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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


High performance knee prostheses

Trustees Of University Of Pennsylvania

High performance knee prostheses

Method and apparatus for fixation of an acl graft

Biomet Sports Medicine

Method and apparatus for fixation of an acl graft

Method and apparatus for fixation of an acl graft

General Hospital

Methods and devices for knee joint replacement with anterior cruciate ligament substitution

Date/App# patent app List of recent Knee-related patents
06/25/15
20150173929
 Controllable passive artificial knee patent thumbnailControllable passive artificial knee
An exoskeleton (100) adapted to be coupled to a lower extremity of a person includes a thigh link (102), a shank link (104) and a knee joint (106) allowing flexion and extension between the thigh and shank links (102, 104). A torque generator (156) connected to the knee joint (106) includes a wrap spring (110) having a first end (112) coupled to the thigh link (102), and a second end (118) coupled to an electric actuator (116) capable of selectively positioning the second end (118) of the wrap spring (110).
The Regents Of The University Of California
06/25/15
20150173909
 High performance knee prostheses patent thumbnailHigh performance knee prostheses
knee prostheses featuring components that more faithfully replicate the structure and function of the human knee joint in order to provide, among other benefits: greater flexion of the knee in a more natural way by promoting or at least accommodating internal tibial rotation in a controlled way, replication of the natural screw home mechanism, and controlled articulation of the tibia and femur respective to each other in a more natural way. In a preferred embodiment, such prostheses include an insert component disposed between a femoral component and a tibial component, the insert component preferably featuring among other things a reversely contoured posterolateral bearing surface that helps impart internal rotation to the tibia as the knee flexes.
The Trustees Of The University Of Pennsylvania
06/25/15
20150173887
 Method and  fixation of an acl graft patent thumbnailMethod and fixation of an acl graft
A system for use in graft fixation in a knee reconstruction procedure can include a first femoral fixation member adapted to be retained relative to a first end of a femoral tunnel and a first self-locking adjustable flexible member construct having a passage portion with a pair of free ends and a pair of self-locking adjustable loops. The first flexible member construct can be interconnected to the first femoral fixation member.
Biomet Sports Medicine, Llc
06/18/15
20150164646
 Methods and devices for knee joint replacement with anterior cruciate ligament substitution patent thumbnailMethods and devices for knee joint replacement with anterior cruciate ligament substitution
Methods and devices are provided for knee joint replacement with anterior cruciate ligament (acl) substitution. Generally, the methods and devices can allow a knee joint to be partially or totally replaced in conjunction with substitution of the knee joint's acl.
The General Hospital Corporation
06/11/15
20150157473
 Method for automatically adjusting a damping level provided by an artificial knee joint, and the artificial knee joint patent thumbnailMethod for automatically adjusting a damping level provided by an artificial knee joint, and the artificial knee joint
An artificial knee joint is to be connected between a prosthetic thigh and a prosthetic lower leg. The artificial knee joint includes a knee joint body, a processor mounted in the knee joint body, a damping unit that is coupled to the processor and configurable to provide various damping levels, and an accelerometer coupled to the processor.
Teh Lin Prosthetic & Orthopaedic Inc.
06/11/15
20150157461
 Patient selectable knee joint arthroplasty devices patent thumbnailPatient selectable knee joint 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.
Conformis, Inc.
06/11/15
20150157342
 Femoral cut guide patent thumbnailFemoral 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.
Zimmer, Inc.
06/11/15
20150157335
 Arthroplasty  optimally aligning and tensioning a knee prosthesis patent thumbnailArthroplasty optimally aligning and tensioning a knee prosthesis
A combination of a first assembly for guiding resection of a femur and tibia of a knee joint and a second assembly including femoral and tibial knee components. The combination of the first assembly and the second assembly provides optimal placement and positioning of the femoral and tibial knee components to achieve near-normal knee kinematics and tension.
05/28/15
20150148714
 Range of motion device patent thumbnailRange of motion device
A device for moving a knee joint in a body of a patient is provided. The device includes a first arm member coupled to a first leg support configured to support an upper portion of a leg of the patient, a second arm member coupled to a second leg support configured to support at least one of a lower portion of a leg and a foot of the patient, and a control assembly operatively connected to the first and second arm members and configured to selectively move the second arm member relative to the first arm member.
Bonutti Research, Inc.
05/28/15
20150148653
 Determining a range of motion of an artificial knee joint patent thumbnailDetermining a range of motion of an artificial knee joint
A data processing method for determining a range of motion of an artificial knee joint which connects a femur and a tibia via a medial ligament and a lateral ligament, wherein at least the femur comprises an implant which forms a medial condyle and a lateral condyle, the method comprising the steps of: acquiring the maximum lengths of the lateral ligament and the medial ligament for a particular flexion angle of the knee joint; calculating a first virtual position between the femur and the tibia in which the lateral condyle of the femoral implant touches the tibia and the medial ligament is stretched to its maximum length; calculating a maximum valgus angle of the range of motion from the first virtual position; calculating a second virtual position between the femur and the tibia in which the medial condyle of the femoral implant touches the tibia and the lateral ligament is stretched to its maximum length; and calculating a maximum varus angle of the range of motion from the second virtual position.. .
Brainlab Ag
05/21/15
20150142022

