Limb fixing and protecting device for surgical operation

By designing a limb fixing and protection device including supporting base plate, moving roller, supporting base tube, extended pole, fixed top block and bundling strap, the problem of lack of adjustment and incomplete protection of traditional fixing devices is solved, stable fixing and comfortable protection of the limb is achieved, operation is simplified and surgical efficiency is improved.

CN119970268AInactive Publication Date: 2025-05-13ZHEJIANG COLLEGE OF ZHEJIANG UNIV OF TECHOLOGY
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Patent Information

Application Number
CN202510310187.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2025-05-13
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The limb fixation devices used in traditional surgical procedures lack regulation, resulting in unstable fixation, incomplete protection, and complex operation, which affects the progress of the surgery.

Method used

A limb fixing and protection device including supporting base plate, moving roller, supporting base tube, extended vertical rod, fixed top block and binding strap is designed. Through the wheel structure and adjustable mechanical device, stable fixing and comfortable protection of the limb are achieved.

Benefits of technology

The device is easy to carry and move through the wheel structure, and uses adjustable mechanical devices to achieve stable fixation and comfortable protection of the limbs, simplifying operation and improving surgical efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a limb fixing and protecting device for surgical operation, and relates to the field of surgical operation, the limb fixing and protecting device comprises a supporting bottom plate, the bottom surface of the supporting bottom plate is in bolted connection with moving rollers, the top surface of the supporting bottom plate is in vertical upward butt joint with a supporting bottom pipe, and the top end of the supporting bottom pipe is vertically inserted with an extending vertical rod; a fixed top block is in butt joint with the top end of the extending vertical rod, side overturning grooves are symmetrically formed in the two side edges of the fixed top block, a blocking plate is connected to one side edge of the fixed top block in a clamped mode, a shifting plate block is in butt joint with the side edge, away from the blocking plate, of the fixed top block, and extending rod bodies are horizontally inserted into the inner side edges of the side overturning grooves. A clamping sliding groove is horizontally formed in the side edge of the extending rod body. The device is simple in design structure and easy and convenient to operate, an adjustable structure is adopted so that the device can be used in various environments and requirements, meanwhile, binding type fixing is adopted so that the device can be more comfortable, and limb protectiveness is better.
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Description

Technical Field

[0001] The invention relates to the technical field of surgical operations, in particular to a limb fixing and protecting device for surgical operations. Background Art

[0002] Surgery is abbreviated as operation, commonly known as opening the surgery, which refers to the process of entering the human body or other biological tissues through surgical equipment or surgical instruments, operated by surgeons or other professionals, and removing lesions, changing structures or implanting foreign objects by external force. The patient's body position during surgery should be easy to operate and tolerated by the patient. Most surgeries are performed in the supine position. Others include prone position (such as spine and anal surgery), side position (such as some thoracotomy surgery), sitting position (such as tonsillectomy), lithotomy position (suitable for surgery on the anus, perineum, vagina, etc.), Trendelenburg position (supine position with head down, head low and feet high, small intestine, greater omentum, etc. moved to the upper abdomen, suitable for surgery on pelvic organs), etc.

[0003] When fixing limbs during surgery, traditionally, fixed brackets are used for support, which are not adjustable or have a single adjustment direction and are subject to certain limitations, which is not conducive to the fixation effect of the surgery. At the same time, the snap-on fixation makes the protection of the limbs insufficient, resulting in uncomfortable fixation, which is not suitable for current surgical operations. During the operation, multiple people or multiple hands are required to complete the adjustment, which makes the operation complicated and greatly affects the progress of the operation. Summary of the invention

[0004] The purpose of the present invention is to provide a limb fixation and protection device for surgical operations to solve the problem proposed in the above background technology that the traditional one uses a fixed bracket for support, has no adjustability or has a relatively single adjustment direction and is subject to certain limitations, which is not conducive to the fixation effect of the operation. At the same time, the snap-on fixation when fixing the limb makes the protection of the limb not comprehensive enough, resulting in uncomfortable fixation, which is not suitable for current surgical operations. During operation, multiple people or multiple hands are required to complete the adjustment, which makes the operation complicated and greatly affects the progress of the operation.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A limb fixing and protecting device for surgical operation comprises a supporting base plate, the bottom surface of the supporting base plate is bolted with a moving roller, the top surface of the supporting base plate is vertically connected with a supporting base tube, the top end of the supporting base tube is vertically plugged with an extension pole, the top end of the extension pole is connected with a fixed top block, the two sides of the fixed top block are symmetrically provided with side turning grooves, one side of the fixed top block is clamped with a blocking plate, the fixed top block is connected with a toggle plate on a side away from the blocking plate, the inner side of the side turning groove is horizontally plugged with an extension rod body, and the side of the extension rod body is horizontally provided with a A clamping slide, a winding wheel is arranged on the inner side of the clamping slide, a clamping block is clamped on the inner side of the clamping slide, a positioning clamping shaft is horizontally inserted on the side of the clamping block, a stretching rope is wound around the outer side of the winding wheel, a binding belt is fixedly arranged on one end of the stretching rope, a fixing screw hole is arranged on the top surface of the support bottom plate, a connecting screw is welded vertically downwardly on the bottom surface of the support bottom tube and the fixed top block, an adjusting vertical groove is symmetrically arranged on the inner side of the support bottom tube, a rotating groove is arranged on the inner side of the support bottom tube, a clamping groove is arranged on one end of the rotating groove, and the bottom end of the extension pole A blocking disc is welded horizontally, and a clamping protrusion is welded horizontally on the outer side of the blocking disc. A top screw hole is provided on the top of the extending vertical rod, and a flip through groove is symmetrically provided on the inner side of the side flip groove. A rotating disc is clamped on the inner side of the flip through groove. An extrusion disc is docked on one side of the rotating disc, and a limited side groove is horizontally provided on one side of the flip through groove. A sleeve through hole is horizontally provided on the side of the fixed top block, and an adjusting screw is inserted on the inner side of the sleeve through hole. A limiting rod is horizontally welded on one side of the extrusion disc, and a screw is provided at the center of the side of the rotating disc. There is a sleeve-jointed middle hole, and both sides of the rotating disc are evenly provided with clamping racks, and the inner side of the clamping slide groove is symmetrically provided with limiting grooves, and the top and bottom surfaces of the clamping matrix block are symmetrically welded with limiting blocks, and the inner sides of the two clamping matrix blocks are horizontally provided with sleeve end grooves, and the inner sides of the sleeve end grooves are horizontally clamped with movable clamping blocks, and the inner sides of the sleeve end grooves are fixedly clamped with top springs, and the inner sides of the sleeve end grooves are fixedly clamped with fixed clamping blocks, and the sides of the clamping matrix blocks are provided with through holes, and the sides of the clamping matrix blocks are connected with rocking rods, and one end of the rocking rod is horizontally welded with an insertion rod.

[0007] As a preferred embodiment of the present invention: there are multiple movable rollers, and the multiple movable rollers are respectively fixed on the bottom surface of the supporting base plate near the edge, the sides of the multiple movable rollers are provided with brake structures, and the bottom end of the supporting bottom tube is vertically downwardly docked at the top opening end of the fixing screw hole.

[0008] As a preferred embodiment of the present invention: the side flip grooves are symmetrically arranged on both side edges of the fixed top block away from one end of the extended vertical rod, and the top and bottom ends of the side flip grooves both penetrate the top and bottom surfaces of the fixed top block and extend to the outer side edge positions, and the center position of one side edge of the blocking plate is welded to the end of the adjusting screw away from the toggle plate.

[0009] As a preferred embodiment of the present invention: the side center position of the toggle plate is welded to one end position of the adjusting screw, one end of the extension rod body is horizontally welded to the outer side position of the rotating disk, and there are two extension rod bodies, the snap-in slide is horizontally opened at the side center line position of the extension rod body, and the snap-in slide is opened in a through-type, a groove is horizontally opened on the top surface of the extension rod body, and the groove and the snap-in slide are arranged in a cross shape with each other, and the groove and the inside of the snap-in slide are kept in communication.

[0010] As a preferred embodiment of the present invention: the winding wheel is vertically clamped inside the top surface groove of the extension rod body, the positioning clamp shaft is fixedly inserted in the center positions of both side edges of the winding wheel, one end of the stretching rope is fixedly clamped at the outer edge position of the winding wheel, and the other end passes through the bottom surface groove of the extension rod body and extends to the outer edge position.

