CN110755210A

CN110755210A - Orthopedics fixing device that resets

Info

Publication number: CN110755210A
Application number: CN201911081716.8A
Authority: CN
Inventors: 李刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-02-07

Abstract

An orthopedic reset fixing device comprises a rotatable driving screw, wherein a structure that a bottom plate and a lying plate synchronously move outwards, folding legs open outwards simultaneously and two guard plates turn upwards simultaneously is formed when the driving screw rotates in a single direction; the surface of the lying plate is provided with a plurality of fixing holes, the fixing holes are internally provided with connecting devices, and the upper sides of the connecting devices are provided with fixing devices; the device is divided into a stretcher state and a transfer trolley state, the state of the device can be changed by rotating the driving screw rod, and the operation is simple and convenient; and the grip block has the function of auto-lock, not only can use at the person of facilitating the use, can also carry out abundant fixed to patient's fracture position to fixing device can dismantle, and the person of facilitating the use uses and carries.

Description

Orthopedics fixing device that resets

Technical Field

The invention relates to the field of medical equipment, in particular to an orthopedic reduction fixing device.

Background

The patient who often meets upper and lower limbs fracture in hospital's orthopedics treatment room, because along with the rapid development of social economy, traffic and building trade etc. have all obtained quick promotion simultaneously, the accident that comes with at the same time is also very frequent, lead to the patient of health fracture also very much, to the patient that upper and lower limbs fracture especially the lower limbs fracture can't walk, the hospital is usually with the patient lift the stretcher earlier the back to the transfer car, the condition of meeting accident very easily in the in-process of transporting leads to the patient of fracture to take place the secondary damage, and current fracture fixing device is special trouble when the fixed patient's upper and lower limbs, can't be timely carry out effectual fixed with patient's fracture department, also very difficult dismantlement simultaneously, for medical personnel's nursing work has increased very big burden.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an orthopedic reduction fixing device, which effectively solves the problems that a fracture patient is easily subjected to secondary damage caused by an unexpected condition in the process of transferring the patient in a hospital, and the existing fracture fixing device is particularly troublesome in fixing the upper limb and the lower limb of the patient, cannot effectively fix the fracture part of the patient in time, is not easy to disassemble and increases great burden for nursing work of medical staff.

In order to solve the problems, the invention adopts the technical scheme that:

an orthopedic reset fixing device comprises a bottom plate, wherein a rotatable driving screw is installed on the upper side of the bottom plate, a creeper capable of moving up and down is installed on the upper side of the driving screw, reversible guard plates are hinged to the left side and the right side of the creeper, folding legs are hinged to four corners of the bottom surface of the bottom plate, when the driving screw rotates in a single direction, a structure that the bottom plate and the creeper move outwards synchronously, the folding legs open outwards simultaneously and the two guard plates overturn upwards simultaneously is formed, and when the driving screw rotates in a reverse direction, a structure that the bottom plate and the creeper move inwards synchronously, the folding legs retract inwards simultaneously and the two guard plates overturn downwards simultaneously is formed; the surface of the lying plate is provided with a plurality of fixing holes, connecting devices are arranged in the fixing holes, and fixing devices are arranged on the upper sides of the connecting devices;

fixing device is including the mounting bracket, two sets of first arc fixed plate and the second arc fixed plate that can open and fold are installed to the left and right sides of mounting bracket upper end, every group first arc fixed plate with all install between the second arc fixed plate two can to first arc fixed plate with the center motion of second arc fixed plate has self-locking function's grip block.

Preferably, two sections of threads with opposite rotation directions are arranged on the front side and the rear side of the surface of the driving screw rod, the front side and the rear side of the surface of the driving screw rod are both connected with driven plates through threads, the left end and the right end of each driven plate are hinged with a first supporting rod and a second supporting rod, the other ends of the first supporting rods are both inclined downwards and hinged with the surface of the bottom plate, and the other ends of the second supporting rods are both upwards hinged with the bottom surface of the lying plate; the left side and the right side of the bottom surface of the driven plate are respectively hinged with a push rod, the other end of each push rod inclines downwards and is hinged with a sliding rod, the sliding rods are connected with the surface of the bottom plate in a sliding mode, the bottom ends of the sliding rods penetrate through the bottom plate, and the bottom ends of the sliding rods are connected with the inner side surfaces of the folding legs in a sliding mode.

Preferably, the bottom surface center department of service creeper rotates and is connected with the drive disk, both ends all articulate there is first linkage rod, two about the drive disk bottom surface the other end of first linkage rod all extends to both sides around respectively and all articulates there is lower driven plate, two the coaxial rigid coupling in upper end of lower driven plate has rotatable last driven plate, it all rotates to connect to go up the driven plate and is in the service creeper bottom surface, two it all articulates to go up the bottom surface left and right sides of driven plate has the arc push rod, the other end of arc push rod all articulates there is the head rod, the equal sliding connection of head rod is in the service creeper bottom surface, the other end of head rod all articulates there is first arc pole, the other end of first arc pole all articulates there is the second arc pole, the other end of second arc pole all with backplate fixed connection.

Preferably, the driven plate is arranged on the front side of the driving screw rod, an output rack is fixedly connected to the left side of the upper end of the driven plate, a rotatable first gear is arranged on the upper side of the output rack, the output rack moves to be meshed with the first gear to form a first gear rotating structure, a worm is fixedly connected to the right center of the first gear, a worm wheel is meshed to the rear end of the right side of the surface of the worm, and the worm wheel is fixedly connected to the bottom surface of the driving disc.

