Patent application number | Description | Published |
20080221681 | Methods for Improving Fatigue Performance of Implants With Osteointegrating Coatings - A method which may be used for introducing a residual compressive stress into a body portion of an implantable device configured for implantation in a patient. The body portion may include an outer surface. The method also may include texturing the outer surface of the implantable device to increase a roughness of the outer surface. The outer surface may be coated with an osteointegrating material to increase osteointegration. | 09-11-2008 |
20080221688 | Method of Maintaining Fatigue Performance In A Bone-Engaging Implant - This disclosure is directed to a method capable of maintaining the fatigue performance of a bone-engaging implant after surface texturing through the imparting of a residual compressive stress. A residual compressive stress is imparted via peening or another process. The peened surface is then roughened to improve mechanical adhesion for bone fixation via grit blasting or another process. The depth of penetration of the roughened texture is less than the depth of the residual compressive stress. | 09-11-2008 |
20080234736 | Vertebral Stabilizer - A bio-compatible stabilization system includes one or more inserters and a connector for traversing a space between one or more bony structures. The stabilization system is designed to reduce or eliminate stress shielding effects while functioning as a tension band. The connector includes an extendable member and an over-extension limiter that limits extension of the extendable member. | 09-25-2008 |
20080234753 | Spinal Stabilization Systems - A stabilizing system for stabilizing a patient's spinal column comprises a flexible implant configured for attachment to a vertebral member, an anchor plate for attaching the flexible implant to the vertebral member, and at least one fastener to secure the anchor plate to the vertebral member. The anchoring plate has a bottom surface with one or more projections configured to penetrate the top surface of the flexible implant when a clamping force is applied. | 09-25-2008 |
20080295312 | METAL INJECTION MOLDING OF SPINAL FIXATION SYSTEMS COMPONENTS - A method of making a component of a spinal fixation system. The method may comprise providing a mixture of a powder of at least one metal or metal alloy and a polymeric binder. A metal-injection-molding process may use the mixture to form a component for a spinal fixation system. The components may have varying flexibility across their cross-sections. Also, components are provided that are produced by this process, such as spinal fixation rods and plates. | 12-04-2008 |
20090043169 | Childbirth instrument and method - A childbirth instrument and method of use. The instrument may have guide and/or guard portions with concave posterior sides, and may have one or more grips. The guide may have first, second, and third elongated reference slots for performing episiotomy cuts therethrough, with the reference slots locating the angle and position of the episiotomy cuts, and the guard provides protection for the unborn infant. Another embodiment has one or more apertures through which a hypodermic needle may deliver a local anesthetic prior to making episiotomy cuts. The instrument may have one or more grips, which may be removable, and may have a movable stop and/or guide aperture. The angle of the episiotomy cut may be adjusted with one embodiment. The guide and guard portions may separate. Finger-receiving portions may be provided on the guard. | 02-12-2009 |
20090088803 | FLEXIBLE MEMBERS FOR CORRECTING SPINAL DEFORMITIES - The present application is directed to devices and methods for correcting a spinal deformity. The devices may include a member attached to one or more vertebral members of a deformed spine. The member may be constructed of a flexible material with elastic properties. The member is attached to the vertebral members in a stressed orientation. Due to the elastic properties of the material, the member exerts a corrective force on the vertebral members. In some embodiments, multiple members are attached to the vertebral members to apply the corrective force. | 04-02-2009 |
20090093820 | ADJUSTABLE SPINAL STABILIZATION SYSTEMS - A spinal stabilization system includes a stabilization member with opposite end portions lying along a longitudinal axis and an adjustment mechanism between the end portions that allows the end portions to be moved toward and away from one another along the longitudinal axis. | 04-09-2009 |
20090118831 | Coatings for spinal implants - The present application describes a spinal implant device comprising a load-bearing component having at least one soft tissue-facing surface and a coating affixed to the soft tissue-facing surface. The coating is operable to define an interface with the soft tissue that exhibits one or more of the following features: reduced friction, reduced tissue irritation, reduced adhesion, reduced inflammation, reduced incidence of infection and reduced pain, relative to the soft tissue-facing surface in the absence of the coating. Other embodiments include methods of use and manufacture of the apparatus. The application also describes a method involving affixing a load-bearing prosthetic spinal implant device to first and second vertebrae of a motion segment and, after the device is affixed, applying to a soft tissue-facing surface of the device a flowable, curable coating material operable to cure in situ to form a coating. | 05-07-2009 |
20090143862 | SYSTEM AND METHOD FOR BLOCKING AND/OR RETAINING A PROSTHETIC SPINAL IMPLANT - Devices for anchoring and/or blocking spinal implants in an intervertebral disc space are disclosed. In one aspect of the invention the device includes a rigid blocking member having one end unconnected and free to block a spinal implant, and another end attached to a securing member to secure the blocking member to the spine. Methods for using the inventive anchoring/blocking implants are also provided. | 06-04-2009 |
20090148503 | Topical devices and methods for assisting performance of surgical incision - A flexible topical device for assisting performance of surgical incision comprises a tear-resistant support layer and an adhesive layer disposed thereon. The device can further comprises a tear-resistant reinforcement layer disposed adjacent to the support layer. The device is adhesively attached to a surface of the tissue in which an incision is to be made, adjacent to the incision. The device prevents or limits an initiation or propagation of a tear in the tissue resulting from the stresses or strains imposed on the incision. | 06-11-2009 |
