JPH0737112U - Spinal plate device - Google Patents
Spinal plate deviceInfo
- Publication number
- JPH0737112U JPH0737112U JP6918293U JP6918293U JPH0737112U JP H0737112 U JPH0737112 U JP H0737112U JP 6918293 U JP6918293 U JP 6918293U JP 6918293 U JP6918293 U JP 6918293U JP H0737112 U JPH0737112 U JP H0737112U
- Authority
- JP
- Japan
- Prior art keywords
- plate device
- bolt
- plates
- pair
- shaft portion
- 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.)
- Granted
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)
Abstract
(57)【要約】
【構成】 複数個の開孔を有する一対のプレートを、該
開孔を挿通する軸部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
仮止めした後、上記一対のプレートを相互にネジ締結し
て棘突起Ｓを固定する装置であって、僅かな動作及び時
間で仮止用ボルト２０，５０をプレートから離脱させる
ことができるよう、仮止用ボルト２０のヘッド部２２を
軸部２１に対して着脱自在とし、又別の態様としてヘッ
ド部５２をプレート１０の開孔１２に挿通できる形状で
あって、先端側をフック状とした。
【効果】 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。
(57) [Summary] [Structure] A pair of plates having a plurality of openings are faced to the left and right of the spinous process by a bolt having a shaft portion that inserts the openings and a nut that fits the bolt. It is a device for fixing the spinous process S by screwing the pair of plates to each other after temporarily fixing them to each other so that the temporary fixing bolts 20 and 50 can be detached from the plates with a little operation and time. The head portion 22 of the temporary fixing bolt 20 can be attached to and detached from the shaft portion 21. Alternatively, the head portion 52 can be inserted into the opening 12 of the plate 10, and the tip end side is hook-shaped. did. [Effect] The operation time can be shortened, and therefore, it is possible to avoid problems such as a large amount of bleeding caused by a long operation time.
Description
【０００１】[0001]
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。 The present invention relates to a plate device used to correct a deformed or overly curved spine.
【０００２】[0002]
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。 Conventionally, in order to treat and correct a deformed or excessively curved spine, it is fixed by a metal spine correction plate device (hereinafter, simply referred to as a plate device) so as to bridge a plurality of vertebral bodies or spinous processes. Has been done.
【０００３】 図１２乃至図１４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１２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Ｂ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１３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１４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。FIG. 12 to FIG. 14 show a plate apparatus A that has been used conventionally and its usage mode. First, as shown in FIG. 12, a pair of plates P 1 and P 2 having a plurality of openings P 1 are provided. , A pair of plates P, P on the left and right of the spinous process S by means of a temporary fixing bolt B having a long shaft portion B 1 inserted through the opening P 2 and a nut N screwed with the temporary fixing bolt B. It is temporarily fixed so that the surfaces on which a large number of small projections P 2 are formed are opposed. Then, as shown in FIG. 13, after fixing the plate device A with a fixing bolt M having a short shaft portion M 1 and a nut L for fitting the fixing bolt M, the plate device A is fitted to the temporary fixing bolt B. Was removed from the shaft portion B 1 , the temporary fixing bolt B was removed from the plate device A, and the plate device A was finally attached with the fixing bolt M left as shown in FIG. .
【０００４】[0004]
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-mentioned conventional technique, when removing the temporary fixing bolt from the plate device, the nut has to be rotated several tens of times, which is bothersome, and the operation time is lengthened accordingly, resulting in a large amount of bleeding in the patient. There was a problem.
【０００５】[0005]
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め用のボル トを一対のプレートから離脱させることができるよう、ボルトのヘッド部を軸部 に対して着脱自在とし、又別の態様としてヘッド部を上記プレートの開孔に挿通 できる形状であって、先端側がフック状とした。 In order to solve the above problems, the present invention makes the head portion of the bolt detachable from the shaft portion so that the temporary fixing bolt can be detached from the pair of plates with a little movement and time, and As another aspect, the head portion has a shape that can be inserted into the opening of the plate, and the tip side is a hook shape.
