Patent application number | Description | Published |
20120292814 | Method for Manufacturing a Medical Implant With a Radiopaque Marker - A method of manufacturing a medical implant comprising a radiopaque marker is described. The method comprises manufacturing a medical implant using stereolithography, wherein the medical implant has an external surface that delimits an opening to a channel. A curable mixture of a biocompatible polymer and a radiopaque material is then inserted into the channel while in a liquid state and cured in the channel so that it solidifies in the channel. | 11-22-2012 |
20130053901 | BONE ANCHORS - A cannulated bone anchor assembly includes a bone anchor, a receiver member for receiving a spinal fixation element to be coupled to the bone anchor, and a closure mechanism to fix the spinal fixation element with respect to the receiver member. The bone anchor includes a distal shaft having a first threaded section proximal a proximal head, a second threaded section proximal to and adjacent the first threaded section, and a third threaded section proximal to and adjacent the second threaded section. The first threaded section having a constant major and minor diameter. The second threaded section having a tapering major and minor diameter. The third threaded section having a tapering major diameter and a constant minor diameter. | 02-28-2013 |
20130096618 | BONE ANCHOR ASSEMBLIES - A bone anchor assembly includes a bone anchor, a receiver member for receiving a spinal fixation element to be coupled to the bone anchor, and a closure mechanism. The closure mechanism is positionable between the arms of the receiver member to capture a spinal fixation element within the receiver member and fix the spinal fixation element with respect to the receiver member. The closure mechanism includes an outer thread engageable with an inner thread on the arms of the receiver member. The inner thread and the outer thread have a thread angle between 5° and 25°. | 04-18-2013 |
Patent application number | Description | Published |
20140277153 | Bone Anchor Assemblies and Methods With Improved Locking - Various exemplary methods and devices are provided for fixing bone anchors to bone. In general, the methods and devices can allow for a bone anchor to be fixed to a bone at a desired angle to a receiver member. In an exemplary embodiment, a bone anchor assembly is provided that includes a bone anchor configured to engage bone, a receiver member that polyaxially seats a spherical head of the bone anchor, and a compression member seated within the receiver member, proximally of the head of the bone anchor. The compression member can have a distal end with gripping features thereon configured to create at least one line contact and/or one band contact with the head of the bone anchor, thus providing a firm grip on the head of the bone anchor and reducing a risk of slippage of the bone anchor with respect to the receiver member. | 09-18-2014 |
20140277157 | Locking Compression Members for Use With Bone Anchor Assemblies and Methods - Various exemplary methods and devices are provided for fixing bone anchors to bone. In general, the methods and devices can allow for a bone anchor to be fixed to a bone at a desired angle to a surface of the bone. In an exemplary embodiment, a bone anchor assembly is provided that includes a bone anchor configured to engage bone, a receiver member for seating a head of the bone anchor, and a compression member for securing the bone anchor at fixed angle with respect to the receiver member when the compression member is seated within the receiver member. Corresponding engagement features of the compression member and the receiver member can be engaged in a secured configuration to inhibit or prevent removal of the compression cap from the receiver member and optionally to substantially prevent longitudinal and/or rotational movement of the compression member with respect to the receiver member. | 09-18-2014 |
20140277159 | BOTTOM-LOADING BONE ANCHOR ASSEMBLIES - Bone anchor assemblies are disclosed herein and include bone anchors, receiver members, and closure mechanisms. In one embodiment, a receiver member can be configured to seat a portion of a bone anchor and to receive a spinal fixation element, such as a rod. In an exemplary embodiment, the receiver member is bottom-loading and can include a seat having an opening that can be selectively increased and decreased in size so as to allow a bone anchor to be bottom-loaded. A force can be applied to the receiver member to increase a size of the opening, allowing a portion of the anchor to pass through the opening and into the seat. A closure element can be coupled to the receiver member and can apply a force to decrease a size of the seat and a size of the opening, angularly fixing the receiver member relative to the bone anchor. | 09-18-2014 |
20140277161 | Bone Anchor Assemblies and Methods With Improved Locking - Various exemplary methods and devices are provided for fixing bone anchors to bone. In general, the methods and devices can allow for a bone anchor to be fixed to a bone at a desired angle to a receiver member. In an exemplary embodiment, a bone anchor assembly is provided that includes a bone anchor configured to engage bone, a receiver member that seats a spherical head of the bone anchor and a spinal fixation element, a compression member seated within the receiver member, proximally of the head of the bone anchor, and a closure mechanism seated within the receiver member, proximally of the compression member. One or more of the receiver member, the compression member, and the closure mechanism can have gripping features thereon configured to secure the bone anchor and/or the spinal fixation element within the receiver member, thereby reducing a risk of slippage of the bone anchor and/or the spinal fixation element with respect to the receiver member. | 09-18-2014 |
Patent application number | Description | Published |
20090198280 | Assembly for Orthopaedic Surgery - An assembly for connecting a support element to a bone. The assembly comprises: a bone screw having a head at one end of a threaded shaft; and a clamp comprising: a base at a first end of the clamp delimiting an opening for receiving the head of the bone screw; and at least two side members extending from the base towards a second end of the clamp. The head of the bone screw and the clamp are configured to allow the head of the bone screw to be inserted into the base from the direction of the first end at a first orientation of the base to the bone screw, and to retain an inserted bone screw within the base at a second orientation of the base relative to the bone screw. | 08-06-2009 |
20120004665 | GUIDEWIRE INSERTION METHODS AND DEVICES - Various methods and devices for inserting a guidewire into the body are provided. In one embodiment, a guidewire insertion device is provided and includes and outer sheath having an outer surface and an inner lumen extending therethrough, and a dilator having an inner lumen extending therethrough and having a length greater than a length of the outer sheath. A guidewire can be configured to extend through the inner lumen of the dilator such that the guidewire is removably and replaceably disposable within the dilator and coupled thereto. A locking mechanism can be effective to selectively configure the guidewire between a locked position in which the guidewire is stationary relative to the dilator and an unlocked position in which the guidewire is movable relative to the dilator. | 01-05-2012 |
20140114291 | GUIDEWIRE INSERTION METHODS AND DEVICES - Various methods and devices for inserting a guidewire into the body are provided. In one embodiment, a guidewire insertion device is provided and includes and outer sheath having an outer surface and an inner lumen extending therethrough, and a dilator having an inner lumen extending therethrough and having a length greater than a length of the outer sheath. A guidewire can be configured to extend through the inner lumen of the dilator such that the guidewire is removably and replaceably disposable within the dilator and coupled thereto. A locking mechanism can be effective to selectively configure the guidewire between a locked position in which the guidewire is stationary relative to the dilator and an unlocked position in which the guidewire is movable relative to the dilator. | 04-24-2014 |
20140277137 | DEVICES AND METHODS FOR MONOAXIAL SCREW CONVERSION - Devices and methods for selectively converting polyaxial bone screws into monoaxial screws are described herein. In one embodiment, a spinal screw extension instrument is provided having an outer component configured to engage a receiving member of a polyaxial screw. The instrument further includes an inner component disposed within an inner lumen of the outer component and configured to translate longitudinally relative to the outer component such that the inner component can apply a distal force to a compression member of the polyaxial screw disposed within a distal portion of the receiving member to thereby convert the polyaxial screw to a monoaxial screw. | 09-18-2014 |
20140277158 | BOTTOM-LOADING BONE ANCHOR ASSEMBLIES AND METHODS - Bone anchor assemblies and methods are provided having a multi-component bone anchor that is configured to allow the shank of the bone anchor to be bottom loaded into a receiver member. In one embodiment, a bone anchor assembly is provided having a shank with a distal threaded portion and a proximal head portion, a ball having a spherical exterior surface and a central lumen sized to receive the head portion of the shank, and a clip configured to be engaged between the head portion and the ball such that the clip is effective to lock the ball in engagement with the shank. | 09-18-2014 |
