CN113102567B - Combined titanium plate curvature adjusting device in cervical kyphosis anterior approach orthopedic surgery - Google Patents
Combined titanium plate curvature adjusting device in cervical kyphosis anterior approach orthopedic surgery Download PDFInfo
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- CN113102567B CN113102567B CN202110337893.9A CN202110337893A CN113102567B CN 113102567 B CN113102567 B CN 113102567B CN 202110337893 A CN202110337893 A CN 202110337893A CN 113102567 B CN113102567 B CN 113102567B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/006—Bending sheet metal along straight lines, e.g. to form simple curves combined with measuring of bends
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
- B21D5/045—With a wiping movement of the bending blade
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
The invention discloses a combined titanium plate curvature adjusting device in a kyphotic anterior orthopedic operation, which comprises a fixing part and an adjusting device, wherein the adjusting device comprises a machine body and a cover plate, and a placing seat for placing a titanium plate is arranged in the machine body; a plurality of fixing seat assemblies are arranged in the placing seat and are clamped with the titanium plate; the top of the placing seat is provided with adjusting components which correspond to the fixed seat components one by one; the adjusting assembly comprises a pressing plate driven by a power mechanism, and the pressing plate is in contact with a titanium plate clamped on the fixed seat assembly; a transparent plate vertical to the fixing seat assembly is embedded in the top of the cover plate, and a plurality of radian marking discs are installed on the transparent plate. When the radian of the titanium plate needs to be adjusted, the titanium plate only needs to be placed into the fixed seat assembly, the cover plate is provided with buttons respectively corresponding to each motor, the corresponding motor can rotate by pressing down the buttons, the screw rod rotates to drive the threaded sleeve to move in the mounting shell, and the two connecting rods push the pressing plate to extrude the titanium plate, so that the curvature adjustment of the titanium plate is realized.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a combined titanium plate curvature adjusting device in a cervical kyphosis anterior approach orthopedic operation.
Background
The anterior cervical operation can correct the kyphosis of the cervical vertebra by means of a titanium plate, and maintains better curvature. The curvature of the cervical vertebra after operation depends on the good orthopedic function of the titanium plate, so the curvature design of the titanium plate is more important, and the generally more ideal orthopedic curvature ensures that the orthopedic rate of the operation is maintained at about 80 percent
At present, the curvature of the titanium plate is estimated by a physician in the art, and the titanium plate cannot be accurately shaped by self. An orthosis with accurate curvature needs to be designed, and a patent instrument is designed for orthotics according to the angle of the curvature before an operation.
Therefore, a combined titanium plate curvature adjusting device in the cervical kyphosis anterior orthopaedic surgery is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a combined titanium plate curvature adjusting device in a cervical kyphosis anterior orthopedic operation, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a combined titanium plate curvature adjusting device in a cervical kyphosis anterior orthopedic operation, which comprises a fixing part detachably arranged at the front end of an operating bed,
the fixed part is provided with an adjusting device which can be movably positioned on any side of the operating table;
the adjusting device comprises a machine body and a cover plate which can be opened or closed movably on the machine body, wherein a placing seat for placing a titanium plate is arranged in the machine body;
a plurality of obliquely-arranged fixing seat assemblies are arranged in the placing seat and are clamped with the titanium plate;
the top of the placing seat is provided with adjusting components which correspond to the fixed seat components one by one;
the adjusting assembly comprises two pressing plates which are symmetrically distributed and driven by a power mechanism, the pressing plates are in contact with the titanium plate clamped on the fixed seat assembly, and the pressing plates driven by the power mechanism extrude and bend the titanium plate;
a transparent plate perpendicular to the fixing seat assembly is embedded into the top of the cover plate, and a plurality of radian marking discs are installed on the transparent plate.
Preferably, the fixed part comprises a lower fixed plate and an upper fixed plate which are parallel to each other, two ends of the lower fixed plate and two ends of the upper fixed plate are movably connected through a connecting piece, and the lower fixed plate and the upper fixed plate are clamped at the front end of the operating table.
Preferably, the bottom of the lower fixing plate is rotatably provided with a mounting rack with an L-shaped structure, and the mounting rack can rotate around the lower fixing plate in the horizontal plane;
a locking component is arranged on the mounting frame and is movably connected with any one side of the two ends of the lower fixing plate.
Preferably, the locking subassembly includes the second bolt and the spacing axle of coaxial rigid coupling, spacing axle fixed mounting extends to the bottom plate top at the mount frame top, the both ends of bottom plate all seted up with spacing axle complex locking groove, the locking groove is the arc structure, spacing axle activity joint is at one of them arbitrary locking inslot.