【０００６】[0006]
以下、本考案の実施例を図を用いて説明する。 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 合金等よる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 the plate device 1 of the present embodiment made of a metal material which is not harmful to the body, for example, a stainless alloy, a titanium alloy, etc., on the rear side of the vertebral body T constituting the spine M, that is, the spinous process. The mode which temporarily fixes to 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するように対面させ、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, the pair of plates 10 and 10 constituting the plate device 1 are provided with a large number of small projections 11 on one surface thereof, and these small projections 11 are on the right side of the spinous process S (not shown). Alternatively, the shaft portion 21 of the temporary fixing bolt 20 is placed so as to face the left side surface so that the plurality of spinous processes S can be pierced from the left and right sides by the tightening force of the temporary fixing bolt 20 and the nut 30. A plurality of openings 12 are formed so that they can be inserted.
【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の後端側に大径のヘッド部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 that constitutes the plate device 1 according to an 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 portion 22 is detachably screwed to the rear end side of the shaft 21 having the shaft.
【００１０】 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 組立ておく。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。FIG. 5 to FIG. 7 show a usage mode of the plate device 1 using the temporary fixing bolts 20. First, when the plate device 1 is temporarily fixed, the openings 12 of the pair of plates 10 1, 10 2 are used. Then, the shaft portion 21 of the temporary fixing bolt 20 is inserted, and the nut 30 is screwed from the tip end side of the shaft portion 21 so that the plate device 1 can be temporarily fixed in advance. Then, the spinous process S is sandwiched between the pair of plates 10 and 10 and the nut 30 is tightened to temporarily fix the plate device 1 to a desired portion as shown in FIG.
【００１１】 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のヘッド部２２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, after performing a full-scale fixing operation of fixing the plate device 1 using the fixing bolt 40 having a short shaft portion 41 and the nut 30 corresponding thereto, The head portion 22 of the temporary fixing bolt 20 is removed from the shaft portion 21 by rotating the head portion 22 with a hexagon wrench (not shown), and the shaft portion 21 and the nut 30 are pulled out from the plate device 1.
【００１２】 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こまれる。FIG. 7 shows a state in which the mounting of the plate device 1 is completed, and the plate device 1 fixes the spinous protrusion S by screwing the pair of plates 10 and 10 to each other with the fixing bolt 40. It will be buried in the body for a long period of time.
【００１３】 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のヘッド 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 removed from the plate device 1 by simply rotating the head portion 22 of the temporary fixing bolt 20 several times. It is not troublesome, and the operation time can be shortened, so that it is possible to avoid problems such as a large amount of bleeding caused by a long operation time.
【００１４】 また、図８〜図１１は本考案に係る他の実施例のプレート装置１とその使用態 様を示し、まず、図８に示すように上記プレート装置１を仮止めするため充分長 い軸部５１の後端側にフック状となったヘッド部５２を形成してなる仮止用ボル ト５０を、上記一対のプレート１０，１０の開孔１２に挿通し、ヘッド部５２で プレート１０を引っ掛けながら軸部５１の先端からナット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立ておく。そして、一対のプレート１ ０，１０で棘突起Ｓを挟むようにして、上記ナット３０を締付け、図８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。8 to 11 show a plate apparatus 1 according to another embodiment of the present invention and its usage. First, as shown in FIG. 8, it is long enough to temporarily fix the plate apparatus 1. The temporary fixing bolt 50, which is formed with a hook-shaped head portion 52 on the rear end side of the shaft portion 51, is inserted into the opening 12 of the pair of plates 10 and 10, and the head portion 52 is used to plate the plate. The nut 30 is screwed from the tip of the shaft portion 51 while hooking 10, and the plate device 1 is assembled in advance so that it can be temporarily fixed. Then, the nut 30 is tightened so that the spinous process S is sandwiched between the pair of plates 10 and 10, and the plate device 1 is temporarily fixed to a desired portion as shown in FIG.