20140277189 | BONE ANCHOR ASSEMBLIES WITH MULTIPLE COMPONENT BOTTOM LOADING BONE ANCHORS - Bone anchor assemblies and methods are provided having a multi-component bone anchor that is configured to allow the shank of the bone anchor to be bottom loaded into a receiver member. In one embodiment, a bone anchor assembly is provided having a shank with a distal threaded portion and a proximal head portion, a receiver member having an aperture formed in a distal end thereof through which the head portion of the shank can be received, the receiver member defining a polyaxial seat, a non-expandable outer ring configured to be polyaxially disposed within the polyaxial seat of the receiver member and defining a central opening through which the head portion of the shank can be received, and an expandable inner ring having an inner surface configured to mate with the head portion of the shank and an outer surface configured to mate with an inner surface of the outer ring to thereby lock the outer ring in a fixed position relative to the shank. | 09-18-2014 |
Patent application number | Description | Published |
20150152996 | BASE FOR A GENERATOR - A base made of a composite material supports a generator assembly. The base may support a number of components of the generator assembly, including an alternator, an engine, a control panel, a fuel tank, and a lifting frame. The base may include first and second tiers that are in two different horizontal planes for mounting of the alternator on one tier and the engine on the second tier, with a drive shaft of the alternator being aligned with a drive shaft of the engine. The base may include ribs extending from an under side of a support surface of the base in order to distribute loads and withstand stresses that result from the weight of the generator assembly. | 06-04-2015 |
20150176751 | BASE FOR A GENERATOR - A base made of composite material is configured for supporting a generator. The base may experience some vibrations transferred from the generator. The base may include one or more mounting members to secure the generator to the base. The mounting members are located at least partially over each of a plurality of access pockets provided in the base. The mounting members are arranged over the access pockets to provide an access to the underneath of the mounting member. | 06-25-2015 |
20150207383 | BASE FOR A GENERATOR - A generator assembly may include a base made of a composite material for supporting a plurality of components including an alternator, and engine, and a fuel tank for storing the fuel for the operation of the engine. The base may include a recess formed in a support surface of the base, and a lid configured to be detachably mounted to the support surface to close the recess and form the fuel tank. The lid may include a baffle configured to extend into the recess and separate and define a fuel feed chamber and a return flow chamber in the recess. | 07-23-2015 |
Patent application number | Description | Published |
20080282183 | Ophthalmic Lens Design and/or Dispensing - A method of designing and/or selecting a progressive addition lens design for a wearer is disclosed. In an embodiment, the method includes displaying a graphical representation of an initial progressive addition lens design including design parameters having design values. A user interface is provided including, for each of one or more of the design parameters, a control that is adjustable over a range of levels, each level in the range being associated with a corresponding value of the respective design parameter. A control is adjusted to select a level and the selection is processed so as to substantially simultaneously update the displayed graphical representation in accordance with the selected level to provide a modified progressive lens design. A system for designing and/or selecting a progressive addition lens design for a wearer is also disclosed. | 11-13-2008 |
20090257026 | Ophthalmic Lens Element for Myopia Correction - An ophthalmic lens element ( | 10-15-2009 |
20090290125 | ARRAY OF PROGRESSIVE OPHTHALMIC LENS ELEMENTS - An array of progressive ophthalmic lens elements is disclosed. The progressive ophthalmic elements contained in the array having substantially the same addition power and substantially the same optical prescription for distance vision. Each of the progressive ophthalmic lens elements has a progressive lens design characterised by a set of parameters defining a distance zone providing a refracting power for distance vision, a near zone providing a refracting power for near vision and a corridor having a refracting power varying from that of the distance zone to that of the near zone. The progressive ophthalmic lens elements provide, for a range of values or categories of at least two lifestyle and/or biometric parameters of lens wearers, different progressive lens designs in which at least two of the lens design parameters each have a respective value or characteristic attributable to, or associated with, a particular value or category of a respective one of the lifestyle and/or biometric parameters. | 11-26-2009 |