Preferably, the placing seat is provided with a plurality of placing grooves, each placing groove is internally provided with a fixing seat assembly, each fixing seat assembly comprises a lower fixing seat and an upper fixing seat which are hinged to each other, the lower fixing seat is fixedly connected with the bottom of the placing groove, the top of the lower fixing seat is provided with a lower clamping groove, the bottom of the upper fixing seat is provided with an upper clamping groove, and the upper clamping groove and the lower clamping groove are matched to form the cross-sectional shape of the titanium plate.
Preferably, a support is fixedly connected to the top end in the cover plate, the adjusting assembly is fixedly installed at the top end in the support, and the adjusting assembly further comprises:
with the installation shell of top rigid coupling in the support, the threaded bush of slip joint in the installation shell, run through a lead screw through the helicitic texture in the threaded bush, lead screw and motor drive axle rigid coupling, two articulated connecting rods of symmetry on the threaded bush lateral surface, the connecting rod outer end runs through the installation shell and outwards extends, the outer end of connecting rod with be located same one side the clamp plate top is articulated.
Preferably, parallel limiting grooves are formed in the installation shell, limiting blocks are arranged on two sides of the threaded sleeve, and the limiting blocks are connected in the limiting grooves in a sliding and clamping mode.
Preferably, the outer end parts of the pressing plates are of smooth arc structures, the bottoms of the two pressing plates are respectively hinged with one driving rod, the outer ends of the two driving rods are hinged with the top of the same rubber block, and the rubber block is fixedly contacted with the upper fixing seat.
Compared with the prior art, the invention has the beneficial effects that:
when the radian of the titanium plate needs to be adjusted, the titanium plate only needs to be placed into the fixed seat assembly, the cover plate is provided with buttons respectively corresponding to each motor, the corresponding motor can rotate by pressing down the buttons, the screw rod rotates to drive the threaded sleeve to move in the mounting shell, and the two connecting rods push the pressing plate to extrude the titanium plate, so that the curvature adjustment of the titanium plate is realized.
Adjusting device installs on detachable fixed part, and adjusting device can be in the free rotation of operation table both sides to the different station needs of adaptation operator.
In order to facilitate the installation of the transparent plate, the top of the cover plate is provided with a rectangular opening, and the transparent plate is installed in the opening. Meanwhile, the top of the cover plate is of an inclined plane structure, so that an operator can observe the bending degree of the titanium plate conveniently in the operation process.
In order to adapt to the change of radian in the process of increasing or reducing the forward convexity of the titanium plate, the directions of the arc openings of the two adjacent radian marking disks are opposite, so that the radian change of the titanium plate can be correspondingly ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a fixing member according to the present invention;
FIG. 3 is an exploded view of the conditioning apparatus of the present invention;
FIG. 4 is a schematic view of a mount assembly of the present invention;
FIG. 5 is a perspective cross-sectional view of an adjustment device of the present invention;
FIG. 6 is a schematic view of an adjustment assembly of the present invention;
FIG. 7 is a partial schematic view of an adjustment assembly of the present invention;
fig. 8 is a side view of an adjustment device according to the invention.
In the figure: 1, fixing part: 11 lower fixing plate, 1101 locking groove and 12 upper fixing plate;
13, connecting piece: 131 a first bolt, 132 a first nut;
14 mounting brackets, 14a horizontal end, 14b vertical end;
15 locking assembly: 151 a second bolt, 152 a limit shaft and 153 a second nut;
2, adjusting the device: 21 machine body, 22 cover plate, 2201 opening, 23 placing seat and 2301 placing groove;
24 seat assembly: 241, 241 upper fixing seats, 241a lower clamping grooves, 242 upper fixing seats, 242a upper clamping grooves and 242b arc-shaped bulges;
25, a bracket;
26 adjusting the assembly: 261 mounting shell, 261a guide groove, 261b limiting groove, 261c mounting rack, 262 threaded sleeve, 262a limiting block, 263 screw rod, 264 connecting rod, 265 motor, 266 pressing plate, 267 rubber block and 268 driving rod;
27 transparent plates, 28 radian marking disks;
3 titanium plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a combination formula titanium plate curvature adjusting device in anterior way orthopedic operation of cervical vertebra kyphosis, includes that detachably installs in the fixed part 1 of operation table front end:
as shown in fig. 2, the fixing part 1 includes a lower fixing plate 11 and an upper fixing plate 12 which are parallel to each other, both ends of the lower fixing plate 11 and the upper fixing plate 12 are movably connected by a connecting member 13, and the lower fixing plate 11 and the upper fixing plate 12 are clamped at the front end of the operating table.