Arthroscopic knot pusher and suture cutter


Knot pushers and suture cutter apparatuses to be used arthroscopically, for example, in an arthroscopic knee surgery may be operated with a single control to both lock the suture within the distal end of the apparatus and cut the suture once the knot has been pushed to the appropriate location. The apparatus may include a safety lock preventing deployment of the cutter until the safety lock (e.g., cutter release) has been released..
05/21/15
20150136625

Packaging for arcuate orthopedic implants such as a size varying series of femoral components for artificial knee joints


The present disclosure concerns packaging adapted to accommodate a series of implant components, e.g. Femoral components for artificial knee joints, which vary in size but have a common thickness dimension.
Perfecseal, Inc.
05/14/15
20150134078

Device and decreasing energy consumption of a person by use of a lower extremity exoskeleton


A lower extremity exoskeleton, configurable to be coupled to a person, includes: leg supports configurable to be coupled to the person's lower limbs and designed to rest on the ground during stance phases, with each leg support having a thigh link and a shank link; two knee joints, each configured to allow flexion and extension between respective shank and thigh links; an exoskeleton trunk configurable to be coupled to the person's upper body, rotatably connectable to the thigh links of the leg supports, allowing for the flexion and extension between the leg supports and the exoskeleton trunk; two hip actuators configured to create torques between the exoskeleton trunk and the leg supports; and at least one power unit capable of providing power to the hip actuators. In use, power is supplied to the hip actuators in an amount to reduce the energy consumed by a user during a walking cycle..
05/14/15
20150134067

Artificial knee joint


An artificial knee joint includes a femoral component (1) and a tibial component (2). The femoral component (1) includes an intercondylar box (11).
05/07/15
20150127012

Flexible acl instrumentation, kit and method


In a first embodiment, the present invention includes an instrumentation system for preparing a bone for soft tissue repair, the instrumentation system including a flexible drill pin capable of bending along a curved path; an aimer capable of engaging the flexible pin to bend the flexible pin; and a flexible reamer having a flexible portion along at least a portion of its length, the flexible portion comprising a plurality of laser cuts. In an alternate embodiment, the present invention may also include a method for preparing a bone tunnel in a femur adjacent a knee joint, the method including introducing a flexible drill pin into the knee joint; guiding the flexible drill pin towards a surface of the femur with an instrument introduced into the knee joint; drilling the flexible drill pin into the femur; removing the instrument from the knee joint; introducing a cannulated flexible reamer into the knee joint by placing the flexible pin within the cannulation of the flexible reamer; and reaming the bone tunnel in the femur along the path of the flexible pin..
Howmedica Osteonics Corp.
05/07/15
20150127009

Devices and methods for knee arthroplasty


The present invention provides, in certain embodiments, a device for positioning and orienting the femoral cutting block. The present invention also provides a device for setting rotation of sagittal resection for unicompartmental knee arthroplasty.
Orthalign, Inc.
05/07/15
20150122559