Preferably, the connecting device comprises an elastic annular fixing pad, the inner side surface of the elastic annular fixing pad is fixedly connected with a plurality of supporting plates, a first screw rod is arranged at the inner side center position of the elastic annular fixing pad, the surface of the first screw rod is connected with a fixing knob capable of controlling the movement of the supporting plates through threads, a structure that the supporting plates are simultaneously unfolded outwards is formed when the fixing knob rotates in a single direction, and a structure that the supporting plates are simultaneously folded inwards is formed when the fixing knob rotates in a reverse direction;

the utility model discloses a supporting plate, including fixed knob, go up the surperficial downside of fixed knob and be connected with the go-between through the bearing, the surface of go-between all articulates there is a plurality of first articulated levers, the other end of first articulated lever all downwardly extending articulates the inboard surface downside of fagging, the bottom fixedly connected with base of first screw rod, the surface of base all articulates there is a plurality of second articulated levers, the other end of second articulated lever all tilt up with the fagging is articulated, first articulated lever with the central point of second articulated lever puts each other articulatedly.

Preferably, every group first arc fixed plate with second arc fixed plate is total two and every first arc fixed plate with second arc fixed plate installs respectively both sides, every around the mounting bracket upper end fixedly connected with connecting plate between first arc fixed plate with the second arc fixed plate, every the equal fixedly connected with self-lock device in the outside of connecting plate, the outside of first arc fixed plate all rotates and is connected with trapezoidal mounting panel, trapezoidal mounting panel all through the screw connection the upper end inboard surface of mounting bracket, every adjacent first arc fixed plate with the lower extreme of second arc fixed plate is articulated.

Preferably, the upper side and the lower side of the outer side surface of each first arc-shaped fixing plate and the second arc-shaped fixing plate are fixedly connected with a slide rail box, a lower pressing plate is slidably connected between each two slide rail boxes which are opposite in the front-back direction, and the lower pressing plates are hinged with the clamping plates;

every group between first arc fixed plate and the second arc fixed plate the holding down plate is total two, two the hand push board that can drive the holding down plate and remove is all installed in the outside of holding down plate, the rectangular channel has all been seted up on the outside surface of hand push board, self-lock device's upper end all sets up in the rectangular channel.

Preferably, the self-locking device comprises a mounting box, second ratchet plates are slidably connected to two sides inside the mounting box, first ratchet plates are engaged with the upper ends of the second ratchet plates, and the first ratchet plates are fixedly connected to the inner wall of the rectangular groove; a rotatable main push shaft is arranged in the mounting box, and when the main push shaft rotates, a structure that the two second ratchet plates synchronously move outwards and inwards is formed;

the installation box is characterized in that the bottom end inside the installation box is fixedly connected with a chute barrel, an inclined chute is formed in the inner wall of the chute barrel, an auxiliary sliding block is fixedly connected to the lower side of the surface of the main push shaft and is in sliding connection with the inclined chute, a second supporting spring is arranged in the chute barrel, and the upper end and the lower end of the second supporting spring are fixedly connected with the lower end of the main push shaft and the bottom end inside the inclined chute respectively.

Preferably, the center of the inner side edge of the upper end of the first arc-shaped fixing plate is provided with an insertion groove, the inner walls of the front side and the rear side of the insertion groove are provided with fixed shaft mounting grooves, the fixed shaft mounting groove at the front side of the insertion groove is provided with a large mounting groove, and the large mounting groove is internally provided with a reset spring;

the outer side of the upper end of the first arc-shaped fixing plate is provided with a handle, the inner side of the handle is fixedly connected with a fixing shaft, the fixing shaft is connected in a fixing shaft mounting groove in a sliding mode, a baffle is fixedly connected to the surface of the fixing shaft in the large mounting groove, and two ends of a reset spring are fixedly connected to the surface of the baffle and the inner wall of the large mounting groove.

The invention has novel structure, ingenious conception and simple and convenient operation, and compared with the prior art, the invention has the following advantages:

1. the device is divided into a stretcher state and a transfer trolley state, the state of the device can be changed by rotating the driving screw rod, and the operation is simple and convenient; when the device is converted into the stretcher state, the patient can be moved onto the stretcher, and then the device can be converted into the state of a transfer trolley from the stretcher state by rotating the active screw rod, so that various uncertainties in the process that the patient is lifted to the stretcher and then moved to the transfer trolley in the existing hospital are avoided, the safety of the patient during transfer is improved, and the patient can be conveniently transferred by medical staff;

2. move the fracture position that can fix the patient through the centre gripping board simultaneously to first arc fixed plate and second arc fixed plate, easy operation opens easily moreover to the grip gripping board has the function of auto-lock, not only can use at the person of facilitating the use, can also carry out abundant fixed to patient's fracture position, and fixing device can dismantle, and the person of facilitating the use uses and carries.

Drawings

Fig. 1 is a schematic overall structure diagram of an orthopedic reduction fixation device according to the present invention.

Fig. 2 is a schematic view of a fixing hole structure of the orthopedic reduction fixing device of the invention.

Fig. 3 is a schematic structural view of the upper end of the bottom plate of the orthopedic reduction fixing device of the invention.

Fig. 4 is a schematic perspective view of the orthopedic reduction fixation device of the present invention, which causes the lying plate and the bottom plate to perform synchronous movement.

Fig. 5 is a schematic plan view of the orthopedic reduction fixation device of the present invention, which causes the lying plate and the bottom plate to perform synchronous motion.

Fig. 6 is a schematic view of a folding leg structure of the orthopedic reduction fixation device of the present invention.

Fig. 7 is a schematic structural view of the orthopedic reduction fixation device of the present invention, which causes the guard plates to turn over synchronously.

Fig. 8 is a schematic structural view of the bottom surface of the orthopedic reduction fixation device of the present invention causing the guard plates to turn over synchronously.

