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1. 发明授权

US11497538B2 Woven or braided tubular metal construct 有权
公开(公告)号：US11497538B2
公开(公告)日：2022-11-15
申请号：US16069643
申请日：2017-01-20
申请人： FORT WAYNE METALS RESEARCH PRODUCTS CORP
发明人： Robert A. Mitchell , Mark Michael
IPC分类号： A61B17/82 , A61F2/90 , D04C1/02 , D04C1/06 , A61L31/02 , A61L31/14 , D03D1/00 , D02G3/12 , A61B17/84 , D03D15/25 , A61F2/08 , D03D3/02 , A61B17/00
摘要： Multi-filament microcables are used in place of the traditional monofilament wires as the constituent elements of a woven or braided band. This enhances the function and manufacturability of such bands for various applications, such as orthopaedic applications including sternotomy closures.

2. 发明申请

US20190015142A1 WOVEN OR BRAIDED TUBULAR METAL CONSTRUCT 审中-公开
公开(公告)号：US20190015142A1
公开(公告)日：2019-01-17
申请号：US16069643
申请日：2017-01-20
申请人： FORT WAYNE METALS RESEARCH PRODUCTS CORP
发明人： Robert A. Mitchell , Mark Michael
IPC分类号： A61B17/82 , D04C1/06 , D04C1/02 , D03D3/02 , D03D15/00 , A61F2/08 , A61F2/90 , A61L31/02 , A61L31/14
摘要： Multi-filament microcables are used in place of the traditional monofilament wires as the constituent elements of a woven or braided band. This enhances the function and manufacturability of such bands for various applications, such as orthopaedic applications including sternotomy closures.

3. 发明申请

US20170360998A1 BIODEGRADABLE ALLOY WIRE FOR MEDICAL DEVICES 审中-公开
公开(公告)号：US20170360998A1
公开(公告)日：2017-12-21
申请号：US15635438
申请日：2017-06-28
申请人： FORT WAYNE METALS RESEARCH PRODUCTS CORP
发明人： Jeremy E. Schaffer
IPC分类号： A61L31/14 , C22C38/12 , A61F2/86 , A61L31/02 , C21D6/00 , C22C38/04 , C22C38/00 , C21D9/52 , C21D8/06 , C22C38/18 , A61L31/08 , C21D1/30
CPC分类号： A61L31/148 , A61F2/86 , A61F2240/001 , A61L31/022 , A61L31/088 , A61L31/143 , C21D1/30 , C21D6/002 , C21D6/005 , C21D8/065 , C21D9/52 , C21D9/525 , C22C38/001 , C22C38/04 , C22C38/12 , C22C38/18 , Y10T29/49934 , Y10T428/12 , Y10T428/12729
摘要： A bioabsorbable wire material includes manganese (Mn) and iron (Fe). One or more additional constituent materials (X) are added to control corrosion in an in vivo environment and, in particular, to prevent and/or substantially reduce the potential for pitting corrosion. For example, the (X) element in the Fe—Mn—X system may include nitrogen (N), molybdenum (Mo) or chromium (Cr), or a combination of these. This promotes controlled degradation of the wire material, such that a high percentage loss of material the overall material mass and volume may occur without fracture of the wire material into multiple wire fragments. In some embodiments, the wire material may have retained cold work for enhanced strength, such as for medical applications. In some applications, the wire material may be a fine wire suitable for use in resorbable in vivo structures such as stents.

4. 发明申请

US20170119936A1 BIODEGRADABLE WIRE WITH CENTRAL FILAMENT 审中-公开
公开(公告)号：US20170119936A1
公开(公告)日：2017-05-04
申请号：US15318350
申请日：2015-06-12
申请人： FORT WAYNE METALS RESEARCH PRODUCTS CORP
发明人： Jeremy E. Schaffer , Adam J. Griebel
IPC分类号： A61L31/10 , A61B17/06 , A61F2/01 , A61L31/02 , A61F2/86
CPC分类号： A61L31/10 , A61B17/06166 , A61B17/064 , A61B2017/00004 , A61F2/01 , A61F2/86 , A61F2002/016 , A61F2210/0004 , A61F2250/003 , A61L17/12 , A61L31/022 , A61L31/148 , C08L67/04
摘要： A composite wire product includes a biodegradable parent material which forms the bulk of the cross-sectional area of the wire, and a central fiber or filament of a slower-degrading or non-biodegradable material runs throughout the length of the wire. This central filament promotes the mechanical integrity of an intraluminal appliance or other medical device made from the wire product throughout the biodegradation process by preventing non-absorbed parent material from dislodging from the central filament. Thus, the present wire design enables the creation of medical devices that are designed to improve in flexibility toward a more natural state over the course of healing, while also controlling for the possibility of non-uniform in vivo erosion.

