CN213697147U

CN213697147U - Vertebral universal restorer for orthopedic spinal surgery

Info

Publication number: CN213697147U
Application number: CN202022510578.5U
Authority: CN
Inventors: 赵健; 张子茹; 董鑫; 李存孝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-07-16
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses an universal restorer of centrum for bone backbone operation, including supporting the slide bar, it has cup jointed the sliding sleeve to support slide bar surface slip, the sliding sleeve top is equipped with first set screw, sliding sleeve bottom fixedly connected with electric putter, the first threaded rod of electric putter bottom fixedly connected with, first threaded rod bottom fixedly connected with connecting plate, the connecting plate bottom is equipped with fixture, fixture includes the fixed block, the inside spout of having seted up of fixed block, the fixed block top is equipped with rotates the cover. The utility model discloses a set up fixture, can make the device more quick to the centre gripping of centrum, it is more convenient to fix simultaneously, is favorable to saving the time of performing the operation to improve the success rate of performing the operation, can realize the fine setting of device vertical height through the cooperation of screw ring and first threaded rod, thereby make the centre gripping precision of device rise, be favorable to the person of facilitating the use's use.

Description

Vertebral universal restorer for orthopedic spinal surgery

Technical Field

The utility model relates to the field of medical equipment, concretely relates to universal restorer of centrum for orthopedics backbone operation.

Background

With the progress of medical technology, reduction fixation after the complete resection of a diseased vertebral body or a malformed vertebral body has been performed clinically. In the process of the operation, reliable temporary fixation and accurate operation reduction are carried out between the upper vertebral body and the lower vertebral body of the diseased vertebral body or the malformed vertebral body which need to be completely removed, which is an important link for the success of the operation.

However, in actual use, at present, when such an operation is performed clinically, the existing spinal internal fixator is used for temporary fixation between the upper section and the lower section of a diseased vertebral body or a malformed vertebral body which needs to be completely resected, the installation is complex, the internal fixator can hinder the operation of the operation, the operation resetting is realized by using tools such as the existing rod holding forceps and completely relying on manpower, the operation resetting is not stable enough, the burden of medical staff is increased, and the reliability and the accuracy are required to be improved.

Therefore, it is necessary to invent a universal vertebral body repositor for orthopedic spinal surgery to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an universal restorer of centrum for orthopedics backbone operation, through setting up fixture, can make the device more quick to the centre gripping of centrum, it is more convenient simultaneously to fix, is favorable to saving the time of performing the operation to improve the success rate of operation, can realize the fine setting of device vertical height through the cooperation of screw ring and first threaded rod, thereby make the centre gripping precision of device rise, be favorable to the person of facilitating the use's use, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: a centrum universal restorer for orthopedic spine surgery comprises a supporting slide bar, wherein a slide sleeve is sleeved on the surface of the supporting slide bar in a sliding manner, a first positioning screw is arranged at the top of the slide sleeve, an electric push rod is fixedly connected to the bottom of the slide sleeve, a first threaded rod is fixedly connected to the bottom of the electric push rod, a connecting plate is fixedly connected to the bottom of the first threaded rod, and a clamping mechanism is arranged at the bottom of the connecting plate;

the clamping mechanism comprises a fixed block, a sliding groove is formed in the fixed block, a rotating sleeve is arranged at the top of the fixed block, a rotating rod is rotatably connected in the rotating sleeve, the top of the rotating rod extends to the outer side of the rotating sleeve, the bottom of the rotating rod penetrates through the fixed block and extends into the sliding groove, a toothed ring is fixedly connected to the outer side of one end of the rotating rod extending into the sliding groove, a first rack is meshed to one side of the toothed ring, a second rack is meshed to the other side of the toothed ring, one end of the first rack extends to the outer side of the fixed block, a first clamping plate is fixedly connected to one end of the first rack extending to the outer side of the fixed block, one end of the second rack extends to the outer side of the fixed block, a second clamping plate is fixedly connected to one end of the second rack extending to the outer side of the fixed block, a second threaded rod is in threaded connection, the second threaded rod extends to the first knob of one end fixedly connected with in the bull stick outside, bull stick outside fixedly connected with second knob.

Preferably, the outer side of the connecting plate is rotatably connected with a rotating ring, the surface of the rotating ring is provided with two through holes, the two through holes are symmetrically distributed around the center line of the rotating ring, and the outer side of the rotating ring is provided with a second positioning screw.

Preferably, the rotating sleeve is provided with a sliding rod on one side, the bottom of the sliding rod is fixedly connected with the fixed block, the number of the sliding rods is two, the two sliding rods are symmetrically distributed about the center line of the fixed block, and the tops of the two sliding rods penetrate through the through holes and extend to the tops of the rotating rings.

Preferably, the top of the sliding rod is provided with a connecting ring, the top of the sliding rod is fixedly connected with the connecting ring, the inner side of the connecting ring is rotatably connected with a threaded ring, and the inner side of the threaded ring is in threaded connection with the first threaded rod.

Preferably, the thickness of the threaded ring is larger than that of the connecting ring, and anti-slip stripes are arranged on the outer sides of the threaded ring, the first knob and the second knob.

Preferably, the two sides of the support slide bar are fixedly connected with support rods, the bottom of each support rod is fixedly connected with a first fixing plate, the bottom of each first fixing plate is provided with a second fixing plate, and a fixing bolt is arranged between the first fixing plate and the second fixing plate.

In the technical scheme, the utility model provides a technological effect and advantage:

through setting up fixture, can make the device more quick to the centre gripping of centrum, it is more convenient to fix simultaneously, is favorable to saving the time of performing the operation to improve the success rate of performing the operation, can realize the fine setting of device vertical height through the cooperation of screw ring and first threaded rod, thereby make the centre gripping precision of device rise, be favorable to the person of facilitating the use's use.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of the clamping mechanism of the present invention;

FIG. 4 is a sectional view of the fixing block of the present invention;

FIG. 5 is a top sectional view of the rotating ring of the present invention;

fig. 6 is a top view of the threaded ring of the present invention.

Description of reference numerals:

the device comprises a support sliding rod 1, a sliding sleeve 2, a first positioning screw 3, an electric push rod 4, a first threaded rod 5, a connecting plate 6, a clamping mechanism 7, a fixed block 8, a sliding groove 9, a rotating rod 10, a toothed ring 11, a first rack 12, a second rack 13, a first clamping plate 14, a second clamping plate 15, a second threaded rod 16, a first knob 17, a second knob 18, a rotating ring 19, a second positioning screw 20, a sliding rod 21, a connecting ring 22, a threaded ring 23, a supporting rod 24, a first fixing plate 25 and a second fixing plate 26.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a centrum universal restorer for orthopedic spine surgery as shown in figures 1-6, which comprises a supporting slide bar 1, a sliding sleeve 2 is sleeved on the surface of the supporting slide bar 1 in a sliding way, a first positioning screw 3 is arranged at the top of the sliding sleeve 2, an electric push rod 4 is fixedly connected at the bottom of the sliding sleeve 2, a first threaded rod 5 is fixedly connected at the bottom of the electric push rod 4, a connecting plate 6 is fixedly connected at the bottom of the first threaded rod 5, and a clamping mechanism 7 is arranged at the bottom of the connecting plate 6;

the clamping mechanism 7 comprises a fixed block 8, a sliding groove 9 is formed in the fixed block 8, a rotating sleeve is arranged at the top of the fixed block 8, a rotating rod 10 is connected to the rotating sleeve in a rotating mode, the top of the rotating rod 10 extends to the outer side of the rotating sleeve, the bottom of the rotating rod 10 penetrates through the fixed block 8 and extends into the sliding groove 9, a toothed ring 11 is fixedly connected to the outer side of one end, extending to the inner side of the sliding groove 9, of the rotating rod 10, a first rack 12 is connected to one side of the toothed ring 11 in a meshed mode, a second rack 13 is connected to the other side of the toothed ring 11 in a meshed mode, one end of the first rack 12 extends to the outer side of the fixed block 8, a first clamping plate 14 is fixedly connected to one end, extending to the outer side of the fixed block 8, of the second rack 13 extends to the outer side of the fixed block, the internal thread of bull stick 10 is connected with second threaded rod 16, second threaded rod 16 one end runs through the bull stick 10 top and extends to the bull stick 10 outside, the first knob 17 of one end fixedly connected with that second threaded rod 16 extends to the bull stick 10 outside, the bull stick 10 outside fixedly connected with second knob 18.

Further, in the above technical solution, the outer side of the connecting plate 6 is rotatably connected with a rotating ring 19, the surface of the rotating ring 19 is provided with two through holes, the two through holes are symmetrically distributed about the center line of the rotating ring 19, and the outer side of the rotating ring 19 is provided with a second set screw 20.

Further, in the above technical scheme, one side of the rotating sleeve is provided with two sliding rods 21, the bottoms of the sliding rods 21 are fixedly connected with the fixed block 8, the two sliding rods 21 are symmetrically distributed about the center line of the fixed block 8, and the tops of the two sliding rods 21 penetrate through the through holes and extend to the top of the rotating ring 19.

Further, in the above technical solution, a connection ring 22 is arranged at the top of the slide rod 21, the top of the slide rod 21 is fixedly connected with the connection ring 22, a threaded ring 23 is rotatably connected to the inner side of the connection ring 22, and the inner side of the threaded ring 23 is in threaded connection with the first threaded rod 5.

Further, in the above technical solution, the thickness of the threaded ring 23 is greater than that of the connection ring 22, and the outer sides of the threaded ring 23, the first knob 17 and the second knob 18 are all provided with anti-slip stripes, which are beneficial to improving the friction force on the surface of the threaded ring 23.

Further, in the above technical solution, two sides of the support slide bar 1 are fixedly connected with support rods 24, the bottoms of the support rods 24 are fixedly connected with first fixing plates 25, the bottoms of the first fixing plates 25 are provided with second fixing plates 26, and fixing bolts are arranged between the first fixing plates 25 and the second fixing plates 26.

This practical theory of operation:

referring to the attached drawings 1-6 of the specification, firstly, the support slide bar 1 is fixed on the top of the operation frame through the first fixing plate 25 and the second fixing plate 26, meanwhile, the first fixing plate 25 and the second fixing plate 26 are fixed through the fixing bolt, then, the horizontal position of the device is adjusted by moving the sliding sleeve 2, meanwhile, the sliding sleeve 2 is limited and fixed through the first positioning screw 3, meanwhile, the vertical height of the device is adjusted through the electric push rod 4, then, the threaded ring 23 moves up and down on the surface of the first threaded rod 5 by rotating the threaded ring 23, thereby driving the connecting ring 22 which is rotatably connected with the threaded ring to move up and down, meanwhile, the bottom clamping mechanism 7 is driven by the sliding rod 21 at the bottom of the connecting ring 22 to move up and down, thereby, the fine adjustment of the vertical height of the device is realized, then, the surface toothed ring 11 of the rotating rod, thereby drive first splint 14 and second splint 15 and be close to each other with the centre gripping centrum, later rotatory first knob 17 makes second threaded rod 16 rotate and with the spout 9 block in bull stick 10 is inside to with the spacing fixed of bull stick 10, thereby accomplish the centre gripping of centrum and fix.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a universal restorer of centrum for orthopedics backbone operation, includes support slide bar (1), its characterized in that: a sliding sleeve (2) is sleeved on the surface of the supporting sliding rod (1) in a sliding mode, a first positioning screw (3) is arranged at the top of the sliding sleeve (2), an electric push rod (4) is fixedly connected to the bottom of the sliding sleeve (2), a first threaded rod (5) is fixedly connected to the bottom of the electric push rod (4), a connecting plate (6) is fixedly connected to the bottom of the first threaded rod (5), and a clamping mechanism (7) is arranged at the bottom of the connecting plate (6);

the clamping mechanism (7) comprises a fixing block (8), a sliding groove (9) is formed in the fixing block (8), a rotating sleeve is arranged at the top of the fixing block (8), a rotating rod (10) is connected to the rotating sleeve in a rotating mode, the top of the rotating rod (10) extends to the outer side of the rotating sleeve, the bottom of the rotating rod (10) penetrates through the fixing block (8) and extends to the inside of the sliding groove (9), a toothed ring (11) is fixedly connected to the outer side of one end of the rotating rod (10) extending to the inside of the sliding groove (9), a first rack (12) is connected to one side of the toothed ring (11) in a meshed mode, a second rack (13) is connected to the other side of the toothed ring (11) in a meshed mode, one end of the first rack (12) extends to the outer side of the fixing block (8), a first clamping plate (14) is fixedly connected to the outer side of the first rack (12), and one end of the second, second rack (13) extends to one end fixedly connected with second splint (15) in fixed block (8) outside, bull stick (10) internal thread is connected with second threaded rod (16), second threaded rod (16) one end runs through bull stick (10) top and extends to the bull stick (10) outside, second threaded rod (16) extend to the first knob (17) of one end fixedly connected with in the bull stick (10) outside, bull stick (10) outside fixedly connected with second knob (18).

2. A universal vertebral body repositor for use in orthopedic spinal procedures according to claim 1, wherein: the outer side of the connecting plate (6) is rotatably connected with a rotating ring (19), through holes are formed in the surface of the rotating ring (19), the number of the through holes is two, the through holes are symmetrically distributed about the center line of the rotating ring (19), and second positioning screws (20) are arranged on the outer side of the rotating ring (19).

3. A universal vertebral body repositor for use in orthopedic spinal procedures according to claim 2, wherein: rotate cover one side and be equipped with slide bar (21), slide bar (21) bottom and fixed block (8) fixed connection, slide bar (21) are established to two, two slide bar (21) are about fixed block (8) central line symmetric distribution, two slide bar (21) top all runs through the through-hole and extends to swivel becket (19) top.

4. A universal vertebral body repositor for use in orthopedic spinal procedures according to claim 3, wherein: the top of the sliding rod (21) is provided with a connecting ring (22), the top of the sliding rod (21) is fixedly connected with the connecting ring (22), the inner side of the connecting ring (22) is rotatably connected with a threaded ring (23), and the inner side of the threaded ring (23) is in threaded connection with the first threaded rod (5).

5. The universal vertebral body repositor for orthopedic spinal surgery as claimed in claim 4, wherein: the thickness of the threaded ring (23) is larger than that of the connecting ring (22), and anti-slip stripes are arranged on the outer sides of the threaded ring (23), the first knob (17) and the second knob (18).

6. A universal vertebral body repositor for use in orthopedic spinal procedures according to claim 1, wherein: the support slide bar (1) both sides fixedly connected with bracing piece (24), bracing piece (24) bottom fixedly connected with first fixed plate (25), first fixed plate (25) bottom is equipped with second fixed plate (26), be equipped with fixing bolt between first fixed plate (25) second fixed plate (26).