Fig. 9 is a schematic view of the connection structure of the first linkage rod and the lower driven plate of the reduction fixation device for orthopedics department of the invention.

Fig. 10 is a schematic view of the connection structure of the annular push rod and the upper driven plate of the reduction fixing device for orthopedics department.

Fig. 11 is a first structural view of a connecting device of the orthopedic reduction fixation device of the present invention.

Fig. 12 is a second structural diagram of a connecting device of the orthopedic reduction fixation device of the present invention.

Fig. 13 is a schematic structural view of the connection device and the fixation device of the orthopedic reduction fixation device of the present invention.

Fig. 14 is a schematic view of an open configuration of a fixation device of an orthopedic reduction fixation device of the present invention.

Fig. 15 is a schematic structural view of a trapezoidal mounting plate of the orthopedic reduction fixation device of the present invention.

Fig. 16 is a schematic view of the connection structure of the lower pressing plate and the slide rail box of the reduction fixing device for orthopedics department.

Fig. 17 is a schematic view of a connecting plate, a hand pushing plate and a self-locking device of the orthopedic reduction fixing device of the invention.

Fig. 18 is a schematic view of a connection structure of the first ratchet plate and the rectangular groove of the reduction fixation device for orthopedics department of the invention.

Fig. 19 is a schematic sectional view of the internal structure of the mounting box of the reduction fixation device for orthopedics department of the invention.

Fig. 20 is a plan view of the internal structure of the mounting box of the reduction fixation device for orthopedics department of the invention.

Fig. 21 is an exploded view of the connection structure of the chute tube, the second supporting spring and the main thrust shaft of the reduction fixation device for orthopedics department of the invention.

Fig. 22 is a first schematic view of the connection relationship between the first arc-shaped fixing plate and the second arc-shaped fixing plate of the reduction fixing device for orthopedics department of the invention.

Fig. 23 is a second schematic view of the connection relationship between the first arc-shaped fixing plate and the second arc-shaped fixing plate of the reduction fixing device for orthopedics department of the invention.

Reference numbers in the figures: 1-bottom plate, 2-first supporting rod, 3-second supporting rod, 4-push rod, 5-slide rod, 6-folding leg, 7-foot brake universal wheel, 8-first sliding chute, 9-first sliding block, 10-second sliding block, 11-second sliding chute, 12-driven plate, 13-driving screw, 14-output rack, 15-first gear, 16-worm, 17-worm wheel, 18-driving disk, 19-first connecting rod, 20-upper driven disk, 21-lower driven disk, 22-arc push rod, 23-first connecting rod, 24-first arc rod, 25-second arc rod, 26-protective plate, 27-fixing hole, 28-elastic annular fixing pad, 29-supporting plate, 30-base, 31-a first hinged rod, 32-a second hinged rod, 33-a connecting ring, 34-a fixed knob, 35-a first screw rod, 36-a mounting rack, 37-a trapezoidal mounting plate, 38-a first arc-shaped fixing plate, 39-a second arc-shaped fixing plate, 40-an insertion groove, 41-a fixing shaft mounting groove, 42-a fixing shaft, 43-a baffle plate, 44-a reset spring, 45-a handle, 46-a clamping plate, 47-a connecting support plate, 48-a pin column, 49-a third slide block, 50-a spring shaft, 51-a first support spring, 52-a slide rail box, 53-a connecting plate, 54-a hand push plate, 55-a key-shaped slide groove, 56-a first ratchet plate, 57-a mounting box, 58-a second ratchet plate, 59-a main push shaft, 60-pressing plate, 61-sliding ring, 62-third hinge rod, 63-semi-cylindrical chute, 64-chute cylinder, 65-chute, 66-second supporting spring, 67-auxiliary slide block, 68-lying plate, 69-handle, 70-fourth hinge rod and 71-pressing plate.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-23, the present invention provides an orthopedic reduction fixation device, which comprises a base plate 1, wherein a rotatable driving screw 13 is installed on the upper side of the base plate 1, a lying plate 68 capable of moving up and down is installed on the upper side of the driving screw 13, reversible guard plates 26 are hinged on both left and right sides of the lying plate 68, folding legs 6 are hinged on four corners of the bottom surface of the base plate 1, when the driving screw 13 rotates in a single direction, a structure is formed in which the base plate 1 and the lying plate 68 synchronously move to the outside, the folding legs 6 simultaneously open to the outside, and two guard plates 26 simultaneously turn upwards, and when the driving screw 13 rotates in a reverse direction, a structure is formed in which the base plate 1 and the lying plate 68 synchronously move to the inside, the folding legs 6 simultaneously retract to the inside, and two guard plates; the surface of the lying plate 68 is provided with a plurality of fixing holes 27, the fixing holes 27 are internally provided with connecting devices, and the upper sides of the connecting devices are provided with fixing devices;

fixing device is including mounting bracket 36, two sets of first arc fixed plate 38 and the second arc fixed plate 39 that can open and fold are installed to the left and right sides of mounting bracket 36 upper end, every group first arc fixed plate 38 with all install between the second arc fixed plate 39 two can to first arc fixed plate 38 with the centre motion of second arc fixed plate 39 has self-locking function's grip block 46.

