CN214968468U - Pelvis orthopedic device - Google Patents

Abstract

The application relates to a pelvis orthopedic device, which belongs to the technical field of medical instruments and comprises a base, a support body arranged above the base and a lifting mechanism arranged between the base and the support body; the lifting mechanism is used for driving the supporting body to move close to or far away from one side of the base. The support body is lifted on the base, so that the support body replaces the arms of medical personnel to adjust the height of the pelvis of the patient, the support body has an auxiliary effect in the orthopedic operation of the patient, the risk of infection in the operation process is reduced, and the safety of patients with kyphosis deformity such as ankylosing spondylitis and the like in the orthopedic reduction operation process is effectively guaranteed.

Description

Pelvis orthopedic device

Technical Field

The present application relates to the field of medical devices, and more particularly, to a pelvic orthotic device.

Background

Ankylosing spondylitis is a disease with inflammation of the sacroiliac joints and spinal attachment points as main symptoms, and can cause ankylosing deformity such as kyphosis. In the process of performing reduction orthopedic surgery on a patient with kyphosis, the patient is required to lie on an operating table and the shoulder and pelvis of the patient are lifted, so that correction of the kyphosis is facilitated.

At present, need rely on medical personnel to pad the arm in patient pelvis below when lifting up patient pelvis, rely on self arm power to adjust patient's pelvis height, but when the patient is in the prone posture, it is comparatively hard to lift up the pelvis, and medical personnel are closer with the patient distance when lifting up patient pelvis moreover, have the risk of infecting the patient.

SUMMERY OF THE UTILITY MODEL

To facilitate lifting the pelvis of a patient during surgery and to reduce the risk of infecting the patient, the present application provides a pelvic orthotic device.

The application provides a pelvis orthopedic device adopts following technical scheme:

a pelvis orthopedic device comprises a base, a support body arranged above the base and a lifting mechanism arranged between the base and the support body; the lifting mechanism is used for driving the supporting body to move close to or far away from one side of the base.

Through adopting above-mentioned technical scheme, at the in-process that carries out orthopedic operation to the patient, make the patient lie prone on the operating table earlier, then place orthopedic device patient's pelvis below, fill up the supporter in patient's pelvis position, reuse elevating system drives the supporter and removes, highly realize the function of adjusting patient's pelvis height through changing the supporter, play free supplementary effect in orthopedic operation to the patient, replaced medical personnel to adopt the manpower to raise the mode of patient's pelvis, the risk of infection in the operation process has been reduced, effectively ensured the security of patient at the operation in-process to kyphotic deformity such as ankylosing spondylitis.

Optionally, the lifting mechanism comprises a driving assembly and two connecting assemblies; coupling assembling includes sliding connection sliding part on the base, articulates the connecting portion on sliding part, the one end that sliding part was kept away from to connecting portion is articulated with the supporter, drive assembly is connected with the sliding part among two coupling assembling for the removal that two sliding parts of drive were close to each other or deviate from the direction each other.

By adopting the technical scheme, when the lifting mechanism is operated, the driving assembly is used for controlling the two sliding parts to slide on the base, the sliding parts can drive the connecting parts to move along with the sliding parts when moving, but because one end part of the connecting part is fixed relative to the position of the supporting body, the connecting part can adapt to the movement of the sliding parts in a rotating mode, and the distance between the upper end and the lower end of the connecting part can be changed, so that the supporting body is driven to move on the base, and the function of driving the supporting body to lift is realized. Two sliding parts and two connecting portions can play the supporting effect to the both sides of supporter simultaneously, improve the compressive capacity of supporter.

Optionally, the drive assembly includes a drive shaft, the drive shaft is connected to the base in a rotating manner, two sides of the drive shaft are respectively connected to the two sliding portions in a threaded manner, and the thread turning directions of the two sides of the drive shaft are opposite.

Through adopting above-mentioned technical scheme, when rotating the drive shaft, two sliding parts all can slide on the drive shaft to under the opposite effect of drive shaft both sides screw thread handmade, the direction when making two sliding parts move on the drive shaft is opposite, has consequently realized that two sliding parts of drive do the gliding function of direction of being close to each other or keeping away from each other. And after the support body receives the pressure of the pelvis part of the patient, the pressure is transmitted to the sliding part through the connecting part, and the sliding part can keep the position stable under the self-locking condition of threaded connection, so that the position of the support body is kept stable.

