JP2606035Y2 - Spine correction plate device - Google Patents
Spine correction plate deviceInfo
- Publication number
- JP2606035Y2 JP2606035Y2 JP6918293U JP6918293U JP2606035Y2 JP 2606035 Y2 JP2606035 Y2 JP 2606035Y2 JP 6918293 U JP6918293 U JP 6918293U JP 6918293 U JP6918293 U JP 6918293U JP 2606035 Y2 JP2606035 Y2 JP 2606035Y2
- Authority
- JP
- Japan
- Prior art keywords
- bolt
- plate device
- nut
- head
- plate
- 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.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7062—Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
- A61B17/7068—Devices comprising separate rigid parts, assembled in situ, to bear on each side of spinous processes; Tools therefor
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本願考案は、変形または過度に彎
曲した脊椎を矯正するために用いるプレート装置に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate apparatus used for correcting a deformed or excessively curved spine.
【０００２】[0002]
【従来の技術】従来より、変形または過度に彎曲した脊
椎を治療、矯正するため、複数の椎体又は棘突起を架橋
する如く金属製の脊椎矯正用プレート装置（以下、プレ
ート装置と略称する）で固定することが行われてきた。2. Description of the Related Art Conventionally, in order to treat and correct a deformed or excessively curved spine, a metal spine correcting plate device (hereinafter abbreviated as a plate device) made of a plurality of vertebral bodies or spinous processes is bridged. It has been fixed with.
【０００３】図８乃至図１０は、従来より用いられてき
たプレート装置Ａとその使用態様を示し、まず、図８に
示すように複数個の開孔Ｐ1 を有する一対のプレート
Ｐ，Ｐを、該開孔Ｐ2 を挿通する長い軸部Ｂ1 を有する
仮止用ボルトＢ及び該仮止用ボルトを螺合するナットＮ
によって脊椎棘突起Ｓの左右に上記一対のプレートＰ，
Ｐに形成した多数の小突起Ｐ2 を形成した面が対向する
ように仮止めする。そして、図９に示すように短い軸部
Ｍ1 を有する固定用ボルトＭ及び該固定用ボルトＭを嵌
合するナットＬでもってプレート装置Ａを固定した後、
上記仮止用ボルトＢに嵌合するナットＮを軸部Ｂ1 から
外して、仮止用ボルトＢをプレート装置Ａから取り外
し、最終的に図１０に示すように固定用ボルトＭを残し
てプレート装置Ａを装着していた。[0003] FIGS. 8 to 10 has been used conventionally plate device A and shows the mode of use, first, a pair of plate P having a plurality of apertures P 1 as shown in FIG. 8, the P nut screwing the tacking bolts B and the temporary stop bolt having a long shank B 1 for inserting the the open hole P 2 N
The pair of plates P,
Number of the formed surface of the small projection P 2 formed in P is temporarily fixed so as to face each other. Then, after fixing the plate device A with a nut L to fit the fixing bolts M and the fixing bolt M has a short shaft portion M 1 as shown in FIG. 9,
Remove the nut N to be fitted to the bolt B for the temporary stop from the shaft portion B 1, remove the tacking bolt B from the plate device A, and finally the plate, leaving the locking bolt M as shown in FIG. 10 The device A was attached.
【０００４】[0004]
【従来技術の課題】しかしながら、上記従来技術では、
仮止用ボルトをプレート装置から取り外す際にナットを
数十回転も回さなければならず、面倒であるとともに、
手術時間がそれだけ長くなるため患者の出血量も多くな
るという不具合があった。However, in the above prior art,
When removing the temporary fixing bolt from the plate device, the nut must be turned several tens of turns, which is troublesome,
There was a problem that the amount of bleeding of the patient also increased due to the longer operation time.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するた
め、本願考案は、僅かな動作及び時間で仮止用のボルト
を一対のプレートから離脱させることができるよう、ボ
ルトの頭部を軸部に対して着脱自在とした。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the invention of the present application is to set the head of the bolt to a shaft so that the bolt for temporary fixing can be detached from the pair of plates with a small operation and time. To be removable.
