CN108498133B - Multifunctional vertebral endplate processor - Google Patents
Multifunctional vertebral endplate processor Download PDFInfo
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- CN108498133B CN108498133B CN201810654785.2A CN201810654785A CN108498133B CN 108498133 B CN108498133 B CN 108498133B CN 201810654785 A CN201810654785 A CN 201810654785A CN 108498133 B CN108498133 B CN 108498133B
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- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 231100000732 tissue residue Toxicity 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims 1
- 238000011282 treatment Methods 0.000 abstract description 30
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009194 climbing Effects 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 22
- 230000004927 fusion Effects 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- 206010061619 Deformity Diseases 0.000 description 1
- 206010055040 Intervertebral disc injury Diseases 0.000 description 1
- 208000006670 Multiple fractures Diseases 0.000 description 1
- 208000020307 Spinal disease Diseases 0.000 description 1
- 230000000735 allogeneic effect Effects 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000015122 neurodegenerative disease Diseases 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 208000003001 spinal tuberculosis Diseases 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1659—Surgical rasps, files, planes, or scrapers
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
- A61B2017/0256—Joint distractors for the spine
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model provides a multifunctional vertebral body endplate treater, includes handle, processing portion and supporting part integrate in the tip of handle, and the supporting part is two pairs of supporting elements that set up side by side, and processing portion sets up in the centre of two pairs of supporting elements, and the handle is inside to be provided with to prop open the mechanism and be connected with two pairs of supporting elements to drive two pairs of supporting elements and prop open the centrum clearance, and the handle is inside still to be provided with climbing mechanism and to handle actuating mechanism and to be connected with processing portion respectively, and control processing portion jack-up is handled the centrum surface after contacting with the centrum surface. The multifunctional vertebral endplate processor provided by the invention can achieve the effect of expanding the gap between vertebral bodies, simultaneously can synchronously perform endplate treatment operation, achieves the effect of rapidly treating one intervertebral gap at a time, has a simple structure, is convenient to operate, and greatly improves the operation quality.
Description
Technical Field
The invention relates to the technical field of medical surgical instruments, in particular to a multifunctional vertebral endplate processor.
Background
Spinal fusion is one of the most clinically used surgical modes at present, and is an effective means for treating spinal diseases such as spinal tuberculosis, infection, deformity, degenerative disease, intervertebral disc injury and the like. The interbody fusion cage is implanted in the intervertebral space, a large amount of autologous bones or allogeneic bones are implanted at the same time, and a firm bone bridge is created between two or more vertebrae, so that interbody fusion is realized, and the purpose of stabilizing the spine is achieved.
When the intervertebral bone grafting fusion is carried out, the nucleus pulposus forceps, the end plate reamer and the scraper are adopted to thoroughly remove tissues such as nucleus pulposus, annulus fibrosus and cartilage end plates of an intervertebral bone grafting intervertebral space in operation, so that the vertebral body osseous end plates are exposed, the osseous contact area of a bone grafting surface is increased, the bone grafting surface has enough biomechanical strength, and then the intervertebral fusion device filled with broken bones is implanted.
However, the existing expansion instrument only has the function of expanding the gap between vertebral bodies, the subsequent endplate treatment needs more operation instruments to support, the steps are complicated, more operation time is consumed, the operation risk is increased, the gaps between different vertebral bodies are different when the vertebral body endplates are treated, the gap between the vertebral bodies is loosened and increased along with the endplate treatment, the expansion instrument needs to be adjusted in time, and the subsequent vertebral body endplate treatment operation is affected to a certain extent.
In view of the foregoing, it is desirable to provide a processor that can achieve the effect of expanding the interbody space while simultaneously performing endplate treatment procedures.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a multifunctional vertebral endplate processor, which is integrated with a supporting plate and a treating portion, wherein the supporting portion expands a vertebral body gap and maintains the same at a certain height, and then the height of the treating portion is adjusted according to the expanded vertebral body gap, so that a plurality of treating cutter heads on the treating portion are contacted with the surface of a vertebral body bone, and simultaneously, a plurality of treating scrapers are manually controlled to move on the surface of the vertebral body bone to realize a treating operation of the vertebral endplate.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a multifunctional vertebral body endplate treater, includes handle, processing portion and supporting part integrate in the tip of handle, the supporting part is two pairs of supporting elements that set up side by side, processing portion sets up in the centre of two pairs of supporting elements, the inside mechanism that struts that is provided with of handle is connected with two pairs of supporting elements to drive two pairs of supporting elements struts the centrum clearance, the inside climbing mechanism that still is provided with of handle and the processing actuating mechanism are connected with processing portion respectively, control processing portion jack-up to handle the centrum surface after contacting with the centrum surface.
Preferably, the supporting unit comprises two supporting plates arranged up and down, the opening mechanism comprises a supporting moving rod, the end part of the supporting moving rod is connected with the inner surface of the supporting plate arranged up and down through a plurality of connecting rods, the end part of the handle is also connected with the end part of the supporting plate arranged up and down through the connecting rods, and the supporting moving rod slides back and forth in the handle and controls the supporting plate to be supported and retracted through the plurality of connecting rods.
Preferably, the opening mechanism further comprises a first handheld rotating member, one end portion of the first handheld rotating member is rotatably sleeved in the handle, and the first handheld rotating member is fixedly connected with one end of the supporting moving rod, which is not provided with the connecting rod, through the connecting member.
Preferably, the support moving rod is in a U shape, two ends of the support moving rod are respectively connected with the inner surfaces of the support plates arranged up and down in the two pairs of support units through a plurality of connecting rods, and the bottoms of the support moving rod are connected with the first handheld rotating piece through connecting pieces.
Preferably, the part of the first hand-held rotating member sleeved in the handle is provided with threads on the surface, a first thread sleeve is arranged in the handle corresponding to the first hand-held rotating member, and the first hand-held rotating member is matched with the first thread sleeve through the threads on the surface of the first hand-held rotating member so as to form threaded connection with the handle.
Preferably, the treatment part is a transmission belt forming a loop, a plurality of parallel treatment scrapers are uniformly arranged on the outer surface of the transmission belt, a containing sleeve is arranged in a space from the upper part of the transmission belt to the knife handle of the treatment scrapers, a containing cavity capable of containing endplate tissue residues is formed between the containing sleeve and the transmission belt, and the knife handle of the treatment scrapers is fixed in the containing cavity.
Preferably, a pressure sensing contact point is arranged at the cutter head of the processing scraper.
Preferably, the jacking mechanism comprises a jacking moving rod, one end of the jacking moving rod extends into the transmission belt, a plurality of connecting rods with top plates are arranged on the surface of the rod body and the end part of the rod body and are connected with the inner surface of the transmission belt, and the jacking moving rod slides back and forth in the handle and controls the transmission belt to be supported and retracted through the plurality of connecting rods with the top plates.
Preferably, the top plate on the connecting rod arranged on the surface of the lifting moving rod body is in a plane shape and is in contact with the inner surface of the conveying belt, and the top plate on the connecting rod arranged on the end part of the lifting moving rod body is in an arc shape and is in contact with the inner surface of the conveying belt.
Preferably, the planar top plate surface is provided with a pressure sensing sheet.
Preferably, the jacking mechanism further comprises a second handheld rotating member, one end part of the second handheld rotating member is rotatably sleeved in the handle, and the second handheld rotating member is fixedly connected with one end of the jacking moving rod, which is not provided with the connecting rod, through the connecting piece.
Preferably, the part of the second handheld rotating member sleeved in the handle is provided with threads on the surface, a second thread sleeve is arranged in the handle corresponding to the second handheld rotating member, and the second handheld rotating member is matched with the second thread sleeve through the threads on the surface of the second handheld rotating member so as to form threaded connection with the handle.
Preferably, the processing driving mechanism comprises a detachable hand driving piece and a driven wheel, the driven wheel is fixed on the jacking moving rod and is abutted against the inner surface of the transmission belt, the hand driving piece is arranged outside the handle and is movably connected with the end part of the second hand-held rotating piece, and the hand driving piece is connected with the driven wheel through a chain penetrating through the second hand-held rotating piece.
Preferably, the hand-operated driving piece comprises a driving wheel and a hand crank, wherein the driving wheel is in transmission connection with the driven wheel through a chain, and the hand crank is fixed at the axis of the driving wheel.
Compared with the prior art, the multifunctional vertebral endplate processor provided by the invention has the advantages that the processor is inserted between two vertebrae, the two pairs of supporting units are spread by the spreading mechanism, so that the vertebrae are spread to a proper gap, the processing scraper on the processing part is lifted to be in contact with the bone surface of the vertebrae by the jacking mechanism, finally, the hand-operated driving piece is manually operated, the driven rotation abutted with the transmission belt is driven by the shaking driving wheel, so that the transmission belt is driven to rotate, and the processing scraper on the surface of the transmission belt processes the bone surface of the vertebrae until the whole processing process is completed. The processor has simple structure, convenient operation, real-time adjustment of the expansion height and the processing rhythm, and better clinical popularization.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a multi-functional vertebral endplate processor according to the present invention;
FIG. 2 is a schematic cross-sectional view of a multi-functional vertebral endplate processor according to the present invention;
FIG. 3 is a schematic view of a support portion of a multi-functional vertebral endplate processor according to the present invention;
fig. 4 is a schematic structural view of a treatment portion in a multifunctional vertebral endplate treatment device according to the present invention.
Reference numerals and description of the components referred to in the drawings:
1. a handle; 2. a supporting unit; 3. a support plate; 4. supporting the moving rod; 5. a connecting rod; 6. a first hand-held rotating member; 7. a connecting piece; 8. a first threaded sleeve; 9. a transmission belt; 10. a processing scraper; 11. lifting the moving rod; 12. a top plate; 13. a second handheld rotating member; 14. a second threaded sleeve; 15. a hand-operated driving piece; 16. driven wheel; 17. a chain; 18. a driving wheel; 19. a hand crank; 20. a receiving sleeve; 21. a receiving cavity; 22. pressure sensor sheet.
Detailed Description
The prior art only has the function of expanding the clearance of the vertebral body, the subsequent endplate treatment needs more surgical instruments for supporting, the steps are complicated, more surgical time is consumed, surgical risks are increased, the clearance between different vertebral bodies is different when the vertebral body endplate is treated, the clearance between the vertebral bodies is loosened and increased along with the endplate treatment, the expansion instruments need to be adjusted in time, and the subsequent vertebral body endplate treatment operation is affected to a certain extent.
In view of the above, the present invention provides a processor capable of achieving the effect of expanding the interbody space and simultaneously performing endplate treatment operations.
The technical scheme of the present invention will be clearly and completely described in the following detailed description. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, a multifunctional vertebral endplate processor comprises a handle 1, a processing part and a supporting part, wherein the processing part and the supporting part are integrated at the end part of the handle 1, and can simultaneously realize the expansion of two vertebral bodies and the processing of the bone surface of the vertebral body. The supporting part is two pairs of supporting units 2 which are arranged side by side, the processing part is arranged in the middle of the two pairs of supporting units 2, the supporting mechanism is arranged inside the handle 1 and connected with the two pairs of supporting units 2, the two pairs of supporting units 2 are driven to prop up the vertebral body gap and are adjusted to a proper height, the jacking mechanism and the processing driving mechanism are further arranged inside the handle 1 and are respectively connected with the processing part, and the processing part is controlled to jack up to contact with the surface of the vertebral body and then process the surface of the vertebral body.
Specifically, the supporting unit 2 comprises two supporting plates 3 which are arranged up and down, the opening mechanism comprises a supporting moving rod 4, the end part of the supporting moving rod 4 is connected with the inner surface of the supporting plate 3 which is arranged up and down through a plurality of connecting rods 5, the end part of the handle 1 is also connected with the end part of the supporting plate 3 which is arranged up and down through the connecting rods 5, and the supporting moving rod 4 slides back and forth in the handle 1 and controls the supporting plate 3 to be opened and retracted through the plurality of connecting rods 5.
The opening mechanism further comprises a first hand-held rotating member 6, one end part of the first hand-held rotating member 6 is rotatably sleeved in the handle 1, one end of the first hand-held rotating member, which is not provided with the connecting rod 5, is fixedly connected with the support moving rod 4 through the connecting member 7, the other end of the first hand-held rotating member extends to the outside of the handle 1, threads are formed on the surface of the part, which is sleeved in the handle 1, of the first hand-held rotating member 6, a first thread sleeve 8 is arranged at the position, corresponding to the first hand-held rotating member 6, in the handle 1, and the first hand-held rotating member 6 is matched with the first thread sleeve 8 through threads on the surface of the first hand-held rotating member so as to be in threaded connection with the handle 1.
As a preferred scheme, the supporting and moving rod 4 can be in a U shape, two ends of the supporting and moving rod are respectively connected with the inner surfaces of the supporting plates 3 arranged up and down in the two pairs of supporting units 2 through a plurality of connecting rods 5, the bottom of the supporting and moving rod is connected with the first handheld rotating piece 6 through a connecting piece 7, and when the first handheld rotating piece 6 rotates, the two pairs of supporting units 2 can be simultaneously driven to support and expand, so that the synchronism of the supporting units 2 is ensured.
Medical staff inserts the treater between two sections centrum, then holds on first handheld rotating member 6 and rotates, and first handheld rotating member 6 is threaded connection with handle 1 and then first handheld rotating member 6 can follow handle 1 axial displacement in handle 1, has also driven support movable rod 4 along handle 1 axial displacement in handle 1 when first handheld rotating member 6 removes to prop up two pairs of supporting unit 2 about supporting rod 5 on the support movable rod 4, four backup pads 3 open, backup pad 3 and centrum surface contact and expand certain clearance. Because the first handheld rotating member 6 is in threaded connection with the handle 1, the threads on the first handheld rotating member 6 are matched with the first thread sleeve 8 of the handle 1, so that the first handheld rotating member 6 is fixed at a certain position, the support moving rod 4 is kept motionless, the support plate 3 can be ensured to keep the support height, and if the support height needs to be adjusted, only the first handheld rotating member 6 is required to be screwed in or out.
Next, the treatment part is a transmission belt 9 forming a loop, a plurality of parallel treatment scrapers 10 are uniformly arranged on the outer surface of the transmission belt 9, and in order to prevent the lifting distance from being too large and avoid damaging osseous tissues, pressure sensing contact points (not shown in the figure) are arranged at the cutter head of the treatment scraper 10 so as to detect the pressure of the treatment scraper 10 on the bone surface in real time. A containing sleeve 20 is arranged in a space from the upper part of the transmission belt 9 to the knife handle of the treatment scraper 10, a containing cavity 21 capable of containing endplate tissue residues is formed between the containing sleeve 20 and the transmission belt 9, the knife handle of the treatment scraper 10 is fixed in the containing cavity 21, the treatment scraper 10 scrapes endplate tissue on a bone surface and contains the endplate tissue in the containing cavity 21, and after all treatments are finished, the processor is taken out from the intervertebral space and cleans endplate tissue residues in the containing cavity 21.
The jacking mechanism comprises a jacking moving rod 11, one end of the jacking moving rod 11 stretches into the transmission belt 9, a plurality of connecting rods 5 with top plates 12 are arranged on the surface of the rod body and the end part of the rod body and are connected with the inner surface of the transmission belt 9, and the jacking moving rod 11 slides back and forth in the handle 1 and controls the transmission belt 9 to be supported and retracted through the plurality of connecting rods 5 with the top plates 12.
The action of the jacking mechanism with respect to the treatment section is the same as the action of the opening mechanism with respect to the support unit 3. The jacking mechanism further comprises a second handheld rotating piece 13, one end part of the second handheld rotating piece 13 is rotatably sleeved in the handle 1, and is fixedly connected with one end of the jacking movable rod 11, which is not provided with the connecting rod 5, through the connecting piece 7, and the other end of the jacking movable rod extends to the outside of the handle 1 for handheld rotation. In order to expand the treatment range of the treatment blade 10 on the bone surface of the vertebral body, the shape of the top plate 12 provided on the link 5 provided on the rod body surface of the lifting moving rod 11 is set to be planar and in contact with the inner surface of the conveyor belt 9, and the shape of the top plate 12 provided on the link 5 provided on the rod body end of the lifting moving rod 11 is set to be arc-shaped and in contact with the inner surface of the conveyor belt 9. The pressure sensing piece 22 is arranged on the surface of the planar top plate 12, and the pressure generated by the jacking mechanism on the bone surface can be detected in real time, so that the damage to bone tissues is avoided.
The surface of the part of the second hand-held rotating piece 13 sleeved in the handle 1 is provided with threads, the position of the handle 1 corresponding to the second hand-held rotating piece 13 is provided with a second thread sleeve 14, and the second hand-held rotating piece 13 is matched with the second thread sleeve 14 through the threads on the surface of the second hand-held rotating piece so as to form threaded connection with the handle 1.
In the preceding step, after the support plates 3 arranged up and down expand the two vertebral bodies to a suitable height, the first hand-held rotary member 6 is fixed in the handle 1 and keeps the support plates 3 at their distracted height. Thereafter, the medical staff holds the second handheld rotating member 13 and rotates, the second handheld rotating member 13 is in threaded connection with the handle 1, then the second handheld rotating member 13 can axially move along the handle 1 in the handle 1, and the lifting moving rod 11 is driven to axially move along the handle 1 in the handle 1 while the second handheld rotating member 13 moves, so that the conveying belt 9 is lifted to a proper height through the connecting rod 5 with the top plate 12 on the lifting moving rod 11, and a plurality of treatment scrapers 10 on the surface of the conveying belt 9 are abutted against the bone faces of the vertebral bodies.
Because the second handheld rotating member 13 is in threaded connection with the handle 1, the threads on the second handheld rotating member 13 are matched with the second threaded sleeve 14 of the handle 1, so that the second handheld rotating member 13 is fixed at a certain position, the lifting moving rod 11 is kept unchanged, then the lifting height of the conveying belt 9 is unchanged, the processing scraper 10 is kept in abutting connection with the bone surface of the vertebral body, and if the lifting height needs to be adjusted, only the second handheld rotating member 13 is required to be screwed in or out.
For simplifying the structure of the processor, the first handheld rotating member 6 and the second handheld rotating member 13 may be coaxially arranged, that is, all are arranged in a sleeve structure, but other arrangements may be used, and no special requirement is made here.
Furthermore, the processing driving mechanism comprises a detachable hand driving piece 15 and a driven wheel 16, the driven wheel 16 is fixed on the jacking moving rod 11 and is abutted against the inner surface of the transmission belt 9, the hand driving piece 15 is arranged outside the handle 1 and is movably connected with the end part of the second hand-held rotating piece 13, and the hand driving piece 15 is connected with the driven wheel 16 through a chain 17 penetrating through the inside of the second hand-held rotating piece 13. The hand driving member 15 includes a driving wheel 18 and a crank 19, the driving wheel 18 is connected with the driven wheel 16 through a chain 17, and the crank 19 is fixed at the axis of the driving wheel 18.
After the treatment blade 10 is adjusted to be held in abutment with the vertebral bone surface, the medical staff loads the hand drive member 15 onto the end of the second hand-held rotary member 13 and connects the driven pulley 16 provided on the jacking movement bar 11 with the driving pulley 18 in the hand drive member 15 with the chain 17. Since the driven wheel 16 is meshed with the transmission belt 9 or in friction contact with the transmission belt 9, the rocking handle 19 rotates the driving wheel 18, and the driven wheel 16 is driven to rotate through the chain 17, so that the transmission belt 9 is driven to rotate, and the treatment scraper 10 on the surface of the transmission belt 9 continuously moves relative to the bone surface of the vertebral body to treat the vertebral body.
The multifunctional vertebral endplate processor provided by the invention can achieve the effect of expanding the gap between vertebral bodies, simultaneously can synchronously perform endplate treatment operation, achieves the effect of rapidly treating one intervertebral gap at a time, has a simple structure, is convenient to operate, and greatly improves the operation quality.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. A multifunctional vertebral endplate processor, characterized in that: the device comprises a handle, a processing part and a supporting part, wherein the processing part and the supporting part are integrated at the end part of the handle, the supporting part is two pairs of supporting units which are arranged side by side, the processing part is arranged between the two pairs of supporting units, a supporting mechanism is arranged inside the handle and connected with the two pairs of supporting units and drives the two pairs of supporting units to support the gap of the vertebral body, a jacking mechanism and a processing driving mechanism are further arranged inside the handle and are respectively connected with the processing part, the processing part is a transmission belt forming a loop, a plurality of processing scrapers which are arranged side by side are uniformly arranged on the outer surface of the transmission belt, a containing sleeve is arranged in a space from the upper part of the transmission belt to the knife handle of the processing scraper, a containing cavity which can contain the tissue residues of the endplate is formed between the containing sleeve and the transmission belt, a pressure sensing contact point is arranged at the knife head of the processing scraper, and the jacking mechanism controls the processing part to be in contact with the surface of the vertebral body, and the processing driving mechanism drives the transmission belt to rotate, so that the processing of the surface of the transmission belt can continuously process the surface of the vertebral body relative to the surface of the vertebral body.