20110255052 | METHOD FOR OPTIMIZING A SPECTACLE LENS FOR THE WAVEFRONT ABERRATIONS OF AN EYE AND LENS - The current invention is directed to a method for designing an ophthalmic lens element, the method comprising the steps of determining a wavefront aberration of an eye in a reference plane, wherein the wavefront aberration of the eye can be described by a first series of polynomials of ascending order up to a first specific order and corresponding first coefficients; and determining a first vision correction of a second specific order to obtain an adapted ophthalmic lens element; determining at least one specified point over an aperture of the adapted ophthalmic lens element; determining a high-order wavefront aberration in the reference plane for each specified point of the adapted ophthalmic lens element, wherein the high-order wavefront aberration can be described by a third series of polynomials of ascending order above the second specific order up to and including the first specific order and corresponding third coefficients; determining a second vision correction of the second specific order for each of the specified points to obtain an optimized ophthalmic lens element based on the first vision correction up to and including the second specific order and based on combined first and third coefficients above the second specific order and up to and including the first specific order. Further, the current invention is directed to a method for manufacturing an ophthalmic lens element, a computer program product and a system for carrying out the methods. | 10-20-2011 |
20110261318 | MULTI-FOCAL LENSES WITH SEGMENTED BOUNDARIES - The invention provides multi-focal segmented lenses with boundaries that include at least one blended portion and at least one sharp portion. The lenses may possess, for example, the aesthetic advantage of blended multi-segment or progressive lenses while largely retaining the functional advantage of multi-segment lenses with sharp segment boundaries. | 10-27-2011 |
20130107204 | WAVEFRONT OPTIMIZED PROGRESSIVE LENS | 05-02-2013 |
20140078464 | PUPIL DEPENDENT WAVEFRONT REFRACTION - A method of determining an ophthalmic prescription (Rx) for a patient's eye, includes obtaining a wavefront measurement of the patient's eye; determining a first Rx for the patient's eye from the wavefront measurement, the first Rx corresponding to a maximum value of a merit function calculated from the wavefront measurement of the patient's eye for a first size of the pupil of the patient's eye; determining one or more additional Rx's of the patient's eye for one or more additional pupil sizes different from the first pupil size, wherein each additional Rx is determined for a corresponding size by calculating a value of the merit function for the previously-calculated Rx at the corresponding size and searching for an Rx at the corresponding size that provides a larger value of the merit function than the previously-calculated Rx at the corresponding size; determining a final Rx based on the first Rx and the additional Rx's; and outputting the final Rx. | 03-20-2014 |
20140218681 | STATISTICAL AUTOREFRACTOR - Methods for determining a prescription (Rx) for a person include providing aberrometric data characterizing wavefront errors of the person's eye, the aberrometric data being obtained using an wavefront sensor and comprising one or more coefficients characterizing the wavefront errors; determining a starting Rx for the person's eye based on the one or more coefficients and on predetermined information relating aberrometric data and subjective refraction data for a plurality of people's eyes; and reporting the starting Rx to an eye care professional. | 08-07-2014 |
20140253874 | LOW DISTORTION EYEWEAR LENS WITH LOW OPTICAL POWER - A lens for non-prescription eyewear includes: a first surface having a first surface shape; and a second surface opposite the first surface, the second surface having a second surface shape, wherein the first surface includes a point of maximum curvature and the shape of the first surface measured along a line on the first surface decreases by at least 1.5 diopters at a distance 15 mm in every direction from the point of maximum curvature. | 09-11-2014 |
20150134473 | APPARATUS AND METHOD FOR ASCERTAINING A TYPE OF SPECTACLE LENS AND APPARATUS AND METHOD FOR DETERMINING A REFRACTIVE POWER DISTRIBUTION OF A PROGRESSIVE SPECTACLE LENS - An apparatus is for ascertaining and outputting a type of spectacle lens suitable for a spectacle wearer with a visual characteristics providing device, for providing visual characteristics of the spectacle wearer, a needs providing device, for providing individual needs of the spectacle wearer, a spectacle lens type providing device, for providing a plurality of types of spectacle lenses having predetermined characteristics, a desired characteristics ascertaining device, for ascertaining desired characteristics of a type of spectacle lens using the provided visual characteristics and the provided individual needs of the spectacle wearer, an assigning device, for assigning at least one type of spectacle lens from among the plurality of types of spectacle lenses to the desired characteristics, on the basis of predetermined assignment rules, and a spectacle lens type outputting device, for outputting the at least one assigned type of spectacle lens. A method is for ascertaining and outputting a type of spectacle lens suitable for a spectacle wearer and also a computer program is for carrying out the method. | 05-14-2015 |