CN220676099U

CN220676099U - Rib correction fixing device

Info

Publication number: CN220676099U
Application number: CN202321019323.6U
Authority: CN
Inventors: 陈吉第
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-02
Filing date: 2023-05-02
Publication date: 2024-03-29
Anticipated expiration: 2033-05-02

Abstract

The utility model relates to a rib correction fixing device, which is characterized in that: comprises a supporting frame, a fixed rib clamp, a movable rib clamp and a clamp driving mechanism for driving the movable rib clamp to do lifting and forward-backward translation movements; the fixed rib clamp and the clamp driving mechanism are both arranged on the support frame, and the movable rib clamp is arranged at the rear part of the fixed rib clamp and matched with the fixed rib clamp. The rib correction fixing device can assist doctors to correct and fix two dislocated fracture ends after rib fracture, is convenient to operate, and can reduce fracture more accurately, so that the workload of the operators is reduced, and the operation quality is improved.

Description

Rib correction fixing device

Technical Field

The utility model relates to a medical apparatus, in particular to a rib correction fixing device.

Background

The human rib is used to protect the bones of organs such as lung, heart, liver, etc., and is the framework of the whole thoracic cavity. The fracture can bring great pain and inconvenience to patients due to the fact that the fracture of the ribs is caused by accidents, and particularly the fracture of the ribs is more harmful to the human body due to the fact that the fracture is positioned on the chest wall and adjacent to important organs of the human body.

The dislocation of rib fracture is that two broken ends after rib fracture are misplaced, namely the two fracture ends are partially overlapped, and the fracture cannot be healed normally. At present, in the bone surgery, the broken ends of two fracture ends are pulled back by manpower, the broken ends positioned below are lifted upwards to the original positions, and then the broken ends of the two fracture ends are positioned and fixed by a rib embracing device, so that the operation process is tedious and laborious, the workload of a surgeon is increased, the fracture is difficult to accurately reset, and the operation quality is affected.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the rib correction fixing device which can assist doctors to correct and fix two dislocated fracture ends after rib fracture, is convenient to operate, and can more accurately reduce fracture, thereby reducing the workload of the operators and improving the operation quality. The technical scheme adopted is as follows:

a rib correction fixation device, characterized in that: comprises a supporting frame, a fixed rib clamp, a movable rib clamp and a clamp driving mechanism for driving the movable rib clamp to do lifting and forward-backward translation movements; the fixed rib clamp and the clamp driving mechanism are both arranged on the support frame, and the movable rib clamp is arranged at the rear part of the fixed rib clamp and matched with the fixed rib clamp.

In the bone surgery process of a patient with dislocated rib fracture, two fracture ends are respectively clamped by a fixed rib clamp and a movable rib clamp, and then the movable rib clamp is driven by a clamp driving mechanism to translate backwards, so that the movable rib clamp is separated from the fixed rib clamp, the fracture ends of the two fracture ends are pulled apart, and the two fracture ends are not partially overlapped; then, the movable rib clamp is driven to ascend or descend respectively through the clamp driving mechanism, so that the broken ends of the fracture ends clamped by the movable rib clamp reach the same height position as the fracture ends clamped by the fixed rib clamp, and the two fracture ends dislocated after the rib fracture are corrected; finally, the movable rib clamps are respectively driven to translate forwards by the clamp driving mechanism, so that broken ends of two fracture ends are butted together, and the two fracture ends are connected and fixed by the rib embracing device. The rib correction fixing device can assist doctors to correct and fix two dislocated fracture ends after rib fracture, is convenient to operate, and can reduce fracture more accurately, so that the workload of the operators is reduced, and the operation quality is improved.

As a preferable scheme of the utility model, the fixed rib clamp comprises two first clamping jaws which are matched with each other and a first opening and closing control mechanism which can drive the two first clamping jaws to do opening and closing actions, wherein the first opening and closing control mechanism is arranged on the support frame, and the two first clamping jaws are oppositely arranged left and right and are respectively connected with two power output ends of the first opening and closing control mechanism. During operation, the first opening and closing control mechanism can drive the two first clamping jaws to perform closing action, so that the two first clamping jaws are close to each other until the two first clamping jaws jointly clamp the corresponding fracture ends.

