CN111714318B

CN111714318B - Operating table for orthopedic surgery

Info

Publication number: CN111714318B
Application number: CN202010453733.6A
Authority: CN
Inventors: 李鑫; 姜贻乾; 程德勇
Original assignee: First Peoples Hospital of Xiaoshan District
Current assignee: First Peoples Hospital of Xiaoshan District
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2022-06-17
Anticipated expiration: 2040-05-26
Also published as: CN111714318A

Abstract

The invention provides an operation bed for orthopedic operation. It has solved current technical problem. This operation bed for orthopedic surgery, a bed body, the bed body include upper limbs seat, low limbs seat, the low limbs seat on be equipped with the knee holder of being made by deformable non-metallic material, the knee holder even have respectively and can drive the knee holder lift actuating mechanism that reciprocates from top to bottom and can drive the swing actuating mechanism of knee holder at the horizontal direction wobbling, upper limbs seat and low limbs seat on be equipped with the aseptic singly of pull formula and lay the subassembly respectively, the low limbs seat on still be equipped with foot locating component, the upper limbs seat on still be equipped with the upper limbs regulation fixing base that can open or fold. The invention has the advantages of good X-ray imaging effect, easy exposure of the operation visual field of the knee and the like.

Description

Operating table for orthopedic surgery

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an operating bed for orthopedic surgery.

Background

With the development of society, the aging of the population of China is increased, more and more orthopedic surgeries are used in the medical field, the complexity of the orthopedic surgeries is increased, most of the existing orthopedic surgeries need to be taken by X-rays, and therefore the requirements on the performance of an orthopedic operating bed during the surgeries are increased.

Most hospital orthopedics is using ordinary operation table or partial perspective operation table, the bed surface is level and smooth, when needs carry out the knee operation, need lift up the knee, and present lifting platform is made for the metal mostly, when X-ray is clapped and is looked the camera in orthopedic operation, seriously influence the imaging effect, the operating time has been prolonged, doctor and patient's ray exposure number of times has been increased, patient's operation risk also can rise in the intangible, and when carrying out the knee operation, the shank can't obtain crooked fixed, it also is difficult to expose the operation field of vision of knee to influence the operation effect.

In order to solve this problem, research and study have been conducted in long-term production and life practices, for example, chinese patent invention discloses an orthopedic operating table [ application No.: 201420511013.0], the utility model discloses a include the bed body, upper limbs mount, pedal and crane, the bed body on be equipped with first recess and second recess, first recess in install the pedal, the pedal pass through the mobilizable fixing at the bed body of connecting rod, the crane install in the second recess, the installation of upper limbs mount install respectively in bed body both sides, be equipped with the sliding plate on the upper limbs mount, the solid fixed ring of elbow and wrist fixing base, the crane include fixed plate, telescopic shaft and backup pad, the upper end of the bed body be equipped with the fixed orifices, install head fixing device in the fixed orifices.

The above solution improves some problems of the prior art to some extent, but it also has at least the following drawbacks: x-ray imaging is poor and it is difficult to expose the surgical field of the knee.

Disclosure of Invention

The invention aims to solve the problems and provides an operating table for orthopedic surgery, which has good X-ray imaging effect and is easy to expose the surgical field of the knee.

In order to achieve the purpose, the invention adopts the following technical scheme: this operation bed for orthopedic surgery, a bed body, the bed body include upper limbs seat, low limbs seat, the low limbs seat on be equipped with the knee holder of being made by deformable non-metallic material, the knee holder even have respectively and can drive the knee holder lift actuating mechanism that reciprocates from top to bottom and can drive the swing actuating mechanism of knee holder at the horizontal direction wobbling, upper limbs seat and low limbs seat on be equipped with the aseptic singly of pull formula and lay the subassembly respectively, the low limbs seat on still be equipped with foot locating component, the upper limbs seat on still be equipped with the upper limbs regulation fixing base that can open or fold. The knee clamping seat on the lower limb seat can be lifted and laterally swung through the lifting driving mechanism and the swinging driving mechanism, during surgery, the back side of the knee is arranged on the knee clamping seat, so that the knee can obtain a better surgical operation position during knee orthopedic surgery and X-ray film shooting, and the knee clamping seat is made of a deformable non-metal material, so that the X-ray imaging quality can be improved, and the bending angle between the upper limb and the lower limb of the leg can be more free compared with a metal material; the sterile bed sheet is in a drawing type, so that the sterile bed sheet is more convenient to lay, and the upper limb adjusting and fixing seat is used for fixing the upper limb of the body during an operation.

