ИЗГИБАЮЩАЯСЯ ПЛАСТИНА ДЛЯ КОСТИ

Изобретение относится к медицине. Имплантат для позвоночника в сборе содержит высший элемент имплантата и низший элемент имплантата. Высший элемент имплантата содержит вертикальный фланец и первый межпозвоночный элемент, проходящий от вертикального фланца. Высший элемент имплантата дополнительно образует отверстие, ограниченное первой и второй дугообразными граничными стенками, и отверстие, образованное в вертикальном фланце для приема блокирующего элемента. Низший элемент имплантата содержит часть фланца и второй межпозвоночный элемент, проходящий от части фланца. Второй межпозвоночный элемент дополнительно содержит вертикальную вкладку, которая образует по меньшей мере одну дугообразную поверхность и которая выполнена и имеет требуемые размеры для приема в отверстие высшего элемента имплантата, которое образовано первой и второй граничными стенками, которые принимают область лордоза, и затем могут быть заблокированы в выбранном положении лордоза. Изобретение обеспечивает возможность принятия ...

ПРОТЕЗ ДЛЯ ЧАСТИЧНОЙ ЗАМЕНЫ ТЕЛА ПОЗВОНКА

... 1. Протез для частичной замены тела позвонка, содержащий верхнюю присоединительную пластину (5) для соединения с верхним телом (1) позвонка, нижнюю присоединительную пластину (6) для соединения с нижним телом (2) позвонка и вставку (7), соединяющая верхнюю и нижнюю соединительные пластины (5, 6), при наличии по меньшей мере одного сустава (8), причем вставка предназначена для установки в по меньшей мере одном частично заменяемом теле (3) позвонка, находящемся между верхним и нижним телами (1, 2) позвонков, и имеет жесткие выступающие сбоку фиксирующие выступы (9, 11, 15, 32) для крепления на теле позвонка, отличающийся тем, что поперечное сечение вставки (7) имеет прямоугольную или сужающуюся в дорсальном направлении форму.2. Протез по п.1, отличающийся тем, что фиксирующие выступы выполнены в виде шероховатости.3. Протез по п.1, отличающийся тем, что вставка (7) имеет отверстия (12) или поры для вхождения костной ткани.4. Протез по п.3, отличающийся тем, что он содержит наполнитель в виде ...

ИЗГИБАЮЩАЯСЯ ПЛАСТИНА ДЛЯ КОСТИ

ПРОТЕЗНЫЙ НАПРАВИТЕЛЬ, СОДЕРЖАЩИЙ ПОДОБРАННЫЕ ДЛЯ ПАЦИЕНТА ОСОБЕННОСТИ

... 1. Хирургический направитель для выравнивания протезной чашки, включающий:первую поверхность, созданную таким образом, чтобы соответствовать протезной чашке;по меньшей мере одно отверстие в направителе в первой поверхности; ивыравнивающий механизм, имеющий контур, сформированный на основе данных, отображающих скелетные структуры пациента, при этом контур комплементарен части скелетных структур пациента в уникальной ориентации, которая выравнивает отверстие направителя по отношению к ткани, подходящей для удержания крепежного элемента.2. Направитель по п.1, отличающийся тем, что у направителя имеется опорное кольцо вдоль первой поверхности и при этом выравнивающий механизм соединен с опорным кольцом.3. Направитель по п.2, отличающийся тем, что у выравнивающего механизма есть рычаг с одним концом, соединенным с опорным кольцом направителя, и со вторым концом, соединенным с контуром.4. Направитель по п.3, отличающийся тем, что дополнительно включает множество выравнивающих механизмов.5. Направитель ...

WIRBELSÄULENIMPLANTAT

Wirbelzwischenstück mit schwenkbaren Endplatten

Endoprothese und Verwendung der Endoprothese

Endoprothese mit einem Grundkörper (12), der aus einem biokompatiblen Werkstoff besteht, wobei innerhalb des Grundkörpers (12) wenigstens ein Kanal (16, 18, 20) und wenigstens ein Hohlraum (14) angeordnet sind, dadurch gekennzeichnet, dass der mindestens eine Kanal (16, 18, 20) in einem der Außenfläche (12b) des Grundkörpers (12) nahegelegenen Bereich eine andere Oberflächengüte und/oder eine andere Volumenstruktur aufweist als der Rest des Kanals (16, 18, 20).

Spinal prostheses

Implant

JOINT PROSTHESIS

Enclosure device for bone replacement and method of manufacturing the same

An enclosure 16 comprising a contact portion 18 for contacting a selected area of bone in in use and at least one closure portion 20. The contact and closure portion together define a substantially enclosed volume, wherein a surface profile of the contact portion matches a surface of the selected area of bone. Such that when the enclosure device is placed on the bone, the contact portion forms an intimate engagement with the surface of the selected area of bone. The enclosure device is substantially hollow. The closure portion may comprise a lid separable from the contact portion. The attachment means comprise wone or more clips, pins, screws lugs, tabs or latches.

Implant

An implant 1 comprising a surface 32 engageable with a portion of at least one body part, preferably a bone 2, and attachable thereto be means of an adhesive that is preferably cured by means on an external energy source such as EM radiation, ultrasound energy or thermal energy; most preferably UV light. The implant 1 may also be provided with a conduit 4 through which the energy source may be introduced. A flange 30 extending around the periphery of the implant 1 and protruding towards the body is also taught. The flange 30 provides a stand-off between the surface 32 and the body when the implant 1 is in use, thereby controlling the thickness of adhesive in use. Also disclosed is a method of surgery comprising forming an implant 1, applying a layer of adhesive to a surface 32 of the implant 1 and engaging the surface 32 with a body part. It is also disclosed that the implant 1 may be shaped in accordance with data derived from the body part in 3D, preferably obtained using computer tomography ...

Foil structure

A foil structure 1 for covering graft material 54 in a bone graft site in a bone augmentation process comprises a perforated thin metal sheet 2, such as anodised titanium, provided with a coating layer 5 of a biocompatible polymer, preferably parylene, forming a non-adherent cell surface. The perforation through-holes have a diameter of 1 micrometer or less, allowing nutrients to pass but hindering the passage of pathogens. The coating 5 may comprise an active coating for release of a substance over time.

Intervertebral devices

The intervertebral fusion device (200) comprises a superior component (220), an inferior component (240) and a core component (260).The superior and inferior components (220, 240) are received in an intervertebral space between first and second vertebrae whereby the superior component top side abuts against the first vertebra, the inferior component bottom side abuts against the second vertebra, and the superior component bottom side and the inferior component top side oppose each other. A height of the intervertebral fusion device is determined upon insertion of the core component (260) between the superior and inferior components (220, 240). Each of the superior component top side and the inferior component bottom side is one of: oblong having a major axis; and square, being bounded by four edges. During insertion of the core component (260) a first core profile of the core component cooperates with a superior component profile at the superior component bottom side and a second core profile ...

Enclosure device for bone replacement and method of manufacturing the same

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

CEMENT-FREE HIP JOINT ENDOPROSTHESIS AS SURFACE REPLACEMENT OF THE PROXIMAL FEMURS

HÜFT AND SHOULDER JOINT ENDOPROSTHESIS

ARTICULATE-CASH IMPLANT SYSTEM

STENT FOR A BANDSCHEIBENANNULUS

APPARATUS FOR THE FUSION OF NEIGHBOURING ONES BONE STRUCTURES

SHOULDER PROSTHESIS WITH HUMERUS FRAKTURSCHAFT

IMPLANT FOR USING BETWEEN TWO EDDY BODIES OF THE SPINAL COLUMN

EXPAND-CASH INTERMEDIATE EDDY IMPLANT

EXPAND-CASH SPINAL COLUMN IMPLANT

BILATERAL LAMINOPLASTIE IMPLANTS

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

JOINT PAN PART OF A SHOULDER PROSTHESIS AND A SHOULDER TOTAL PROSTHESIS WITH SUCH A PART

Toe joint prosthesis and manufacturing method therefor

A toe joint prosthesis (100) and a manufacturing method therefor. The toe joint prosthesis (100) comprises: a first medullary nail prosthesis (1) and a second medullary nail prosthesis (2) articulated with the first medullary nail prosthesis (1). The first medullary nail prosthesis (1) comprises a first medullary nail (11) arranged in a medullary cavity, and a second medullary nail (12), connected to the first medullary nail (11), and located outside the medullary cavity. The second medullary nail (12) is articulated with the second medullary nail prosthesis (2). A three-dimensional porous structure layer (5) is formed on the outer surface of the first medullary nail (11) and/or the second medullary nail (12) and/or the second medullary nail prosthesis (2), so as to allow better bone infiltration ability and bone crawling ability on the outer surface of the toe joint prosthesis, such that the fixation of the toe joint prosthesis is more stable.

Bone augmentation piece, and kit consisting of a bone augmentation piece with an inserted (dental) implant

Method for modeling humeral anatomy and optimization of component design

Stemless components and fracture stems for joint arthroplasty, such as shoulder arthroplasty, are disclosed. Also, methods and devices are disclosed for the optimization of shoulder arthroplasty component design through the use of medical imag ing data, such as computed tomography scan data.

Implantable drug eluting device comprising a microporous structure

Implantable drug-eluting device (1) comprising a microporous structure (2) having regularly arranged pores (4, 5) in at least two different uniform sizes, and manufacturing method. The pores are configured for receiving a drug (9) and are being connected by interconnections (6, 7). Interconnections (6) originating from pores (4) of a first size have a first elution area and interconnections (7) originating from pores (5) of a second size have a second elution area. The interconnections convey the drug (9) to a surface of the device for elution to surrounding tissue. The ratio between the first and the second elution areas is predefined and selectable. The differently sized elution areas provide for different outflow rates. This allows for simple but reliable dispensing of drugs at positively controlled and well determined rates. Particularly, this enables a single implantable device to dispense drugs over preselectable durations of time, like short-term or long-term.

Orthopaedic fixation assembly, system, and method of use

An orthopaedic fixation assembly for prosthetic biologic attachment. The orthopaedic fixation assembly may include a main body with a longitudinally-extending stem having a proximal end, a distal end, and a cavity body. An anchor plug may be configured to be received within the stem cavity, and securable thereto via complementary mating surfaces. A spindle structure may be fixedly attached to the proximal end of the longitudinally-extending stem and protrude outwardly therefrom such that a portion of the structure extends externally beyond the resected cavity of the bone that may prevent rotational motion of the spindle. The spindle structure may have at least one compliant biasing member configured to apply a compressive force to the surrounding bone. A porous coating may be at the juncture between stem and spindle structure, on the spindle, and the splines and anti-rotation chocks, improving the initial stability of the implant and facilitating long-term bone ingrowth.

Expandable corpectomy spinal fusion cage

An intervertebral expandable spacer having a pair of co-axial annuluses locked together by an engagement member having i) a set screw and ii) a pressure plate having an outer face contacting the set screw and an inner face having teeth adapted to mate with the ratchet notches of the second member.

Method and apparatus for the treatment of the intervertebral disc annulus

INTERVERTEBRAL DISK PROSTHESIS

Spinal disc annulus reconstruction method and spinal disc annulus stent

Cco, C ?1 There is provided a method of treating a defect in the annulus fibrosus of an intervertebral disc. The method comprises providing a device delivery tool; providing a device, the device having a first anchor and a second anchor, said first and second anchors connected by at least one connecting member; and piercing the intervertebral disc with said device delivery tool at a first location. The first anchor is disposed into intervertebral disc tissue at the first location. The intervertebral disc is pierced with said device delivery tool at a second location at which the second anchor is disposed into intervertebral disc tissue. Tension is applied to one of said at least one said connecting members to foreshorten one of said at least one connecting members between the first and second anchors.

Implant for implanting in bone tissue or in bone tissue supplemented with bone substitute material

Spinal implant with fluid delivery capabilities

A spinal implant that allows for fluid injection of material is disclosed. The implant includes a fitting with a passage and holes that are in fluid communication with the passage. The holes extend through upper and lower surfaces and/or into a central cavity of the implant. The implant allows for material to be introduced into the implant after initial implantation thereof. Methods of implanting the implant are also disclosed. 20-8 12 /-10 "4 F I G 1 B FiG.1U ...

Method and device for ameliorating joint conditions and diseases

A device for ameliorating joint conditions and diseases comprising a) a first section comprising a joint-ward end, an opposing mating end, and a lateral wall, a peripheral column partially forming the lateral wall of the first section, a central column, and three or more than three struts extending between and connecting the peripheral column and the central column, and each strut thereby supporting the central column, the joint-ward end further comprising a plurality of fenestrations formed by a confluence of the peripheral column, the central column and two adjacent struts of the three or more than three struts, and first section further comprising a central aperture within and formed by the central column, and configured to mate with a driver, b) a second section comprising a mating end, an opposing leading end, and a lateral wall, the lateral wall of the second section comprising threads.

Intervertebral implant

Spinal disc annulus reconstruction method and spinal disc annulus stent

APPARATUS FOR FUSING ADJACENT BONE STRUCTURES

An apparatus for facilitating fusion of adjacent vertebral portions includes an implant member dimensioned for positioning between adjacent vertebral portions and defining a longitudinal axis. The implant member includes an outer member having an exterior wall defining an internal cavity and a clip receiving opening subtending a peripheral portion of the exterior wall, an inner member telescopically received within the internal cavity of the outer member to permit relative movement of the outer and inner members and a locking clip dimensioned for at least partial reception within the clip receiving opening of the outer member. The inner member includes an exterior wall defining an internal cavity and having a plurality of locking slots spaced along the longitudinal axis. The locking clip includes a clip base and locking clip legs depending from opposed ends of the clip base. The locking clip legs are dimensioned for reception within corresponding locking slots of the inner member to selectively ...

ARCUATE FIXATION MEMBER

Arcuate bone fixation members (12A, 12B, 12C) with a tip configured to cut into bone are particularly suitable when a linear line-of -approach for delivering fixation members is undesirable. The members may be configured to engage a driving instrument, have a proximal tab (44) with an aperture (48) to receive a bone anchor (50), be received in a curved guiding bore (28) of a guiding member (14) configured to be anchored in a vertebral body, be forced by an actuator through an instrument comprising a cannulated guide shaft (68) and within it a shaft (74) which has an engagement feature (80a) complementary to an engagement feature on the fixation member such as a thread, or fix an intervertebral implant (108) fixation plate (116).

UNILATERAL LAMINOPLASTY IMPLANTS

Implants (1, 30) for maintaining a distance between cut spinal bones (10) are disclosed. The implants (1, 30) are made of metal, polymer or bone allograft having ends (6A, 6B) configured to conform to the cut bone ends (10). The implants ends (1, 30) have hollow regions (4) for packing osteogenic material. The implant ends (6A, 6B; 32A, 32B) have surface projections to reduce slippage. Implants (1, 30) made of bone allograft also have spine contacting ends (6A, 6B; 32A, 32B) made of demineralized bone to speed fusion of spine (10) and implant (1, 30); they may also have bone flaps (31A, 31B) to fix the implant (30) to the spine (10). Methods of using the implants (1, 30) are also disclosed.

INTERVERTEBRAL IMPLANT AND SURGICAL METHOD FOR SPONDYILODESIS OF A LUMBAR VERTEBRAL COLUMN

The invention relates to an intervertebral implant (1) comprising a known head (2) having a conical section (13) and an external thread (14). A central section (5, 6, 7, 8) consisting of a plurality of struts extending from the head (2) to a base structure (3) is formed on the head (2). As a result, large- surface windows (9, 10, 15 11, 12) are open between the head (2) and the struts (5, 6, 7, 8) and the base structure (3). According to said invention, the external thread (14) of the head (2) is formed on the conical section (13) and the external end section of the head (2) is formed by The protective elevation (15) which is convexly curved, from the outside view, and is devoid of sharp edges. The inventive intervertebral implant (1) makes it possible to carry out a complete distraction, in particular including the ventral circumference of the adjacent vertebral bodies (30, 31) by eliminating the risk of injury of an adjacent hollow vein or aorta. Simultaneously, a lordosis can be adjusted ...

UNIVERSAL INTERFERENCE CLEAT FOR VERTEBRAL PROSTHESIS

A vertebral implant comprises a tubular body (22) sized to fit between two vertebral endplates and a pair of ring-shaped cleat assemblies (24, 26). Each cleat assembly comprises an outer end wall (40), an inner end wall (42), and a side wall (34, 36) which defines a hollow bore (38). One or more spikes (44) extend from each outer end wall, and each hollow bore is sized to fit over an end of the tubular body and slidably pass from the end along at least a portion of the length of the tubular body.

SPINAL DISC ANNULUS RECONSTRUCTION METHOD AND SPINAL DISC ANNULUS STENT

A surgical method of repair and reconstruction of the spinal disc wall (annulus) after surgical invasion or pathologic rupture, incorporating suture closure, or stent insertion and fixation, designed to reduce the failure rate of conventional surgical procedures on the spinal discs. The design of the spinal disc annulus stent allows ingrowth of normal cells of healing in an enhanced fashion strengthening the normal reparative process.

EXCHANGE SYSTEM FOR AXIAL SPINAL PROCEDURES

An exchange system is disclosed, for providing a protected path to a subcutaneous procedure site. An exchange cannula is provided with a central lumen, and a drill wire lumen that serves as a portal for a drill wire for coupling the assembly to bone. The wall thickness of the exchange cannula may be eccentric, to accommodate the drill wire lumen within the exchange cannula wall. A tensioning handle may be carried over the exchange cannula, for engaging adjacent tissue. The exchange cannula may have a proximal "T" handle. An exchange rod is movably positionable within the central lumen of the exchange cannula.

TISSUE INTEGRATION DESIGN FOR SEAMLESS IMPLANT FIXATION

The present invention relates to orthopaedic implants (14) having a fenestrated hollow shell and a biologic core. These design features provide an improved interface between the implant and the surrounding tissue, aiding fixation, and provide a vehicle for applying new bone healing and enhancing modalities, such as gene therapy, tissue engineering, and growth factors.

IMPLANT FOR USE IN A WEAR COUPLE INCLUDING A SPHERICAL WEAR PARTNER

The invention describes an implant for wear couples in endoprosthetics, the implant having an outer side, with an outer face, and an inner side, and a hemispherical wear region for accommodating a spherical wear partner being formed on the inner side. The aim of the invention is to reduce the height of the implant as much as possible and to ensure that, e.g., the pelvic bone does not have to be milled down as much. According to the invention, the implant is therefore designed in the form of a ring or annular structure and the outer face permits direct implantation in the body. In order to reduce friction between the spherical wear partner and the implant to a minimum, the implant has a specially designed inner geometry.

