CN111759434B - Clamping equipment for internal fixation of spine and working method of clamping equipment - Google Patents
Clamping equipment for internal fixation of spine and working method of clamping equipment Download PDFInfo
- Publication number
- CN111759434B CN111759434B CN202010455381.8A CN202010455381A CN111759434B CN 111759434 B CN111759434 B CN 111759434B CN 202010455381 A CN202010455381 A CN 202010455381A CN 111759434 B CN111759434 B CN 111759434B
- Authority
- CN
- China
- Prior art keywords
- rotating
- spine
- seat
- waist
- plate
- 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.)
- Active
Links
Images
Classifications
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7059—Cortical plates
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
- A61B17/7064—Devices acting on, attached to, or simulating the effect of, vertebral facets; Tools therefor
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8061—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates specially adapted for particular bones
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses a clamping device for internal fixation of spine and a working method thereof, the invention places waist steel plates on a waist supporting seat at both sides of the waist spine, rotates a rotating shaft which drives the rotating plate to rotate, the rotating plate drives a rotating pull rod to rotate through two first rotating pins, then drives two waist steel plates to clamp both sides of the waist spine through symmetrical plates, rotates a fastening sleeve after clamping, and the fastening sleeve fixes the rotating shaft to further complete the fixation of the waist steel plates, through the structure, the clamping device for internal fixation of spine can effectively clamp the waist spine, the waist steel plates are not required to be fixed on the spine through steel nails, the pain effect of bolts on human body when the waist moves is reduced, meanwhile, the clamping device can effectively clamp and fix spines with different widths, and effectively clamp both sides of the waist spine through the waist steel plates, preventing lumbar vertebra protrusion of lumbar vertebral column.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to clamping equipment for internal fixation of a spine and a working method thereof.
Background
With the continuous development of social economy at present, the living standard of people is also continuously improved, the pursuit of the quality of life is different, and particularly the self health condition is realized.
In the present life, because the working pressure of most people is large, especially people working in a long-term sitting state, the occurrence status of spine diseases is particularly prominent, the long-term spine diseases can seriously affect the health of people, meanwhile, in the present life, after the spine diseases appear, the spine disease surgical treatment is generally solved most thoroughly, but the surgical treatment can touch various nerves at the spine part, the treatment can not cause the failure of the surgery, so equipment is needed to be used for clamping and correcting the spine, the existing spine clamping and correcting equipment needs to fix steel plates at two sides of the spine at the waist position through steel nails, although the steel nails are firm, the steel nails can easily cause pain effect to the human body when the waist moves, the existing equipment is difficult to adjust the clamping at the two sides of the spine at the waist position, the correcting effect is not good, and the horizontal rotation of the spine is not fixed, easily cause dislocation of the spine.
Disclosure of Invention
The invention aims to provide clamping equipment for internal fixation of a spine and a working method thereof, and solves the following technical problems: (1) by the structure, the clamping device for fixing the inside of the spine can effectively clamp the spine of the waist, the steel plate of the waist is not required to be fixed on the spine by steel nails, the pain effect of the steel nails on human bodies when the waist moves is reduced, and meanwhile, the clamping device can effectively clamp and fix the spines of different widths, the two sides of the waist spine are effectively clamped through the waist steel plate, so that the situation that the waist spine protrudes is prevented, the problem that in the prior art, spine clamping equipment fixes the waist spine through steel nails, pain is easily caused to a human body when the waist of the human body moves, and meanwhile, the clamping of the two sides of the waist spine is difficult to adjust through the existing spine clamping equipment is solved; (2) the spine steel plates on two sides of the positioning arm on the supporting arm are fixed on the spine of a human body through a second bolt, when the spine bends left and right, the second spinal cord fixing mechanism and the spine steel plate in the first spinal cord fixing mechanism drive the supporting arm to rotate left and right through the positioning arm, the supporting arm drives the first rotating block and the telescopic rod to rotate left and right through the supporting seat, and further drives the two supporting beams to rotate left and right, the two supporting beams are matched with the rotating pin to drive the rotating sleeve and the fixed sleeve on the supporting arm to rotate, so that left and right lateral bending of the spine is completed, when the spine bends back and forth, the spine steel plate in the second spinal cord fixing mechanism drives the supporting arm to rotate back and forth through the positioning arm, the supporting arm drives the first rotating block to rotate through the first mounting pin on the supporting seat, the first rotating block rotates through the first connecting pin, the telescopic rod is driven to stretch and retract, the telescopic rod rotates with the two supporting beams through the second connecting pin on the positioning seat, the spine steel plate in the first spinal fixation mechanism drives the supporting arms to rotate back and forth through the positioning arms, the telescopic rod rotates with the second rotating seat on the mounting seat through the second connecting pin on the positioning seat, and the back and forth bending of the spine is completed; (3) when the backbone is crooked from beginning to end, the support arm drives first rotation piece through the first mounting pin on the supporting seat and rotates, and first rotation piece takes place to rotate through first connecting pin and the first rotation seat on the mount pad, and the rotation takes place for the second mounting pin cooperation pole seat on the supporting seat to it is flexible to drive the telescopic link, through the setting of telescopic link, makes this backbone for internal fixation centre gripping equipment provide certain correction dynamics, solves the not good technical problem of correction dynamics of backbone centre gripping equipment among the prior art.