Lower limb structure for legged robot, and legged robot


Provided is a lower limb structure for a legged robot with which a load on an actuator for driving a knee joint can be reduced. The lower limb structure for the legged robot comprises: a hip joint main body; a thigh portion; a hip joint coupling for connecting the thigh portion to the hip joint main body; and a knee joint main body joined to the thigh portion.
Thk Co., Ltd.
05/07/15
20150121600

Knee support


A knee support comprising a supportive pad enclosed in a fabric cover, configured to the user through the use of fasteners. The knee support is compressible and flexible so that it conforms to the shape of the anatomical area just below the knee and to the shin, can be easily worn over or under clothing, and does not interfere with the poses and exercise routines of floor or hard surface exercises.
04/30/15
20150120031

Method of generating a patient-specific bone shell


The exemplary embodiments of the present disclosure are described and illustrated below to encompass methods and devices for designing patient specific prosthetic cutting jigs and, more specifically, to devices and methods for segmenting bone of the knee and the resulting cutting guides themselves. Moreover, the present disclosure relates to systems and methods for manufacturing customized surgical devices, more specifically, the present disclosure relates to automated systems and methods of arthroplasty cutting guides, systems and methods for image segmentation in generating computer models of knee joint..
Zimmer, Inc.
04/30/15
20150119996

Wearable robot and controlling the same


Provided is a method of controlling a wearable robot, the method including: measuring a ground reaction force (grf) exerted on a wearer's soles; calculating a time variation rate of the measured grf; measuring the wearer's knee joint angle; and detecting a time point at which the calculated time variation rate of the grf and the measured knee joint angle cross each other.. .
Samsung Electronics Co., Ltd.
04/30/15
20150117728

Method and generating 3d knee joint image


Disclosed herein are a method and an apparatus for generating a 3d knee joint image. According to an exemplary embodiment of the present invention, a method for generating a 3d knee joint image includes: generating a statistical shape model by using previously generated sample knee bone images; generating a knee joint bone image by segmenting a bone region from an input knee image using the statistical shape model; generating a keen joint cartilage image by segmenting a cartilage region from the knee joint bone image; and generating a 3d knee joint image for the input knee image by composing the knee joint bone image with the knee joint cartilage image.
Gwangju Institute Of Science And Technology
04/30/15
20150116472

Measuring system and measuring analyzing knee joint motion trajectory during cycling


A measuring system for analyzing a knee joint motion trajectory when a rider is riding a bike (cycling) and a measuring method thereof are disclosed. The measuring system includes a pedal-able device, a light emitting component fixed at a tibial plateau of the rider, an image capturing device, and a knee joint motion trajectory analysis device.
Global Action Inc.
04/23/15
20150106991

Device for protecting the knee joint with a strap


The present invention relates to a device for protecting a user's knee joint, the device being for installing on a sports boot (2) and being characterized in that it comprises a shell (10) provided with an inside surface suitable for covering at least in part an anterior portion of the user's leg, the shell (10) having a top portion (11) for situating at knee level and a bottom portion (12) including connection means suitable for connecting the shell (10) to the sports boot (2), the top portion including side cheeks suitable for being put into contact with the knee on either side of the knee, and coming into contact at least with the condyles of the user's femur, at least one strap (3) for attaching around a zone of the leg and attachment means for attaching the strap (3) to the inside surface of the shell (10).. .
04/09/15
20150100059

Knee balancing for revision procedures


Methods, systems and devices are provided for facilitating a surgical procedure on a knee, particularly, a revision total knee replacement procedure. Prior femoral and tibial prostheses are removed.
Synvasive Technology, Inc.
04/09/15
20150096264

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.
Orthopaedic Hospital D/b/a Orthopaedic Institute For Children
03/26/15
20150088163

Arthroscopic knot pusher and suture cutter


Knot pushers and suture cutter apparatuses to be used arthroscopically, for example, in an arthroscopic knee surgery may be operated with a single control to both lock the suture within the distal end of the apparatus and cut the suture once the knot has been pushed to the appropriate location. The apparatus may include a safety lock preventing deployment of the cutter until the safety lock (e.g., cutter release) has been released..
03/26/15
20150088140