The connecting member 13 is composed of a first bolt 131 and a first nut 132, the lower end of the first bolt 131 is hinged to the lower fixing plate 11, the upper end of the first bolt 131 penetrates through a U-shaped groove formed in the end of the upper fixing plate 12, and the first nut 132 is sleeved on the upper end of the first bolt 131 and contacts with the upper fixing plate 12. Other solutions customary in the art can also be used for the connecting element 13.
Further, a mounting frame 14 with an L-shaped structure is rotatably mounted at the bottom of the lower fixing plate 11, and the mounting frame 14 can rotate around the lower fixing plate 11 in a horizontal plane;
a locking assembly 15 is mounted on the mounting frame 14, and the locking assembly 15 is movably connected with any one side of two ends of the lower fixing plate 11.
The mounting bracket 14 has a horizontal end 14a and a vertical end 14b, wherein: the horizontal end 14a is parallel to the lower fixing plate 11 and is rotatably connected with the lower fixing plate 11 through a pin shaft, and the adjusting device 2 is fixedly mounted on the vertical end 14 b.
The locking assembly 15 comprises a second bolt 151 and a limiting shaft 152 which are coaxially fixedly connected, the limiting shaft 152 is fixedly installed at the top of the installation frame 14, the second bolt 151 extends towards the upper portion of the lower fixing plate 11, locking grooves 1101 matched with the limiting shaft 152 are formed in the two ends of the lower fixing plate 11, the locking grooves 1101 are of arc-shaped structures, and the limiting shaft 152 is movably clamped in any one of the locking grooves 1101. Thereby, the adjusting device 2 can freely rotate at two sides of the operating table to adapt to different standing requirements of operators.
Referring to fig. 1, an adjusting device 2 is movably mounted on the fixing member 1 and located at any side of the operating table, the adjusting device 2 includes a body 21 and a cover plate 22 movably opened or closed on the body 21, a locking structure commonly used in the prior art is adopted between the cover plate 22 and the body 21 to prevent the cover plate 22 from being opened at will, and a handle is further disposed at one side of the cover plate 22 to facilitate the operation of the cover plate 22.
As shown in fig. 3-4, a placing seat 23 for placing the titanium plate 3 is arranged in the machine body 21; place and be equipped with a plurality of slope setting ground mount subassembly 24 and titanium plate 3 joint in the seat 23, specifically as follows:
in order to facilitate simultaneous operation of a plurality of titanium plates 3 or bending the front and back of the titanium plates 3, in actual operation, it may be necessary to increase the forward projection and reduce the forward projection for the titanium plates 3, therefore, a plurality of placing grooves 2301 have been seted up for the placing seat 23, all install the fixing base assembly 24 in each placing groove 2301, the fixing base assembly 24 includes lower fixing base 241 and the upper fixing base 242 of mutual articulated, lower fixing base 241 and placing groove 2301 bottom rigid coupling, lower draw-in groove 241a has been seted up at lower fixing base 241 top, upper draw-in groove 242a has been seted up to upper fixing base 242 bottom, upper draw-in groove 242a and lower draw-in groove 241a coincide and constitute the cross sectional shape of titanium plates 3.
In order to avoid the titanium plate 3 from shaking after being clamped between the upper clamping groove 242a and the lower clamping groove 241a, a torsion spring is arranged at the hinged position of the lower fixing seat 241 and the upper fixing seat 242, one end of the torsion spring is connected with the lower fixing seat 241, the other end of the torsion spring is connected with the upper fixing seat 242, and the upper fixing seat 242 is guaranteed to be buckled above the lower fixing seat 241 at any time. And an arc-shaped protrusion 242b contacting with the titanium plate 3 is also arranged at the bottom of the upper clamping groove 242 a.