Optionally, one side of the supporting body is hinged to the base, the lifting mechanism is used for driving the supporting body to rotate on the base, and the side, far away from the base, of the supporting body is an upwards arched arc surface.

Through adopting above-mentioned technical scheme, be line contact when the cambered surface of supporter and patient's pelvis position contact, its contact surface is less, and its position of adjusting to is also comparatively accurate, and the regulation precision is higher.

Optionally, an installation block is arranged between the connection part and the support body, the installation block is hinged to the support body, one end, away from the sliding part, of the connection part is hinged to the installation block, and the installation block and the hinge shaft axis of the connection part and the hinge shaft axis of the installation block and the support body are arranged in a staggered mode.

By adopting the technical scheme, when the supporting body rotates on the base under the driving action of the sliding part and the connecting part, relative rotation can be generated between the connecting part and the mounting block and between the mounting block and the supporting body, so that the connecting part can adapt to the rotating action of the supporting body, and the connecting part and the sliding part can move smoothly.

Optionally, the driving assembly includes a driving shaft, one end of the driving shaft is in threaded connection with one of the sliding portions, and the other end of the driving shaft is in rotational connection with the other sliding portion; two connecting portion all are equipped with the meshing tooth with supporter articulated one end, and the axis setting of connecting portion and supporter articulated shaft is followed to the meshing tooth, two the tip that connecting portion are close to each other passes through meshing tooth intermeshing.

Through adopting above-mentioned technical scheme, when using drive assembly, make the drive shaft rotate, can follow the circumference removal of drive shaft with drive shaft threaded connection's sliding part, sliding part can drive connecting portion and rotate simultaneously, and at this moment under the effect of meshing tooth, synchronous reverse rotation can be done to two connecting portions to make another connecting portion drive the sliding part removal rather than being connected, with this purpose of realizing two sliding parts and two connecting portion simultaneous movement, realize the lift action of supporter.

Optionally, two retaining rings are fixedly arranged on one side of the driving shaft away from the thread formed on the driving shaft, and the two retaining rings are respectively abutted against two sides of the sliding portion rotatably connected with the driving shaft.

Through adopting above-mentioned technical scheme, under the restriction of two fender rings, make drive shaft and rather than the relative position of the sliding part of rotational connection fixed, the drive shaft can't be at this sliding part along self axial displacement, simultaneously, when drive shaft and rather than the sliding part of threaded connection appear relative displacement, the drive shaft also can produce the reverse drive power to rather than the sliding part of rotational connection, further ensures that two sliding parts can synchronous reverse movement.

Optionally, coupling assembling still includes the supporting part of establishing below the sliding part, the one end of supporting part is articulated with the sliding part, and the other end downward sloping extends and is articulated with the base.

Through adopting above-mentioned technical scheme, under the effect of supporting part, make sliding part can rotate around the articulated axis of the supporting part of being connected with it and base when removing, not only realize sliding part for the base on the horizontal direction, also can make sliding part for the base move in vertical direction, corresponding also makes the high change of connecting portion to increase the lift scope of supporter on the base, improve its suitability.

Optionally, the end parts of the support parts hinged to the base are also provided with meshing teeth, and the two support parts are also meshed with each other through the meshing teeth.

Through adopting above-mentioned technical scheme, the meshing tooth on the supporting part can ensure that two supporting parts can synchronous antiport, makes the both sides atress of supporter even, makes the distance that supporter lift in-process both sides removed unanimous, improves the stationarity of supporter lift in-process.

Optionally, the side wall of the supporting body far away from the base is coated with an elastic pad.