In the above operating table for orthopedic surgery, the lower limb base comprises a thigh support fixedly connected with the upper limb base and two shank supports hinged with the thigh support respectively, the bottom side of the thigh support is fixedly connected with the upper limb base through a fixed connecting rod, the shank supports are movably connected with the thigh support through hinged rods, the knee clamp is arranged between the thigh support and the shank support, and the thigh support and the shank support are provided with lifting ports through which the knee clamp penetrates out. The lower leg support is connected to the thigh support by means of a hinge rod, so that it can be opened or closed relative to the thigh support, if necessary, to give the patient a better surgical position, wherein the width of the lifting opening and the height difference with the knee clamp can be designed to be such that the lower leg support does not interfere with the rotation.

In the above operating table for orthopedic surgery, the bottom side of the knee clamping seat is further connected with a deformation base, the bottom side of the deformation base is connected with a hollow swing seat, the lifting driving mechanism comprises a lifting cylinder arranged below the swing seat, a swing rod horizontally arranged is arranged in the swing seat, the swing rod penetrates through the upper end of a cylinder rod of the lifting cylinder, and the swing rod is perpendicular to the cylinder rod of the lifting cylinder. The knee clamping seat is lifted by the lifting cylinder to drive the swinging seat to lift, and the swinging seat is hollow, so that when the swinging driving mechanism drives the swinging seat to horizontally and laterally shift, a certain swinging gap can be reserved in the horizontal direction, and the interference between a cylinder rod of the lifting cylinder and the swinging seat is reduced.

In the above operating table for orthopedic surgery, the swing driving mechanism comprises two swing driving cylinders respectively arranged at two sides of the swing seat, the swing driving cylinders are fixedly connected to the swing driving seat, a cylinder rod of the swing driving cylinder is hinged to a traction seat arranged on the swing seat, and the swing driving cylinders are obliquely arranged. Two swings of swing seat both sides drive the cylinder and drive swing seat left or swing right respectively, when the cylinder pole of driving the cylinder is for stretching out in one of them swing, another then is the shrink, and the amount of stretching out of the cylinder pole that drives the cylinder when two swings is the same then knee holder is the level, and in addition, the swing drives the cylinder slope setting and can be more smooth when the tractive, and the swing seat swing can carry out X-ray when shooing at the knee and provide the shooting angle that more presss from both sides for operation effect and formation of image effect are better.

In foretell operating table for orthopedic surgery, the deformation base include the connecting seat to and set up a plurality of telescopic links between connecting seat and knee holder, the both ends of telescopic link firmly respectively in connecting seat top side and knee holder bottom side, the telescopic link be the matrix and arrange, just the telescopic link on still the cover be equipped with the spring body, telescopic link and spring body make by non-metallic material, the spring body be synthetic plastics compression spring, the knee holder on still be equipped with a plurality of non-slip grooves. The knee is propped against the knee clamping seat, the knee clamping seat is made of a deformable material, when the leg is bent, the radian of the knee clamping seat is simultaneously deformed along with the bending angle, at the moment, the lower part of the knee is completely propped against the knee clamping seat, after the knee clamping seat is deformed, the telescopic rods are compressed along with the knee clamping seat until the cambered surfaces formed by the upper ends of all the telescopic rods after being compressed are the same as the cambered surfaces formed by the knee clamping seat, and the spring body can provide elasticity and support for the knee clamping seat after being deformed; in addition, the anti-slip grooves can increase the friction force between the bottom side of the knee and the knee clamp seat, and prevent slipping.

In foretell operating table for orthopedic surgery, aseptic singly lay the subassembly of pull formula including setting up the aseptic singly holding seat in upper limb seat and/or low limbs seat one side, the opposite side of upper limb seat and/or low limbs seat be equipped with aseptic singly holding seat, aseptic singly holding seat be cavity form and the inboard is equipped with the storage cylinder body that is the cylinder form, the lateral part of aseptic singly holding seat open and to have the bar tractive mouth, aseptic singly holding seat include the centre gripping base and can be on the centre gripping base reciprocating motion from top to bottom and be the locating clip of U-shaped, the both sides of locating clip inlay mutually with the centre gripping base and establish, just centre gripping base and locating clip between be equipped with and to let the locating clip have the push down subassembly of downward motion trend. Aseptic list is rolled up and is established on the storage cylinder body in aseptic list holding seat, when aseptic list is laid to needs, take out aseptic list in the bar tractive mouth, leave the centre gripping clearance between locating clip lower extreme and the centre gripping base upper end here, then put into that end of taking out and carry out the centre gripping between locating clip and the centre gripping base, because the locating clip has the downward motion trend, consequently the expansion end of aseptic list can be cliied, aseptic list holding seat both ends here are for sealing, and can be equipped with the sealing cover on the bar tractive mouth.

In the above operating table for orthopedic surgery, the pressing assembly includes a pressing seat disposed on the positioning clamp, the pressing seat is embedded in a displacement groove disposed on the clamping base, a pressing spring is disposed in the displacement groove, the pressing spring is disposed above the pressing seat, and two ends of the pressing spring respectively act on the pressing seat and the displacement groove; the positioning clamp is also provided with a plurality of friction increasing lugs which are axially distributed at intervals. The jacking seat is abutted by the pressing spring, when the positioning clamp is lifted, the pressing spring is compressed, the sterile sheet is arranged in the clamping gap, then the positioning clamp is loosened, the pressing spring presses the jacking seat downwards, the jacking seat moves downwards axially in the displacement groove, the positioning clamp also moves downwards, and therefore clamping is completed, and the friction increasing lug can increase friction to prevent the sterile sheet from slipping.

In foretell for orthopedic surgery operation bed, the upper limbs adjust the fixing base include by two can open relatively or fold to the backup plate, the backup plate all articulate on articulated seat and be the axial symmetry setting, articulated seat set up on the slide, slide sliding connection in the spout of seting up on the upper limbs seat, slide and spout between still be equipped with return spring. When the arm opens, support and lean on the board and open, two support and lean on the board and support respectively in the inboard and health lateral part of arm, because be equipped with return spring in the spout, consequently the armpit supports and leans on the back on the upper limbs adjusts the fixing base, can withstand the upper limbs.

In foretell operating table for orthopedic surgery, foot locating component include two foot's fixed plates that set up on the lower limb seat, the bottom side of foot's fixed plate swingably articulate on the upper limb seat, the front end of foot's fixed plate be equipped with the fixed band, the rear end of foot's fixed plate be equipped with the supporting seat of making by elastic material, the supporting seat rear end articulate and have adjusting screw, adjusting screw spiro union on the spiro union seat of setting on the lower limb seat. The lower end of the foot fixing plate is hinged with the upper limb seat so as to swing, and the supporting seat is made of elastic materials so that the foot fixing plate can swing more smoothly; even there is adjusting screw supporting seat rear end, tramples on the foot fixed plate and by the fixed back of fixed band when the foot, adjusting screw can realize the rigidity after the foot fixed plate swings, lets the foot obtain fixing, the operation of being convenient for.

In foretell for orthopedic surgery operating table, the lift in be equipped with and be the location boss that U-shaped and up end are less than low limbs seat terminal surface, the lift in still articulated have the swing arm lock that is the U-shaped, the setting of swing arm lock in the top of location boss and can support after the swing and lean on the up end in the location boss, the swing arm lock pass through torsional spring and connect in the lift, just the swing arm lock have orientation location boss swing trend. When laying the aseptic list, aseptic list part is located the mouth of going up and down and probably the perk, and swing arm lock here can carry out the centre gripping to aseptic list edge, and during the centre gripping, aseptic list part is located the location boss, then lets the swing arm lock with aseptic list centre gripping between location boss and swing arm lock.

