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Knee patents



      
           
This page is updated frequently with new Knee-related patent applications. Subscribe to the Knee RSS feed to automatically get the update: related Knee RSS feeds. RSS updates for this page: Knee RSS RSS


Apparatus for preoperative planning of artificial knee joint replacement operation and jig for supporting operation

Apparatus for preoperative planning of artificial knee joint replacement operation and jig for supporting operation

Power assisted orthosis with hip-knee synergy

Power assisted orthosis with hip-knee synergy

Power assisted orthosis with hip-knee synergy

Ligament system for knee joint

Date/App# patent app List of recent Knee-related patents
12/11/14
20140364955
 Orthopedic shock damper system patent thumbnailOrthopedic shock damper system
A shock absorbent system for a joint prosthesis includes a shock absorbent material. The shock absorbent system may be used in both hip and knee joint prostheses.
12/11/14
20140364856
 Apparatus for preoperative planning of artificial knee joint replacement operation and jig for supporting operation patent thumbnailApparatus for preoperative planning of artificial knee joint replacement operation and jig for supporting operation
Steps s101 and s102 of displaying images which input two-dimensional tomographic images of the lower limb including the knee joint and displays three-dimensional images of the femur and the tibia including the knee joint from the image input, steps s103 to s105 and s106 to s108 of determining artificial joint which determine the artificial joint to be replaced from the three-dimensional images of each knee joint of the femur and tibia, and steps s113 and s114 of parameter determination which determine various parameters used in an artificial knee joint replacement operation using an alignment rod in the marrow to be inserted into the femur based on the artificial joint and reference points of the knee joint determined in steps s103 to s105 of determining femur side artificial joint are performed by a computer.. .
12/04/14
20140358053
 Power assisted orthosis with hip-knee synergy patent thumbnailPower assisted orthosis with hip-knee synergy
A power-assisted orthosis is shown and described. The power assisted orthosis may include a knee orthosis adapted to be secured to at least one of a user's knee joint, a hip orthosis adapted to be secured to a user's hip joints, and a first actuator attached with the knee orthosis, the first actuator moveable in conjunction with movement of the at least one of the user's knee joint.
11/27/14
20140350674
 Ligament system for knee joint patent thumbnailLigament system for knee joint
A system for an anatomical joint includes a first fastener, a second fastener, a prosthetic ligament member, and a biasing member associated with at least one of the first and second fasteners. The first fastener is operable to be connected to a first bone portion.
11/20/14
20140343573
 Method of preparing a femur and tibia in knee arthroplasty patent thumbnailMethod of preparing a femur and tibia in knee arthroplasty
A method of preparing a femur and tibia in surgery on a knee joint using a navigation system and a robotic system. The navigation system tracks movement of the femur and tibia during the surgery.
11/20/14
20140343562
 Femoral sizing instrument patent thumbnailFemoral 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.
11/20/14
20140343472
 Elastic brace assembly and methods of use patent thumbnailElastic brace assembly and methods of use
Example embodiments of the brace assembly utilize an elastic cross strap attached to mounting facilities about a joint to provide progressive resistance to the extension, flexion or other movement of body parts about the joint. In some embodiments for a knee joint, the brace assembly provides a progressive resisting force to resist hyperextension of the knee.
11/13/14
20140336774
 Patient selectable knee arthroplasty devices patent thumbnailPatient selectable knee arthroplasty devices
Disclosed herein are methods and devices for repairing articular surfaces in a knee joint. The articular surface repairs are customizable or highly selectable for each patient and geared toward providing optimal fit and function.
11/13/14
20140336762
 Method and system for knee joint repair patent thumbnailMethod and system for knee joint repair
A method and system for repairing a defect area in a surface of a joint include providing a mold having a first surface and a second surface, positioning the mold within the joint such that at least part of the mold first surface overlies the defect area, and depositing a repair material under the mold first surface within the defect area to create a repaired site within the joint.. .
11/13/14
20140336760
 Device for implanting a system for loading a cruciate ligament in a knee joint patent thumbnailDevice for implanting a system for loading a cruciate ligament in a knee joint