KNEE SPACER SYSTEM WITH IRRIGATION DEVICE

A knee spacer system having a tibia component (1), wherein the tibia component (1) has a tibia prosthetic body, wherein the tibia prosthetic body has two running surfaces and at least one mounting surface (5, 6) for mounting the tibia component (1) on a tibia, a first connecting means (8) for feeding a medical irrigation fluid into the tibia prosthetic body, a second connecting means (9) for draining a medical irrigation fluid from the tibia prosthetic body, an irrigation fluid inlet opening in a surface of the tibia prosthetic body, wherein the first connecting means (8) is connected to the irrigation fluid inlet opening, an irrigation fluid outlet opening in the surface of the tibia prosthetic body, wherein the second connecting means (9) is connected to the irrigation fluid outlet opening, at least one irrigation fluid exit opening (22) in the surface of the tibia prosthetic body, which is connected in the interior of the tibia prosthetic body with the irrigation fluid inlet opening, ...

POROUS TISSUE INGROWTH STRUCTURE

RADIOLUCENT TRIAL

Spinal implant trials are provided having various configurations and sizes that aid the selection of spinal implants having similar configurations and sizes. A surgeon during surgery can insert various configurations and sizes of the spinal implant trials into a disc space between two adjacent vertebral bodies of a patient to enable the selection of a spinal implant configured and sized to fit the patient's disc space. Fluoroscopic images can be used in aiding the selection of an appropriately configured and sized spinal implant corresponding to one of the spinal implant trials. The spinal implant trials include features that reveal on the fluoroscopic images whether the spinal implant trials are properly oriented and positioned in the disc space. As such, the selection of the configuration and size of the spinal implants can be made after it is determined that the spinal implant trials are properly oriented and positioned within the disc space.

ANGULATING BONE PLATE

An angulating spinal plate assembly for fixation and/or support of bones of the spinal column is provided. The angulating bone plate includes interleaved, arcuate sheets that facilitate relative motion between first/second elements. An implant assembly is also provided that includes an angulating bone plate and associated first/second intervertebral plates that extend therefrom. The angulating bone plate generally includes an interleaved elements, e.g., an upstanding tab that cooperates with opposing faces of an opening, that permit rotational movement as between first/second implant elements until a desired relative orientation is achieved. At such time, a fixation/locking element is generally employed to fix the first/second implant elements relative to each other. The rotational movement permitted is generally in multiple planes based on the cooperative arcuate surfaces provided in the disclosed elements, i.e., side-to-side and top-to-bottom freedoms of movement.

PROCESS FOR MANUFACTURING A CAP OF A COVERING DEVICE FOR A BONE DEFECT SITE; DEVICE FOR COVERING AND/OR RECONSTRUCTING A BONE DEFECT SITE

A method for producing an attachment piece (4), which has at least one predetermined break point (16), a cover device for a bone defect site (2), and a device (1) for covering and/or reconstructing a bone defect site (2) are proposed, wherein by comparing a first data set, which represents the affected bone defect site (2) in the actual state, against a second data set, which represents the desired state of a bone regenerated at the bone defect site (2), wherein the second data set was calculated or was recorded at a time when the bone at the site now to be regenerated was still a healthy bone (18), it is possible that the regenerated bone, which arises through the regeneration of the bone defect site (2), has a form corresponding to the form that the bone at the site to be regenerated had when it was still healthy.

INSTRUMENTS FOR EXPANDABLE CORPECTOMY SPINAL FUSION CAGE

An instrument set for an intervertebral expandable spacer having a pair of co-axial annuluses locked together by an engagement member, the set including an inserter/expander having both a rapid expansion mechanism and a fine tuning expansion mechanism.

PERFORATED OSTEOCHONDRAL ALLOGRAFT COMPOSITIONS

Osteochondral graft composition comprising a cartilage component and a bone component, and further comprising one or more perforations in the bone component and/or the cartilage component, are provided. Methods of manufacturing and using osteochondral graft compositions comprising one or more perforations in the bone component and/or the cartilage component are also provided.

eNDOPROSTHESIS DE L' ARTICULATION DE LA CHEVILLE.

РАСШИРЯЮЩИЙСЯ БАЛЛОННЫЙ ИМПЛАНТАТ

В изобретении описан расширяющийся баллонный имплантат с ограниченной проницаемостью для жидкости. Также описано устройство для реконструкции позвонков, состоящее из баллонного имплантата с ограниченной проницаемостью для жидкости, соединенного с дистальным концом подающего рукава таким образом, что внутреннее пространство такого имплантата сообщается с просветом подающего рукава.

Reinforced fusion implant

Articular surface fusion cage

Spinal implants

Bionic implant

Reverse shoulder prosthesis

Various embodiments of the present invention relate to an apparatus and method for reverse shoulder arthroplasty (e.g., reverse total shoulder arthroplasty). In one specific example, a glenoid component used to resurface the scapula may be provided. Of note, unlike traditional total shoulder arthroplasty the glenoid component in a reverse shoulder is convex rather than concave; it acts as a physical stop to prevent the superior migration of the humeral head - a typical occurrence in patients suffering from rotator cuff tear arthropathy (CTA).

PROSTHESIS OF INTERVERTEBRAL DISC

BONE IMPLANT BASED ON A BIOACTIVE MATERIAL

INTERVERTEBRAL FUSION IMPLANT AND SURGICAL INSTRUMENT FOR PLACING THE IMPLANT

INTERSOMATIC CAGE WITH ADJUSTABLE COVER AND METHOD OF MAKING SAME

L'invention concerne une cage (1) intersomatique expansible destinée à être implantée entre un premier corps vertébral (4) et un deuxième corps vertébral (5) d'un patient, ladite cage (1) comprenant : - un corps de cage (2), comprenant une surface d'appui (6A) destinée à être positionnée en appui contre le premier corps vertébral (4), - un couvercle d'expansion (3) monté sur le corps de cage (2) pour pouvoir pivoter par rapport à la surface d'appui (6A), ledit couvercle d'expansion (3) comprenant un élément d'appui (3A) contre le deuxième corps vertébral (5), la course d'inclinaison s'étendant entre : ○ une inclinaison minimale dudit couvercle d'expansion (3), et ○ une inclinaison maximale dudit couvercle d'expansion (3) - un moyen de commande (16) de l'inclinaison du couvercle d'expansion (3). Implants chirurgicaux.

Bone implant and implantation assembly comprising such a bone implant

ANCHOR BASE HINGE FOR AN ORTHOPEDIC IMPLANT

L'embase comprend une surface d'appui plane sous forme d'une couronne (1) apte à coopérer avec une coupe osseuse réalisée à l'extrémité métaphysaire de l'os considéré, ladite couronne (1) présentant coaxialement un plot (la) assujetti à des ailettes d'ancrage (lb) formées radialement à partir de la périphérie de la couronne (1) et aptes à être impactés dans la coupe osseuse.

INTERBODY IMPLANT WITH IMPROVED STABILITY

L'implant intersomatique (10) est destiné à être inséré dans un espace intervertébral délimité entre un élément vertébral supérieur (L5) et un élément vertébral inférieur (S1) adjacents d'une colonne vertébrale s'étendant s'étendant le long d'un axe rostro-caudal (R-C) et perpendiculairement à un axe dorso-ventral (D-V). L'implant (10) comporte un corps (12) présentant une face supérieure et une face inférieure, ainsi qu'une face arrière (26) et une face avant (28) sensiblement perpendiculaires à un axe longitudinal (X) destiné à être sensiblement parallèle à l'axe dorso-ventral (D-V). L'implant (10) comporte des éléments de fixation supérieur (34) et inférieur (36), prolongeant la face avant (28) du corps (12) dans une direction verticale (Z) perpendiculaire à l'axe longitudinal (X) et destinée à être parallèle à l'axe rostro-caudal (R-C). L'élément de fixation supérieur (34) comportant des moyens supérieurs (38) de fixation à l'élément vertébral supérieur (L5), et l'élément de fixation ...

뼈 결손용 이식편 수집 및 격납 시스템

... 뼈 이식편 물질을 함유하는 장치는 근위단으로부터 원위단으로 세로 방향으로 연장하는 내부 슬리브(112) 및 뼈 이식편 수집 공간(132)이 그들 사이에 형성되도록 내부 슬리브를 둘러싸고 근위단으로부터 원위단으로 세로 방향으로 연장하는 외부 슬리브(114)를 포함하는 몸체(102)를 포함한다. 수집 공간 내에 뼈 이식편을 수집하기 위한 시스템(101)이 또한 제공된다.

ARTICULATING IMPLANT SYSTEM

An articulating implant system is provided for fixation to a bone. The articulating implant system includes a fixation component for fixation to the bone and an articulating member for articulating against bone or cartilage. Specifically, a modular ulnar implant (10) is provided in accordance with the articulating implant system of the present invention wherein the fixation component is a stem (12) for insertion into the intramedullary canal of the distal ulna and the articulating member is a head (14) for articulating with the radial sigmoid notch. © KIPO & WIPO 2007 ...

EXCHANGE SYSTEM FOR AXIAL SPINAL PROCEDURES

An exchange system is disclosed, for providing a protected path to a subcutaneous procedure site. An exchange cannula is provided with a central lumen, and a drill wire lumen that serves as a portal for a drill wire for coupling the assembly to bone. The wall thickness of the exchange cannula may be eccentric, to accommodate the drill wire lumen within the exchange cannula wall. A tensioning handle may be carried over the exchange cannula, for engaging adjacent tissue. The exchange cannula may have a proximal "T" handle. An exchange rod is movably positionable within the central lumen of the exchange cannula. © KIPO & WIPO 2008 ...

PRÓTESE OF RECORD INTERVERTEBRAL FOR IMPLANTATION BETWEEN THE FIRST ONE AND ACCORDING TO ADJACENT BODIES VERTEBRAIS

prótese de ombro com base para fratura umeral

VERTEBRAL BODY REPLACEMENT

The present invention involves a system and methods for assembling and implanting a vertebral body implant. The vertebral body implant includes, but is not necessarily limited to, an expandable core body and endplates that can be attached at both ends. Endplates of various shapes, sizes and angles are attachable to the expandable core in a plurality of positions so that a suitable vertebral body implant can be implanted between vertebrae from an anterior, anterior- lateral, lateral, posterior or posterior-lateral approach.

PROSTHESIS AND METHOD OF IMPLANTATION

A bone prosthesis for implantation at a joint is adapted to closely replicate the normal loading of the femur and is suitable for implantation using a single incision anterior approach, a form of minimally invasive surgery (MIS). The bone prosthesis comprises a stem adapted for orientation with a medial trabecular stream of the femur.

GRAFT COLLECTION AND CONTAINMENT SYSTEM FOR BONE DEFECTS

A device for containing bone graft material comprises a body (102) including an inner sleeve (112) extending longitudinally from a proximal end to a distal end and an outer sleeve (114) surrounding the inner sleeve and extending longitudinally from a proximal end to a distal end such that a bone graft collecting space (132) is formed therebetween. A sytem (101) for collecting bone graft in the collecting space is also provided.

IMPLANT ASSEMBLIES, DEVICES AND METHODS FOR PROVIDING STABILIZATION BETWEEN FIRST AND SECOND VERTEBRAE

Systems, methods and devices for providing stabilization between first and second vertebrae are provided. More particularly, in one form an implant assembly includes first and second end members configured to engage with the first and second vertebrae, respectively, and a support body configured to extend between and engage with the end members. In one aspect of this form, one or both of the end members is configured to facilitate injection of a material into one or both of the vertebrae. In another aspect, one or both of the end members includes a mesh material extending across a hollow interior to facilitate bone growth through the end member toward the support body. In another form, techniques for providing stabilization and support to vertebrae on opposite sides of a space created by removal of one or more vertebral elements are provided. However, different forms and applications are also envisioned.

INSTRUMENTATION AND PROCEDURE FOR IMPLANTING SPINAL IMPLANT DEVICES

An instrumentation set may include insertion instruments for forming an implant between bone structures. The insertion instruments may include a spreader (400) and a separator (300). The bone structures may be vertebrae. Implant members (12) may be attached to the spreader and positioned between the bone structures. The separator may be inserted into the spreader to establish a desired separation distance between the implant members. Connectors (14) may be inserted into the implant members to join the implant members together and form the implant. The insertion instruments may be removed. A seater (1100) may be used to set the position of the connectors relative to the implant members to inhibit disassembly of the implant.

INTERSOMATIC IMPLANT

The invention relates to an intersomatic implant (100) for insertion into the intervertebral space defined by two adjacent vertebrae (V1, V2), with a body (1) having an upper face (2) and a lower face (3) parallel to each other, the peripheries (2a, 3a) of said faces being connected by a vertical peripheral wall (4), each of said faces having substantially the shape of a triangle with rounded corners, each face comprising three bearing surfaces (5, 6, 7, 8, 9, 10) situated at the three rounded corners of said triangle, at least one of the upper and lower faces (2, 3) is provided with guide means (22) for insertion of the implant into the intervertebral space, the guide means comprising a plurality of crests (22) directed in an arc of a circle, of which the centre would be situated in the anterior region outside the implant.

SOFT TISSUE ATTACHMENT MECHANISM

A prosthetic implant (12, 100) has a stem (102) including a prosthetic joint member at an end thereof. The joint element has a soft tissue attachment element (14, 114) thereon for receiving ligaments or tendons surrounding the joint. In one embodiment the soft tissue attachment element (114) has an L-shape with a mounting flange portion (130) of the L-shape extending and clamped between the bearing portion (106) and base portion (126). The soft tissue attachment portion (114) has a portion (131) extending proximally from the mounting flange portion. The soft tissue attachment element mounting portion (114) is captured between the head bearing portion (106, 124) and base portion (126) preferably by clamping or being permanently attached to one of the base or bearing portions during manufacture.

COMPUTER-AIDED DESIGN AND PREPARATION OF BONE GRAFT

Described herein is a method of preparing a bone graft product, comprising computer-guided precision cutting an unshaped piece of bone from a human cadaver or a bovine animal to provide a shaped piece of bone having a predetermined shape that is determined by a human being using computer-aided design. Bone graft products prepared using this method and methods of grafting these products are also disclosed.

EXPANDABLE IMPLANT ASSEMBLY

An expandable implant includes an upper main support of bone, a lower main support coupled to the upper main support, the lower main support comprising a first coupling feature and a second coupling feature being substantially parallel to the first coupling feature, and a control assembly configured to control relative movement between the upper main support and the lower main support, the control assembly including a first control member configured to engage the upper main support and the lower main support and interface with the first coupling feature a second control member configured to engage the upper main support and the lower main support and interface with the second coupling feature, and a control shaft configured to be received by the first control member and the second control member, wherein manipulation of the control shaft causes relative movement between the upper main support and the lower main support.

Articulating implant system

An articulating implant system is provided for fixation to a bone. The articulating implant system includes a fixation component for fixation to the bone and an articulating member for articulating against bone or cartilage. Specifically, a modular ulnar implant is provided in accordance with the articulating implant system of the present invention wherein the fixation component is a stem for insertion into the intramedullary canal of the distal ulna and the articulating member is a head for articulating with the radial sigmoid notch.

Spinal implant for use during retroperitoneal lateral insertion procedures

A method is disclosed for introducing a spinal disc implant into an intervertebral space of a subject. The subject is placed in a lateral position, and the anterior face of the spinal disc intervertebral space is accessed, between the L5 and S1 vertebrae, from an anterior and lateral retroperitoneal approach. An operative corridor to the anterior face of the spinal disc space is established by introducing a retractor instrument anterolaterally to the spinal disc space between the anterior superior iliac spine and the anterior inferior iliac spine. The damaged spinal disc contents are removed from the intervertebral space through the operative corridor, and the implant is advanced into the intervertebral space at an oblique angle and pivoted to position the implant substantially laterally within the intervertebral space. Elongated retractor and insertion instruments, as well as a modified disc implant, are also disclosed for carrying out the method.

Method of using instruments and interbody spinal implants to enhance distraction

A method of using an interbody spinal implant by implanting the spinal implant into a patient in need of the spinal implant. The method includes accessing the disc space of the patient and locating the center of the disc space. The disc space is incised by making a window in the annulus of the disc space for insertion of the spinal implant. The endplates are cleaned of all cartilage and the disc structure, which is encapsulated by the annulus, is removed while avoiding damage to the endplate structure of the vertebrae. Optionally a size-specific rasp is selected and the disc space is cleared of all soft tissue and cartilage. Optionally the disc space is distracted by sequentially expanding it with distractors of progressively increasing heights. A spinal implant having a pre-determined size sufficient to balance frictional fit and elongation of the annulus is selected and seated in the disc space.

Method and apparatus for the treatment of tissue

This disclosure presents methods and devices for treating a defect in soft tissue of a patient. The methods and devices can employ fixation delivery apparatuses and fixation apparatuses positioned, at least in part, in or on the soft tissue to be repaired. In some aspects, these techniques include the use of this includes a fixation apparatus that includes at least one bone anchor connected to at least one tissue anchor by a shortenable elongate member.

Artificial Disc Device

An artificial disc device for replacing a damaged nucleus is disclosed. In one form, the device may be inserted in components such that the device may be assembled within and retained by the natural annulus therein. In another form, the device may be inserted into the natural annulus in a collapsed or compressed state or arrangement and then be expanded within and retained by the annulus therein. In a further form, the device may be provided with a releasable connection so that the device may be connected in an insertion configuration and may be released in an operable configuration. Insertion tools and methods are also disclosed.

Prosthetic implant support structure

A prosthetic system that includes a prosthetic implant and a support structure secured to an inner surface of a cavity of a bone is disclosed. The support structure defines a channel that extends through the length of the support structure. The prosthetic implant is received in the channel, and a portion of the prosthetic implant is secured to an inner surface of the support structure by an adhesive. The support structure may comprise a pair of partially hemispherical components arranged in spaced apart relationship thereby defining the channel between the pair of components.

Subchondral treatment of joint pain of the spine

Methods for altering the natural history of degenerative disc disease and osteoarthritis of the spine are proposed. The methods focus on the prevention, or delayed onset or progression of, subchondral defects such as bone marrow edema or bone marrow lesion, and subchondral treatment to prevent the progression of osteoarthritis or degenerative disc disease in the spine and thereby treat pain.

Interbody implant

An interbody implant is provided. The interbody implant includes a body having a cavity configured to retain material deposited in the cavity. The cavity has an opening defining a passageway in communication with the cavity. The implant further includes a membrane disposed about the opening of the cavity having a first configuration covering the opening and a second configuration such that the membrane exposes the passageway in communication with the cavity.