【０００６】[0006]
【実施例】以下、本考案の実施例を図を用いて説明す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【０００７】図１乃至図２は、生体為害性のない金属材
料、例えばステンレス合金、チタン合金等よりなる本実
施例のプレート装置１を脊椎Ｍを構成する椎体Ｔの後ろ
側、すなわち棘突起Ｓの左右に仮止めする態様を示す。FIGS. 1 and 2 show a plate device 1 of the present embodiment made of a metal material having no harm to the living body, for example, a stainless alloy, a titanium alloy or the like. An aspect in which temporary fixing is performed on the left and right of S is shown.
【０００８】このプレート装置１を構成する一対のプレ
ート１０，１０は、図３に示すように一方の面に小突起
１１を多数具備し、この小突起１１が棘突起Ｓ（不図
示）の右又は左側面に刺入れるように対面させ、仮止用
ボルト２０およびナット３０の締付力によって複数の棘
突起Ｓを左右両側から刺持できるように、仮止用ボルト
２０の軸部２１を挿通せしめる複数の開孔１２が形成さ
れている。As shown in FIG. 3, a pair of plates 10 constituting the plate device 1 has a large number of small projections 11 on one surface, and the small projections 11 are located on the right side of the spinous process S (not shown). Alternatively, the shaft portion 21 of the temporary fixing bolt 20 is inserted so that the plurality of spinous processes S can be inserted from both left and right sides by the fastening force of the temporary fixing bolt 20 and the nut 30. A plurality of openings 12 are formed.
【０００９】図４は、本考案一実施例に係るプレート装
置１を構成する仮止用ボルト２０を示し、この仮止用ボ
ルト２０は上記プレート１０，１０を仮止めするため充
分な長さをもった軸部２１の後端側に大径の頭部２２を
着脱自在に螺合する構造となっている。FIG. 4 shows a temporary fixing bolt 20 which constitutes the plate device 1 according to one embodiment of the present invention. The temporary fixing bolt 20 has a sufficient length for temporarily fixing the plates 10 and 10. A large-diameter head 22 is detachably screwed onto the rear end side of the shaft 21 having the same.
【００１０】また、上記ボルト２０とナット３０は、ボ
ルト２０の頭部２２の軸部２１側とナットの一方端側の
各々に、前記ボルト２０の有効ネジ径よりも大きく頭部
２２の外径よりも小さい首部を備える。 The bolt 20 and the nut 30 are
Of the shaft 21 of the head 22 of the bolt 20 and one end of the nut
Each of the heads is larger than the effective screw diameter of the bolt 20.
22 having a neck smaller than the outside diameter.
【００１１】図５乃至図７は、この仮止用ボルト２０を
用いたプレート装置１の使用態様を示し、まず、プレー
ト装置１を仮止めするにあたって、上記一対のプレート
１０，１０の開孔１２に仮止用ボルト２０の軸部２１を
挿通し、さらに該軸部２１の先端側よりナット３０を螺
合してプレート装置１を仮止めできる状態に前もって組
み立てておく。そして、一対のプレート１０，１０で棘
突起Ｓを挟むようにして、上記ナット３０を締付け、図
５に示すようにプレート装置１を所望の部位に仮止めす
る。この時、前記ボルト２０の頭部２２の軸部２１側に
備える首部、および、前記ナット３０の一方端側に備え
る首部が、それぞれ各プレート１０の開孔１２内に嵌合
され、その孔壁と当接した状態とする。 FIGS. 5 to 7 show the use of the plate device 1 using the temporary fixing bolts 20. First, when the plate device 1 is temporarily fixed, the holes 12 of the pair of plates 10, 10 are opened. The plate 21 is assembled in advance so that the plate unit 1 can be temporarily fixed by inserting the shaft 21 of the temporary fixing bolt 20 through the nut 21 and screwing the nut 30 from the distal end side of the shaft 21. Then, the nut 30 is tightened so as to sandwich the spinous process S between the pair of plates 10 and 10, and the plate device 1 is temporarily fixed to a desired portion as shown in FIG. At this time, on the shaft 21 side of the head 22 of the bolt 20
A neck provided on one end side of the nut 30
Necks fit into the apertures 12 of each plate 10, respectively.