As a further preferable scheme of the utility model, the first clamping jaw is L-shaped and is provided with a vertical section and a horizontal section, one end of the horizontal section of the first clamping jaw is connected with the lower end of the vertical section, and the horizontal sections of the two first clamping jaws are oppositely arranged; the first opening and closing control mechanism comprises a first translation guide rail, two first translation sliding blocks, a first rotating shaft, a first driving mechanism for driving the first rotating shaft to rotate, a first upper rack, a first lower rack and a first gear, wherein the first translation guide rail is arranged on the support frame and runs left and right, and the two first translation sliding blocks are arranged on the first translation guide rail and are in sliding fit with the first translation guide rail; the first rotating shaft is rotatably arranged on the support frame and runs forwards and backwards, and the first gear is fixedly arranged on the first rotating shaft and positioned between the vertical sections of the two first clamping jaws; the first upper rack is arranged on the upper part of the vertical section of one first clamping jaw and runs left and right, and the first lower rack is arranged on the middle part of the vertical section of the other first clamping jaw and runs left and right; the first upper rack and the first lower rack are respectively arranged on the upper side and the lower side of the first gear and meshed with the first gear; the two first clamping jaws are in one-to-one correspondence with the two first translation sliding blocks, and the two first clamping jaws are respectively and fixedly arranged on the corresponding first translation sliding blocks. The upper parts of the vertical sections of the two first clamping jaws, the first upper racks and the first lower racks jointly enclose a first mounting cavity capable of containing the first gear, and the lower parts of the vertical sections of the two first clamping jaws and the horizontal sections jointly enclose a first clamping cavity capable of clamping the fracture ends of the ribs. When the first opening and closing control mechanism is required to drive the two first clamping jaws to perform closing action, the first rotating shaft and the first gear can be driven to rotate positively through the first driving mechanism, and the two first translation sliding blocks are driven to move in opposite directions along the first translation guide rail through the meshing relationship among the first upper rack, the first lower rack and the first gear, so that the two first clamping jaws are driven to approach each other, a first clamping cavity is formed to clamp the fracture ends of the corresponding ribs, and therefore the two first clamping jaws can be ensured to clamp the fracture ends firmly together; when the first opening and closing control mechanism is required to drive the two first clamping jaws to do opening action, the first rotating shaft and the first gear can be driven to reversely rotate through the first driving mechanism, and the two first translation sliding blocks are driven to move back along the first translation guide rail through the meshing between the first upper rack, the first lower rack and the first gear, so that the two first clamping jaws are driven to be separated from each other, and the corresponding rib fracture ends are loosened.

As a further preferable scheme of the utility model, the first driving mechanism comprises a transmission shaft, a first operating handle, a driving belt pulley, a driven belt pulley and an annular synchronous belt, wherein the transmission shaft is rotatably arranged on the support frame and runs forwards and backwards, the first operating handle is fixedly arranged at the rear end of the transmission shaft, the driving belt pulley is fixedly arranged at the front end of the transmission shaft, the driven belt pulley is fixedly arranged on the first rotating shaft, and the annular synchronous belt is tensioned by the driving belt pulley and the driven belt pulley. During operation, the first operating handle is rotated to drive the transmission shaft and the driving belt pulley to rotate, and the annular synchronous belt and the driven belt pulley drive the first rotating shaft to rotate, so that remote operation is realized, and adjustment is convenient.

As another further preferable scheme of the utility model, the first driving mechanism comprises a first driving motor and a first speed reducer, the first driving motor is fixedly arranged on the supporting frame, and an output shaft of the first driving motor is in transmission connection with the first rotating shaft through the first speed reducer. The first driving motor can adopt a servo motor and is connected with a controller for control.

As a preferable scheme of the utility model, the clamp driving mechanism comprises a translation seat, a front-back translation mechanism for driving the translation seat to translate back and forth, a lifting seat and a lifting mechanism for driving the lifting seat to lift, wherein the front-back translation mechanism is arranged on the support frame, the lifting mechanism is arranged on the translation seat, and the movable rib clamp is arranged on the lifting seat. In the bone surgery, the translation seat and the lifting mechanism, the lifting seat and the movable rib clamp on the translation seat can be driven to translate forwards or backwards through the front-back translation mechanism, so that the movable rib clamp moves towards or back to the fixed rib clamp; the lifting seat and the movable rib clamp can be driven to ascend or descend by the lifting mechanism, so that the height position of the fracture end fracture clamped by the movable rib clamp can be conveniently adjusted.

As a further preferable scheme of the utility model, the movable rib clamp comprises two second clamping jaws which are matched with each other and a second opening and closing control mechanism for driving the two second clamping jaws to open and close, wherein the second opening and closing control mechanism is arranged on the lifting seat, and the two second clamping jaws are arranged side by side left and right and are respectively connected with two power output ends of the second opening and closing control mechanism. During operation, the second opening and closing control mechanism can drive the two second clamping jaws to perform closing action, so that the two second clamping jaws are close to each other until the two second clamping jaws jointly clamp the corresponding fracture ends.

As a further preferable scheme of the utility model, the second clamping jaw is L-shaped and is provided with a vertical section and a horizontal section, one end of the horizontal section of the second clamping jaw is connected with the lower end of the vertical section, and the horizontal sections of the two second clamping jaws are oppositely arranged; the second opening and closing control mechanism comprises a second translation guide rail, two second translation sliding blocks, a second rotating shaft, a second driving mechanism for driving the second rotating shaft to rotate, a second upper rack, a second lower rack and a second gear, wherein the second translation guide rail is arranged on the lifting seat and runs left and right, and the two second translation sliding blocks are arranged on the second translation guide rail and are in sliding fit with the second translation guide rail; the second rotating shaft is rotatably arranged on the lifting seat and runs forwards and backwards, and the second gear is fixedly arranged on the second rotating shaft and positioned between the vertical sections of the two second clamping jaws; the second upper rack is arranged on the upper part of the vertical section of one second clamping jaw and runs left and right, and the second lower rack is arranged on the middle part of the vertical section of the other second clamping jaw and runs left and right; the second upper rack and the second lower rack are respectively arranged on the upper side and the lower side of the second gear and meshed with the second gear; the two second clamping jaws are in one-to-one correspondence with the two second translation sliding blocks, and the two second clamping jaws are respectively and fixedly arranged on the corresponding second translation sliding blocks. The upper parts of the vertical sections of the two second clamping jaws, the second upper racks and the second lower racks jointly enclose a second installation cavity capable of accommodating the second gear, and the lower parts of the vertical sections of the two second clamping jaws and the horizontal sections jointly enclose a second clamping cavity capable of clamping the fracture ends of the ribs. When the second opening and closing control mechanism is required to drive the two second clamping jaws to perform closing action, the second driving mechanism can drive the second rotating shaft and the second gear to rotate positively, and the two second translation sliding blocks are driven to move in opposite directions along the second translation guide rail through the meshing relationship among the second upper rack, the second lower rack and the second gear, so that the two second clamping jaws are driven to be close to each other, a second clamping cavity is formed to clamp the fracture ends of the corresponding ribs, and therefore the two second clamping jaws can be ensured to clamp the fracture ends firmly together; when the second opening and closing control mechanism is required to drive the two second clamping jaws to do opening action, the second driving mechanism can drive the second rotating shaft and the second gear to reversely rotate, and the two second translation sliding blocks are driven to reversely move along the second translation guide rail through the meshing between the second upper rack, the second lower rack and the second gear, so that the two second clamping jaws are driven to be separated from each other, and the corresponding rib fracture ends are loosened.

As a still further preferable mode of the present utility model, the second driving mechanism adopts a second operation handle, and the second operation handle is fixedly installed at the rear end of the second rotating shaft. When the rotary shaft is operated, the second operating handle can be rotated to drive the second rotary shaft to rotate forward or backward.

As another still further preferable scheme of the utility model, the second driving mechanism comprises a second driving motor and a second speed reducer, the second driving motor is fixedly arranged on the lifting seat, and an output shaft of the second driving motor is in transmission connection with the second rotating shaft through the second speed reducer. The second driving motor can adopt a servo motor and is connected with a controller for control.

As a further preferable scheme of the utility model, the front-back translation mechanism comprises at least one guide rod, a translation screw rod and a third driving mechanism for driving the translation screw rod to rotate, wherein the guide rod is arranged on the support frame and runs forwards and backwards, the translation screw rod is rotatably arranged on the support frame and is parallel to the guide rod, a guide hole and a translation screw hole which run forwards and backwards are arranged on the translation seat, the guide rod is positioned in the guide hole and is in sliding fit with the guide hole, and the translation screw rod is positioned in the translation screw hole and is meshed with the translation screw hole. During operation, the translation screw rod can be driven to rotate forwards or backwards through the third driving mechanism, and the translation seat, the lifting mechanism on the translation seat, the lifting seat and the movable rib clamp are driven to translate forwards or backwards along the guide rod for a certain distance by utilizing the meshing relationship between the translation screw hole and the translation screw rod and the sliding fit relationship between the guide rod and the guide hole.