As shown in fig. 3 and 5, the top of the placing seat 23 is provided with an adjusting assembly 26 corresponding to the fixing seat assembly 24. A bracket 25 is fixedly connected to the inner top end of the cover plate 22, when the cover plate 22 and the machine body 21 are closed, the bracket 25 is just contacted above the placing seat 23, and the adjusting component 26 is fixedly arranged on the inner top end of the bracket 25. Referring to fig. 6, the adjusting assembly 26 includes:
the two pressing plates 266 are symmetrically distributed and driven by the power mechanism, the pressing plates 266 are in contact with the titanium plate 3 clamped on the fixed seat assembly 24, and the pressing plates 266 driven by the power mechanism extrude and bend the titanium plate 3;
still include with the installation shell 261 of top rigid coupling in the support 25, a screw sleeve 262 of slip joint in the installation shell 261, run through a lead screw 263 through the helicitic texture in the screw sleeve 262, lead screw 263 and motor 265 drive shaft rigid coupling, motor 265 fixed mounting is in the installation shell 261 outside, and installation shell 261 passes through mounting bracket 261c and support 25 rigid coupling, two articulated connecting rods 264 of symmetry on the screw sleeve 262 lateral surface, two guide way 261a are seted up to the symmetry on the installation shell 261 surface, the guide way 261a on the installation shell 261 is run through to the connecting rod 264 outer end, and outwards extend, the outer end of connecting rod 264 is articulated with the clamp plate 266 top that is located same one side.
The cover plate 22 can be further provided with buttons respectively corresponding to each motor 265, the corresponding motor 265 can rotate when the buttons are pressed down, the screw rod 263 rotates to drive the threaded sleeve 262 to move in the installation shell, and the two connecting rods 264 push the pressing plate 266 to extrude the titanium plate 3, so that the curvature adjustment of the titanium plate 3 is realized.
Furthermore, parallel limiting grooves 261b are formed in the installation shell 261, limiting blocks 262a are arranged on two sides of the threaded sleeve 262, and the limiting blocks 262a are clamped in the limiting grooves 261b in a sliding mode.
The outer tip of clamp plate 266 is glossy arc structure, and two clamp plate 266's bottom articulates a drive lever 268 respectively, and two drive lever 268's outer end articulates at same block rubber 267 top, and articulated department sets up the torsional spring, and under the torsional spring effect, two drive levers 268 have the trend of drawing close, block rubber 267 and last fixing base 242 fixed contact. In the process of pressing and bending the titanium plate 3 by the pressing plate 266, the driving rod 268 drives the rubber block 267 to further press the upper fixing seat 242, so that the stability of the titanium plate 3 in the fixing seat assembly 24 is enhanced.
A transparent plate 27 perpendicular to the fixed seat assembly 24 is embedded in the top of the cover plate 22, and a plurality of radian marking discs 28 are installed on the transparent plate 27. To facilitate the installation of the transparent plate 27, a rectangular opening 2201 is opened at the top of the cover plate 22, and the transparent plate 27 is installed in the opening 2201. Meanwhile, the top of the cover plate 22 is of an inclined plane structure, so that an operator can conveniently observe the bending degree of the titanium plate in the operation process.
In order to adapt to the change of radian in the process of increasing or reducing the front convexity of the titanium plate, the directions of the arc openings of the two adjacent radian marking disks 28 are opposite, and the radian change of the titanium plate 3 can be ensured to correspond to the radian change of the titanium plate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a combination formula titanium plate curvature adjusting device among kyphosis anterior way orthopedic surgery, includes that detachably installs in fixed part (1) of operation table front end, its characterized in that:
the fixed part (1) is provided with an adjusting device (2) which can be movably positioned on any side of the operating bed;
the adjusting device (2) comprises a machine body (21) and a cover plate (22) which can be opened or closed movably on the machine body (21), wherein a placing seat (23) for placing the titanium plate (3) is arranged in the machine body (21);
a plurality of obliquely arranged fixing seat assemblies (24) are arranged in the placing seat (23) and are clamped with the titanium plate (3);
the top of the placing seat (23) is provided with adjusting components (26) which correspond to the fixed seat components (24) one by one;
the adjusting assembly (26) comprises two pressing plates (266) which are symmetrically distributed and driven by a power mechanism, the pressing plates (266) are in contact with the titanium plate (3) clamped on the fixing seat assembly (24), and the pressing plates (266) driven by the power mechanism extrude and bend the titanium plate (3);
a transparent plate (27) perpendicular to the fixing seat assembly (24) is embedded into the top of the cover plate (22), and a plurality of radian marking discs (28) are mounted on the transparent plate (27).
2. The device for adjusting the curvature of a combined titanium plate in the anterior cervical kyphosis orthopedic surgery according to claim 1, wherein: fixed part (1) is including parallel bottom plate (11) and upper fixed plate (12), the both ends of bottom plate (11) and upper fixed plate (12) are all through connecting piece (13) swing joint, and bottom plate (11) and upper fixed plate (12) centre gripping are at the front end of operation table.