And brought into contact with the hole wall.
【００１２】次に、図６に示すように軸部４１が短い固
定用ボルト４０とこれに対応するナット３０を用いてプ
レート装置１を固定する本格的な固定術を施した後、次
に不図示の六角レンチで上記仮止用ボルト２０の頭部２
２を数回転させることによりこれを軸部２１より取り外
し、軸部２１及びナット３０をプレート装置１より抜き
取る。Next, as shown in FIG. 6, a full-scale fixing operation for fixing the plate device 1 using a fixing bolt 40 having a short shaft portion 41 and a corresponding nut 30 is performed. The head 2 of the temporary fixing bolt 20 using a hexagon wrench as shown
By rotating the shaft 2 several times, it is removed from the shaft 21, and the shaft 21 and the nut 30 are removed from the plate device 1.
【００１３】図７は、プレート装置１の装着が完了した
状態を示し、プレート装置１は、固定用ボルト４０によ
って、一対のプレート１０，１０を相互にネジ締結して
棘突起Ｓを固定した状態で体内に長期間埋め込まれる。FIG. 7 shows a state in which the mounting of the plate apparatus 1 is completed. The plate apparatus 1 is in a state in which the pair of plates 10, 10 are screwed to each other with the fixing bolts 40 to fix the spinous process S. And is implanted in the body for a long time.
【００１４】このように構成されるプレート装置１を用
いれば、仮止用ボルト２０の頭部２２を数回転させるだ
けで上記仮止用ボルト２０をプレート装置１から取り外
すことができるので、面倒でなく、手術時間を短縮する
ことができ、よって出血多量等の手術の長時間化に伴う
不具合を避けることができる。By using the plate device 1 configured as described above, the temporary fixing bolt 20 can be detached from the plate device 1 only by rotating the head 22 of the temporary fixing bolt 20 a few times. In addition, the operation time can be shortened, so that problems such as a large amount of bleeding caused by a long operation can be avoided.
【００１５】[0015]
【考案の効果】叙上のように、本願考案のプレート装置
によれば、僅かな動作と時間によって仮止用ボルトをプ
レート装置から抜き取ることができるので、手術時間を
短縮することができ、よって、出血多量等の手術の長時
間化に伴う不具合を避けることができた。[Effect of the Invention] As described above, according to the plate device of the present invention, the temporary fixing bolt can be pulled out of the plate device with a small amount of operation and time, so that the operation time can be shortened. In addition, problems associated with prolonged operation such as a large amount of bleeding could be avoided.
【図１】本考案実施例の脊椎矯正プレート装置を棘突起
の左右に仮止めした状態を示す図である。FIG. 1 is a view showing a state in which a spinal correction plate device according to an embodiment of the present invention is temporarily fixed to left and right of spinous processes.
【図２】図１のＸ−Ｘ線図である。FIG. 2 is an XX diagram of FIG. 1;
【図３】本考案実施例の脊椎矯正用プレート装置を仮止
めする態様を示す図である。FIG. 3 is a view illustrating a temporary fixing state of the spine correcting plate device according to the embodiment of the present invention.
【図４】本考案実施例の脊椎矯正用プレート装置を構成
する仮止用ボルトを示す図である。FIG. 4 is a view showing a temporary fixing bolt included in the spine correcting plate device according to the embodiment of the present invention;
【図５】本考案実施例の脊椎矯正用プレート装置を仮止
めした状態を示す図である。FIG. 5 is a view illustrating a state in which the spinal correction plate device according to the embodiment of the present invention is temporarily fixed.
【図６】図５のプレート装置を固定する態様を示す図で
ある。FIG. 6 is a view showing a mode of fixing the plate device of FIG. 5;
【図７】図５のプレート装置を固定した状態を示す図で
ある。FIG. 7 is a view showing a state where the plate device of FIG. 5 is fixed.
【図８】従来の脊椎矯正用プレート装置を仮止めした状
態を示す図である。FIG. 8 is a view showing a state in which a conventional spinal correction plate device is temporarily fixed.