As a further preferable mode of the utility model, the third driving mechanism adopts a third operating handle, and the third operating handle is fixedly arranged at the rear end of the translation screw. During operation, the third operating handle can be rotated to drive the translation screw to rotate in the forward direction or the reverse direction.

As another further preferable scheme of the utility model, the third driving mechanism comprises a third driving motor and a third speed reducer, the third driving motor is fixedly arranged on the translation seat, and an output shaft of the third driving motor is in transmission connection with the third rotating shaft through the third speed reducer. The third driving motor can adopt a servo motor and is connected with a controller for control.

As a further preferable scheme of the utility model, the lifting mechanism comprises a lifting guide rail, a lifting screw and a fourth driving mechanism for driving the lifting screw to rotate; the lifting guide rail is arranged on the translation seat and moves up and down, and the lifting seat is arranged on the lifting guide rail and is in sliding fit with the lifting guide rail; the lifting screw rod is rotatably arranged on the translation seat and is parallel to the lifting guide rail, and the lifting seat is provided with a lifting screw hole meshed with the lifting screw rod. During operation, the fourth driving mechanism can be rotated to drive the lifting screw to rotate forwards or reversely, and the lifting seat and the movable rib clamp are driven to ascend or descend along the lifting guide rail by the meshing relationship between the lifting screw hole and the lifting screw and the sliding fit between the lifting guide rail and the lifting guide rail.

As a further preferable mode of the utility model, the fourth driving mechanism adopts a fourth operating handle, and the fourth operating handle is fixedly arranged at the upper end of the lifting screw. During operation, the lifting screw rod can be driven to rotate forwards or reversely by rotating the fourth operating handle.

As another further preferable scheme of the utility model, the fourth driving mechanism comprises a fourth driving motor and a fourth speed reducer, the fourth driving motor is fixedly arranged on the translation seat, and an output shaft of the fourth driving motor is in transmission connection with the fourth rotating shaft through the fourth speed reducer. The fourth driving motor can adopt a servo motor and is connected with a controller for control.

The front and the back in the specification are respectively: in the bone surgery process of a patient with rib fracture dislocation, one side close to the patient is the front, and the other side far away from the patient is the back.

Compared with the prior art, the utility model has the following advantages:

the rib correction fixing device can assist doctors to correct and fix two dislocated fracture ends after rib fracture in the bone surgery process of patients with dislocated rib fracture, is convenient to operate, and can reduce fracture more accurately, so that the workload of the operators is reduced, and the surgery quality is improved.

Drawings

FIG. 1 is a schematic view of a rib orthotic fixation device according to a preferred embodiment of the present utility model.

FIG. 2 is a schematic view of the structure of a fixed rib clamp in the rib orthotic fixation device of FIG. 1.

FIG. 3 is a schematic view of the structure of a movable rib clip in the rib cage of FIG. 1.

Detailed Description

As shown in fig. 1-3, the rib correction fixing device comprises a support frame 1, a fixed rib clamp 2, a movable rib clamp 3, a translation seat 4, a front-back translation mechanism 5 for driving the translation seat 4 to translate back and forth, a lifting seat 6 and a lifting mechanism 7 for driving the lifting seat 6 to lift, wherein the fixed rib clamp 2 is arranged on the support frame 1, the fixed rib clamp 2 comprises two first clamping jaws 21 which are matched with each other and a first opening and closing control mechanism 22 which can drive the two first clamping jaws 21 to open and close, the first opening and closing control mechanism 22 is arranged on the support frame 1, and the two first clamping jaws 21 are oppositely arranged left and right and are respectively connected with two power output ends of the first opening and closing control mechanism 22; the front-back translation mechanism 5 is arranged on the support frame 1, the lifting mechanism 7 is arranged on the translation seat 4, the movable rib clamp 3 is arranged on the lifting seat 6, and the movable rib clamp 3 is positioned behind the fixed rib clamp 2 and is matched with the fixed rib clamp 2; the movable rib clamp 3 comprises two second clamping jaws 31 which are matched with each other and a second opening and closing control mechanism 32 for driving the two second clamping jaws 31 to open and close, the second opening and closing control mechanism 32 is arranged on the lifting seat 6, and the two second clamping jaws 31 are arranged side by side left and right and are respectively connected with two power output ends of the second opening and closing control mechanism 32.