Compared with the prior art, the operation bed for the orthopedic operation has the advantages that: reasonable in design, during the operation, on the knee holder was established to knee rear frame, can let the knee obtain better operation position when carrying out knee bone surgery and shooting X-ray film to knee holder here is made by deformable non-metallic material and is compared not only can improve X-ray imaging quality in metal material, can also let the angle of buckling between shank upper limbs and the low limbs more freely.

Drawings

FIG. 1 is a schematic diagram of a top view configuration provided by the present invention;

FIG. 2 is a schematic structural view of the other side of the bed provided by the present invention;

FIG. 3 is a schematic view of the swing and lift drive mechanisms and knee clamp provided by the present invention;

FIG. 4 is a schematic view of the knee clamp with another perspective of the swing and lift drive mechanisms of the present invention;

FIG. 5 is a schematic structural view of a pull-type sterile single lay assembly provided by the present invention;

FIG. 6 is a schematic structural view of a clamping base and a positioning clip according to the present invention;

FIG. 7 is an enlarged view at A provided by the present invention;

FIG. 8 is a schematic structural view of a foot positioning assembly provided by the present invention;

FIG. 9 is an enlarged view at B provided by the present invention;

FIG. 10 is a schematic view of the structure within the hoistway provided by the present invention;

in the figure, a bed body 1, an upper limb seat 2, a lower limb seat 3, a knee clamping seat 4, a lifting driving mechanism 5, a swinging driving mechanism 6, a pull-out type sterile single laying component 7, a foot positioning component 8, an upper limb adjusting and fixing seat 9, a thigh support 10, a shank support 11, a fixing connecting rod 12, a hinge rod 13, a lifting port 14, a deformation base 15, a swinging seat 16, a lifting cylinder 17, a swinging rod 18, a swinging driving cylinder 20, a swinging driving seat 21, a traction seat 22, a connecting seat 23, a telescopic rod 24, a spring body 25, an anti-slip groove 26, a sterile single accommodating seat 27, a sterile single clamping seat 28, an accommodating cylinder body 29, a strip-shaped traction port 30, a clamping base 31, a positioning clamp 32, a pressing component 33, a pressing seat 34, a displacement groove 35, a pressing spring 36, a friction increasing lug 37, a abutting plate 38, a hinge seat 39, a sliding seat 40, a sliding groove 41, a return spring 42, a foot fixing plate 43, a knee positioning rod 18, a swinging rod 20, a swinging driving seat, a swinging driving seat, a driving seat, a driving seat, The fixing device comprises a fixing belt 44, a supporting seat 45, an adjusting screw 46, a screw seat 47, a positioning boss 48 and a swing clamping arm 49.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the operating bed for orthopedic surgery comprises a bed body 1, the bed body 1 comprises an upper limb seat 2 and a lower limb seat 3, a knee clamping seat 4 made of deformable non-metallic materials is arranged on the lower limb seat 3, the knee clamping seat 4 is respectively connected with a lifting driving mechanism 5 capable of driving the knee clamping seat 4 to reciprocate up and down and a swinging driving mechanism 6 capable of driving the knee clamping seat 4 to swing in the horizontal direction, a drawing type sterile single laying component 7 is respectively arranged on the upper limb seat 2 and the lower limb seat 3, a foot positioning component 8 is also arranged on the lower limb seat 3, and an upper limb adjusting fixing seat 9 capable of being opened or closed is also arranged on the upper limb seat 2.

The knee clamp seat 4 on the lower limb seat 3 can be lifted and swung laterally by the lifting drive mechanism 5 and the swinging drive mechanism 6, the knee is arranged on the knee clamp seat 4 at the rear side of the knee during operation, the knee can obtain a better operation position during knee orthopedic operation and X-ray film shooting, and the knee clamp seat 4 is made of a deformable non-metal material, so that the X-ray imaging quality can be improved, and the bending angle between the upper limb and the lower limb of the leg can be more free compared with a metal material; the sterile bed sheet adopts a drawing type, so that the sterile bed sheet is more convenient to lay, and the upper limb adjusting and fixing seat 9 is used for fixing the upper limb of the body during an operation.