The purpose of the invention can be realized by the following technical scheme:
a clamping device for internal fixation of a vertebral column comprises a waist supporting seat, wherein a fixed block is arranged on the waist supporting seat, two positioning holes are formed in the fixed block, the fixed block is connected with two positioning columns through the two positioning holes, the waist supporting seat is fixedly connected with an installation seat through the two positioning columns, two strip-shaped plates are arranged on the waist supporting seat, two symmetrical plates are slidably arranged on the two strip-shaped plates, a waist steel plate is arranged on each symmetrical plate, a fixed plate is arranged between the two strip-shaped plates, the fixed plate is rotatably connected with a rotating plate, the rotating plate is rotatably connected with two rotating pull rods, one end of each rotating pull rod, far away from the rotating plate, is rotatably connected with the symmetrical plates, waist steel plates are fixedly arranged on the symmetrical plates, a first spinal cord fixing mechanism is arranged on the installation seat, a plurality of, first spinal cord fixed establishment is the same with second spinal cord fixed establishment structure, first spinal cord fixed establishment includes first rotation piece, first rotation piece rotates joint support seat, the supporting seat rotates and is connected with the telescopic link, install the positioning seat on the telescopic link, fixed mounting has the support arm on the supporting seat, install two location arms on the support arm, install the backbone steel sheet on the location arm, fixed mounting has fixed cover on the support arm, fixed cover rotates and connects the swivel sleeve, install two supporting beams on the swivel sleeve.
Further, install first rotation seat, second rotation seat on the mount pad, first rotation seat, second rotation seat are installed in mount pad top both sides respectively, install first connecting pin on the first rotation piece, first rotation piece on the first spinal cord fixed establishment rotates through first connecting pin and connects first rotation seat, first rotation piece on the second spinal cord fixed establishment rotates through first connecting pin and connects two supporting beams, install the second connecting pin on the positioning seat, positioning seat on the first spinal cord fixed establishment rotates through the second connecting pin and connects the second mount pad, positioning seat on the second spinal cord fixed establishment rotates through the second connecting pin and connects two supporting beams.
Further, two bar shaped plate mutual parallel mount are on the waist supporting seat, install two slide rails on the bar shaped plate, and two slide rails are installed in the bar shaped plate both sides respectively, the symmetry board is kept away from waist steel sheet one side and is installed two sliders, the symmetry board is through the slide rail on two bar shaped plate of two slider sliding connection.
Furthermore, the upper side and the lower side of the fixed plate are fixedly connected with two strip-shaped plates through bolts, a rotating shaft is rotatably mounted on the fixed plate and is mounted at the central position of the fixed plate, the fixed plate is rotatably connected with the rotating plate through the rotating shaft, and one end, far away from the rotating plate, of the rotating shaft penetrates through the waist supporting seat and is connected with a fastening sleeve.
Furthermore, the rotating plate is provided with two first rotating pins in a centering manner, the rotating plate is rotatably connected with a rotating pull rod through the first rotating pins, a second rotating pin is installed at one end, far away from the first rotating pins, of the rotating pull rod, and the rotating pull rod is rotatably connected with the symmetrical plates through the second rotating pins.
Further, telescopic link top fixed mounting has the pole seat, install first installation round pin, second installation round pin on the supporting seat, the supporting seat rotates through first installation round pin and connects first rotation piece, the supporting seat rotates through the second installation round pin and connects the pole seat on the telescopic link.
Furthermore, four first bolt holes are symmetrically formed in two sides of the supporting arm, first bolts are installed in the first bolt holes, the supporting arm is fixedly connected with the positioning arms through the first bolts, and the two positioning arms are symmetrically installed on two sides of the supporting arm.
Furthermore, two second bolt holes are formed in the spine steel plate, and second bolts are installed in the second bolt holes.
Furthermore, a through hole is formed in the fixing sleeve, a rotating pin is installed in the through hole in a rotating mode, the fixing sleeve is connected with the rotating sleeve in a rotating mode through the rotating pin in the through hole, the rotating pin penetrates through the rotating sleeve, and the two supporting beams are fixed on the rotating sleeve in parallel.
Further, the working method of the clamping device for the internal fixation of the spine is characterized by comprising the following steps:
the method comprises the following steps: the waist steel plates on the waist supporting seat are placed on two sides of a waist spine, the rotating shaft is rotated, the rotating shaft drives the rotating plate to rotate, the rotating plate drives the rotating pull rods to rotate through the two first rotating pins, the two rotating pull rods drive the two symmetrical plates to move in opposite directions through the second rotating pins, the two symmetrical plates move in opposite directions through the sliding blocks along the sliding rails on the two strip-shaped plates, the two waist steel plates are driven by the symmetrical plates to clamp two sides of the waist spine, the fastening sleeve is rotated after clamping, and the rotating shaft is fixed by the fastening sleeve, so that the fixation of the waist steel plates is completed;
step two; the spine steel plates on two sides of the positioning arm on the supporting arm are fixed on the spine of a human body through a second bolt, when the spine bends left and right, the supporting arm is driven by the positioning arm through the second spinal cord fixing mechanism and the spine steel plates in the first spinal cord fixing mechanism to rotate left and right, the supporting arm drives the first rotating block and the telescopic rod to rotate left and right through the supporting seat, and then the two supporting beams rotate left and right, the two supporting beams cooperate with the rotating pin to drive the rotating sleeve and the fixed sleeve on the supporting arm to rotate, and the left and right lateral bending of the spine is completed;
step three: when the spine bends forwards and backwards, the spine steel plate in the second spinal fixation mechanism drives the supporting arm to rotate forwards and backwards through the positioning arm, the supporting arm drives the first rotating block to rotate through the first mounting pin on the supporting seat, the first rotating block rotates with the two supporting beams through the first connecting pin, the second mounting pin on the supporting seat is matched with the rod seat to rotate, so as to drive the telescopic rod to stretch and retract, the telescopic rod rotates with the two supporting beams through the second connecting pin on the positioning seat, the spine steel plate in the first spinal fixation mechanism drives the supporting arm to rotate forwards and backwards through the positioning arm, the supporting arm drives the first rotating block to rotate through the first mounting pin on the supporting seat, the first rotating block rotates with the first rotating seat on the mounting seat through the first connecting pin, the second mounting pin on the supporting seat is matched with the rod seat to rotate, so as to drive the telescopic rod to stretch and retract, the telescopic rod rotates with the second rotating seat on the mounting seat through the, completing the anteroposterior curvature of the spine.
The invention has the beneficial effects that:
(1) the invention relates to a clamping device for internal fixation of a spine and a working method thereof, which are characterized in that a waist steel plate on a waist supporting seat is placed on two sides of the waist spine, a rotating shaft is rotated to drive a rotating plate to rotate, the rotating plate drives a rotating pull rod to rotate through two first rotating pins, the two rotating pull rods drive two symmetrical plates to move oppositely through second rotating pins, the two symmetrical plates move oppositely along sliding rails on two strip-shaped plates through a sliding block, the two waist steel plates are driven by the symmetrical plates to clamp two sides of the waist spine, a fastening sleeve is rotated after clamping, the rotating shaft is fixed by the fastening sleeve, and then the fixation of the waist steel plate is completed, through the structure, the clamping device for internal fixation of the spine can effectively clamp the waist spine, the waist steel plate is not required to be fixed on the spine through steel nails, and the pain effect of a human body caused by bolts during the, meanwhile, the clamping equipment can effectively clamp and fix spines with different widths, and effectively clamp two sides of the lumbar spine through the lumbar steel plate, so that the lumbar spine is prevented from protruding;
(2) the spine steel plates on two sides of the positioning arm on the supporting arm are fixed on the spine of a human body through a second bolt, when the spine bends left and right, the second spinal cord fixing mechanism and the spine steel plate in the first spinal cord fixing mechanism drive the supporting arm to rotate left and right through the positioning arm, the supporting arm drives the first rotating block and the telescopic rod to rotate left and right through the supporting seat, and further drives the two supporting beams to rotate left and right, the two supporting beams are matched with the rotating pin to drive the rotating sleeve and the fixed sleeve on the supporting arm to rotate, so that left and right lateral bending of the spine is completed, when the spine bends back and forth, the spine steel plate in the second spinal cord fixing mechanism drives the supporting arm to rotate back and forth through the positioning arm, the supporting arm drives the first rotating block to rotate through the first mounting pin on the supporting seat, the first rotating block rotates through the first connecting pin, the telescopic rod is driven to stretch and retract, the telescopic rod and the two supporting beams rotate through the second connecting pin on the positioning seat, the spinal steel plate in the first spinal fixation mechanism drives the supporting arms to rotate back and forth through the positioning arms, the telescopic rod rotates through the second connecting pin on the positioning seat and the second rotating seat on the mounting seat, and the back and forth bending of the spine is completed, so that the left and right lateral bending and the back and forth bending of the main spine cannot be influenced when the clamping device for internal fixation of the spine clamps and fixes the spine of a human body through the structure, meanwhile, the clamping device cannot rotate in the horizontal direction, the main spine of the human body is well fixed, and the phenomenon that the spine is misplaced due to horizontal rotation in the spine recovery process is prevented;
(3) when the backbone is crooked from beginning to end, the support arm drives first rotation piece through the first mounting pin on the supporting seat and rotates, and first rotation piece takes place to rotate through first connecting pin and the first rotation seat on the mount pad, and the rotation takes place for the second mounting pin cooperation pole seat on the supporting seat to it is flexible to drive the telescopic link, through the setting of telescopic link, makes this backbone centre gripping equipment for internal fixation provide certain correction dynamics, guarantees the good correction effect to the backbone.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a clamping device for internal fixation of the spine according to the present invention;
FIG. 2 is a rear view of the lumbar support of the present invention;
FIG. 3 is a schematic structural view of the mount of the present invention;
FIG. 4 is a rear elevational view of a first spinal fixation mechanism of the present invention;
FIG. 5 is a block diagram of a first spinal fixation mechanism of the present invention;
FIG. 6 is a schematic view of a support arm of the present invention;
FIG. 7 is a schematic structural view of a spinal steel plate according to the present invention;
fig. 8 is a schematic view of the installation of the waist steel plate of the present invention.
In the figure: 1. a waist support seat; 2. a positioning column; 3. a mounting seat; 31. a first rotating base; 32. a second rotating base; 4. a first spinal cord fixation mechanism; 41. a second spinal fixation mechanism; 5. a strip plate; 6. a symmetric plate; 7. a waist steel plate; 8. a fixing plate; 9. a rotating shaft; 10. a rotating plate; 11. fastening sleeves; 12. rotating the pull rod; 121. a first rotation pin; 122. a second rotation pin; 13. a fixed block; 14. a first rotating block; 141. a first connecting pin; 15. a supporting seat; 151. a first mounting pin; 152. a second mounting pin; 16. a telescopic rod; 161. a rod seat; 17. positioning seats; 171. a second connecting pin; 18. a support arm; 181. a first bolt hole; 182. a first bolt; 19. a positioning arm; 20. spinal steel plate; 201. a second bolt hole; 202. a second bolt; 21. fixing a sleeve; 211. a through hole; 212. a rotation pin; 22. a rotating sleeve; 23. and supporting the beam.
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 is a clamping device for internal fixation of spine, comprising a waist supporting seat 1, a fixing block 13 mounted on the waist supporting seat 1, two positioning holes formed on the fixing block 13, the fixing block 13 connected to two positioning posts 2 through the two positioning holes, the waist supporting seat 1 fixedly connected to an installation seat 3 through the two positioning posts 2, two strip-shaped plates 5 mounted on the waist supporting seat 1, two symmetrical plates 6 slidably mounted on the two strip-shaped plates 5, a waist steel plate 7 mounted on the symmetrical plates 6, a fixing plate 8 mounted between the two strip-shaped plates 5, the fixing plate 8 rotatably connected to a rotating plate 10, two rotating pull rods 12 rotatably connected to the rotating plate 10, the rotating pull rod 12 having one end far from the rotating plate 10 rotatably connected to the symmetrical plates 6, the waist steel plate 7 fixedly mounted on the symmetrical plates 6, and a first spinal cord fixing mechanism, all be provided with a plurality of second spinal cord fixed establishment 41 on the first spinal cord fixed establishment 4, first spinal cord fixed establishment 4 is the same with 41 structures of second spinal cord fixed establishment, first spinal cord fixed establishment 4 includes first rotation piece 14, first rotation piece 14 rotates joint support seat 15, support seat 15 rotates and is connected with telescopic link 16, install positioning seat 17 on the telescopic link 16, fixed mounting has support arm 18 on the support seat 15, install two locating arm 19 on the support arm 18, install backbone steel sheet 20 on the locating arm 19, fixed mounting has fixed cover 21 on the support arm 18, fixed cover 21 rotates and connects swivel housing 22, install two supporting beam 23 on the swivel housing 22.
Specifically, the mounting base 3 is provided with a first rotating base 31 and a second rotating base 32, the first rotating base 31 and the second rotating base 32 are respectively mounted on two sides of the top of the mounting base 3, the first rotating block 14 is provided with a first connecting pin 141, the first rotating block 14 on the first spinal cord fixing mechanism 4 is rotatably connected with the first rotating base 31 through the first connecting pin 141, the first rotating block 14 on the second spinal cord fixing mechanism 41 is rotatably connected with the two supporting beams 23 through the first connecting pin 141, the positioning base 17 is provided with a second connecting pin 171, the positioning base 17 on the first spinal cord fixing mechanism 4 is rotatably connected with the second mounting base 32 through the second connecting pin 171, and the positioning base 17 on the second spinal cord fixing mechanism 41 is rotatably connected with the two supporting beams 23 through the second connecting pin 171. Two mutual parallel mount of strip shaped plate 5 are on waist supporting seat 1, install two slide rails on strip shaped plate 5, and two slide rails are installed in strip shaped plate 5 both sides respectively, and waist steel sheet 7 one side is kept away from to symmetrical board 6 and two sliders are installed, and symmetrical board 6 is through the slide rail on two strip shaped plate 5 of two slider sliding connection. The upper and lower both sides of fixed plate 8 are all through two bar plates 5 of bolt fixed connection, rotate on the fixed plate 8 and install rotation axis 9, and rotation axis 9 is installed in 8 central points of fixed plate and is put, and fixed plate 8 rotates through rotation axis 9 and connects rotor plate 10, and rotation axis 9 is kept away from rotor plate 10 one end and is run through waist supporting seat 1 and be connected with adapter sleeve 11. Two first rotating pins 121 are arranged on the rotating plate 10 in a centering manner, the rotating plate 10 is rotatably connected with a rotating pull rod 12 through the first rotating pins 121, a second rotating pin 122 is installed at one end, far away from the first rotating pins 121, of the rotating pull rod 12, and the rotating pull rod 12 is rotatably connected with the symmetrical plate 6 through the second rotating pin 122. The top of the telescopic rod 16 is fixedly provided with a rod seat 161, the supporting seat 15 is provided with a first mounting pin 151 and a second mounting pin 152, the supporting seat 15 is rotatably connected with the first rotating block 14 through the first mounting pin 151, and the supporting seat 15 is rotatably connected with the rod seat 161 on the telescopic rod 16 through the second mounting pin 152. Four first bolt holes 181 have been seted up to support arm 18 bilateral symmetry, install first bolt 182 in the first bolt hole 181, and support arm 18 passes through first bolt 182 fixed connection locating arm 19, and two locating arms 19 symmetry are installed in support arm 18 both sides. Two second bolt holes 201 are formed in the spine steel plate 20, and second bolts 202 are installed in the second bolt holes 201. The fixing sleeve 21 is provided with a through hole 211, a rotating pin 212 is rotatably mounted in the through hole 211, the fixing sleeve 21 is rotatably connected with the rotating sleeve 22 through the rotating pin 212 in the through hole 211, the rotating pin 212 penetrates through the rotating sleeve 22, and the two supporting beams 23 are fixed on the rotating sleeve 22 in parallel.