In this embodiment, the first clamping jaw 21 is L-shaped, and has a vertical section 211 and a horizontal section 212, one end of the horizontal section 212 of the first clamping jaw 21 is connected with the lower end of the vertical section 211, and the horizontal sections 212 of the two first clamping jaws 21 are oppositely arranged; the first opening and closing control mechanism 22 comprises a first translation guide rail 221, two first translation sliding blocks 222, a first rotating shaft 223, a first driving mechanism 224 for driving the first rotating shaft 223 to rotate, a first upper rack 225, a first lower rack 226 and a first gear 227, wherein the first translation guide rail 221 is arranged on the support frame 1 and runs left and right, and the two first translation sliding blocks 222 are arranged on the first translation guide rail 221 and are in sliding fit with the first translation guide rail 221; the first rotating shaft 223 is rotatably installed on the support frame 1 and runs back and forth, and the first gear 227 is fixedly installed on the first rotating shaft 223 and is positioned between the vertical sections 211 of the two first clamping jaws 21; the first upper rack 225 is disposed on the upper portion of the vertical section 211 of one first clamping jaw 21 and is oriented left and right, and the first lower rack 226 is disposed on the middle portion of the vertical section 211 of the other first clamping jaw 21 and is oriented left and right; the first upper rack 225 and the first lower rack 226 are respectively positioned on the upper side and the lower side of the first gear 227 and meshed with the first gear 227; the first driving mechanism 224 includes a transmission shaft 2241, a first operating handle 2242, a driving pulley 2243, a driven pulley 2244, and an annular synchronous belt 2245, the transmission shaft 2241 is rotatably installed on the support frame 1 and extends forward and backward, the first operating handle 2242 is fixedly installed at the rear end of the transmission shaft 2241, the driving pulley 2243 is fixedly installed at the front end of the transmission shaft 2241, the driven pulley 2244 is fixedly installed on the first rotation shaft 223, and the annular synchronous belt 2245 is commonly tensioned by the driving pulley 2243 and the driven pulley 2244; the two first clamping jaws 21 are in one-to-one correspondence with the two first translation sliding blocks 222, and the two first clamping jaws 21 are respectively fixedly installed on the corresponding first translation sliding blocks 222. The upper parts of the vertical sections 211, the first upper racks 225 and the first lower racks 226 of the two first clamping jaws 21 jointly enclose a first mounting cavity 201 capable of accommodating the first gear 227, and the lower parts of the vertical sections 211 and the horizontal sections 212 of the two first clamping jaws 21 jointly enclose a first clamping cavity 202 capable of clamping a fracture end of a rib. When the first opening and closing control mechanism 22 is required to drive the two first clamping jaws 21 to perform the closing action, the first operating handle 2242 can be rotated to drive the transmission shaft 2241 and the driving pulley 2243 to rotate, then the annular synchronous belt 2245 and the driven pulley 2244 drive the first rotating shaft 223 and the first gear 227 to rotate forward, and the two first translation sliders 222 are driven to move along the first translation guide rail 221 in opposite directions through the meshing relationship between the first upper rack 225, the first lower rack 226 and the first gear 227, so that the two first clamping jaws 21 are driven to approach each other, and the first clamping cavity 202 is formed to clamp the corresponding rib fracture ends, so that the two first clamping jaws 21 can jointly and firmly clamp the fracture ends; when the first opening and closing control mechanism 22 is required to drive the two first clamping jaws 21 to perform opening action, the first operating handle 2242 is rotated to drive the transmission shaft 2241 and the driving pulley 2243 to rotate, the annular synchronous belt 2245 and the driven pulley 2244 are then used to drive the first rotating shaft 223 and the first gear 227 to reversely rotate, and the first upper rack 225, the first lower rack 226 and the first gear 227 are meshed to drive the two first translation sliders 222 to move back along the first translation guide rail 221, so that the two first clamping jaws 21 are driven to be separated from each other, and the corresponding rib fracture ends are loosened.

In this embodiment, the second clamping jaw 31 is L-shaped, and has a vertical section 311 and a horizontal section 312, one end of the horizontal section 312 of the second clamping jaw 31 is connected with the lower end of the vertical section 311, and the horizontal sections 312 of the two second clamping jaws 31 are oppositely arranged; the second opening and closing control mechanism 32 comprises a second translation guide rail 321, two second translation sliding blocks 322, a second rotating shaft 323, a second operating handle 324, a second upper rack 325, a second lower rack 326 and a second gear 327, wherein the second translation guide rail 321 is arranged on the lifting seat 6 and extends left and right, and the two second translation sliding blocks 322 are arranged on the second translation guide rail 321 and are in sliding fit with the second translation guide rail 321; the second rotating shaft 323 is rotatably arranged on the lifting seat 6 and runs forwards and backwards, the second operating handle 324 is fixedly arranged at the rear end of the second rotating shaft 323, and the second gear 327 is fixedly arranged on the second rotating shaft 323 and positioned between the vertical sections 311 of the two second clamping jaws 31; the second upper rack 325 is disposed on the upper portion of the vertical section 311 of one second jaw 31 and is oriented left and right, and the second lower rack 326 is disposed on the middle portion of the vertical section 311 of the other second jaw 31 and is oriented left and right; the second upper rack 325 and the second lower rack 326 are respectively positioned on the upper side and the lower side of the second gear 327 and meshed with the second gear 327; the two second clamping jaws 31 are in one-to-one correspondence with the two second translation sliders 322, and the two second clamping jaws 31 are respectively fixedly mounted on the corresponding second translation sliders 322. The upper parts of the vertical sections 311, the second upper racks 325 and the second lower racks 326 of the two second clamping jaws 31 together enclose a second mounting cavity 301 capable of accommodating a second gear 327, and the lower parts of the vertical sections 311 and the horizontal sections 312 of the two second clamping jaws 31 together enclose a second clamping cavity 302 capable of clamping a fracture end of a rib. When the second opening and closing control mechanism 32 is required to drive the two second clamping jaws 31 to perform the closing action, the second operating handle 324 can be rotated to drive the second rotating shaft 323 and the second gear 327 to rotate positively, and the two second translation sliding blocks 322 are driven to move along the second translation guide rails 321 in opposite directions through the meshing relationship between the second upper racks 325 and the second lower racks 326 and the second gear 327, so that the two second clamping jaws 31 are driven to approach each other to form the second clamping cavity 302 to clamp the fracture ends of the corresponding ribs, and therefore the two second clamping jaws 31 can be ensured to clamp the fracture ends firmly together; when the second opening and closing control mechanism 32 is required to drive the two second clamping jaws 31 to open, the second operating handle 324 is rotated to drive the second rotating shaft 323 and the second gear 327 to rotate reversely, and the two second sliding blocks 322 are driven to move back along the second sliding guide rail 321 by the engagement between the second upper rack 325, the second lower rack 326 and the second gear 327, so that the two second clamping jaws 31 are driven to separate from each other, and the corresponding rib fracture ends are loosened.

In this embodiment, the front-rear translation mechanism 5 includes a guide rod 51, a translation screw rod 52 and a third operating handle 53, where the guide rod 51 is mounted on the support frame 1 and runs in front-rear direction, the translation screw rod 52 is rotatably mounted on the support frame 1 and parallel to the guide rod 51, the third operating handle 53 is fixedly mounted at the rear end of the translation screw rod 52, the translation seat 4 is provided with a guide hole 401 running in front-rear direction and a translation screw hole 402, the guide rod 51 is in the guide hole 401 and is in sliding fit with the guide hole 401, and the translation screw rod 52 is in the translation screw hole 402 and is meshed with the translation screw hole 402. In operation, the third operating handle 53 can be rotated to drive the translation screw 52 to rotate forward or backward, and the translation seat 4 and the lifting mechanism 7, the lifting seat 6 and the movable rib clamp 3 thereon are driven to translate forward or backward along the guide rod 51 for a certain distance by utilizing the engagement relationship between the translation screw hole 402 and the translation screw 52 and the sliding fit relationship between the guide rod 51 and the guide hole 401.

In the present embodiment, the lifting mechanism 7 includes a lifting guide rail 71, a lifting screw 72, and a fourth operating handle 73; the lifting guide rail 71 is arranged on the translation seat 4 and runs up and down, and the lifting seat 6 is arranged on the lifting guide rail 71 and is in sliding fit with the lifting guide rail 71; the lifting screw 72 is rotatably installed on the translation seat 4 and parallel to the lifting guide rail 71, the fourth operating handle 73 is fixedly installed at the upper end of the lifting screw 72, and the lifting seat 6 is provided with a lifting screw hole 601 meshed with the lifting screw 72. In operation, the fourth operating handle 73 can be rotated to drive the lifting screw 72 to rotate forward or backward, and the lifting seat 6 and the movable rib fixture 3 are driven to ascend or descend along the lifting guide rail 71 by the engagement relationship between the lifting screw hole 601 and the lifting screw 72 and the sliding fit between the lifting guide rail 71.

The following briefly describes the method for using the rib correction fixing device:

in the bone surgery process of a patient with dislocated rib fracture, the first opening and closing control mechanism 22 of the fixed rib clamp 2 can drive the two first clamping jaws 21 to perform closing action, so that the two first clamping jaws 21 are mutually close until the two first clamping jaws jointly clamp one fracture end, and the second opening and closing control mechanism 32 of the movable rib clamp 3 can drive the two second clamping jaws 31 to perform closing action, so that the two second clamping jaws 31 are mutually close until the two second clamping jaws jointly clamp the other fracture end; then, the front-back translation mechanism 5 drives the translation seat 4 and the lifting mechanism 7, the lifting seat 6 and the movable rib clamp 3 on the translation seat to translate backwards, so that the movable rib clamp 3 is separated from the fixed rib clamp 2, the fracture pairs of the two fracture ends are pulled apart, and the two fracture ends are not partially overlapped; then, the lifting seat 6 and the movable rib clamp 3 are driven to ascend or descend through the lifting mechanism 7, so that the broken ends of the fracture ends clamped by the movable rib clamp 3 reach the same height position as the fracture ends clamped by the fixed rib clamp 2, and the two fracture ends which are dislocated after the rib fracture are corrected; then, the translation seat 4 and the lifting mechanism 7, the lifting seat 6 and the movable rib clamp 3 on the translation seat are driven by the front-back translation mechanism 5 to translate forwards, so that the broken ends of the two fracture ends are butted together; finally, the two fracture ends are connected and fixed by a rib embracing device.

In addition, it should be noted that, in the specific embodiments described in the present specification, names of various parts and the like may be different, and all equivalent or simple changes of the structures, features and principles described in the conception of the present utility model are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A rib correction fixation device, characterized in that: comprises a supporting frame, a fixed rib clamp, a movable rib clamp and a clamp driving mechanism for driving the movable rib clamp to do lifting and forward-backward translation movements; the fixed rib clamp and the clamp driving mechanism are both arranged on the support frame, and the movable rib clamp is arranged at the rear part of the fixed rib clamp and matched with the fixed rib clamp.

2. A rib orthotic fixation apparatus as claimed in claim 1, wherein: the fixed rib clamp comprises two first clamping jaws which are matched with each other and a first opening and closing control mechanism which can drive the two first clamping jaws to do opening and closing actions, the first opening and closing control mechanism is arranged on the supporting frame, and the two first clamping jaws are oppositely arranged left and right and are respectively connected with two power output ends of the first opening and closing control mechanism.

3. A rib-correcting fixation device as claimed in claim 2, wherein: the first clamping jaw is L-shaped and is provided with a vertical section and a horizontal section, one end of the horizontal section of the first clamping jaw is connected with the lower end of the vertical section, and the horizontal sections of the two first clamping jaws are oppositely arranged; the first opening and closing control mechanism comprises a first translation guide rail, two first translation sliding blocks, a first rotating shaft, a first driving mechanism for driving the first rotating shaft to rotate, a first upper rack, a first lower rack and a first gear, wherein the first translation guide rail is arranged on the support frame and runs left and right, and the two first translation sliding blocks are arranged on the first translation guide rail and are in sliding fit with the first translation guide rail; the first rotating shaft is rotatably arranged on the support frame and runs forwards and backwards, and the first gear is fixedly arranged on the first rotating shaft and positioned between the vertical sections of the two first clamping jaws; the first upper rack is arranged on the upper part of the vertical section of one first clamping jaw and runs left and right, and the first lower rack is arranged on the middle part of the vertical section of the other first clamping jaw and runs left and right; the first upper rack and the first lower rack are respectively arranged on the upper side and the lower side of the first gear and meshed with the first gear; the two first clamping jaws are in one-to-one correspondence with the two first translation sliding blocks, and the two first clamping jaws are respectively and fixedly arranged on the corresponding first translation sliding blocks.

4. A rib-correcting fixation device as defined in claim 3, wherein: the first driving mechanism comprises a transmission shaft, a first operating handle, a driving belt pulley, a driven belt pulley and an annular synchronous belt, wherein the transmission shaft is rotatably installed on the support frame and runs forwards and backwards, the first operating handle is fixedly installed at the rear end of the transmission shaft, the driving belt pulley is fixedly installed at the front end of the transmission shaft, the driven belt pulley is fixedly installed on the first rotating shaft, and the annular synchronous belt is tensioned jointly by the driving belt pulley and the driven belt pulley.

5. A rib-correcting fixation device according to any one of claims 1-4, wherein: the fixture driving mechanism comprises a translation seat, a front-back translation mechanism for driving the translation seat to translate back and forth, a lifting seat and a lifting mechanism for driving the lifting seat to lift, wherein the front-back translation mechanism is installed on the support frame, the lifting mechanism is installed on the translation seat, and the movable rib fixture is installed on the lifting seat.

6. A rib-correcting fixation device as defined in claim 5, wherein: the movable rib clamp comprises two second clamping jaws which are matched with each other and a second opening and closing control mechanism for driving the two second clamping jaws to open and close, the second opening and closing control mechanism is arranged on the lifting seat, and the two second clamping jaws are arranged side by side left and right and are respectively connected with two power output ends of the second opening and closing control mechanism.

7. A rib-correcting fixation device as defined in claim 6, wherein: the second clamping jaw is L-shaped and is provided with a vertical section and a horizontal section, one end of the horizontal section of the second clamping jaw is connected with the lower end of the vertical section, and the horizontal sections of the two second clamping jaws are oppositely arranged; the second opening and closing control mechanism comprises a second translation guide rail, two second translation sliding blocks, a second rotating shaft, a second driving mechanism for driving the second rotating shaft to rotate, a second upper rack, a second lower rack and a second gear, wherein the second translation guide rail is arranged on the lifting seat and runs left and right, and the two second translation sliding blocks are arranged on the second translation guide rail and are in sliding fit with the second translation guide rail; the second rotating shaft is rotatably arranged on the lifting seat and runs forwards and backwards, and the second gear is fixedly arranged on the second rotating shaft and positioned between the vertical sections of the two second clamping jaws; the second upper rack is arranged on the upper part of the vertical section of one second clamping jaw and runs left and right, and the second lower rack is arranged on the middle part of the vertical section of the other second clamping jaw and runs left and right; the second upper rack and the second lower rack are respectively arranged on the upper side and the lower side of the second gear and meshed with the second gear; the two second clamping jaws are in one-to-one correspondence with the two second translation sliding blocks, and the two second clamping jaws are respectively and fixedly arranged on the corresponding second translation sliding blocks.

8. A rib-correcting fixation device as defined in claim 5, wherein: the front-back translation mechanism comprises at least one guide rod, a translation screw rod and a third driving mechanism for driving the translation screw rod to rotate, the guide rod is mounted on the support frame and runs forward and backward, the translation screw rod is rotatably mounted on the support frame and parallel to the guide rod, a guide hole and a translation screw hole which run forward and backward are formed in the translation seat, the guide rod is located in the guide hole and is in sliding fit with the guide hole, and the translation screw rod is located in the translation screw hole and is meshed with the translation screw hole.

9. A rib-correcting fixation device as defined in claim 5, wherein: the lifting mechanism comprises a lifting guide rail, a lifting screw and a fourth driving mechanism for driving the lifting screw to rotate; the lifting guide rail is arranged on the translation seat and moves up and down, and the lifting seat is arranged on the lifting guide rail and is in sliding fit with the lifting guide rail; the lifting screw rod is rotatably arranged on the translation seat and is parallel to the lifting guide rail, and the lifting seat is provided with a lifting screw hole meshed with the lifting screw rod.