The lower limb seat 3 comprises a thigh support 10 fixedly connected with the upper limb seat 2 and two shank supports 11 respectively hinged with the thigh support 10, the bottom side of the thigh support 10 is fixedly connected with the upper limb seat 2 through a fixed connecting rod 12, the shank supports 11 are movably connected with the thigh support 10 through hinged rods 13, the knee clamp seat 4 is arranged between the thigh support 10 and the shank supports 11, and the thigh support 10 and the shank supports 11 are provided with lifting ports 14 for the knee clamp seat 4 to penetrate out. The lower leg support 11 is connected to the thigh support 10 by means of a hinge rod 13, so that it can be opened or closed relative to the thigh support 10, and if necessary, the patient can have a better surgical position, preferably, the width of the lifting opening 14 and the height difference between the knee clamp 4 can be dimensioned such that the lower leg support 11 does not interfere with the rotation.

Preferably, the bottom side of the knee clamping seat 4 is further connected with a deformation base 15, the bottom side of the deformation base 15 is connected with a hollow swing seat 16, the lifting driving mechanism 5 comprises a lifting cylinder 17 arranged below the swing seat 16, a swing rod 18 horizontally arranged is arranged in the swing seat 16, the swing rod 18 penetrates through the upper end of a cylinder rod of the lifting cylinder 17, and the swing rod 18 is perpendicular to the cylinder rod of the lifting cylinder 17. The knee clamp 4 is lifted by the lifting cylinder 17 to lift the swing base 16, and the swing base 16 is hollow, so that when the swing driving mechanism 6 drives the swing base 16 to horizontally and laterally shift, a certain swing gap can be formed in the horizontal direction, and interference between a cylinder rod of the lifting cylinder 17 and the swing base 16 is reduced.

The swing driving mechanism 6 comprises two swing driving cylinders 20 respectively arranged at two sides of the swing seat 16, the swing driving cylinders 20 are fixedly connected to a swing driving seat 21, a cylinder rod of each swing driving cylinder 20 is hinged to a traction seat 22 arranged on the swing seat 16, and the swing driving cylinders 20 are obliquely arranged. Two swings of swing seat 16 both sides drive actuating cylinder 20 and drive swing seat 16 and swing left or right respectively, when the cylinder rod of one of them swing actuating cylinder 20 is for stretching out, another then for contracting, when the cylinder rod's of two swings actuating cylinder 20 the extension volume is the same then knee holder 4 is the level, in addition, the slope of swing actuating cylinder 20 sets up can be more smooth when the tractive, swing seat 16 swings and can carry out X-ray when shooing and provide the shooting angle that presss from both sides more at the knee for operation effect and imaging effect are better.

Further, deformation base 15 includes connecting seat 23 to and set up a plurality of telescopic links 24 between connecting seat 23 and knee holder 4, the both ends of telescopic link 24 link firmly respectively in connecting seat 23 top side and 4 bottom sides of knee holder, telescopic link 24 is the matrix and arranges, and still the cover is equipped with spring body 25 on the telescopic link 24, telescopic link 24 and spring body 25 are made by non-metallic material, spring body 25 is synthetic plastics compression spring, still be equipped with a plurality of anti-skidding recesses 26 on the knee holder 4. The knees abut against the knee clamping seats 4, the knee clamping seats 4 are made of deformable materials, when the legs are bent, the radian of the knee clamping seats 4 is simultaneously deformed along with the bending angle, at the moment, the lower parts of the knees completely abut against the knee clamping seats 4, after the knee clamping seats 4 are deformed, the telescopic rods 24 are compressed along with the knee clamping seats, until the arc surfaces formed by the compressed upper ends of all the telescopic rods 24 are the same as the arc surfaces formed by the knee clamping seats 4, and the spring bodies 25 can provide elasticity and support for the restoration of the knee clamping seats 4 after deformation; further, the anti-slip grooves 26 can increase the frictional force between the underside of the knee and the knee holder 4, preventing slipping.

