CN103655010A - Intervertebral filling fusion device - Google Patents
- ️Wed Mar 26 2014
CN103655010A - Intervertebral filling fusion device - Google Patents
Intervertebral filling fusion device Download PDFInfo
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Publication number
- CN103655010A CN103655010A CN201310590411.6A CN201310590411A CN103655010A CN 103655010 A CN103655010 A CN 103655010A CN 201310590411 A CN201310590411 A CN 201310590411A CN 103655010 A CN103655010 A CN 103655010A Authority
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- China Prior art keywords
- ring
- terminal plate
- intervertebral
- vertebral body
- fusing device Prior art date
- 2013-11-20 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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- 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
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- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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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 discloses an intervertebral filling fusion device which is used for being placed between any two adjacent centrum end plates of a human body lumbar vertebra. The intervertebral filling fusion device is characterized in that a wrapping body filled with padding inside and an annular air bag are included, the annular air bag is placed on the outer periphery of the wrapping body in a sleeved mode and is used for abutting an upper centrum end plate and a lower centrum end plate in a supporting mode and supporting the padding, the top portion and the bottom portion of the padding are attached with the surface of the upper centrum end plate and the surface of the lower centrum end plate respectively, and the padding comes from autogenous bones or allogeneic bones or artificial bones. The top face and the bottom face of the device can be attached with the surface of the upper centrum end plate and the surface of the lower centrum end plate respectively, point contact is changed into face contact, a stable mechanical structure can be formed to support a vertebral column, the device can be completely attached with the upper centrum end plate and the lower centrum end plate, and favorable conditions are created for fusion of a supporting body and vertebral sclerotin.
Description
Technical field
The present invention relates to a kind of intervertebral and fill fusing device.
Background technology
Intervertebral disc between the terminal plate of vertebral body of human vertebra is a delicate structure that quite meets theory of mechanics, and the core of its central authorities is the about 1.5cm of diameter, by the vertebral pulp that is full of liquid and forms, and it has the pressure that deformability can be born vertebra; Peripheral be that fibrous ring by the crisscross arrangement of multilamellar is formed, tough structure can maintain the stability of core, so the intervertebral disc natural buffer body that is human body can be shared the pressure that vertebra bears, avoids vertebra injured.
Human body is often because carrying heavy goods or undue force, long-term fault, the compressing of conceived middle and late stage, lower back are subject to the factors such as gravity impact to cause intervertebral disk hernia, degree can cause fibrous ring to expand but still complete compared with the lighter, be called clinically intervertebral disk hernia, degree causes Anular disruption compared with severe one, vertebra core overflows, be urged to spinal nerve, be called clinically extrusion de-or outstanding.Wherein, especially with older's intervertebral disc, more easily degenerate and cause function undesired, need perform the operation intervertebral disc is taken out, and install artificial intervertebral disc or alternative interspinous support thing or implant.
Because intervertebral disc institute's role in human vertebra is very important, therefore the comfort that artificial intervertebral disc or alternative interspinous support thing or implant must meet human body and can reach the original function of intervertebral disc, its structure design is very important.As far back as nineteen sixties, rustless steel (ball bearing) prosthese is implanted in patient body, this device has its positive meaning in early days, but As time goes on intervertebral disc space is lost highly because steel ball sinks in vertebral body.
Use at present more also more ripe interspinous support member and filling technique to be mainly divided into two classes below:
1) first kind is mainly artificial intervertebral disc or the similar tucker of mechanical conceptual design, is the product that intervertebral disc is replaced substantially, and it is intended to the range of movement of restore intravertebral motor segment unit.The stabilizing mechanism that these devices generally include by rigidity is fixed on the metal soleplate in adjacent vertebral bodies, and the core body being formed by polyethylene or other polymeric materials, and surface micropore design, can induction of bone growth, and configuration design meets human normal dissect physiology.