5. 发明授权

US11111571B2 Ni-free beta Ti alloys with shape memory and super-elastic properties 有权
公开(公告)号：US11111571B2
公开(公告)日：2021-09-07
申请号：US16349498
申请日：2016-11-14
申请人： Fort Wayne Metals Research Products Corp
发明人： Song Cai , Jeremy E. Schaffer , Adam J. Griebel
IPC分类号： C22C14/00 , C22F1/00 , A61L31/02 , C22F1/18 , A61L31/14 , C22C27/00
摘要： A group of substantially nickel-free beta-titanium alloys have shape memory and super-elastic properties suitable for, e.g., medical device applications. In particular, the present disclosure provides a titanium-based group of alloys including 16-20 at. % of hafnium, zirconium or a mixture thereof, 8-17 at. % niobium, and 0.25-6 at. % tin. This alloy group exhibits recoverable strains of at least 3.5% after axial, bending or torsional deformation. In some instances, the alloys have a capability to recover of more than 5% deformation strain. Niobium and tin are provided in the alloy to control beta phase stability, which enhances the ability of the materials to exhibit shape memory or super-elastic properties at a desired application temperature (e.g., body temperature). Hafnium and/or zirconium may be interchangeably added to increase the radiopacity of the material, and also contribute to the superelasticity of the material.

6. 发明申请

US20190292640A1 NI-FREE BETA TI ALLOYS WITH SHAPE MEMORY AND SUPER-ELASTIC PROPERTIES 审中-公开
公开(公告)号：US20190292640A1
公开(公告)日：2019-09-26
申请号：US16349498
申请日：2016-11-14
申请人： Fort Wayne Metals Research Products Corp
发明人： Song Cai , Jeremy E. Schaffer , Adam J. Griebel
IPC分类号： C22F1/00 , C22F1/18 , C22C14/00 , A61L31/02
摘要： A group of substantially nickel-free beta-titanium alloys have shape memory and super-elastic properties suitable for, e.g., medical device applications. In particular, the present disclosure provides a titanium-based group of alloys including 16-20 at. % of hafnium, zirconium or a mixture thereof, 8-17 at. % niobium, and 0.25-6 at. % tin. This alloy group exhibits recoverable strains of at least 3.5% after axial, bending or torsional deformation. In some instances, the alloys have a capability to recover of more than 5% deformation strain. Niobium and tin are provided in the alloy to control beta phase stability, which enhances the ability of the materials to exhibit shape memory or super-elastic properties at a desired application temperature (e.g., body temperature). Hafnium and/or zirconium may be interchangeably added to increase the radiopacity of the material, and also contribute to the superelasticity of the material.

7. 发明申请

US20160151610A1 TITANIUM-NIOBIUM-HAFNIUM ALLOY SHAPE MEMORY WIRE 审中-公开
标题翻译：钛 - 铌 - 铌合金形状记忆线
公开(公告)号：US20160151610A1
公开(公告)日：2016-06-02
申请号：US14889101
申请日：2014-05-06
申请人： FORT WAYNE METALS RESEARCH PRODUCTS CORP.
发明人： Jeremy E. SCHAFFER
IPC分类号： A61M25/09 , C22F1/00 , C21D9/52 , A61L31/02 , C22C14/00 , C21D8/06 , A61F2/86 , C22F1/18 , C21D1/26
CPC分类号： A61M25/09 , A61F2/86 , A61F2210/0014 , A61L31/022 , A61L31/14 , A61L2400/16 , A61M2025/09141 , C21D1/26 , C21D8/06 , C21D9/525 , C21D2201/01 , C22C14/00 , C22C30/00 , C22F1/006 , C22F1/183
摘要： Ti—Nb—Hf/Zr—(Cr) alloy shape-memory wires are provided which are suitable for use in medical devices and actuators, and methods for manufacturing such wires are provided. The present shape-memory Ti—Nb—Hf/Zr—(Cr) alloy is a superelastic wire material particularly suited for in vivo applications. For example, the present Ti—Nb—Hf/Zr—(Cr) alloy wire is radiopaque, thereby enabling surgical use of a monolithic, shape-memory alloy wire while preserving the ability to monitor the in vivo location of the wire through X-ray or other radiation-based imaging systems. In addition, the present Ti—Nb—Hf/Zr—(Cr) alloy can be manufactured to exhibit shape-memory alloy material properties without the use of nickel as an alloy constituent, thereby accommodating nickel-sensitive patients. The present Ti—Nb—Hf/Zr—(Cr) alloy can also be processed to exhibit a martensite/austenite transformation temperature near body-temperature, i.e., 37° C., so that shape-memory effects can be utilized to accomplish work in vivo.
摘要翻译：提供适用于医疗器械和致动器的Ti-Nb-Hf / Zr-（Cr）合金形状记忆线，以及制造这种线的方法。本形状记忆Ti-Nb-Hf / Zr-（Cr）合金是特别适用于体内应用的超弹性线材。例如，本发明的Ti-Nb-Hf / Zr-（Cr）合金线是不透射线的，从而能够外部使用整体式的形状记忆合金丝，同时保持通过X射线监测线的体内位置的能力，射线或其他基于辐射的成像系统。此外，本发明的Ti-Nb-Hf / Zr-（Cr）合金可以制造成具有形状记忆合金材料性质，而不使用镍作为合金成分，从而容纳镍敏感的患者。现在的Ti-Nb-Hf / Zr（Cr）合金也可以加工成在体温附近呈现马氏体/奥氏体相变温度，即37℃，从而可以利用形状记忆效应来完成工作体内。