【００１５】 次に、図９に示すように軸部４１が短い固定用ボルト４０と対応するナット３ ０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、次にナット３ ０を数回転させ仮止用ボルト５０のヘッド部５２のフック状態を解除するが、こ のヘッド部５２は、図１０に示すように上記プレート１０，１０の開孔１２を挿 通できる形状となっており、この仮止用ボルト５０を適当に回動し、ヘッド部５ ２を上記開孔１２に挿通させることができる状態として、仮止用ボルト５０をプ レート装置１より抜き取る。Next, as shown in FIG. 9, after performing a full-scale fixing technique for fixing the plate apparatus 1 using the nut 30 corresponding to the fixing bolt 40 having the short shaft portion 41, the nut 3 is next. 0 is rotated several times to release the hooked state of the head portion 52 of the temporary fixing bolt 50. The head portion 52 has such a shape that the holes 12 of the plates 10 and 10 can be inserted as shown in FIG. The temporary fixing bolt 50 is appropriately rotated, and the temporary fixing bolt 50 is pulled out from the plater 1 in a state where the head portion 52 can be inserted into the opening 12.
【００１６】 図１１は、プレート装置１の装着が完了した状態を示し、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こまれる。FIG. 11 shows a state in which the plate device 1 is completely attached, and the pair of plates 10, 10 are screwed together by the fixing bolt 40 to fix the spinous process S inside the body. Embedded for a long time.
【００１７】 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５０を嵌合す るナット３０を数回転させるだけで上記仮止用ボルト５０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 50 can be removed from the plate device 1 by simply rotating the nut 30 into which the temporary fixing bolt 50 is fitted several times. However, it is not troublesome and the operation time can be shortened, so that it is possible to avoid troubles such as a large amount of bleeding caused by a long operation time.
【００１８】[0018]
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。 As described above, according to the plate device of the present invention, the temporary fixing bolt can be pulled out from the plate device with a slight operation and time, so that the operation time can be shortened, and therefore, a large amount of bleeding etc. We were able to avoid the problems associated with the prolonged operation of surgery.
【図１】本考案実施例の脊椎矯正用プレート装置を棘突
起の左右に仮止めした状態を示す正面図である。FIG. 1 is a front view showing a state in which a spinal correction plate device according to an embodiment of the present invention is temporarily fixed to the left and right of a spinous process.
【図２】図１のＸーＸ線図である。2 is an XX diagram of FIG. 1. FIG.
【図３】本考案実施例の脊椎矯正用プレート装置を構成
するプレートの正面図である。FIG. 3 is a front view of a plate that constitutes the spinal plate correction plate apparatus according to the embodiment of the present invention.
【図４】本考案一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の正面図である。FIG. 4 is a front view of a temporary fixing bolt that constitutes the spinal correction plate device according to an embodiment of the present invention.
【図５】本考案一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 showing a state in which the spinal correction plate device of one 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.
【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】本考案他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. 8 is a view showing a state where the plate device for spinal correction according to another embodiment of the present invention 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。9 is a view showing a mode of fixing the plate device of FIG. 8. FIG.
【図１０】図８のプレート装置を固定する態様を示す図
である。FIG. 10 is a view showing a mode of fixing the plate device of FIG.
【図１１】図８のプレート装置を固定した状態を示す図
である。FIG. 11 is a view showing a state where the plate device of FIG. 8 is fixed.
【図１２】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. 12 is a view showing a state in which a conventional spine correction plate device is temporarily fixed.
【図１３】図１２のプレート装置を固定する態様を示す
図である。FIG. 13 is a view showing a mode of fixing the plate device of FIG.