Implant with Sensor

A spinal implant for supporting adjacent bones or vertebrae by insertion through a surgical opening with adjacent nerves is disclosed. The spinal implant may include a body and one or more conductors. The body is configured to be inserted through the surgical opening to fit between the two endplates of the adjacent vertebrae and to maintain spacing between the endplates. The conductor has at least a first and second ends. Extending through a portion of the body, the conductor's first end is exposed and accessible through the surgical opening. The second end is exposed and positioned to communicate with at least one of the nerves. The first end of the conductor is also configured to communicate with a monitori

Lateral Cage with Integrated Plate

An intervertebral fusion cage having a plate pivotally attached thereto. The plate and cage are pivotally coupled but move independently of each other. The plate is made up of two smaller plate halves: a superior plate half and an inferior plate half Both plate halves form the larger plate. The plates are joined using a cross pin that provides a pivot point about which the plate halves rotate. The same pin also joins the plate halves to the cage, thus allowing the plate halves to pivot about the cage. It is believed that the device of the present invention will reduce the difficulties in placing a lateral plate down a port and manipulating it into position. Mating the plate to the cage will reduce the chances of micromotion and improve fusion rate, resulting in improved patient outcomes.

Bone fusion device, system and method

A bone fusion method, system and device for insertion between bones that are to be fused together in order to replace degenerated discs and/or bones, for example, the vertebrae of a spinal column. The bone fusion device comprises a frame and one or more extendable plates that are able to be angled, rotatable, adjustable, and have top profiles designed to correct and/or match the replaced discs/bones. The bone fusion device is able to be inserted between or replace the vertebrae by using a minimally invasive procedure wherein the dimensions and/or other characteristics of the bone fusion device are selectable based on the type of minimally invasive procedure.

Vertebral body spacer

A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes a frame-shaped dense part and a porous part provided inside the dense part, and a porosity of at least a surface of the porous part is larger than a porosity of the dense part. According to the present invention, it is possible to maintain an appropriate size between the vertebral bodies (intervertebral space).

Spinal spacer devices, tools, and methods

A spacer device for spinal fixation, such as in corpectomies and discectomies, includes a core and two end plates mounted to the core. One end plate is mounted to each respective end of the core. The core can be configured and adapted to be adjustable to allow for contraction and/or distraction of the end plates. The end plates can include apertures therethrough to facilitate osseointegration of the spacer device within a patient's spine. The angle of the endplates can each be adjusted with respect to the core of the spacer device, for example to accommodate lordosis. A containment mesh is included around the spacer device, wrapping circumferentially around the end plates, and spanning from end plate to end plate. The containment mesh defines a containment volume between the end plates for containing bone replacement materials such as allograft or man-made materials.

High X-Ray Lucency Lattice Structures

The biocompatible lattice structures and implants disclosed herein have an increased or optimized lucency, even when constructed from a metallic material. The lattice structures can also provide an increased or optimized lucency in a material that is not generally considered to be radiolucent. Lucency can include disparity, maximum variation in lucency properties across a structure, or dispersion, minimum variation in lucency properties across a structure. The implants and lattice structures disclosed herein may be optimized for disparity or dispersion in any desired direction. A desired direction with respect to lucency can include the anticipated x-ray viewing direction of an implant in the expected implantation orientation. 1. A medical implant , comprising:a porous structure disposed within an implant volume, the porous structure comprising:a plurality of repeating unit cells, each defined by a plurality of nodes and plurality of struts extending from at least one node;wherein the plurality of struts are fixed and configured such that overlap of struts in a predetermined viewing direction, within the implant volume, is minimized.2. The medical implant of claim 1 , wherein the predetermined viewing direction comprises a direction relative to the implant volume.3. The medical implant of claim 1 , wherein the porous structure further comprises a lattice structure.4. The medical implant of claim 1 , wherein the plurality of repeating unit cells are configured to form a lattice structure comprising at least one of: radial dodeca-rhombus claim 1 , rhombic dodecahedron claim 1 , modified rhombic dodecahedron claim 1 , diamond claim 1 , dodecahedron claim 1 , square claim 1 , pentagonal claim 1 , hexagonal claim 1 , octagonal claim 1 , sctet struts claim 1 , trunic octa claim 1 , diagonal struts claim 1 , and reinforced versions of each of said geometries.5. The medical implant of claim 1 , wherein the predetermined viewing direction further comprises a direction of ...

Trial femoral head prosthesis

A trial femoral head for use in a trial fitting of a hip prosthesis, the head having an outer surface and a plurality of cavities configured to mate with a male connection member of a femoral stem component, each cavity having an opening located in the outer surface of the head, each opening being of a different size such that when the male connection member of the femoral stem component is mated with a first cavity it is received at a first depth, and when it is mated with a second cavity it is received at a second depth.

Methods and Apparatus for Performing Spine Surgery

Systems and methods are described for correcting sagittal imbalance in a spine including instruments for performing the controlled release of the anterior longitudinal ligament through a lateral access corridor and hyper-lordotic lateral implants. 1. A method for correcting saggital imbalance of a lumbar spine , comprising the steps of:inserting an access system along a lateral, trans-psoas path to a target site on the lumbar spine to create an operative corridor to the target site;preparing the intervertebral space between first and second vertebra of the lumbar spine for receipt of an intervertebral implant, the intervertebral space being at least partially defined by an anterior aspect, a posterior aspect, and opposing first and second lateral aspects;advancing a tissue retractor through the operative corridor along the lateral, trans-psoas path to a protective position in which a protective head of the tissue retractor is positioned between the Anterior Longitudinal Ligament (ALL) and the anterior vasculature, the tissue retractor protective head including an inner surface that faces the ALL and an outer surface that that faces the anterior vasculature when the tissue retractor is in the protective position, a distal end of the protective head being curved such that the distal end curves around the anterior aspect of the target site,advancing a cutting blade along the inner surface of the tissue retractor protective head and severing the Anterior Longitudinal Ligament (ALL) with the cutting blade; andadvancing and intervertebral implant through the operative corridor along the lateral, trans-psoas path and depositing the intervertebral implant into the intervertebral disc space.2. The method of claim 1 , wherein the intervertebral implant includes an upper surface that contacts the first vertebra and a lower surface that contacts the second vertebra claim 1 , a distal wall claim 1 , a proximal wall claim 1 , an anterior sidewall that faces anteriorly claim 1 , ...

INTERBODY FUSION IMPLANT

An intervertebral implant can include a core and a flexible end plate. The core can have a core body that is elongate along a first direction and defines first and second outer surfaces. The flexible end plate can define an inner surface and an opposed bone facing surface that is configured to abut a vertebral body. The flexible end plate can be coupled to the core such that at least a portion of the inner surface faces the first outer surface and is spaced from the first outer surface. The flexible end plate is configured to resiliently flex toward a compressed configuration such that as the flexible end plate flexes toward the compressed configuration, a first end moves relative to the core along the first direction and the portion of the inner surface moves toward the first outer surface. 1. An intervertebral implant comprising:a core defining a rear end and a front end that is spaced from the rear end along an insertion direction;an end plate that defines a bone facing surface and an inner surface that is opposite the bone facing surface, the end plate further defining a first attachment member and a second attachment member that is spaced from the first attachment member, the first and second attachment members being movably coupled to the core such that at least a portion of the inner surface faces the core and is spaced from the core a first distance along a first direction that is substantially perpendicular to the insertion direction,wherein the end plate is configured to resiliently move toward the core along the first direction such that 1) the portion of the inner surface is spaced from the core a second distance along the first direction that is less than the first distance, and 2) at least one of the first and second attachment members moves along the core.2. The intervertebral implant of claim 1 , wherein the at least one of the first and second attachment members moves along the core along the first direction.3. The intervertebral implant of claim 1 ...

METHODS AND SYSTEMS FOR ENHANCING RADIOGRAPHIC IMAGES OF RADIOLUCENT IMPLANTS

A radiolucent intervertebral prosthesis is implanted in an environment that has been prepared in a manner which enhances radiopacity of the prosthesis and/or the environment. A liquid, powder, or other fluid radiopaque (RO) material, such as iohexol, is introduced into an implantation site, either by directly introducing the material into the site and/or by applying the material to a surface of the implant. The presence of the RO material in the implantation site provides contrast with the material of radiolucent prosthesis while the implantation site is being radiographically imaged, e.g. during fluoroscopic visualization while the prosthesis is being implanted. During implantation, the RO material helps the physician view and manipulate the implant, and after the implantation is complete, the RO material will be resorbed or otherwise lost from the implantation site so that the area returns to a radiolucent condition to facilitate subsequent radiographic imaging when needed. 1. A method for treating a patient having upper and lower vertebrae and an autologous disc in an intervertebral space between the upper and lower vertebrae , the method comprising:performing a discectomy to remove the autologous disc from the intervertebral space;providing an at least partially radiolucent prosthetic disc assembly configured for implantation into the intervertebral space and having upper and lower ends which are configured to engage the upper and lower vertebrae, respectively, after implantation;implanting the radiolucent prosthetic disc into the intervertebral space in the presence of a fluoroscopic contrast medium; andfluoroscopically imaging the intervertebral space while positioning the radiolucent prosthetic disc assembly in the intervertebral space, wherein boundary layers between the upper and lower ends of the radiolucent prosthetic disc assembly and the fluoroscopic contrast medium are visible during such positioning;wherein the fluoroscopic contrast medium is lost ...

Vertebral body replacement apparatus

A vertebral body replacement apparatus includes an outer body member having a first end, a second end, and an opening, and an inner body member having a first end, a second end, and an inner surface defining an opening. The first end of the inner body member is received in the opening of the outer body member such that the inner body member and the outer body member are movable relative to one another. A support member has a first end secured within the inner body member and a second end extending a distance beyond the inner body member. The second end of the support member deflects relative to the first end of the outer body member in response to a force applied thereto and returns to a substantially non-deflected condition upon release of the force.

Method for Modeling Humeral Anatomy and Optimization of Component Design

Stemless components and fracture stems for joint arthroplasty, such as shoulder arthroplasty, are disclosed. Also, methods and devices are disclosed for the optimization of shoulder arthroplasty component design through the use of medical imaging data, such as computed tomography scan data. 1. A prosthesis comprising:a central body having a longitudinal axis normal to a reference plane that extends through the central body;at least five fins extending laterally from an outer surface of the central body, the at least five fins being spaced apart around the outer surface of the central body,wherein spacing of the at least five fins is asymmetric in the reference plane.2. The prosthesis of claim 1 , wherein the at least five fins do not create bilateral symmetry of the at least five fins with respect to a longitudinal plane containing the longitudinal axis due to the spacing in the reference plane of the at least five fins.3. The prosthesis of claim 1 , further comprising a sixth fin to form at least six fins extending laterally from the outer surface of the central body claim 1 , the at least six fins being spaced apart around the outer surface of the central body claim 1 , andwherein spacing of the at least six fins is asymmetric in the reference plane.4. The prosthesis of claim 1 , wherein the central body has a first opening and a second opening claim 1 , the first opening corresponding to a proximal side of the central body and the second opening corresponding to a distal side of the central body.5. The prosthesis of claim 1 , wherein at least one of the at least five fins has an inner perimeter and an outer perimeter claim 1 , the inner perimeter and the central body defining at least one window claim 1 , at least one of the at least five fins having the at least one window includes one or more throughholes in a wall defined by the inner perimeter and the outer perimeter of the at least one of the at least five fins having the at least one window.6. The ...

SURFACE TREATED MEDICAL IMPLANT DEVICES

A surgical implant having a surface treatment which contains primary cavities and secondary cavities. The primary cavities are larger than the secondary cavities and the primary cavities have an average length ranging from 20-500 micrometers. The surface treatment includes recasted material adjacent to a plurality of the primary cavities. 1. A method for stabilizing a spine comprising the steps of:providing a surgical implant comprising:an implant body sized to be implanted in a patient and adapted to be in contact with a bone of the patient, the implant body having a surface treated outer surface, the outer surface containing a plurality of primary cavities and a plurality of secondary cavities smaller than the primary cavities,wherein the outer surface comprises recasted material adjacent to the primary cavities;wherein the recasted material has an average height of 1-100 micrometers, the primary cavities have an average depth of 19-499 micrometers from a surface of the implant, and the secondary cavities have an average depth of 5 nanometers to 10 micrometers.positioning the surgical implant on a portion of the spine.2. The method of claim 1 , wherein the primary cavities have an average length ranging from 20-500 micrometers.3. The method of claim 1 , wherein the recasted material is adjacent to at least 80% of the primary cavities claim 1 , and wherein the recasted material encircles the entire perimeters of at least 50% of the primary cavities.4. The method of claim 1 , wherein claim 1 , the primary and secondary cavities are laser-formed cavities.5. The method of claim 1 , wherein one or more of the primary cavities is formed of two or more conjoined spherical portions.6. The method of claim 1 , wherein the surgical implant is a spinal implant selected from a group consisting of: an expandable spacer claim 1 , a plate and spacer system claim 1 , an implant with a screw system claim 1 , an occipito-cervico-thoraic stabilization system claim 1 , a cervico- ...

Systems and methods for expandable corpectomy spacer implantation

An implant assembly including an expandable vertebral body replacement implant. The implant assembly includes a right hand end and a left hand end configured to attach to a threaded actuator. An outer ring is configured to surround each of the right and left hand ends and the threaded actuator. The implant assembly may include removable endplates configured to engage vertebral bodies as interbody spacer or through a corpectomy. The implant assembly includes a locking mechanism to prevent collapse or movement the implant assembly after implantation. The locking mechanism automatically engage after removal of an inserter instrument from the implant assembly.

LATERAL BLOCK PLATE

A spine stabilization and fusion system includes a lateral cage configured for placement between an upper vertebra and a lower vertebra. A face of the lateral cage includes an opening. The system also includes a lateral plate that includes one or more holes extending from a lateral face of the lateral plate to a medial face of the lateral plate. The one or more holes are configured to receive one or more fasteners. The lateral plate also includes a protrusion formed on the medial face of the lateral plate, where the protrusion is configured to mate with the opening in the face of the lateral cage. 1. A spine stabilization and fusion system comprising:a lateral cage configured for placement between an upper vertebra and a lower vertebra, wherein a face of the lateral cage includes an opening; and one or more holes extending from a lateral face of the lateral plate to a medial face of the lateral plate, wherein the one or more holes are configured to receive one or more fasteners; and', 'a protrusion formed on the medial face of the lateral plate, wherein the protrusion is configured to mate with the opening in the face of the lateral cage., 'a lateral plate, wherein the lateral plate comprises2. The spine stabilization and fusion system of claim 1 , wherein the protrusion includes a threaded hole that extends therethrough.3. The spine stabilization and fusion system of claim 2 , wherein the threaded hole in the protrusion comprises a first threaded hole that aligns with a second threaded hole in the lateral plate claim 2 , wherein the second threaded hole extends from the lateral face to the medial face of the lateral plate.4. The spine stabilization and fusion system of claim 2 , wherein the protrusion includes a top portion claim 2 , a bottom portion claim 2 , and a gap that separates the top portion from the bottom portion.5. The spine stabilization and fusion system of claim 4 , wherein a first portion of the threaded hole is formed in the top portion of the ...

INTERBODY CAGE DEVICE AND METHODS OF USE

A spinal interbody fusion device for use in a plurality of surgical approaches includes a cage, a top end, a bottom end, and at least a first side representing the width of the cage and at least a second side representing a length of the cage. The cage includes fixation holes and inserter holes, with each fixation hole being configured for accepting a screw or anchor and each inserter hole being accessible for one or more surgical approaches for performing a spinal fusion. Also included are methods for selecting a size of an intervertebral implant and methods of surgically approaching a spine of a patient for spinal surgical procedures. 1. A spinal interbody fusion device , comprising:a cage with a top side, a bottom side, and at least two other sides;wherein the cage comprises at least a first opening, a second opening, a third opening, and a fourth opening; andwherein the first opening and the second opening each being configured for interfacing with fasteners;wherein the first opening is positioned on one side and the second opening is positioned on the other side; and,wherein the at least third opening and the fourth opening being configured for interfacing with an instrument to allow for spinal fusion during one or more surgical approaches.2. The device of wherein the fastener is a screw or anchor.3. The device of wherein the instrument is an inserter.4. The device of wherein the surfaces of the third and fourth openings being configured to couple with the surfaces of the instrument.5. The device of wherein the interbody fusion device is a lumbar cage implant.6. The device of wherein the one or more surgical approaches can be anterior claim 1 , anterior-lateral claim 1 , oblique claim 1 , anterior to psoas claim 1 , or lateral.7. The device of wherein the interbody fusion device is a cervical cage implant used for the plurality of surgical approaches.8. The device of wherein the posterior intervertebral disc space height is between 5 mm and 13 mm.9. A method ...

INTERBODY CAGE DEVICE AND METHODS OF USE

A spinal interbody fusion device for use in a plurality of surgical approaches includes a cage, a top end, a bottom end, and at least a first side representing the width of the cage and at least a second side representing a length of the cage. The cage includes fixation holes and inserter holes, with each fixation hole being configured for accepting a screw or anchor and each inserter hole being accessible for one or more surgical approaches for performing a spinal fusion. Also included are methods for selecting a size of an intervertebral implant and methods of surgically approaching a spine of a patient for spinal surgical procedures. 120.-. (canceled)21. A spinal interbody fusion device , comprising:a cage with a top side, a bottom side, and at least two other sides;wherein the cage comprises at least a first opening, a second opening, a third opening, and a fourth opening; andwherein the first opening and the second opening each being configured for interfacing with fasteners;wherein the first opening is positioned on one side and the second opening is positioned on a different side; and,wherein the at least third opening and the fourth opening being configured for interfacing with an instrument to allow for spinal fusion using one or more surgical approaches.22. The device of wherein the fastener is a screw or anchor.23. The device of wherein the instrument is an inserter.24. The device of wherein the surfaces of the third opening and the fourth opening are configured to couple with the surfaces of the instrument.25. The device of wherein the interbody fusion device is a lumbar cage implant claim 21 , a cervical cage implant claim 21 , or a thoracic cage implant.26. The device of wherein the one or more surgical approaches can be anterior claim 21 , anterior-lateral claim 21 , oblique claim 21 , anterior to psoas claim 21 , or lateral.27. The device of wherein the interbody fusion device is a cervical cage implant used for the plurality of surgical approaches. ...

INTERBODY CAGE DEVICE AND METHODS OF USE

A spinal interbody fusion device for use in a plurality of surgical approaches includes a cage, a top end, a bottom end, and at least a first side representing the width of the cage and at least a second side representing a length of the cage. The cage includes fixation holes and inserter holes, with each fixation hole being configured for accepting a screw or anchor and each inserter hole being accessible for one or more surgical approaches for performing a spinal fusion. Also included are methods for selecting a size of an intervertebral implant and methods of surgically approaching a spine of a patient for spinal surgical procedures. 120.-. (canceled)21. A method for selecting a size of an intevertebral implant , the method comprising:exposing an intervertebral disc space;inserting one or more measurement devices into a posterior region of the intervertebral disc space to determine height;assessing fit of the one or more measurement devices;positioning one or more members against one or more vertebrae adjacent to the intervertebral disc space;assessing an approximate angle formed between the one or more members and the one or more measurement devices by rotating the one or more members about an axis in a transverse plane;removing the one or more measurement devices and the one or more members from the intervertebral disc space; andimplanting an intevertebral implant for a desired surgical outcome.22. The method of wherein the desired surgical outcome is spinal alignment within a sagittal plane.23. The method of wherein a portion of the one or more measurement devices can measure the height in increments.24. The method of wherein a progressive posterior height distraction device (1) is either distinct from the one or more measurement devices or can be connected to the one or more measurement devices claim 21 , (2) can be a part of the progressive posterior height distraction device or the one or more measurement devices claim 21 , or combinations thereof.25. The ...

Nitinol metal injection molding of porous, orthopedic implants with a titanium substrate

In one example, a method for providing therapy to a patient includes inserting a medical implant into the patient, where the medical implant comprises a titanium substrate metallurgically bonded to a dynamic porous material comprising a shape memory alloy. The dynamic porous material conforms to an adjacent bone to create an interference fit between the medical implant and the adjacent bone.

EXPANDABLE VERTEBRAL BODY REPLACEMENT DEVICE AND METHOD

An expandable vertebral body device, system, instrument, and methods of assembly and using the device, system, and instrument are disclosed. The vertebral body device includes a body with a first end and a second end, a first rotating member rotatably coupled to the first end, a second rotating member rotatably coupled to the second end, a first extension member moveably coupled to the first end, and a second extension member moveably coupled to the second end. The expandable cage system comprises a vertebral body device and an insertion instrument. Methods for assembling and using the vertebral body device and instrument are also disclosed. 1. A vertebral body device , comprising:a body with a first end and a second end;a first rotating member rotatably coupled to an exterior surface of the first end;a second rotating member rotatably coupled to an exterior surface of the second end;a first extension member moveably coupled to the first end; anda second extension member moveably coupled to the second end.2. The vertebral body device of claim 1 , wherein the body further comprises:an opening extending from the first end to the second end;at least one first channel recessed into an interior surface of the body and extending from the first end toward the second end and positioned adjacent to the opening; andat least one second channel recessed into the interior surface of the body and extending from the second end toward the first end and positioned adjacent to the opening.3. The vertebral body device of claim 2 , wherein the at least one first channel is three channels claim 2 , the at least one second channel is three channels claim 2 , and the first channels are each positioned adjacent to the second channels.4. The vertebral body device of claim 2 , wherein the body further comprises:a first groove positioned on the exterior surface of the body near the first end for receiving the first rotating member;a second groove positioned on the exterior surface of the body ...

SUBCHONDRAL TREATMENT OF JOINT PAIN OF THE SPINE

Methods for altering the natural history of degenerative disc disease and osteoarthritis of the spine are proposed. The methods focus on the prevention, or delayed onset or progression of, subchondral defects such as bone marrow edema or bone marrow lesion, and subchondral treatment to prevent the progression of osteoarthritis or degenerative disc disease in the spine and thereby treat pain. 1. (canceled)2. A method of injecting an injectable fluid material into a targeted treatment area in a subchondral region of a facet in a spinal segment of a patient , the method comprising:identifying bone marrow edema in a facet in a spinal segment of a patient, the bone marrow edema occurring in a subchondral region of the facet, the subchondral region of the facet occurring under an articular surface of the facet;creating, in the facet that contains the bone marrow lesion in the subchondral region, a subchondral injection path to a targeted treatment area for injecting an injectable fluid material into the targeted treatment area, wherein the targeted treatment area includes an area in the subchondral region where the bone marrow edema was identified, and wherein said creating preserves an existing condition of the articular surface of the facet; andinjecting an injectable fluid material into the targeted treatment area via the subchondral injection path, wherein the injectable fluid material includes an osteogenic, osteoconductive and/or osteoinductive material.3. The method of claim 2 , wherein said identifying includes identifying with MRI.4. The method of claim 2 , wherein the injectable fluid material is left in the targeted treatment area without also delivering and leaving a solid structural implant in the targeted treatment area in addition to the injectable fluid material.5. The method of claim 2 , wherein said creating is conducted without further creating a void inside the facet in or adjacent to the targeted treatment area.6. The method of claim 2 , wherein the ...

Arcuate Fixation Member

Arcuate fixation members with varying configurations and/or features are provided, along with additional components for use therewith in provided fixation systems and intervertebral implant systems. The arcuate fixation members may be of varying lengths, cross sectional geometries, and/or cross sectional areas, and may be configured with various features such as heads configured to accept other fixation system components, tabs to allow arcuate fixation member-in-arcuate fixation member or fixation anchor-in-arcuate fixation member configurations. Applications of fixation systems and intervertebral implants systems utilizing arcuate fixation members are particularly suitable when a linear line-of-approach for delivering fixation members is undesirable. 1an implant body defining a first bone-engaging surface, a second bone-engaging surface spaced from the first bone engaging surface along a transverse direction, a posterior end, an anterior end spaced from the posterior end along a longitudinal direction that is perpendicular to the transverse direction, and opposed lateral sides spaced apart with respect to each other along a lateral direction that is substantially perpendicular to the transverse direction and the longitudinal direction, the opposed lateral sides extending between the first and second bone-engaging surfaces;a fixation plate attached to the implant body, the fixation plate defining a posterior surface and an anterior surface spaced from the posterior surface along the longitudinal direction, and first and second lateral arms that extend away from the anterior surface along the longitudinal direction, the first and second lateral arms each defining a terminal end attached to the implant body, the fixation plate further defining a first and second upper curved apertures, and first and second lower curved apertures spaced from the first and second upper curved apertures along the transverse direction, and each at least one curved aperture having an ...

POSTERIOR SHOULDER ARTHROPLASTY IMPLANTS, SYSTEMS, AND METHODS

A stemless humeral head replacement system including a base plate and a humeral head implant. The base plate includes a bone facing side, an implant side opposite the bone facing side, a curvate perimeter, at least one fin protruding from the bone facing side a first distance and extending linearly a length along the bone facing side, and an implant engagement structure on the implant side. The humeral head implant includes a curvate implant surface and a base plate engagement structure opposite the curvate implant surface, the base plate engagement structure configured to couple to the implant engagement structure of the base plate. 121-. (canceled)22. A stemless humeral head replacement system comprising:a base plate comprising a bone facing side, an implant side opposite the bone facing side, a curvate perimeter, an implant engagement structure on the implant side, and at least one fin protruding from the bone facing side a first distance and extending linearly a length between side edges of the curvate perimeter; anda humeral head implant comprising a curvate implant surface and a base plate engagement structure opposite the curvate implant surface, the base plate engagement structure configured to couple to the implant engagement structure of the base plate; anda reference guide and a guide pin, the reference guide comprising a targeting arm having a curvate arm configured to be positioned around a spherical bone and terminating at a blunt tip, and a sleeve having a guide hole that is configured to guide the guide pin through the spherical bone to the blunt tip.23. The system of claim 22 , wherein the reference guide further comprises a handle claim 22 , the sleeve configured to removably couple with the handle claim 22 , wherein upon delivery of the guide pin via guidance by the guide hole of the sleeve claim 22 , the sleeve may be decoupled from the handle so as to permit the curvate arm of the targeting arm to be removed from being positioned around the ...

TUNABLE POROUS 3D BIODEGRADABLE, BIOCOMPATIBLE POLYMER/NANOMATERIAL SCAFFOLDS, AND FABRICATING METHODS AND APPLICATIONS OF SAME

The disclosure relates to a scaffold for tissue regeneration and methods for fabricating the scaffold. The scaffold includes a three-dimensional structure composed by alternating layers of various materials including a first medium, a second medium and a third medium. The first medium includes bone particles each having a size of 1 nm to 100 mm with or without organic components. The second medium is a natural or synthetic biocompatible and/or biodegradable polymer. The third medium is a material dissolved in a solvent different than the solvent of the polymer and includes solid particulates alone or in polymeric structures that dissolve when immersed in liquid or gaseous solvent environments or based on temperature differentials. The various materials are arranged according to the shape and the size of a bone gap being generated. The three-dimensional structure has a tunable porosity with interconnected channels and pores along with adjustable dimensions. 1. A scaffold useable for tissue regeneration , comprising:a three-dimensional (3D) structure composed by alternating layers of various materials comprising a first medium, a second medium and a third medium,wherein the first medium comprises bone particles of a human, bone particles of an animal origin, or bone particles grown in the laboratory; the size of the bone particles is between 1 nm to 100 mm, and the bone particles are with or without organic components;wherein the second medium is a natural or synthetic biocompatible and/or biodegradable polymer;wherein the third medium is a material dissolved or removed in a solvent different than the solvent of the polymer used; the third medium comprises solid particulates alone or in polymeric structures or other powders that dissolve when immersed in liquid or gaseous solvent environments or based on temperature differentials;wherein the various materials are arranged in accordance with the shape and the size of a bone gap that needs to be generated; andwherein ...

SYSTEM AND METHOD TO FUSE BONE

An implant is provided that is operable to be disposed between and fuse two sections of a bone. The implant includes an inner layer and an outer layer. The outer layer at least partially surrounds the inner layer and is operable to abut against the two sections of the bone. The outer layer is porous and/or fibrous and is operable to receive at least one cellular growth factor. 1. An implant operable to be disposed between and fuse two sections of a bone , the implant comprising:an inner layer; andan outer layer at least partially surrounding the inner layer and operable to abut against the two sections of the bone, the outer layer being porous and/or fibrous and operable to receive at least one cellular growth factor.2. The implant of claim 1 , wherein the outer layer includes a first portion and a second portion claim 1 , the inner layer is sandwiched between the first and second portions of the outer layer.3. The implant of claim 1 , wherein the outer layer is wrapped around a circumference of the inner layer.4. The implant of claim 1 , wherein the inner layer and/or the outer layer includes at least a portion of at least one of the following: cortical bone fibers claim 1 , cancellous bone fibers claim 1 , collagen sponge claim 1 , cortical bone graft claim 1 , synthetic bone claim 1 , and/or tissue graft.5. The implant of claim 1 , wherein the at least one cellular growth factor includes bone morphogenetic proteins claim 1 , mesenchymal stem cells claim 1 , blood claim 1 , osteoclasts claim 1 , osteoblasts claim 1 , antibiotics claim 1 , analgesics claim 1 , and/or medications.6. The implant of claim 1 , wherein the inner layer is fenestrated to promote bony ingrowth.7. The implant of claim 1 , wherein the implant has a thickness between about 2 millimeters and about 100 millimeters.8. The implant of claim 1 , wherein the implant has a length between about 25 millimeters and about 250 millimeters.9. The implant of claim 1 , wherein the implant has a depth between ...

GROWTH FACTOR TRANSDUCED CELL-LOADED CERAMIC SCAFFOLD FOR BONE REGENERATION AND REPAIR

A method for repairing a bone defect of a patient includes providing a ceramic scaffold configured for filling the bone defect, loading the scaffold with growth factor transduced cells incorporating a gene that encodes a growth factor essential for bone formation, placing the ceramic scaffold with the growth factor transduced cells in or across the bone defect, and stabilizing the ceramic scaffold with the growth factor transduced cells in the patient until the bone defect is healed. An assembly for repairing a bone defect includes a ceramic scaffold configured for spanning the bone defect and a culture of live growth factor transduced cells incorporating a gene that encodes a growth factor essential for bone formation loaded onto the ceramic scaffold. 1. A method for repairing a bone defect of a patient , comprising:providing a ceramic scaffold configured for filling the bone defect;loading the scaffold with growth factor transduced cells incorporating a gene that encodes a growth factor essential for bone formation;placing the ceramic scaffold with the growth factor transduced cells in or across the bone defect; andstabilizing the ceramic scaffold with the growth factor transduced cells in the patient until the bone defect is healed.2. The method of claim 1 , further comprising forming the ceramic scaffold by 3D printing a calcium phosphate material.3. The method of claim 3 , wherein forming the ceramic scaffold further comprises preparing a slurry including a calcium phosphate powder and a resin claim 3 , forming a ceramic-resin scaffold by 3D-printing the slurry claim 3 , and removing the resin from the ceramic-resin scaffold by heating.4. The method of claim 4 , wherein forming the ceramic-resin scaffold comprises shaping the ceramic-resin scaffold to match undamaged areas adjacent to the defect claim 4 , so as to fit against the undamaged areas while spanning the defect.5. The method of claim 1 , further comprising preparing the growth factor transduced cells ...

Vascularized Porous Metal Orthopaedic Implant Devices

An osteoconductive vascularized porous metal implant device and method for implanting the vascularized device are described herein. The vascularized implant device comprises an implant which is porous titanium, tantalum or other metal which is biocompatible with the mammalian body and at least one vascular conduit which connects the porous implant to an animal vasculature, such as a human vascular system. 1. A method of performing an orthopedic surgery to connect bone surfaces , the method comprising connecting a porous metal implant device with the vascular system of a host receiving implantation of the device , the device comprising:a rigid porous metal implant which is biocompatible with the mammalian body; andat least one implantable inlet vascular conduit comprising a biocompatible polymer, the inlet vascular conduit having first and second ends and is arranged and configured to supply blood into the implant and to connect the porous implant to a mammalian vascular system,the porous metal implant having internal voids which form at least 50% by volume percent of the implant, and the at least one vascular conduit providing blood flow into the porous metal implant by having the inlet vascular conduit extend into and below an outer surface of the porous metal implant to effect blood flow from a vascular system of a host receiving implantation of the device into internal portions of the porous metal implant, the blood flow effected by the vascular system of the host receiving implantation of the device after implantation, wherein the first end of the inlet vascular conduit is connected to a blood vessel and the second end of the inlet vascular conduit is below an outer surface of the rigid metal implant.2. The method of claim 1 , wherein the metal of the implant is selected from the group consisting of porous titanium claim 1 , porous titanium-alloy claim 1 , porous tantalum and porous tantalum-alloy implant claim 1 , the metal implant having pores of about 300 nm ...

Expandable inter-body fusion devices and methods

An expandable inter-body fusion device is presented. The expandable inter-body fusion device has a first plate and a second plate that can be manipulated to change the height and angle of lordosis. Also presented is a method of using an expandable inter-body fusion device in an inter-body fusion procedure, and a method of using an expandable trial to size the correct expandable inter-body fusion device for use in the aforementioned procedure.

VASCULARIZED BIPHASIC TISSUE CONSTRUCTS

Biphasic tissue constructs that include a scaffold having one or more channels, a vascular portion comprising a hydrogel at least partially disposed in the one or more channels, and a first bioactive growth factor and a second bioactive growth factor different from the first bioactive growth factor, the first bioactive growth factor localized to the scaffold and the second bioactive growth factor localized to the vascular portion. The first bioactive growth factor may be bone morphogenetic protein 2 (BMP2) peptide and the second bioactive growth factor may be vascular endothelial growth factor (VEGF) peptide. 1. A biphasic tissue construct comprising:a scaffold having one or more channels;a vascular portion comprising a hydrogel, the vascular portion at least partially disposed in the one or more channels; anda first bioactive growth factor and a second bioactive growth factor different from the first bioactive growth factor, the first bioactive growth factor localized to the scaffold and the second bioactive growth factor localized to the vascular portion.2. The biphasic biomimetic tissue construct according to claim 1 , wherein the first bioactive growth factor is bone morphogenetic protein 2 (BMP2) peptide and the second bioactive growth factor is vascular endothelial growth factor (VEGF) peptide.3. The biphasic tissue construct according to claim 2 , wherein the bone morphogenetic protein 2 (BMP2) peptide is immobilized on a surface of the scaffold.4. The biphasic tissue construct according to claim 1 , wherein the scaffold comprises biodegradable polylactic acid (PLA) fibers claim 1 , polycaprolactone (PCL) claim 1 , poly(lactic-co-glycolic acid) (PLGA) claim 1 , and any combination thereof.5. The biphasic tissue construct according to claim 4 , wherein the scaffold is coated with polydopamine (pDA).6. The biphasic biomimetic tissue construct according to claim 1 , wherein the scaffold comprises a material having a compression modulus from about 0.03 to about 0 ...

CERAMIC SURFACE ARTHROPLASTY SYSTEM

The invention relates to a ceramic surface arthroplasty system, which consists of a convex, hemispherical, metallic implant () and a hollow hemispherical metal implant (). The implants are coated with porcelain or zirconium oxide layer on their friction surfaces to avoid the creation of metallic microparticles. The convex implant () has a navel () on the thread () of which a bone-piercing pre-tensioning needle () is screwed and is tightened with a washer () at the area of the major trochanter or bulge. Further, it has protruding ribs () immersed on the surface of the head. 115416793. A ceramic surface arthroplasty system , consisting of a convex , hemispherical metallic implant () with a metal surface , on the inner surface of which there are meridian protruding ribs () and a navel () at the implant pole () , with a female thread () on which a pretensioning needle () is screwed , which intersects the neck of the bone and is tightened in the area of the major trochanter or bulge using a nut-washer () set , and a hollow hemispherical metal implant () with a metal surface , characterized in that both implants are coated with porcelain or zirconium oxide on the adjacent surfaces.2138. A ceramic surface arthroplasty system claim 1 , according to claim 1 , characterized in that the inner side of the convex hemispherical metal implant () and the outer side of the hollow hemispherical metal implant () are covered with a porous metal layer () to achieve osteointegration with the corresponding bones. The invention relates to the field of surgical instruments, devices or methods, and more particularly to artificial substitutes or replacements for parts of the body, and more particularly to implants for hip joint at the point of the femoral head, for replacement only of the epiphyseal sections of femur and acetabulum, without cutting off the entire natural femoral head.The ceramic surface arthroplasty system disclosed in the present invention has not been disclosed in the prior ...

Cartilage Mosaic Compositions and Methods

Compositions comprising a cartilage sheet comprising a plurality of interconnected cartilage tiles and a biocompatible carrier are provided. Methods of manufacturing cartilage compositions comprising a cartilage sheet comprising a plurality of interconnected cartilage tiles are also provided.