A device for implantation in a bone is disclosed, wherein this device is a component part of a system, for controlled loading of the reconstructure anterior crucual ligament (acl) of a knee joint. The device may comprise an outer body, which is provided with a damping mechanism between a distal end and a proximal end.
11/13/14
20140336659
Femoral sizing jig, femur resecting system, and method
A femoral sizing jig for use in total arthroplasty of left and right knees, comprises a femoral body, an external-rotation-angle arm which is, preferably pivotable, relative to the femoral body for setting an external angular rotation of a left or right femur, at least one of a cutting-jig guide and a cutting jig which is, preferably slidable, relative to the femoral body and in unison with movement of the external rotation-angle arm, and a medial posterior-condylar locator which is movable in unison with the movement of the external-rotation-angle arm, so as to maintain a fixed or substantially fixed relative distance with a medial side of the at least one of a cutting-jig guide and a cutting jig. A posterior-referencing femur resecting system using said femoral sizing jig and a method of resecting a femur at a knee joint relative to the medial posterior condyle are also provided..
11/13/14
20140332320
Stairlifts
A stairlift and/or a method of supporting a user on a stairlift in which the seat is configured to positively retain the user and in which the seat-to-footrest height is set so as to reduce flexure of the knee joints as well as to reduce the intrusion of the passenger into the stairway.. .
11/13/14
20140331524
Article of footwear for proprioceptive training
A method of proprioceptive training using an article of athletic equipment having an article of footwear, a knee coupling member, and a biasing member is disclosed. The method includes securing the article of footwear to a foot and securing the knee coupling member to a leg superiorly and inferiorly about a knee joint thereof.
11/06/14
20140330388
Artificial knee joint implant
An artificial knee joint includes a femoral component and a tibial plate. The femoral component includes a first joint face disposed adjacent to a medial collateral ligament of a patient, and a second joint face disposed adjacent to a lateral collateral ligament of the patient.
11/06/14
20140325734
Garment
A garment including a trunk portion and a pair of leg portions extending from the trunk portion. An opening extends along the trunk portion between a distal trunk opening and along the leg portions to distal ends of the leg portions for facilitating donning and doffing the garment by receiving a user within the trunk opening and leg openings.
10/30/14
20140324058
Patient-specific knee alignment guide and associated method
A method of preparing a knee joint for a prosthesis in a patient includes mating a patient-specific three-dimensional curved inner surface of a femoral alignment guide onto a corresponding three-dimensional femoral joint surface of the patient. The patient-specific three-dimensional curved inner surface is preoperatively configured from medical scans of the knee joint of the patient.
10/23/14
20140316317
Orthotic device for treating knee flexion contracture
A double upright knee brace for treating knee flexion contracture includes upper and lower sections, each section having a pair of leg members and an anteriorly disposed integral thigh and shin cuff. A pair of hinges is intermediately positioned to the upper and lower sections.
10/16/14
20140309560
Apparatus and method for measuring forces in a knee joint
An apparatus for measuring forces in a knee joint. The apparatus includes a first transducer configured to be position in a medial compartment of the knee joint.
10/16/14
20140305444
Method and apparatus for restraining a patient's leg during leg surgical and interventional procedures
An improved method and apparatus for restraining a patient's leg during knee surgery or similar procedure features and improved restraining member that is attachable to an operating room table. The restraining member has a lower concave portion that engages the upper portion and sides of the patient's leg.
10/02/14
20140296991
Hip & knee joint assemblies incorporating debris collection architecture between the ball and seat interface
A joint implant assembly including a spherical shaped component adapted to securing to an end of a first joint defining bone and a recess shaped component adapted to securing to an end of a second joint defining bone. Each of the components establishes an opposing wear surface, at which microscopic sized particles build up over time resulting from prolonged use of the joint.
10/02/14
20140296981
Tensioned meniscus prosthetic devices and associated methods
A prosthetic device for use as an artificial meniscus is disclosed. The prosthetic device restores shock absorption, stability, and function to the knee joint after removal of the damaged natural meniscus.
10/02/14
20140296859
Cut guide attachment for use in tibial prosthesis systems
Tibial prosthesis systems for implantation or use in a knee joint are disclosed. A tibial prosthesis system for implantation on a resected tibia can include a bearing component, a base component, and a shim component.
10/02/14
20140289962
Hammock with intermediate support
A hammock is supported by vertical supports connected to hammock spreader bars at the head end and the foot end of the hammock at two vertically displaced points. An intermediate support comprising a transverse flexible strap suspended between the vertical support members at a user's knee region of the hammock raises the hammock in the knee region so as to remove the concavity at the location and reduce backward knee joint stress on the person reclining in the hammock..
09/25/14
20140288658
Disposable modular patella protector/clamp
A disposable modular patella protector and clamp is disclosed, providing the ability for a surgeon to shift the procedure sequence of the implantation of the patella from the end of a total knee replacement procedure to anytime during the procedure by providing a modular clamp that holds and protects the patella prosthesis and prepared patella. The clamp may be positioned in a manner in which it does not obstruct the patella or the prosthesis, allowing the surgeon to attend to other elements of the procedure while the bone cement is allowed to cure..
09/25/14
20140288564
Femoral cut guide
The present disclosure provides a femoral cut guide for preparing a distal femur to receive a prosthetic femoral component of a knee implant. The prosthetic femoral component includes a central box.
09/25/14
20140288464
Prosthetic knee joint measurement system including energy harvesting and method therefor
An orthopedic implant having an energy-harvesting device is disclosed. In one embodiment the orthopedic implant is a prosthetic component of a joint of the muscular-skeletal system.
09/18/14
20140277549
Low profile knee implant
A femoral implant for use as a component of an artificial knee having a thin, lightweight body with an articulating surface and an interior surface, the interior surface having one or more reinforcing members extending therefrom and extending across a substantial portion of said surface.. .
09/18/14
20140277537
Prosthetic knee implant
Knee implant systems and methods for implantation or use in a knee joint, are disclosed. A knee implant system can include at femoral component having a femur-contacting surface and an opposing articulation surface, and proximal, distal, anterior and posterior portion.
09/18/14
20140277534
Knee prosthesis including rotatable spine
A knee joint prosthesis is disclosed. The knee joint prosthesis can include a tibial baseplate, a tibial insert, and a spine.
09/18/14
20140277451
Meniscus prosthetic devices with anti-migration or radiopaque features
A prosthetic device for use as an artificial meniscus is disclosed. The prosthetic device restores stress distribution, stability, and function to the knee joint after removal of the damaged natural meniscus.
09/18/14
20140277444
Structure and method for treating patello-femoral osteoarthritis
Implant apparatus and methods directed toward treating conditions involving the knee joint and the patella specifically are disclosed. Implants that maintain alignment or address misalignment of a patella through a full range of motion of the knee joint are disclosed..
09/18/14
20140277271
Device and methods for preventing knee sprain injuries
Devices and methods for preventing knee sprain injuries. To protect the knee joint from knee sprain injuries, the device comprises a sensing part configured to sense data associated with knee motion; an analyzing part configured to analyze the knee motion data to determine a knee articulation; and a stimulating part configured to stimulate one or more lower limb muscles to initiate an earlier muscle reaction than would naturally occur in response to the determined knee joint articulation.
09/18/14
20140276864
Systems and methods for providing alignment in total knee arthroplasty
Systems and methods for providing alignment in total knee arthroplasty operations are provided herein. The systems and methods generally include a plurality of sensors coupled to a patient's bones or other surgical tools, the sensors detect their position and orientation in space and communicate this information to a processor.
09/11/14
20140257502
Anterior stabilized pcl retaining total knee prosthesis
A knee prosthesis that includes a tibial component and femoral component. The tibial component includes an articular surface, a posterior portion and an anterior portion.
09/11/14
20140257500
Resilient knee implant and methods
This disclosure is directed to a resilient interpositional arthroplasty implant for application into a knee joint to pad cartilage defects, cushion a joint, and replace or restore the articular surface, which may preserve joint integrity, reduce pain and improve function. The implant may endure variable joint compressive and shear forces and cyclic loads.
09/11/14
20140257307
Extramedullary resection guide and methods
A bone cut positioning system and associated method are disclosed. The bone cut positioning system can include a positioning assembly, including a femoral attachment member, including a tongue with at least one fixation aperture configured to be fixed to a distal end of a femur.
09/04/14
20140249534
Bony balancing apparatus and method for total knee replacement
Total knee replacement surgery is improved through custom cuts on the distal femur without resorting to expensive computer navigation. The method involves measurements on plain radiographs or ct scans prior to surgery, the amount of bone that would be resected on each knee, medially and laterally on the distal femur.
08/28/14
20140243989
Artificial knee joint implant
The present invention provides a ps-type artificial knee joint implant, with which the gap balance can be adjusted in order to realize a stable deep flexion movement, the burden on a surgeon and a patient can be reduced, and the patient can perform a natural flexion movement. An artificial knee joint implant 1 includes femoral components, one of which is selected and attached to a distal portion of a femur of the patient, and tibial inserts, one of which is selected and attached to a proximal portion of a tibia of the patient.
08/28/14
20140243988
Knee prosthesis
Tibial inserts and tibial femoral systems are provided for improved knee reconstruction systems. External rotation of a knee joint implant is enhanced by modifications to the post, providing a recess that allows clearance of the post against the corners of a box wall within the femoral component.
08/28/14
20140243723
Knee support
A knee support comprising a support main body for covering a knee joint, and a strap to be wound around and attached on an outer surface of the support main body helically while being pulled in the direction opposite to an inner rotation direction of the joint, wherein a projection to be contacted with an inner side of a shinbone below the knee when wearing is provided on the inner surface of the support main body or the inner surface of the strap.. .
08/21/14
20140236305
Surgical guide for implanting a knee prosthesis
The invention relates to a surgical guide (1, 1′) for implanting a knee prosthesis, advantageously capable of allowing the intraoperative balancing of the knee ligaments, comprising: a first component (g1, g1′) intended for uniquely coupling with the distal epiphyseal end (ed) of a femur (fe); a template (gr, gr′) rotatably mounted with respect to said first component (g1, g1′) and intended for guiding a marking operation of said distal epiphyseal end (ed) aimed to determine the position of a knee prosthesis to be implanted; and a second component (g2) intended for solidly coupling said template (gr, gr′) with a proximal epiphyseal end (ep) of a tibia (ti) corresponding to said femur (fe).. .
08/21/14
20140235745
Oxidation-resistant and wear-resistant polyethylenes for human joint replacements and methods for making them
The present invention presents methods for making oxidation-resistant and wear-resistant polyethylenes and medical implants made therefrom. Preferably, the implants are components of prosthetic joints, e.g., a bearing component of an artificial hip or knee joint.
08/21/14
20140230828
Device for protecting the knee joint that is able to engage with a ski boot
A device for protecting the knee joint of a skier, the device being for installing on a ski boot having a footwear portion surmounted by a collar, the device having first connector designed to be fastened to the collar of the boot and a shell designed to cover the front of the tibia of the skier, the shell extending between a high portion for being situated level with the skier's knee and a low portion covering a portion of the collar of the boot, the shell supporting, on its high portion, lateral flanges suitable for being put into contact with the knee on either side of the knee being in contact at least with the condyles of the femur of the skier.. .
08/14/14
20140228963
Method of performing total knee arthroplasty
An improved method of performing total knee arthroplasty. The method including making an incision having a length of less than eleven (11) centimeters proximate a knee joint of a leg of a patient.
08/14/14
20140224704
Container and system of containers of surgical instruments for knee surgery
The system allows instrumentation to be grouped and stored so that the number of instruments opened but not used in complex surgical procedures is reduced. The combination of the first and second containers (with instruments of a single size) allows the system to group instruments according to size and/or function, avoiding the need to open containers with instruments of a size that is not being used.
08/07/14
20140222390
Advanced methods and techniques for designing knee implant components
Disclosed are various advanced methods, devices, and systems for implants, tools and techniques that facilitate the surgical repair of a knee joint while allowing retention of more natural kinematics and preserving controlled rotation and translation of the repaired joint.. .
08/07/14
20140222156
Cementless tibial implant
A cementless orthopedic implant is disclosed. More specifically, but not necessarily entirely, a cementless tibial implant used as a component of a knee joint is disclosed.
08/07/14
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.
08/07/14
20140222006
Method of arthroplasty on a knee joint and apparatus for use in same
A method of, and apparatus for, arthroplasty of a knee joint comprising obtaining a desired spacing of the femur from the tibia by inserting a spacer into the knee joint between the femur and the tibia. The spacer is used as a reference for securing a guide jig in position about the knee joint for guiding resection of one or both of the femur and tibia for fitting of tibial and/or femoral prostheses.
07/17/14
20140200673
Artificial knee joint
An artificial knee joint is provided whose rollback amount and roll ratio are small in slight flexion and large in deep flexion. In the artificial knee joint, a femoral component 20 includes a medial condyle 21, a lateral condyle 22, a first sliding surface 24 for coupling posterior ends of the medial condyle 21 and the lateral condyle 22, while leaving an opening 23 therebetween, and a second sliding surface 25 positioned above the first sliding surface 24.
07/17/14
20140200491
Fail-safe system for exoskeleton joints
An orthotic system includes a controller, a joint and a fail-safe system for the joint. In a preferred embodiment, the orthotic system is an exoskeleton, the joint is a knee joint and the fail-safe system is a normally engaged brake that is controlled by the controller.
07/17/14
20140200490
Post knee surgery physical therapy device
A physical therapy device including a vertically elongated lever arm turned to project medially on the upper and lower extremities to form repetitive thigh and ankle bearing rods and further including an elongated crank.. .
07/10/14
20140195007
Powered leg prosthesis and control methodologies for obtaining near normal gait
A powered leg prosthesis includes powered knee joint comprising a knee joint and a knee motor unit for delivering power to the knee joint. The prosthesis also includes a prosthetic lower leg having a socket interface coupled to the knee joint and a powered ankle joint coupled to the lower leg opposite the knee joint comprising an ankle joint and an ankle motor unit to deliver power to the ankle joint.
07/03/14
20140188252
Polycentric knee joint prosthesis for extreme affordability
An above knee prosthesis comprises an upper block, a lower block, a middle linkage pivotably coupling the middle posterior regions of the upper and lower blocks together, and at least one side linkage pivotably coupling the sides of the upper and lower blocks together. The center of rotation of the prosthesis is located above the prosthesis when it is in full extension and moves downward as the prosthesis rotates into full flexion.
06/26/14
20140180420
Tissue engineered fibrocartilage replacement
Fibrocartilage implants characterized by circumferential fiber networks embedded in arcuate or torroidal scaffolds with orthogonal fiber networks embedded therein to prevent separation of the circumferential fiber networks. The fiber networks convert axial compressive forces on the scaffolds to tensile loads on the circumferential fibers.
06/12/14
20140162511
Wakeboard release mechanism
Wakeboarding causes a large number of knee injuries, especially to the acl. These injuries occur from large tensile, compressive and rotational forces on the knees.
06/12/14
20140159282
Method and device for producing temporary knee joint spacers with stems of various sizes
A cement mold assembly configured to form a temporary implant for use in delivering antibiotics to an infected site can includes a first mold and a second mold. The first mold can have an open end and an inner wall.
06/05/14
20140156014
Improved knee prosthesis
Tibial inserts and tibial femoral systems are provided for improved knee reconstruction systems. External rotation of a knee joint implant is enhanced by modifications to the post, providing a recess that allows clearance of the post against the corners of a box wall within the femoral component.


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This listing is a sample listing of patent applications related to Knee for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Knee with additional patents listed. Browse our RSS directory or Search for other possible listings.
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