CN1927139A - Artificial intervertebral disk device with flexible ring - Google Patents

Artificial intervertebral disk device with flexible ring Download PDF

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Publication number
CN1927139A
CN1927139A CNA2005101024199A CN200510102419A CN1927139A CN 1927139 A CN1927139 A CN 1927139A CN A2005101024199 A CNA2005101024199 A CN A2005101024199A CN 200510102419 A CN200510102419 A CN 200510102419A CN 1927139 A CN1927139 A CN 1927139A
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CN
China
Prior art keywords
flexible ring
movable
disk device
intervertebral disk
artificial intervertebral
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.)
Pending
Application number
CNA2005101024199A
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Chinese (zh)
Inventor
林智一
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INTERVIDEO Inc
Original Assignee
INTERVIDEO Inc
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Filing date
Publication date
Application filed by INTERVIDEO Inc filed Critical INTERVIDEO Inc
Priority to CNA2005101024199A priority Critical patent/CN1927139A/en
Publication of CN1927139A publication Critical patent/CN1927139A/en
Pending legal-status Critical Current

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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 relates to a flexible annular artificial intervertebral disk device, especially a device used to replace spine intervertebral disk, to be combined by upper and lower supports, while a flexible ring surrounds movably. Wherein, said invention comprises upper support with upper support surface and upper connecting surface; lower support with lower support surface and lower connecting surface; said upper and lower connecting surfaces can movably contacted; the invention is characterized in that: one side vertical surface of said upper and lower supports can movably sheath one flexible ring, to movably connect the upper and lower supports; said flexible ring is hollow to movably cover and surround the supports.