SPINAL IMPLANTS AND RELATED INSTRUMENTS AND METHODS

Apparatus and systems relating to spinal implants and instruments for installing such implants. In some embodiments, the system may comprise a spinal implant, an inserter, an intermediary piece, and/or an installation rod. The spinal implant may comprise an at least partially threaded opening configured to receive the installation rod. The opening may be positioned within a fixed wall of the spinal implant, and the opening may comprise a peripheral edge defined by the wall of the spinal implant. 1. A spinal implant , comprising:a first sidewall;a second sidewall opposite from the first sidewall;an upper surface configured for engaging a first vertebra;a lower surface configured for engaging a second vertebra adjacent to the first vertebra;a first end wall joining the first sidewall and the second sidewall at a first end of the spinal implant;a second end wall joining the first sidewall and the second sidewall at a second end of the spinal implant opposite from the first end, wherein the second end wall defines a second end wall surface;at least one of a recess and a protrusion formed in the second end wall; andan opening positioned within the second end wall, wherein the opening comprises a threaded region formed within an integral portion of the spinal implant so as to be fixed relative to the second end wall, wherein the opening is defined by an external peripheral edge formed in the second end wall of the spinal implant and by an internal peripheral edge opposite from the external peripheral edge, wherein the threaded region is spaced apart from the second end wall surface, wherein the threaded region is spaced apart from the external peripheral edge and internal to the external peripheral edge, and wherein the threaded region is spaced apart from the internal peripheral edge such that the threaded region is spaced apart from both opposing ends of the opening.2. The spinal implant of claim 1 , wherein the spinal implant further comprises an expanded region within ...

TOTAL JOINT REPLACEMENT INFECTION CONTROL DEVICES AND METHODS

An orthopedic system for delivery of a therapeutic agent to a bone includes an elongate stem adapted to be inserted into an intramedullary canal, an inlet configured to receive the therapeutic agent, and one or more outlets configured to deliver the therapeutic agent to the bone. The elongate stem may comprise one or more protrusions to engage the bone, and one or more channels extending longitudinally therein, fluidly coupled to the inlet. The therapeutic agent flows from the inlet through the one or more channels and exits into the intramedullary canal through the one or more outlets. The system may be configured to allow one or more dimensions of the system to be adjusted to accommodate the anatomy of a patient. 1. A therapeutic agent delivery system , said system comprising:a first intramedullary stem configured to be disposed in a first medullary canal of a first bone, the first stem comprising:an elongate body having a longitudinal axis, a first end, a second end opposite the first end, and a channel extending between the first end and the second end;a plurality of protrusions extending radially outward from the elongate body, wherein adjacent protrusions define one or more fluted regions therebetween, andwherein the plurality of protrusions are configured to engage the first medullary canal in a stable fashion, and wherein one or more outlet holes are disposed in the one or more fluted regions, the one or more outlet holes in fluid communication with the channel;a second intramedullary stem configured to be disposed in a second medullary canal of a second bone, the second stem comprising:an elongate body having a longitudinal axis, a first end, a second end opposite the first end, and a channel extending between the first end and the second end;a plurality of protrusions extending radially outward from the elongate body, wherein adjacent protrusions define one or more fluted regions therebetween, andwherein the plurality of protrusions are configured to ...

Stemless Shoulder Implant With Button Lock

A system for shoulder repair includes a prosthetic stemless shoulder implant including a base member extending along a longitudinal axis from a first side to a second side. The second side adapted to engage bone of a patient. The base member defines a hole that extends along the longitudinal axis and through the second side of the base member for receiving a flexible member therethrough. The system includes a fixation construct including a first fixation device and a second fixation device, the first and second fixation devices connected by the flexible member. While the first fixation device is positioned outside of the second side of the base member and the second fixation device is positioned within the base member, the flexible member is adapted to tension the first fixation device with respect to the second fixation device.

BONE PLATE STABILIZATION SYSTEM AND METHOD FOR ITS USE

A bone stabilization plate system. The bone stabilization plate system includes a base plate configured to fit primarily between an anterior portion of a first bone's lip osteophyte and an anterior portion of a second, adjacent bone's lip osteophyte. The bone stabilization plate system includes a plurality of bone screws configured to fit in respective bone screw holes in the base plate to secure the base plate. 1. A bone stabilization plate system comprising:a base plate having a top surface, first and second ends, a bottom surface, and a plurality of bone screw holes, wherein the base plate is sized to fit primarily between anterior portions of adjacent vertebral bones' lip osteophytes and is configured to bear weight to hold the bones while sharing weight with bone graft material for fusion; anda plurality of bone screws configured to fit in the plurality of bone screw holes, respectively;wherein one of the bone screw holes is configured to receive one of the bone screws to secure the base plate to one of the vertebral bones;wherein another of the bone screw holes is configured to receive one of the bone screws to secure the base plate to the lip osteophyte of another of the vertebral bones; andwherein each and every one of the plurality of bone screw holes is configured to receive one of the bone screws angled relative to the base plate and oriented generally in an anterior-posterior direction through the top surface of the base plate.2. The system as set forth in claim 1 , wherein at least one of the plurality of bone screw holes is configured to permit a range of bone screw angles.3. The system as set forth in claim 1 , wherein the bottom surface of the base plate is generally flat.4. The system as set forth in claim 1 , wherein the system further comprises a screw retainer configured to prevent at least one of the plurality of bone screws from backing out.5. The system as set forth in claim 4 , wherein the screw retainer is a plate or a screw.6. The system as ...

SYSTEMS AND METHODS FOR KNEE ARTHROPLASTY

A patella implant for knee arthroplasty includes a cap and a base. The cap has an articulating surface and a plurality of first connection members. The base is to be attached to the backside of a patella of a patient. The base includes a cap support mounted to the cap. The cap support includes a plurality of first connection recesses. Each first connection member of the cap is disposed in a corresponding one of the first connection recesses of the cap support to mount the cap to the base.

Post-Operative Bone Growth Stimulant Introduction Method

A method of revising a patient having a fusion cage implanted within a spinal column, involving percutaneously delivering a first end of a tube to the spinal column, fluidly connecting the first end of the tube to the fusion cage, and delivering a bone growth agent into the fusion cage through the tube. 1. A method of revising a patient having a fusion device having a cavity implanted within a spinal column , comprising the steps of:a) making an incision in the patient,b) delivering through the incision a distal end of a tube to the spinal column,c) fluidly connecting the distal end of the tube to the cavity of the fusion device, andd) delivering a bone growth agent into the cavity of the fusion device through the tube.2. The method of further comprising claim 1 , between steps c) and d) claim 1 , the step ofe) removing tissue from the cavity of the fusion device.3. The method of wherein tissue removal is accomplished with lavage.4. The method of wherein claim 1 , in step c) claim 1 , the tube connects to a port on the fusion device.5. The method of wherein the port is associated with a radiographic marker.6. The method of further comprising claim 1 , before step d) claim 1 , the step of:e) fluidly connecting a bone growth transfer apparatus containing a bone growth agent to a proximal end of the tube.7. The method of further comprising claim 1 , before step a) claim 1 , the step of:e) radiographically locating the fusion device within the patient.8. The method of wherein step e) includes radiographically aligning a pair of radiopaque rings located in the fusion device.9. The method of further comprising the step of:e) altering a component of the fusion device.10. The method of wherein the alteration is carried out by a step selected from the group consisting of exchanging the component claim 9 , manipulating the component claim 9 , adjusting the component claim 9 , adding a component claim 9 , and removing a component.11. The method of further comprising the step ...

Apparatuses for Distal Fibula Replacement, and Related Methods

Apparatuses for distal fibula replacement and related methods are described herein. The apparatus generally includes an implantable stem component including a proximal portion that is contoured to have an anterior overlap with a portion of a fibula bone of a patient, and a distal portion that defines a first channel configured to receive a peronaeus brevis tendon and a further defines second channel configured to receive a peronaeus longus tendon. Related methods include placing such an apparatus on the portion of the fibula bone of the patient. 1. An apparatus for distal fibula replacement in a patient , the apparatus comprising:an implantable stem component comprising a proximal portion and a distal portion;wherein the proximal portion is contoured to form an anterior overlap for engaging with a portion of a fibula bone;wherein the distal portion defines a first channel positioned and contoured to operatively receive a peronaeus brevis tendon, and the distal portion further defines a second channel positioned and contoured to operatively receive a peronaeus longus tendon; andwherein the proximal portion defines one or more holes, each of the one or more holes configured to direct a respective connector when extending therethrough so as to affix the proximal portion to the portion of the fibula bone when installed on a patient, and wherein the apparatus further defines one or more apertures, each aperture configured to direct a respective connector when extending therethrough so as to affix the apparatus to a syndesmosis when the apparatus is installed on the patient.2. The apparatus of claim 1 , wherein the proximal portion is an elongated body.3. The apparatus of claim 1 , wherein the first channel includes a posterior inlet and an anterior outlet.4. The apparatus of claim 3 , wherein the second channel includes a posterior inlet and an anterior outlet.5. The apparatus of claim 1 , wherein each of the one or more apertures is configured to direct its respective ...

MEDICAL DEVICES INCLUDING TITANIUM SURFACE TREATMENT

A surgical implant having a surface treatment which contains primary cavities and secondary cavities. The primary cavities are larger than the secondary cavities and the primary cavities have an average length ranging from 20-500 micrometers. The surface treatment includes recasted material adjacent to a plurality of the primary cavities. 1. A surgical implant comprising:a body sized and configured to be inserted in a disc space, the body comprising an upper surface and a lower surface, wherein at least one of the upper surface and lower surface comprises a surface treatment which contains primary cavities and secondary cavities, the primary cavities being larger than the secondary cavities, wherein the primary cavities have an average length ranging from 20-500 micrometers, and wherein the surface treatment comprises recasted material adjacent to a plurality of the primary cavities.2. The surgical implant of claim 1 , wherein one or more of the primary cavities is completely spherical.3. The surgical implant of claim 1 , wherein one or more of the primary cavities is formed of two or more conjoined spherical portions.4. The surgical implant of claim 1 , wherein the recasted material is adjacent to at least 80% of the primary cavities claim 1 , and wherein the recasted material encircles the entire perimeters of at least 50% of the primary cavities.5. The surgical implant of claim 1 , wherein the recasted material has an average height of 1-100 micrometers claim 1 , the primary cavities have an average depth of 19-499 micrometers from a surface of the implant claim 1 , and the secondary cavities have an average depth of 5 nanometers to 10 micrometers.6. The surgical implant of claim 1 , wherein the implant comprises at least one selected from the group consisting of an implantable grade metal claim 1 , metal alloy claim 1 , or metal oxide.7. The surgical implant of claim 1 , wherein at least some of the primary cavities are barbell shaped.8. A surgical implant ...

System for Articular Surface Replacement

A system for replacing a portion of an articular surface including providing an implant site and installing an implant into the implant site. The implant site includes a first and a second excision site which at least partially intersect with one another. Each of the first and second excision sites are formed by providing a respective axis and excising a portion of the articular surface relative to the respective axes. 1. A method of replacing a portion of an articular surface comprising:forming a first excision site relative to a first axis relative to said articular surface;forming a second excision site relative to a second axis relative to said articular surface, at least a portion of said second excision site intersecting at least a portion of said first excision site; andinstalling an implant at least partially in said first and second excision sites, said implant having a load bearing surface comprising a contour based on an original contour of said articular surface.2. A method according to claim 1 , wherein said implant site is formed in a femoral articular surface.3. A method according to claim 1 , wherein said first axis is defined by providing a guide pin extending from said articular surface.4. A method according to claim 3 , wherein providing said guide pin extending from said articular surface comprises providing a hole extending into said articular surface and disposing said guide pin at least partially in said hole and extending from said articular surface.5. A method according to claim 1 , wherein forming said first excision site comprises excising said articular surface along a circular excision path around said first axis.6. A method according to claim 5 , wherein at least a portion of said circular excision path extends radially from said first axis beyond said articular surface.7. A method according to claim 1 , wherein said first axis is oriented normal to said articular surface at a point of intersection with said articular surface.8. A ...

Femur Supporting Device

A femur supporting device includes a femoral stem having a plurality of inclined passages. The femoral stem includes an inner side and an outer side. Each inclined passage includes an outlet in the inner side and an inlet in the outer side. Each inclined passage inclines upward from the inlet to the outlet. A plurality of supporting rods extends through the inclined passages. A first engaging end of each supporting rod extends out of the outlet of one of the inclined passages. A second engaging end of each supporting rod extends out of the inlet of one of the inclined passages. The first engaging end of each supporting rod is engaged with one of a plurality of first engaging portions in a trochanter head. The second engaging end of each supporting rod is engaged with one of a plurality of second engaging portions of a fixing unit.

Angulating Bone Plate

An angulating spinal plate assembly for fixation and/or support of bones of the spinal column is provided. The angulating bone plate includes interleaved, arcuate sheets that facilitate relative motion between first/second elements. An implant assembly is also provided that includes an angulating bone plate and associated first/second intervertebral plates that extend therefrom. The angulating bone plate generally includes an interleaved elements, e.g., an upstanding tab that cooperates with opposing faces of an opening, that permit rotational movement as between first/second implant elements until a desired relative orientation is achieved. At such time, a fixation/locking element is generally employed to fix the first/second implant elements relative to each other. The rotational movement permitted is generally in multiple planes based on the cooperative arcuate surfaces provided in the disclosed elements, i.e., side-to-side and top-to-bottom freedoms of movement. 1. A spinal plate , comprising:a. first and second elements that define spaced sheets that are configured and dimensioned to interleave relative to each other; andb. a fastening mechanism for fixing the first and second elements relative to each other.2. The spinal plate according to claim 1 , wherein the first and second elements define arcuate geometries.3. The spinal plate according to claim 1 , wherein the fastening mechanism includes apertures that extend at least in part through at least one of the first and second elements.4. The spinal plate according to claim 3 , wherein the fastening mechanism further includes a fastening member adapted to fix the first element relative to the second element.5. The spinal plate according to claim 1 , further comprising one or more structural elements that are adapted to facilitate connection of the spinal plate relative to an implant.6. In combination claim 1 , a spinal plate according to and an implant connected relative thereto.7. The combination according to ...

INTERBODY CAGE WITH SPILL-FREE BIOLOGICAL MATERIAL COMPARTMENT

Interbody cages for spinal stabilization having a frame that surrounds a central compartment suitable for retaining biological material, such as bone graft material. The central, compartment acts as a spill-free bone and biologic compartment that allows a surgeon to introduce the interbody cage into the body in an effective manner without spilling the biological material. Methods for introducing the interbody cages are disclosed. 1. An interbody cage for spinal stabilization comprisinga) a frame that surrounds a central compartment, the frame comprising a top face and a bottom face, the top face comprising one or more top openings, and the bottom face comprising one or more bottom openings,b) a cover that covers the one or more bottom openings, the cover comprising one or more apertures suitable for retaining biological material, andc) a removable cover configured to be removably secured to the top face of the frame such that the removable cover covers the one or more top openings when secured to the top face of the frame, the removable cover comprising one or more apertures suitable for retaining biological material,wherein the top face of fame is con gored to receive the removable cover.2. The interbody cage for spinal stabilization of claim 1 , wherein at least one of the cover and the removable cover comprises mesh.3. The interbody cage for spinal stabilization of claim 1 , wherein at least one of the cover and the removable cover comprises flexible mesh.4. The interbody cage for spinal stabilization claim 1 , wherein at least one of the cover and the removable cover is convex.5. The interbody cage for spinal stabilization of claim 1 , wherein the frame further comprises at least one vertical face claim 1 , wherein the at least one vertical face comprises one or more apertures suitable for retaining biological material.6. The interbody cage for spinal stabilization of claim 5 , wherein the at least one vertical face comprises mesh.7. The interbody cage for ...

MEDICAL IMPLANT HAVING AN ANCHORING SYSTEM AND METHOD OF USE THEREOF

A medical implant having an anchoring system for anchoring and retaining the medical implant (such as a cage) in place and method of use thereof. The implantable intervertebral device can be used with any interchangeable combination of (a) anchors and (b) screws (i.e., the surgeon/practitioner can use the same medical implant and elect which combination of anchors and screws to use for anchoring purposes). The medical implant can be placed between the vertebrae and a tool be utilized to secure and anchor the medical implant in place. 1. A medical implant system comprising:(a) a plurality of fasteners comprising screws and/or anchors; '(i) each of the openings in the plurality of openings is capable of interchangeably receiving a screw or an anchor from the plurality of fasteners;', '(b) a receiving member body having a plurality of openings, wherein'}(c) anchor system instrumentation that is operable for rigidly attaching to the receiving member body resulting in the anchor system instrumentation being perpendicular to a midline of the receiving member body; and (i) each opening in the plurality of openings has at least one locking mechanism located nearby,', '(ii) each of locking mechanism in the plurality of locking mechanisms is capable of being moved with an instrument between an open position and a closed position relative to the opening nearby the locking mechanism,', '(iii) when the locking mechanism is in the open position, the locking mechanism does not cover any portion of the opening nearby the locking mechanism such that the fastener can be passed through the opening to secure the fastener into bone;', '(v) when the locking mechanism is in the closed position, a portion of the locking mechanism covers a portion of the opening such that the fastener cannot pass through the opening, such that the fastener is prevented from becoming unsecured from the bone., '(d) a plurality of locking mechanisms connected to the receiving member body, wherein'}2. The ...

Pivoting Vertebral Plate

A surgical system includes an implant having a first attachment mechanism and an insertion instrument having a proximal end, a distal end, and a second attachment mechanism disposed at the distal end for removable connection with the first attachment mechanism. The proximal end of the insertion instrument is pivotable with respect to the implant. The insertion instrument can include an inserter and a guide. A method of using the surgical system is provided. 1. A method of using a surgical system comprising the steps of:removably attaching an insertion instrument to an implant,manipulating the insertion instrument to guide the implant, andpivoting a proximal end of the insertion instrument with respect to the implant to guide the implant into its final positioning.2. The method of claim 1 , wherein the insertion instrument includes an inserter and a guide claim 1 , and the step of removably attaching includes removably attaching the guide to the implant and removably attaching the inserter to the guide.3. The method of further comprising inserting a screw through a screw hole of the implant.4. The method of claim 3 , wherein inserting the screw includes inserting the screw through an aperture of the guide aligned with the screw hole of the implant.5. The method of claim 2 , further comprising removing the insertion instrument from the guide with the implant at least temporarily anchored to the adjacent vertebra.6. The method of claim 2 , wherein the step of pivoting includes pivoting the inserter with respect to the guide about a junction between the inserter and the guide.7. The method of claim 2 , wherein the step of removably attaching includes removably attaching two clips of the insertion instrument to pivotally grasp a pin of the guide.8. The method of claim 7 , further comprising moving a sleeve of the insertion instrument from an unlocked position in which the sleeve is disengaged from the clips and the clips can move apart from one another to a locked ...

Customized Implants For Bone Replacement

The present invention relates to customized implants for bone replacement that are prepared from poly(ether ketone ketone) or PEKK, and to a computer-based imaging and rapid prototyping (RP)-based manufacturing method for the design and manufacture of these customized implants. The PEKK customized implants made using rapid prototyping demonstrate biomechanical properties similar (if not identical) to that of natural bone even when prepared without the use of processing aids such as carbon black and aluminum powder. 1. A method of forming an implant for use in a mammal , the method comprising the steps of:providing a model of an implant;providing a powder comprising polyetherketoneketone (PEKK) and excluding calcium phosphate;forming the implant by selective laser sintering the powder in accordance with the model of the implant.2. The method of claim 1 , wherein the step of forming the implant by selective laser sintering comprises the steps of:applying a layer of the powder on a bed of a laser sintering machine;solidifying selected points of the applied layer of powder by irradiation in accordance with a corresponding layer of the model;successively repeating the step of applying the powder and the step of solidifying the applied layer of powder until a plurality of cross sections of the implant are solidified.3. The method of claim 2 , wherein the selective laser sintering further comprises the step of:maintaining a bed temperature between 280 degrees Celsius and 350 degrees Celsius during the successive steps of powder application and solidification.4. The method of claim 2 , wherein the powder comprises a semi-crystalline PEKK powder having a crystallinity between 15% and 90% as determined by DSC and an average particle size between 10 to 150 microns.5. The method of claim 4 , wherein the powder has a crystallinity between 15% and 35% as determined by DSC and an average particle size between 50 to 70 microns.6. The method of claim of claim 2 , wherein the powder ...

MODULAR VARIABLE ANGLE BLADE AUGMENT

A modular variable blade augment including an augment component and a blade component. The blade component includes a buttress portion and a neck portion, with the neck portion having a body segment and a face segment that is contoured for mating engagement with an outer surface of the acetabular shell. The augment component has a first opening sized and shaped to receive insertion of the body segment, and which is also sized to accommodate selective adjustment of linear and angular orientations of the blade component relative to the augment component when the body segment is positioned in the first opening. Additionally, the body segment has a length that is sized to facilitate direct contact of the face segment with the acetabular shell when the modular variable blade augment is in an assembled configuration. Further, cement can be injected into the internal cavity to unitize the connection between the acetabular shell and the blade component. 1. An acetabular system comprising:an acetabular shell; and a first component including an outer wall, an internal cavity, and an opening formed in the outer wall, the opening being in communication with the internal cavity, the opening defined by an upper wall, a lower wall, a first sidewall, and a second sidewall; and', 'a second component including a projection extending therefrom, at least a portion of the projection being arranged and configured to be received through the opening and into the internal cavity so that an angular orientation of the second component is adjustable relative to the first component;', 'wherein at least the first and second sidewalls are arranged and configured to increase at least a portion of a size of the opening., 'a modular augment including2. The acetabular system of claim 1 , wherein the opening is sized to enable at least a portion of the projection to pass through the opening and into the internal cavity.3. The acetabular system of claim 1 , wherein claim 1 , in use claim 1 , at least ...

BONE STRUCTURE COUPLING SYSTEMS AND METHODS OF USE

Bone structure coupling devices and methods are provided herein. An example method includes positioning a tubular retraction guide body into a patient, the tubular retraction guide body having two prongs that are positioned in a joint between two adjacent bone structures, creating a hemispherical groove on each of the two adjacent bone structures using a drill bit passed through the tubular retraction guide body, incising out the hemispherical grooves with a broach passed through the tubular retraction guide body, and inserting a graft body having a generally rectangular cross sectional area into the angular grooves to couple the two adjacent bone structures together. 1. A device , comprising:a graft body comprising a generally rectangular cross sectional area, a first end, and a second end, the graft body comprising a plurality of rows of teeth;a head extending from the first end of the graft body; andan adaptor extending from the second end, the adaptor being spaced apart from a last of the plurality of rows of teeth to form an inserter device groove, the adaptor terminating with an inserter device interface, wherein the inserter device interface is configured to mate with an adaptor interface of an inserter device, wherein the plurality of rows of teeth are oriented so as to prevent migration or ejection of the graft body when inserted into a pilot hole created in adjacent bone structures.2. The device according to claim 1 , wherein the graft body comprises one or more apertures that provide a pathway for bone growth through the graft body.3. The device according to claim 1 , wherein a first portion of the plurality of rows of teeth are oriented in a first direction and a second portion of the plurality of rows of teeth are oriented in a second direction that is opposite of the first direction claim 1 , the first portion of the plurality of rows of teeth being configured to remove bone as the graft body is inserted into the pilot hole claim 1 , the second portion ...

SYSTEM AND METHOD TO FUSE BONE

An implant is provided that is operable to be disposed between and fuse two sections of a bone. The implant includes a material that is operable to abut against the two sections of the bone. The material is porous and/or fibrous and is operable to receive at least one cellular growth factor. 1. An implant operable to be disposed between and fuse two sections of a bone , the implant comprising:a material operable to abut against the two sections of the bone, the material being porous and/or fibrous and operable to receive at least one cellular growth factor.2. The implant of claim 1 , further comprising an inner layer and an outer layer claim 1 , wherein the inner layer and the outer layer are both made of the material claim 1 , wherein the outer layer includes a first portion and a second portion claim 1 , the inner layer is sandwiched between the first and second portions of the outer layer.3. The implant of claim 2 , wherein the outer layer is wrapped around a circumference of the inner layer.4. The implant of claim 1 , wherein the material includes at least a portion of at least one of the following: cortical bone fibers claim 1 , cancellous bone fibers claim 1 , collagen sponge claim 1 , cortical bone graft claim 1 , synthetic bone claim 1 , and/or tissue graft.5. The implant of claim 1 , wherein the at least one cellular growth factor includes bone morphogenetic proteins claim 1 , mesenchymal stern cells claim 1 , blood claim 1 , osteoclasts claim 1 , osteoblasts claim 1 , antibiotics claim 1 , analgesics claim 1 , and/or medications.6. The implant of claim 1 , wherein the material is fenestrated to promote bony ingrowth.7. The implant of claim 1 , wherein the implant has a thickness between about 2 millimeters and about 100 millimeters.8. The implant of claim 1 , wherein the implant has a length between about 25 millimeters and about 250 millimeters.9. The implant of claim 1 , wherein the implant has a depth between about 1 millimeter and about 30 millimeters. ...

Spinal fusion implant

An implant may include a housing and a blade having a retracted position in the housing and an extended position where the blade extends outwardly from the housing. The implant also includes a blade actuating component, the blade actuating component comprising a driven shaft portion. The blade actuating component is configured to move the blade between the retracted position and the extended position. The housing may include a chamber portion receiving a portion of the driven shaft portion of the blade actuating component. The driven shaft portion may include an opening and a blocking pin received within the opening. In a first position, the blocking pin limits insertion of the blade actuating component. In a second position, the blade actuating component is unrestricted by the blocking pin.

EXPANDABLE INTERBODY IMPLANT

An intervertebral implant that can be surgically introduced between adjacent vertebrae and expanded in situ to occupy an optimal space between the vertebrae. The implant is inserted into the evacuated disc space obliquely and then oriented so as to extend laterally across the anterior adjacent vertebrae with its outer ends of the implant supported by the cortical rims on the opposite sides of the vertebrae. The implant has two body members with a space therebetween so the implant may be then distracted and a spacer of predetermined thickness that may be inserted within the space between the body members so as to maintain a desired amount of distraction. The upper and lower surfaces of the implant may have a desired lordotic angle. A method of using an implant is disclosed which permits endoscopic visualization of the disc space. 1. An expandable spinal implant for insertion in a disc space between two adjacent vertebrae bodies to be fused together by bone graft material placed in said disc space , said vertebrae bodies each having a cortical rim and an end plate within said cortical rim , said disc space being substantially defined by an annulus attached to said adjacent vertebrae bodies and by the endplates of said adjacent vertebrae bodies , said implant comprising an elongate body having a height and a width such that said implant may be inserted into the disc space through an incision in a posterior portion of the annulus , said implant having a length such that with said implant positioned within said disc space the implant may be oriented to extend across the disc space so that said implant is at least in part supported on said cortical rim of at least one of said vertebrae bodies , said implant having a lower body member and an upper body member each of which is adapted to be cooperable with a distractor for distraction of said body members while said implant is within said disc space so as to effect distraction of said disc space , said implant further ...

ORTHOPEDIC STABILIZATION DEVICES AND METHODS FOR INSTALLATION THEREOF

Embodiments herein are generally directed to spinal implants for use in orthopedic stabilization assemblies. In some embodiments, these implants may be used in conjunction with laminoplasty or laminectomy procedures. 1. A spinal implant assembly comprising:an anchor assembly adapted to be fixed to one part of a bone;an articulating clamp assembly adapted to be attached to a spinous process of the bone; anda translateral support adapted to be connected between the anchor assembly and the articulating clamp assembly.2. The spinal implant assembly of claim 1 , wherein the articulating clamp assembly includes:a clamp rod;an articulating jaw coupled to one side of the clamp rod; andan opposing jaw coupled to the other side of the clamp rod.3. The spinal implant assembly of claim 2 , wherein the articulating jaw articulates about an axis transverse to a longitudinal axis of the clamp rod.4. The spinal implant assembly of claim 1 , wherein the articulating clamp assembly includes a collar having a curved inner surface to define a conduit for receiving an enlarged portion of the translateral support.5. The spinal implant assembly of claim 4 , wherein the curved inner surface includes at least a partially spherical surface to pivotally receive the enlarged portion of the translational support.6. The spinal implant assembly of claim 1 , wherein the translational support includes a rod having an enlarged spherical portion adapted to be pivotally received in the articulating clamp assembly.7. The spinal implant assembly of claim 2 , wherein the opposing jaw is slidably disposed on the clamp rod.8. The spinal implant assembly of claim 7 , wherein:the clamp rod includes a ratcheting surface and a sliding surface circumferentially disposed from the ratcheting surface; andthe opposing jaw includes ratcheting protuberances such that in a locked state, the ratcheting protuberances engage the ratcheting surface of the clamp rod to prevent a sliding movement of the opposing jaw ...

Spinal Fusion Cage System with Inserter

The present disclosure relates to a spinal fusion impactor tool that includes an attachment means for securing an implant device to the distal end of the tool, a means for adjusting the angle of the distal head relative to the handle to better position the implant for introduction into the implant site, means for remotely releasing the implant device at the distal end and a clamp device on the shaft of the tool to secure tabs, attachments and other devices. The impactor tool is preferably used in conjunction with implantation of an intervertebral fusion cage that is equipped with shims having tabs or other removing means, but may also be used to introduce, for example, an implant, graft, fusion device, wedge or distractor device into any joint space or bony region in preparation for implantation. 1. A surgical system comprising:an inserter for retaining an intervertebral fusion cage in a rotationally secure state, the inserter reversibly connected to the intervertebral fusion cage having a frame that comprises a top wall, a bottom wall, a leading end, a trailing end, and a pair of lateral walls, the intervertebral fusion cage having a hollow interior and an exterior, and the top wall and the bottom wall each have at least one opening allowing for fluid communication between the hollow interior and an exterior of the cage, said cage configured for receiving in its interior a fusion promoting material comprising bone graft material, for placement within the hollow interior of the fusion cage; andwherein said inserter comprises a rigid shaft that has a diameter of from between about 4 mm to 5 mm, with the length of the inserter being sufficient to be inserted into an operating cannula for performing minimally invasive surgery on a human spine, said rigid shaft having a first portion and a second portion and a preset angle between said first portion and said second portion, said preset angle between the first portion and the second portion of the shaft being within the ...

Intervertebral implant with fixation geometry

An intervertebral spacer implant ( 80 ) is provided with a retention mechanism ( 86 ) to help alleviate expulsion and movement of the implant when placed in the spine while providing an implant that is easier to insert in the spine. In one embodiment the retention mechanism comprises a keel on at least one of the inferior or superior faces of the spacer implant preferably extending in an anterior-posterior direction. In another embodiment the implant comprises a spacer ( 84 ) and a plate ( 82 ), the plate comprising a supplemental or alternative retention mechanism. In one embodiment the retention mechanism comprises one or more holes ( 88 ) in the anterior end of the plate. In yet another embodiment, the retention mechanism comprises one or more blades that are in a first position when inserted and are preferably rotated to a second position that engages the superior and inferior vertebrae.

COMPOSITE POROUS INTERBODIES AND METHODS OF MANUFACTURE

A method of forming a composite titanium body for use in forming spinal implant interbodies includes selecting a metal alloy body, carving out a top portion and a bottom portion from the metal alloy body, and bonding a porous material to the carved-out top and bottom portions. Multiple pieces may be cut from the composite titanium body, each having a front face formed of the metal alloy, top and bottom portions formed of the porous material, and with a medial portion of the metal alloy extending from the front face to the back. Methods and devices for spinal interbodies having locking mechanisms to prevent bone screw back-out are also described. 1. A method of manufacturing a composite interbody , the method comprising:selecting a solid titanium body having a top side and a bottom side;carving out a portion of the top side of the solid titanium body to form a top portion void;carving out a portion of the bottom side of the solid titanium body to form a bottom portion void;diffusion bonding porous titanium to the top portion void;diffusion bonding porous titanium to the bottom portion void, the steps of diffusion bonding porous titanium to the top portion void and bottom portion void forming a composite titanium block; andcutting out a composite interbody from the composite titanium block.2. A composite interbody system comprising:a body having an anterior face and an opposing posterior face, a top portion and a bottom portion, with a medial portion extending through the body from the anterior face to the opposing posterior face; andthe anterior face formed of titanium alloy, the top portion and bottom portion formed of porous titanium, and the medial portion formed of titanium alloy.3. The composite interbody system of claim 2 , wherein the anterior face and medial portion are formed of a single piece of titanium alloy.4. The composite interbody system of claim 3 , wherein the porous titanium comprises sheets of porous titanium diffusion bonded together to form the ...

BONE TRABECULAR FUSION CAGE

A bone trabecular fusion cage for implanting into an intervertebral disc is disclosed. The fusion cage includes a bone trabecular housing made of titanium alloy powder material with trabecular housing accommodation space therein. 1. A bone trabecular fusion cage for implanting into an intervertebral disc for intervertebral fusion , comprising:{'b': 1', '14', '151', '15', '1', '1', '151', '2', '2', '14', '1', '151', '1, 'claim-text': {'b': 11', '16', '1', '21', '2', '211', '11', '11', '1', '211', '2', '1', '2', '11', '1', '211', '2', '11', '1', '1, 'wherein at least one protrusion () is provided on an inner wall () of the bone trabecular housing (), an outer wall () of the liner () is provided with at least one recess () matching with the protrusion (), and the protrusion () of the bone trabecular housing () is embedded in the recess () of the liner () to securely connect the bone trabecular housing () and the liner (); the protrusion () in the bone trabecular housing () is of beam-shape, and the recess () of the liner () has an interference fit with the beam-shaped protrusion () of the bone trabecular housing (); an appearance of the bone trabecular housing is a smooth transitional curvature, which gradually tapers from middle to both ends; the curvature of an outer contour of the bone trabecular housing () coincides with a cross-sectional curvature of a spinal vertebral body of a patient.'}, 'a bone trabecular housing () made of titanium alloy powder material with trabecular housing accommodation space () therein, wherein a plurality of pores () are provided at a side wall () of the bone trabecular housing (), and sclerotin grows into the bone trabecular housing () through the plurality of pores () to securely fix the bone trabecular fusion cage in the intervertebral disc; and a liner () made of polyether-ether-ketone material, wherein the liner () is fixed in the accommodating space () of the bone trabecular housing () and can be fused with the sclerotin grown ...

METHODS FOR ATTACHING ACETABULAR AUGMENTS TOGETHER OR TO ACETABULAR SHELLS

Systems and methods and augments for supporting an acetabular shell at a hip bone. An example system of modular augments can include first and second augments, each having a body extending from a respective first end portion to a respective second end portion. The first augment second end portion can include a first coupling element and the second augment first end portion can include a second coupling element. Together the first and second coupling elements can form a coupling mechanism to join the first and second augments together. In some examples, the coupling mechanism can include a bulbous tip portion and a recess to receive and retain the bulbous tip portion. 1. A system of modular augments for supporting an acetabular shell at a hip bone , the system comprising:a first augment; anda second augment,wherein each of the first and second augments has a body extending from a first end portion to a second end portion,wherein the first augment first end portion has a first coupling element,wherein the first augment second end portion has a second coupling element,wherein the second augment first end portion has a first coupling element,wherein the first augment second coupling element and the second augment first coupling element form a coupling mechanism to join the first augment and the second augment of the system of modular augments together,wherein one of the first augment second coupling element and second augment first coupling element comprises an extension having a bulbous tip portion and the other one of the first augment second coupling element and the second augment first coupling element comprises a recess to receive and retain the bulbous tip portion.2. The system of modular augments of claim 1 , wherein the bulbous tip portion is three-dimensionally rotatable within the recess to adjust an orientation of the first augment with respect to the second augment.3. The system of modular augments of claim 1 , wherein the bulbous tip portion is ...

CARTILAGE MOSAIC COMPOSITIONS AND METHODS

Compositions comprising a cartilage sheet comprising a plurality of interconnected cartilage tiles and a biocompatible carrier are provided. Methods of manufacturing cartilage compositions comprising a cartilage sheet comprising a plurality of interconnected cartilage tiles are also provided. 143- (canceled)44. A mosaic cartilage composition comprising:a 1 mm thick cartilage sheet comprising a plurality of interconnected cartilage tiles that are separated by channels formed in the cartilage sheet, each channel having a respective depth that is less than 1 mm, and wherein perforations are formed in the cartilage sheet beneath one or more of the channels; anda cryopreservation medium.45. The mosaic cartilage composition of claim 44 , wherein the cartilage that is beneath the channels has a thickness of less than 0.25 mm.46. The mosaic cartilage composition of claim 44 , wherein the perforations are microperforations.47. The mosaic cartilage composition of claim 44 , wherein the cartilage is articular cartilage.48. The mosaic cartilage composition of claim 44 , wherein the cartilage is non-decellularized cartilage.49. The mosaic cartilage composition of claim 44 , wherein the cartilage is from a human adult cadaveric donor age 15 years or older.50. The mosaic cartilage composition of claim 44 , wherein the cartilage is from a human juvenile cadaveric donor.51. The mosaic cartilage composition of claim 44 , wherein the tiles are square or rectangular in shape and uniform in size.52. The mosaic cartilage composition of claim 51 , wherein the cartilage tiles have an average length and width from about 0.5 mm to about 3 mm.53. The mosaic cartilage composition of claim 44 , wherein the cryopreservation medium comprises dimethyl sulfoxide (DMSO) and serum.54. The mosaic cartilage composition of claim 44 , wherein the cryopreservation medium comprises a cryoprotective agent claim 44 , the cryoprotective agent comprises at least one of glycerol claim 44 , DMSO claim 44 , ...

INTERSPINOUS IMPLANTS

The present invention provides a spinous process implant and associated methods. In one aspect of the invention, the implant includes a spacer that is connectable to two extensions. One of the two extensions is connectable to the spacer at a first end and coupled to the spacer by a rotational connection. The other of the two extensions is movably connectable to the second end of the spacer and translatable over the outer surface of the spacer from the second end. 1. An implant for placement between spinous processes of a spine comprising:a spacer comprising a first end with a first end terminal edge, and at least one first locking member disposed on a sidewall of the first end, a second end with a second end terminal edge, and an elongated slot extending from adjacent the first end to the second end terminal edge;a first extension comprising a superior lobe, an inferior lobe, a main body, and an aperture disposed in the main body for receiving the spacer, the first extension comprising at least one second locking member disposed on an inner sidewall of the aperture of the main body, that cooperatively engages the at least one first locking member upon rotation of the first extension relative to the spacer in a plane transverse to a longitudinal axis of the spacer to form a first mechanical lock to connect the first extension and the spacer; anda second extension comprising a superior lobe, an inferior lobe, and a span connecting the superior and inferior lobes, the second extension comprising a post extending into the elongated slot, the second extension and the spacer to form a second mechanical lock to connect the second extension to the spacer.2. The implant of claim 1 , wherein the first and second extensions comprise a medial surface and a lateral surface opposite the medial surface claim 1 , and at least one of the first and second extensions containing fenestrations between the medial surface and the lateral surface to facilitate tissue in-growth.3. The ...

Optical Image Vertebral Implant Cage and Reading System Therefor

An implant containing a structurally encoded region, the implant comprising an implant body defining adjacent first and second encoded regions, the first encoded region comprising a first series of shaped inclusions in a first pattern of relatively differing opacity figures, and the second encoded region comprising a second series of shaped inclusions in a second pattern of relatively differing opacity figures, the first and second encoded regions being disposed such that, when the first encoded region and second encoded regions are viewed by reading illumination from a position wherein the first pattern and second pattern overlap, a third pattern is revealed by the reading illumination, the third pattern being different than the first and second patterns, and comprising shape or surface characteristics representing structurally encoded data. The invention further comprises systems and methods of manufacturing, using and reading the same. 1. An implant comprising:an implant body comprising a structurally encoded portion comprising a first encoded region and a second encoded region adjacent to the first encoded region.2. The implant of claim 1 , wherein the first encoded region comprises a first series of inclusions arranged in a first pattern claim 1 , the second encoded region comprises a second series of inclusions arranged in a second pattern claim 1 , and the first and second patterns overlap so as to define a third pattern representing structurally encoded data.3. The implant of claim 2 , wherein the first and second patterns each comprise a plurality of shapes of varying opacity.4. The implant of claim 2 , wherein the structurally encoded data is discernable via a source of reading illumination.5. The implant of claim 2 , wherein the first pattern is relatively more or less opaque than a portion of the implant body.6. The implant of claim 2 , wherein the second pattern is relatively more or less opaque than a surrounding implant body.7. The implant of claim 2 ...

SPINAL IMPLANT WITH SURFACE PROJECTIONS

An interbody spacer for use in spinal procedures. The interbody spacer has one or more surfaces with a unique surface pattern. The interbody spacer is preferably designed for use as an intervertebral spacer in spinal fusion surgery, where portions of an affected disc are removed from between two adjacent vertebrae and replaced with an interbody spacer that provides segmental stability, may correct a deformity, and allows for bone to grow between the two vertebrae to bridge the gap created by disk removal. The interbody spacer has one or more unique surfaces designed to aid in bone growth and attachment. The unique surface comprises one or more surface projections, referred to generally as surface projection pattern or matrix, which can be arranged to form unique patterns and structures. 1. A surgical implant having a unique surface pattern comprising:an interbody spacer body having a distal end, a proximal end, an upper surface and a lower surface, said upper surface or said lower surface having a surface scaffold defined by a plurality of surface projections arranged to define one or more pores.2. The surgical implant having a unique surface pattern according to claim 1 , wherein said plurality of surface projections are irregularly shaped segments.3. The surgical implant having a unique surface pattern according to claim 1 , wherein said plurality of surface projections is linear segments arranged as a single unit.4. The surgical implant having a unique surface pattern according to claim 1 , wherein said plurality of surface projections are linear segments arranged as part of a group having several linear segments extending from a single focus point or area.5. The surgical implant having a unique surface pattern according to claim 1 , wherein said plurality of surface projections are linear segments arranged as a single linear segment which branches off into several additional linear segments.6. The surgical implant having a unique surface pattern according to ...

THREADED AUGMENTABLE ACETABULAR SHELL WITH AUGMENTS

An acetabular prosthesis is described that includes a shell having an outer surface and an inner surface, the outer surface defining an external shape. There is at least one through bore extending from the outer surface of the shell to the inner surface of the shell. At least one augment is configured to be positioned at least partially within the at least one through bore of the shell such that, in an assembled state, the shell and the at least one augment define a modified external shape. 116-. (canceled)17. A method for making an acetabular prosthesis , the method comprising:providing or obtaining a shell having an outer surface and an inner surface, the outer surface defining an external shape, and a plurality of through bores extending from the outer surface of the shell to the inner surface of the shell;providing or obtaining a plurality of augments of varying sizes or types that are configured to be positioned at least partially within and be attached to the plurality of through bores; andselecting at least one of the plurality of augments to position within at least one of the plurality of through bores in order to form a modified external shape.18. The method of claim 17 , wherein the at least one of the plurality of augments includes at least one through hole extending from an inner surface of the augment to an outer surface of the augment that is configured for receiving a bone fixation member.19. The method of claim 17 , further comprising:positioning the at least one of the plurality of augments within the at least one of the plurality of through bores.20. The method of claim 19 , further comprising:adjusting the at least one augment along a longitudinal axis of the at least one of the plurality of through bores of the shell in order to change an amount that the at least one augment extends beyond the outer surface of the shell.21. A method for assembling an acetabular prosthesis claim 19 , the method comprising:providing or obtaining an acetabular ...

VERTEBRAL IMPLANT, VERTEBRAL FASTENING DEVICE OF THE IMPLANT AND IMPLANT INSTRUMENTATION

This disclosure provides vertebral implants, fastening devices for vertebral implants, and implant instrumentation, and various combinations thereof. In some embodiments, the implant comprises a peripheral wall extending according to a vertical axis between upper and lower surfaces of the implant, with each such surface configured to be placed in contact with a vertebral structure, respectively, at the top and the bottom of the vertebral segment replaced by the implant. Some embodiments comprise fastening means, deployment of which anchors the implant in the lower and upper vertebral structures. Some fastening means may be deployed by sliding parallel to the vertical axis of the implant, and may comprise a plate with at least one part remaining in contact with the peripheral wall of the implant when deployed and a pointed end projecting from one of the upper and lower surfaces of the implant to enter a vertebral structures on completion of deployment. 1. (canceled)2. A corpectomy cage comprising:an upper housing including an upper vertebral contact surface adapted to engage a first vertebral end plate and a superior anchor hole extending from the upper vertebral contact surface to an inferior surface of the upper housing;a lower housing including a lower vertebral contact surface adapted to engage a second vertebral end plate and an inferior anchor hole extending from the lower vertebral contact surface to a superior surface of the lower housing;a cylindrical medial housing section connecting the upper housing and the lower housing;an upper anchor including a first cylindrical base plate slidably disposed around an upper portion of the cylindrical medial housing and a first helicoidal anchor extending superiorly from the first cylindrical base plate and adapted to engage the first vertebral end plate upon deployment through the superior anchor hole; anda lower anchor including a second cylindrical base plate slidably disposed around a lower portion of the ...

System and method to fuse bone

Systems and methods include a method to fuse two sections of bone. The method includes various operations such as accessing the chest cavity (e.g., by severing the sternum) and preparing the sternal edges of the two sections of bone. Sternal wires are implanted around the two sections of bone to create a cradle in a space between the two sections of bone. Cancellous bone tissue may be harvested from the patient and used to hydrate an implant before trimming the implant and/or placing the implant in the cradle. The sternal wires are tightened to compress the implant between the two sections of bone; and the ends of the sternal wires are tied together to create a sternal structure comprised of the implant tightly compressed between the two sections of bone. The sternal construct can act as a bone gasket to improve healing and fusing for the two sections of bone.

Expandable inter-body device, system and method

Expandable spinal implants, systems and methods are disclosed. An expandable spinal implant may include a first endplate, a second endplate, and a moving mechanism that is operably coupled to the first and second endplates. The moving mechanism may include a wedge, a first sliding frame and a second sliding frame disposed on opposite sides of the wedge, a screw guide housing a rotatable first set screw and a rotatable second set screw opposite the first set screw. The first set screw may be operably coupled to the second sliding frame and the second set screw may be operably coupled to the wedge. The moving mechanism may operably adjust a spacing between the first and second endplates upon simultaneous rotation of the first and second set screws and operably adjust an angle of inclination between the first and second endplates upon translating the first set screw or second set screw.

Intervertebral cage for fusion

An intervertebral fusion mechanism includes a disc cage having a scaffolding structure to support bone growth and a porous cancellous bone feeder anchor, connected to the disc cage, for providing a biological material transference interface between cancellous bone and the disc cage.

PATIENT SPECIFIC FEMORAL PROSTHESIS

A femoral prosthesis system for an orthopaedic hip implant and method of use is disclosed. The prosthesis system includes a femoral stem component that includes a core body and a casing that encases the core body. The casing can be additively manufactured such that the core body defines a predetermined orientation in the core body among a plurality of permissible predetermined orientations. The femoral stem component can further include a neck and a trunnion that extends from the neck. The neck can extend out with respect to the core body at a predetermined angle within a range of permissible predetermined angles. 1. A femoral prosthesis comprising:an elongate core body that extends along a central core body axis from a proximal core body end to a distal core body end opposite the proximal core body end, the core body including a medial core body side and a lateral core body side opposite the medial core body side, the medial and lateral core body sides extending from the proximal core body end to the distal core body end, wherein the core body is configured to be received in a medullary canal of a femur;a neck that extends out with respect to the proximal core body end; anda porous casing that encases at least a portion of the core body, wherein the porous casing defines an inner casing surface that faces the core body and an outer casing surface opposite the inner casing surface,wherein the inner surface of the porous casing extends along a central inner casing axis that is substantially coincident with the central core body axis, and the outer surface of the porous casing extends along a central outer casing axis that intersects the central inner casing axis within an outer perimeter of the core body with respect to a side elevation view of the stem component that includes the proximal core body end, the distal core body end, the medial core body side, and the lateral core body side.2. The femoral prosthesis of claim 1 , wherein the core body and the neck define ...

Expandable interbody implant

An intervertebral implant that can be surgically introduced between adjacent vertebrae and expanded in situ to occupy an optimal space between the vertebrae. The implant is inserted into the evacuated disc space obliquely and then oriented so as to extend laterally across the anterior adjacent vertebrae with its outer ends of the implant supported by the cortical rims on the opposite sides of the vertebrae. The implant has two body members with a space therebetween so the implant may be then distracted and a spacer of predetermined thickness that may be inserted within the space between the body members so as to maintain a desired amount of distraction. The upper and lower surfaces of the implant may have a desired lordotic angle. A method of using an implant is disclosed which permits endoscopic visualization of the disc space.

Tibial support of artificial knee joint

A tibial support of an artificial knee joint, comprising a main tibial support body ( 100 ) and a tibial support platform ( 200 ), wherein the main tibial support body ( 100 ) is wing-shaped, a central axis thereof being vertical to the tibial support platform ( 200 ). A plurality of hollow screw holes is provided at the upper part of the main body ( 100 ). The tibial support platform ( 200 ) is located above the main tibial support body ( 100 ). The surface of the tibial support platform ( 200 ) is an organic polymer material layer matching a tibial liner. The hollow screw holes in the tibial support are sealed by the polymer material layer. Because a tibial support of an artificial knee joint adopts a high-biocompatibility organic polymer material, physical machining is allowed in an operation, and meanwhile, the surface corrosion of the tibial support is reduced. Hollow screw holes are sealed by means of a polymer material layer, thereby inhibiting joint liquid from entering the holes, and reducing the transportation of particles. Recesses ( 201 ) are provided at positions, corresponding to the screw holes, on the polymer surface, thereby aiding in drilling holes and mounting screws in an operation.

Pivoting vertebral plate

A surgical system includes an implant having a first attachment mechanism and an insertion instrument having a proximal end, a distal end, and a second attachment mechanism disposed at the distal end for removable connection with the first attachment mechanism. The proximal end of the insertion instrument is pivotable with respect to the implant. The insertion instrument can include an inserter and a guide. A method of using the surgical system is provided.

IMPLANT MADE OF CARRIER MATERIAL INTERSPERSED WITH BIOLOGICALLY ACTIVE DONOR MATERIAL, AND METHOD FOR PRODUCING SUCH AN IMPLANT

The invention relates to an implant () for introducing into a patient, having an implant body that is at least partially resorbable and is porous at least in some regions and that is made of a ceramic carrier material (), the carrier material being provided with a donor material () that delivers ions to influence the patient's cellular metabolism in the implanted state, the carrier material () being interspersed with the donor material (). The invention also relates to a method for producing an implant () of said type. 1. Implant for insertion into a patient , having an at least partially resorbable and at least in partial regions porous implant body made of a ceramic carrier material , which is provided with a donor material that , in the implanted state , emits ions for influencing the patient's cellular metabolism , wherein the donor material intersperses the carrier material so that the donor material is present throughout the entire implant volume ,whereinthe implant comprises first layers, last layers and middle layers, which are surrounded by the first and last layers, wherein the first, last and middle layers have different densities/porosities.2. Implant according to claim 1 , wherein the donor material comprises ceramic particles and/or metallic particles.3. Implant according to claim 1 , wherein the implant body is divided into layers or into partial regions of different density and/or porosity.4. Implant according to claim 1 , wherein individual pores in the implant body are connected to each other via connection channels.5. Implant according to claim 4 , wherein the donor material is arranged and concentrated in the carrier material in such a way that claim 4 , when the ions are released in the implanted state claim 4 , the connection channels necessarily result claim 4 , or that the connection channels and implant body are already present before insertion into the patient.6. Implant according to claim 1 , wherein the implant body has a total porosity ...

DEVICE FOR COVERING AND/OR RECONSTRUCTING A BONE DEFECT SITE, METHOD FOR PRODUCING A CAP FOR A COVER FOR A BONE DEFECT SITE

A device for covering and/or reconstructing a bone defect site includes a cap (molded shell, rigid shell, molded body) having a rim and at least one fixing device for fixing the cap on a bone. The cap has a dimensionally stable (rigid) nature. A wall of the cap facing the bone defect or a wall of the cap facing away from the bone defect corresponds to the shape of the regenerated bone, at least one positioning device being located on the rim of the cap. A method produces a cap for a covering device for a bone defect site. 112. Device () for covering and/or reconstruction of a bone defect site () ,{'b': 4', '16', '11', '9, 'having a cap () that has a rim () and a wall () that faces away from the bone defect and a wall () that faces toward the bone defect,'}{'b': 4', '9', '4', '11', '4, 'wherein the cap () comprises a dimensionally stable material, and a wall () of the cap () that faces toward the bone defect or a wall () of the cap () that faces away from the bone defect corresponds to the shape of the regenerated bone,'}wherein{'b': 13', '14', '19', '16', '4, 'at least one non-open positioning means (), which has a wall () that faces the healthy bone () that borders on the bone defect, is disposed at the rim () of the cap (), or'}{'b': 1', '5', '4', '13', '14', '19', '16', '4, 'the device () has at least one fixation means () for fixation of the cap () within the region of the bone defect, and at least one positioning means (), which has a wall () that faces a healthy bone () that borders on the bone defect is disposed at the edge () of the cap ().'}214513. Device () according to claim 1 , wherein the cap () and/or at least one fixation means () and/or at least one positioning means () comprise(s) claim 1 , at least in part claim 1 , a biocompatible material.314513. Device () according to claim 2 , wherein the material of the cap () is of organic or inorganic origin and/or the material of a fixation means () is of organic or inorganic origin and/or the material of a ...

STRUCTURE FOR FACILITATING BONE ATTACHMENT

A structure for facilitating bone attachment includes a surface and bone ingrowth features formed in the surface. Each of the bone ingrowth features comprises an opening that opens to the surface and a body that extends from the opening into the structure. The opening has a first cross-sectional dimension and the body has a second cross-sectional dimension. The second cross-sectional dimension is greater than the first cross-sectional dimension. 1. A surgical implant comprising:a main body having top, bottom and side surfaces; andbone ingrowth features formed in a least one of said top, bottom and side surfaces;wherein each of said bone ingrowth features comprises an opening that opens to said at least one of said top, bottom and side surfaces, and a body that extends from said opening into said implant;wherein said opening has a first cross-sectional dimension and said body has a second cross-sectional dimension; andwherein said second cross-sectional dimension is greater than said first cross-sectional dimension.2. The surgical implant of wherein said opening has a first cross sectional area and said body has a second cross-sectional area; andwherein said second cross-sectional area is greater than said first cross-sectional area.3. The surgical implant of claim 1 , wherein said side surfaces are smooth.4. The surgical implant of claim 1 , wherein said bone ingrowth features are mushroom-shaped.5. The surgical implant of claim 1 , wherein said bone ingrowth features are conical-shaped.6. The surgical implant of claim 1 , wherein said bone ingrowth features are formed and shaped like trabecular bone structure.7. The surgical implant of claim 6 , wherein said bone ingrowth features are produced by 3D printing from a scanned image of trabecular bone.8. The surgical implant of claim 1 , wherein said opening has a first diameter and said body has a second diameter claim 1 , said second diameter being greater than said first diameter.9. The surgical implant of claim 8 , ...

Implantable bone augment and method for manufacturing an implantable bone augment

Method for manufacturing an implantable bone augment arranged to at least partially fit in a bone defect in a bone of a patient, wherein the method comprises the steps of: —providing a three-dimensional model of at least a part of the bone of the patient comprising the bone defect; —designing the shape and size of an augment based on the three-dimensional model, wherein a bone contacting surface of the augment is formed complementary to a corresponding outer surface of the bone, in particular a surface of the bone defect; —designing the body of the augment having the designed shape and size and having a porous microstructure, wherein the step of designing further comprises providing reinforcements in said body based on predicted loading conditions of the implanted augment, and; —manufacturing the designed augment.

