CN211484711U

CN211484711U - Hip joint replacement operation struts ware

Info

Publication number: CN211484711U
Application number: CN201921796947.2U
Authority: CN
Inventors: 李进圣; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-09-15
Anticipated expiration: 2029-10-24

Abstract

The utility model belongs to the field of medical equipment, in particular to a spreader for hip joint replacement surgery, which aims at the problems of complex operation and poor effect of the existing spreader, easy injury to human body, easy retention of sequelae such as lameness and the like and the following problems in lifetime, and proposes a proposal that comprises a fixed seat, wherein the fixed seat is provided with a fixed cavity, the top of the fixed seat is fixedly connected with a fixed frame, the inner walls of the two sides of the fixed frame are fixedly connected with motors, the output shafts of the two motors are fixedly sleeved with reels, and the inner wall of the top of the fixed frame is symmetrically provided with two pulleys, the utility model has reasonable structure, can move two arc push plates in the direction away from each other by the operation of the motors, further can spread the bones at the two ends of the original joint, further facilitates the operation of doctors, has simple operation and good effect, and the medical cushion can protect the human body, thereby facilitating later recovery.

Description

Hip joint replacement operation struts ware

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a hip joint replacement operation struts ware.

Background

Hip fracture is a very common fracture type in clinic, the occurrence rate and the operation rate of fracture are high in all areas, hip joint replacement surgery is a common but difficult surgery mode, jacking force needs to be applied to bones at two ends of an original joint in the hip joint replacement surgery, and therefore the surgery is convenient to carry out, and a spreader is a universal tool.

However, the existing distractor is complex to operate, has poor effect, is easy to cause injury to human bodies, is easy to leave sequelae such as lameness and the like, and is accompanied with lifetime, so that a hip replacement surgery distractor is provided for solving the problems.

Disclosure of Invention

The utility model aims at solving the problems that the existing spreader in the prior art has complex operation and poor effect, easily causes injury to human body, easily leaves over sequelae such as lameness and the like, and has the defects of lifetime, and providing the spreader for hip joint replacement surgery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a spreader for hip joint replacement surgery comprises a fixed base, wherein the fixed base is provided with a fixed cavity, the top of the fixed base is fixedly connected with a fixed frame, the inner walls of two sides of the fixed frame are both fixedly connected with motors, the output shafts of the two motors are both fixedly sleeved with reels, the inner wall of the top of the fixed frame is symmetrically provided with two pulleys, the reels and the pulleys are wound with a same pull rope, the inner wall of the top of the fixed frame is rotatably connected with a ball screw, the bottom end of the ball screw penetrates through the top of the fixed base and is rotatably connected with the inner wall of the bottom of the fixed cavity, the ball screw is in threaded connection with a screw nut, one end of each of the two pull ropes is fixedly connected with the top of the screw nut, the ball screw is in symmetrical transmission connection with two rotating shafts, and the top ends, the bottom of two pivots is all fixed the cover and is equipped with first gear, the meshing has the rack on the first gear, the equal fixedly connected with montant in bottom of two racks, the bottom inner wall of fixed cavity is all run through and extends to the bottom below of fixing base to the bottom of two montants, the equal fixedly connected with arc push pedal in bottom of two montants, one side that two arc push pedals were kept away from each other all is equipped with medical blotter, work through the motor just can make two arc push pedals remove to the direction of keeping away from each other, and then can strut the bone at former joint both ends, and then make things convenient for the doctor to perform the operation, and the operation is simple, and is effectual, and can protect the human body through medical blotter, make things convenient for the later stage to resume, the not enough that.

Preferably, two first springs of the top symmetry fixedly connected with of screw nut, the top of two first springs all with the top inner wall fixed connection of fixed frame, set up first spring, can carry on spacingly to screw nut, prevent that screw nut can rotate along with ball.

Preferably, the ball screw is fixedly sleeved with a second gear, the two rotating shafts are fixedly sleeved with third gears, the second gear is meshed with the two third gears, and the second gear and the third gears are arranged to provide power for the rotating shafts.

Preferably, equal fixedly connected with spacing seat on the both sides inner wall of fixed cavity, the spacing groove has all been seted up to one side that two spacing seats are close to each other, and equal sliding connection has the sliding plate in two spacing inslots, and the equal fixedly connected with connecting rod in one side that two sliding plates are close to each other, one side that two racks were kept away from each other respectively with the one end fixed connection that two connecting rods are close to each other, through setting up spacing groove, sliding plate and connecting rod, can make the rack can steady movement, can not take place the skew.

Preferably, the two sliding plates are fixedly connected with second springs on one sides away from each other, and one ends, away from each other, of the two second springs are fixedly connected with the inner wall on one side, away from each other, of the two limiting grooves respectively, and the second springs are arranged to provide reset power for the racks.