【図１４】図１２のプレート装置を固定した状態を示す
図である。FIG. 14 is a view showing a state where the plate device of FIG. 12 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 20,50 仮止用ボルト 21,41,51 軸部 22,52 ヘッド部 ３０ ナット ４０ 固定用ボルト 1 (For spine correction) Plate device 10 Plate 11 Small protrusion 12 Opening hole 20,50 Temporary fixing bolt 21,41,51 Shaft part 22,52 Head part 30 Nut 40 Fixing bolt
Claims (2)
を、該開孔に挿通する軸部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、 上記ボルトは、軸部の一方端側に、着脱自在な大径のヘ
ッド部を有してい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 are temporarily fixed so as to face the left and right spinous processes by a bolt having a shaft portion inserted into the openings and a nut fitted with the bolt. A device for fixing a spinous spinous process by screwing the pair of plates together, wherein the bolt has a detachable large-diameter head portion on one end side of the shaft portion. A plate device for orthodontic spine characterized by:
を、該開孔を挿通する軸部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、 上記ボルトは、軸部の一方端側に、上記プレートの開孔
を挿通できる形状であって、先端側がフック状となった
ヘッド部を有していることを特徴とする脊椎矯正用プレ
ート装置。2. A pair of plates having a plurality of openings are temporarily fixed so as to face the left and right spinous processes by a bolt having a shaft portion that inserts the openings and a nut that fits the bolt. A device for fixing the spinous spinous processes by screwing the pair of plates together, wherein the bolt has a shape that allows an opening of the plate to be inserted into one end side of the shaft portion; A spine correction plate device having a head portion whose side is hook-shaped.
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 true JPH0737112U (en) | 1995-07-11 |
| JP2606035Y2 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 (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000510017A (en) * | 1996-05-10 | 2000-08-08 | ジェイ． メドフ，ロバート | Transplant material restraint |
| JP2008532731A (en) * | 2005-03-21 | 2008-08-21 | セント フランシス メディカル テクノロジーズ インコーポレイテッド | Interspinous process implant with threaded wing |
| EP2275047A2 (en) * | 2002-05-17 | 2011-01-19 | Warsaw Orthopedic, Inc. | Device for fixation of spinous processes |
| US20160113687A1 (en) * | 2007-01-11 | 2016-04-28 | Lanx, Inc. | Spinous process implants and associated methods |
| US9743960B2 (en) | 2007-01-11 | 2017-08-29 | Zimmer Biomet Spine, Inc. | Interspinous implants and methods |
| US9770271B2 (en) | 2005-10-25 | 2017-09-26 | Zimmer Biomet Spine, Inc. | Spinal implants and methods |
| US9861400B2 (en) | 2007-01-11 | 2018-01-09 | Zimmer Biomet Spine, Inc. | Spinous process implants 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 (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000510017A (en) * | 1996-05-10 | 2000-08-08 | ジェイ． メドフ，ロバート | Transplant material restraint |
| EP2275047A2 (en) * | 2002-05-17 | 2011-01-19 | Warsaw Orthopedic, Inc. | Device for fixation of spinous processes |
| JP2008532731A (en) * | 2005-03-21 | 2008-08-21 | セント フランシス メディカル テクノロジーズ インコーポレイテッド | Interspinous process implant with threaded wing |
| US9770271B2 (en) | 2005-10-25 | 2017-09-26 | Zimmer Biomet Spine, Inc. | Spinal implants and methods |
| US20160113687A1 (en) * | 2007-01-11 | 2016-04-28 | Lanx, Inc. | Spinous process implants and associated methods |
| US9724136B2 (en) * | 2007-01-11 | 2017-08-08 | Zimmer Biomet Spine, Inc. | Spinous process implants and associated methods |
| US9743960B2 (en) | 2007-01-11 | 2017-08-29 | Zimmer Biomet Spine, Inc. | Interspinous implants and methods |
| US9861400B2 (en) | 2007-01-11 | 2018-01-09 | Zimmer Biomet Spine, Inc. | Spinous process implants and associated methods |
| US11812923B2 (en) | 2011-10-07 | 2023-11-14 | Alan Villavicencio | Spinal fixation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2606035Y2 (en) | 2000-09-11 |
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