CN113271868A - 具有生物近端端部的缝合锚固件 - Google Patents
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Abstract
一种用于组织修复的缝合锚固件,其具有近端区段和主区段,其中近端区段和主区段由不同的材料形成。仅近端区段由诸如人体皮质骨的生物材料形成。近端区段占锚固件本体的约三分之一。
Description
技术领域
本发明涉及一种用于将缝合线锚固到骨骼中的缝合锚固件。
背景技术
当软组织从骨骼撕下时,重新附着变得必要。各种装置,包括单独缝合线、螺钉、肘钉、楔形件和栓塞已用于将软组织固定到骨骼。为此目的,已经开发了各种类型的螺纹缝合锚固件。然而,需要一种缝合锚固件,当其安装在骨骼孔中时,其具有改善的接合性和拉出强度。
发明内容
因此,本发明提供了一种用于组织修复的缝线锚固件,其具有空心锚固件本体,该空心锚固件本体具有近端端部和远端端部以及介于近端端部和远端端部之间的***长度。空心锚固件本体包括近端区段和主区段。近端区段远离远端端部并且终止于空心锚固件本体的近端端部处,而主区段终止于空心锚固件本体的远端端部处。近端区段和主区段由不同的材料形成。优选地,近端区段由生物材料,诸如人体皮质骨形成。
在一些实施例中,近端区段仅为空心锚固件本体的***长度的大约三分之一;主区段由生物相容性材料形成,诸如生物可吸收材料、生物复合材料、PLLA或非吸收性PEEK。主区段包括靠近远端端部的向内渐细部分;空心锚固件本体具有向外延伸螺纹;和/或空心锚固件本体包括适于接收***件的内孔。
近端端部优选地被构造为与***件配连,并且远端端部被构造为与植入物协作以用于锚固缝合。
附图说明
图1是根据本发明的示例性实施例的缝合锚固件的透视图,示出了与两种不同类型的植入物一起使用的缝合锚固件;
图2是图1所示的缝合锚固件的透视图;
图3A是图1所示的缝合锚固件的侧视图;
图3B是图3A所示的缝合锚固件的侧视横截面图;
图4是图1所示的缝合锚固件的视图,示出了***骨孔中的缝合锚固件;和
图5是类似于图4的缝合锚固件的视图,示出了安装在骨孔中的缝合锚固件。
具体实施方式
参照附图,本发明总体上涉及一种缝合锚固件100,该缝合锚固件100可以具有由人体皮质骨形成的部分以最大程度地获得骨孔和拉出强度。图1示出了根据本发明的示例性实施例的缝合锚固件100,该缝合锚固件100被接收在驱动器或***器装置10上,该驱动器或***器装置10具有协作植入物12以用于***骨孔90(图4)中以进行缝合锚固。
缝合锚固件100通常包括空心锚固件本体102,其具有用于接收***器装置10的内孔104以及外部骨骼夹持构件,诸如螺纹106,在优选实施例中,类似于在美国共有专利第8,663,279号中公开的缝合锚固件。但是,本发明可以结合在任何缝合锚固件中。
锚固件本体102具有被构造为与***器装置10(图1和图4)配连的近端端部110以及相反的远端端部112,该远端端部112是锚固件100的首先被***骨孔90(图4)中以安装锚固件100的端部。如图3A所示,锚固件本体102具有限定在近端端部110与远端端部112之间的***长度L。锚固件本体102优选地具有两个区段,近端区段120和主区段122,其中区段120和122由彼此不同的材料形成,如图3B所示。
近端区段120远离锚固件本体102的远端端部112并终止于在近端端部110处。主区段122终止于在远端端部112处。在优选实施例中,近端区段120仅占据锚固件本体102的约三分之一,即近端区段120的长度仅为本体的***长度L的约三分之一。近端区段120由诸如人体皮质骨的生物材料形成以当***骨孔时有助于锚固件的骨整合并为覆接区(footprint)提供增加的接触面积以治愈伤口。在优选实施例中,仅近端区段120由人体皮质骨形成。
主区段122可由除人体皮质骨以外的任何生物相容性材料形成,诸如生物可吸收材料、生物复合材料、PLLA和不可吸收性PEEK或钛材料。锚固件本体102的主区段122的主要直径可以大致恒定,但是可以具有锥形部分124,该锥形部分124通常向内渐细至锚固件本体102的远端端部112处的狭窄端,如图3A和图3B最佳所示,以有助于于***骨孔90中。骨孔90可以被预先钻孔并被预切割以接收锚固件100。可替代地,锚固件100,特别是远端端部112和主区段122可以是自穿孔的和/或自攻的。因为锚固件本体102通常是圆柱形的,所以***器10将锚固件本体102的近端区段120和主区段保持在一起,使得它们利用对准的螺距彼此抵靠,使得两个区段120和122可以彼此相邻得被驱动至骨孔中。
如图4和5所示,锚固件100,并且特别是锚固件本体102的远端端部112,与植入物12协作以与类似于美国专利8,663,279中所述的方式将缝合线16锚固在骨孔90中。如图4所示,首先使用***器10将植入物12(支撑缝合线16)安装到骨孔90中。然后,可以通过***器10和/或其相关联的驱动器将缝合锚固件100驱动到骨孔90中,直到锚固件本体102的远端端部112与植入物12配接为止,如图5所示。如此,***器10保持锚固件本体102的近端区段120和主区段122,使得它们以其对准的螺距彼此抵靠,从而使两个区段120和122可以彼此相邻得被驱动到骨孔中。锚固件本体102的近端区段120与骨孔90的肱骨皮质骨层92接合。由于锚固件的近端区段120由诸如人体皮质骨的生物材料形成,因此锚固件100与锚固件100之间的接合由于皮质骨层92和锚固件的近端区段120之间的骨整合而得以改善。诸如皮质骨的生物材料可以有利地芯吸患者的骨髓元素,并且也可以浸泡作为生物传递装置。这些特征和优点继而提高了锚固件100的拉出强度。