Description

A kind of artificial intervertebral disk device with flexible ring
Technical field
The invention relates to a kind of artificial intervertebral disk device with flexible ring, be meant a kind of vertebra intervertebral disc replacement that is applied to especially, with on one, a lower support element in conjunction with and a flexible ring movable around artificial intervertebral disk device with flexible ring.
Background technology
Traditional vertebra intervertebral disc replacement, the artificial intervertebral disk that is adopted, all be nonelastic and baroque metal group adult mostly, purpose just is the prevertebrate intervertebral disc position that removes is filled up, make its vertebral height of possessing original human body natural and curve, the less artificial intervertebral disk of considering restores later activity situation in operation.Another kind of artificial intervertebral disk substitute is block or implant cylindraceous, and it more just fills up original intervertebral disc position, and purpose is for making two joint vertebral segments connection growths up and down in aggregates, can't recovering the function of natural lamina especially.
And existing artificial intervertebral disk, two metal blocks are connected in two vertebral segments up and down up and down, the centre does not have cushion fully, or the middle softer cushion pad of a material that inserts and puts, as No. 6375682, United States Patent (USP) etc., it all is complex structure, and the whether inventive concept of the convenience when the less doctor of considering performs the operation, so and it is firm to solve existing polar artificial disc construction fully, two vertebral segments are impaired once more about easily causing, the assembling complexity is difficult when making operation technique, and can't recover the problem that sufferer is restored later natural activity situation etc.
Summary of the invention
A purpose of the present invention is to provide a kind of artificial intervertebral disk device with flexible ring.
Another object of the present invention is to provide an a kind of upper supporting piece and lower support element of including, these support members are movable to contact, and a peripheral side elevation is around the artificial intervertebral disk device with flexible ring of cover unification flexible ring.
Another purpose of the present invention be to provide a kind of on these contact surface of lower support element for the movable artificial intervertebral disk device with flexible ring that contacts and slide of cambered surface.
A further object of the present invention is to provide that a kind of the contact surface of lower support element is for to shake with movable the contacting mutually of the conical surface on these, and convex cone face cone degree is less than the artificial intervertebral disk device with flexible ring of concave cone face cone degree.
An also purpose of the present invention be to provide a kind of on these contact surface of lower support element respectively be arranged with a hemispherical-shaped aperture, and the further movable break-in ball that is equiped with again makes the movable artificial intervertebral disk device with flexible ring that engages of lower support element on these in the spherical pore that surrounds.
So a kind of artificial intervertebral disk device with flexible ring of the present invention, it comprises:
One upper supporting piece has a upper support face, and a upper connecting surface of relative direction; And
One lower support element has supporting surface, and the face that once connects of relative direction, and these are upper and lower to connect that face is movable to contact;
It is characterized in that: the peripheral side elevation of the upper and lower support member between these upper and lower supporting surfaces, further movable cover unification flexible ring, make these upper and lower support member is movable and engage, the hollow ring that this flexible ring is one of the forming, movable coating is surrounded on outside the side elevation of these upper and lower support members.
Above-mentioned artificial intervertebral disk device with flexible ring, wherein this upper connecting surface is a cambered surface, and this time connects face then for cooperating a reverse cambered surface that connects cambered surface on this, and these connect the movable contact slip of fitting that matches of cambered surface up and down.
Above-mentioned artificial intervertebral disk device with flexible ring, wherein this upper connecting surface is a conical surface, this time connects face then for cooperating a reverse conical surface that connects the conical surface on this, and close on these movable tops that contact of awl point that connect the conical surface up and down, and these taperings that connect the conical surface up and down are that convex cone face cone degree is less than concave cone face cone degree.
Above-mentioned artificial intervertebral disk device with flexible ring, wherein on these upper and lower supporting surfaces, a further movable installing one or a plural number interlock are followed closely.
Above-mentioned artificial intervertebral disk device with flexible ring, wherein these upper and lower support members respectively are an entity cake block, on the side elevation of these upper and lower cake blocks, annular is concaved with an engaging ditch, an and inner periphery of this hollow flexible ring, then convex with a plurality of ring ribs, in the movable engaging ditch that is sticked in these side elevations.
A kind of artificial intervertebral disk device with flexible ring of the present invention in addition, it comprises:
One upper supporting piece has a upper support face, and a upper connecting surface of relative direction; And
One lower support element has supporting surface, and the face that once connects of relative direction;
It is characterized in that: this upper and lower center that connects face respectively, be concaved with a hemispherical-shaped aperture, and this artificial intervertebral disk device with flexible ring further includes a break-in ball, movable being placed in the spherical pore that these upper and lower hemispherical-shaped aperture surround, and the peripheral side elevation of the upper and lower support member between these upper and lower supporting surfaces, further movable cover unification flexible ring, make these upper and lower support member is movable and engage, the hollow ring that this flexible ring is one of the forming, movable coating is surrounded on outside the side elevation of these upper and lower support members.
Above-mentioned artificial intervertebral disk device with flexible ring, wherein these upper and lower faces that connect respectively are a dimpling conical surface, the center all is arranged with this hemispherical-shaped aperture, and awl points that these are upper and lower to connect the dimpling conical surface are for surrounding this spherical pore setting relatively, and this break-in ball is movable is placed in this spherical pore.
Above-mentioned artificial intervertebral disk device with flexible ring, wherein on these upper and lower supporting surfaces, a further movable installing one or a plural number interlock are followed closely.
Above-mentioned artificial intervertebral disk device with flexible ring, wherein these upper and lower support members respectively are an entity cake block, on the side elevation of these upper and lower cake blocks, annular is concaved with an engaging ditch, an and inner periphery of this hollow flexible ring, then convex with a plurality of ring ribs, in the movable engaging ditch that is sticked in these side elevations.
Defined relative position among the present invention, as forward and backward, side elevation, upper and lower etc., be meant when operation is used, hand-held this artificial intervertebral disk device with flexible ring, before with the visual direction of user being, otherwise after being, upper and lower then is cephalopodium direction definition with reference to user, and, then be side elevation with respect to the periphery of these upper and lower two ends.
Description of drawings
Fig. 1 is a sketch map of the present invention's one artificial intervertebral disk device with flexible ring preferred embodiment.
Fig. 2 a and Fig. 2 b are a kind of structural profile sketch map of this artificial intervertebral disk device with flexible ring.
Fig. 3 a and Fig. 3 b are the another kind of structural profile sketch map of this artificial intervertebral disk device with flexible ring.
Fig. 4 is another preferred embodiment sketch map of this artificial intervertebral disk device with flexible ring.
Fig. 5 is the structural profile sketch map of this another artificial intervertebral disk device with flexible ring.
Fig. 6 is this artificial intervertebral disk device with flexible ring practical application sketch map.
Reference numeral
10. artificial intervertebral disk device with flexible ring first concrete example
20. upper supporting piece 21. upper support faces
22. upper connecting surface 23. side elevations
24. interlock nail 221. downward convex globoidals
222. downward cancave cambered surface 223. downward convex cone faces
224. concave cone face 225. is bored points downwards
231. engaging ditch
30. lower support element 31. lower support faces
32. under connect face 33. side elevations
34. interlock nail 321. is cancave cambered surface upwards
322. convex cambered surface 323. is the concave cone face upwards
324. the convex conical surface 325. awl points
331. engaging ditch
40. flexible ring 41. inner peripherys
42. ring rib
50. artificial intervertebral disk device with flexible ring second concrete example
51. break-in ball
60. upper supporting piece 61. upper support faces
62. upper connecting surface 63. side elevations
621. hemispherical-shaped aperture
70. lower support element 71. lower support faces
72. under connect face 73. side elevations
721. hemispherical-shaped aperture
81. 82. times vertebral segments of last vertebral segments
The specific embodiment
For further specifying the present invention, cooperate graphic explanation embodiment as follows with preferred embodiment now:
Among Fig. 1, the present invention's one artificial intervertebral disk device with flexible ring preferred embodiment is implemented aspect 10, include a upper supporting piece 20, an and lower support element 30, this upper supporting piece 20 has a upper connecting surface 22 of a upper support face 21 and relative direction, this lower support element 30 also has the face that connects 32 of supporting surface 31 and relative direction once, these upper connecting surfaces 22, connects face 32 movable contacting down.In addition, upper supporting piece 20, lower support element 30 peripheral side elevations 23,33 that these upper support faces 21, lower support face are 31, then further movable cover unification flexible ring 40 makes these upper supporting pieces 20, lower support element 30 movable engaging.The hollow ring that this flexible ring 40 is one of the forming, movable coating are surrounded on outside the side elevation 23,33 of these upper supporting pieces 20, lower support element 30.
Among Fig. 2 a and Fig. 2 b, these upper supporting pieces 20, lower support element 30 respectively are an entity cake block, on the side elevation 23,33 of these upper and lower cake blocks, annular is concaved with an engaging ditch 231,331, an and inner periphery 41 (as Fig. 1) of this hollow flexible ring 40, then convex with a plurality of ring ribs 42, in the movable engaging ditch 231,331 that is sticked in these side elevations 23,33.
This upper connecting surface 22 is a cambered surface, as be a downward convex globoidal 221 or downward cancave cambered surface 222, and this time connects face 32 for cooperating a reverse cambered surface of this upper connecting surface 22, be upwards a cancave cambered surface 321 or a convex cambered surface 322, these upper connecting surfaces 22, down connect face 32 movable match fit contact to around slide, but surround because of being subject to peripheral flexible ring 40, so only can do moving of extreme position.
On these upper support faces 21, the lower support face 31, a further movable installing one or a plural number interlock follow closely 24,34 again.
Among Fig. 3 a and Fig. 3 b, the upper connecting surface 22 of this upper supporting piece 20 also can be a conical surface, as be a downward convex cone face 223 or downward concave cone face 224, and the following face 32 that connects of this lower support element 30 then for cooperating a reverse conical surface of this upper connecting surface 22, is make progress a concave cone face 323 or a convex conical surface 324.Close on these upper connecting surfaces 22, the movable top that contacts of awl point 225,325 that connects face 32 down, and these upper connecting surfaces 22, the tapering that connects face 32 down be convex cone face cone degree less than concave cone face cone degree, make these upper supporting pieces 20, lower support element 30 can to around shake.
Among Fig. 4, another artificial intervertebral disk device with flexible ring preferred embodiment of the present invention is implemented aspect 50, includes a upper supporting piece 60, has a upper connecting surface 62 of a upper support face 61 and relative direction, one lower support element 70 has the face that connects 72 of supporting surface 71 and relative direction once.Respectively this upper connecting surface 62, connect the center of face 72 down, be concaved with a hemispherical-shaped aperture 621 (not shown)s, 721, and this artificial intervertebral disk device with flexible ring 50, further include a break-in ball 51, movable being placed in the spherical pore that these first spherical pores 621, second spherical pore 721 surround.
Upper supporting piece 60, lower support element 70 peripheral side elevations 63,73 that these upper support faces 61, lower support face are 71, further movable cover is should flexible ring 40 makes these upper supporting pieces 60, lower support element 70 movable engaging.
Among Fig. 5, these upper connecting surfaces 62, to connect face 72 down all respectively be a dimpling conical surface, the center all is arranged with this hemispherical-shaped aperture 621,721, these upper connecting surfaces 62, connect face 72 down and connect the awl point (virtual) of the dimpling conical surface for surrounding this spherical pore setting relatively, and these break-in ball 51 movable being placed in this spherical pore, make these upper supporting pieces 60, lower support element 70 can to around shake.
Among Fig. 6; implement aspect 10 as this artificial intervertebral disk device with flexible ring preferred embodiment; for place vertebral segments 81 on, once between the vertebral segments of vertebral segments 82; and by these interlock nails 24,34; thrust in these vertebral segments 81,82 and fix, make still to combine these vertebral segments 81,82 by these upper supporting pieces 20, the movable of lower support element 30; and the limiting protecting of peripheral flexible ring 40, and safety is possessed mobilizable state of former intervertebral disc part.

Claims (9)

1. artificial intervertebral disk device with flexible ring, it comprises:
One upper supporting piece has a upper support face, and a upper connecting surface of relative direction; And
One lower support element has supporting surface, and the face that once connects of relative direction, and these are upper and lower to connect that face is movable to contact;
It is characterized in that: the peripheral side elevation of the upper and lower support member between these upper and lower supporting surfaces, further movable cover unification flexible ring, make these upper and lower support member is movable and engage, the hollow ring that this flexible ring is one of the forming, movable coating is surrounded on outside the side elevation of these upper and lower support members.
2. artificial intervertebral disk device with flexible ring as claimed in claim 1, wherein this upper connecting surface is a cambered surface, and this time connects face then for cooperating a reverse cambered surface that connects cambered surface on this, and these connect the movable contact slip of fitting that matches of cambered surface up and down.
3. artificial intervertebral disk device with flexible ring as claimed in claim 1, wherein this upper connecting surface is a conical surface, this time connects face then for cooperating a reverse conical surface that connects the conical surface on this, close on these movable tops that contact of awl point that connect the conical surface up and down, and these taperings that connect the conical surface up and down are that convex cone face cone degree is less than concave cone face cone degree.
4. artificial intervertebral disk device with flexible ring as claimed in claim 1, wherein on these upper and lower supporting surfaces, a further movable installing one or a plural number interlock are followed closely.
5. artificial intervertebral disk device with flexible ring as claimed in claim 1, wherein these upper and lower support members respectively are an entity cake block, on the side elevation of these upper and lower cake blocks, annular is concaved with an engaging ditch, an and inner periphery of this hollow flexible ring, then convex with a plurality of ring ribs, in the movable engaging ditch that is sticked in these side elevations.
6. artificial intervertebral disk device with flexible ring, it comprises:
One upper supporting piece has a upper support face, and a upper connecting surface of relative direction; And
One lower support element has supporting surface, and the face that once connects of relative direction;
It is characterized in that: this upper and lower center that connects face respectively, be concaved with a hemispherical-shaped aperture, and this artificial intervertebral disk device with flexible ring further includes a break-in ball, movable being placed in the spherical pore that these upper and lower hemispherical-shaped aperture surround, and the peripheral side elevation of the upper and lower support member between these upper and lower supporting surfaces, further movable cover unification flexible ring, make these upper and lower support member is movable and engage, the hollow ring that this flexible ring is one of the forming, movable coating is surrounded on outside the side elevation of these upper and lower support members.
7. artificial intervertebral disk device with flexible ring as claimed in claim 6, wherein these upper and lower faces that connect respectively are a dimpling conical surface, the center all is arranged with this hemispherical-shaped aperture, and awl points that these are upper and lower to connect the dimpling conical surface are for surrounding this spherical pore setting relatively, and this break-in ball is movable is placed in this spherical pore.
8. artificial intervertebral disk device with flexible ring as claimed in claim 6, wherein on these upper and lower supporting surfaces, a further movable installing one or a plural number interlock are followed closely.
9. artificial intervertebral disk device with flexible ring as claimed in claim 6, wherein these upper and lower support members respectively are an entity cake block, on the side elevation of these upper and lower cake blocks, annular is concaved with an engaging ditch, an and inner periphery of this hollow flexible ring, then convex with a plurality of ring ribs, in the movable engaging ditch that is sticked in these side elevations.
CNA2005101024199A 2005-09-09 2005-09-09 Artificial intervertebral disk device with flexible ring Pending CN1927139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2005101024199A CN1927139A (en) 2005-09-09 2005-09-09 Artificial intervertebral disk device with flexible ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2005101024199A CN1927139A (en) 2005-09-09 2005-09-09 Artificial intervertebral disk device with flexible ring

Publications (1)

Publication Number Publication Date
CN1927139A true CN1927139A (en) 2007-03-14

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Country Status (1)

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CN (1) CN1927139A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102232879A (en) * 2010-04-23 2011-11-09 蒋秀英 Artificial disc
CN105310758A (en) * 2015-03-18 2016-02-10 周军 Intervertebral disc stabilizer and method for applying same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102232879A (en) * 2010-04-23 2011-11-09 蒋秀英 Artificial disc
CN105310758A (en) * 2015-03-18 2016-02-10 周军 Intervertebral disc stabilizer and method for applying same
CN105310758B (en) * 2015-03-18 2017-08-01 周军 A kind of intervertebral disk stabilizer and its application method

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