Through adopting above-mentioned technical scheme, the cushion replaces supporter and patient's pelvis position contact, and the cushion can be according to the shape elastic deformation of patient's pelvis position, makes it comparatively laminate with patient's pelvis position, improves patient's travelling comfort.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the support body is lifted on the base, so that the support body replaces the arms of medical staff to adjust the height of the pelvis of the patient, the support body has an auxiliary effect in the orthopedic operation of the patient, the risk of infection in the operation process is reduced, and the safety of the patient with kyphosis deformity such as ankylosing spondylitis and the like in the orthopedic reduction operation process is effectively guaranteed;

2. the lifting function of the support body is realized by driving the sliding part and the connecting part to move through the driving shaft, the operation mode is simple and convenient, the height of the pelvis orthopedic device is more conveniently controlled, and the orthopedic precision of the pelvis of a patient is improved;

3. the contact area between the cambered surface of the support body and the pelvis of the patient is small, the position of the support body for correcting the pelvis is more accurate, and the correcting effect is further improved.

Drawings

Fig. 1 is a schematic view showing the structure of an orthopedic device according to embodiment 1 of the present application.

Fig. 2 is a partial sectional view showing a connection relationship between a connection portion and a support body according to embodiment 1 of the present application.

Fig. 3 is a sectional view showing the internal structure of the support body according to embodiment 1 of the present application.

Fig. 4 is a schematic structural view showing a dimensional relationship between the orthopedic device and the operating table in embodiment 1 of the present application.

Fig. 5 is a schematic structural view showing a dimensional relationship between the orthopedic device and the operating table in embodiment 2 of the present application.

Fig. 6 is an exploded view showing a connection relationship between two connection portions and a support body in embodiment 2 of the present application.

Fig. 7 is a sectional view showing the structure of the elevator mechanism in embodiment 2 of the present application.

Fig. 8 is an enlarged view of a portion a in fig. 7.

Fig. 9 is a partial exploded view showing a connection relationship between a drive shaft and two sliding portions in embodiment 2 of the present application.

FIG. 10 is a schematic view showing a structure in which the distance between the base and the support is minimized in example 2 of the present application.

Description of reference numerals: 1. a base; 11. a side plate; 12. a yielding groove; 2. a support body; 21. an elastic pad; 22. a protrusion; 23. a support plate; 3. a lifting mechanism; 31. a drive shaft; 311. a baffle ring; 312. a fixing ring; 313. a connecting sleeve; 314. a fixing pin; 32. a handle; 33. a sliding part; 34. a connecting portion; 341. mounting blocks; 342. a baffle plate; 35. a support portion; 351. an end plate; 4. the teeth are engaged.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

The embodiment of the application discloses a pelvis orthopedic device.

Example 1

Referring to fig. 1 and 2, the orthopedic device includes a base 1, a supporting body 2, and a lifting mechanism 3; the supporter 2 is located the top of base 1, and one side of supporter 2 articulates on base 1, and the articulated shaft axis of supporter 2 sets up along the horizontal direction, and elevating system 3 is used for driving supporter 2 and rotates on base 1.

When the orthopedic device is used, the base 1 is placed on an operating table, the support body 2 is padded below the pelvis of a patient, then the lifting mechanism 3 is used for driving the support body 2 to rotate, and the height of the contact surface of the support body 2 and the pelvis part of the patient is adjusted, so that the orthopedic function of the pelvis of the patient is achieved.

Referring to fig. 1, the base 1 is a horizontally placed rectangular sheet metal part, and both ends of the base 1 along the length direction thereof are provided with side plates 11 formed by upward folding.

Referring to fig. 2, the supporting body 2 is a hollow shell-shaped structure with an opening at the bottom, the top surface of the supporting body 2 is an arc-shaped surface which is arched upwards, and the supporting body 2 can be formed by bending a sheet metal structure or integrally injection-molded by rigid plastics; the top surface of supporter 2 is used for contacting with patient's pelvis position, is line contact when arcwall face and patient pelvis position contact, and area of contact is less, makes supporter 2 be higher to the position accuracy that patient pelvis position was adjusted. Still the cladding has elastic pad 21 on the arcwall face of supporter 2, and elastic pad 21 can adopt sponge or flexible leather to make, improves patient's travelling comfort.

Referring to fig. 1, the interval between the two inner side walls of the support body 2 along the length direction of the base 1 is greater than the interval between the two side plates 11 on the base 1, and the end parts of the two side walls opposite to the support body 2 are integrally formed with protrusions 22, the two protrusions 22 are respectively located on one side of the two side plates 11 deviating from each other, and the protrusions 22 are hinged on the corresponding side plates 11, so that the support body 2 and the base 1 are hinged. The lifting mechanism 3 is installed in the gap between the supporting body 2 and the base 1, and the lifting mechanism 3 is located on the side of the base 1 far away from the protrusion 22.

The lifting mechanism 3 comprises two connecting assemblies and a driving assembly; two coupling assembling symmetries set up, and drive assembly connects between two coupling assembling, wherein:

referring to fig. 2 and 3, the driving assembly includes a driving shaft 31 and a handle 32, the driving shaft 31 is disposed along the length direction of the base 1, two ends of the driving shaft 31 along the axial direction thereof are respectively rotatably connected with the two side plates 11, one end of the driving shaft 31 penetrates through the corresponding side plate 11 and then is fixedly connected with the handle 32, so that the handle 32 is located outside the gap between the supporting body and the side plate 11. The two connecting assemblies are respectively connected with two axial sides of the driving shaft 31, two sections of threads are arranged on the circumferential surface of the driving shaft 31, and the rotating directions of the two sections of threads on the driving shaft 31 are opposite.

Referring to fig. 2 and 3, the connecting assembly includes a sliding portion 33 and a connecting portion 34, the sliding portion 33 is in a sleeve shape, the sliding portion 33 is sleeved on the driving shaft 31 and is in threaded connection with the driving shaft, the connecting portion 34 is in a rod shape, one end of the connecting portion 34 is hinged to one side of the sliding portion 33 close to the supporting body 2, and one end of the connecting portion 34 far away from the sliding portion 33 extends upwards to the inner top wall of the supporting body 2.

Referring to fig. 2 and 3, one end of the connecting portion 34 close to the supporting body 2 is hinged to a mounting block 341, two supporting plates 23 are fixedly arranged at the corresponding positions of the top wall and each connecting portion 34 in the supporting body 2, the two supporting plates 23 are axially spaced along the driving shaft 31, and the mounting block 341 is hinged between the two supporting plates 23. The mounting block 341 is parallel to the hinge axis of the support body 2 and the axis of the drive shaft 31, and the hinge axes of the connecting portion 34 and the sliding portion 33, and the hinge axes of the connecting portion 34 and the mounting block 341 are both horizontal and perpendicular to the axis of the drive shaft 31.

When the driving assembly is used, the driving shaft 31 is controlled to rotate by the handle 32, at this time, the two sliding portions 33 on the driving shaft 31 slide along the axial direction of the driving shaft 31 under the action of the threads, and the moving directions of the two sliding portions 33 are opposite under the action of opposite screwing directions of the threads on the driving shaft 31, that is, the driving shaft 31 drives the two sliding portions 33 to synchronously move close to or move away from each other when rotating.

In the process of moving the sliding portion 33, the connecting portion 34 is driven to move together, but since the position of the mounting block 341 relative to the supporting body 2 is fixed, both ends of the connecting portion 34 rotate to adapt to the movement of the sliding portion 33, and at this time, the height difference between both ends of the connecting portion 34 changes, so as to drive the mounting block 341 and the supporting body 2 to lift in the height direction accordingly. In addition, during the rotation of the supporting body 2, the mounting block 341 also rotates between the two supporting plates, so that the connecting portion 34 can adapt to the position change of the supporting body 2, and the smooth movement of the connecting portion 34 is ensured.

In addition, as shown in fig. 4, the length of the base 1 is the same as the width of the operating table, and after the base 1 is placed on the operating table, the handle 32 can just hang outside the operating table, so that interference to the rotation of the handle 32 is avoided, and convenience is brought to the use and operation of medical workers.

The implementation principle of the embodiment 1 of the application is as follows: when the pelvis of the patient is shaped, the pelvis of the patient is padded on the top surface of the supporting body 2, then the handle 32 and the driving shaft 31 are rotated to adjust the height of the supporting body 2, so that the pelvis of the patient is driven by the supporting body 2 to move, thereby realizing the function of shaping the pelvis of the patient, and the length of the supporting body 2 is long, so that the pelvis of the patient can be adjusted in a large range. Replace medical personnel through orthopedic device and play supplementary effect in to patient's orthopedic operation, reduced the risk of infection in the operation process, the security is higher, is applicable to the kyphosis deformity patient's orthopedic reduction operations such as ankylosing spondylitis.

Example 2

The present embodiment is different from embodiment 1 in the moving manner of the support body 2.

Referring to fig. 5, in this embodiment, the supporting body 2 is located above the base 1 and spaced from the base 1, the lifting mechanism 3 is installed between the supporting body 2 and the base 1 for driving the supporting body 2 to perform a lifting operation in a vertical direction, and a length and a width of the supporting body 2 are both smaller than those of the supporting body in embodiment 1.

When the support body 2 is used for reshaping the pelvis of the patient, the support body 2 can be more accurately supported at the accurate part of the pelvis of the patient needing to be reshaped due to the small area of the support body 2, and the accurate part of the pelvis of the patient can be reshaped under the action of the vertical lifting of the support body 2.

Referring to fig. 5 and 6, the supporting body 2 and the base 1 are of a shell structure symmetrically arranged along a horizontal plane, for convenience of processing, the top surface of the supporting body 2 is a plane horizontally arranged, the supporting body 2 and the base 1 are both made of sheet metal parts through bending, and the supporting body 2 can achieve the effect of the embodiment 1 by arranging the elastic material with an arc-shaped surface on the supporting body 2, so that the processing mode is simpler and more convenient, and the manufacturing cost is reduced.

The structure of the drive mechanism is also different in order to adapt to the vertical lifting of the support body 2. Wherein:

referring to fig. 6 and 7, the sliding portion 33 is a rod-shaped structure disposed along the width direction of the base 1, the connecting portion 34 is a plate-shaped structure disposed along the width direction of the base 1, the two sides of the connecting portion 34 along the width direction of the base 1 are both provided with a baffle 342 integrally bent, and the two sides of the sliding portion 33 along the length direction thereof respectively penetrate through the two baffles 342 to be rotatably connected therewith; and the baffle 342 is close to the one end of the support body 2 and all extends to the inside of the support body 2, and the two baffles 342 are respectively hinged with the inner side walls of the support body 2 along the two sides of the base 1 in the width direction.

Referring to fig. 6 and 7, the ends of the two connecting portions 34 away from the driving shaft 31 are inclined toward the direction approaching each other, a plurality of engaging teeth 4 are integrally formed at one end of each connecting portion 34 where the baffle 342 and the supporting body 2 are hinged, the engaging teeth 4 are circumferentially distributed around the hinge axes of the baffle 342 and the supporting body 2 in an array, and the ends of the two adjacent baffles 342 are engaged with each other through the engaging teeth 4, so that when one baffle 342 rotates, the other baffle 342 can be driven to synchronously rotate in the opposite direction.

The above purpose can be achieved by fixing the gear between the two baffles 342, but the gear has high cost and occupies a large installation space, and the meshing teeth 4 can be directly formed on the baffles 342 by wire cutting, so that the installation space is small and the cost is low.

Referring to fig. 6 and 7, two ends of the driving shaft 31 respectively penetrate through the two sliding portions 33, the driving shaft 31 is fixedly connected with the handle 32 after moving to extend out of the gap between the supporting body 2 and the base 1, a section of the driving shaft 31 away from the handle 32 is provided with a thread, a section of the driving shaft 31 provided with the thread is in threaded connection with the sliding portion 33 on the corresponding side, and the other section of the driving shaft 31 is in rotational connection with the sliding portion 33 on the corresponding side.

When the driving assembly is used, the driving shaft 31 is driven to rotate through the handle 32, the sliding portion 33 in threaded connection with the driving shaft 31 can move along the circumferential direction of the driving shaft 31, meanwhile, the sliding portion 33 can drive the connecting portion 34 to rotate, at the moment, under the action of the meshing teeth 4, the two connecting portions 34 can synchronously and reversely rotate, so that the other connecting portion 34 drives the sliding portion 33 connected with the other connecting portion to move, the purpose of synchronous movement of the two sliding portions 33 and the two connecting portions 34 is achieved, and the lifting action of the supporting body 2 is achieved.

The supporting points of the two connecting parts 34 on the supporting body 2 are positioned in the middle of the supporting body 2, so that the supporting positions of the supporting body 2 on the pelvis of the patient are concentrated, the effect of accurately correcting the pelvis of the patient is better, and the stability of the supporting body 2 is better.

In addition, referring to fig. 8, two retaining rings 311 are further disposed on the side of the driving shaft 31 close to the sliding portion 33 rotationally connected to the driving shaft, the two retaining rings 311 are both sleeved on the driving shaft 31 and fixedly connected to the driving shaft, the sliding portion 33 is located between the two retaining rings 311, and both retaining rings 311 abut against the side wall of the sliding portion 33.

Under the restriction of the two retainer rings 311, the relative positions of the driving shaft 31 and the sliding portion 33 rotationally connected therewith are fixed, the driving shaft 31 cannot move on the sliding portion 33 along the axial direction thereof, and when the driving shaft 31 and the sliding portion 33 screwed therewith are relatively displaced, the driving shaft 31 also generates a reverse driving force to the sliding portion 33 rotationally connected therewith, thereby further ensuring that the two sliding portions 33 can synchronously move in reverse directions.

Referring to fig. 8, a fixing ring 312 is further sleeved on the driving shaft 31, the fixing ring 312 is welded and fixed on the driving shaft 31, the fixing ring 312 is located between the sliding portion 33 and the handle 32, and the fixing ring 312 abuts against one side of the stop ring 311 away from the sliding portion 33; a connecting sleeve 313 is arranged at the position of the retaining ring 311 at one side far away from the handle 32, the connecting sleeve 313 is sleeved on the driving shaft 31, and the connecting sleeve 313 is positioned at one side of the retaining ring 311 far away from the sliding part 33 and is abutted against the retaining ring 311; the connecting sleeve 313 and the driving shaft 31 are provided with pin holes, the axes of the pin holes on the connecting sleeve 313 and the driving shaft 31 are overlapped, and the fixing pin 314 passes through the pin holes, so that the connecting sleeve 313 and the driving shaft 31 are fixedly connected together through the fixing pin 314, and the two baffle rings 311 are fixedly connected on the driving shaft 31.

As shown in fig. 9, when the two sliding portions 33 are connected to the driving shaft 31, one of the stopper rings 311 is first fitted over the driving shaft 31 and moved to a state of abutting against the fixed ring 312, and then one of the sliding portions 33 is fitted over the driving shaft 31 and abuts against the stopper ring 311 at the fixed ring 312; then another retaining ring 311 is sleeved on the driving shaft 31 and is abutted to the other side of the sliding part 33; then the connecting sleeve 313 is sleeved on the driving shaft 31 and moves to abut against the stop ring 311, at the moment, the connecting sleeve 313 is aligned with the pin hole on the driving shaft 31, and the fixing pin 314 is inserted into the pin hole; finally, the other sliding part 33 is connected to the threaded end of the driving shaft 31 in a threaded mode, so that the splicing process of the driving shaft 31 and the two sliding parts 33 is more convenient, and the practicability is higher.

Referring to fig. 6 and 7, the connecting assembly further includes a supporting portion 35 disposed below the sliding portion 33, the supporting portion 35 and the connecting portion 34 are symmetrically disposed along a horizontal plane, the supporting portion 35 is integrally bent at two ends of the base 1 in the width direction to form end plates 351, the supporting portion 35 is also hinged to the sliding portion 33 and the base 1 by two end plates 351, the end plates 351 are also hinged to one end of the base 1, the engaging teeth 4 are also disposed at one end of the end plates 351, and the two adjacent end plates 351 are also engaged with each other through the engaging teeth 4.

In the process that two sliding portions 33 move, two supporting portions 35 can also rotate synchronously under the effect of meshing teeth 4, thereby make sliding portion 33 rotate along with corresponding supporting portion 35, sliding portion 33 is at the pivoted in-process, not only can be for the ascending slip of base 1 in the horizontal direction, also can move in vertical direction for base 1, corresponding height that also makes connecting portion 34 changes, make the biggest height of supporter 2 apart from base 1 be the perpendicular distance of connecting portion 34 and supporter 2 pin joint apart from supporting portion 35 and base 1 pin joint, the lift scope of supporter 2 on base 1 has been increased, improve its suitability.

Referring to fig. 10, semicircular abdicating grooves 12 are respectively formed at the end portions of the side walls of the support body 2 and the base 1 close to the driving shaft 31, the diameter of the abdicating groove 12 is the same as that of the driving shaft 31, when the distance between the support body 2 and the base 1 is minimum, the support body 2 abuts against the base 1, and at the moment, the driving shaft 31 is just embedded into the abdicating grooves 12 on the support body 2 and the base 1, so that the driving shaft 31 does not cause position interference to the support body 2 and the base 1.

The implementation principle of embodiment 2 of the present application is as follows: through reducing the whole size of supporter 2, make its accurate position contact to the required orthopedic accurate of patient's pelvis that can be accurate to under the mutually supporting of connecting portion 34 and supporting part 35, make supporter 2 comparatively concentrate the holding power that patient's pelvis position provided, compare in embodiment 1, it is more applicable to accurate orthopedic to patient's pelvis position more, and whole volume is less, and the use is nimble more convenient.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A pelvic orthotic device, comprising: comprises a base (1), a supporting body (2) arranged above the base (1) and a lifting mechanism (3) arranged between the base (1) and the supporting body (2); the lifting mechanism (3) is used for driving the support body (2) to move close to or far away from one side of the base (1).

2. The orthopedic pelvic device of claim 1, wherein: the lifting mechanism (3) comprises a driving assembly and two connecting assemblies;

the connecting assembly comprises a sliding part (33) connected to the base (1) in a sliding mode and a connecting part (34) hinged to the sliding part (33), and one end, far away from the sliding part (33), of the connecting part (34) is hinged to the supporting body (2); the driving assembly is connected with the sliding parts (33) in the two connecting assemblies and used for driving the two sliding parts (33) to move in the directions close to or away from each other.

3. The orthopedic pelvic device of claim 2, wherein: the drive assembly comprises a drive shaft (31), the drive shaft (31) is rotatably connected to the base (1), two sides of the drive shaft (31) are respectively in threaded connection with the two sliding parts (33), and the thread turning directions of the two sides of the drive shaft (31) are opposite.

4. The orthopedic pelvic device of claim 2, wherein: one side of the supporting body (2) is hinged to the base (1), the lifting mechanism (3) is used for driving the supporting body (2) to rotate on the base (1), and the side face, far away from the base (1), of the supporting body (2) is an upwards arched cambered surface.

5. The orthopedic pelvic device of claim 4, wherein: an installation block (341) is arranged between the connecting portion (34) and the supporting body (2), the installation block (341) is hinged to the supporting body (2), one end, far away from the sliding portion (33), of the connecting portion (34) is hinged to the installation block (341), and the axis of a hinged shaft of the installation block (341) and the connecting portion (34) and the axis of a hinged shaft of the installation block (341) and the supporting body (2) are arranged in a staggered mode.

6. The orthopedic pelvic device of claim 2, wherein: the driving assembly comprises a driving shaft (31), one end of the driving shaft (31) is in threaded connection with one sliding part (33), and the other end of the driving shaft (31) is in rotary connection with the other sliding part (33);

two connecting portion (34) all are equipped with meshing tooth (4) with supporter (2) articulated one end, and meshing tooth (4) set up along the axis of connecting portion (34) and supporter (2) articulated shaft, two the tip that connecting portion (34) are close to each other passes through meshing tooth (4) intermeshing.

7. The orthopedic pelvic device of claim 6, wherein: two retaining rings (311) are fixedly arranged on one side, away from the thread formed on the driving shaft (31), of the driving shaft (31), and the two retaining rings (311) are respectively abutted to two sides of a sliding part (33) in rotating connection with the driving shaft (31).

8. The orthopedic pelvic device of claim 6, wherein: coupling assembling still includes establishing supporting part (35) below sliding part (33), the one end of supporting part (35) is articulated with sliding part (33), and the other end downward sloping extends and is articulated with base (1).

9. The orthopedic pelvic device of claim 8, wherein: the end parts of the supporting parts (35) hinged to the base (1) are also provided with meshing teeth (4), and the two supporting parts (35) are meshed with each other through the meshing teeth (4).

10. The orthopedic pelvic device of any one of claims 1-9, wherein: the side wall of the support body (2) far away from the base (1) is coated with an elastic pad (21).

Images