CN103655010B - Intervertebral fills fusing device - Google Patents
Intervertebral fills fusing device Download PDFInfo
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- CN103655010B CN103655010B CN201310590411.6A CN201310590411A CN103655010B CN 103655010 B CN103655010 B CN 103655010B CN 201310590411 A CN201310590411 A CN 201310590411A CN 103655010 B CN103655010 B CN 103655010B
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- ring
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- vertebral body
- implant
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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
-
- 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 a kind of intervertebral and fill fusing device, for insert human body lumbar vertebra any two adjacent terminal plate of vertebral body between, it is characterized in that this device comprises the body of wrapping that implant is filled in an inside, also comprise one be placed on described in body of wrapping peripheral 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 takes from autologous bone or allograph bone or artificial bone.The end face of this device 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 be fitted with upper and lower terminal plate of vertebral body surface, completely for the fusion of reaching supporter and spinal column sclerotin creates favorable conditions.
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 quite meeting theory of mechanics, and the core of its central authorities is the about 1.5cm of diameter, by the vertebral pulp being full of liquid and forming, it has the pressure that deformability can bear vertebra; Peripheral then be made up of the fibrous ring of the crisscross arrangement of multilamellar, tough structure can maintain the stability of core, so the intervertebral disc buffer body that to be human body natural, can share the pressure that vertebra bears, avoid spinal cord injury.
Human body is often because carrying heavy goods or undue force, long-term fault, the compressing of conceived middle and late stage, lower back cause intervertebral disk hernia by factors such as gravity impacts, degree can cause fibrous ring to expand compared with the lighter but still complete, be called intervertebral disk hernia clinically, degree comparatively severe one then causes Anular disruption, vertebra core overflows, be urged to spinal nerve, be called that extrusion is de-or outstanding clinically.Wherein, especially more easily degenerate with the intervertebral disc of older and cause function abnormal, need carry out performing the operation and intervertebral disc taken out, and installing artificial intervertebral disc or alternative interspinous support thing or implant.
Because intervertebral disc institute's role in human vertebra is very important, therefore artificial intervertebral disc or alternative interspinous support thing or implant must meet the comfort of human body and can reach the original function of intervertebral disc, and its tectonic sieving is very important.As far back as nineteen sixties by rustless steel (ball bearing) Using prosthesis in patient body, this device has its positive meaning in early days, but As time goes on intervertebral disc space lose because steel ball sinks in vertebral body height.
The interspinous support component that current use is more also more ripe and filling technique are mainly divided into two classes below:
1) the first kind mainly artificial intervertebral disc of mechanical concept design or similar tucker, be the product that intervertebral disc is replaced substantially, it is intended to the range of movement of restore intravertebral motion segment unit.These devices generally include the metal endplate be fixed on by the stabilizing mechanism of rigidity in adjacent vertebral bodies, and the core body formed by polyethylene or other polymeric materials, and surface micropore design, can induction of bone growth, and configuration design meets human normal dissect physiology.
But the general character of existing above-mentioned artificial intervertebral disc or similar tucker is all designed to rigid structure (metal or the pottery of adopting is made more), when physical activity, can make terminal plate of vertebral body and its phase mutual friction, cause 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 possessing rigidity, the localized contact of the recess (lines) that this kind of surface and terminal plate of vertebral body surface osteogenesis produce is point cantact, the stress that the vertebra of contact site bears is comparatively concentrated, time one length can cause, in implant or supporter local press-in terminal plate of vertebral body, causing local sclerotin to subside.For the supporter that a class adopts biocompatible materials (as bone slag and artificial bone) to make, although contact that is long-term and terminal plate of vertebral body also can reach fusion, but owing to being not the laminating completely with terminal plate of vertebral body surface, therefore the good fusion that the bony surface of itself and upper and lower terminal plate of vertebral body can be real cannot be guaranteed all the time.