Referring to fig. 1 to 8, the operation of the clamping device for internal fixation of spine of the present embodiment is as follows:
the method comprises the following steps: the waist steel plates 7 on the waist supporting seat 1 are placed on two sides of a waist spine, the rotating shaft 9 is rotated, the rotating shaft 9 drives the rotating plate 10 to rotate, the rotating plate 10 drives the rotating pull rods 12 to rotate through the two first rotating pins 121, the two rotating pull rods 12 drive the two symmetrical plates 6 to move in opposite directions through the second rotating pins 122, the two symmetrical plates 6 move in opposite directions through the sliding blocks along the sliding rails on the two strip-shaped plates 5, the two waist steel plates 7 are driven through the symmetrical plates 6 to clamp two sides of the waist spine, the fastening sleeve 11 is rotated after clamping, the rotating shaft 9 is fixed through the fastening sleeve 11, and then the fixing of the waist steel plates 7 is completed;
step two; the spine steel plates 20 at two sides of the positioning arm 19 on the supporting arm 18 are fixed on the spine of a human body through the second bolt 202, when the spine bends left and right, the supporting arm 18 is driven by the second spinal cord fixing mechanism 41 and the spine steel plate 20 in the first spinal cord fixing mechanism 4 through the positioning arm 19 to rotate left and right, the supporting arm 18 drives the first rotating block 14 and the telescopic rod 16 to rotate left and right through the supporting seat 15, and further drives the two supporting beams 23 to rotate left and right, and the two supporting beams 23 cooperate with the rotating pin 212 to drive the rotating sleeve 22 and the fixed sleeve 21 on the supporting arm 18 to rotate, so that the left and right lateral bending of the spine;
step three: when the spine is bent forwards and backwards, the spine steel plate 20 in the second spinal fixation mechanism 41 drives the support arm 18 to rotate forwards and backwards through the positioning arm 19, the support arm 18 drives the first rotation block 14 to rotate through the first mounting pin 151 on the support seat 15, the first rotation block 14 rotates with the two support beams 23 through the first connecting pin 141, the second mounting pin 152 on the support seat 15 cooperates with the rod seat 161 to rotate, so as to drive the telescopic rod 16 to extend and retract, the telescopic rod 16 rotates with the two support beams 23 through the second connecting pin 171 on the positioning seat 17, the spine steel plate 20 in the first spinal fixation mechanism 4 drives the support arm 18 to rotate forwards and backwards through the positioning arm 19, the support arm 18 drives the first rotation block 14 to rotate through the first mounting pin 151 on the support seat 15, the first rotation block 14 rotates with the first rotation seat 31 on the mounting seat 3 through the first connecting pin 141, the second mounting pin 152 on the support seat 15 cooperates with the rod seat 161 to rotate, thereby driving the telescopic rod 16 to extend and retract, and the telescopic rod 16 rotates with the second rotating seat 32 on the mounting seat 3 through the second connecting pin 171 on the positioning seat 17, thereby completing the front and back bending of the spine.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (9)
1. The clamping equipment for internal fixation of the spine is characterized by comprising a waist supporting seat (1), wherein a fixing block (13) is installed on the waist supporting seat (1), two positioning holes are formed in the fixing block (13), the fixing block (13) is connected with two positioning columns (2) through the two positioning holes, the waist supporting seat (1) is fixedly connected with a mounting seat (3) through the two positioning columns (2), two strip-shaped plates (5) are installed on the waist supporting seat (1), two symmetrical plates (6) are installed on the two strip-shaped plates (5) in a sliding manner, a waist steel plate (7) is installed on each symmetrical plate (6), a fixing plate (8) is installed between the two strip-shaped plates (5), the fixing plate (8) is rotatably connected with a rotating plate (10), the rotating plate (10) is rotatably connected with two rotating pull rods (12), one end of each rotating pull rod (12), far away from the rotating plate (10), is rotatably, fixed mounting waist steel sheet (7) on symmetry board (6), install first spinal cord fixed establishment (4) on mount pad (3), all be provided with a plurality of second spinal cord fixed establishment (41) on first spinal cord fixed establishment (4), first spinal cord fixed establishment (4) are the same with second spinal cord fixed establishment (41) structure, first spinal cord fixed establishment (4) are including first turning block (14), first turning block (14) rotate connection supporting seat (15), supporting seat (15) rotate and are connected with telescopic link (16), install positioning seat (17) on telescopic link (16), fixed mounting has support arm (18) on supporting seat (15), install two location arm (19) on support arm (18), install backbone steel sheet (20) on location arm (19), fixed mounting has fixed cover (21) on support arm (18), fixed cover (21) rotate to be connected swivel mount (22), install two supporting beams (23) on swivel mount (22).
2. The clamping device for internal spinal fixation according to claim 1, wherein the mounting seat (3) is provided with a first rotating seat (31) and a second rotating seat (32), the first rotating seat (31) and the second rotating seat (32) are respectively mounted on two sides of the top of the mounting seat (3), the first rotating block (14) is provided with a first connecting pin (141), the first rotating block (14) on the first spinal fixation mechanism (4) is rotatably connected with the first rotating seat (31) through the first connecting pin (141), the first rotating block (14) on the second spinal fixation mechanism (41) is rotatably connected with the two supporting beams (23) through the first connecting pin (141), the positioning seat (17) is provided with a second connecting pin (171), the positioning seat (17) on the first spinal fixation mechanism (4) is rotatably connected with the second mounting seat (32) through the second connecting pin (171), the positioning seat (17) on the second spinal cord fixing mechanism (41) is rotatably connected with the two supporting beams (23) through a second connecting pin (171).
3. The clamping device for internal fixation of the spine according to claim 1, wherein two strip-shaped plates (5) are arranged on the waist supporting seat (1) in parallel, two sliding rails are arranged on the strip-shaped plates (5), the two sliding rails are respectively arranged on two sides of the strip-shaped plates (5), two sliding blocks are arranged on one side of the symmetrical plate (6) away from the waist steel plate (7), and the symmetrical plate (6) is slidably connected with the sliding rails on the two strip-shaped plates (5) through the two sliding blocks.
4. The clamping device for the internal fixation of the spine, as claimed in claim 1, wherein the two strip-shaped plates (5) are fixedly connected to the upper and lower sides of the fixed plate (8) through bolts, the rotating shaft (9) is rotatably mounted on the fixed plate (8), the rotating shaft (9) is mounted at the central position of the fixed plate (8), the fixed plate (8) is rotatably connected to the rotating plate (10) through the rotating shaft (9), and one end of the rotating shaft (9) far away from the rotating plate (10) penetrates through the lumbar support base (1) and is connected to the fastening sleeve (11).
5. The clamping device for internal fixation of the spine as claimed in claim 1, wherein the rotating plate (10) is provided with two first rotating pins (121) in a center, the rotating plate (10) is rotatably connected with the rotating pull rod (12) through the first rotating pins (121), a second rotating pin (122) is mounted at one end of the rotating pull rod (12) far away from the first rotating pins (121), and the rotating pull rod (12) is rotatably connected with the symmetrical plate (6) through the second rotating pin (122).
6. The clamping device for the internal fixation of the spine as claimed in claim 1, wherein a rod seat (161) is fixedly installed at the top of the telescopic rod (16), the first installation pin (151) and the second installation pin (152) are installed on the supporting seat (15), the supporting seat (15) is rotatably connected with the first rotating block (14) through the first installation pin (151), and the supporting seat (15) is rotatably connected with the rod seat (161) on the telescopic rod (16) through the second installation pin (152).
7. The clamping device for internal fixation of the spine according to claim 1, wherein four first bolt holes (181) are symmetrically formed in two sides of the supporting arm (18), a first bolt (182) is installed in each first bolt hole (181), the supporting arm (18) is fixedly connected with the positioning arms (19) through the first bolts (182), and the two positioning arms (19) are symmetrically installed on two sides of the supporting arm (18).
8. The clamping device for the internal fixation of the spine according to claim 1, wherein two second bolt holes (201) are formed in the spine steel plate (20), and second bolts (202) are installed in the second bolt holes (201).