Method for Modeling Humeral Anatomy and Optimization of Component Design

Stemless components and fracture stems for joint arthroplasty, such as shoulder arthroplasty, are disclosed. Also, methods and devices are disclosed for the optimization of shoulder arthroplasty component design through the use of medical imaging data, such as computed tomography scan data.

HYBRID FIXATION FEATURES FOR THREE-DIMENSIONAL POROUS STRUCTURES FOR BONE INGROWTH AND METHODS FOR PRODUCING

An orthopaedic prosthetic component comprises a fixation peg including a porous three-dimensional structure configured to permit bone in-growth. The porous three-dimensional structure has an outer surface boundary. The fixation peg includes a plate attached to the porous three-dimensional structure at the outer surface boundary. The plate includes a tapered body having an outer wall that faces away from the porous three-dimensional structure and is devoid of any openings. 1. A method for implanting an orthopaedic prosthetic component , the method comprising the steps of:inserting a fixation peg into a bone of a human body to facilitate bone ingrowth into a porous three-dimensional structure of the fixation peg, wherein the porous three-dimensional structure has an outer surface boundary,wherein the fixation peg includes a plurality of plates attached to the porous three-dimensional structure at the outer surface boundary, each plate including a body having an outer wall that faces away from the porous three-dimensional structure, the outer wall defining a channel that has an open distal end to facilitate insertion of the fixation peg into the bone during the implanting step.2. The method of claim 1 , wherein the inserting step further comprises the step of inserting a base into the human body claim 1 , wherein the fixation peg extends from the base.3. The method of claim 2 , wherein the fixation peg extends away from the platform to a distal tip claim 2 , and a respective distal end of each of the plates is position proximal of the distal tip of the fixation peg.4. The method of claim 3 , wherein the plurality of plates are positioned between the distal tip of the fixation peg and the platform.5. The method of claim 4 , wherein the distal tip of the fixation peg includes a longitudinal slot.6. The method of claim 2 , wherein the bone is a tibia claim 2 , the base includes a tibial platform claim 2 , and the method further comprising the step of inserting a tibial ...

Fold-Up Containment Device For Bone Defects

A bone graft system includes a two-dimensional mesh sheet sized and shaped to, when folded along fold lines, form a three-dimensional graft containment structure configured to be packed with a bone graft material for placement within a target area of a bone, the mesh sheet including a first end flap connected to a remaining portion of the mesh sheet via a first fold line and a second end flap connected to the remaining portion of the mesh sheet via a second fold line, a third fold line extending from the first fold line to the second fold line so that the remaining portion is configured to be wrapped around folded first and second end flaps to form the graft containment structure, the first and second end flaps substantially corresponding to a profile of the target area of the bone. 1. A bone graft system , comprising:a two-dimensional mesh sheet sized and shaped to, when folded along fold lines, form a three-dimensional graft containment structure configured to be packed with a bone graft material for placement within a target area of a bone, the mesh sheet including a first end flap connected to a remaining portion of the mesh sheet via a first fold line and a second end flap connected to the remaining portion of the mesh sheet via a second fold line, a third fold line extending from the first fold line to the second fold line so that the remaining portion is configured to be wrapped around folded first and second end flaps to form the graft containment structure, the first and second end flaps substantially corresponding to a profile of the target area of the bone.2. The system of claim 1 , wherein the mesh sheet comprises an overlapping portion connected to the remaining portion of the mesh sheet via a fourth fold line.3. The system of claim 1 , wherein claim 1 , when the mesh sheet is folded to form the three-dimensional graft containment structure claim 1 , one of a first end and a second end of the graft containment structure include an overhang extending ...

Surface replacement implant for the distal humerus

The present invention relates to a partial joint replacement ( 1000 ), encompassing a shell-like segment ( 100 ) with a concave inner contour ( 3 ) for the arrangement on at the bone structure of a patient, wherein the segment ( 100 ) comprises a lateral section ( 5 ) and a medial section ( 7 ) along a longitudinal direction (x), and wherein the outer contour ( 1 ) of the segment ( 100 ) comprise in longitudinal direction (x) at least one inflection point ( 9 ).

EXPANDABLE COIL SPINAL IMPLANT

Coiled spinal implants for disc, vertebral body, and spinal motion segment replacement or reconstruction comprise a plurality of loops and spaces between the loops, with the loops formed of a hollow material and having a plurality of apertures or a longitudinal gap that extend(s) through the sidewalls of the loops and into the hollow center. The coiled implants include one or more balloons within the hollow center, the spaces between the coil loops, and/or within the central void that the coil surrounds. Filling the balloon expands the loops and thereby increases the height of the coil. Bone graft material or bone cement may be deployed from the apertures or gap. 1. A spinal implant , comprising: an expandable coil comprising a hollow tube having a first end , a second end , side walls defining a lumen , and a plurality of apertures through the sidewalls , the hollow tube formed into a plurality of loops having a space between the lower and upper sidewalls of vertically adjacent loops , and at least one balloon present in at least some of the spaces between vertically adjacent loops , wherein the implant , when the coil is expanded , has a height that approximates the height of an intervertebral disc , the height of a vertebral body , or the height of a spinal motion segment.2. The spinal implant of claim 1 , wherein the hollow tube comprises nickel claim 1 , titanium claim 1 , steel claim 1 , aluminum claim 1 , or alloy thereof.3. The spinal implant of claim 2 , wherein the alloy comprises nitinol.4. The spinal implant of claim 1 , wherein the at least one balloon comprises a single chamber.5. The spinal implant of claim 1 , wherein the at least one balloon comprises a plurality of chambers.6. The spinal implant of claim 4 , wherein the chamber comprises a fluid selected from the group consisting of water claim 4 , a physiologic saline solution claim 4 , a radiopaque contrast medium claim 4 , a hydrogel claim 4 , and a bone cement.7. The spinal implant of claim 5 , ...

Spinal Implant With Fluid Delivery Capabilities

A spinal implant that allows for fluid injection of material is disclosed. The implant includes a fitting with a passage and holes that are in fluid communication with the passage. The holes extend through upper and lower surfaces and/or into a central cavity of the implant. The implant allows for material to be introduced into the implant after initial implantation thereof. Methods of implanting the implant are also disclosed.

Interbody spacer

An interbody spacer for the spine is provided. The interbody spacer includes a cage and bone screws configured to anchor the cage between two vertebrae of the spine. The cage includes a screw plate configured to mate with the cage in a front-loading fashion. The screw plate is interchangeable with another screw plate configured to receive a different number of bone screws. For example, one screw plate adapted for three bone screws is interchangeable with another screw plate adapted for four bone screws and removably connected to the same cage. The screw plate is connectable intraoperatively or pre-assembled. Each screw plate is also provided with an anti-backout mechanism to retain the bone screws and prevent the bone screws from backing out with respect to the screw plate. The anti-backout mechanism includes a cover plate, locking screw or retaining ring. 1. An interbody spacer for a spine , comprising:a cage having a top surface and a bottom surface interconnected by a sidewall; the sidewall defines a front surface; the cage includes at least two bone screw apertures;a first screw plate connected to the cage; the first screw plate having at least two bone screw openings substantially aligned with at least two bone screw apertures;a bone screw inserted into each bone screw opening of the first screw plate and corresponding bone screw aperture of the cage; each bone screw having a head at a proximal end and a threaded shank extending toward a distal end for anchoring into bone; each bone screw being configured to secure the interbody spacer between two bony components of the spine; anda first anti-backout mechanism connected to the first screw plate and configured to prevent the bone screws from backing out relative to the first screw plate;wherein the first screw plate is interchangeable with a second screw plate; the second screw plate having at least three bone screw openings for receiving at least three bone screws and a second anti-backout mechanism.2. The ...

SAGITTAL BALANCE SYSTEMS AND METHODS OF USE THEREOF

A system for dilating tissue includes a retractor having a pair of retractor blades that are movable towards and away from each other to retract tissue of a patient. The retractor blades have longitudinal guide channels. A first pin is attachable to a first vertebra. The system also includes an interbody spacer insertion device that has a guide channel for slidably engaging the longitudinal channel guide and is releasably attachable to an interbody spacer. The interbody spacer insertion device is configured to guide the interbody spacer into a space between adjacent vertebrae. A method for using the system includes advancing the retractor blades towards first and second vertebrae. The first retractor blade is attached to the first vertebra using the first pin and the retractor blades are moved away from each other. The interbody spacer insertion device is translated towards the vertebrae to position the interbody spacer between the vertebrae. 1. A method of performing a surgical procedure , the method comprising:advancing first and second retractor blades of a retractor towards first and second vertebrae of a patient;fixing the first retractor blade to the first vertebra with a first pin;moving the first and second retractor blades away from each other;translating a distal portion of an interbody spacer insertion device towards the first and second vertebrae with a channel guide associated with the insertion device traversing along a longitudinal guide channel of one of the first or second retractor blades;positioning an interbody spacer associated with the insertion device between the first and second vertebrae of the patient; anddisengaging the interbody spacer from the interbody spacer insertion device.2. The method of claim 1 , further including fixing the second retractor blade to the second vertebra with a second pin.3. The method of claim 1 , wherein translating the distal portion of the interbody spacer includes translating the insertion device with an ...

Non-planar orthopedic implants and methods

Deformable joint implants with a generally hyperbolic paraboloid shape are disclosed, including configurations for delivery into the small joints of the body in the wrists, hands, ankle and feet, such as the first carpo-metacarpal joint, which comprises a double-saddle structure. The center of the implant may be supported, or supported and configured as a central opening. Implants with supported center regions may have a uniform or non-uniform thickness. A region of non-uniform, reduced thickness may be circular, oval or ring-like in shape, with a central support that may have an increased thickness relative to the perimeter region of the implant.

Spacer implant for the temporary replacement of a knee prosthesis

The present invention relates to a spacer implant (I) for the temporary replacement of a knee prosthesis, said implant (I) having a femoral condyle ( 1 ) and a tibial plateau ( 2 ), the lower surface ( 7 ) of the femoral condyle ( 1 ) resting on the upper surface ( 8 ) of the tibial plateau ( 2 ), the lower surface ( 7 ) of the femoral condyle ( 1 ) having a convex shape while the upper surface ( 8 ) of the tibial plateau ( 2 ) has a concave shape, a stud ( 9 ) being supported by the tibial plateau ( 2 ) and penetrating into a receiving means ( 17 ) provided on the femoral condyle ( 1 ), the femoral condyle ( 1 ) comprising two flanges ( 12, 13 ) having different sizes and being joined together via a base ( 7 ) traversed by a notch ( 17 ) forming the receiving means, the shorter flange ( 13 ) consisting of two elements ( 15 ) referred to as condyles, which are spaced apart from one another by the extension of the notch ( 17 ), and a stabilizing bar ( 16 ) joining the two condyles ( 15 ) together at the free end of said flange ( 13 ).

Nubbed Plate

A separate nub component between the plate and an intervertebral fusion cage, wherein the nub is attached to the plate. The nub lessens the undesired pivotal movement of the plate. It is believed that when the nub fits snugly between the endplates of the adjacent vertebral bodies, it acts as a stop against the undesired pivotal movement of the plate.

BONE PLATE STABILIZATION SYSTEM AND METHOD FOR ITS USE

A bone stabilization plate system. The bone stabilization plate system includes a base plate configured to fit primarily between an anterior portion of a first bone's lip osteophyte and an anterior portion of a second, adjacent bone's lip osteophyte. The bone stabilization plate system includes a plurality of bone screws configured to fit in respective bone screw holes in the base plate to secure the base plate. 1. A bone stabilization plate system comprising:a base plate having a top surface, first and second ends, a bottom surface, and a plurality of bone screw holes, wherein the base plate is sized to fit primarily between anterior portions of adjacent vertebral bones' lip osteophytes and is configured to bear weight to hold the bones while sharing weight with bone graft material for fusion; anda plurality of bone screws configured to fit in the plurality of bone screw holes, respectively;wherein one of the bone screw holes is configured to receive one of the bone screws to secure the base plate to one of the vertebral bones;wherein another of the bone screw holes is configured to receive one of the bone screws to secure the base plate to the lip osteophyte of another of the vertebral bones; andwherein each and every one of the plurality of bone screw holes is configured to receive one of the bone screws angled relative to the base plate and oriented generally in an anterior-posterior direction through the top surface of the base plate.2. The system as set forth in claim 1 , wherein at least one of the plurality of bone screw holes is configured to permit a range of bone screw angles.3. The system as set forth in claim 1 , wherein the bottom surface of the base plate is generally flat.4. The system as set forth in claim 1 , wherein the system further comprises a screw retainer configured to prevent at least one of the plurality of bone screws from backing out.5. The system as set forth in claim 4 , wherein the screw retainer is a plate or a screw.6. The system as ...

Drug delivery implants

An orthopaedic implant includes an internal fixation device. The internal fixation device includes: an exterior surface; a threaded section including a reservoir and at least one threaded section channel fluidly communicating the reservoir with the exterior surface, each threaded section channel having an interior diameter and a length which is greater than the interior diameter; a head including a head channel fluidly communicating the reservoir with an exterior surface of the head, a channel diameter of the head channel being respectively larger than a largest interior diameter of each threaded section channel, the channel diameter of the head channel being the same as a large interior diameter of the reservoir; and a continuously tapering inner surface between the head channel and the reservoir.

HYDROGEL IMPLANT PROCEDURE

Surgical procedures for repairing articulating surface in a joint using implants such as hydrogel implants are disclosed. 1. A method for repairing a damaged portion of an articulating surface of a joint , comprising: [ a porous material portion having a first bone-engaging surface having a first contour; and', 'a hydrogel portion that is bonded to the porous material portion and forming an articulating surface opposite from the first bone-engaging surface; and, 'a main portion configured for inserting into a joint, wherein the main portion comprises, 'a bone plate portion configured for securing the implant to a bone that forms the joint;', 'wherein, the main portion having a leading end and a trailing end, wherein the leading end is configured for being inserted into the joint;', 'wherein the bone plate portion is integrally formed with the porous material portion and extends from the trailing end, forming a second bone-engaging surface that is also formed of the porous material and extends from the first bone-engaging surface in a direction opposite from the articulating surface at an angle with respect to the first bone-engaging surface, wherein the second bone-engaging surface has a second contour;', 'wherein the bone plate portion comprises a solid metal portion that forms all exterior surfaces of the bone plate portion except for the second bone-engaging surface; and', 'wherein the bone plate portion has at least one screw hole for receiving a bone screw;, 'providing an implant that comprisespreparing the damaged portion of the articulating surface of a bone in the joint to have two resected surfaces, one resected surface with a contour that matches the first contour of the first bone-contacting surface, and the second resected surface with a contour that matches the second contour of the second bone-contacting surface of the implant; andimplanting the implant into the joint.2. The method of claim 1 , wherein the step of preparing the damaged portion of the ...

BONE STABILIZING IMPLANTS AND METHODS OF PLACEMENT ACROSS SI JOINTS

Threaded sacro-iliac joint stabilization (e.g., fusion, fixation) implants and methods of implantation and manufacture. Some implants include a threaded distal region, an optionally threaded central region, and an optionally threaded proximal region. The distal, central, and proximal regions have lengths such that when the implant is laterally implanted across a SI joint, the distal region can be positioned in a sacrum, the central region can be positioned across an SI-joint, and the proximal region can be positioned in an ilium. 1. A threaded bone stabilization implant adapted and sized for placement across a sacro-iliac (“SI”) joint , comprising:an elongate body having a distal end and a proximal end;the elongate body including a threaded distal region, a threaded central region disposed proximally of the distal region, and a proximal region disposed proximally of the central region,the elongate body further including a plurality of helical flutes, each of the plurality of helical flutes having formed therethrough a plurality of fenestrations extending into a central lumen,the elongate body having a length, and the threaded distal region, the threaded central region, and the proximal region each having individual lengths such that when the implant is laterally implanted, the threaded distal region is positioned in a sacrum, the threaded central region is positioned across an SI-joint, and the proximal region is positioned in an ilium,wherein each of the plurality of helical flutes has formed therethrough a first set of one or more fenestrations extending into the central lumen in the threaded distal region and a second set of one or more fenestrations extending into the central lumen in the threaded central region, at least one of the one or more fenestrations in the distal region larger than at least one of the one or more fenestrations in the central region.2. The implant of claim 1 , wherein the threaded distal region is a multi-lead distal region claim 1 , the ...

Methods for Sacroiliac Joint Stabilization

Methods are described for conducting minimally invasive medical interventions utilizing instruments and assemblies thereof to stabilize and/or fixate a dysfunctional sacroiliac (SI) joint. In one embodiment, a drill assembly is advanced from a posterior approach into the SI joint to create a pilot SI joint opening; portions of which being disposed in the sacrum and ilium bone structures. After the pilot SI joint opening is created, a SI joint prosthesis is inserted into the pilot SI joint opening, wherein the SI joint prosthesis is positioned in the dysfunctional SI joint at a distance of at least 3.0 mm away from the SI joint dorsal recess.

Methods for Sacroiliac Joint Stabilization

Methods are described for conducting minimally invasive medical interventions utilizing instruments and assemblies thereof to stabilize and/or fixate a dysfunctional sacroiliac (SI) joint. In one embodiment, a drill assembly is advanced from a posterior approach into the SI joint to create a pilot SI joint opening; portions of which being disposed in the sacrum and ilium bone structures. After the pilot SI joint opening is created, a SI joint prosthesis is inserted into the pilot SI joint opening, wherein the SI joint prosthesis is positioned in the dysfunctional SI joint at a distance of at least 3.0 mm away from the SI joint dorsal recess.

Biocompatible Construction for Implantation into a Joint

A biocompatible construction adapted for use in joint surgeries. Among other things, the joint implant has an anterior cutting edge and a rotatable cutter distinct from the cutting edge. The rotatable cutter allows for graduated cutting of biological tissue or structure.

Expandable interbody and intravertebral body devices

A device for insertion into a spinal (intervertebral or intravertebral) space is expandable and contractable. The device includes a body assembly, a top member configured to fit within a gap in the body assembly, a drive gear disposed within the body assembly at a distal end of the body assembly, a proximal gear assembly, and a distal gear assembly. The drive gear includes a receiver accessible from outside the body assembly and configured to be rotated in order to rotate the drive gear. Each gear assembly is attached to the top member. The distal gear assembly engages the drive gear. Rotation of the drive gear in a first direction causes the gear assemblies to translate the top member away from the body assembly, and rotation of the drive gear in a second direction causes the gear assemblies to translate the top member towards the body assembly.