Spacer block


A knee arthroplasty system for use in a patient's knee joint comprises a spacer block instrument including a base portion, a tibial component extending from the base portion and configured for placement against a tibia, and a femoral component configured for placement against a femur. The femoral component is rotatably coupled to the tibial component.
Zimmer, Inc.
03/19/15
20150074865

Lower-body garment


On the front side of the main part, the first start part separates the main part into a portion covering a knee joint of a wearer and a portion covering at least one of femoral and shin parts of the wearer. On the back side of the main part, the second start part separates the main part into a portion covering the knee joint of the wearer and a portion covering at least one of the femoral and shin parts of the wearer.
03/12/15
20150071885

Osteotomy below the tibial tuberosity by multiple drilling


Surgical devices, kits and methods of using thereof are described. Generally, the surgical kit includes an osteotomy guide device and/or a bone spacer guide device.
Klsmc Stem Cells Sdn Bhd
03/05/15
20150061268

Occupant protection device


An occupant protection device protects an occupant who sits in a seat of a vehicle. The occupant protection device includes a kneecap regulation unit that suppresses a forward movement of the kneecaps of the occupant at the time of a collision of the vehicle..
Fuji Jukogyo Kabushiki Kaisha
02/26/15
20150057757

Knee prosthesis assembly with ligament link


A method of implanting a prosthetic knee joint assembly. The method includes: coupling a femoral component to a femur, and coupling a tibial component to a tibia; coupling a ligament link to one of the femur or the tibia; coupling the ligament link to a coupling component of one of the femoral component or the tibial component; arranging the ligament link in a first position relative to the tibial component when the prosthetic knee joint assembly is implanted in a left knee; and arranging the ligament link in a second position relative to the tibial component when the prosthetic knee joint assembly is implanted in a right knee, the second position is different from the first position..
Biomet Manufacturing, Llc
02/12/15
20150045901

Femoral trochlea prostheses


Various embodiments of femoral trochlea prostheses useable in a knee joint. The knee joint includes a patella and a distal femur with a femoral trochlea, or patello-femoral groove.
Zimmer, Inc.
02/05/15
20150038890

Knee immobilizer support cuff


The knee immobilizer support cuff has been created as a medical apparatus for bottom based support for a knee immobilizer (brace). Knee immobilizers are difficult to keep in the correct position and often slip down the patient's leg during upright orientation (standing/walking).
01/29/15
20150032228

Multi-articulated link knee joint


A multi-articulated link knee joint capable of detecting a bending angle of a knee section without causing problems of an installation space and wiring of a sensor is provided. A four-link knee joint includes a knee section of a four-link mechanism, a fluid cylinder that restrains an action of the knee section, a position detecting device that detects a position of a piston rod with respect to a cylinder tube as an extension and contraction amount of the cylinder, and a computer that acquires a bending angle of the knee section by converting the position detected by the position detecting device..
01/29/15
20150032216

Knee prosthesis


A knee joint prosthesis assembly including a femoral component and a unitary tibial component. The femoral component includes a first condyle and a second condyle.
Biomet Manufacturing, Llc
01/29/15
20150032215

Patient-adapted posterior stabilized knee implants, designs and related methods and tools


Articular repair implants, implant components, systems, methods, and tools are disclosed. Various embodiments provide improved features for knee joint articular repair systems designed for posterior stabilization, including deep-dish configurations, and box, cam, and/or post features.
Conformis, Inc.
01/29/15
20150030680

Oral pharmaceutical compositions of dabigatran etexilate


Compositions comprising a mixture of at least two types of particles wherein a) the first type of particles comprise dabigatran etexilate in the form of the free base or in the form of pharmaceutically acceptable salts, polymorphs, solvates or hydrates thereof; and b) the second type of particles comprise at least one pharmaceutically acceptable organic acid, use of said compositions in the reduction of the risk of stroke and systemic embolism in patients with non-valvular atrial fibrillation and/or in the prevention of venous thromboembolic events in adult patients who have undergone elective total hip replacement surgery or total knee replacement surgery and processes for the preparation of said compositions.. .
Laboratorios Del Dr. Esteve S.a.
01/22/15
20150025646

Femoral component with curved central box


A femoral component for a prosthetic knee joint has a medial and a lateral condylar portion each having a bearing surface and a bone contacting surface. The medial and lateral condylar portions defining an opening therebetween.
Howmedica Osteonics Corp.
01/22/15
20150025645

Artificial knee joint


This invention relates to an artificial knee joint component capable of adjusting alignment or balancing (extension gap and flexion gap) between the tibia and the femur.. .
Corentec Co., Ltd.
01/22/15
20150025537

Device and installing femoral prosthetic knee joint


Devices and method for performing replacement prosthetic knee surgery are disclosed in which a spacing means is introduced between the femur (1) and tibia (2) while the patella (9) is in place. The spacing means separates the femur (1) from the tibia (2) by an amount essentially equal to or greater than the required flexion gap (4).
01/15/15
20150018972

Method for controlling an artificial orthotic or prosthetic knee joint


The invention relates to a method for controlling an artificial orthotic or prosthetic knee joint, on which a lower leg component is arranged and which is assigned a resistance device having at least one actuator, by means of which the bending resistance is modified depending on sensor data that is determined during use of the orthotic or prosthetic knee joint by means of a sensor, wherein the absolute angle of the lower leg component is determined exclusively by means of at least one inertial sensor, the angle determined is compared with at least one threshold value, and the bending resistance is modified when the threshold value is reached.. .
Otto Bock Healthcare Gmbh
01/15/15
20150018960

Artificial knee joint


An artificial knee joint (1) is described and comprises a femoral component (10) and a tibial component (30), for attachment to the femur (2) and tibia (3) of a patient (4) respectively. The femoral component (10) comprises a lateral condyle (11) and a medial condyle (12) which extend from the posterior (13) to the anterior (14) of the femoral component (10).
Smith & Nephew Orthopaedics Ag
01/15/15
20150018828

Anti-septic transarticular intramedullary rod system for the human knee


A temporary knee implant to be placed at the position of the human knee joint for maintaining the tibia and femur at the knee joint aligned during healing of infection in the surrounding tissue. An elongated femur rod is formed with one end of a breadth sized and shaped to extend into the medullary cavity of the femur of a knee, and a connector at the other end, an elongated tibia rod of a breadth sized and shaped to extend into the medullary cavity of the tibia and a connector at the other end, the connectors including interfitting shapes for aligning said femur rod and said tibia rod, and medication adhered to the femur and tibia rods for engagement with the medullary surfaces..
01/08/15
20150007527

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.
Orthopaedic Hospital D/b/a Orthopaedic Institute For Children
01/01/15
20150005889

Acl accommodating tibial design


Surgical methods and tibial implants for accommodating the anterior cruciate ligament during unicompartmental or bi-unicompartmental knee arthroplasty procedures.. .
Zimmer, Inc.
01/01/15
20150000158

Structure of correction shoe pad for medical purposes


A structure of a correction shoe pad includes a shock-absorber mounted at an outside portion of a pad body of a shoe pad, so that the shock-absorber mounted at the outside portion of the pad body provides support to effectively prevent situations, such as eversion and ankle sprain causing by shift of the center of the body weight of the user toward the outer side of the sole and also to provide effects of bandy leg and wear of meniscus of knee joints resulting from the shift of the center of the body weight of the user toward the outer side of the sole.. .
Jet Crown International Co., Ltd.
12/25/14
20140379096

Lower limb prosthesis


A lower limb prosthesis comprises an attachment section (10), a shin section (12), a foot section (14), a knee joint (16) pivotally connecting the attachment section (10) and the shin section (12), and an ankle joint (22) pivotally connecting the shin section (12) and the foot section (14). The knee joint includes a dynamically adjustable knee flexion control device (18) for damping knee flexion.
Blatchford Products Limited
12/11/14
20140364955

Orthopedic 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


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


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


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


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


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


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.


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