As shown in fig. 5-7, further, the pull-out type aseptic single-laying assembly 7 includes an aseptic single-containing seat 27 disposed on one side of the upper limb seat 2 and/or the lower limb seat 3, an aseptic single-clamping seat 28 disposed on the other side of the upper limb seat 2 and/or the lower limb seat 3, the aseptic single-containing seat 27 is hollow and has a roller-shaped receiving cylinder 29 disposed on the inner side thereof, a strip-shaped drawing opening 30 is disposed on the side portion of the aseptic single-containing seat 27, the aseptic single-clamping seat 28 includes a clamping base 31 and a U-shaped positioning clamp 32 capable of reciprocating up and down on the clamping base 31, two sides of the positioning clamp 32 are embedded in the clamping base 31, and a pressing assembly 33 capable of making the positioning clamp 32 move downward is disposed between the clamping base 31 and the positioning clamp 32.

The sterile sheet is coiled on the containing cylinder 29 in the sterile sheet containing seat 27, when the sterile sheet needs to be laid, the sterile sheet is drawn out from the strip-shaped drawing opening 30, a clamping gap is reserved between the lower end of the positioning clamp 32 and the upper end of the clamping base 31, then the drawn end is placed between the positioning clamp 32 and the clamping base 31 for clamping, the movable end of the sterile sheet can be clamped due to the downward movement tendency of the positioning clamp 32, the two ends of the sterile sheet containing seat 27 are closed, and the strip-shaped drawing opening 30 can be provided with a sealing cover.

The pressing assembly 33 comprises a pressing seat 34 arranged on the positioning clamp 32, the pressing seat 34 is embedded in a displacement groove 35 formed in the clamping base 31, a pressing spring 36 is arranged in the displacement groove 35, the pressing spring 36 is arranged above the pressing seat 34, and two ends of the pressing spring 36 respectively act on the pressing seat 34 and the displacement groove 35; the positioning clip 32 is further provided with a plurality of friction-increasing protrusions 37 which are axially distributed at intervals. The pressing base 34 is abutted by the pressing spring 36, when the positioning clamp 32 is lifted, the pressing spring 36 is compressed, a sterile sheet is placed in the clamping gap, then the positioning clamp 32 is released, the pressing spring 36 presses the pressing base 34 downwards, the pressing base 34 moves axially downwards in the displacement groove 35, the positioning clamp 32 moves downwards at the moment, and therefore clamping is completed, and the friction increasing lug 37 can increase friction to prevent the sterile sheet from slipping.

As shown in fig. 8, the upper limb adjusting and fixing seat 9 includes two abutting plates 38 capable of being opened or closed relatively, the abutting plates 38 are hinged on a hinge seat 39 and are arranged in axial symmetry, the hinge seat 39 is arranged on a sliding seat 40, the sliding seat 40 is connected in a sliding groove 41 formed on the upper limb seat 2 in a sliding manner, and a return spring 42 is further arranged between the sliding seat 40 and the sliding groove 41. When the arm is opened, the abutting plates 38 are opened, the two abutting plates 38 are abutted to the inner side of the arm and the side part of the body respectively, and the return springs 42 are arranged in the sliding grooves 41, so that the armpit can abut against the upper limb after abutting against the upper limb adjusting fixing seat 9, and the upper limb can be abutted.

As shown in fig. 9, the foot positioning assembly 8 includes two foot fixing plates 43 disposed on the lower limb base 3, the bottom sides of the foot fixing plates 43 are swingably hinged on the upper limb base 2, a fixing strap 44 is disposed at the front end of the foot fixing plates 43, a supporting base 45 made of an elastic material is disposed at the rear end of the foot fixing plates 43, an adjusting screw 46 is hinged at the rear end of the supporting base 45, and the adjusting screw 46 is screwed on a screw seat 47 disposed on the lower limb base 3.

The lower end of the foot fixing plate 43 is hinged with the upper limb seat 2 so as to swing, and the supporting seat 45 is made of elastic materials so that the foot fixing plate 43 can swing more smoothly; even there is adjusting screw 46 supporting seat 45 rear end, steps on foot fixed plate 43 and by fixed band 44 fixed back when the foot, adjusting screw 46 can realize the fixed position behind the swing of foot fixed plate 43, lets the foot obtain fixing, the operation of being convenient for.