[0011] As a preferred embodiment of the present invention: the binding belt is set up with a Velcro binding structure, the fixing screw hole is vertically opened at the center position of the top surface of the supporting base plate, the bottom end connecting screw of the supporting bottom tube is inserted into the inner side edge of the fixing screw hole and is fixedly connected by threads, and the bottom surface of the fixed top block is fixed near one side edge where the connecting screw is inserted into the inner side edge of the top screw hole and is fixedly connected by threads.

[0012] As a preferred embodiment of the present invention: the adjusting vertical slot is vertically arranged, and the rotating slots are horizontally arranged on the side positions of the adjusting vertical slots, the locking slots are arranged at one end of the rotating slots away from the adjusting vertical slots, and the three are connected to each other, the locking protrusions are symmetrically locked on the inner side positions of the locking slots, the flip through slots are through-type and are arranged on the inner side positions of the side flipping slots, and there are two rotating discs, and the two rotating discs are toothed on the sides of each other.

[0013] As a preferred embodiment of the present invention: a side edge of the extrusion disc is toothed with a side edge of the rotating disc, a limiting side groove is horizontally opened at a side edge position close to the extrusion disc, the sleeve through hole and the interior of the limiting side groove are connected, the adjusting screw is horizontally inserted into the inner side edge position of the sleeve middle hole, the limiting rod is horizontally inserted into the inner side edge position of the limiting side groove, and the limiting side grooves of the limiting rod are both polygonal, and the limiting rod is threadedly sleeved on the outer side edge position of the adjusting screw.

[0014] As a preferred embodiment of the present invention: the limiting block is correspondingly snap-connected at the inner side of the limiting groove, one end of the top spring is docked at one end of the movable block, one side of the fixed block and one side of the movable block are toothed with each other, the insertion hole horizontally penetrates the side holes of the fixed block and the movable block to maintain a connection, and the insertion rod horizontally penetrates the insertion hole and extends to the inside of a hole on one side of the movable block.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention makes transportation and movement more convenient through the wheel structure. After the extension vertical rod is rotated, the engaging protrusion is rotated to the inside of the adjusting vertical slot. Then, the extension vertical rod is stretched to a specified height and then rotated so that the engaging protrusion is engaged with the inside of the positioning slot along the rotating slot and stabilized. Then, the extension rod body is flipped so that the rotating disc rotates on the inner side of the flipping slot. After the extension rod bodies are flipped relative to each other to present a required angle, the toggle plate is rotated so that the adjusting screw is rotated, so that the limit rod drives the extruding disc to extrude the rotating disc. Under the mutual tooth connection of the engaging racks, the rotating disc can be stabilized at the inner side of the flipping slot, so that the extension rod body is fixed at the specified angle.

[0017] 2. After the binding belt is tied to the patient's limb, the rod at one end of the rocking rod is inserted into the hole at one end of the movable clamping block, and it is squeezed to squeeze and contract the top spring, so that the movable clamping block is separated from the fixed clamping block. The rocking rod is rotated to rotate the positioning clamping shaft to drive the winding wheel to rotate together, so that the stretch rope is wound or extended, and the binding belt is fixed at a specified height to fix the limb. The device has a simple design structure and is easy to operate. The adjustable structure makes it suitable for use in a variety of environments and needs. At the same time, the binding type fixation makes it more comfortable and better protects the limbs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a limb fixation and protection device for surgical operation;

[0020] Figure 2 A schematic structural diagram of the cross-sectional connection details of a support base plate of a limb fixation and protection device for surgical operations;

[0021] Figure 3 It is a structural schematic diagram of the front view cross-section connection details of a support bottom tube of a limb fixation and protection device for surgical operations;

[0022] Figure 4 A schematic diagram of the structure of a limb fixation and protection device for surgical operations, showing the connection details of an extended vertical pole viewed from above;

[0023] Figure 5 It is a structural schematic diagram of the side view cross-sectional connection details of a fixed top block of a limb fixation and protection device for surgical operations;

[0024] Figure 6 It is a structural schematic diagram showing front view connection details of a rotating disc of a limb fixation and protection device for surgical operation;

[0025] Figure 7 A schematic structural diagram of a side view cross-sectional connection detail of a reel wheel of a limb fixation and protection device for surgical operations;

[0026] Figure 8 The present invention is a structural schematic diagram of the connection details of a rocker rod of a limb fixation and protection device for surgical operations.

[0027] In the figure: 1, supporting bottom plate; 2, moving roller; 3, supporting bottom tube; 4, extending vertical pole; 5, fixing top block; 6, side flip groove; 7, blocking plate; 8, toggle plate; 9, extending rod body; 10, clamping slide groove; 11, winding wheel; 12, clamping moment block; 13, positioning clamping shaft; 14, stretching rope; 15, binding belt; 16, fixing screw hole; 17, connecting screw; 18, adjusting vertical groove; 19, rotating groove; 20, clamping groove; 21, blocking circle 1. Plate; 22. Snap-fit ​​convex block; 23. Top screw hole; 24. Flip through slot; 25. Rotating disc; 26. Extruding disc; 27. Limiting side slot; 28. Sleeve through hole; 29. ​​Adjusting screw; 30. Limiting rod; 31. Sleeve middle hole; 32. Snap-fit ​​rack; 33. Limiting slot; 34. Limiting block; 35. Sleeve end slot; 36. Movable clamping block; 37. Top spring; 38. Fixed clamping block; 39. Inserting hole; 40. Rocking rod; 41. Inserting rod. DETAILED DESCRIPTION

[0028] See also Figure 1-2In an embodiment of the present invention, a limb fixing and protecting device for surgical operation includes a supporting base plate 1, a movable roller 2 is bolted to the bottom surface of the supporting base plate 1, a supporting base tube 3 is vertically connected to the top surface of the supporting base plate 1, and a plurality of movable rollers 2 are fixedly arranged on the bottom surface of the supporting base plate 1 near the edge, and a brake structure is arranged on the sides of the plurality of movable rollers 2. The bottom end of the supporting base tube 3 is vertically connected to the top opening end of the fixing screw hole 16, and an extension pole 4 is vertically inserted at the top of the supporting base tube 3, and a fixed top block 5 is connected to the top of the extending pole 4. Side flip grooves 6 are symmetrically opened on both sides, and a blocking plate 7 is clamped on one side of the fixed top block 5. The side flip grooves 6 are symmetrically opened at one end of the two sides of the fixed top block 5 away from the extension vertical rod 4, and the top and bottom ends of the side flip grooves 6 penetrate the top and bottom surfaces of the fixed top block 5 and extend to the outer side. The center position of one side of the blocking plate 7 is welded to the end position of the adjusting screw 29 away from the toggle plate 8. The fixed top block 5 is connected to the toggle plate 8 on the side away from the blocking plate 7. The inner side of the side flip groove 6 is horizontally inserted with an extension rod body 9, and the side of the extension rod body 9 is horizontally opened with a clamping slide groove 10. The side center of the toggle plate 8 The position is welded at one end of the adjusting screw 29, one end of the extension rod body 9 is horizontally welded at the outer side of the rotating disk 25, and the number of the extension rod bodies 9 is two, the clamping slide 10 is horizontally opened at the side center line of the extension rod body 9, and the clamping slide 10 is opened through, the top surface of the extension rod body 9 is horizontally opened with a groove, and the groove and the clamping slide 10 are arranged in a cross shape with each other, and the groove and the inside of the clamping slide 10 are connected, and the inner side of the clamping slide 10 is provided with a winding wheel 11, and the inner side of the clamping slide 10 is clamped with a clamping square block 12, and the side of the clamping square block 12 is horizontally inserted with a positioning The clamping shaft 13, the outer side of the winding wheel 11 is wound with a stretching rope 14, the winding wheel 11 is vertically clamped inside the top surface groove of the extension rod body 9, the positioning clamping shaft 13 is fixedly inserted in the center position of the two side edges of the winding wheel 11, one end of the stretching rope 14 is fixedly clamped at the outer side of the winding wheel 11, and the other end passes through the bottom surface groove of the extension rod body 9 and extends to the outer side. One end of the stretching rope 14 is fixedly provided with a binding belt 15, and the top surface of the support base plate 1 is provided with a fixing screw hole 16. The binding belt 15 is provided with a Velcro binding structure, and the fixing screw hole 16 is vertically opened at the center position of the top surface of the support base plate 1;

[0029] See also Figure 3-5In an embodiment of the present invention, a limb fixing and protecting device for surgical operation is provided, wherein a connecting screw 17 is welded vertically downwardly on the bottom surface of a supporting bottom tube 3 and a fixed top block 5, the bottom end connecting screw 17 of the supporting bottom tube 3 is inserted into the inner side edge of a fixing screw hole 16 and is fixedly connected by a thread, the bottom surface of the fixed top block 5 is fixedly arranged near one side edge where the connecting screw 17 is inserted into the inner side edge of a top screw hole 23 and is fixedly connected by a thread, the inner side edge of the supporting bottom tube 3 is symmetrically provided with an adjusting vertical groove 18, the inner side edge of the supporting bottom tube 3 is provided with a rotating groove 19, and the rotating groove 1 9 is provided with a positioning groove 20, a blocking disc 21 is horizontally welded at the bottom end of the extension pole 4, a clamping protrusion 22 is horizontally welded at the outer side of the blocking disc 21, a top screw hole 23 is provided at the top of the extension pole 4, a flip groove 24 is symmetrically provided at the inner side of the side flip groove 6, a rotating disc 25 is clamped at the inner side of the flip groove 24, the adjustment vertical groove 18 is vertically arranged, and the rotating grooves 19 are horizontally arranged at the side positions of the adjustment vertical groove 18, the positioning groove 20 is provided at one end of the rotating groove 19 away from the adjustment vertical groove 18, and the three are mutually The locking protrusion 22 is symmetrically locked at the inner side of the locking groove 20, the flip groove 24 is through-type and is set at the inner side of the side flip groove 6, and the number of rotating discs 25 is two, and the two rotating discs 25 are set at the side teeth of each other, and one side of the rotating disc 25 is connected with the extrusion disc 26, and one side of the flip groove 24 is horizontally provided with a limited side groove 27, and the side of the fixed top block 5 is horizontally provided with a sleeve through hole 28, and the inner side of the sleeve through hole 28 is inserted with an adjusting screw 29, and the extrusion disc 26 is connected with the inner side of the sleeve through hole 28. A limiting rod 30 is horizontally welded on one side, a side edge of the extruding disc 26 is toothed with a side edge of the rotating disc 25, a limiting side groove 27 is horizontally opened at a side edge position close to the extruding disc 26, a sleeve through hole 28 is connected to the inside of the limiting side groove 27, an adjusting screw 29 is horizontally inserted into the inner side edge position of the sleeve middle hole 31, a limiting rod 30 is horizontally inserted into the inner side edge position of the limiting side groove 27, and both the limiting rod 30 and the limiting side groove 27 are polygonal, and the limiting rod 30 is threadedly sleeved at the outer side edge position of the adjusting screw 29;

[0030] See also Figure 6-8In an embodiment of the present invention, a limb fixing and protecting device for surgical operation is provided, wherein a sleeve middle hole 31 is provided at the center position of the side of a rotating disc 25, and clamping racks 32 are evenly arranged on both sides of the rotating disc 25, and limiting grooves 33 are symmetrically provided on the inner side of the clamping slide groove 10, and limiting blocks 34 are symmetrically welded on the top and bottom surfaces of the clamping square blocks 12, and sleeve end grooves 35 are horizontally provided on the inner sides of the two clamping square blocks 12, and movable clamping blocks 36 are horizontally clamped on the inner sides of the sleeve end grooves 35, and a top spring 37 is fixedly clamped on the inner side of the sleeve end groove 35, and a fixed clamping block 36 is fixedly clamped on the inner side of the sleeve end groove 35. The clamping block 38 and the side of the clamping block 12 are provided with an insertion hole 39, the side of the clamping block 12 is connected with a rocking rod 40, and one end of the rocking rod 40 is horizontally welded with an insertion rod 41, the limiting block 34 is correspondingly connected to the inner side position of the limiting groove 33, one end of the top spring 37 is connected to one end of the movable clamping block 36, one side of the fixed clamping block 38 and one side of the movable clamping block 36 are gear-connected with each other, the insertion hole 39 horizontally penetrates the fixed clamping block 38 and the side hole of the movable clamping block 36 to maintain a connection setting, and the insertion rod 41 horizontally penetrates the insertion hole 39 and extends to the inside of a hole on one side of the movable clamping block 36.