Yet the general character of existing above-mentioned artificial intervertebral disc or similar tucker is to be all designed to rigid structure (adopting metal or pottery to make) more, when physical activity, can make terminal plate of vertebral body and its phase mutual friction, causes the wearing and tearing of discomfort and terminal plate of vertebral body.And the profile up and down of this type of implant or supporter is the flat surface that possesses rigidity, the part of the recess (lines) that this class surface produces with terminal plate of vertebral body surface osteogenesis contacts as some contact, the stress that the vertebra of contact site bears is comparatively concentrated, time one length can cause implant or supporter part to be pressed in terminal plate of vertebral body, causes local sclerotin to subside.The supporter that adopts biocompatible materials (as bone slag and artificial bone) to make for a class, although can reach fusion with also contacting of terminal plate of vertebral body for a long time, but owing to being not laminating completely with terminal plate of vertebral body surface, therefore cannot guarantee all the time the good fusion that itself and the bony surface of upper and lower terminal plate of vertebral body can be real.
2) Equations of The Second Kind is mainly by physiology conceptual design, and its purport is autologous bone, allograph bone or artificial bone directly to be squeezed into intervertebral fill, and owing to being flexible quality, its advantage is to guarantee implant and the laminating of upper and lower terminal plate of vertebral body surface; But shortcoming is to lack intensity, cannot form firm mechanics supporting construction, easily subsides, therefore finally cannot form, good condition brings up and the fusion of spinal column sclerotin.
Also have at present a class to adopt hydrogel, elastomer or the biocompatibility artificial bone based on polyurethane as core body, it is intended to also keep the natural shock-absorbing of intervertebral disc or the function that shock-absorbing capacity recovers intervertebral disc by absorbing and emit fluid between patient's Yu vertebral simultaneously.The device of physiology concept is only regarded as the solution of part conventionally, this is because they are designed to only change core or the part of intervertebral disc, therefore complex operation while there is actual implant surgery, required precision is high, the defect of process complexity, and can not well replace intervertebral disc, reach that formation is merged completely and firm sclerotin mechanical structure, be different from the theory that adopts vertebra supporter to build bony fusion.
Summary of the invention
The present invention seeks to: provide the intervertebral between a kind of any two the adjacent terminal plate of vertebral body that can implant intervertebral disc patient lumbar vertebra to fill fusing device, this device not only can form firm mechanics framework in order to support vertebra, and it can fit completely with upper and lower terminal plate of vertebral body surface, for reaching the fusion of supporter and spinal column sclerotin, create favorable conditions.
Technical scheme of the present invention is: a kind of intervertebral is filled fusing device, for inserting between any two adjacent terminal plate of vertebral body of human body lumbar vertebra, it is characterized in that this device comprises that an inside fills in the body of wrapping of implant, also comprise that one wraps body periphery described in being placed in order to support upper and lower terminal plate of vertebral body and to prop up the ring-shaped gasbag of described implant, the top of described implant and bottom fit with the surface of upper and lower terminal plate of vertebral body respectively, and described implant is taken from autologous bone or allograph bone or artificial bone.
Further, the body of wrapping described in the present invention is bag-like container, and this bag-like container comprises enclosure and the end face being connected with enclosure and bottom surface, and described implant is packed into orders about end face in bag-like container and bottom surface fits with upper and lower terminal plate of vertebral body surface respectively.
Further, the support strength of the enclosure of bag-like container described in the present invention is greater than the support strength of end face and bottom surface.
Concrete optimization, bag-like container described in the present invention is the dictyosome that biocompatible materials is made, wherein the count of enclosure is greater than the count of end face and bottom surface.
Further, the body of wrapping described in the present invention can be also ring set, and described implant is inserted in ring set, and the top of implant and bottom directly fit with the surface of upper and lower terminal plate of vertebral body respectively.
Concrete preferred, described in the present invention, ring set is made by biocompatible materials.
Biocompatible materials described in the present invention is selected from any known material that current medical field has been approved and used, for example polyethylene fibre or silica gel.
Artificial bone described in the present invention is selected from any known material that current medical field has been approved and used, high molecular synthetic material for example: a kind of in polymethyl methacrylate, high density polyethylene (HDPE), or inorganic material: a kind of in tricalcium phosphate, hydroxyapatite, aluminium oxide bioceramic.