【図９】図８のプレート装置を固定する態様を示す図で
ある。FIG. 9 is a view showing a mode of fixing the plate device of FIG. 8 ;
【図１０】図８のプレート装置を固定した状態を示す図
である。FIG. 10 is a view showing a state where the plate device of FIG. 8 is fixed.
１ （脊椎矯正用）プレート装置 １０ プレート １１ 小突起 １２ 開孔 ２０、４１ 仮止用ボルト ２１ 軸部 ２２ 頭部 ３０ ナット ４０ 固定用ボルトDESCRIPTION OF SYMBOLS 1 (For spinal correction) Plate device 10 Plate 11 Small protrusion 12 Opening 20, 41 Temporary fixing bolt 21 Shaft 22 Head 30 Nut 40 Fixing bolt
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) A61B 17/56 - 17/92 A61F 2/44 A61F 5/01 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) A61B 17/56-17/92 A61F 2/44 A61F 5/01
Claims (1)
該開孔に挿通する軸部と該軸部の一方端に大径の頭部と
を有するボルト及び該ボルトを嵌合するナットによって
脊椎棘突起の左右に対面するように仮止した後、上記一
対のプレートを相互にネジ締結して脊椎棘突起を固定す
る装置であって、 上記ボルトとナットは、ボルトの頭部の軸部側とナット
の一方端側の各々に、前記プレートの開孔内に嵌合され
て該開孔内の孔壁と当接するボルトの有効ネジ径よりも
大きく頭部の外径よりも小さい首部を備えるとともに、
上記ボルトの頭部が軸部に対して着脱自在であることを
特徴とする脊椎矯正用プレート装置。1. A pair of plates having a plurality of openings,
A bolt having a shank inserted into the opening, a large-diameter head at one end of the shank, and a nut for fitting the bolt, are temporarily fixed so as to face right and left of the spinous spinous process. And fixing the spinous process by screwing the pair of plates to each other, wherein the bolt and the nut are connected to the shaft side of the head of the bolt and the nut.
Are fitted into the apertures of the plate
Than the effective screw diameter of the bolt in contact with the hole wall in the opening.
With a neck that is large and smaller than the outside diameter of the head,
A spine correction plate device, wherein a head of the bolt is detachable from a shaft portion .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6918293U JP2606035Y2 (en) | 1993-12-24 | 1993-12-24 | Spine correction plate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6918293U JP2606035Y2 (en) | 1993-12-24 | 1993-12-24 | Spine correction plate device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0737112U JPH0737112U (en) | 1995-07-11 |
| JP2606035Y2 true JP2606035Y2 (en) | 2000-09-11 |
Family
ID=13395333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6918293U Expired - Fee Related JP2606035Y2 (en) | 1993-12-24 | 1993-12-24 | Spine correction plate device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2606035Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4861404B2 (en) * | 2005-03-21 | 2012-01-25 | カイフォン・ソシエテ・ア・レスポンサビリテ・リミテ | Interspinous process implant with threaded wing |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE510025C2 (en) * | 1996-05-10 | 1999-04-12 | Robert J Medoff | Graft material retaining device |
| US7048736B2 (en) * | 2002-05-17 | 2006-05-23 | Sdgi Holdings, Inc. | Device for fixation of spinous processes |
| US9055981B2 (en) | 2004-10-25 | 2015-06-16 | Lanx, Inc. | Spinal implants and methods |
| US8241330B2 (en) | 2007-01-11 | 2012-08-14 | Lanx, Inc. | Spinous process implants and associated methods |
| US9265532B2 (en) | 2007-01-11 | 2016-02-23 | Lanx, Inc. | Interspinous implants and methods |
| BRPI1014864A2 (en) * | 2009-03-31 | 2017-03-28 | Lanx Inc | "implantation of spinous processes and associated methods" |
| US11812923B2 (en) | 2011-10-07 | 2023-11-14 | Alan Villavicencio | Spinal fixation device |
-
1993
- 1993-12-24 JP JP6918293U patent/JP2606035Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4861404B2 (en) * | 2005-03-21 | 2012-01-25 | カイフォン・ソシエテ・ア・レスポンサビリテ・リミテ | Interspinous process implant with threaded wing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0737112U (en) | 1995-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |