JP5509098B2 - 骨治療システムおよび方法 - Google Patents
骨治療システムおよび方法 Download PDFInfo
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- JP5509098B2 JP5509098B2 JP2010548917A JP2010548917A JP5509098B2 JP 5509098 B2 JP5509098 B2 JP 5509098B2 JP 2010548917 A JP2010548917 A JP 2010548917A JP 2010548917 A JP2010548917 A JP 2010548917A JP 5509098 B2 JP5509098 B2 JP 5509098B2
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- bpo
- bone cement
- polymer particles
- cement
- component
- 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.)
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- Surgical Instruments (AREA)
Description
本出願は、2008年2月1日に出願した米国特許出願第12/024969号(代理人参照番号:DFINE.054A)の一部継続出願である。本出願はさらに、2008年2月28日に出願した「Bone System Treatment Systems and Methods」という名称の米国特許仮出願第61/067479号(代理人参照番号:DFINE.068PR)、2008年2月28日に出願した「Bone System Treatment Systems and Methods」という名称の米国特許仮出願第61/067480号(代理人参照番号:DFINE.069PR)、2008年4月16日に出願した「Bone Treatment Systems and Methods」という名称の米国特許仮出願第61/124336号(代理人参照番号:DFINE.077PR)、2008年8月28日に出願した「Bone Treatment Systems and Methods」という名称の米国特許仮出願第61/190375号(代理人参照番号:DFINE.078PR)、および2008年4月16日に出願した「Bone Treatment Devices and Methods」という名称の米国特許仮出願第61/124338号(代理人参照番号:DFINE.074PR)の、米国特許法第119(e)条に基づく優先権の利益を主張するものであり、これらのいずれもの内容全体を参照により本明細書に組み込み、本明細書の一部と見なすべきである。
100 第1の構成要素、骨セメント注入器、注入器システム
105 第2の構成要素、セメント活性化構成要素、ハンドル部分
110 エミッタ
112 流れ流通路、チャネル、流れチャネル、流通路
113 ねじ部分
114 回転可能なねじ式取付具
115 シリンジ型の本体、シリンジ、骨セメント供給源
116 ねじ取付具
118 近位端
120 遠位端
122 流れの出口、注入器出口
124 延長部分
125 軸
130 骨セメント、骨セメントシステム、骨治療システム
132 チャンバ
140 電源、エネルギー源
145 コントローラ、コントローラアセンブリ
146 電気コネクタ
148 ケーブル
149a 導線
149b 導線
150 壁部分
155A 表面電極
155B 表面電極
162 油圧システム
163 取付具
164 取付具
165 セメント保持孔、セメント保持チャンバ、チャンバ
175 剛性プランジャ、アクチュエータ部材
176 Oリング、ゴムヘッド
180 加力および増幅構成要素
185 孔、チャンバ、加圧可能なチャンバ
186 近位端
187 Oリング、ガスケット
188 流動媒体
190 圧力機構、圧力
200 境界面
200’ 境界面
205 空気圧系または油圧系
210 シリンジポンプ、加圧機構、圧力源
211 電気モータ、モータ駆動システム
212 リモートスイッチ、作動スイッチ
214 ケーブル
240 時間−粘度曲線
250 時間−粘度曲線
260 修正された時間−粘度曲線、時間−粘度応答
270 センサ
272 温度センサ
275 混合デバイス、混合アセンブリ、セメント混合アセンブリ
276 温度センサ
280 包装
285 センサ、スイッチ、表示機構
288 センサ、スイッチ、表示機構
290 センサ