The left side and the right side of the front end surface and the rear end surface of the lying plate 68 are fixedly connected with handles for assisting a user to lift the device, the front end of the active screw 13 is fixedly connected with a handle 69 for assisting the user to rotate the active screw 13, the device is divided into a stretcher state and a transfer trolley state, the state of the device can be changed by rotating the active screw 13, the device is simple and convenient, and when the device is changed into the stretcher state, a patient can be moved onto the stretcher, and then the device can be changed from the stretcher state into the transfer trolley state by rotating the active screw 13, so that various uncertainties generated in the process that the patient is lifted onto the stretcher and then moved onto the transfer trolley in the hospital are avoided, the safety of the patient during transfer is improved, and the transfer of the patient by medical staff is facilitated; in the first drawing, which shows the transfer trolley in a semi-folded state, converted to a stretcher state, the driving screw 13 is further rotated to completely fold the present invention into the stretcher state, and the guard 26 is used to prevent a patient lying on the lying plate 68 from falling into the ground; the connecting device is used for connecting the lying plate 68 and the fixing device, the fixing holes 27 are used for installing the connecting device, the fixing device can be connected with different fixing holes 27 through the connecting device to change the position of the fixing device, the affected part of a patient can be conveniently fixed, the fixing device is used for fixing the fracture part of the patient, the fracture part of the patient can be placed between the first arc-shaped fixing plate 38 and the second arc-shaped fixing plate 39 when the fixing device is used, the fracture part of the patient can be fixed by moving the clamping plate 46 to the centers of the first arc-shaped fixing plate 38 and the second arc-shaped fixing plate 39 simultaneously, the clamping plate 46 has a self-locking function, the fixing device can be used by a user conveniently, the fracture part of the patient can be fully fixed, the fixing device can be detached, and the fixing device is convenient; the equal fixedly connected with gag lever post in bottom plate 1's four corners, spacing hole has been seted up with the corresponding position of gag lever post in the bottom surface four corners of service creeper 68, the gag lever post all upwards extends and the top fixedly connected with second baffle of gag lever post through spacing hole for prevent that the service creeper breaks away from the gag lever post when upwards, the gag lever post is used for guaranteeing that service creeper 68 and bottom plate 1 remain parallel throughout when removing, prevent to lead to the position of bottom plate 1 and service creeper 68 to take place to warp when inadvertently spurting initiative screw rod 13.

Two sections of threads with opposite rotation directions are arranged on the front side and the rear side of the surface of the driving screw 13, the front side and the rear side of the surface of the driving screw 13 are both connected with driven plates 12 through threads, the left end and the right end of each driven plate 12 are hinged with a first supporting rod 2 and a second supporting rod 3, the other ends of the first supporting rods 2 are both inclined downwards and hinged with the surface of the bottom plate 1, and the other ends of the second supporting rods 3 are both upwards hinged with the bottom surface of the lying plate 68; the left side and the right side of the bottom surface of the driven plate 12 are respectively hinged with a push rod 4, the other end of each push rod 4 inclines downwards and is hinged with a sliding rod 5, each sliding rod 5 is connected with the surface of the bottom plate 1 in a sliding mode, the bottom end of each sliding rod 5 penetrates through the bottom plate 1, and the bottom end of each sliding rod 5 is connected with the inner side surface of each folding leg 6 in a sliding mode.

The two states of the device can be changed by rotating the driving screw 13, when the driving screw 13 is rotated, because the two threads at the two ends of the surface of the driving screw 13 are opposite, the driving screw 13 can be kept stable under the condition that the two opposite threads simultaneously act when the driving screw 13 rotates, the driven plates 12 in threaded connection with the two threads at the two ends of the surface of the driving screw 13 can synchronously move along the opposite directions by the rotation of the driving screw 13, as shown in the fourth and fifth figures, when the two driven plates 12 simultaneously move to the two sides, the included angle between the first supporting rod 2 and the second supporting rod 3 is increased, the bottom plate 1 and the lying plate 68 are supported to the upper side and the lower side by the first supporting rod 2 and the second supporting rod 3, the pushing rod 4 pushes the sliding rod 5 to slide to the two sides while the bottom plate 1 and the lying plate 68 are expanded, and the folding legs 6 are opened by the sliding rod 5, the stretcher is changed to a transfer trolley; as shown in fig. four and fig. six, a first slider 9 is fixedly connected to the middle position of the sliding rod 5, a first chute 8 is formed in the surface of the bottom plate 1 and is in sliding connection with the first slider 9, and is also used for assisting the sliding rod 5 to move, a second slider 10 is hinged to the bottom end of the sliding rod 5, second chutes 11 are formed in the inner side surfaces of the folding legs 6, and the second sliders 10 are all in sliding connection with the second chutes 11 and are used for assisting the sliding rod 5 to move inside the folding legs 6 to support the folding legs 6; the bottom end of the folding leg 6 is fixedly connected with a foot brake universal wheel 7 for assisting the device to move.

The center of the bottom surface of the lying plate 68 is rotatably connected with a driving disc 18, the left and right ends of the bottom surface of the driving disc 18 are respectively hinged with a first linkage rod 19, the other ends of the two first linkage rods 19 respectively extend towards the front and the rear sides and are respectively hinged with a lower driven disc 21, the upper ends of the two lower driven discs 21 are coaxially and fixedly connected with a rotatable upper driven disc 20, the upper driven discs 20 are rotatably connected with the bottom surface of the lying plate 68, the left side and the right side of the bottom surfaces of the two upper driven discs 20 are respectively hinged with an arc-shaped push rod 22, the other ends of the arc push rods 22 are hinged with first connecting rods 23, the first connecting rods 23 are connected with the bottom surface of the lying plate 68 in a sliding way, the other end of the first connecting rod 23 is hinged with a first arc rod 24, the other end of the first arc rod 24 is hinged with a second arc rod 25, and the other end of the second arc rod 25 is fixedly connected with the guard plate 26.