The utility model discloses in, a hip replacement surgery struts ware, owing to set up two motors, two motors can make two reels rotate respectively, two reels can tighten up the stay cord, and then can make screw nut rebound, screw nut removes and can make ball rotate, ball is under the effect of second gear and two third gears, can make two pivots rotate to opposite direction, and then can drive two racks respectively through first gear and remove to the direction of keeping away from each other, just so can make two arc push pedals remove to opposite direction, and then can strut the bone at former joint both ends, and then make things convenient for the doctor to perform the operation.

Owing to set up medical blotter, can cushion the arc push pedal, can protect former joint simultaneously, make the arc push pedal can not cause the damage to the human body, make things convenient for the later stage to resume.

The utility model discloses it is rational in infrastructure, just can make two arc push pedals remove to the direction of keeping away from each other through the work of motor, and then can strut the bone at former joint both ends, and then make things convenient for the doctor to perform the operation, easy operation, respond well, and can protect the human body through medical blotter, make things convenient for the later stage to resume.

Drawings

Fig. 1 is a schematic main sectional structural view of a spreader for hip replacement surgery according to the present invention;

fig. 2 is a schematic view of a gear and rack meshing structure of a spreader for hip replacement surgery according to the present invention;

fig. 3 is an enlarged schematic structural view of a portion a of the spreader for hip replacement surgery according to the present invention.

In the figure: the device comprises a fixed seat 1, a fixed chamber 2, a fixed frame 3, a motor 4, a reel 5, a pull rope 6, a pulley 7, a ball screw 8, a screw nut 9, a rotating shaft 10, a first gear 11, a rack 12, a vertical rod 13, a cambered push plate 14, a medical cushion 15, a first spring 16, a second gear 17, a third gear 18, a limiting seat 19, a limiting groove 20, a sliding plate 21, a connecting rod 22 and a second spring 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a spreader for hip replacement surgery comprises a fixing base 1, wherein the fixing base 1 is provided with a fixing cavity 2, the top of the fixing base 1 is fixedly connected with a fixing frame 3, the inner walls of two sides of the fixing frame 3 are fixedly connected with motors 4, the output shafts of the two motors 4 are fixedly sleeved with reels 5, the inner wall of the top of the fixing frame 3 is symmetrically provided with two pulleys 7, the same pull rope 6 is wound on the reels 5 and the pulleys 7, the inner wall of the top of the fixing frame 3 is rotatably connected with a ball screw 8, the bottom end of the ball screw 8 penetrates through the top of the fixing base 1 and is rotatably connected with the inner wall of the bottom of the fixing cavity 2, the ball screw 8 is in threaded connection with a screw nut 9, one end of each of the two pull ropes 6 is fixedly connected with the top of the screw nut 9, the ball screw 8 is symmetrically and drivingly connected with two rotating, the bottom ends of the two rotating shafts 10 are fixedly sleeved with a first gear 11, the first gear 11 is meshed with a rack 12, the bottom parts of the two racks 12 are fixedly connected with vertical rods 13, the bottom ends of the two vertical rods 13 penetrate through the inner wall of the bottom part of the fixed chamber 2 and extend to the lower part of the bottom part of the fixed seat 1, the bottom ends of the two vertical rods 13 are fixedly connected with arc-shaped push plates 14, one sides, far away from each other, of the two arc-shaped push plates 14 are provided with medical cushions 15, the two arc-shaped push plates 14 can move towards the directions far away from each other through the work of the motor 4, so that bones at two ends of an original joint can be spread, further, the operation of a doctor is facilitated, the operation is simple, the effect is good, the human body can be protected through the medical cushions 15, the later recovery is convenient, the defects in the prior art are overcome, because the two motors, the two reels 5 can tighten up the pull rope 6, so as to enable the screw nut 9 to move upwards, the screw nut 9 can move to enable the ball screw 8 to rotate, the ball screw 8 can enable the two rotating shafts 10 to rotate in opposite directions under the action of the second gear 17 and the two third gears 18, so as to respectively drive the two racks 12 to move in directions away from each other through the first gear 11, so that the two arc-shaped push plates 14 can move in opposite directions, so as to further prop open bones at two ends of an original joint, thereby facilitating the operation of a doctor, and due to the arrangement of the medical buffer cushion 15, the arc-shaped push plates 14 can be buffered, and simultaneously, the original joint can be protected, so that the arc-shaped push plates 14 can not cause damage to a human body, thereby facilitating the later recovery, the utility model has reasonable structure, the two arc-shaped push plates 14 can move in directions away from each other through the work of the motor 4, and then can strut the bone at former joint both ends, and then make things convenient for the doctor to perform the operation, easy operation, respond well, and can protect the human body through medical blotter 15, make things convenient for the later stage to resume.

Example two

The utility model discloses in, two first springs 16 of top symmetry fixedly connected with of screw nut 9, the top of two first springs 16 all with the top inner wall fixed connection of fixed frame 3, set up first spring 16, can carry on spacingly to screw nut 9, prevent that screw nut 9 can rotate along with ball 8.

The utility model discloses in, fixed cover is equipped with second gear 17 on the ball 8, and all fixed covers are equipped with third gear 18 on two pivots 10, and second gear 17 all meshes with two third gears 18 mutually, sets up second gear 17 and third gear 18, can provide power for pivot 10.

The utility model discloses in, equal fixedly connected with spacing seat 19 on the both sides inner wall of fixed cavity 2, spacing groove 20 has all been seted up to one side that two spacing seats 19 are close to each other, equal sliding connection has sliding plate 21 in two spacing grooves 20, the equal fixedly connected with connecting rod 22 in one side that two sliding plates 21 are close to each other, one side that two racks 12 were kept away from each other is respectively with the one end fixed connection that two connecting rods 22 are close to each other, through setting up spacing groove 20, sliding plate 21 and connecting rod 22, can make rack 12 can steady movement, the skew can not take place.

The utility model discloses in, the equal fixedly connected with second spring 23 in one side that two sliding plates 21 kept away from each other, one end that two second springs 23 kept away from each other respectively with two spacing grooves 20 one side inner wall fixed connection who keeps away from each other set up second spring 23, can provide the power that resets for rack 12.

In the utility model, when in use, firstly, two arc push plates 14 are placed on the bones at two ends of the original joint of a patient, the medical buffer pad 15 can buffer the arc push plates 14 to prevent the injury to the human body, then two motors 4 are started simultaneously, the output shafts of the two motors 4 can respectively rotate two reels 5, the two reels 5 can respectively tighten up two pull ropes 6, the two pull ropes 6 can upwards pull the screw nut 9 to move the screw nut 9, because the screw nut 9 is in threaded connection with the ball screw 8, the ball screw 8 can be rotated by the movement of the screw nut 9, the rotation of the ball screw 8 can drive the second gear 17 to rotate, the second gear 17 can drive the two third gears 18 to rotate in opposite directions, the two third gears 18 can respectively drive the two rotating shafts 10 to rotate, the two rotating shafts 10 can respectively drive the two first gears 11 to rotate, two first gears 11 can make two racks 12 move to opposite direction, and two racks 12 can drive two arc push pedal 14 through two risers 13 and move to the direction of keeping away from each other, and then can strut the bone at former joint both ends, and then make things convenient for the doctor to perform the operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a hip joint replacement surgery struts ware, includes fixing base (1), its characterized in that, fixing base (1) is equipped with fixed cavity (2), the fixed frame (3) of top fixedly connected with of fixing base (1), equal fixedly connected with motor (4) on the both sides inner wall of fixed frame (3), equal fixed cover is equipped with reel (5) on the output shaft of two motor (4), the symmetry is equipped with two pulleys (7) on the top inner wall of fixed frame (3), the winding is equipped with same stay cord (6) on reel (5) and pulley (7), it is connected with ball (8) to rotate on the top inner wall of fixed frame (3), the bottom of ball (8) runs through the top of fixing base (1) and is connected with the bottom inner wall rotation of fixed cavity (2), threaded connection has lead screw nut (9) on ball (8), the one end of two stay cords (6) all with the top fixed connection of screw nut (9), symmetrical transmission is connected with two pivot (10) on ball (8), the top of two pivot (10) all rotates with the top inner wall of fixed cavity (2) to be connected, the bottom of two pivot (10) is all fixed the cover and is equipped with first gear (11), the meshing has rack (12) on first gear (11), the equal fixedly connected with montant (13) in bottom of two rack (12), the bottom of two montants (13) all runs through the bottom inner wall of fixed cavity (2) and extends to the bottom below of fixing base (1), the equal fixedly connected with arc push pedal (14) in bottom of two montants (13), one side that two arc push pedal (14) kept away from each other all is equipped with medical blotter (15).

2. The spreader for the hip replacement surgery according to claim 1, characterized in that two first springs (16) are symmetrically and fixedly connected to the top of the screw nut (9), and the top ends of the two first springs (16) are fixedly connected to the top inner wall of the fixed frame (3).

3. The spreader for hip replacement surgery as recited in claim 1, wherein the ball screw (8) is fixedly sleeved with a second gear (17), the two rotating shafts (10) are respectively fixedly sleeved with a third gear (18), and the second gear (17) is respectively meshed with the two third gears (18).

4. The spreader for the hip replacement surgery according to claim 1, wherein the inner walls of the two sides of the fixing chamber (2) are fixedly connected with limiting seats (19), one side of each of the two limiting seats (19) close to each other is provided with a limiting groove (20), the two limiting grooves (20) are respectively connected with sliding plates (21) in a sliding manner, one side of each of the two sliding plates (21) close to each other is fixedly connected with a connecting rod (22), and one side of each of the two racks (12) far away from each other is respectively fixedly connected with one end of each of the two connecting rods (22) close to each other.

5. The spreader for hip replacement surgery according to claim 4, characterized in that the sides of the two sliding plates (21) far away from each other are fixedly connected with second springs (23), and the ends of the two second springs (23) far away from each other are fixedly connected with the inner walls of the sides of the two limiting grooves (20) far away from each other.