2) Equations of The Second Kind is mainly by physiological concept design, and its purport autologous bone, allograph bone or artificial bone is directly squeezed into intervertebral fill, and owing to being flexible quality, its advantage to guarantee fitting in implant and upper and lower terminal plate of vertebral body surface; But shortcoming lacks intensity, cannot form firm mechanical support structure, easily subside, therefore finally cannot form excellent condition achievements and the fusion of spinal column sclerotin.
Also have at present a class adopt hydrogel, elastomer or based on the biocompatibility artificial bone of polyurethane as core body, it is intended to absorb and release fluid between the vertebral by patient Yu and also keeps the natural shock-absorbing of intervertebral disc or shock-absorbing capacity to recover the function of intervertebral disc simultaneously.The device of physiological concept is only regarded as the solution of part usually, this is because they are designed to core or a part of only changing intervertebral disc, therefore complex operation when there is actual implant surgery, required precision is high, the defect of process complexity, and well can not replace intervertebral disc, reaching formation and merge completely and firm sclerotin mechanical structure, is different from the theory adopting vertebral support thing to build bony fusion.
Summary of the invention
The present invention seeks to: provide the intervertebral between a kind of any two adjacent terminal plate of vertebral body can implanting 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 be fitted with upper and lower terminal plate of vertebral body surface, completely for the fusion of reaching supporter and spinal column sclerotin creates favorable conditions.
Technical scheme of the present invention is: a kind of intervertebral fills fusing device, for insert human body lumbar vertebra any two adjacent terminal plate of vertebral body between, it is characterized in that this device comprises the body of wrapping that implant is filled in an inside, also comprise one be placed on described in body of wrapping peripheral 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 takes from autologous bone or allograph bone or artificial bone.
Further, body of wrapping described in the present invention is bag-like container, and this bag-like container comprises enclosure and the end face that is connected with enclosure and bottom surface, and described implant is packed in bag-like container orders about end face 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, and the count of wherein enclosure is greater than the count of end face and bottom surface.
Further, body of wrapping described in the present invention also can be 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 up of biocompatible materials.
Biocompatible materials described in the present invention is selected from current medical field and has approved and the material known arbitrarily used, such as polyethylene fibre or silica gel.
Artificial bone described in the present invention is selected from current medical field and has approved and the material known arbitrarily used, such as high molecular synthetic material: the one in polymethyl methacrylate, high density polyethylene (HDPE), or inorganic material: the one 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 the actual Minimally Invasive Surgery example of one, as interbody fusion (have internal fixtion or without internal fixtion), body and the peripheral annular air bag of wrapping of the present invention and can be implanted push rod and push between adjacent vertebral bodies soleplate by puncture guide pin, working column, again to the inner insufflation gas of ring-shaped gasbag, make it distending and support to arrive in upper and lower terminal plate of vertebral body; Then in 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 be reached with upper and lower terminal plate of vertebral body surface and fit completely.
The present invention provides another kind of equivalents simultaneously, a kind of intervertebral fills fusing device, for insert human body lumbar vertebra any two adjacent terminal plate of vertebral body between, it is characterized in that it comprises one in order to prop up to upper, the supporter of hypocentrum soleplate, described supporter comprises the drawable formula ring-shaped gasbag that a ring-type liner and is placed on described ring-type liner periphery, the artificial bone with self-solidifying solidity is packed into fluid state inside the ring of described ring-type liner, 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 current medical field and has approved and the diverse bone types cement material known arbitrarily 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 artificial bone after maintaining solidified inside, is unlikely to subside in advance.
Program device is also placed between adjacent vertebral bodies soleplate by open operation or Minimally Invasive Surgery.In the actual Minimally Invasive Surgery example of one, as interbody fusion (have internal fixtion or without internal fixtion), ring-type liner of the present invention and peripheral drawable formula ring-shaped gasbag can push between adjacent vertebral bodies soleplate by puncture guide pin, working column and implantation push rod, again to the inner insufflation gas of drawable formula ring-shaped gasbag, make it distending and support to arrive in upper and lower terminal plate of vertebral body; Then in ring-type liner, the artificial bone with self-solidifying solidity is inserted with fluid state, after described artificial bone solidifies, namely its top and bottom are reached with the surface of upper and lower terminal plate of vertebral body respectively and are fitted completely, now drawable described drawable formula ring-shaped gasbag.Described drawable formula ring-shaped gasbag is a kind of open loop type air bag 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 be fitted with upper and lower terminal plate of vertebral body surface, completely for the fusion of reaching supporter and spinal column sclerotin creates 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; 7, there is the artificial bone of self-solidifying solidity.