As shown in fig. 10, in addition, a positioning boss 48 which is U-shaped and the upper end surface of which is lower than the end surface of the lower limb seat is arranged in the lifting port 14, a swing clamping arm 49 which is U-shaped is hinged in the lifting port 14, the swing clamping arm 49 is arranged above the positioning boss 48 and can be abutted against the upper end surface of the positioning boss 48 after swinging, the swing clamping arm 49 is connected in the lifting port 14 through a torsion spring, and the swing clamping arm 49 has a swinging trend towards the positioning boss 48. When the sterile sheet is laid, the sterile sheet part is positioned in the lifting port 14 and can be tilted, the swing clamp arm 49 can clamp the sterile sheet edge, when the sterile sheet part is clamped, the sterile sheet part is positioned on the positioning boss 48, and then the swing clamp arm 49 clamps the sterile sheet between the positioning boss 48 and the swing clamp arm 49.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the bed body 1, the upper limb seat 2, the lower limb seat 3, the knee clamping seat 4, the lifting driving mechanism 5, the swing driving mechanism 6, the pull-out sterile single-laying component 7, the foot positioning component 8, the upper limb adjusting fixing seat 9, the thigh support 10, the shank support 11, the fixing connecting rod 12, the hinge rod 13, the lifting port 14, the deformation base 15, the swing seat 16, the lifting cylinder 17, the swing rod 18, the swing driving cylinder 20, the swing driving seat 21, the traction seat 22, the connecting seat 23, the telescopic rod 24, the spring body 25, the anti-slip groove 26, the sterile single-holding seat 27, the sterile single-clamping seat 28, the containing cylinder 29, the strip-shaped traction port 30, the clamping base 31, the positioning clamp 32, the pressing component 33, the pressing seat 34, the displacement groove 35, the pressing spring 36, the friction-increasing lug 37, the abutting plate 38, the hinge seat 39, the sliding seat 40, the sliding groove 41, the return spring 42, the sliding seat 16, the upper limb seat 2, the lower limb seat 3, the upper limb seat 3, the knee clamping seat 4, the lower limb seat 11, the swing rod 13, the swing rod 14, the swing port 14, the deformation seat, the swing seat 16, the swing seat, and the swing seat, foot fixing plate 43, fixing strap 44, support seat 45, adjusting screw 46, screw seat 47, positioning boss 48, swing clamp arm 49, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. An operating bed for orthopedic surgery comprises a bed body (1) and is characterized in that the bed body (1) comprises an upper limb seat (2) and a lower limb seat (3), the lower limb seat (3) is provided with a knee clamping seat (4) made of deformable non-metallic materials, the knee clamping seat (4) is respectively connected with a lifting driving mechanism (5) capable of driving the knee clamping seat (4) to reciprocate up and down and a swinging driving mechanism (6) capable of driving the knee clamping seat (4) to swing in the horizontal direction, the upper limb seat (2) and the lower limb seat (3) are respectively provided with a drawing type sterile single-laying assembly (7), the lower limb seat (3) is also provided with a foot positioning assembly (8), and the upper limb seat (2) is also provided with an upper limb adjusting fixing seat (9) capable of opening or closing;

the lower limb seat (3) comprises a thigh support (10) fixedly connected with the upper limb seat (2) and two shank supports (11) respectively hinged with the thigh support (10), the bottom side of the thigh support (10) is fixedly connected with the upper limb seat (2) through a fixed connecting rod (12), the shank supports (11) are movably connected with the thigh support (10) through a hinged rod (13), the knee clamp seat (4) is arranged between the thigh support (10) and the shank supports (11), and the thigh support (10) and the shank supports (11) are provided with lifting ports (14) for the knee clamp seat (4) to penetrate through;

the knee clamping seat (4) is also connected with a deformation base (15) at the bottom side, the deformation base (15) is connected with a hollow swing seat (16) at the bottom side, the lifting driving mechanism (5) comprises a lifting cylinder (17) arranged below the swing seat (16), a swing rod (18) horizontally arranged is arranged in the swing seat (16), the swing rod (18) penetrates through the upper end of a cylinder rod of the lifting cylinder (17), and the swing rod (18) is vertical to the cylinder rod of the lifting cylinder (17);

the swing driving mechanism (6) comprises two swing driving cylinders (20) which are respectively arranged on two sides of a swing seat (16), the swing driving cylinders (20) are fixedly connected to a swing driving seat (21), a cylinder rod of each swing driving cylinder (20) is hinged to a traction seat (22) arranged on the swing seat (16), and the swing driving cylinders (20) are obliquely arranged.

2. Operating table for orthopedic surgery according to claim 1, characterized in that deformation base (15) include connecting seat (23) to and set up a plurality of telescopic links (24) between connecting seat (23) and knee holder (4), the both ends of telescopic link (24) link firmly respectively in connecting seat (23) top side and knee holder (4) bottom side, telescopic link (24) be the matrix and arrange, just telescopic link (24) on still overlap and be equipped with and play spring body (25), telescopic link (24) and play spring body (25) make by non-metallic material, play spring body (25) for synthetic plastics compression spring, knee holder (4) on still be equipped with a plurality of anti-skidding recesses (26).

3. The operating table for orthopedic surgery according to claim 1, characterized in that the pull-out type sterile single-laying assembly (7) comprises a sterile single-containing seat (27) arranged at one side of the upper limb seat (2) and/or the lower limb seat (3), a sterile single-clamping seat (28) is arranged at the other side of the upper limb seat (2) and/or the lower limb seat (3), the sterile single-containing seat (27) is hollow and provided with a roller-shaped receiving cylinder (29) at the inner side, the side of the sterile single-containing seat (27) is provided with a strip-shaped pulling opening (30), the sterile single-clamping seat (28) comprises a clamping base (31) and a positioning clamp (32) which can reciprocate up and down on the clamping base (31) and is U-shaped, two sides of the positioning clamp (32) are embedded with the clamping base (31), and the downward movement tendency of the positioning clamp (32) is arranged between the clamping base (31) and the positioning clamp (32) The pressing assembly (33).

4. Operating table for orthopedic surgery according to claim 3, characterized in that the hold-down assembly (33) comprises a hold-down seat (34) disposed on the positioning clamp (32), the hold-down seat (34) is embedded in a displacement groove (35) formed on the clamping base (31), a hold-down spring (36) is disposed in the displacement groove (35), the hold-down spring (36) is disposed above the hold-down seat (34), and two ends of the hold-down spring (36) respectively act on the hold-down seat (34) and the displacement groove (35); the positioning clamp (32) is also provided with a plurality of friction increasing lugs (37) which are axially distributed at intervals.

5. Operating table for orthopaedic operations according to claim 1, characterized in that the upper limb adjustment holder (9) comprises two abutment plates (38) that can be opened or closed relatively, the abutment plates (38) are both hinged to a hinge base (39) and are arranged in axial symmetry, the hinge base (39) is arranged on a slide base (40), the slide base (40) is connected in a sliding slot (41) provided on the upper limb base (2) in a sliding manner, and a return spring (42) is further arranged between the slide base (40) and the sliding slot (41).

6. Operating table for orthopedic surgery according to claim 1, characterized in that the foot positioning assembly (8) comprises two foot fixing plates (43) arranged on the lower limb seat (3), the bottom sides of the foot fixing plates (43) are pivotally hinged on the upper limb seat (2), the front ends of the foot fixing plates (43) are provided with fixing belts (44), the rear ends of the foot fixing plates (43) are provided with supporting seats (45) made of elastic material, the rear ends of the supporting seats (45) are hinged with adjusting screws (46), and the adjusting screws (46) are screwed on screw seats (47) arranged on the lower limb seat (3).

7. Operating table for orthopaedic surgery according to claim 1, characterized in that the lifting mouth (14) in be equipped with be the U-shaped and the up end be less than the location boss (48) of low limbs seat terminal surface, lifting mouth (14) in still articulated have swing arm lock (49) that are the U-shaped, swing arm lock (49) set up in the top of location boss (48) and can support and lean on the up end in location boss (48) after the swing, swing arm lock (49) through the torsional spring connect in lifting mouth (14), just swing arm lock (49) have towards location boss (48) swing trend.