[0031] The components are all common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0032] The working principle of the present invention is:

[0033] Under the rolling of the moving roller 2, the supporting base plate 1 moves to the specified position and stops. After the extension pole 4 is rotated, the engaging protrusion 22 is rotated to the inside of the adjusting vertical groove 18. Then, the extension pole 4 is stretched to the specified height and then rotated so that the engaging protrusion 22 is engaged with the inside of the positioning groove 20 along the rotating groove 19 and stabilized. Then, the extension rod body 9 is flipped so that the rotating disc 25 rotates on the inner side of the flipping groove 24. After the extension rod bodies 9 are flipped to present the required angle, the toggle plate 8 is rotated so that the adjusting screw 29 is rotated, so that the limit rod 30 drives the extruding disc 26 to squeeze the rotating disc 25. 2, the rotating disc 25 can be stabilized at the inner side of the flip groove 24 under the mutual toothing action of the rotating disc 25, so that the extension rod body 9 is fixed at a specified angle. After the binding belt 15 is tied to the patient's limb position, the insertion rod 41 at one end of the rocking rod 40 is inserted into the hole at one end of the movable block 36, and it is squeezed to squeeze and contract the top spring 37, so that the movable block 36 is away from the fixed block 38, and the rocking rod 40 is rotated to make the rotation of the positioning card shaft 13 drive the winding wheel 11 to rotate together, so that the stretch rope 14 is wound or extended, and the binding belt 15 is fixed at a specified height position to complete the fixing of the limb.

[0034] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A limb fixation and protection device for surgical operation, comprising a support base plate (1), characterized in that: The bottom surface of the support bottom plate (1) is bolted with a movable roller (2); the top surface of the support bottom plate (1) is vertically connected to a support bottom tube (3); the top of the support bottom tube (3) is vertically inserted with an extension pole (4); the top of the extension pole (4) is connected to a fixed top block (5); the two sides of the fixed top block (5) are symmetrically provided with side turning grooves (6); one side of the fixed top block (5) is clamped with a blocking plate (7); the fixed top block (5) is connected with a toggle plate (8) on the side away from the blocking plate (7); the inner side of the side turning groove (6) is horizontally inserted with an extension rod body (9); the side of the extension rod body (9) is horizontally provided with a clamping slide groove (10); the inner side of the clamping slide groove (10) is provided with a clamping groove (10). A winding wheel (11) is arranged on the side, a clamping block (12) is clamped on the inner side of the clamping slide groove (10), a positioning clamping shaft (13) is horizontally inserted on the side of the clamping block (12), a stretching rope (14) is wound around the outer side of the winding wheel (11), one end of the stretching rope (14) is fixedly provided with a binding belt (15), a fixing screw hole (16) is arranged on the top surface of the supporting bottom plate (1), a connecting screw (17) is vertically welded downwardly on the bottom surface of the supporting bottom tube (3) and the fixed top block (5), an adjusting vertical groove (18) is symmetrically arranged on the inner side of the supporting bottom tube (3), a rotating groove (19) is arranged on the inner side of the supporting bottom tube (3), and a clamping groove (20) is arranged at one end of the rotating groove (19). ), a blocking disc (21) is horizontally welded at the bottom end of the extension pole (4), a clamping protrusion (22) is horizontally welded at the outer side of the blocking disc (21), a top screw hole (23) is provided at the top end of the extension pole (4), a turning groove (24) is symmetrically provided at the inner side of the side turning groove (6), a rotating disc (25) is clamped at the inner side of the turning groove (24), a pressing disc (26) is butt-jointed at one side of the rotating disc (25), a limiting side groove (27) is horizontally provided at one side of the turning groove (24), a sleeve through hole (28) is horizontally provided at the side of the fixed top block (5), an adjusting screw (29) is inserted at the inner side of the sleeve through hole (28), the pressing disc ( A limiting rod (30) is horizontally welded on one side of the rotating disc (26), a sleeve-jointed middle hole (31) is provided at the center position of the side of the rotating disc (25), and clamping racks (32) are evenly arranged on both sides of the rotating disc (25), and limiting grooves (33) are symmetrically provided on the inner side of the clamping slide groove (10), and limiting blocks (34) are symmetrically welded on the top and bottom surfaces of the clamping matrix block (12), and sleeve-jointed end grooves (35) are horizontally provided on the inner sides of the two clamping matrix blocks (12), and movable clamping blocks (36) are horizontally clamped on the inner sides of the sleeve-jointed end grooves (35), and a top spring (37) is fixedly clamped on the inner side of the sleeve-jointed end groove (35), and a fixed clamping block (38) is fixedly clamped on the inner side of the sleeve-jointed end groove (35).The side of the clamping block (12) is provided with an insertion hole (39), the side of the clamping block (12) is butted with a rocking rod (40), and one end of the rocking rod (40) is horizontally welded with an insertion rod (41).