20090182429 | Total joint Replacement - An artificial vertebral joint for interposition between a superior vertebra and an inferior vertebra comprises a pair of bilateral joint subcomponents. Each joint subcomponent includes a superior component including a superior vertebra engaging surface and an inferior component including an inferior vertebra engaging surface. Each joint subcomponent further includes a spacer extending between the superior component and the inferior component. The spacer includes a first modulus of elasticity and a second modulus of elasticity. The first modulus transitions to the second modulus with a gradient change. | 07-16-2009 |
20090204220 | Intervertebral Disc Nucleus Implants and Methods - Nucleus pulposus implants that are resistant to migration in and/or expulsion from an intervertebral disc space are provided. In one form of the invention, an implant includes a load bearing elastic body surrounded in the disc space by an anchoring, preferably resorbable, outer shell. In certain forms of the invention, the elastic body is surrounded by a supporting member, such as a band or jacket, and the supporting member is surrounded by the outer shell. Kits for forming such implants are also provided. In another form of the invention, an implant is provided that has locking features and optional shape memory characteristics. In yet another aspect of the invention, nucleus pulposus implants are provided that have shape memory characteristics and are configured to allow short-term manual, or other deformation without permanent deformation, cracks, tears, breakage or other damage. Methods of forming and implanting the implants are also described, as are delivery devices and components thereof for delivering the implants. | 08-13-2009 |
20090222096 | MULTI-COMPARTMENT EXPANDABLE DEVICES AND METHODS FOR INTERVERTEBRAL DISC EXPANSION AND AUGMENTATION - A method of augmenting the nucleus pulposus of an intervertebral disc comprises forming a passage through an annulus fibrosus surrounding the nucleus pulposus and inserting a space creating device comprising a plurality of chambers. Without removing a portion of the nucleus pulposus, plurality of chambers are filled to expand the space creating device to create a space within the nucleus pulposus. The method further comprises injecting at least one biocompatible material into the space within the nucleus pulposus. | 09-03-2009 |
20090222098 | Spinal nucleus replacement with varying modulus - An intervertebral disc augmentation implant comprises an implant body adapted for implantation within an annulus fibrosis the intervertebral disc, adjacent to an at least partially intact nucleus pulposus of the intervertebral disc, and comprising a core area, a peripheral wall area, a top face area, and a bottom face area. The implant body is formed from at least one material and the implant body has a modulus of elasticity gradient that gradually changes from the core area of the implant body to the peripheral wall area of the implant body. | 09-03-2009 |
20090222099 | Self Centering Nucleus Implant - An intervertebral disc augmentation implant for implantation between a pair of vertebral bodies comprises an elastically deformable outer casing having at least one thickness dimension and a core member having isotropic material properties. The core member is entirely encased within the outer casing and has a height dimension along an axis defined by the pair of vertebral bodies. The modulus of elasticity of the core member is greater than a modulus of elasticity of the outer casing, and the height dimension of the core member is greater than the at least one thickness dimension of the outer casing. | 09-03-2009 |
20090275913 | DEVICES, APPARATUS, AND METHODS FOR BILATERAL APPROACH TO DISC AUGMENTATION - A method of augmenting a nucleus pulposus of an intervertebral disc comprises forming a first opening in an annulus of the intervertebral disc and forming a second opening in the annulus of the intervertebral disc. The method further comprises providing a space creation instrument including an expandable spacing device and introducing the spacing device through the first opening and into the nucleus pulposus. The method further comprises introducing a material delivery instrument through the second opening and into the nucleus pulposus and expanding the spacing device to create a space within the nucleus pulposus. The method also comprises injecting a biocompatible material from the material delivery instrument and into the space within the nucleus pulposus. | 11-05-2009 |
20090292315 | Interspinous Spacer - An interspinous spacer implant includes first, second, third, and fourth arms that are divided into pairs that are relatively rotatable. In an insertion configuration, the first and third arms are disposed close together, and the second and fourth arms are disposed close together. Relatively rotating the arm pairs results in a deployed configuration where the first and fourth arms are disposed close together and the second and third arms are disposed close together, with each set of arms forming a respective saddle for receiving a corresponding spinous process. Related methods are also described. | 11-26-2009 |
20100042157 | VERTEBRAL ROD SYSTEM AND METHODS OF USE - A vertebral rod is provided having a first elongated section and a second elongated section. An intermediate section is disposed between the first section and the second section. The intermediate section has an inner surface that defines a first locking part. A resistance member has an exterior surface that defines a second locking part configured for engagement with the first locking part such that the resistance member is fixed with and engaging at least a portion of the inner surface. | 02-18-2010 |
20100094344 | Pedicle-Based Posterior Stabilization Members and Methods of Use - The present application is directed to pedicle-based posterior stabilization members and methods of stabilizing vertebral members. The stabilization members generally include a body with first and second connector sections. The first connector section is configured to connect to a pedicle of a first vertebral member. The second connector section is configured to contact an adjacent vertebral member. The second connector section may be positioned at an end of the body, or an intermediate section away from the end. | 04-15-2010 |
20100111631 | Tool for Finishing the Ends of Surgical Rods and Methods of Use - An apparatus for finishing an end of a rod including a shaping tool comprising a shaping assembly having a shaping housing and a shaping surface within the housing configured to engage an end of a rod and form a shaped rod end. The apparatus further including a finishing tool comprising a finishing assembly having a finishing surface for changing the contour of the shaped rod end to form a finished rod end. | 05-06-2010 |
20100114067 | Multi-Chamber Mixing System - Mixing systems for storing and mixing multiple components of various medical compositions are provided. Generally, the instant mixing systems comprise a barrel, a plunger slidably disposed inside a barrel, and a pushing rod slidably disposed inside the plunger. The instant mixing system may further comprise multiple chambers for storing individual components or mixtures of components, with at least one chamber disposed in the barrel and at least one chamber disposed inside the plunger. | 05-06-2010 |
20100114069 | Methods, Systems, and Devices for Treating Intervertebral Discs Including Intradiscal Fluid Evacuation - Methods, systems, and devices for of treating intervertebral discs are disclosed. In one embodiment, a minimally invasive method of treating an intervertebral disc is provided. A contrast or imaging media is introduced into a nucleus of the intervertebral disc without removing any of the nucleus. The intervertebral disc is imaged with the contrast media within the nucleus. Then the contrast media is evacuated from the nucleus to reduce intradiscal pressure. Finally, a disc augmentation biomaterial is introduced into the nucleus. The disc augmentation biomaterial is introduced in such a manner that the disc augmentation biomaterial is maintained within the nucleus without having to repair an opening in the annulus surrounding the nucleus. | 05-06-2010 |
20100114107 | Intervertebral Disc Nucleus Implants and Methods - Nucleus pulposus implants that are resistant to migration in and/or expulsion from an intervertebral disc space are provided. In one form of the invention, an implant includes a load bearing elastic body surrounded in the disc space by an anchoring, preferably resorbable, outer shell. In certain forms of the invention, the elastic body is surrounded by a supporting member, such as a band or jacket, and the supporting member is surrounded by the outer shell. Kits for forming such implants are also provided. In another form of the invention, an implant is provided that has locking features and optional shape memory characteristics. In yet another aspect of the invention, nucleus pulposus implants are provided that have shape memory characteristics and are configured to allow short-term manual, or other deformation without permanent deformation, cracks, tears, breakage or other damage. Methods of forming and implanting the implants are also described, as are delivery devices and components thereof for delivering the implants. | 05-06-2010 |
20100114320 | SURGICAL SPACER WITH SHAPE CONTROL - A surgical spacer comprising first and second hollow support members, a flexible container, and a compressible material disposed in the container is disclosed. The first and second support members each have an exterior and an interior cavity. The exteriors of the first and second support members are affixed together and the interior cavities of the first and second support members are connected via a connecting opening. The container is disposed in the interior cavities and extends through the connecting opening. In addition, the container is substantially impermeable to the compressible material. The first and second support members are more rigid than the flexible container. A combination of the first and second support members controls the shape of the flexible container, with the compressible material disposed therein, in response to a compressive load applied to an exterior of the spacer. | 05-06-2010 |
20100121380 | Expandable Spinal Rods and Methods of Use - A spinal rod includes an elongated tubular member that is inflatable from a first insertion profile to a second enlarged profile. An expandable tubular reinforcement sleeve is concentrically positioned adjacent to the balloon. The balloon may be bonded to the sleeve. The spinal rod may also have longitudinal reinforcement members. A joining member may join two or more of the longitudinal reinforcing members at a discrete point along each. The spinal rod may further include end portions on either side of an inflatable portion. | 05-13-2010 |
20100191295 | ANNULUS REPAIR SYSTEM - An annulus repair system is provided. This repair system may cover a hole or opening in the annulus or repair a defect or damage to the annulus. In one embodiment, the annulus repair system comprises a blocking component that covers a hole in the annulus, a stabilizing component that helps stabilize the blocking component and a suturing material that connects the two components together. In certain embodiments, the annulus repair system may further comprise a cannula for guiding the blocking component, the stabilizing component and at least a portion of the suturing material through body tissue and into the disc space. Methods for utilizing the annulus repair system of the present invention also are provided. | 07-29-2010 |
20100198261 | ADJUSTABLE SPINAL STABILIZATION SYSTEMS - A spinal stabilization system includes a stabilization member with opposite end portions lying along a longitudinal axis and an adjustment mechanism between the end portions that allows the end portions to be moved toward and away from one another along the longitudinal axis. | 08-05-2010 |
20100222818 | VERTEBRAL ROD AND RELATED METHOD OF MANUFACTURE - A vertebral rod includes a first elongated section, a second elongated section and an intermediate section disposed between the first section and the second section. The intermediate section has an inner surface and opposing end portions that define an open portion. A removable element extends from one of the first, second or intermediate sections and is disposable adjacent the opposing end portions. The element is configured to prevent engagement of the opposing end portions. A resistance member is configured for disposal with the intermediate section and engaging at least a portion of the inner surface. A method of manufacture is also disclosed. | 09-02-2010 |
20100222820 | VERTEBRAL ROD SYSTEM AND METHODS OF USE - A vertebral rod includes a first elongated section defining a first thickness. A second elongated section defines a second thickness. An intermediate section is disposed between the first section and the second section and defines a third thickness. The third thickness has a dimension being less than a dimension of at least one of the first thickness and the second thickness. The intermediate section has an inner surface that defines an open end. A resistance member has an exterior surface configured for engaging at least a portion of the inner surface. | 09-02-2010 |
20100234954 | SPINAL IMPLANT AND METHODS OF IMPLANTATION AND TREATMENT - A spinal implant is provided that includes a first component for engaging a first vertebra, a second component for engaging a second vertebrae, and a damping member is positioned therebetween. The damping member has at least two chambers connected by an opening. A fluid is disposed within the chambers such that compression of the first and second components towards one another causes the fluid to be displaced from one of the chambers to another chamber through an opening. The opening has a reduced size relative to the chambers to restrict the flow of the fluid between the chambers and provide a dampening effect. In some instances, the rheologic properties of the fluid positioned within the chambers are dependent upon the strength a magnetic field passing through the fluid. In other aspects of the present disclosure, prosthetic devices, intervertebral implants, spinal systems, implantation methods, and treatment methods are provided. | 09-16-2010 |
20100247600 | THERAPEUTIC DRUG ELUTING IMPLANT COVER AND METHOD OF MAKING THE SAME - A drug-eluting implant cover fabricated from a drug-eluting biocompatible matrix containing at least one elutable drug, a drug-eluting implant cover kit containing at least one drug-eluting implant cover, and a method of manufacturing the same. | 09-30-2010 |
20100249783 | DRUG-ELUTING IMPLANT COVER - A pre-configured implant cover fabricated from a drug-eluting biocompatible matrix containing at least one elutable drug, a kit containing at least one elutable drug implant cover, and a method of using the same. | 09-30-2010 |
20100249841 | MULTI-CHAMBER EXPANDABLE INTERSPINOUS PROCESS SPACER - An expandable interspinous process spacer is disclosed that includes at least two chambers, one disposed within the other. Each of the at least two chambers can receive an injectable biocompatible material, which advantageously may have different material properties such as hardness. Further, the expandable interspinous process spacer can be changed from a deflated configuration to an inflated configuration. In the inflated configuration, the expandable interspinous process spacer can engage and support a superior spinous process and an inferior spinous process. | 09-30-2010 |
20100249932 | Materials, Devices and Methods for Intervertebral Stabilization Via Use of In Situ Shape Recovery - A deformable implant and a method for expanding an intervertebral disc space are provided. The method may include selecting a deformable implant with a predetermined physical configuration and deforming aspects, including temperature. The deformable implant of some embodiments is heated above the transition temperature or deforming temperature, collapsed to a collapsed configuration and cooled below the transition temperature. The collapsed implant may be inserted into the disc space without distracting adjacent vertebrae. The inserted implant absorbs ambient body heat and expands in place to a final shape thereby distracting adjacent vertebrae to expand the disc space. | 09-30-2010 |
20100249933 | SYSTEMS AND TECHNIQUES FOR INTRAVERTEBRAL SPINAL STABILIZATION WITH EXPANDABLE DEVICES - Expandable devices include a body defining a hollow interior for receiving distal portion of a delivery instrument. The expandable devices are collapsed on the distal portion of the delivery instrument for delivery to the operative site within a vertebral body. Upon delivery of the collapsed expandable devices to the operative site, the distal portion of the delivery instrument is enlargeable to expand the expandable device in situ for implantation at the operative site. | 09-30-2010 |
20100266657 | PREFORMED DRUG-ELUTING DEVICE TO BE AFFIXED TO AN ANTERIOR SPINAL PLATE - A drug-eluting device comprising a drug-eluting matrix containing at least one elutable drug, a method of manufacturing a preformed drug-eluting device, and an implant kit comprising the same. | 10-21-2010 |
20100268278 | TENSION BAND - Various embodiments of a vertebral tension band assembly and associated connection structure are provided. The tension band assemblies may be attached to vertebral bodies to, for example, connect one vertebrae to another, retain the band in approximately a preferred position by application of tension to the band during insertion and/or limit, impede, inhibit, reduce or interfere with the separation from one vertebra to another and may further block, impede, interfere with, inhibit, reduce or present an obstacle to dislodgement of a spinal implant from between the vertebrae to which it is attached. Flexible band portions of the assemblies may be treated and/or configured to promote bony integration between the band and the associated vertebrae, limit tissue adhesion to the band, and/or to elute a therapeutic substance from the installed band to the surgical site. | 10-21-2010 |
20100268282 | ANTERIOR SPINAL PLATE WITH PREFORMED DRUG-ELUTING DEVICE AFFIXED THERETO - An anterior spinal plate has affixed to at least a portion of a surface thereof at least one preformed drug-eluting device fabricated from a drug-eluting matrix containing at least one elutable drug. | 10-21-2010 |
20100298883 | Load Bearing Flexible Spinal Connecting Element - Devices and methods for spinal stabilization include first and second anchor assemblies engageable to respective ones of first and second vertebrae and a connecting element engageable to the first and second anchor assemblies. The connecting element includes opposite first and second end members and a bumper assembly between the end members that flexibly connects the end members so the connecting element can provide dynamic stabilization of the spinal column when engaged to the anchor assemblies. | 11-25-2010 |
20110022092 | VERTEBRAL RODS AND METHODS OF USE - The present application is directed to vertebral rods and methods of use. In one embodiment, the rod includes upper and lower sections that are separated by an intermediate section. The intermediate section may include one or more members, and may have a variety of configurations. An elastic member may be positioned within the intermediate section. The intermediate section and the elastic member may provide for variable resistance during movement of the upper and lower sections. In one embodiment, the resistance increases the further away the upper and lower sections move from a first orientation. | 01-27-2011 |
20110029001 | SYSTEM AND METHOD FOR ANNULUS TREATMENT - A system for treating an intervertebral disc includes a plurality of self-closing clips including a first clip and a second clip being deployable adjacent to an opening of the intervertebral disc. The first clip and the second clip are fixed with tissue about the opening and configured to prevent undesired cutting or tearing of the tissue. The clips are disposed in a configuration to facilitate closure of the opening. A suture member is connected to the first clip and the second clip in a configuration such that the suture member is manipulable to draw the opening to a closed position. A locking part is connected to the suture member and is configured to maintain the opening in the closed position. Methods of use are also disclosed. | 02-03-2011 |
20110040342 | Method and apparatus for delivering an intervertebral disc implant - A method for implanting a prosthetic spinal disc nucleus in an intervertebral disc nucleus space includes providing a disc nucleus implant instrument having a passageway for passing a prosthetic disc nucleus and a dilator for dilating an opening in a disc annulus. The prosthetic disc nucleus has a first configuration and a second configuration, and is positioned in its second configuration in the passageway of the disc nucleus implant instrument and passed through the dilator and into the disc nucleus space while in its second configuration. The disc nucleus implant is caused or allowed to assume its first configuration when implanted. | 02-17-2011 |
20110071570 | COMPOSITE VERTEBRAL ROD SYSTEM AND METHODS OF USE - A vertebral rod includes a first elongated section including a first material having a first modulus of elasticity and a second elongated section including a second material having a second modulus of elasticity. A first intermediate section is disposed between the first section and the second section, and includes a third material having a third modulus of elasticity. The intermediate section has an arcuate inner surface that defines a cavity and an open end. The first modulus and the second modulus are each greater than the third modulus such that the first and second sections provide a reinforced configuration of the vertebral rod and the intermediate section has a relatively flexible configuration. | 03-24-2011 |
20110087291 | FUSION IMPLANTS AND SYSTEMS FOR POSTERIOR LATERAL PROCEDURES - Apparatus and methods include implants insertable into the body of a patient for posterior lateral fusion of one or more vertebral levels. The implant can be osteoinductive and/or osteoconductive to facilitate or initiate the fusion between two or more bony portions of the spinal column. The fusion implant can be used in isolation or in conjunction with a posterior stabilization construct. | 04-14-2011 |
20110098537 | TISSUE MASSAGE RETRACTOR - A retractor system for percutaneous surgery in a patient includes first and second retractor portions positionable opposite one another in an incision of the patient. The system also includes at least one actuating member operable to provide an oscillating motion to at least one of the first and second retractor portions. The actuating member is in communication with a controller and is responsive to the controller to oscillate at least one of the first and second retractor portions between a first position and a second position. In another form, a method is directed to retracting tissue for percutaneous access to a surgical site in a patient. However, other embodiments, forms and applications are also envisioned. | 04-28-2011 |
20110098759 | EXPANDABLE DEVICE FOR BONE MANIPULATION - An expandable bone tamp for performing a minimally invasive surgical procedure includes a coil connected between an inner shaft and an outer shaft. Rotating the inner shaft relative to the outer shaft can then cause the coil to expand or collapse around the inner shaft. The coil allows large expansion forces to be generated by a structure Thant can pass through a small cannula. The rotation of the inner shaft relative to the outer shaft can be performed manually (e.g., via a crank handle) for good tactile control, or can be performed using a motor or other assist mechanism to increase the expansion force output. The coil can either be withdrawn after use, or can be left in the patient to provide additional post-procedure support. | 04-28-2011 |
20110152937 | Surgical Implants for Selectively Controlling Spinal Motion Segments - Elongated connecting elements include bodies having composite cross-sections defining a first resistance to bending about a first bending axis and a second resistance to bending about a second bending axis that is transverse to the first bending axis. The cross-section also includes intermediate bending axes between the first and second bending axes that provide resistance to bending that is less than that provided about the first bending axis and greater than that provided about the second bending axis. The connecting elements are positioned along one or more spinal motion segments and engaged to vertebrae with anchors with one of the first, second, and intermediate bending axes in the desired orientation relative to the spinal motion segment to provide the desired stiffness and resistance to bending. | 06-23-2011 |
20110184245 | TISSUE MONITORING SURGICAL RETRACTOR SYSTEM - An apparatus for monitoring the characteristics of tissue adjacent a surgical site and communicating that information to a health care provider includes a retractor, a sensor, and a processing system. The sensor is disposed on the retractor and is configured to measure a parameter indicative of at least one characteristic of the tissue adjacent the first or the second blade. The processing system is in communication with the sensor and configured and arranged to receive information from the sensor indicative of the measured parameter. It includes a threshold stored therein indicative of excessive trauma to the tissue and it is configured in a manner such that it compares the received information to the stored threshold and communicates information to the health care provider regarding the comparison. | 07-28-2011 |
20110202091 | NON-METALLIC IMPLANT DEVICES AND INTRA-OPERATIVE METHODS FOR ASSEMBLY AND FIXATION - This invention relates to orthopedic implants and to methods of treating bone defects. More specifically, but not exclusively, the present invention is directed to non-metallic implants and to methods for intra-operative assembly and fixation of orthopedic implants to facilitate medical treatment. The non-metallic implant assembly can be secured to underlying tissue by a fastener, such as a bone screw, that is capable of swelling on contact with fluid in the underlying tissue. Alternatively, the non-metallic implant assembly can be assembled intra-operatively using a fastener that is adhesively bonded to a bone plate or the bone plate can be deformed using heat, force, or solvents to inhibit withdrawal of the fastener. In preferred embodiments, both the fastener and the bone plate are formed of biodegradable material. | 08-18-2011 |
20110213418 | MULTI-CHAMBER EXPANDABLE INTERSPINOUS PROCESS SPACER - An expandable interspinous process spacer is disclosed that includes at least two chambers, one disposed within the other. Each of the at least two chambers can receive an injectable biocompatible material, which advantageously may have different material properties such as hardness. Further, the expandable interspinous process spacer can be changed from a deflated configuration to an inflated configuration. In the inflated configuration, the expandable interspinous process spacer can engage and support a superior spinous process and an inferior spinous process. | 09-01-2011 |
20110230966 | SACRO-ILIAC IMPLANT SYSTEM, METHOD AND APPARATUS - A sacro-iliac implant system includes at least one implant including a body defining an outer surface and being disposed to space apart opposing articular surfaces of a sacro-iliac joint. The body is engageable with the opposing articular surfaces and the outer surface is compliant to a configuration of the opposing articular surfaces such that the body facilitates relative movement of the opposing articular surfaces. Methods of use are disclosed. | 09-22-2011 |
20110238114 | INTERSPINOUS PROCESS BRACE - An interspinous process brace is disclosed and can include a superior component and an inferior component. The superior component can include a superior spinous process bracket that can engage a superior spinous process. The inferior component can include an inferior spinous process bracket that can engage an inferior spinous process. Further, the interspinous process brace can be moved between a bent configuration and a straight configuration. In the bent configuration, an overall height of the interspinous process brace can be minimised to facilitate installation between the superior spinous process and the inferior spinous process. | 09-29-2011 |
20110257687 | LOAD SHARING BONE FASTENER AND METHODS OF USE - A bone fastener includes a first section configured to support a bone construct. A second section is configured for fixation with bone and defines a longitudinal axis. An intermediate flexible section is disposed between the first section and the second section such that the first section is longitudinally aligned with the second section. The intermediate flexible section includes an inner surface that defines a cavity and an open end. | 10-20-2011 |
20110265538 | Systems, Devices and Methods for Multi-Dimensional Bending of an Elongate Member - Systems, devices and methods are provided for bending an elongate member used in association with a medical procedure. In one form, a device for bending an elongate member includes a support platform and a plurality of engaging members positioned on the support platform. Each of the plurality of engaging members includes at least one engaging portion configured for positioning in contact with the elongate member. Each of the plurality of engaging members is movable in at least three directions relative to the support platform to form one or more bends in the elongate member. In one aspect, the elongate member is formed of a heat deformable material and the device includes a heating member configured to apply heat to one or more portions of the elongate member to facilitate bending. However, other embodiments, forms and applications are also envisioned. | 11-03-2011 |
20110270262 | Systems, Devices and Methods for Bending an Elongate Member - Systems, devices and methods are provided for bending an elongate member used in a medical procedure. In one form, the device includes a bending mechanism having a plurality of engaging members are selectively positioned relative to a receiving area. In one embodiment, a first set of engaging members is positioned in a select arrangement, and a second set of the engaging members is movable relative to the select arrangement of the first set of engaging members to compressingly engage the elongate member to bend the elongate member to a desired shape/contour. The device also includes a heating element configured to apply heat to one or more portions of the elongate member to facilitate bending. In one form, the elongate member is formed of a heat deformable material, and heat is applied to soften one or more portions of the elongate member to provide added flexibility to facilitate bending. | 11-03-2011 |
20120029564 | Composite Rod for Spinal Implant Systems With Higher Modulus Core and Lower Modulus Polymeric Sleeve - A spinal rod includes a metal component and a tube. The core component has a radius. The tube has a first state with a first state tube inner radius and a first state tube outer radius. The first state tube inner radius is greater than the core component radius. The tube has a second state with a second state tube inner radius and a second state tube outer radius. The second state tube inner radius is generally equal to the core component radius. The tube is deformable from the first state to the second state. | 02-02-2012 |