2. A multi-functional vertebral endplate processor according to claim 1, wherein: the supporting unit comprises two supporting plates which are arranged up and down, the opening mechanism comprises a supporting moving rod, the end part of the supporting moving rod is connected with the inner surface of the supporting plate which is arranged up and down through a plurality of connecting rods, the end part of the handle is also connected with the end part of the supporting plate which is arranged up and down through the connecting rods, and the supporting moving rod slides back and forth in the handle and supports and withdraws through the supporting plate controlled by the connecting rods.
3. A multi-functional vertebral endplate processor according to claim 2, wherein: the opening mechanism further comprises a first handheld rotating piece, one end part of the first handheld rotating piece is rotatably sleeved in the handle, and the first handheld rotating piece is fixedly connected with one end of the supporting moving rod, which is not provided with a connecting rod, through a connecting piece.
4. A multi-functional vertebral endplate processor according to claim 3, wherein: the support movable rod is U-shaped, two ends of the support movable rod are respectively connected with the inner surfaces of the support plates arranged up and down in the two pairs of support units through a plurality of connecting rods, and the bottoms of the support movable rod are connected with the first handheld rotating piece through connecting pieces.
5. A multi-functional vertebral endplate processor according to claim 3, wherein: the first hand-held rotating piece is sleeved on the part of the surface of the first hand-held rotating piece in the handle, threads are formed on the surface of the part of the first hand-held rotating piece, threads corresponding to the first hand-held rotating piece in the handle are arranged on the first hand-held rotating piece, and the first hand-held rotating piece is matched with the first threads through threads on the surface of the first hand-held rotating piece so as to be in threaded connection with the handle.
6. A multi-functional vertebral endplate processor according to claim 1, wherein: the jacking mechanism comprises a jacking movable rod, one end of the jacking movable rod extends into the transmission belt, a plurality of connecting rods with top plates are arranged on the surface of the rod body and the end part of the rod body and are connected with the inner surface of the transmission belt, and the jacking movable rod slides back and forth in the handle and controls the transmission belt to prop up and retract through the plurality of connecting rods with the top plates.
7. A multi-functional vertebral endplate processor according to claim 6, wherein: the top plate arranged on the connecting rod on the surface of the jacking movable rod body is in a plane shape and is in contact with the inner surface of the conveying belt, and the top plate arranged on the connecting rod at the end of the jacking movable rod body is in an arc shape and is in contact with the inner surface of the conveying belt.
8. A multi-functional vertebral endplate processor according to claim 7, wherein: the surface of the planar top plate is provided with a pressure sensing piece.
9. A multi-functional vertebral endplate processor according to claim 6, wherein: the jacking mechanism further comprises a second handheld rotating piece, one end part of the second handheld rotating piece is rotatably sleeved in the handle, and the second handheld rotating piece is fixedly connected with one end of the jacking moving rod, which is not provided with a connecting rod, through a connecting piece.
10. A multi-functional vertebral endplate processor according to claim 9, wherein: the second hand-held rotating piece is sleeved in the handle, the surface of the second hand-held rotating piece is provided with threads, a second thread sleeve is arranged in the handle corresponding to the second hand-held rotating piece, and the second hand-held rotating piece is matched with the second thread sleeve through threads on the surface of the second hand-held rotating piece so as to form threaded connection with the handle.
11. A multi-functional vertebral endplate processor according to claim 9, wherein: the processing driving mechanism comprises a detachable hand driving piece and a driven wheel, the driven wheel is fixed on the jacking moving rod and is in butt joint with the inner surface of the transmission belt, the hand driving piece is arranged outside the handle and is movably connected with the end part of the second hand-held rotating piece, and the hand driving piece is connected with the driven wheel through a chain penetrating through the second hand-held rotating piece.
12. A multi-function vertebral endplate processor according to claim 11, wherein: the hand-operated driving piece comprises a driving wheel and a hand crank, the driving wheel is in transmission connection with the driven wheel through a chain, and the hand crank is fixed at the axis of the driving wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654785.2A CN108498133B (en) | 2018-06-22 | 2018-06-22 | Multifunctional vertebral endplate processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654785.2A CN108498133B (en) | 2018-06-22 | 2018-06-22 | Multifunctional vertebral endplate processor |
Publications (2)
| Publication Number | Publication Date |
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| CN108498133A CN108498133A (en) | 2018-09-07 |
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