The present invention can be placed between adjacent vertebral bodies soleplate by open operation or Minimally Invasive Surgery.In a kind of actual Minimally Invasive Surgery example, as interbody fusion (have interior fixing or fix without interior), wrap body and peripheral ring-shaped gasbag of the present invention can and be implanted push rod by puncture guide pin, working column and push between adjacent vertebral bodies soleplate, to ring-shaped gasbag inside, be filled with gas again, make it distending and support to arrive in upper and lower terminal plate of vertebral body; Then in the body of wrapping, insert autologous bone or allograph bone or artificial bone, and guarantee that their under the support of ring-shaped gasbag (end face and bottom surfaces) can reach completely laminating with upper and lower terminal plate of vertebral body surface.
The present invention provides another kind of equivalents simultaneously, a kind of intervertebral is filled fusing device, for inserting between any two adjacent terminal plate of vertebral body of human body lumbar vertebra, it is characterized in that it comprises that one in order to prop up to upper, the supporter of hypocentrum soleplate, described supporter comprises that a ring-type liner and is placed on the drawable formula ring-shaped gasbag of described ring-type liner periphery, the ring inner side of described ring-type liner is packed into the artificial bone with self-solidifying solidity with fluid state, after described artificial bone solidifies, its top and bottom are respectively with upper, the surface of hypocentrum soleplate fits, and detach described drawable formula ring-shaped gasbag.
In the present invention, the above-mentioned artificial bone with self-solidifying solidity is selected from any known diverse bone types cement material that current medical field has been approved and used.
In the present invention, above-mentioned ring-type liner adopts biocompatible materials to make, and possesses certain structural strength, to be enough to support and maintain the artificial bone after solidified inside, is unlikely to subside in advance.
This scheme device also can be placed between adjacent vertebral bodies soleplate by open operation or Minimally Invasive Surgery.In a kind of actual Minimally Invasive Surgery example, as interbody fusion (have interior fixing or fix without interior), ring-type liner of the present invention and peripheral drawable formula ring-shaped gasbag can and be implanted push rod by puncture guide pin, working column and push between adjacent vertebral bodies soleplate, to drawable formula ring-shaped gasbag inside, be filled with gas again, make it distending and support to arrive in upper and lower terminal plate of vertebral body; Then in ring-type liner, with fluid state, insert the artificial bone with self-solidifying solidity, after described artificial bone solidifies, laminating, now drawable described drawable formula ring-shaped gasbag are completely reached with the surface of upper and lower terminal plate of vertebral body respectively in its top and bottom.The open loop type air bag that described drawable formula ring-shaped gasbag is a kind of routine, is convenient to detach.
Advantage of the present invention is:
This intervertebral provided by the invention is filled fusing device and is mainly inserted between terminal plate of vertebral body and terminal plate of vertebral body, its end face and bottom surface can fit with the surface of upper and lower terminal plate of vertebral body respectively, height contact is face contact, not only can form firm mechanics framework in order to support vertebra, and it can fit completely with upper and lower terminal plate of vertebral body surface, for reaching the fusion of supporter and spinal column sclerotin, create favorable conditions.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural representation sketch of first embodiment of the invention;
Fig. 2 is the structural representation sketch of second embodiment of the invention.
Wherein: 1, terminal plate of vertebral body; 2, bag-like container; 2a, end face; 2b, enclosure; 2c, bottom surface; 3, implant; 4, ring-shaped gasbag; 5, ring-type liner; 6, drawable formula ring-shaped gasbag; The artificial bone 7, with self-solidifying solidity.
The specific embodiment
Embodiment 1: in conjunction with a kind of specific embodiment that Figure 1 shows that intervertebral filling fusing device of the present invention, it is for inserting between any two adjacent terminal plate of
vertebral body1 of human body lumbar vertebra, this device has a bag-
like container2, this bag-
like container2 consists of
enclosure2b and the
end face2a being connected with
enclosure2b and
bottom surface2c, in described bag-
like container2, be filled with and order about the
implant3 that
end face2a and
bottom surface2c fit with upper and lower terminal plate of
vertebral body1 surface respectively, described
implant3 is taken from body bone or allograph bone.Bag-
like container2 outsides are equipped with to surround described
enclosure2b to prop up the ring-
shaped gasbag4 that supports upper and lower terminal plate of
vertebral body1 and support inside stuffing 3.