20120065735 | ANNULUS REPAIR SYSTEMS AND TECHNIQUES - Systems and methods for repairing annulus defects include at least one blocking member positionable in or adjacent to the annulus defect, at least one attachment portion for securing the blocking member to adjacent tissue, and instruments for placing and engaging the blocking member in and/or adjacent to the annulus defect. The blocking member extends at least partially across the annulus defect for repair of the defect and/or retention of nucleus material, one or more implants, bio-compatible materials or device, and/or other objects positioned in the disc space. | 03-15-2012 |
20120095296 | Expandable Spinal Access Instruments and Methods of Use - A system for use in percutaneous surgical procedures includes a dilator with an expandable sleeve positioned around its outer surface that accepts one or more additional dilators or retractors between the sleeve and the dilator to form an access port to a surgical site in a patient. The system can be used in spinal surgical procedures and the sleeve and one or more additional components of the system can be radiolucent and disposable after use. | 04-19-2012 |
20120109207 | Enhanced Interfacial Conformance for a Composite Rod for Spinal Implant Systems with Higher Modulus Core and Lower Modulus Polymeric Sleeve - A spinal rod includes a core component and a tube. The core component has a diameter and an axial length. The tube has a diameter equal to or less than the diameter of the core component. A vibrational energy is applied between the core and the tube such that the core is received within the tube and the tube is advanced along the axial length of the tube. The spinal rod composite then has facial conformance forces maintaining the tube position along the axial length of the core. | 05-03-2012 |
20120191190 | SPINAL IMPLANT WITH ATTACHABLE BONE SECURING COMPONENT - A spinal implant for insertion into an intervertebral disc space for intervertebral stabilization, the implant comprising a radiolucent polymer substrate coupled to a radiopaque and osseoconductive bone securing component which provides the implant with secure fixation between adjacent vertebrae. The implant's radiolucent, radiopaque and osseointegrative properties facilitate radiographic assessment of fusion across the disc space, assessment of osseointegration between vertebral endplates and osseointegration of the spinal implant to adjacent vertebral end plates. The implant comprises an implant substrate and a securing component coupled to the implant substrate. The implant preferably comprises a radiolucent polyetheretherketone (PEEK) substrate coupled to a radiopaque Titanium (Ti) or a titanium (Ti) alloy securing component, whereby the securing component is adjacent to the vertebral endplates when the implant is inserted in the disc space. The securing component comprises surface teeth or extension to secure the implant, within the intervertebral disc space to adjacent vertebrae. | 07-26-2012 |
20120191191 | IMPLANT SYSTEM AND METHOD FOR STABILIZATION OF A SACRO-ILIAC JOINT - A sacro-iliac implant includes a body extending from a first portion having an outer surface configured for fixation with a sacrum to a second portion having an outer surface being spaced apart and non-continuous with the outer surface of the first portion. A sleeve is disposed about the body and configured for implantation within at least an ilium. The sleeve extends from a first portion to a second portion having an inner surface and a flange disposed to engage an outer non-articular surface of the ilium. The inner surface of the second portion of the sleeve is engageable with the outer surface of the second portion of the body to cause axial translation of the body relative to the sleeve such that naturally separated articular surfaces of the sacrum and ilium are drawn into fixation to immobilize the SI joint. Methods of use are disclosed. | 07-26-2012 |
20120191193 | INTERBODY IMPLANT SYSTEM AND METHODS OF USE - An interbody implant spacer includes a flexible body defining a first surface configured for engagement with a first vertebral surface and a second surface configured for engagement with a second vertebral surface. The first surface includes at least one pre-formed protrusion extending outwardly therefrom. The body is expandable between a first, non-expanded configuration such that the at least one protrusion extends outwardly from the first surface and a second, expanded configuration such that the at least one protrusion extends outwardly from the first surface to engage the first vertebral surface and at least a portion of the second surface engages the second vertebral surface. Methods of use are disclosed. | 07-26-2012 |
20120265306 | SPINAL IMPLANT WITH ATTACHABLE BONE SECURING COMPONET - A spinal implant for insertion into an intervertebral disc space for intervertebral stabilization, the implant comprising a radiopaque substrate having bone securing serrations coupled to a radiolucent insert. The implant's radiolucent and radiopaque properties facilitate radiographic assessment of fusion across the disc space, assessment of osseointegration between vertebral endplates and osseointegration of the implant to adjacent vertebral end plates. The implant comprises an implant substrate having at least one insert cavity and bone securing serrations, and at least one insert component, whereby the insert component is configured to be securely coupled to the implant substrate via the at least one insert cavity thereby forming the implant. The implant preferably comprises a Titanium (Ti) substrate coupled to a polyetheretherketone (PEEK) insert component whereby the implant serrations are positioned between adjacent vertebral endplates when the implant is inserted into the disc space thereby securely positioning the implant between the adjacent vertebrae. | 10-18-2012 |