应该理解的是,以上使用的术语例如“侧向”,“中间”,“远端”,“近端”,“上”和“下”与本领域中使用这些术语的方式一致。此外,这些术语在本文中已经用于解释的目的,并且不应被视为另外的限制。诸如“通常”,“基本上”和“约”之类的术语并非旨在成为无边界的术语,并且应当与本领域技术人员将解释这些术语的方式相一致地进行解释。
尽管不同的实例具有图示中所示的特定组件,但是本公开的实施例不限于那些特定的组合。可以将一个实例中的某些组件或特征与另一实例的特征或组件结合使用。
本领域普通技术人员将理解,上述实施例是示例性而非限制性的。也就是说,本公开的修改将落入权利要求的范围内。因此,应研究所附权利要求以确定其真实范围和内容。
Claims (19)
1.一种用于组织修复的缝合锚固件,包括:
空心锚固件本体,其具有近端端部和远端端部以及限定于所述近端端部和远端端部之间的***长度,所述空心锚固件本体包括近端区段和主区段,所述近端区段远离所述远端端部并且终止于所述空心锚固件本体的所述近端端部处,并且所述主区段终止于所述空心锚固件本体的所述远端端部处,
其中,所述近端区段和主区段由不同的材料形成,并且只有所述近端区段由生物材料形成。
2.根据权利要求1所述的缝合锚固件,其中,所述近端区段仅为所述空心锚固件本体的所述***长度的约三分之一。
3.根据权利要求1所述的缝合锚固件,其中,所述近端区段由人体皮质骨形成。
4.根据权利要求1所述的缝合锚固件,其中,所述主区段由生物相容性材料形成。
5.根据权利要求1所述的缝合锚固件,其中,所述主区段在所述远端端部附近处包括向内渐细部分。
6.根据权利要求1所述的缝合锚固件,其中,所述空心锚固件本体具有向外延伸螺纹。
7.根据权利要求1所述的缝合锚固件,其中,所述空心锚固件本体包括适于接收***器的内孔。
8.一种用于组织修复的缝合锚固件,包括:
空心锚固件本体,具有近端端部和远端端部以及限定在所述近端端部和所述远端端部之间的***长度,所述近端端部被构造为与***器配接并且所述远端端部被构造为与植入物协作以用于缝合锚固,所述空心锚固件本体包括近端区段和主区段,所述近端区段远离所述空心锚固件本体的所述远端端部并终止于所述近端端部处,并且所述主区段终止于所述空心锚固件本体的所述远端端部处,所述主区段在所述远端端部处具有向内渐细部分,
其中,所述近端区段和所述主区段由不同材料形成,并且仅所述近端区段由生物材料形成。
9.根据权利要求8所述的缝合锚固件,其中,所述近端区段仅为所述空心锚固件本体的所述***长度的约三分之一。
10.根据权利要求8所述的缝合锚固件,其中,所述近端区段由人体皮质骨形成。
11.根据权利要求8所述的缝合锚固件,其中,所述主区段由生物相容性材料形成。
12.根据权利要求11所述的缝合锚固件,其中,所述主区段由生物可吸收材料、生物复合材料、PLLA或非吸收性PEEK形成。
13.根据权利要求9所述的缝合锚固件,其中所述空心锚固件本体具有向外延伸螺纹。
14.一种用于组织修复的缝合锚固件和***器,包括:
缝合锚固件,其包括:
空心锚固件本体,具有近端端部和远端端部以及限定在所述近端端部和所述远端端部之间的***长度,所述近端端部被构造为与***器配接并且所述远端端部被构造为与植入物协作以用于缝合锚固,所述空心锚固件本体包括近端区段和主区段,所述近端区段终止于远离所述远端端部的所述近端端部处并且所述主区段终止于所述远端端部处,所述近端区段的长度是所述空心锚固件本体的所述***长度的约三分之一,
其中,所述近端区段和所述主区段由不同的材料形成,并且仅所述近端区段由生物材料形成;以及
***器,其用于将所述缝合锚固件***骨骼中,所述***器将所述近端区段和所主区段保持在一起,使得所述近端区段和所述主区段以其对准得螺距彼此抵靠,从而将所述近端区段和所述主区段彼此相邻得驱动到骨孔中。
15.根据权利要求14所述的缝合锚固件和***器,其中,所述主区段由生物相容性材料形成。
16.根据权利要求14所述的缝合锚固件和***器,其中,所述近端区段由人体皮质骨形成。
17.根据权利要求14所述的缝合锚固件和***器,其中,所述主区段在所述远端端部附近包括向内渐细部分。
18.根据权利要求14所述的缝合锚固件和***器,其中,所述空心锚固件本体具有向外延伸螺纹。
19.根据权利要求14所述的缝合锚固件和***器,其中,所述缝合锚固件的远端端部和/或所述主区段是自穿孔的和/或自攻的以有助于所述锚固件的***。
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US16/138,172 | 2018-09-21 | ||
US16/138,172 US10888311B2 (en) | 2018-09-21 | 2018-09-21 | Suture anchor with biologic proximal end |
PCT/US2019/052104 WO2020061425A1 (en) | 2018-09-21 | 2019-09-20 | Suture anchor with biologic proximal end |
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EP (1) | EP3852648A1 (zh) |
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US20220338857A1 (en) * | 2021-04-27 | 2022-10-27 | Medos International Sarl | Knotless suture anchor system with suture management structure |
CN115192102A (zh) * | 2022-08-09 | 2022-10-18 | 杭州锐健马斯汀医疗器材有限公司 | 一种骨锚钉、骨锚钉植入装置及骨锚钉植入方法 |