8. 发明申请

US20220033949A1 NICKEL-TITANIUM-YTTRIUM ALLOYS WITH REDUCED OXIDE INCLUSIONS 有权
公开(公告)号：US20220033949A1
公开(公告)日：2022-02-03
申请号：US17499521
申请日：2021-10-12
申请人： Fort Wayne Metals Research Products Corp
发明人： Song Cai , Jeremy E. Schaffer , Adam J. Griebel
IPC分类号： C22F1/10 , C22C19/05 , B21C1/02
摘要： A nickel-titanium alloy is made to be wholly or substantially free of titanium-rich oxide inclusions by including yttrium in an amount up to 0.15 wt. %, with the balance of the alloy being nickel and titanium in approximately equal proportion. For example, a NiTiY alloy may have a composition including, in weight percent based on total alloy weight: between 50 and 60 wt. % nickel; between 40 and 50 wt. % titanium; and between 0.01 and 0.15 wt. % yttrium. The resulting alloy is capable of being drawn into various forms, e.g., fine medical-grade wire, without exhibiting an unacceptable tendency to develop surface defects or to fracture or crack during cold drawing or forging. The resulting final forms exhibit favorable fatigue strength and fatigue-resistant characteristics.

9. 发明申请

US20210102335A1 SMALL DIAMETER CABLE 有权
公开(公告)号：US20210102335A1
公开(公告)日：2021-04-08
申请号：US16498142
申请日：2018-03-30
申请人： Fort Wayne Metals Research Products Corp
发明人： Robert A. Mitchell , Mark S. Michael
IPC分类号： D07B1/06 , A61B1/005 , A61B34/00 , A61B34/30
摘要： A wire cable construct including a plurality of strands each made of a plurality of wire filaments, the strands and wire filaments arranged in a 37×7 configuration of 37 strands of 7 wire filaments each, with the strands arranged in four layers including a first, central layer of a single strand, a second layer of six strands, a third layer of twelve strands and a fourth, outermost layer of eighteen strands. The cable may have a small diameter for use in medical device applications, and the strand and wire element configuration allows the cable to carry high axial loads, minimizes bending stress when the cable is routed around a tight turn such as a small pulley, and minimizes torsion in the cable due to axial loading.

10. 发明申请

US20160138148A1 BIODEGRADABLE WIRE FOR MEDICAL DEVICES 审中-公开
标题翻译：生物可治疗的医疗器械线
公开(公告)号：US20160138148A1
公开(公告)日：2016-05-19
申请号：US14895712
申请日：2014-06-06
申请人： FORT WAYNE METALS RESEARCH PRODUCTS CORP.
发明人： Jeremy E. Schaffer , Adam J. Griebel
IPC分类号： C22F1/06 , C21D9/52 , C22C23/00
CPC分类号： C22F1/06 , A61L31/022 , A61L31/148 , B32B15/01 , B32B15/013 , C21D9/525 , C22C23/00 , C22C23/02 , C22C23/04 , C22C23/06 , C22C38/02
摘要： A bioabsorbable material composition includes magnesium (Mg), lithium (Li) and calcium (Ca). Lithium is provided in a sufficient amount to enhance material ductility, while also being provided in a sufficiently low amount to maintain corrosion resistance at suitable levels. Calcium is provided in a sufficient amount to enhance mechanical strength and/or further influence the rate of corrosion, while also being provided in a sufficiently low amount to preserve material ductility. The resultant ductile base material may be cold-worked to enhance strength, such as for medical applications. In one application, the material may be drawn into a fine wire, which may be used to create resorbable structures for use in vivo such as stents.
摘要翻译：生物可吸收材料组合物包括镁（Mg），锂（Li）和钙（Ca）。提供足够量的锂以提高材料延展性，同时还提供足够低的量以将耐腐蚀性保持在合适的水平。提供足够量的钙以提高机械强度和/或进一步影响腐蚀速率，同时还以足够低的量提供钙以保持材料延展性。所得的延性基材可以被冷加工以增强强度，例如用于医疗应用。在一个应用中，材料可以被拉成细丝，其可以用于产生用于体内的可再吸收结构，例如支架。

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