The driving mechanism is characterized in that an output rack 14 is fixedly connected to the left side of the upper end of the driven plate 12 on the front side of the driving screw 13, a rotatable first gear 15 is arranged on the upper side of the output rack 14, when the output rack 14 moves to be meshed with the first gear 15, a structure for rotating the first gear 15 is formed, a worm 16 is fixedly connected to the right center of the first gear 15, a worm wheel 17 is meshed at the rear end of the right side of the surface of the worm 16, and the worm wheel 17 is fixedly connected to the bottom surface of the driving disc 18.

When the device is in a stretcher shape, the protection plate 26 is in a downward overturning state, when the device is converted into a transfer vehicle state, the device is in an upward overturning state, in order to enable the protection plate 26 to synchronously overturn under the conversion of the stretcher and the transfer vehicle of the device, the driven plate 12 can be meshed with the first gear 15 through the output rack 14 to enable the first gear 15 to rotate when moving, the worm 16 synchronously rotates when the first gear 15 rotates, two ends of the worm 16 are connected with bearing bases through bearings, the bearing bases are fixedly connected to the bottom surface of the lying plate 68 and used for supporting the worm 16 to rotate, and the driving disc 18 is driven to rotate through the meshing of the worm 16 and the worm wheel 17; as shown in fig. seven, fig. eight, fig. nine and fig. ten, when the driving disk 18 rotates, the lower driven disk 21 can be driven to rotate by the first linking rod 19, the upper driven disk 20 rotates with the lower driven disk 21, when the upper driven disk 20 rotates, the first linking rod can be driven to move by the arc-shaped push rod 22, and the guard plate 26 is driven to turn upwards by the linking action of the first linking rod and the first arc-shaped rod 24 and the hinging action of the first arc-shaped rod 24 and the second arc-shaped rod 25.

The connecting device comprises an elastic annular fixing pad 28, a plurality of supporting plates 29 are fixedly connected to the inner side surface of the elastic annular fixing pad 28, a first screw 35 is arranged at the inner side center position of the elastic annular fixing pad 28, the surface of the first screw 35 is connected with a fixing knob 34 capable of controlling the movement of the supporting plates 29 through threads, a structure that the supporting plates 29 are simultaneously unfolded outwards when the fixing knob 34 rotates in a single direction is formed, and a structure that the supporting plates 29 are simultaneously folded inwards when the fixing knob 34 rotates in a reverse direction is formed;

the fixed knob 34 is connected with a connecting ring 33 through a bearing on the lower side of the surface, the connecting ring 33 is hinged with a plurality of first hinged rods 31 on the surface, the other ends of the first hinged rods 31 extend downwards and are hinged on the lower side of the inner side surface of the supporting plate 29, the bottom end of the first screw 35 is fixedly connected with the base 30, the surface of the base 30 is hinged with a plurality of second hinged rods 32, the other ends of the second hinged rods 32 incline upwards and are hinged with the supporting plate 29, and the center positions of the first hinged rods 31 and the second hinged rods 32 are hinged with each other.

The elastic annular fixing pad 28 is used for contacting with the inner wall of the fixing hole 27 and fixing under the action of the friction force of the elastic annular fixing pad 28 and the fixing hole 27, the elastic annular fixing pad 28 can be made of medical rubber, the deformability and the friction force are strong, and the connecting device can be fixed in the fixing hole 27 more firmly by itself, as shown in the twelfth figure, in order to open the supporting plate 29 outwards by rotating the fixing knob 34, the first hinge rod 31 and the second hinge rod 32 can form a scissor type telescopic structure, the fixing knob 34 is in threaded connection with the first screw rod 35, the fixing knob 34 drives the supporting plate 29 to open outwards and move inwards by the first hinge rod 31 and the second hinge rod 32 when moving up and down on the surface of the first screw rod 35 by rotating the fixing knob 34, and then the elastic annular fixing pad 28 is expanded outwards to extrude the elastic annular fixing pad 28 for fixing by the supporting plate 29, not only convenient connecting device's installation, still convenient dismantlement, fixed knob 34's periphery is seted up a plurality of archs for the supplementary user rotates fixed knob 34.

Every group first arc fixed plate 38 with second arc fixed plate 39 is total two and every first arc fixed plate 38 with second arc fixed plate 39 is installed respectively both sides, every around the mounting bracket 36 upper end fixedly connected with connecting plate 53 between first arc fixed plate 38 with the second arc fixed plate 39, every the equal fixedly connected with self-lock device in outside of connecting plate 53, the outside of first arc fixed plate 38 is all rotated and is connected with trapezoidal mounting panel 37, trapezoidal mounting panel 37 all through the screw connection in the upper end inside surface of mounting bracket 36, every adjacent first arc fixed plate 38 with the lower extreme of second arc fixed plate 39 is articulated.

The upper side and the lower side of the outer side surface of each first arc-shaped fixing plate 38 and the second arc-shaped fixing plate 39 are fixedly connected with a slide rail box 52, a lower pressing plate 71 is slidably connected between each two slide rail boxes 52 which are opposite in the front-back direction, and the lower pressing plates 71 are hinged with the clamping plates 46;

every group between first arc fixed plate 38 and the second arc fixed plate 39 the holding down plate 71 is total two, two the hand push plate 54 that can drive holding down plate 71 and remove is all installed to the outside of holding down plate 71, the rectangular channel has all been seted up on the outside surface of hand push plate 54, self-lock device's upper end all sets up in the rectangular channel.

As shown in fig. sixteenth and seventeenth, the first arc-shaped fixing plate 38 and the second arc-shaped fixing plate 39 are connected through the connecting plate 53 to make the first arc-shaped fixing plate 38 and the second arc-shaped fixing plate 39 more stable, the inner side of the slide rail box 52 is provided with a third sliding slot, the third sliding slot is internally and slidably connected with a pad sliding block, two ends of the lower pressing plate 71 are hinged with the third sliding block 49, two sides of the bottom end of the lower pressing plate 71 are fixedly connected with connecting support plates 47, the connecting support plates 47 are hinged with the upper end of the clamping plate 46, so that the clamping plate 46 can be better attached to the affected part of the patient, the clamping plate 46 can more stably and firmly fix the affected part of the patient, the center of the upper end of the third sliding block 49 is provided with a through hole downwards, a spring shaft 50 is slidably connected in the through hole, a first support spring 51 is sleeved on the lower side of the surface of the spring shaft 50, the upper and lower ends of, the first supporting spring 51 is used for pushing the clamping plate 46 outwards when a patient does not need to fix the clamping plate 46 or needs to temporarily detach the device, the self-locking device is not needed to fix the clamping plate 46, the clamping plate 46 can be pushed outwards to facilitate the separation of the clamping plate 46 from an affected part of the patient, the hand pushing plate 54 is used for pushing the lower pressing plate 71 to move, the lower pressing plate 71 is used for pushing the clamping plate 46 to move, the hand pushing plate 54 has a main output function, the self-locking device is mainly matched with the hand pushing plate 54, so that the clamping plate 46 has a self-locking function when clamping and fixing the fractured part of the patient, the clamping plate 46 cannot move outwards under the propping force of the affected part of the patient, the clamping plate 46 is fixed more firmly, and the clamping plate 46 is convenient to separate from the affected part of; equal fixedly connected with round pin 48 in outside surface center department of holding down plate 71, key shape spout 55 has been seted up to both sides sentence about the outside surface of hand push plate 54, key shape spout 55 and round pin 48 sliding connection, the upper end of round pin 48 is provided with first baffle 43 and is used for preventing hand push plate 54 from breaking away from holding down plate 71, the upper and lower both ends of hand push plate 54 can change with the position of being connected of holding down plate 71 when pushing hand push plate 54, key shape spout 55 is used for providing the space for round pin 48, mounting bracket 36 can be dismantled, be used for making things convenient for the patient to carry fixing device alone, through lift off the screw alright break away from mounting bracket 36 and trapezoidal mounting panel 37, the patient alright carry fixing device alone.

The self-locking device comprises a mounting box 57, two sides of the interior of the mounting box 57 are slidably connected with second ratchet plates 58, the upper ends of the second ratchet plates 58 are respectively engaged with first ratchet plates 56, and the first ratchet plates 56 are respectively fixedly connected to the inner wall of the rectangular groove; a rotatable main pushing shaft 59 is installed inside the mounting box 57, and when the main pushing shaft 59 rotates, a structure that the two second ratchet plates 58 synchronously move outwards and inwards is formed;

the inner bottom end of the mounting box 57 is fixedly connected with a chute tube 64, an inclined chute 65 is formed in the inner wall of the chute tube 64, an auxiliary slider 67 is fixedly connected to the lower side of the surface of the main pushing shaft 59 and the auxiliary slider 67 is in sliding connection with the inclined chute 65, a second supporting spring 66 is arranged in the chute tube 64, and the upper end and the lower end of the second supporting spring 66 are fixedly connected with the lower end of the main pushing shaft 59 and the inner bottom end of the inclined chute 65 respectively.

The upper end and the lower end of the left side and the right side of the second ratchet plate 58 are fixedly connected with small sliding blocks, the inner wall of the mounting box 57 is provided with small sliding grooves which are in sliding connection with the small sliding blocks and are used for assisting the second ratchet plate 58 to move, in order to enable the first ratchet plate 56 to continuously push the second ratchet plate 58 backwards to be meshed with the second ratchet plate 58 when the hand push plate 54 moves inwards, and simultaneously to enable the main push shaft 59 to drive the two second ratchet plates 58 to move inwards when rotating, as shown in nineteen and twenty, both sides of the surface of the main push shaft 59 are provided with semi-cylindrical sliding grooves 63, both sides of the surface of the main push shaft 59 are provided with sliding rings 61 which can move up and down in a sliding connection manner, the inner side of the sliding rings 61 is provided with bulges which are in sliding connection with the semi-cylindrical sliding grooves 63, so as to meet the requirement that the sliding rings 61 can be adjusted to rotate together when the main push shaft 59 rotates when the main push shaft 59 slides up and down on the surface of the, both sides of the surface of the sliding ring 61 are hinged with fourth hinge rods 70, the upper ends of the fourth hinge rods 70 are inclined upwards and hinged with third hinge rods 62, the third hinge rods 62 are hinged with the second ratchet plate 58, as shown in nineteenth, the first hinge rod 31 and the fourth hinge rod 70 are hinged in a manner different from the third hinge rod 62 and the fourth hinge rod 70 are hinged to the sliding ring 61 and the second ratchet plate 58, respectively, after the third hinge rod 62 and the fourth hinge rod 70 are hinged to the sliding ring 61 and the second ratchet plate 58, respectively, the third hinge rod 62 and the fourth hinge rod 70 can be turned over up and down on the surface of the sliding ring 61 and the second ratchet plate 58, respectively, after the third hinge rod 62 and the fourth hinge rod 70 are hinged to the sliding ring 61 and the second ratchet plate 58, respectively, and the hinge connection between the third hinge rod 62 and the fourth hinge rod 70 can realize that the third hinge rod 62 and the fourth hinge rod 70 can swing left and right;

in order to realize that the driving shaft can rotate when pushed downwards, as shown in twenty-one, the edge of the bottom end of the driving shaft is fixedly connected with an auxiliary sliding block 67, the auxiliary sliding block 67 is slidably connected in the inclined sliding groove 65, the upper end of the main pushing shaft 59 is rotatably connected with a pressing plate 60, after the pressing plate 60 is pressed, the main pushing shaft 59 rotates along with the sliding of the auxiliary sliding block 67 at the bottom end in the inclined sliding groove 65, and can drive the two second ratchet plates 58 to move inwards, and the second supporting spring 66 is used for pushing the main pushing shaft 59 to move upwards to reset the second ratchet plates 58.