2. A limb fixation and protection device for surgical operation according to claim 1, characterized in that: There are multiple movable rollers (2), and the multiple movable rollers (2) are respectively fixedly arranged on the bottom surface of the supporting base plate (1) near the edge, and the sides of the multiple movable rollers (2) are all provided with brake structures, and the bottom end of the supporting bottom tube (3) is vertically downwardly connected to the top open end of the fixing screw hole (16).

3. A limb fixation and protection device for surgical operation according to claim 1, characterized in that: The side flip grooves (6) are symmetrically arranged at two side edges of the fixed top block (5) away from one end of the extension pole (4), and the top and bottom ends of the side flip grooves (6) penetrate the top surface and the bottom surface of the fixed top block (5) and extend to the outer side edge position, and the center position of one side edge of the blocking plate (7) is welded to the end position of the adjusting screw rod (29) away from the toggle plate (8).

4. A limb fixation and protection device for surgical operation according to claim 1, characterized in that: The center position of the side of the toggle plate (8) is welded to one end of the adjusting screw (29), one end of the extension rod body (9) is horizontally welded to the outer side of the rotating disc (25), and the number of the extension rod bodies (9) is two, the clamping slide groove (10) is horizontally opened at the side center line position of the extension rod body (9), and the clamping slide groove (10) is opened in a through-type, the top surface of the extension rod body (9) is horizontally opened with a groove, and the groove and the clamping slide groove (10) are arranged in a cross shape with each other, and the groove and the inside of the clamping slide groove (10) are kept in a connected arrangement.

5. The limb fixation and protection device for surgical operation according to claim 1, characterized in that: The winding wheel (11) is vertically clamped inside the top surface groove of the extension rod body (9), and the positioning clamping shaft (13) is fixedly inserted at the center positions of the two side edges of the winding wheel (11), and one end of the stretching rope (14) is fixedly clamped at the outer side edge position of the winding wheel (11), and the other end passes through the bottom surface groove of the extension rod body (9) and extends to the outer side edge position.

6. A limb fixation and protection device for surgical operation according to claim 1, characterized in that: The binding belt (15) is arranged with a Velcro binding structure, the fixing screw hole (16) is vertically opened at the center position of the top surface of the supporting bottom plate (1), the bottom end connecting screw rod (17) of the supporting bottom tube (3) is inserted into the inner side edge of the fixing screw hole (16) and is fixedly connected by threads, and the bottom surface of the fixed top block (5) is fixedly arranged near one side edge on the inner side edge of the connecting screw rod (17) inserted into the top screw hole (23) and is fixedly connected by threads.

7. A limb fixation and protection device for surgical operation according to claim 1, characterized in that: The adjusting vertical slot (18) is arranged vertically, and the rotating slots (19) are arranged horizontally at the side positions of the adjusting vertical slot (18). The locking slot (20) is arranged at one end of the rotating slot (19) away from the adjusting vertical slot (18), and the three are connected to each other. The locking protrusions (22) are symmetrically locked at the inner side positions of the locking slots (20). The turning through slots (24) are arranged in a through-type at the inner side positions of the side turning slots (6). There are two rotating discs (25), and the two rotating discs (25) are arranged with side teeth connected to each other.

8. The limb fixation and protection device for surgical operation according to claim 1, characterized in that: A side edge of the extruding disc (26) is toothedly connected with a side edge of the rotating disc (25); a limiting side groove (27) is horizontally opened at a side edge position close to the extruding disc (26); a sleeve through hole (28) and the inside of the limiting side groove (27) are connected; an adjusting screw rod (29) is horizontally inserted into the inner side edge position of the sleeve middle hole (31); a limiting rod (30) is horizontally inserted into the inner side edge position of the limiting side groove (27); and the limiting rod (30) and the limiting side groove (27) are both polygonally arranged; and the limiting rod (30) is threadedly sleeved at the outer side edge position of the adjusting screw rod (29).

9. The limb fixation and protection device for surgical operation according to claim 1, characterized in that: The limiting block (34) is correspondingly engaged with the inner side of the limiting groove (33); one end of the top spring (37) is butted against one end of the movable block (36); one side of the fixed block (38) and one side of the movable block (36) are gear-engaged with each other; the insertion hole (39) horizontally penetrates the side holes of the fixed block (38) and the movable block (36) to maintain a continuous connection; the insertion rod (41) horizontally penetrates the insertion hole (39) and extends to the inside of a hole on one side of the movable block (36).