20120277865 | EXPANDABLE IMPLANT SYSTEM AND METHODS OF USE - An implant includes a first component including a wall that defines a first surface and a second surface. The first surface defines a first opening and the second surface defines a second opening. The second opening is spaced apart from the first opening to define a cavity therebetween. A second component is supported by the first component and configured for movement relative thereto. The second component is movable between a first configuration such that the second component is disposed between the first opening and the second opening within the cavity and a second, expanded configuration such that the second component simultaneously passes through the first and second openings to extend from the cavity. Methods of use are also disclosed. | 11-01-2012 |
20130103154 | EXPANDABLE SPINAL IMPLANT AND METHODS OF USE - A spinal implant includes first and second vertebral endplate-engaging components connected to each other at one end in articulated engagement to provide a desired expanded configuration, and an expander component disposed between the first and second components at the other end thereof to maintain the expanded configuration. Methods of use are disclosed. | 04-25-2013 |
20130123582 | TISSUE MONITORING SURGICAL RETRACTOR SYSTEM - An apparatus for monitoring the characteristics of tissue adjacent a surgical site and communicating that information to a health care provider includes a retractor, a sensor, and a processing system. The sensor is disposed on the retractor and is configured to measure a parameter indicative of at least one characteristic of the tissue adjacent the first or the second blade. The processing system is in communication with the sensor and configured and arranged to receive information from the sensor indicative of the measured parameter. It includes a threshold stored therein indicative of excessive trauma to the tissue and it is configured in a manner such that it compares the received information to the stored threshold and communicates information to the health care provider regarding the comparison. | 05-16-2013 |
20130197582 | VERTEBRAL CONSTRUCT AND METHODS OF USE - A vertebral construct comprises a longitudinal element extending between a first end and a second end. The longitudinal element defines a central axis. A first spacer is mounted to the longitudinal element. A second spacer is mounted to the longitudinal element. A flexible element is disposed about the longitudinal element and between the first spacer and the second spacer. The flexible element defines a central axis offset from the central axis of the longitudinal element. Methods of use are disclosed. | 08-01-2013 |
20130226242 | VERTEBRAL RODS AND METHODS OF USE - The present application is directed to vertebral rods and methods of use. In one embodiment, the rod includes upper and lower sections that are separated by an intermediate section. The intermediate section may include one or more members, and may have a variety of configurations. An elastic member may be positioned within the intermediate section. The intermediate section and the elastic member may provide for variable resistance during movement of the upper and lower sections. In one embodiment, the resistance increases the further away the upper and lower sections move from a first orientation. | 08-29-2013 |
20140031934 | SACRO-ILIAC JOINT IMPLANT SYSTEM AND METHOD - A sacro-iliac implant includes an inner member having an inner surface and an outer surface. The inner member extends between a first end and a second end configured for penetrating a sacrum. An outer member extends between a first end including a flange and being configured to engage an outer non-articular surface of an ilium and a second end. The inner member is rotatable relative to the outer member such that the outer surface of the inner member adjacent its first end engages the outer member to cause axial translation of the inner member relative to the outer member in a configuration such that separated articular surfaces of the sacrum and the ilium are drawn into fixation. Systems and methods of use are disclosed. | 01-30-2014 |
20140088609 | Method of Securing Perianal Support Device - A perianal support device is provided that is configured to inhibit the formation and/or progression of tissue damage in the perianal region of the body. A method is provided to apply the perianal support device to patients during childbirth to inhibit the formation and/or progression of tissue damage in the perianal region of the body. | 03-27-2014 |
20140257393 | ROTATIONAL OFFSET OVAL VERTEBRAL ROD - A flexible connection unit for use in a spinal fixation device is provided. The flexible connection unit includes an elongated member, such as a vertebral rod, having a first end portion and a second end portion opposite each other with a transition portion extending therebetween. The first end portion of the vertebral rod comprises an oval shape and the second end portion contains an oval or non-oval shape. The major diameter of the oval shaped first end is parallel to the sagittal plane of a patient's body and provides the higher stiffness for fusion to resist flexion in the sagittal plane. The second end portion of the vertebral rod is perpendicular to the sagittal end of a patient's body and provides the lower stiffness for fusion. | 09-11-2014 |
20140257408 | SURGICAL IMPLANT SYSTEM AND METHOD - A surgical instrument includes a first member defining a longitudinal axis and including a drive interface engageable with a first surface of a bone fastener. The first surface is configured for penetrating a sacrum. A second member includes a drive interface engageable with a second surface of the bone fastener to translate the second surface relative to the first surface such that the second surface engages an outer non-articular surface of an ilium to draw separated articular surfaces of the sacrum and the ilium into fixation. In some embodiments, systems and methods are disclosed. Systems and methods are disclosed. | 09-11-2014 |
20140371753 | SYSTEM AND METHOD FOR PRESSURE MIXING BONE FILLING MATERIAL - A method for treating a vertebral bone comprises providing a bone filling material and mixing the bone filling material in a vessel to form a bone augmentation material. The method further comprises pressurizing the vessel with a pressurization source to retain a plurality of voids within the bone augmentation material. The method further includes inserting a material delivery device into the vertebral bone and injecting the bone augmentation material with the retained plurality of voids from the material delivery device and into the vertebral bone. | 12-18-2014 |