400 骨セメントシステム
405 粒子
410 第2のエミッタ
414a 電気コネクタ構成要素
414b 電気コネクタ構成要素
416 電線
700 第1のポリマービーズ、粒子、第1の体積のポリマービーズ、
704A BPO
704B BPO
704C BPO粒子
705 第2のポリマービーズ、粒子、第2の体積のポリマービーズ
706 BPOの粒子
708 ポリマー粒子
710 ポリマー粒子
712 マイクロカプセル化されたBPO
714A 表層、表面のBPO層、BPO表面被覆
714B BPO層、内部のBPO層、内部層
716 ポリマー粒子
720 ポリマー粉末、粒子
722 BPO粒子
750 BPO利用可能率曲線
755A 領域
755B 領域
800 曲線
805A 第1の間隔
805B 第2の間隔
806 BPO利用可能率曲線
810 BPO利用可能率曲線
815A 第1の間隔
815B 第2の間隔
815C 第3の間隔
820 PMMA材料
820A PMMA層
820B PMMA材料
822 BPO粒子
824 PMMA材料
840 時間−粘度曲線
Claims (19)
- 骨セメント組成物であって、
メチルメタクリレート(MMA)を含むモノマー成分と、
ポリメチルメタクリレートポリマー(PMMA)を含むポリマー成分と、を含み、
前記ポリマー成分が、
平均直径が100μm以下である第1の体積のポリマー粒子であって、当該第1の体積のポリマー粒子が、第1のポリマー粒子の全重量に対して、0.9から1.1重量%の過酸化ベンゾイル(BPO)を含む、第1の体積のポリマー粒子と、
平均直径が100μm未満である第2の体積のポリマー粒子であって、当該第2の体積のポリマー粒子が、第2のポリマー粒子の全重量に対して、1.1から1.3重量%のBPOを含む、第2の体積のポリマー粒子と、
平均直径が100μm未満である第3の体積のポリマー粒子であって、当該第3の体積のポリマー粒子が、第3のポリマー粒子の全重量に対して、0.0重量%から0.1重量%のBPOを含む、第3の体積のポリマー粒子と、
を含み、
前記BPOが、前記ポリマー粒子に組み込まれたBPO粒子として提供され、前記ポリマー成分が、当該骨セメント組成物の重合中に時間の関数として前記モノマー成分に曝露されるBPOの量を制御することを特徴とする骨セメント組成物。 - 前記第1の体積のポリマー粒子が、150,000〜350,000の分子量をもつことを特徴とする請求項1に記載の骨セメント組成物。
- 前記第2の体積のポリマー粒子が、300,000〜500,000の分子量をもつことを特徴とする請求項1または2に記載の骨セメント組成物。
- 前記第3の体積のポリマー粒子が、250,000〜450,000の分子量をもつことを特徴とする請求項1から3のいずれか1項に記載の骨セメント組成物。
- 前記第1の体積のポリマー粒子が、100μm〜120μmの平均直径を有することを特徴とする請求項1から4のいずれか1項に記載の骨セメント組成物。
- 前記第2の体積のポリマー粒子が、70μm〜90μmの平均直径を有することを特徴とする請求項1から5のいずれか1項に記載の骨セメント組成物。
- 前記第3の体積のポリマー粒子が、前記ポリマー成分の全重量に対して、10%〜30%であることを特徴とする請求項1から6のいずれか1項に記載の骨セメント組成物。
- 前記第3の体積の粒子が、BPOを含まないことを特徴とする請求項1から7のいずれか1項に記載の骨セメント組成物。
- 骨セメント組成物を調製する方法であって、
液体成分と非液体成分とを混合して、重合可能な骨セメント組成物を知供する段階を含み、
前記液体成分が、少なくとも1つのモノマーを含み、
前記非液体成分が、過酸化ベンゾイル(BPO)を含む複数のポリマー粒子を含み、
前記複数のポリマー粒子が、
平均直径が100μm以下である第1の体積のポリマー粒子であって、当該第1の体積のポリマー粒子が、第1のポリマー粒子の全重量に対して、0.9から1.1重量%のBPOを含む、第1の体積のポリマー粒子と、
平均直径が100未満である第2の体積のポリマー粒子であって、当該第2の体積のポリマー粒子が、第2のポリマー粒子の全重量に対して、1.1から1.3重量%のBPOを含む、第2の体積のポリマー粒子と、
平均直径が100未満である第3の体積のポリマー粒子であって、当該第3の体積のポリマー粒子が、第3のポリマー粒子の全重量に対して、0.0重量%から0.1重量%のBPOを含む、第3の体積のポリマー粒子と、
を含み、
前記非液体成分が、前記骨セメント組成物の重合中に時間の関数として前記液体成分に曝露されるBPOの量を制御するように構成されており、
前記骨セメント組成物が、
ポリメチルメタクリレートポリマー(PMMA)を含む粉末成分と、