The dictyosome that bag-like container described in the
present embodiment2 forms for high-tenacity polyethylene fibre braiding, wherein the count of
enclosure2b is greater than the count of
end face2a and
bottom surface2c, thereby makes the support strength of
enclosure2b be greater than the support strength of
end face2a and
bottom surface2c.
The described intervertebral of the present embodiment is filled fusing device, and it is by Minimally Invasive Surgery implant into body spinal column.Actual is current interbody fusion (having interior fixing), during operation, bag-
like container2 of the present invention and peripheral ring-
shaped gasbag4 push between adjacent
vertebral bodies soleplate1 by puncture guide pin, working column and implantation push rod, to ring-shaped
gasbag4 inside, be filled with gas again, make it distending and support to arrive in upper and lower terminal plate of
vertebral body1; Then in bag-
like container2, insert autologous bone or allograph bone, and guarantee that they order about the end face of bag-
like container2 under the support of ring-
shaped gasbag4 and laminating completely can be reached with upper and lower terminal plate of
vertebral body1 surface in bottom surface.
Certainly, except autologous bone or allograph bone, artificial bone described in the present embodiment also can adopt existing high molecular synthetic material polymethyl methacrylate, is graininess and inserts and be full of in the dictyosome that the braiding of whole high-tenacity polyethylene fibre forms.Thereby the
end face2a of bag-
like container2 and
bottom surface2c can be fitted respectively with the surface of upper and lower terminal plate of
vertebral body1, height contact is face contact, not only can form firm mechanics framework in order to support vertebra, the more important thing is that it can fit completely with upper and lower terminal plate of
vertebral body1 surface, for reaching the fusion of supporter and spinal column sclerotin, create favorable conditions.
Embodiment 2: shown in Fig. 2, this intervertebral that the present embodiment provides is filled fusing device, for inserting between any two adjacent terminal plate of
vertebral body1 of human body lumbar vertebra, it has one in order to prop up to upper, the supporter of
hypocentrum soleplate1, described supporter has the drawable formula ring-shaped gasbag 6 that a ring-type liner 5 and is placed on described ring-type liner 5 peripheries, the ring inner side of described ring-type liner 5 is packed into the artificial bone 7(tricalcium phosphate bone cement with self-solidifying solidity with fluid state), after the described artificial bone 7 with self-solidifying solidity solidifies, its top and bottom are respectively with upper, the surface of
hypocentrum soleplate1 fits.The air bag the same with routine techniques, described drawable formula ring-shaped gasbag 6 is a kind of open loop, is convenient to detach.Described ring-type liner 5 adopts the silica gel with biocompatibility to make, and possesses certain structural strength, to be enough to support and maintain the artificial bone after solidified inside, is unlikely to subside in advance.
This scheme device is also by Minimally Invasive Surgery implant into body spinal column.The actual current interbody fusion (having interior fixing) that adopts, during operation, ring-type liner 5 of the present invention and peripheral drawable formula ring-shaped gasbag 6 can and be implanted push rod by puncture guide pin, working column and push between adjacent
vertebral bodies soleplate1, to drawable formula ring-shaped gasbag 6 inside, be filled with gas again, make it distending and support to arrive in upper and lower terminal plate of
vertebral body1; Then in ring-type liner 5, with fluid state, insert tricalcium phosphate bone cement, after described bone cement solidifies, laminating, now drawable described drawable formula ring-shaped gasbag 6 are completely reached with the surface of upper and lower terminal plate of
vertebral body1 respectively in its top and bottom.
Certainly above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All modifications that the spirit of main technical schemes is done according to the present invention, within all should being encompassed in protection scope of the present invention.
Claims (9)
1. an intervertebral is filled fusing device, for inserting between any two adjacent terminal plate of vertebral body (1) of human body lumbar vertebra, it is characterized in that this device comprises that an inside fills in the body of wrapping of implant (3), also comprise that one wraps body periphery described in being placed in order to support upper and lower terminal plate of vertebral body (1) and to prop up the ring-shaped gasbag (4) of described implant (3), the top of described implant (3) and bottom fit with the surface of upper and lower terminal plate of vertebral body (1) respectively, and described implant (3) is taken from autologous bone or allograph bone or artificial bone.
