DEPUY (IRELAND) Patent applications |
Patent application number | Title | Published |
20150282820 | ROTATABLE PATELLA DRILL GUIDE - A patella drill guide includes a base portion rotatably mounted on a bone-gripping component. A trial portion with a contoured articulation surface is above the base portion. The base portion and trial portion have aligned drill guide bores. The base portion and trial portion can be rotated together on the bone-gripping component to optimize the positions of the drill guide bores with respect to the patella surface, thereby optimizing the locations of the mounting pegs of the patella implant component on the patella to optimize the orientation of the patella implant component. The base and the bone-gripping component may be unitary so that the entire assembly rotates on the patella about the central longitudinal axis of the bone-gripping component. | 10-08-2015 |
20150174801 | MANUFACTURING METHOD AND PRODUCTS - A method of manufacturing a surgical instrument or prosthesis and an injection moulded surgical instrument or prosthesis are described. A first material is injected into a first mould to form an interim component. A second material is injected into a second mould containing at least part of the interim component to form the surgical instrument or prosthesis such that portions of the first and second materials are exposed at the external surface of the surgical instrument or prosthesis. The first and second materials are visually distinct such that at least one exposed portion of the first or second material adjacent to an exposed portion of the other material forms a marking which is visible to a user. | 06-25-2015 |
20150173774 | BONE SIZING GUIDE - A bone sizing guide for assessing the size of an end of a bone includes a body ( | 06-25-2015 |
20140343562 | FEMORAL SIZING INSTRUMENT - A femoral sizing instrument for use in a knee joint replacement procedure has a housing which includes formations by which it can be located relative to the femoral posterior condyles. A cortex arm has a tip for engaging the anterior cortex of the femur and a sulcus arm has a tip for engaging the sulcus. Each of the cortex and sulcus arms can be adjusted relative to the housing to adjust the distance between its tip and the posterior condyles measured generally parallel to the anterior posterior axis. The instrument includes at least one scale for indicating the positions of the tips of the cortex and sulcus arms relative to the posterior condyles. | 11-20-2014 |
20140243987 | ORTHOPAEDIC KNEE PROSTHESIS HAVING CONTROLLED CONDYLAR CURVATURE - An orthopaedic knee prosthesis includes a tibial bearing and a femoral component configured to articulate with the tibial bearing. The femoral component includes a condyle surface curved in the sagittal plane. The radius of curvature of the condyle surface decreases gradually between early-flexion and mid-flexion. Additionally, in some embodiments, the radius of curvature may be increased during mid-flexion. | 08-28-2014 |
20140222007 | METHOD FOR PERFORMING AN ORTHOPAEDIC SURGICAL PROCEDURE - A method for performing an orthopaedic surgical procedure on a knee joint of a patient includes resecting a proximal end of a patient's tibia to create a resected surface of the patient's tibia and positioning a tibial paddle of a sensor module on the proximal end of the patient's tibia. The tibial paddle includes a sensor array generating sensor signals indicative of the joint force of the patient's knee joint. The method also includes performing a number of orthopaedic surgical steps while monitoring a display of the sensor module that provides a visual indication of the medial-lateral balance of the joint force of the patient's knee joint. | 08-07-2014 |
20140194858 | MANUFACTURING METHOD AND PRODUCT - A method of manufacturing a surgical instrument or prosthesis and a surgical instrument or prosthesis so manufactured are described. A first material is injected into a first mould to form an interim component. Portions of the interim component define at least one channel. The maximum wall thickness of the interim component is less than a first threshold determined by the injection moulding properties of the first material. The maximum width of the at least one channel is less than a second threshold determined by the injection moulding properties of a second material. The second material is injected into a second mould containing at least part of the channel of the interim component so that the channel is at least partially filled with the second material. | 07-10-2014 |
20140172112 | ATTACHMENT MECHANISM - An attachment mechanism, method of manufacture and method of use are described for releasably attaching a first component and a second component of an orthopaedic apparatus. The attachment mechanism comprises a boss extending from a surface of the first component, and having a free end and a side wall. A retaining mechanism is provided in the second component. The retaining mechanism comprises a plurality of walls defining an aperture in the second component to receive the boss therein. At least part of one of the plurality of walls is a resiliency flexible member engineered to apply sufficient force to a part of the side wall of the boss when inserted in the aperture to provide an interference fit between the boss and the plurality of walls of the aperture to releasably retain the boss within the aperture. | 06-19-2014 |
20140148811 | FEMORAL SIZING GUIDE - A femoral sizing guide for locating an alignment axis on a resected femoral surface at a distal end of a femur, the femoral sizing guide including a body, a superstructure and a stylus. | 05-29-2014 |
20140114425 | IMPLANT - An implant ( | 04-24-2014 |
20140107794 | PROSTHESIS FOR CEMENTLESS FIXATION - A joint prosthesis system is suitable for cemented fixation. The system has two metal implant components and a bearing. One of the metal implant components has an articulation surface for articulation with the bearing. The other metal implant component has a mounting surface for supporting the bearing. One of the metal implant components includes an extension, such as a stem or pegs, with an exposed outer surface. The metal implant component from which the extension extends comprises titanium and the exposed outer surface of the extension comprises a different form of titanium. A method of making the joint prosthesis is also disclosed. | 04-17-2014 |
20140048431 | SURGICAL PACK - A surgical pack, method of providing a surgical pack and method of use are described. The surgical pack comprises ( | 02-20-2014 |
20130338780 | ANTHROPLASTY PLATE - An arthroplasty plate and method of use to repair a fractured end of a bone are described. The arthroplasty plate comprises a fixation plate ( | 12-19-2013 |
20130338671 | ANGULAR ADJUSTMENT MECHANISM, SURGICAL ALIGNMENT GUIDE AND SURGICAL INSTRUMENT ASSEMBLY - An angular adjustment mechanism for a surgical instrument is described. The mechanism comprises an adjustment member ( | 12-19-2013 |
20130331844 | SURGICAL CUTTING GUIDE, SURGICAL ALIGNMENT GUIDE AND SURGICAL INSTRUMENT SYSTEM - A surgical cutting guide ( | 12-12-2013 |
20130325132 | TRIAL INSTRUMENT ASSEMBLY FOR USE IN A SURGICAL PROCEDURE - A trial instrument assembly for use in a surgical procedure to replace an orthopaedic joint includes a trial implant having a stem portion for fitting within a prepared cavity in the patient's bone. The stem portion defines a stem axis. A neck portion is connected to the stem portion to protrude from the cavity when the stem portion is within the cavity. The assembly includes a plane guide that extends from the neck portion in a plane that is selected from (i) a plane perpendicular to the stem axis, and (ii) a plane parallel to the stem axis, for use in determining the location of the trial implant relative to an anatomical feature in a direction measured along the stem axis or perpendicular to the stem axis, respectively. | 12-05-2013 |
20130319888 | SURGICAL INSTRUMENT TRAY - A support, a tray for surgical instruments and a method of manufacture are described. The support is used in a surgical tray to support surgical instruments and comprises a rigid part having a free end presenting a formation arranged to accept a part of a surgical instrument and a foot by which the support can be attached to a base of a surgical tray. The support is resiliently deformable so as to substantially return the support to an initial position if the support is knocked in use. The surgical tray includes can hold a plurality of surgical instruments, and comprises a body having walls defining an opening and a base, a lid engagable with the opening to close the tray and a plurality of supports extending from the base. | 12-05-2013 |
20130317501 | SURGICAL INSTRUMENT SYSTEM, SURGICAL ALIGNMENT GUIDE AND SURGICAL ROD - A surgical instrument system is described which comprises an alignment guide ( | 11-28-2013 |
20130304076 | SURGICAL INSTRUMENT WITH HIGH CONTRAST MARKING AND METHOD OF MARKING A SURGICAL INSTRUMENT - A surgical instrument comprising a symbol formed in or on a smooth surface surrounding the symbol, wherein the symbol comprises a plurality of angled surfaces over at least part of the area of the symbol, wherein the angled surfaces define a plurality of parallel ridges and grooves in the symbol. These ridges and grooves create an improved contrast for the symbol relative to the surrounding surface by a combination of different specular reflection of incident light compared to the surrounding surface and shadows formed by the ridges and grooves. A method of marking a surgical instrument with a symbol formed in or on a smooth surface is also described. The method comprises forming a symbol in or on a smooth surface of the surgical instrument; and forming a plurality of angled surfaces over at least part of the area of the symbol, wherein the angled surfaces define a plurality of parallel ridges and grooves in the symbol. | 11-14-2013 |
20130296875 | PIN IMPACTOR - A multi-pin pin impactor and method of use are described. The pin impactor includes a body which can be held by a user and manipulated to re-position the pin impactor during use. First and second pin holders are attached to the body and each include a pin release mechanism effective to releasably retain a pin within the pin holder. An impaction can have a force applied to apply a driving force to a one of the pins. In use, a first pin held by the pin impactor is introduced into an aperture in a surgical instrument mounted on a bone. A force is applied to the pin impactor to drive the first pin into the bone. The orientation or position of the pin impactor is changed to introduce a second pin held by the pin impactor into a second aperture in the surgical instrument without re-loading the pin impactor and a force is applied to the pin impactor to drive the second pin into the bone. | 11-07-2013 |
20130197652 | ROTATABLE COLLAR FOR A PROSTHESIS | 08-01-2013 |
20130144302 | SURGICAL INSTRUMENT - A surgical instrument comprising a first component ( | 06-06-2013 |
20130138112 | DISTRACTOR - A surgical distractor comprising a base plate ( | 05-30-2013 |
20130131682 | SURGICAL INSTRUMENT AND SURGICAL INSTRUMENT SYSTEM - A surgical instrument for attachment to a cutting block having a cutting slot defining a cutting plane is described. The surgical instrument comprises a dual purpose indicator ( | 05-23-2013 |
20130103160 | COMPOSITE TRIAL PROSTHESIS - A composite trial prosthesis comprises a first component ( | 04-25-2013 |
20120265177 | ELASTOMERIC GRIP FOR A SURGICAL INSTRUMENT - A surgical instrument comprising: a first component ( | 10-18-2012 |
20120143199 | SURGICAL INSTRUMENT AND SYSTEM OF SURGICAL INSTRUMENTS - A surgical instrument, for example a cutting block for use in knee surgery, comprises a mounting surface defining at least one opening for receiving a mounting projection. The mounting surface further defines a blind recess which extends linearly from the at least one opening. The blind recess may extend to an edge of the mounting surface. A system including a surgical instrument and one or more mounting projections is also disclosed. The blind recess can be used as a track to guide a projection to an opening, increasing the area of the instrument that can be used to locate the projection in the correct position. The recess acts as a guide for the projection to enter the opening by providing tactile feedback to guide the projection towards the opening. If the recess also extends to the edge of the instrument, the recess may be visible more easily when the surgeon is installing the instrument providing visual as well as tactile feedback. | 06-07-2012 |
20120123429 | SURGICAL INSTRUMENT - A multi-function impactor for use with an orthopaedic implant, such as a knee joint, is described. The head of the impactor has a pair of curved recesses for mating with condylar parts of a femoral implant and flat faces for mating with a tibial implant. An extended formation is also provided for use with the inter-condylar notch of the femoral implant. A v-shaped notch in the extended formation is also provided to impact a tibial insert. The impactor can be made from a single moulded plastics part. | 05-17-2012 |
20110266280 | COVER - A cover and method of covering a sterilizable medical container are described. The cover is used to cover a sterilizable medical container wrapped in at least one sheet of a wrapping material. The cover has a body including an upper member configured to hold the wrapping material against an upper portion of the container and a lower member configured to hold the wrapping material against a lower portion of the container. The body can be assembled about the wrapped container to hold the wrapping material about the container. At least one handle extends from the body which can be held by a user to move the covered wrapped container. | 11-03-2011 |
20110130845 | CUP COMPONENT OF AN ORTHOPAEDIC JOINT PROSTHESIS - A cup component of an orthopaedic joint prosthesis comprises a hollow shell wherein the head part of a mating component of the joint can be received. The shell has a flange at its open face extending around at least part of its periphery with at least two major threaded bores extending through the flange. The flange also provides at least one minor threaded bore, wherein the diameter of the minor bore is less than that of the major bores and the pitch of the thread in the minor bore is less than that of the thread in the major bores. The cup component includes at least two fixation screws whose shanks have approximately equal diameters, each of which is threaded on its external surface (i) to engage the thread a respective one of the bores in the shell flange, and (ii) to threadingly engage the bone, and a temporary screw having a self-drilling tip for forming a bore in a bone, and a diameter and a thread which are suitable for threadingly engaging the thread in the minor bore. | 06-02-2011 |
20110130766 | APPARATUS AND MEASURING INSTRUMENT - An apparatus and measuring instrument ( | 06-02-2011 |