CN210301182U - Vertebral universal restorer for orthopedic spinal surgery - Google Patents
Vertebral universal restorer for orthopedic spinal surgery Download PDFInfo
- Publication number
- CN210301182U CN210301182U CN201920203471.0U CN201920203471U CN210301182U CN 210301182 U CN210301182 U CN 210301182U CN 201920203471 U CN201920203471 U CN 201920203471U CN 210301182 U CN210301182 U CN 210301182U
- Authority
- CN
- China
- Prior art keywords
- free
- fixed
- adjusting
- clamping device
- mounting block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
A universal vertebral body repositor for orthopedic spinal surgery at least comprises a support beam and a clamping device. The support beam is U font, clamping device installs on the support beam, wherein: clamping device includes fixed clamping device and free clamping device at least, slidable mounting has the horizontal adjustment piece on the support beam, be equipped with the altitude mixture control double-screw bolt on the horizontal adjustment piece, the working disc pass through the altitude mixture control sleeve with altitude mixture control double-screw bolt threaded connection, wherein: the fixed clamping device is fixedly arranged on the working disc, and the free clamping device is movably arranged on the working disc. The utility model discloses a two clamping device designs of fixed clamping device and free clamping device can effectively improve medical staff's work efficiency and the precision that resets of centrum, easy operation, convenient and practical.
Description
Technical Field
The utility model relates to an orthopedics backbone surgery technical field especially relates to an universal restorer of centrum for orthopedics backbone surgery.
Background
The spine is formed by connecting 33 vertebrae (7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, 9 sacrum and coccyx) by means of ligaments, joints and intervertebral discs. The upper end of the spine supports the skull, the lower hip bone, the middle rib and the back wall of the thorax, the abdominal cavity and the pelvic cavity. The spine has functions of supporting the trunk, protecting the internal organs, protecting the spinal cord, and performing exercise. Because the function is very important, people have been continuously and deeply researched on the pathological change treatment, with the technical progress, the corpectomy can be successfully carried out, the first task after the pathological vertebral body is removed is reduction and fixation, and the operation difficulty is higher because the spine involves nerves.
Chinese patent with publication number CN208065259U discloses a universal restorer of centrum for orthopedics backbone operation, including the connecting rod, support bearing, two have all been welded at the both ends of connecting rod support bearing's inside all is pegged graft and is had the threaded rod of vertical setting, and the equal threaded connection in circumference outer wall bottom of two threaded rods has the stay tube, two the mounting panel that the level set up is all welded to the bottom of stay tube, and the one end that two mounting panels kept away from each other all articulates the splint that have L type structure. The utility model discloses a can accomplish the installation of the universal restorer of centrum through tension spring's effect fixed for the centrum restorer uses the installation simple and convenient, offers convenience for medical personnel, applicable in the patient of different bodily forms. However, the height of the device is adjusted to be integrally moved, the design reduces the space of operation, the device does not have a fine adjustment function, the device is adjusted in a double-threaded rod mode and is not easy to keep balance, the device only has one vertebral body clamping device, a reference vertebral body is not easy to be taken in the operation process, and the difficulty of vertebral body restoration is increased.
SUMMERY OF THE UTILITY MODEL
The word "module" as used herein describes any type of hardware, software, or combination of hardware and software that is capable of performing the functions associated with the "module".
Aiming at the defects of the prior art, the utility model provides a universal centrum restorer for orthopedic spine surgery, which at least comprises a support beam and a clamping device. The support beam is U font, clamping device installs on the support beam, wherein: clamping device includes fixed clamping device and free clamping device at least, slidable mounting has the horizontal adjustment piece on the support beam, be equipped with the altitude mixture control double-screw bolt on the horizontal adjustment piece, the working disc pass through the altitude mixture control sleeve with altitude mixture control double-screw bolt threaded connection, wherein: the fixed clamping device is fixedly arranged on the working disc, and the free clamping device is movably arranged on the working disc.
According to a preferred embodiment, the fixed clamping device comprises at least a fixed adjusting bolt, a fixed bracket, a fixed clamping piece, a fixed connecting rod, a fixed mounting block and a fixed rotating shaft, wherein: the fixed mounting piece is the cuboid form, the fixed mounting piece is fixed in on the working disc, be equipped with fixed fine setting groove according to the mode of following its thickness direction and running through on the fixed mounting piece, fixed connecting rod's first end is equipped with fixed rotating shaft, fixed connecting rod's second end is connected with the fixed bolster, fixed adjusting bolt with the equal detachably of fixed clamping piece install in on the fixed bolster, fixed rotating shaft according to running through the mode in fixed fine setting groove with fixed mounting piece swing joint. Under the condition that the fixed connecting rod is subjected to the action of external force, the distance between the fixed support and the fixed mounting block can be increased or decreased according to the mode that the fixed rotating shaft slides in the fixed fine adjustment groove.
According to a preferred embodiment, the fixed bolster is the U font, the both ends of fixed bolster all according to the mode threaded connection that runs through have fixed adjusting bolt, the respective first end of fixed adjusting bolt all articulates there is fixed clamping piece, wherein: the adjusting bolts can rotate around respective central axes of the adjusting bolts. In the case where the adjustment bolt is rotated about its central axis, the distance between the fixing clip and the fixing bracket can be increased or decreased.
According to a preferred embodiment, the free clamping means comprise at least a free adjustment bolt, a free bracket, a free jaw, a free link, a free mounting block and a free rotation shaft, wherein: the free mounting block is cuboid, the free mounting block is movably mounted on the working plate through a free adjusting rod, a free fine adjustment groove is formed in the free mounting block in a penetrating mode along the thickness direction of the free mounting block, the first end of the free connecting rod is provided with the free rotating shaft, the second end of the free connecting rod is connected with the free support, the free adjusting bolt and the free clamping piece are detachably mounted on the free support, and the free rotating shaft is movably connected with the free mounting block in a penetrating mode through the free fine adjustment groove. Under the condition that the free connecting rod is subjected to external force, the distance between the free bracket and the free mounting block can be increased or decreased according to the mode that the free rotating shaft slides in the free fine adjustment groove.
According to a preferred embodiment, the free bracket is U-shaped, the two ends of the free bracket are both in threaded connection with the free adjusting bolt in a penetrating manner, and the respective first ends of the free adjusting bolts are hinged with the free clamping pieces, wherein: the free adjusting bolts can rotate around respective central axes. In the case where the free adjustment bolt is rotated about its central axis, the distance between the free jaw and the free bracket can be increased or decreased.
According to a preferred embodiment, the working disc is cylindrical, the working disc is provided with an adjusting groove in an axial direction of the working disc, the free mounting block is provided with the free adjusting rod, and the free adjusting rod comprises: the free adjusting rod is cylindrical, the axial direction of the free adjusting rod is parallel to the length direction of the free mounting block, the free adjusting rod is movably connected with the working disc in a mode of penetrating through the adjusting groove, and the free adjusting rod comprises a cylindrical body, wherein: the free end of the free adjusting rod is in threaded connection with a free adjusting nut, and the free adjusting nut can enable the free mounting block to abut against or separate from the working disc in a mode of rotating around the central axis of the free adjusting rod. Under the condition that the free mounting block is separated from the working disc and the free mounting block is subjected to the action of external force, the distance between the free clamping device and the fixed clamping device can be increased or decreased according to the mode that the free adjusting rod slides in the adjusting groove.
According to a preferred embodiment, the height adjusting sleeve is coaxially arranged on the upper end surface of the working plate, and a locking pull plate is arranged on the height adjusting sleeve, wherein: the height adjusting sleeve can rotate around the central axis of the height adjusting stud. Under the condition that the height adjusting sleeve rotates around the central axis of the height adjusting stud, the distance between the clamping device and the horizontal adjusting block can be increased or decreased.
According to a preferred embodiment, the horizontal adjusting block is in threaded connection with a locking handle in a penetrating manner, and the horizontal adjusting block is provided with a first tensioning screw and a second tensioning screw in sliding mounting respectively in a manner parallel to the axial direction of the height adjusting stud and in a penetrating manner, wherein: the first end of the first tensioning screw rod is provided with a first tensioning baffle, the first end of the second tensioning screw rod is provided with a second tensioning baffle, the first tensioning baffle can be abutted against or separated from the locking pull disc by the first tensioning screw rod in an axial sliding mode, and the second tensioning baffle can be abutted against or separated from the locking pull disc by the second tensioning screw rod in an axial sliding mode.
According to a preferred embodiment, a first passive clamping block is arranged at the first end of the support beam, a first fastening screw rod is installed on the first active clamping block in a penetrating mode, and the first active clamping block is movably connected with the first passive clamping block in a manner that the first fastening screw rod penetrates through the first passive clamping block.
According to a preferred embodiment, a second passive clamping block is arranged at the second end of the support beam, a second fastening screw rod is installed on the second active clamping block in a penetrating mode, and the second active clamping block is movably connected with the second passive clamping block in a manner that the second fastening screw rod penetrates through the second passive clamping block.
The utility model has the advantages of:
(1) the utility model discloses a two clamping designs of fixed clamping device and free clamping device can select when the centrum resets and refer to the centrum, have reduced the degree of difficulty that the centrum resets, have improved work efficiency and the precision that resets.
(2) The utility model discloses a design altitude mixture control sleeve can realize the ascending quick adjustment of clamping device direction of height, has increased the space of operation, is favorable to doctor's operation.
(3) The utility model discloses a set up the mode in free fine setting groove and fixed fine setting groove and can realize the fine setting on the clamping device direction of height, horizontal fine setting when the design through free adjusting bolt and fixed adjusting bolt realizes the centrum and resets.
Drawings
Fig. 1 is a first perspective view of a preferred universal vertebral body repositor of the present invention;
FIG. 2 is an enlarged partial schematic view of the structure at A in FIG. 1;
fig. 3 is a front view structure schematic diagram of the preferred vertebral universal reductor of the present invention;
fig. 4 is a rear view structural schematic diagram of the preferred vertebral universal repositor of the present invention; and
fig. 5 is a second perspective view of the preferred universal vertebral body reduction device of the present invention.
List of reference numerals
1: first active clamping block 2: first fastening screw 3: first passive clamping block
4: height adjustment sleeve 5: locking the pull disc 6: height adjusting stud
7: second active clamping block 8: second passive block 9: second fastening screw
10: first tensioning screw 11: locking handle 12: horizontal adjusting block
13: second tensioning screw 14: the working plate 15: support beam
16: fixing the adjusting bolt 17: the fixing bracket 18: fixed clamping piece
19: fixing the connecting rod 20: fixed mounting block 21: fixed rotating shaft
22: second tightening stop piece 23: first tensioning flap 24: free adjusting rod
25: free adjustment nut 26: adjustment groove 27: free connecting rod
28: the free bracket 29: free adjustment of the bolt 30: free clamping piece
31: free rotation shaft 32: free fine tuning groove 33: fixed fine tuning groove
34: free mounting block
Detailed Description
The following detailed description is made with reference to the accompanying drawings.
As shown in fig. 1 to 5, the universal vertebral body repositor for orthopedic spinal surgery of the present invention at least comprises a support beam 15 and a clamping device. The support beam 15 is U-shaped. The clamping device is mounted on the carrier beam 15, wherein: the clamping device at least comprises a fixed clamping device and a free clamping device. A horizontal adjusting block 12 is slidably mounted on the bracket beam 15. The horizontal adjusting block 12 is provided with a height adjusting stud 6. The working disk 14 is screwed to the height adjusting stud 6 via the height adjusting sleeve 4, wherein: the fixed clamping device is fixedly mounted on the work plate 14. The free gripping means is movably mounted on the work disc 14. The mode of clamping the normal vertebral body by the fixed clamping device provides position reference for the vertebral body to be reset after the operation clamped by the free clamping device, so that the working efficiency and the resetting precision can be improved.
Preferably, the fixing and clamping device at least comprises a fixing and adjusting bolt 16, a fixing bracket 17, a fixing clamping piece 18, a fixing connecting rod 19, a fixing and mounting block 20 and a fixing rotating shaft 21, wherein: the fixed mounting block 20 is rectangular. The fixed mounting block 20 is fixed to the work plate 14. The fixing block 20 is provided with a fixing fine adjustment groove 33 penetrating in the thickness direction thereof. The first end of the fixed link 19 is provided with a fixed rotation shaft 21. The second end of the fixed link 19 is connected with a fixed bracket 17. The fixed adjusting bolt 16 and the fixed clip 18 are both detachably mounted on the fixed bracket 17. The fixed rotating shaft 21 is movably connected with the fixed mounting block 20 in a mode of penetrating through the fixed fine adjustment groove 33. In the case where the fixing link 19 is subjected to an external force, the distance between the fixing bracket 17 and the fixing mounting block 20 can be increased or decreased in such a manner that the fixing rotation shaft 21 slides in the fixing fine adjustment groove 33. The height fine adjustment of the fixing and clamping device is realized by the way that the fixing rotating shaft 21 slides in the fixing fine adjustment groove 33. Preferably, the thickness direction of the fixed mounting block 20 is the direction of the shortest side thereof. Preferably, the free end of the fixed rotary shaft 21 is threadedly mounted with a nut.
Preferably, the fixing bracket 17 has a U-shape. Both ends of the fixed bracket 17 are in threaded connection with fixed adjusting bolts 16 in a penetrating mode. The respective first ends of the fixed adjusting bolts 16 are each hinged with a fixed clip 18, wherein: the adjusting bolts 16 are each rotatable about their respective central axis. In the case where the adjustment bolt 16 is rotated about its central axis, the distance between the fixing clip 18 and the fixing bracket 17 can be increased or decreased. The distance between the two fixing jaws 18 and their position in the horizontal direction can be finely adjusted by fixing the adjusting screw 16.
Preferably, the free clamping means comprise at least a free adjusting bolt 29, a free bracket 28, a free jaw 30, a free link 27, a free mounting block 34 and a free rotation shaft 31, wherein: the free mounting block 34 has a rectangular parallelepiped shape. The free mounting block 34 is movably mounted to the work plate 14 by the free adjustment lever 24. The free mounting block 34 is provided with a free fine adjustment groove 32 penetrating in the thickness direction thereof. The first end of the free link 27 is provided with a free rotation shaft 31. A free bracket 28 is attached to the second end of the free link 27. The free adjustment bolt 29 and the free jaw 30 are both detachably mounted to the free bracket 28. The free rotation shaft 31 is movably connected with the free mounting block 34 in a mode of penetrating through the free fine adjustment groove 32. In the case where the free link 27 is subjected to an external force, the distance between the free bracket 28 and the free mounting block 34 can be increased or decreased in such a manner that the free rotation shaft 31 slides in the free fine adjustment groove 32. The height fine adjustment of the free clamping device is realized by the way that the free rotating shaft 31 slides in the free fine adjustment groove 32. Preferably, the thickness direction of the free mounting block 34 is the direction of its shortest side. Preferably, the free end of the free rotation shaft 31 is threadedly mounted with a nut.
Preferably, the free leg 28 is U-shaped. The free support 28 is threaded at both ends with a free adjustment bolt 29 in a through manner. The respective first ends of the free adjusting bolts 29 are each hinged with a free clamping piece 30, wherein: the free adjustment bolts 29 are each able to rotate about their respective central axis. In the case of a rotation of the free adjustment screw 29 about its central axis, the distance between the free jaw 30 and the free bracket 28 can be increased or decreased. The distance between the two free jaws 30 and their position in the horizontal direction can be finely adjusted by means of the free adjusting bolt 29.
Preferably, the working plate 14 is cylindrical. The working disk 14 is provided with an adjustment groove 26 extending through the working disk in the axial direction thereof. The free mounting block 34 is provided with a free adjusting rod 24, wherein: the free adjustment rod 24 has a cylindrical shape. The axial direction of the free adjustment lever 24 and the length direction of the free mounting block 34 are parallel to each other. The free adjustment lever 24 is movably connected to the working plate 14 in such a way that it penetrates an adjustment groove 26, wherein: the free end of the free adjustment lever 24 is threadedly connected with a free adjustment nut 25. The free adjustment nut 25 is capable of bringing the free mounting block 34 into abutment against or out of abutment with the operating disk 14 in such a way as to rotate about the central axis of the free adjustment lever 24. In the case where the free mounting block 34 is disengaged from the operating plate 14 and the free mounting block 34 is subjected to an external force, the distance between the free clamping means and the fixed clamping means can be increased or decreased in such a manner that the free adjustment lever 24 slides in the adjustment groove 26. Preferably, the length direction of the free mounting block 34 is the direction of the longest side thereof, and the free clamping device can be moved on the premise of loosening the free adjusting nut 25, so as to adjust the relative position between the free clamping device and the fixed clamping device as required.
Preferably, the upper end face of the operating disk 14 is provided with a height adjustment sleeve 4 in a coaxial manner. Be equipped with locking drawing disk 5 on the height control sleeve 4, wherein: the height adjustment sleeve 4 can be rotated about the center axis of the height adjustment stud 6. In the case of a rotation of the height adjustment sleeve 4 about the center axis of the height adjustment stud 6, the distance between the clamping device and the horizontal adjustment block 12 can be increased or decreased. The height of the clamping device can be quickly adjusted by means of the height adjustment sleeve 4.
Preferably, the horizontal adjusting block 12 is threaded with a locking handle 11. All have first tensioning screw 10 and second tensioning screw 13 according to the mode parallel and running through with the axial of height adjusting stud 6 respectively slidable mounting on horizontal adjustment block 12, wherein: the first end of the first tensioning screw 10 is provided with a first tensioning stop 23. The first end of the second tensioning screw 13 is provided with a second tensioning stop 22. The first tensioning screw 10 can bring the first tensioning flap 23 into abutment against or out of the locking disk 5 in such a way that it can slide in its axial direction. And the second tightening screw 13 can bring the second tightening flap 22 into abutment against or out of abutment with the locking head 5 in such a way that it can slide axially along it. Preferably, the free ends of the first tensioning screw 10 and the second tensioning screw 13 are each threadedly mounted with a nut.
Preferably, the first end of the support beam 15 is provided with a first passive clamping block 3. The first driving clamping block 1 is provided with a first fastening screw rod 2 in a penetrating mode. The first active clamping block 1 is movably connected with the first passive clamping block 3 in a mode that the first fastening screw rod 2 penetrates through the first passive clamping block 3. Preferably, a nut is threadedly coupled to one end of the first fastening screw 2.
Preferably, the second end of the support beam 15 is provided with a second passive clamping block 8. A second fastening screw 9 is mounted on the second driving clamping block 7 in a penetrating manner. The second active clamping block 7 is movably connected with the second passive clamping block 8 in a mode that the second fastening screw 9 penetrates through the second passive clamping block 8. Preferably, a nut is threadedly connected to one end of the second tightening screw 9.
In order to facilitate understanding, the working principle of the universal vertebral body repositor for orthopedic spinal surgeries of the invention is discussed.
During operation, the device is firstly fixed at a proper position of an operating table through the matching connection of the first active clamping block 1 and the first passive clamping block 3 and the matching connection of the second active clamping block 7 and the second passive clamping block 8, and then the horizontal adjusting block 12 is moved and locked through the locking handle 11. The height of the clamping device is then adjusted by rotating the height adjustment sleeve 4 until the height of the clamping device is substantially equal to the surgical height, and the nut is tightened until the second tensioning stop 22 and the first tensioning stop 23 are both in contact with the working plate 14. The height of the fixed clamping device is adjusted in the fixed fine adjustment groove 33 and is enabled to reach the working position, a normal vertebral body is clamped through the two fixed clamping pieces 18 in a matching mode to serve as reference, meanwhile, the height of the free clamping device is adjusted in the free fine adjustment groove 32 and is enabled to reach the working height, then the horizontal working position of the free clamping device is adjusted through the adjusting groove 26, the surgical vertebral body is clamped through the two free clamping blocks 30 in a matching mode to achieve adjustment and reset in the horizontal direction, and the height of the free clamping device is fine adjusted to achieve adjustment and reset in the height direction of the surgical vertebral body.
It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a universal restorer of centrum for orthopedics backbone operation, includes support roof beam (15) and clamping device at least, its characterized in that, support roof beam (15) are the U font, clamping device install on support roof beam (15), wherein:
clamping device includes fixed clamping device and free clamping device at least, slidable mounting has horizontal adjustment piece (12) on support roof beam (15), be equipped with altitude mixture control double-screw bolt (6) on horizontal adjustment piece (12), work dish (14) through altitude mixture control sleeve (4) with altitude mixture control double-screw bolt (6) threaded connection, wherein:
the fixed clamping device is fixedly arranged on the working plate (14), and the free clamping device is movably arranged on the working plate (14).
2. The universal vertebral body repositor according to claim 1, wherein said fixed clamping means comprises at least a fixed adjusting bolt (16), a fixed bracket (17), a fixed jaw (18), a fixed link (19), a fixed mounting block (20) and a fixed shaft (21), wherein:
the fixed mounting block (20) is in a cuboid shape, the fixed mounting block (20) is fixed on the working plate (14), a fixed fine tuning groove (33) is formed in the fixed mounting block (20) in a penetrating mode along the thickness direction of the fixed mounting block, the first end of the fixed connecting rod (19) is provided with the fixed rotating shaft (21), the second end of the fixed connecting rod (19) is connected with the fixed support (17), the fixed adjusting bolt (16) and the fixed clamping piece (18) are detachably mounted on the fixed support (17), and the fixed rotating shaft (21) is movably connected with the fixed mounting block (20) in a penetrating mode through the fixed fine tuning groove (33);
under the condition that the fixed connecting rod (19) is subjected to external force, the distance between the fixed bracket (17) and the fixed mounting block (20) can be increased or decreased according to the mode that the fixed rotating shaft (21) slides in the fixed fine adjustment groove (33).
3. The universal vertebral body repositor according to claim 2, wherein said fixed support (17) is U-shaped, both ends of said fixed support (17) are threaded with said fixed adjusting bolt (16) in a through manner, respective first ends of said fixed adjusting bolt (16) are hinged with said fixed clip (18), wherein:
the adjusting bolts (16) can rotate around respective central axes thereof;
the distance between the fixing clip (18) and the fixing bracket (17) can be increased or decreased when the adjusting screw (16) is rotated about its central axis.
4. The universal vertebral body repositor of claim 1, wherein said free clamping means comprises at least a free adjusting bolt (29), a free bracket (28), a free jaw (30), a free link (27), a free mounting block (34) and a free rotation shaft (31), wherein:
the free mounting block (34) is cuboid, the free mounting block (34) is movably mounted on the working plate (14) through a free adjusting rod (24), a free fine adjustment groove (32) is formed in the free mounting block (34) in a penetrating mode along the thickness direction of the free mounting block, the free rotating shaft (31) is arranged at the first end of the free connecting rod (27), the free support (28) is connected to the second end of the free connecting rod (27), the free adjusting bolt (29) and the free clamping piece (30) are detachably mounted on the free support (28), and the free rotating shaft (31) is movably connected with the free mounting block (34) in a penetrating mode through the free fine adjustment groove (32);
under the action of external force, the distance between the free bracket (28) and the free mounting block (34) can be increased or decreased according to the sliding mode of the free rotating shaft (31) in the free fine adjustment groove (32).
5. The universal vertebral body repositor according to claim 4, wherein said free support (28) is U-shaped, both ends of said free support (28) are threaded with said free adjustment bolt (29) in a through manner, the respective first ends of said free adjustment bolts (29) are hinged with said free jaw (30), wherein:
the free adjusting bolts (29) can rotate around respective central axes thereof;
the distance between the free clamping piece (30) and the free bracket (28) can be increased or decreased when the free adjusting bolt (29) rotates around the central axis thereof.
6. The universal vertebral body repositor according to claim 4, wherein said working disk (14) is cylindrical, said working disk (14) being provided with an adjustment slot (26) extending axially therethrough, said free mounting block (34) being provided with said free adjustment rod (24), wherein:
the free adjusting rod (24) is cylindrical, the axial direction of the free adjusting rod (24) is parallel to the length direction of the free mounting block (34), the free adjusting rod (24) is movably connected with the working disc (14) in a mode of penetrating through the adjusting groove (26), and the free adjusting rod comprises:
a free end of the free adjusting rod (24) is in threaded connection with a free adjusting nut (25), and the free adjusting nut (25) can enable the free mounting block (34) to abut against or separate from the working disc (14) in a manner of rotating around a central axis of the free adjusting rod (24);
in the case that the free mounting block (34) is disengaged from the operating plate (14) and the free mounting block (34) is subjected to an external force, the distance between the free clamping device and the fixed clamping device can be increased or decreased in such a manner that the free adjustment rod (24) slides in the adjustment groove (26).
7. The universal vertebral body repositor according to claim 6, wherein said height adjusting sleeve (4) is coaxially provided on the upper end surface of said working disk (14), and said height adjusting sleeve (4) is provided with a locking pulling disk (5), wherein:
the height adjusting sleeve (4) can rotate around the central axis of the height adjusting stud (6);
the distance between the clamping device and the horizontal adjusting block (12) can be increased or decreased when the height adjusting sleeve (4) rotates around the central axis of the height adjusting stud (6).
8. The universal vertebral body repositor according to claim 7, wherein a locking handle (11) is threadedly connected to the horizontal adjusting block (12) in a penetrating manner, and a first tensioning screw (10) and a second tensioning screw (13) are slidably mounted on the horizontal adjusting block (12) in a penetrating manner and in parallel with the axial direction of the height adjusting stud (6), respectively, wherein:
the first end of the first tensioning screw rod (10) is provided with a first tensioning baffle (23), the first end of the second tensioning screw rod (13) is provided with a second tensioning baffle (22), the first tensioning baffle (23) can abut against or be separated from the locking pull disc (5) by the first tensioning screw rod (10) in an axial sliding mode along the first tensioning screw rod, and in addition, the first tensioning baffle (23) can abut against or be separated from the locking pull disc (5) by the first tensioning screw rod (10)
The second tensioning screw (13) can enable the second tensioning baffle (22) to abut against or be separated from the locking pull disc (5) in a mode of sliding along the axial direction of the second tensioning screw.
9. The universal vertebral body repositor according to claim 7, wherein a first passive clamping block (3) is arranged at a first end of the support beam (15), a first fastening screw (2) is mounted on the first active clamping block (1) in a penetrating manner, and the first active clamping block (1) is movably connected with the first passive clamping block (3) in a manner that the first fastening screw (2) penetrates through the first passive clamping block (3).
10. The universal vertebral body repositor according to claim 9, wherein a second passive clamping block (8) is provided at a second end of the support beam (15), a second fastening screw (9) is mounted on the second active clamping block (7) in a penetrating manner, and the second active clamping block (7) is movably connected with the second passive clamping block (8) in a manner that the second fastening screw (9) penetrates the second passive clamping block (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920203471.0U CN210301182U (en) | 2019-02-15 | 2019-02-15 | Vertebral universal restorer for orthopedic spinal surgery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920203471.0U CN210301182U (en) | 2019-02-15 | 2019-02-15 | Vertebral universal restorer for orthopedic spinal surgery |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210301182U true CN210301182U (en) | 2020-04-14 |
Family
ID=70122001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920203471.0U Expired - Fee Related CN210301182U (en) | 2019-02-15 | 2019-02-15 | Vertebral universal restorer for orthopedic spinal surgery |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210301182U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111759434A (en) * | 2020-05-26 | 2020-10-13 | 常州集硕医疗器械有限公司 | Clamping equipment for internal fixation of spine and working method of clamping equipment |
CN113397681A (en) * | 2021-07-21 | 2021-09-17 | 皖南医学院第一附属医院(皖南医学院弋矶山医院) | Universal cylinder resetting device for orthopedic spinal surgery |
-
2019
- 2019-02-15 CN CN201920203471.0U patent/CN210301182U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111759434A (en) * | 2020-05-26 | 2020-10-13 | 常州集硕医疗器械有限公司 | Clamping equipment for internal fixation of spine and working method of clamping equipment |
CN111759434B (en) * | 2020-05-26 | 2021-04-06 | 常州集硕医疗器械有限公司 | Clamping equipment for internal fixation of spine and working method of clamping equipment |
CN113397681A (en) * | 2021-07-21 | 2021-09-17 | 皖南医学院第一附属医院(皖南医学院弋矶山医院) | Universal cylinder resetting device for orthopedic spinal surgery |
CN113397681B (en) * | 2021-07-21 | 2022-06-07 | 皖南医学院第一附属医院(皖南医学院弋矶山医院) | Universal cylinder resetting device for orthopedic spinal surgery |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4708794B2 (en) | Distraction and traction system for performing surgical procedures on the spine | |
US5498262A (en) | Spinal fixation apparatus and method | |
US5947965A (en) | Spinal fixation apparatus and method | |
AU707767B2 (en) | Anchoring device for posterior vertebral osteosynthesis | |
US6941951B2 (en) | Dynamic frame for prone surgical positioning | |
US9844400B2 (en) | Instrument and method for provisionally locking a polyaxial screw | |
US20080009863A1 (en) | Pedicle screw distractor and associated method of use | |
US9439691B2 (en) | Fixation-based surgery | |
CN210301182U (en) | Vertebral universal restorer for orthopedic spinal surgery | |
WO2007130699A9 (en) | Spine reduction and stabilization device | |
CN103876816A (en) | Lumbosacral anterior plate fixing device | |
US11357490B2 (en) | Distractor device and method | |
CN202078383U (en) | Internal fixator for pelvis | |
CN113648065B (en) | Clamping apparatus of pelvis fracture reduction robot | |
CN102178557B (en) | Pelvic internal fixation unit and application thereof | |
CN206924094U (en) | A kind of improved minimally invasive spine surgical drag hook | |
CN215079465U (en) | Extensible micro-power support | |
CN114287861A (en) | Instrument for effectively supporting observation mirror used in UBE operation | |
CN210121168U (en) | Medical supporting and pressurizing device and pedicle screw fixing system | |
RU2062612C1 (en) | Compression-distraction apparatus for treatment of injuries of hip joint | |
CN203017070U (en) | Lumbosacral anterior approach steel plate fixing device | |
CN205903298U (en) | Excellent headtotail pole of backbone nail | |
CN219963032U (en) | Cervical vertebra joint resetting device | |
CN113598924B (en) | Nail-setting device in orthopaedics operation | |
CN215688131U (en) | Improved automatic transverse process drag hook |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210215 |
|
CF01 | Termination of patent right due to non-payment of annual fee |