2. intervertebral according to claim 1 is filled fusing device, the body of wrapping described in it is characterized in that is bag-like container (2), this bag-like container (2) comprises enclosure (2b) and the end face (2a) being connected with enclosure (2b) and bottom surface (2c), and described implant (3) is packed into orders about end face (2a) in bag-like container (2) and bottom surface (2c) fits with upper and lower terminal plate of vertebral body (1) surface respectively.
3. intervertebral according to claim 2 is filled fusing device, it is characterized in that the support strength of the enclosure (2b) of described bag-like container (2) is greater than the support strength of end face (2a) and bottom surface (2c).
4. intervertebral according to claim 3 is filled fusing device, it is characterized in that the dictyosome that described bag-like container (2) is made for biocompatible materials, and the count of wherein enclosure (2b) is greater than the count of end face (2a) and bottom surface (2c).
5. intervertebral according to claim 1 is filled fusing device, and the body of wrapping described in it is characterized in that is ring set, and described implant (3) is inserted in ring set, and the top of implant (3) and bottom directly fit with the surface of upper and lower terminal plate of vertebral body (1) respectively.
6. intervertebral according to claim 1 is filled fusing device, it is characterized in that described ring set made by biocompatible materials.
7. an intervertebral is filled fusing device, for inserting between any two adjacent terminal plate of vertebral body (1) of human body lumbar vertebra, it is characterized in that it comprises that one in order to prop up to upper, the supporter of hypocentrum soleplate (1), described supporter comprises that a ring-type liner (5) and is placed on the peripheral drawable formula ring-shaped gasbag (6) of described ring-type liner (5), the ring inner side of described ring-type liner (5) is packed into the artificial bone with self-solidifying solidity with fluid state, after described artificial bone solidifies, its top and bottom are respectively with upper, the surface of hypocentrum soleplate (1) fits, and detach described drawable formula ring-shaped gasbag (6).
8. intervertebral according to claim 7 is filled fusing device, and the artificial bone described in it is characterized in that with self-solidifying solidity is diverse bone types cement.
9. intervertebral according to claim 7 is filled fusing device, it is characterized in that described ring-type liner (5) adopts biocompatible materials to make, and possesses certain structural strength.
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CN201310590411.6A CN103655010B (en) | 2013-11-20 | 2013-11-20 | Intervertebral fills fusing device |
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CN201310590411.6A CN103655010B (en) | 2013-11-20 | 2013-11-20 | Intervertebral fills fusing device |
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CN103655010A true CN103655010A (en) | 2014-03-26 |
CN103655010B CN103655010B (en) | 2016-04-27 |
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CN107049565A (en) * | 2017-04-28 | 2017-08-18 | 宁波华科润生物科技有限公司 | A kind of vertebral fusion mechanism through minimally invasive path approach |
CN107374789A (en) * | 2017-08-16 | 2017-11-24 | 苏州博习医疗科技有限公司 | Minimally Invasive lumbar fusion device and its application method |
CN109528365A (en) * | 2018-11-30 | 2019-03-29 | 四川大学华西医院 | Artificial cervical intervertebral disc plate bone gap filling device and artificial intervertebral disc prosthesis |
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CN106714716A (en) * | 2014-08-20 | 2017-05-24 | 金融聚有限责任公司 | Minimally invasive spinal fusion system and method |
CN106714716B (en) * | 2014-08-20 | 2019-03-22 | 金融聚有限责任公司 | Minimally invasive spinal fusion system and method |
CN105380735A (en) * | 2015-12-07 | 2016-03-09 | 苏州博习医疗科技有限公司 | Intervertebral filling fusion device and using method thereof |
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CN109528365A (en) * | 2018-11-30 | 2019-03-29 | 四川大学华西医院 | Artificial cervical intervertebral disc plate bone gap filling device and artificial intervertebral disc prosthesis |
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CN112716664B (en) * | 2021-04-06 | 2021-06-22 | 珠海维尔康生物科技有限公司 | Fence type bone cement spine fusion device adopting balloon forming |
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