An insertion groove 40 is formed in the center of the inner side edge of the upper end of the first arc-shaped fixing plate 38, fixed shaft installation grooves 41 are formed in the inner walls of the front side and the rear side of the insertion groove 40, large installation grooves are formed in the fixed shaft installation grooves 41 in the front side of the insertion groove 40, and return springs 44 are arranged in the large installation grooves; the upper end of the second arc-shaped fixing plate 39 is provided with a bulge with the same width as the insertion groove 40, and the surface of the front end of the bulge is backwards provided with a hole with the same diameter as the fixed shaft installation groove 41.

Handles 45 are arranged on the outer sides of the upper ends of the first arc-shaped fixing plates 38, fixing shafts 42 are fixedly connected to the inner sides of the handles 45, the fixing shafts 42 are slidably connected into the fixing shaft mounting grooves 41, baffle plates 43 are fixedly connected to the surfaces of the fixing shafts 42 in the large mounting grooves, and two ends of a return spring 44 are fixedly connected to the surfaces of the baffle plates 43 and the inner walls of the large mounting grooves.

When the first arc-shaped fixing plate 38 and the second arc-shaped fixing plate 39 are connected and opened, the pull handle 45 can be pulled, then the bulge at the upper end of the second arc-shaped fixing plate 39 is directly inserted into the insertion groove 40 or pulled out of the bulge at the upper end of the second arc-shaped fixing plate 39, the rear end of the fixing shaft 42 is provided with a steel ball capable of rotating to assist the insertion of the second arc-shaped fixing plate 39, the reset spring 44 is in a compressed state under the extrusion of the baffle plate 43 when the pull handle 45 is tightened, and the reset spring 44 pushes the baffle plate 43 to reset the fixing shaft 42 by loosening.

When the stretcher is used, the device can be moved to a designated position through the foot brake universal wheel 7, the active screw 13 is rotated through the handle 69 to convert the device into the shape of a stretcher, after a patient is moved onto the lying plate 68, the fixing device is arranged below the affected part of the patient through rotating the fixing knob 34, then the affected part of the patient is fixed by the fixing device, and then the active screw 13 is rotated to convert the device into the state of a transfer trolley to be transferred to a hospital; if the patient needs to carry the fixation device alone, the mounting bracket 36 can be disengaged from the trapezoidal mounting plate 37 by removing the screws, and the patient can carry the fixation device alone.

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.

Claims

1. The utility model provides an orthopedics fixing device that resets, including bottom plate (1), its characterized in that: rotatable initiative screw rod (13) is installed to the upside of bottom plate (1), service creeper (68) that can reciprocate is installed to the upside of initiative screw rod (13), the backplate (26) that can overturn are all articulated to the left and right sides of service creeper (68), the bottom surface four corners of bottom plate (1) all articulates there is folding leg (6), constitute when initiative screw rod (13) unidirectional rotation bottom plate (1) with service creeper (68) synchronous outside move, folding leg (6) open the outside simultaneously, two the structure of backplate (26) upset upwards simultaneously, constitute when initiative screw rod (13) antiport bottom plate (1) and service creeper (68) synchronous inside move, folding leg (6) withdraw the inside side simultaneously, two the structure of backplate (26) upset downwards simultaneously; the surface of the lying plate (68) is provided with a plurality of fixing holes (27), connecting devices are arranged in the fixing holes (27), and fixing devices are arranged on the upper sides of the connecting devices;

fixing device is including mounting bracket (36), two sets of first arc fixed plate (38) and second arc fixed plate (39) that can open and fold are installed to the left and right sides of mounting bracket (36) upper end, every group first arc fixed plate (38) with all install between second arc fixed plate (39) two can to first arc fixed plate (38) with the centre motion of second arc fixed plate (39) and grip block (46) that have self-locking function.

2. An orthopedic reduction fixation device as in claim 1, wherein: two sections of threads with opposite rotation directions are arranged on the front side and the rear side of the surface of the driving screw (13), driven plates (12) are connected to the front side and the rear side of the surface of the driving screw (13) through threads, a first supporting rod (2) and a second supporting rod (3) are hinged to the left end and the right end of each driven plate (12), the other ends of the first supporting rods (2) incline downwards and are hinged to the surface of the bottom plate (1), and the other ends of the second supporting rods (3) are hinged to the bottom surface of the lying plate (68) upwards; the left side and the right side of the bottom surface of the driven plate (12) are respectively hinged with a push rod (4), the other end of each push rod (4) inclines downwards and is hinged with a sliding rod (5), each sliding rod (5) is connected with the surface of the bottom plate (1) in a sliding mode, and the bottom end of each sliding rod (5) penetrates through the bottom plate (1) and the bottom end of each sliding rod (5) is connected with the inner side surface of each folding leg (6) in a sliding mode.

3. An orthopedic reduction fixation device as in claim 2, wherein: the center of the bottom surface of the lying plate (68) is rotatably connected with a driving disc (18), the left end and the right end of the bottom surface of the driving disc (18) are respectively hinged with a first connecting rod (19), the other ends of the first connecting rods (19) extend towards the front side and the rear side respectively and are respectively hinged with a lower driven disc (21), the upper ends of the two lower driven discs (21) are coaxially and fixedly connected with a rotatable upper driven disc (20), the upper driven discs (20) are respectively and rotatably connected with the bottom surface of the lying plate (68), the left side and the right side of the bottom surface of the two upper driven discs (20) are respectively hinged with an arc-shaped push rod (22), the other ends of the arc-shaped push rods (22) are respectively hinged with a first connecting rod (23), the first connecting rods (23) are respectively and slidably connected with the bottom surface of the lying plate (68), the other ends of the first connecting rods (23) are respectively hinged with a first arc rod (24), and, the other end of the second arc rod (25) is fixedly connected with the guard plate (26).