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US5868749A (en) * | 1996-04-05 | 1999-02-09 | Reed; Thomas M. | Fixation devices |
WO2002087413A2 (en) * | 2001-04-30 | 2002-11-07 | Musculoskeletal Transplant Foundation | Suture anchor |
US20060229671A1 (en) * | 2005-04-08 | 2006-10-12 | Musculoskeletal Transplant Foundation | Suture anchor and suture anchor installation tool |
US20060247642A1 (en) * | 2004-11-09 | 2006-11-02 | Stone Kevin T | Tissue fixation device |
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US5061286A (en) * | 1989-08-18 | 1991-10-29 | Osteotech, Inc. | Osteoprosthetic implant |
US6517542B1 (en) | 1999-08-04 | 2003-02-11 | The Cleveland Clinic Foundation | Bone anchoring system |
US6916321B2 (en) * | 2001-09-28 | 2005-07-12 | Ethicon, Inc. | Self-tapping resorbable two-piece bone screw |
US6685728B2 (en) | 2002-01-25 | 2004-02-03 | Stryker Endoscopy | Threaded suture anchor and method of use |
US20080208253A1 (en) | 2006-05-18 | 2008-08-28 | Dreyfuss Peter J | Self-punching swivel anchor and method for knotless fixation of tissue |
US8702754B2 (en) | 2007-09-14 | 2014-04-22 | Depuy Mitek, Llc | Methods for anchoring suture to bone |
US8961561B2 (en) | 2010-08-25 | 2015-02-24 | Daniel S. Schulman | Surgical system including suture anchor and insertion device and method for using |
US9700297B2 (en) | 2013-02-22 | 2017-07-11 | Arthrex, Inc. | Laminated surgical device |
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2018
- 2018-09-21 US US16/138,172 patent/US10888311B2/en active Active
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2019
- 2019-09-20 CN CN201980071693.4A patent/CN113271868A/zh active Pending
- 2019-09-20 WO PCT/US2019/052104 patent/WO2020061425A1/en unknown
- 2019-09-20 EP EP19780505.4A patent/EP3852648A1/en active Pending
Patent Citations (4)
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US5868749A (en) * | 1996-04-05 | 1999-02-09 | Reed; Thomas M. | Fixation devices |
WO2002087413A2 (en) * | 2001-04-30 | 2002-11-07 | Musculoskeletal Transplant Foundation | Suture anchor |
US20060247642A1 (en) * | 2004-11-09 | 2006-11-02 | Stone Kevin T | Tissue fixation device |
US20060229671A1 (en) * | 2005-04-08 | 2006-10-12 | Musculoskeletal Transplant Foundation | Suture anchor and suture anchor installation tool |
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EP3852648A1 (en) | 2021-07-28 |
US20200093476A1 (en) | 2020-03-26 |
US10888311B2 (en) | 2021-01-12 |
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