9. The clamping device for internal fixation of the spine as claimed in claim 1, wherein the fixing sleeve (21) is provided with a through hole (211), the through hole (211) is rotatably provided with a rotating pin (212), the fixing sleeve (21) is rotatably connected with the rotating sleeve (22) through the rotating pin (212) in the through hole (211), the rotating pin (212) penetrates through the rotating sleeve (22), and the two supporting beams (23) are fixed on the rotating sleeve (22) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010455381.8A CN111759434B (en) | 2020-05-26 | 2020-05-26 | Clamping equipment for internal fixation of spine and working method of clamping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010455381.8A CN111759434B (en) | 2020-05-26 | 2020-05-26 | Clamping equipment for internal fixation of spine and working method of clamping equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111759434A CN111759434A (en) | 2020-10-13 |
| CN111759434B true CN111759434B (en) | 2021-04-06 |
Family
ID=72719371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010455381.8A Active CN111759434B (en) | 2020-05-26 | 2020-05-26 | Clamping equipment for internal fixation of spine and working method of clamping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111759434B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2528400Y (en) * | 2001-05-16 | 2003-01-01 | 阎德强 | Bar-interlink articular orthotast |
| WO2008157472A1 (en) * | 2007-06-15 | 2008-12-24 | Applied Spine Technologies, Inc. | Multi-level spinal stabilization system |
| CN101785695A (en) * | 2010-01-31 | 2010-07-28 | 赵胜 | Automatic-extending and anti-revolving scoliosis correcting system |
| CN102573679A (en) * | 2009-07-30 | 2012-07-11 | 思邦科技脊柱智慧集团股份公司 | Spine fixation system |
| CN103781429A (en) * | 2011-06-03 | 2014-05-07 | 科斯班公司 | Spinal correction system actuators |
| CN206303960U (en) * | 2016-06-08 | 2017-07-07 | 常州迪恩医疗器械有限公司 | The multi-faceted orthopedic external fixer of vertebral column minimally invasive |
| CN210301182U (en) * | 2019-02-15 | 2020-04-14 | 贵州省骨科医院 | Vertebral universal restorer for orthopedic spinal surgery |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7896906B2 (en) * | 2004-12-30 | 2011-03-01 | Depuy Spine, Inc. | Artificial facet joint |
| US8025680B2 (en) * | 2004-10-20 | 2011-09-27 | Exactech, Inc. | Systems and methods for posterior dynamic stabilization of the spine |
| US9763705B2 (en) * | 2014-10-03 | 2017-09-19 | Globus Medical, Inc. | Orthopedic stabilization devices and methods for installation thereof |
-
2020
- 2020-05-26 CN CN202010455381.8A patent/CN111759434B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2528400Y (en) * | 2001-05-16 | 2003-01-01 | 阎德强 | Bar-interlink articular orthotast |
| WO2008157472A1 (en) * | 2007-06-15 | 2008-12-24 | Applied Spine Technologies, Inc. | Multi-level spinal stabilization system |
| CN102573679A (en) * | 2009-07-30 | 2012-07-11 | 思邦科技脊柱智慧集团股份公司 | Spine fixation system |
| CN101785695A (en) * | 2010-01-31 | 2010-07-28 | 赵胜 | Automatic-extending and anti-revolving scoliosis correcting system |
| CN103781429A (en) * | 2011-06-03 | 2014-05-07 | 科斯班公司 | Spinal correction system actuators |
| CN206303960U (en) * | 2016-06-08 | 2017-07-07 | 常州迪恩医疗器械有限公司 | The multi-faceted orthopedic external fixer of vertebral column minimally invasive |
| CN210301182U (en) * | 2019-02-15 | 2020-04-14 | 贵州省骨科医院 | Vertebral universal restorer for orthopedic spinal surgery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111759434A (en) | 2020-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111972845A (en) | Desk and chair capable of preventing student from humpback | |
| CN111759434B (en) | Clamping equipment for internal fixation of spine and working method of clamping equipment | |
| CN107411814B (en) | Reset forceps and acromioclavicular joint reset fixer | |
| CN211301944U (en) | Lower limb rehabilitation training device for cerebral apoplexy patient | |
| CN215306024U (en) | Image branch of academic or vocational study positioning device | |
| CN216908136U (en) | Joint surgery operation fixing and supporting device | |
| CN107744256B (en) | Liftable desk | |
| CN212235204U (en) | A position alignment jig for prone position operation | |
| CN109864871B (en) | Recovered apparatus of tumour postoperative shank | |
| CN210056661U (en) | External fixing device for limbs for orthopedic operation | |
| CN114452146A (en) | Brain surgery operation device capable of fixing head | |
| CN219184051U (en) | Reduction spreader for upper limb fracture | |
| CN219109686U (en) | Spine supporting stabilizer | |
| CN219481316U (en) | Pelvic floor muscle electrode probe fixing mechanism | |
| CN216675942U (en) | Auxiliary device for neurosurgery operation | |
| CN213156555U (en) | Arm fixing device for coronary artery interventional therapy for clinical cardiology department | |
| CN211156871U (en) | Adjustable auxiliary body-side device | |
| CN211633527U (en) | Combined tension external fixing frame | |
| CN214967268U (en) | Embedded supplementary board of correcting of backbone | |
| CN210493309U (en) | Auxiliary learning device for standing-by examination of economic teacher's job title | |
| CN210158878U (en) | Leg support plate for orthopedic diagnosis and treatment bed | |
| CN112791347B (en) | Multipurpose university sports equipment | |
| CN212346852U (en) | Orthopedic splint mounting and fastening device | |
| CN219480138U (en) | Neck bracket for CT | |
| CN112656632B (en) | Auxiliary device for gynecological operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |