CN107669376A - Via Posterior Spinal Approach device - Google Patents
Via Posterior Spinal Approach device Download PDFInfo
- Publication number
- CN107669376A CN107669376A CN201711020628.8A CN201711020628A CN107669376A CN 107669376 A CN107669376 A CN 107669376A CN 201711020628 A CN201711020628 A CN 201711020628A CN 107669376 A CN107669376 A CN 107669376A
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- CN
- China
- Prior art keywords
- approach device
- via posterior
- posterior spinal
- spinal approach
- convex
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/3093—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth for promoting ingrowth of bone tissue
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Neurology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention provides a kind of Via Posterior Spinal Approach device, including:Body, body is arranged on the side of the centrum of the remote human body of spinal cord, for promoting Bone Ingrowth;Connecting portion, it is arranged on body, for being connected with screw-rod to fix body.The Via Posterior Spinal Approach device of the present invention is connected by connecting portion with screw-rod, so as to which body is navigated into osteotomy site, rear post part of the position of body equivalent to backbone, and body can promote Bone Ingrowth, the knitting of post part after promoting, the reconstruction of post part after backbone is ultimately formed, realizes steady in a long-term, reduces postoperative risk.
Description
Technical field
The present invention relates to medical instruments field, in particular to a kind of Via Posterior Spinal Approach device.
Background technology
The backbone of human body can be destroyed due to sufferer or external force influence, such as vertebral tumor, serious splintered fracture
And the infectious diseases such as tuberculosis, and may cause spinal cord, nervous lesion or occur vertebra section collapse and the angulation deformity of backbone,
Neurological dysfunction or the obvious person of angulation deformity often need row Vertebrae resection.
The stability of human spine by backbone structures shape, it is theoretical according to three posts, distinguished from the anatomic form of backbone,
The anterior longitudinal ligament of backbone and the front pillar that preceding 1/3 part of vertebra is backbone, rear the 2/3 of vertebra forms in backbone with posterior longitudinal ligament
Post part, the cantle and interspinous ligament of vertebra form the rear pillar of backbone.
When implementing Vertebrae resection, the rear post part of posterior resection backbone, that is, the vertebral arch of centrum, vertebra can be first passed through
Plate and spinous process part, so after this kind of operation is implemented, the front pillar of backbone and the stability of center pillar are obtained by prosthetic vertebral replacement
Solve well, and the stability of backbone rear pillar can not be rebuild again.
The content of the invention
It is a primary object of the present invention to provide one kind, to solve the rear pillar of Vertebrae resection posterior spinal of the prior art
The problem of part can not be rebuild.
To achieve these goals, according to an aspect of the invention, there is provided a kind of Via Posterior Spinal Approach device, including:This
Body, body is arranged on the side of the centrum of the remote human body of spinal cord, for promoting Bone Ingrowth;Connecting portion, it is arranged on body, uses
In being connected with screw-rod to fix body.
Further, the myelopetal rear side of the back of the body of body has the bone grafting structure for Bone Ingrowth.
Further, the myelopetal rear side surface of the back of the body of body is in trabecular bone structure.
Further, body towards myelopetal front side surface be in smooth surface.
Further, body is plate-like, and the direction protrusion of spinal cord is directed away from the middle part of body to form segmental arc, body
Horizontal cross-section it is arched.
Further, connecting portion includes multiple grapples, the both sides of body is separately positioned on, for being connected with screw-rod.
Further, body is plate-like, and the lateral end face connection in left and right of grapple and body, grapple is directed away from the side of spinal cord
To extension.
Further, multiple grapple opposing bodies are symmetrically arranged.
Further, Via Posterior Spinal Approach device is also convex including two horizontal strokes, the convex left and right sides for being separately positioned on body of two horizontal strokes
And it is provided with grapple towards extension on the outside of the left and right of body, each horizontal convex both sides up and down.
Further, Via Posterior Spinal Approach device is also convex including two horizontal strokes, the convex left and right sides for being separately positioned on body of two horizontal strokes
And extend towards the left and right outside of body, the curved face in one end of horizontal convex remote body.