Detailed description of the invention
Embodiment 1: combine and Figure 1 shows that intervertebral of the present invention fills a kind of detailed description of the invention of fusing device, its for insert human body lumbar vertebra any two adjacent terminal plate of vertebral body 1 between, this device has a bag-like container 2, this bag-like container 2 is made up of enclosure 2b and the end face 2a be connected with enclosure 2b and bottom surface 2c, be filled with the implant 3 of ordering about end face 2a and bottom surface 2c and fitting with upper and lower terminal plate of vertebral body 1 surface respectively in described bag-like container 2, described implant 3 takes from body bone or allograph bone.Bag-like container 2 outside is equipped with to surround described enclosure 2b and supports upper and lower terminal plate of vertebral body 1 and the ring-shaped gasbag 4 supporting inside stuffing 3 to prop up.
The dictyosome that bag-like container 2 described in the present embodiment weaves for high-tenacity polyethylene fibre, wherein the count of enclosure 2b is greater than the count of end face 2a and bottom surface 2c, thus makes the support strength of enclosure 2b be greater than the support strength of end face 2a and bottom surface 2c.
The described intervertebral of the present embodiment fills fusing device, and it is by Minimally Invasive Surgery implant into body spinal column.Actual is current interbody fusion (having internal fixtion), during operation, the ring-shaped gasbag 4 of bag-like container 2 of the present invention and periphery pushes between adjacent vertebral bodies soleplate 1 by puncture guide pin, working column and implantation push rod, again to the inner insufflation gas of ring-shaped gasbag 4, make it distending and support to arrive in upper and lower terminal plate of vertebral body 1; Then in bag-like container 2, insert autologous bone or allograph bone, and guarantee that they order about the end face of bag-like container 2 and bottom surface and can reach with upper and lower terminal plate of vertebral body 1 surface and fit completely under the support of ring-shaped gasbag 4.
Certainly, except autologous bone or allograph bone, artificial bone described in the present embodiment also can adopt existing high molecular synthetic material polymethyl methacrylate, inserts in the dictyosome being full of the braiding of whole high-tenacity polyethylene fibre in graininess.Thus the end face 2a of bag-like container 2 and bottom surface 2c can be fitted with the surface of upper and lower terminal plate of vertebral body 1 respectively, 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 be fitted, for the fusion of reaching supporter and spinal column sclerotin creates favorable conditions completely with upper and lower terminal plate of vertebral body 1 surface.
Embodiment 2: shown in composition graphs 2, this intervertebral that the present embodiment provides fills fusing device, for insert human body lumbar vertebra any two adjacent terminal plate of vertebral body 1 between, it has one in order to prop up to upper, the supporter of hypocentrum soleplate 1, 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 periphery, the artificial bone 7(tricalcium phosphate bone cement with self-solidifying solidity is packed into fluid state) inside the ring of described ring-type liner 5, after the described artificial bone 7 with self-solidifying solidity solidifies, its top and bottom are respectively with upper, the surface of hypocentrum soleplate 1 fits.The same with routine techniques, described drawable formula ring-shaped gasbag 6 is a kind of air bag 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 artificial bone after maintaining solidified inside, is unlikely to subside in advance.
Program device is also by Minimally Invasive Surgery implant into body spinal column.The interbody fusion (having internal fixtion) that actual employing is current, during operation, ring-type liner 5 of the present invention and peripheral drawable formula ring-shaped gasbag 6 can push between adjacent vertebral bodies soleplate 1 by puncture guide pin, working column and implantation push rod, again to the inner insufflation gas of drawable formula ring-shaped gasbag 6, make it distending and support to arrive in upper and lower terminal plate of vertebral body 1; Then in ring-type liner 5, insert tricalcium phosphate bone cement with fluid state, after described bone cement solidifies, its top and bottom are reached with the surface of upper and lower terminal plate of vertebral body 1 respectively and are fitted completely, now drawable described drawable formula ring-shaped gasbag 6.
Certain above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All modifications done according to the spirit of main technical schemes of the present invention, all should be encompassed within protection scope of the present invention.
Claims (3)
1. an intervertebral fills fusing device, for insert human body lumbar vertebra any two adjacent terminal plate of vertebral body (1) between, it is characterized in that this device comprises the body of wrapping that implant (3) is filled in an inside, also comprise one be placed on described in body of wrapping peripheral upper in order to support, hypocentrum soleplate (1) also props up the ring-shaped gasbag (4) of described implant (3), described body of wrapping is bag-like container (2), the dictyosome that described bag-like container (2) is made for biocompatible materials, this bag-like container (2) comprises enclosure (2b) and the end face (2a) that is connected with enclosure (2b) and bottom surface (2c), described implant (3) is packed in bag-like container (2) orders about end face (2a) and bottom surface (2c) respectively with upper, hypocentrum soleplate (1) surface fits, the count of the enclosure (2b) of described bag-like container (2) and support strength are greater than count and the support strength of end face (2a) and bottom surface (2c), and described implant (3) takes from autologous bone or allograph bone or artificial bone.
2. an intervertebral fills fusing device, for insert human body lumbar vertebra any two adjacent terminal plate of vertebral body (1) between, it is characterized in that it comprises one in order to prop up to upper, the supporter of hypocentrum soleplate (1), described supporter comprises a ring-type liner (5) and and is placed on the peripheral drawable formula ring-shaped gasbag (6) of described ring-type liner (5), the artificial bone with self-solidifying solidity is packed into fluid state inside the ring of described ring-type liner (5), 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), described ring-type liner (5) adopts biocompatible materials to make, and possess certain structural strength, be enough to support and artificial bone after maintaining solidified inside, be unlikely to subside in advance.
3. intervertebral according to claim 2 fills fusing device, and the artificial bone described in it is characterized in that with self-solidifying solidity is diverse bone types cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310590411.6A CN103655010B (en) | 2013-11-20 | 2013-11-20 | Intervertebral fills fusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310590411.6A CN103655010B (en) | 2013-11-20 | 2013-11-20 | Intervertebral fills fusing device |
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| CN103655010A CN103655010A (en) | 2014-03-26 |
| CN103655010B true CN103655010B (en) | 2016-04-27 |
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| CN201310590411.6A Active CN103655010B (en) | 2013-11-20 | 2013-11-20 | Intervertebral fills fusing device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9101408B1 (en) * | 2014-08-20 | 2015-08-11 | ZynFusion, LLC | Minimally invasive spinal fusion system and method |
| CN105380735B (en) * | 2015-12-07 | 2018-03-30 | 苏州博习医疗科技有限公司 | Intervertebral fills fusing device |
| CN107049565B (en) * | 2017-04-28 | 2020-04-21 | 宁波华科润生物科技有限公司 | Centrum fusion mechanism for entering way through minimally invasive access |
| CN107374789B (en) * | 2017-08-16 | 2019-12-31 | 苏州博习医疗科技有限公司 | Minimally invasive intervertebral fusion device |
| CN109528365A (en) * | 2018-11-30 | 2019-03-29 | 四川大学华西医院 | Cervical artificial disc tabulare gap filling device and artificial disc after arthroplasty |
| 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 |
| CN113288384A (en) * | 2021-05-12 | 2021-08-24 | 中国人民解放军南部战区总医院 | Self-assembled injection type intervertebral fusion device in vivo |
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| KR20050004526A (en) * | 2003-07-02 | 2005-01-12 | 김현집 | Composited dressing case for having all make-up tools |
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| CN103655010A (en) | 2014-03-26 |
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