3. The device for adjusting the curvature of a combined titanium plate in the anterior cervical kyphosis orthopedic surgery according to claim 2, wherein: a mounting rack (14) with an L-shaped structure is rotatably mounted at the bottom of the lower fixing plate (11), and the mounting rack (14) can rotate around the lower fixing plate (11) in a horizontal plane;
a locking component (15) is arranged on the mounting rack (14), and the locking component (15) is movably connected with any one side of two ends of the lower fixing plate (11).
4. The device for adjusting the curvature of a combined titanium plate in the cervical kyphosis anterior orthopaedic surgery according to claim 3, wherein: locking Assembly (15) are including second bolt (151) and spacing axle (152) of coaxial rigid coupling, spacing axle (152) fixed mounting is at mounting bracket (14) top, and second bolt (151) bottom plate (11) top extends, bottom plate (11) both ends all seted up with spacing axle (152) complex locking groove (1101), locking groove (1101) are the arc structure, spacing axle (152) activity joint is in any one of them locking groove (1101).
5. The device for adjusting the curvature of a combined titanium plate in the anterior cervical kyphosis orthopedic surgery according to claim 1, wherein: the titanium plate placing device is characterized in that a plurality of placing grooves (2301) are formed in the placing seat (23), a fixing seat assembly (24) is installed in each placing groove (2301), each fixing seat assembly (24) comprises a lower fixing seat (241) and an upper fixing seat (242) which are hinged to each other, the lower fixing seat (241) is fixedly connected with the bottom of the corresponding placing groove (2301), a lower clamping groove (241a) is formed in the top of the lower fixing seat (241), an upper clamping groove (242a) is formed in the bottom of the upper fixing seat (242), and the upper clamping groove (242a) and the lower clamping groove (241a) are matched to form the cross-sectional shape of the titanium plate (3).
6. The device for adjusting the curvature of a combined titanium plate in the anterior cervical kyphosis orthopedic surgery according to claim 1, wherein: the top is connected firmly a support (25) in apron (22), top in support (25) is fixed mounting to adjusting part (26), adjusting part (26) still includes:
with installation shell (261) of support (25) interior top rigid coupling, screw sleeve (262) of joint in installation shell (261) slides, run through a lead screw (263) through helicitic texture in screw sleeve (262), lead screw (263) and motor (265) drive shaft rigid coupling, two articulated connecting rods (264) of symmetry on screw sleeve (262) lateral surface, connecting rod (264) outer end runs through installation shell (261) and outwards extends, the outer end of connecting rod (264) with be located same one side clamp plate (266) top is articulated.
7. The device for adjusting the curvature of a combined titanium plate in the anterior cervical kyphosis orthopedic surgery according to claim 6, wherein: set up parallel spacing groove (261b) in installation shell (261), screw sleeve (262) both sides set up stopper (262a), stopper (262a) slip joint is in spacing groove (261 b).
8. The device for adjusting the curvature of a combined titanium plate in the anterior cervical kyphosis orthopedic surgery according to claim 6, wherein: the outer end of each pressing plate (266) is of a smooth arc structure, the bottoms of the two pressing plates (266) are respectively hinged with one driving rod (268), the outer ends of the two driving rods (268) are hinged to the top of the same rubber block (267), and the rubber block (267) is in fixed contact with the upper fixed seat (242).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337893.9A CN113102567B (en) | 2021-03-30 | 2021-03-30 | Combined titanium plate curvature adjusting device in cervical kyphosis anterior approach orthopedic surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110337893.9A CN113102567B (en) | 2021-03-30 | 2021-03-30 | Combined titanium plate curvature adjusting device in cervical kyphosis anterior approach orthopedic surgery |
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| CN113102567A CN113102567A (en) | 2021-07-13 |
| CN113102567B true CN113102567B (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110337893.9A Active CN113102567B (en) | 2021-03-30 | 2021-03-30 | Combined titanium plate curvature adjusting device in cervical kyphosis anterior approach orthopedic surgery |
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| DE29510041U1 (en) * | 1995-06-21 | 1995-09-07 | Elekta Instrument GmbH, 79224 Umkirch | Device for forming thin flat workpieces |
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| CN112371782A (en) * | 2020-10-23 | 2021-02-19 | 于恒飞 | Steel plate pre-bending device for orthopedic clinical operation |
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| Publication number | Publication date |
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| CN113102567A (en) | 2021-07-13 |
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