The Via Posterior Spinal Approach device of the present invention is connected by connecting portion with screw-rod, so as to which body is navigated into osteotomy position
Put, the position of body is equivalent to the rear post part of backbone, and body can promote Bone Ingrowth, that is, the bone of post part is cured after promoting
Close, ultimately form the reconstruction of post part after backbone, realize steadily in the long term, reduce postoperative risk.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic perspective view of the embodiment of the Via Posterior Spinal Approach device according to the present invention;
Fig. 2 shows the axial schematic diagram of the embodiment of the Via Posterior Spinal Approach device according to the present invention;
Fig. 3 shows the schematic perspective view of the spinal tissues of the Via Posterior Spinal Approach device with the present invention;And
Fig. 4 shows the positive schematic diagram of the spinal tissues of the Via Posterior Spinal Approach device with the present invention.
Wherein, above-mentioned accompanying drawing marks including the following drawings:
10th, body;20th, grapple;30th, it is horizontal convex;100th, screw-rod.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
The invention provides a kind of Via Posterior Spinal Approach device, and as shown in Figures 1 to 4, the Via Posterior Spinal Approach device includes:Body
10, body 10 is arranged on the side of the centrum of the remote human body of spinal cord, for promoting Bone Ingrowth;Connecting portion, it is arranged on body 10
On, for being connected with screw-rod 100 to fix body 10.
The Via Posterior Spinal Approach device of the present invention is connected by connecting portion with screw-rod 100, is cut so as to which body 10 be navigated to
The position of bone is put, and the position of body 10 is equivalent to the rear post part of backbone, and body 10 can promote Bone Ingrowth, that is, promote rear pillar portion
The knitting divided, the reconstruction of post part after backbone is ultimately formed, realize steadily in the long term, reduce postoperative risk.
Preferably, the myelopetal rear side of the back of the body of body 10 has the bone grafting structure for Bone Ingrowth.The bone grafting structure can be
Promote Bone Ingrowth structure, or accommodate bone grafting tissue structure, wherein accommodate bone grafting tissue structure include holding tank,
Accommodating chamber with opening etc..
Preferably, as shown in figure 1, the myelopetal rear side surface of the back of the body of body 10 is in trabecular bone structure.
Trabecular bone structure can promote Bone Ingrowth so that the trailing flank of body 10 forms the bone bed of bone grafting, final knitting
The reconstruction of post part after backbone is formed afterwards, to form stable fixed effect at a specified future date.
Trabecular bone structure be it is a kind of be easy to the microcellular structure that osteocyte is grown into, the microcellular structure is a kind of interconnected more
To micro hole structure, pore diameter is 500 μm to 1000 μm, it is therefore preferable to 800 μm.The hole is advantageous to osteocyte and creeped length
Enter so that with physiology bone structure bone fusion occurs for the faying face of the trabecular bone structure of postoperative centrum prosthese to reach steady in a long-term.
Preferably, as shown in Fig. 2 body 10 towards myelopetal front side surface be in smooth surface.
Body 10 carries out high polishing processing towards myelopetal front side surface, can form the protection to canalis spinalis, and can subtracts
The adhesion of few soft tissue.
Preferably, body 10 is plate-like, and the middle part of body 10 is directed away from the direction protrusion of spinal cord to form segmental arc, this
The horizontal cross-section of body 10 is arched.
Because body 10 is located at the position of Via Posterior Spinal Approach, the front side surface of body 10 is towards myelopetal direction, therefore body
10 middle bent forms arch, can form the protection to canalis spinalis, and and can reduces the occupy-place to spinal cord.
Preferably, connecting portion includes multiple grapples 20, is separately positioned on the both sides of body 10, for screw-rod 100
Connection.
It is highly preferred that the embodiment as shown in Fig. 1 and Fig. 2, body 10 is plate-like, and the left and right of grapple 20 and body 10 is lateral
End face connects, and grapple 20 is directed away from the direction extension of spinal cord.In this embodiment, 4 are symmetrically provided with body 10 to grab
Hook 20.
Body 10 is arranged on screw-rod 100 by grapple 20, and it completes to combine fixation, body with screw-rod 100
10 can be similar to the purpose that baffle plate equally plays protection spinal cord.
Preferably, multiple opposing bodies 10 of grapple 20 are symmetrically arranged.
It is highly preferred that Via Posterior Spinal Approach device also includes two horizontal strokes convex 30, two horizontal strokes convex 30 are separately positioned on a left side for body 10
Right both sides and towards extending on the outside of the left and right of body 10, the both sides up and down of each horizontal stroke convex 30 are provided with grapple 20.
Preferably, Via Posterior Spinal Approach device also includes two horizontal strokes convex 30, and two horizontal strokes convex 30 are separately positioned on the left and right of body 10
Both sides and towards body 10 left and right on the outside of extend, horizontal stroke convex 30 remote body 10 the curved face in one end.
Horizontal stroke convex 30 can preferably realize the attachment of muscle ligament, promote the growth and healing of backbone soft tissue, realize more preferable
Post surgery stabilization.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that embodiments of the present invention described herein for example can be with except herein
Order beyond those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. Via Posterior Spinal Approach device, it is characterised in that including:Body (10), the body (10) is arranged on the side of the centrum of the remote human body of spinal cord, for promoting Bone Ingrowth;Connecting portion, it is arranged on the body (10), for being connected with screw-rod (100) with the fixation body (10).
- 2. Via Posterior Spinal Approach device according to claim 1, it is characterised in that the spinal cord backwards of the body (10) Rear side has the bone grafting structure for Bone Ingrowth.
- 3. Via Posterior Spinal Approach device according to claim 2, it is characterised in that the spinal cord backwards of the body (10) Rear side surface is in trabecular bone structure.
- 4. Via Posterior Spinal Approach device according to claim 1, it is characterised in that the direction spinal cord of the body (10) Front side surface is in smooth surface.
- 5. Via Posterior Spinal Approach device according to claim 1, it is characterised in that the body (10) is plate-like, the body (10) the direction protrusion of the spinal cord is directed away from the middle part of to form segmental arc, the horizontal cross-section of the body (10) is in bow Shape.
- 6. Via Posterior Spinal Approach device according to claim 1, it is characterised in that the connecting portion includes multiple grapples (20), The both sides of the body (10) are separately positioned on, for being connected with the screw-rod (100).
- 7. Via Posterior Spinal Approach device according to claim 6, it is characterised in that the body (10) is plate-like, the grapple (20) it is connected with the lateral end face in left and right of the body (10), the grapple (20) is directed away from the direction extension of the spinal cord.
- 8. Via Posterior Spinal Approach device according to claim 6, it is characterised in that multiple relatively described bodies of grapple (20) (10) it is symmetrically arranged.
- 9. Via Posterior Spinal Approach device according to claim 6, it is characterised in that the Via Posterior Spinal Approach device also includes two horizontal strokes Convex (30), two horizontal strokes convex (30) are separately positioned on the left and right sides of the body (10) and towards a left sides for the body (10) Right outside extension, the both sides up and down of each horizontal stroke convex (30) are provided with the grapple (20).
- 10. Via Posterior Spinal Approach device according to claim 1, it is characterised in that the Via Posterior Spinal Approach device also includes two Horizontal convex (30), two horizontal strokes convex (30) are separately positioned on the left and right sides of the body (10) and towards the bodies (10) Extend on the outside of left and right, the curved face in one end of the remote body (10) of the horizontal stroke convex (30).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711020628.8A CN107669376B (en) | 2017-10-26 | 2017-10-26 | Posterior spinal device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711020628.8A CN107669376B (en) | 2017-10-26 | 2017-10-26 | Posterior spinal device |
Publications (2)
Publication Number | Publication Date |
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CN107669376A true CN107669376A (en) | 2018-02-09 |
CN107669376B CN107669376B (en) | 2020-08-11 |
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CN201711020628.8A Active CN107669376B (en) | 2017-10-26 | 2017-10-26 | Posterior spinal device |
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Citations (14)
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DE4434574A1 (en) * | 1994-09-28 | 1996-04-04 | Ulrich Heinrich | Implant for spinal correction |
RU2095030C1 (en) * | 1995-05-26 | 1997-11-10 | Новокузнецкий институт усовершенствования врачей | Device for stabilizing the damaged segment of vertebral column |
CN1849099A (en) * | 2003-08-08 | 2006-10-18 | Sdgi控股股份有限公司 | Implants formed of shape memory polymeric material for spinal fixation |
CN101099690A (en) * | 2007-07-13 | 2008-01-09 | 沈刚 | Memory alloy spinal columnar orthopedic inner fixing system |
CN201088618Y (en) * | 2007-11-09 | 2008-07-23 | 武汉大学 | Spinal plate fixture device |
US20090177230A1 (en) * | 2008-01-08 | 2009-07-09 | Polaris Biotechnology, Inc. | Osteointegration apparatus |
CN201481537U (en) * | 2009-09-01 | 2010-05-26 | 北京市春立正达科技开发有限公司 | Pedicle screw-rod connector |
CN101909536A (en) * | 2007-10-24 | 2010-12-08 | 纽瓦西弗公司 | Surgical fixation system and related methods |
CN201861801U (en) * | 2010-10-27 | 2011-06-15 | 郭永贤 | Protective titanium plate for posterior spine |
CN103598909A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Posterior spinal fixation instrument |
CN105708535A (en) * | 2016-01-03 | 2016-06-29 | 邓宇 | Posterior minimally invasive screw-rod system for thoracolumbar vertebral fracture |
CN106923941A (en) * | 2017-04-26 | 2017-07-07 | 中国人民解放军第二军医大学第二附属医院 | A kind of personalized plate body integration artificial vertebral body based on 3D printing |
CN107174325A (en) * | 2017-05-18 | 2017-09-19 | 北京爱康宜诚医疗器材有限公司 | Backbone fixation kit |
CN208511266U (en) * | 2017-10-26 | 2019-02-19 | 北京爱康宜诚医疗器材有限公司 | Via Posterior Spinal Approach device |
-
2017
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Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
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DE4434574A1 (en) * | 1994-09-28 | 1996-04-04 | Ulrich Heinrich | Implant for spinal correction |
RU2095030C1 (en) * | 1995-05-26 | 1997-11-10 | Новокузнецкий институт усовершенствования врачей | Device for stabilizing the damaged segment of vertebral column |
CN1849099A (en) * | 2003-08-08 | 2006-10-18 | Sdgi控股股份有限公司 | Implants formed of shape memory polymeric material for spinal fixation |
CN101099690A (en) * | 2007-07-13 | 2008-01-09 | 沈刚 | Memory alloy spinal columnar orthopedic inner fixing system |
CN101909536A (en) * | 2007-10-24 | 2010-12-08 | 纽瓦西弗公司 | Surgical fixation system and related methods |
CN201088618Y (en) * | 2007-11-09 | 2008-07-23 | 武汉大学 | Spinal plate fixture device |
US20090177230A1 (en) * | 2008-01-08 | 2009-07-09 | Polaris Biotechnology, Inc. | Osteointegration apparatus |
CN201481537U (en) * | 2009-09-01 | 2010-05-26 | 北京市春立正达科技开发有限公司 | Pedicle screw-rod connector |
CN201861801U (en) * | 2010-10-27 | 2011-06-15 | 郭永贤 | Protective titanium plate for posterior spine |
CN103598909A (en) * | 2013-11-21 | 2014-02-26 | 江苏百得医疗器械有限公司 | Posterior spinal fixation instrument |
CN105708535A (en) * | 2016-01-03 | 2016-06-29 | 邓宇 | Posterior minimally invasive screw-rod system for thoracolumbar vertebral fracture |
CN106923941A (en) * | 2017-04-26 | 2017-07-07 | 中国人民解放军第二军医大学第二附属医院 | A kind of personalized plate body integration artificial vertebral body based on 3D printing |
CN107174325A (en) * | 2017-05-18 | 2017-09-19 | 北京爱康宜诚医疗器材有限公司 | Backbone fixation kit |
CN208511266U (en) * | 2017-10-26 | 2019-02-19 | 北京爱康宜诚医疗器材有限公司 | Via Posterior Spinal Approach device |
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Effective date of registration: 20211014 Address after: 102200 No. 12, Chuangxin Road, Changping Science Park, Changping District, Beijing Patentee after: BEIJING LIBEIER BIO-ENGINEERING INSTITUTE Co.,Ltd. Address before: 102200 Beijing Changping District science and Technology Park No. 10, two floor, Xingye building, Bai Fu Quan road. Patentee before: BEIJING AK MEDICAL Co.,Ltd. |