4. An orthopedic reduction fixation device as in claim 3, wherein: the driving screw rod (13) front side the upper end left side fixedly connected with output rack (14) of driven plate (12), the upside of output rack (14) is provided with rotatable first gear (15), works as output rack (14) remove with constitute when first gear (15) mesh first gear (15) pivoted structure, the right side center fixedly connected with worm (16) of first gear (15), the rear end meshing on worm (16) surface right side has worm wheel (17), worm wheel (17) fixed connection in driving disk (18) bottom surface.

5. An orthopedic reduction fixation device as in claim 1, wherein: the connecting device comprises an elastic annular fixing pad (28), the inner side surface of the elastic annular fixing pad (28) is fixedly connected with a plurality of supporting plates (29), the inner side center position of the elastic annular fixing pad (28) is provided with a first screw rod (35), the surface of the first screw rod (35) is connected with a fixing knob (34) capable of controlling the movement of the supporting plates (29) through threads, a structure that the supporting plates (29) are simultaneously opened outwards when the fixing knob (34) rotates in a single direction is formed, and a structure that the supporting plates (29) are simultaneously closed inwards when the fixing knob (34) rotates in a reverse direction is formed;

the surperficial downside of fixed knob (34) is connected with go-between (33) through the bearing, the surface of go-between (33) all articulates there is a plurality of first articulated rods (31), the other end of first articulated rod (31) all downwardly extending and articulate the inboard surface downside of fagging (29), the bottom fixedly connected with base (30) of first screw rod (35), the surface of base (30) all articulates there is a plurality of second articulated rods (32), the other end of second articulated rod (32) all tilt up with fagging (29) are articulated, first articulated rod (31) with the central point of second articulated rod (32) puts each other articulatedly.

6. An orthopedic reduction fixation device as in claim 1, wherein: every group first arc fixed plate (38) with second arc fixed plate (39) are total two and every first arc fixed plate (38) with second arc fixed plate (39) are installed respectively both sides around mounting bracket (36) upper end, every fixedly connected with connecting plate (53) between first arc fixed plate (38) and the second arc fixed plate (39), every the equal fixedly connected with self-lock device in outside of connecting plate (53), the outside of first arc fixed plate (38) is all rotated and is connected with trapezoidal mounting panel (37), trapezoidal mounting panel (37) all through the screw connection the upper end inboard surface of mounting bracket (36), every adjacent first arc fixed plate (38) with the lower extreme of second arc fixed plate (39) is articulated.

7. An orthopedic reduction fixation device as in claim 6, wherein: the upper side and the lower side of the outer side surface of each first arc-shaped fixing plate (38) and each second arc-shaped fixing plate (39) are fixedly connected with a sliding rail box (52), a lower pressing plate (71) is connected between each two sliding rail boxes (52) which are opposite in the front-back direction in a sliding manner, and the lower pressing plates (71) are hinged to the clamping plates (46);

every group between first arc fixed plate (38) and second arc fixed plate (39) holding down plate (71) are total two, two the hand push pedal (54) that can drive holding down plate (71) and remove are all installed to the outside of holding down plate (71), the rectangular channel has all been seted up on the outside surface of hand push pedal (54), self-lock device's upper end all sets up in the rectangular channel.

8. An orthopedic reduction fixation device as in claim 7, wherein: the self-locking device comprises a mounting box (57), two sides of the interior of the mounting box (57) are connected with second ratchet plates (58) in a sliding mode, the upper ends of the second ratchet plates (58) are respectively meshed with first ratchet plates (56), and the first ratchet plates (56) are respectively fixedly connected to the inner wall of the rectangular groove; a rotatable main pushing shaft (59) is mounted inside the mounting box (57), and when the main pushing shaft (59) rotates, a structure that the two second ratchet plates (58) synchronously move outwards and inwards is formed;

the equal fixedly connected with chute section of thick bamboo (64) in inside bottom of mounting box (57), inclined chute (65) of slope are seted up to the inner wall of chute section of thick bamboo (64), the main supplementary slider (67) of surface downside fixedly connected with that pushes away axle (59) and supplementary slider (67) with inclined chute (65) sliding connection, be provided with second supporting spring (66) in chute section of thick bamboo (64), the upper end and the lower extreme of second supporting spring (66) are fixed connection respectively the main lower extreme that pushes away axle (59) with the inside bottom of inclined chute (65).

9. An orthopedic reduction fixation device as in claim 1, wherein: an insertion groove (40) is formed in the center of the inner side edge of the upper end of the first arc-shaped fixing plate (38), fixed shaft installation grooves (41) are formed in the inner walls of the front side and the rear side of the insertion groove (40), large installation grooves are formed in the fixed shaft installation grooves (41) in the front side of the insertion groove (40), and return springs (44) are arranged in the large installation grooves;

the upper end outside of first arc fixed plate (38) all is provided with handle (45), the equal fixedly connected with fixed axle (42) in inboard of handle (45), fixed axle (42) sliding connection is in fixed axle mounting groove (41) fixed axle (42) fixed surface fixedly connected with baffle (43) in the big mounting groove, the equal fixed connection in both ends of reset spring (44) baffle (43) surface with big mounting groove inner wall.