating shafts (2) are respectively arranged on the front side and the rear side of the main body (1), an inverted L-shaped swing rod (3) is arranged at the right end of the rotating shaft (2), front and rear axial rotating shafts (4) are respectively rotatably connected with opposite ends of the two swing rods (3), left and right swing rods (5) are respectively arranged at opposite ends of the two rotating shafts (4), connecting rods (6) are connected with the right end of the swing rod (5) through front and rear axial connecting shafts, left and right through grooves are respectively formed in the rotating shafts (4) and the connecting shafts, through holes which can be communicated with the corresponding through grooves are respectively formed in the connecting rods (6) and the swing rods (5), a moving rod (7) which can be inserted into the through grooves are connected in the swing rods (5) in a sliding mode, a combined groove (8) is formed in the main body (1), a lifting rod (9) which is arranged in the up and down direction and can move up and down is arranged in the combined groove (8), a sliding frame (10) with upward and downward movement is arranged in the main body (1), and left and right movement of the sliding rod (10) along with the moving rod (10), and left sliding rod (10) are respectively inserted into the left and right movement of the sliding frame (10), the moving rod (7) is inserted into the through groove on the right side, when the sliding frame (10) moves leftwards, the right end of the connecting rod (6) is close to the swing rod (5), and when the lifting rod (9) moves backwards, the two swing rods (3) swing relatively;
the inner sides of the swing rod (5) and the connecting rod (6) are respectively connected with hemostatic airbags (12) in a sliding mode, an active airbag (13) is arranged in the main body (1), the hemostatic airbags (12) are respectively communicated with the active airbags (13) through connecting pipes (14), the rear end of the sliding frame (10) is provided with a concave frame (15), and the active airbag (13) is located in an opening of the concave frame (15).
2. The tractor for burned limbs according to claim 1, characterized in that a motor (16) is arranged in the main body (1) in the vertical axial direction, a telescopic rod (17) is arranged at the output end of the motor (16) in the front-back direction, and the lower end of the lifting rod (9) penetrates through the telescopic rod (17) and can move in the telescopic rod (17).
3. The retractor for burned surgical limbs according to claim 1, wherein the left and right ends of the sliding frame (10) are respectively provided with a U-shaped sliding plate (18) with an upward opening, a connecting rod (19) inserted into the opening of the sliding plate (18) on the left side is arranged between the two movable rods (11), the front and rear sides of the main body (1) are respectively provided with a sliding groove (20), the movable rods (11) are provided with insertion rods (21) inserted into the sliding grooves (20) on the corresponding sides, the sliding grooves (20) comprise a transverse groove and an arc-shaped groove in the left and right directions, and the right end of the connecting rod (6) is provided with a stop lever (22) inserted into the sliding plate ((18) on the right side.
4. The burned surgical limb retractor according to claim 3 wherein the right slide plate (18) has its inner side surface in contact with the stop bar (22), the slide plate (18) and the left end of the stop bar (22) being spaced apart.
5. The retractor for burned surgery limbs according to claim 1, wherein the combination groove (8) comprises a semicircular groove and a U-shaped moving groove, a U-shaped lifting groove (32) communicated with the moving groove is formed in the main body (1), a guide groove communicated with the combination groove (8) and the lifting groove (32) is formed in the main body (1), an insertion column (23) capable of being inserted into the lifting groove (32) and the guide groove is arranged on the lifting rod (9), T-shaped moving plates (24) capable of being contacted with the swinging rods (3) on the corresponding sides are respectively connected to the front side and the rear side in the main body (1) in a sliding manner, the two moving plates (24) are connected through a connecting rope (25), a plurality of guide columns (26) contacted with the connecting rope (25) are arranged in the main body (1), and a fixing plate (27) which is inverted L-shaped and can be contacted with the lifting rod (9) is arranged on the moving plate (24) on the front side.
6. The retractor for burned surgery limbs according to claim 1, characterized in that the main body (1) is provided with an air bag box (28), the active air bag (13) is arranged in the air bag box (28), the left and right ends of the active air bag (13) are respectively provided with a push plate (29) arranged in the air bag box (28), the left and right ends of the concave frame (15) are respectively contacted with the push plate (29), the active air bag (13) is provided with a spring, and the left and right sides in the air bag box (28) are respectively provided with a convex block which can be contacted with the push plate (29)) on the corresponding side.
7. The retractor for burned surgical limbs according to claim 1, wherein the moving rod (7) and the swing rod (5) are connected by a first tension spring.
8. The limb retractor for burn surgery according to claim 1, wherein the swing link (5) and the connecting rod (6) are respectively provided with a sliding groove, the swing link (5) and the connecting rod (6) are respectively connected with a sliding block (30) positioned in the sliding groove on the corresponding side in a sliding manner, the sliding block (30) is fixedly connected with the hemostatic air bag (12) on the corresponding side, the opposite ends of the two sliding blocks (30) on the right side are respectively connected with a first screw rod (31) extending out of the sliding grooves in a threaded manner, and the upper ends of the two sliding blocks (30) on the left side are respectively connected with a second screw rod extending out of the sliding grooves in a threaded manner.
9. The retractor for burnt surgical limbs according to claim 5, wherein the two movable plates (24) are connected with the main body (1) at the back ends thereof through second tension springs.
CN202211117972.XA 2022-09-14 2022-09-14 Limb tractor for burn operation Active CN115429606B (en)

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CN115429606B CN115429606B (en) 2023-09-15

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389188A2 (en) * 1989-03-21 1990-09-26 Ram Kumar Chatterjee Adjustable support device for surgery
JPH08173435A (en) * 1994-12-20 1996-07-09 Takasago Ika Kogyo Kk Traction wound opening device for operation
CN109124957A (en) * 2018-07-06 2019-01-04 中国人民解放军第四军医大学 It is multi-functional to be used for fire victim's operating table
KR102163755B1 (en) * 2019-05-09 2020-10-08 경남대학교 산학협력단 Medical bed having retractable groove formation function for lifting patient
CN112336336A (en) * 2020-11-05 2021-02-09 河南科技大学第一附属医院 MRI limb fixing device
AU2021102938A4 (en) * 2021-05-28 2021-07-29 Weilin Li Rectum eccentric type double-cavity airbag

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389188A2 (en) * 1989-03-21 1990-09-26 Ram Kumar Chatterjee Adjustable support device for surgery
JPH08173435A (en) * 1994-12-20 1996-07-09 Takasago Ika Kogyo Kk Traction wound opening device for operation
CN109124957A (en) * 2018-07-06 2019-01-04 中国人民解放军第四军医大学 It is multi-functional to be used for fire victim's operating table
KR102163755B1 (en) * 2019-05-09 2020-10-08 경남대학교 산학협력단 Medical bed having retractable groove formation function for lifting patient
CN112336336A (en) * 2020-11-05 2021-02-09 河南科技大学第一附属医院 MRI limb fixing device
AU2021102938A4 (en) * 2021-05-28 2021-07-29 Weilin Li Rectum eccentric type double-cavity airbag

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