メチルメタクリレート(MMA)を含む液体成分と、
を含むことを特徴とする方法。 - 粉末成分であって、
45重量%〜55重量%のPMMAと、
55重量%〜45重量%の二酸化ジルコニウムまたは硫酸バリウムと、
過酸化ベンゾイル(BPO)と、
を含み、
当該粉末成分の量が、当該粉末成分の全重量に対してのものである、粉末成分と、
前記液体成分であって、
98.0重量%〜99.9重量%のMMAと、
0.15重量%〜0.95重量%のN,N−ジメチル−p−トルイジン(DMPT)と、
30ppm〜150ppmのヒドロキノン(HQ)と、
を含み、
当該液体成分の量が、当該液体成分の全重量に対してのものである、液体成分と、
を含むことを特徴とする請求項9に記載の方法。 - 前記第1の体積の粒子が、100μm〜120μmの平均直径を有することを特徴とする請求項9または10に記載の方法。
- 前記第2の体積の粒子が、70μm〜90μmの平均直径を有することを特徴とする請求項9から11のいずれか1項に記載の方法。
- 前記第1の体積のポリマーが、前記ポリマー粒子の全重量に対して前記ポリマー粒子の40%〜50%であることを特徴とする請求項9から12のいずれか1項に記載の方法。
- 前記第2の体積の粒子が、前記ポリマー粒子の全重量に対して前記ポリマー粒子の30%〜40%であることを特徴とする請求項9から13のいずれか1項に記載の方法。
- 前記第3の体積の粒子が、前記ポリマー粒子の全重量に対して前記ポリマー粒子の10%〜30%であることを特徴とする請求項9から14のいずれか1項に記載の方法。
- 前記BPOは、前記ポリマー粒子がBPOからなる少なくとも1つの層を含むよう構成され、このものにおいて、前記BPOは、前記ポリマー粒子の外面の少なくとも一部の上に存在する表層として構成されるか、または、前記BPOは、前記ポリマー粒子の内部に存在する層として構成されることを特徴とする請求項1から7のいずれか1項に記載の骨セメント組成物。
- 前記BPOは、前記ポリマー粒子がマイクロカプセル化されたBPOを含むよう構成され、このものにおいて、前記マイクロカプセル化されたBPOの少なくとも一部は、前記ポリマー粒子に組み込まれ、かつ、前記マイクロカプセル化されたBPOの少なくとも一部は、前記ポリマー粒子に組み込まれないことを特徴とする請求項1から7のいずれか1項に記載の骨セメント組成物。
- 前記BPOは、前記ポリマー粒子がBPOからなる少なくとも1つの層を含むよう構成され、このものにおいて、前記BPOは、前記ポリマー粒子の外面の少なくとも一部の上に存在する表層として構成されるか、または、前記BPOは、前記ポリマー粒子の内部に存在する層として構成されることを特徴とする請求項9から14のいずれか1項に記載の方法。
- 前記BPOは、前記ポリマー粒子がマイクロカプセル化されたBPOを含むよう構成され、このものにおいて、前記マイクロカプセル化されたBPOの少なくとも一部は、前記ポリマー粒子に組み込まれ、かつ、前記マイクロカプセル化されたBPOの少なくとも一部は、前記ポリマー粒子に組み込まれないことを特徴とする請求項9から14のいずれか1項に記載の方法。
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JP (1) | JP5509098B2 (ja) |
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EP2810664A1 (en) | 2014-12-10 |
WO2009108893A3 (en) | 2010-06-03 |
EP2810664B1 (en) | 2019-05-29 |
US20090247664A1 (en) | 2009-10-01 |
US9216195B2 (en) | 2015-12-22 |
ES2483996T3 (es) | 2014-08-08 |
EP2252336B1 (en) | 2014-06-25 |
US20160058906A1 (en) | 2016-03-03 |
US9821085B2 (en) | 2017-11-21 |
US8487021B2 (en) | 2013-07-16 |
EP2252336A2 (en) | 2010-11-24 |
JP2011514818A (ja) | 2011-05-12 |
HK1205005A1 (en) | 2015-12-11 |
US20140031450A1 (en) | 2014-01-30 |
WO2009108893A2 (en) | 2009-09-03 |
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