US Pat. No. 9,282,996

EXTRA-ARTICULAR IMPLANTABLE MECHANICAL ENERGY ABSORBING ASSEMBLIES

MOXIMED, INC., Hayward, ...

1. An implantable assembly for manipulating energy transferred by members defining an anatomical joint, the members collectively
defining a path of motion, said assembly comprising:
a first component configured to be attached to a first member of the anatomical joint;
a second component configured to be attached to a second member of the anatomical joint; and
a hydraulic mechanism joining said first and second components;
wherein said hydraulic mechanism includes a first enclosed chamber having at least one elastomeric wall, a second rigid chamber,
fluid contained within at least one of said first and second chambers, and a piston sealed with respect to said second rigid
chamber and slidable relative thereto, wherein said piston slides relative to said rigid chamber and said mechanism absorbs
energy transferred by said members of the anatomical joint when said first component is attached to said first member and
said second component is attached to said second member and a distance between locations of attachment of said first and second
components becomes smaller then a predefined distance between said locations.

US Pat. No. 9,168,066

BALL AND SOCKET ASSEMBLY

MOXIMED, INC., Hayward, ...

1. A ball and socket assembly of an implantable medical device, comprising:
a ball component including a ball and a shaft extending from the ball, the ball component formed from a unitary piece of biocompatible
material and including an undercut extending from the shaft about less than a full circumference of the ball component, the
undercut having a longitudinal length parallel to the shaft that is less than an undercut circumferential width transverse
to the longitudinal length; and

a socket component, the socket component being formed from a single piece of biocompatible material wherein the ball component
is held in the socket assembly by the socket component.

US Pat. No. 9,486,319

LOAD TRANSFERRING SYSTEMS

MOXIMED, INC., Hayward, ...

1. A load transferring system for a knee joint, the system comprising:
a femoral base configured for implantation and coupling to a medial aspect of a femur;
a tibial base configured for implantation and coupling to a medial aspect of a tibia; and
a force applier element configured to be connected to the femoral base and the tibial base and configured to exert a tensile
force between the femoral base and the tibial base during flexion of the knee joint so as to unload a lateral compartment
of the knee joint by transferring load from the lateral compartment of the knee joint to a medial compartment of the knee
joint;

wherein, when the system is mounted to a medial aspect of a knee joint, the force applier applies 2.5 to 50 pounds of tension
force between 10 to 90 degrees of flexion of the knee joint and applies less than 2 pounds of tension force when the knee
joint is at zero degrees of flexion.

US Pat. No. 9,168,065

BALL AND SOCKET ASSEMBLY

MOXIMED, INC., Hayward, ...

1. A ball and socket assembly, comprising:
a ball component having a diameter and a surface forming a portion of a sphere and supported on a shaft with a bottom half
of the portion of the sphere surrounding the shaft and a top half of the portion of the sphere opposite from the shaft, wherein
the ball component has an undercut located on the bottom half and extending from the top half to the shaft less than an entire
circumference of the bottom half; and

a single piece socket component, the socket including a bearing surface defining a contour assuming a portion of a sphere
and an opening that is smaller than the diameter of the ball component in at least one diameter.

US Pat. No. 9,044,270

APPARATUS FOR CONTROLLING A LOAD ON A HIP JOINT

MOXIMED, INC., Hayward, ...

1. An apparatus for controlling a load on a human hip joint during normal gait while preserving motion, the apparatus comprising:
a rail component for attachment to a pelvis, the rail component including a bearing surface; and
two follower components, each having a first end and a second end, each first end configured to be connected to a femur and
each second end contacting the bearing surface of the rail component during a portion of the normal gait to reduce the load
on the human hip joint;

wherein the bearing surface of the rail has a length and a width and wherein the length is larger than the width;
wherein the follower components are moveable relative to the rail along the length of the bearing surface;
wherein the bearing surface is shaped to capture the second end of each follower component such that the second end of each
follower component is not separable from the bearing surface.

US Pat. No. 9,192,479

SPACERS FOR REDISTRIBUTING FORCES FOR THE PATELLA

MOXIMED, INC., Hayward, ...

1. A knee joint implant, comprising:
a patellar tendon engaging portion, the patellar tendon engaging portion configured to engage a patellar tendon throughout
a full range of motion of a knee joint; and

a tension redistribution and contact force manipulation portion configured to alleviate pain associated with patella misalignment;
wherein the patellar tendon engaging portion comprises a first chamber containing a fluid and a second chamber in fluid communication
with the first chamber.

US Pat. No. 9,308,094

ACTIVE AND PASSIVE DEVICES FOR REDISTRIBUTING FORCES FOR THE MEDIAL AND LATERAL KNEE

MOXIMED, INC., Hayward, ...

1. A method of treating lateral osteoarthritis of a joint, comprising:
implanting a treatment assembly on a medial side of a knee joint, wherein the treatment assembly includes an active unloading
assembly including a first base, a second base, a tension member configured between the first and second bases, the treatment
assembly includes a first collar associated with the first base and a second collar associated with the second base and wherein
the tension member is configured about the first and second collars, and the treatment assembly further includes a piston
attached at its ends to the first and second collars; and

imparting a varizing load to the joint to unload a lateral knee compartment.

US Pat. No. 9,060,867

EXTRA-ARTICULAR IMPLANTABLE MECHANICAL ENERGY ABSORBING ASSEMBLIES HAVING A TENSION MEMBER, AND METHODS

MOXIMED, INC., Hayward, ...

1. An implantable assembly useful for reducing a load that is transferred through an articulating, anatomical joint, over
at least a portion of a range of motion between full extension and full flexion of the joint, the joint being defined by at
least a first anatomical member and a second anatomical member, the assembly comprising:
a first component having a first end, an intermediate portion, and a second end, the first end being configured to be attached
to said first anatomical member of said joint;

a second component having a first end, an intermediate portion, and a second end, the first end being configured to be attached
to said second anatomical member of said joint; and

a tension member joining said first and second components at said second ends with at least the intermediate portions overlapping;
wherein said tension member has a first length in an extension orientation when said intermediate portion of said first component
overlaps the second end of said second component, and said tension member has a second length in a flexion orientation when
said intermediate portion of said first component overlaps only said intermediate portion of said second component, and said
first length is greater than said second length;

wherein said tension member is placed under tension to transiently, variably reduce load transferred from the first anatomical
member to the second anatomical member when said first component is attached to said first anatomical member and said second
component is attached to said second anatomical member, and wherein the tension in said tension member decreases as the orientation
of said first and second components changes from said extension orientation to said flexion orientation.

US Pat. No. 9,943,336

BONE FIXATED, ARTICULATED JOINT LOAD CONTROL DEVICE

MOXIMED, INC., Hayward, ...

1. An apparatus for controlling the load on articular cartilage of a human or animal joint comprising:a first fixation assembly configured for rigid attachment to a first bone;
a second fixation assembly configured for rigid attachment to a second bone; and
a link assembly coupled to the first and second fixation assemblies, the link assembly including
a first pivot connected to the first fixation assembly,
a second pivot connected to the second fixation assembly, and
a set of two parallel helical springs,
wherein the link assembly is configured to permit full mobility of the joint in three perpendicular planes.

US Pat. No. 9,808,290

TRANSCUTANEOUS JOINT UNLOADING DEVICE

MOXIMED, INC., Hayward, ...

1. A transcutaneous unloading device for a joint formed between first and second members, the device comprising:
a load absorber having a first and a second mating portion, a load absorbing portion disposed between the first and the second
mating portions, and the load absorbing portion comprising a load absorbing pivot;

a first percutaneous anchor having a first anchor portion configured to be affixed to the first member of the joint, a first
anchor mating portion configured to mate with the first mating portion, and an axis extending between the first anchor portion
and the first anchor mating portion; and

a second percutaneous anchor having a second anchor portion configured to be affixed to the second member of the joint, a
second anchor mating portion configured to mate with the second mating portion, and an axis extending between the second anchor
portion and the second anchor mating portion;

wherein the first and second mating portions and the first and second anchors are configured so that the load absorbing portion
is disposed externally of a user's skin when the device is mounted to the first and second joint members and so that the load
absorbing pivot is pivotable at least about an axis parallel with an axis of at least one of the first and second percutaneous
anchors;

wherein, between said load absorbing pivot and said second anchor mating portion, the load absorber extends along an axis
and is inflexible away from said axis;

wherein the load absorber comprises
a rigid arbor extending along said single axis,
a rigid piston at least partially inside the rigid arbor and movable therein along said single axis, and
a spring positioned over the piston and over the arbor and movable relative thereto along said single axis.

US Pat. No. 9,788,956

EXTRA-ARTICULAR IMPLANTABLE MECHANICAL ENERGY ABSORBING ASSEMBLIES HAVING TWO DEFLECTING MEMBERS AND METHODS

MOXIMED, INC., Hayward, ...

1. An implantable assembly comprising:
a first component configured to be attached to a first bone of a knee joint;
a second component configured to be attached to a second bone of the knee joint;
a rotational joint between the first and second components; and
a compliance member comprising a flexible cylindrical member connected to the first component and a pin member positioned
within the cylindrical member and connected to the second component, wherein the compliance member is configured to absorb
energy transferred from the first component to the second component;

wherein
the second component comprises a shackle, and the pin is rotatably mounted to said shackle.

US Pat. No. 9,398,957

FEMORAL AND TIBIAL BASES

MOXIMED, INC., Hayward, ...

1. A mechanical energy absorbing system, the system comprising:
a femoral base configured for implantation on a medial aspect of the femur;
a tibial base configured for implantation on a medial aspect of the tibia;
an absorber configured to be connected to the femoral base and the tibial base in an position where the absorber is located
in an absorber plane;

wherein the bases are configured to receive the absorber in a position where the absorber plane is substantially parallel
to a line connecting the medial aspects of the femoral and tibial condyles

wherein the femoral base has a bone contacting surface with a surface area of less than 650 mm2, a single non-threaded opening configured to receive a compression screw, and a plurality of threaded openings configured
to receive a plurality of locking screws with threaded locking heads;

wherein the tibial base has a bone contacting surface area of less than 750 mm2;

wherein said threaded openings are positioned at three points of a triangle; and
wherein the non-threaded opening is positioned at least partially within the triangle.

US Pat. No. 9,655,648

FEMORAL AND TIBIAL BASE COMPONENTS

MOXIMED, INC., Hayward, ...

1. An implantable mechanical extra-articular system for a knee joint including a joint capsule, comprising:
an absorber, the absorber absorbs a predetermined compression load applied to the knee joint; and
a base having two ends, an upper surface, an inner surface opposite the upper surface and a mounting surface,
wherein the inner surface includes a bone contacting surface configured to engage and attach to exterior surfaces of bone,
and a non-contacting surface displaced vertically from the bone contacting surface and closer towards a portion of the upper
surface overlaying the non-contacting surface so as to be offset from exterior surfaces of the bone,

wherein the mounting surface alone is configured to operatively engage and connect to the absorber, and wherein the mounting
surface is located at one of the two ends with all portions of the mounting surface elevated above the bone surface to position
the absorber outside the joint capsule.

US Pat. No. 9,526,552

POSITIONING SYSTEMS AND METHODS FOR IMPLANTING AN ENERGY ABSORBING SYSTEM

MOXIMED, INC., Hayward, ...

1. A method for locating a center of rotation on a femur having a Blumensaat's line for an implantable articulating joint
device, the method comprising:
locating an anatomical reference location on said femur with a tool having radiopaque markers;
rotating the tool until two of said radiopaque markers are parallel to Blumensaat's line; and
marking a target location for an implantable articulating joint device at a predetermined distance and direction away from
the anatomical reference location by inserting a marking device through an opening in the tool.

US Pat. No. 9,125,746

METHODS OF IMPLANTING EXTRA-ARTICULAR IMPLANTABLE MECHANICAL ENERGY ABSORBING SYSTEMS

MOXIMED, INC., Hayward, ...

1. A method for treating a knee joint, comprising:
locating a Blumensaat's line of a femur;
positioning a guide relative to Blumensaat's line, wherein the guide includes a plurality of concentric rings or arcs;
positioning a first base member relative to the guide and attaching the first base member to the exterior of the femur;
positioning and attaching a second base member to the exterior of the tibia; and
configuring an energy manipulation structure between the first and second base members outside of the joint wherein the energy
manipulation structure off-loads forces at the joint.

US Pat. No. 9,532,804

IMPLANTATION APPROACH AND INSTRUMENTALITY FOR AN ENERGY ABSORBING SYSTEM

MOXIMED, INC., Hayward, ...

1. An implantable system for manipulating energy transferred by members defining a knee joint including ligaments attached
there across, comprising:
a first attachment structure configured to be attached to a first member of the joint;
a second attachment structure configured to be attached to a second member of the joint; and
an absorber attached to the first attachment structure and second attachment structure, the absorber including three springs;
wherein energy manipulated by the absorber is in a direction opposite from any forces absorbed by the ligaments;
wherein a first spring and a second spring of the three springs has a first diameter and wherein a third spring is larger
than two of the springs.

US Pat. No. 9,700,419

EXTRA-ARTICULAR IMPLANTABLE MECHANICAL ENERGY ABSORBING SYSTEMS AND IMPLANTATION METHOD

MOXIMED, INC., Hayward, ...

1. A method for treating a knee joint including a femur and a tibia, comprising:
implanting a first base member directly in contact with the femur by placing the first base on the femur and securing the
first base in place on the femur with a plurality of bone screws;

implanting a second base member on the tibia; and
configuring an energy manipulation structure between the first and second base members, wherein the energy manipulation structure
includes proximal and distal articulating structures and at least one spring structure between the articulating structures;

wherein the articulating structures are ball and socket joints.

US Pat. No. 9,610,103

BONE FIXATED, ARTICULATED JOINT LOAD CONTROL DEVICE

MOXIMED, INC., Hayward, ...

1. An apparatus for controlling the load on articular cartilage of a knee joint, the apparatus comprising:
a first fixation assembly for attachment to a first bone of the knee joint;
a second fixation assembly for attachment to a second bone of the knee joint; and
a link assembly including a biasing structure, a first pivot having at least two degrees of rotational freedom, a second pivot,
and a rigid central shaft defining an axis, the first and second pivots being axially displaceable along the shaft, the link
assembly being coupled to the first fixation assembly by the first pivot and coupled to the second fixation assembly by the
second pivot;

wherein the first and second fixation assemblies are angularly displaceable relative to the link assembly to allow relatively
full mobility of the knee joint in the at least two degrees of freedom when mounted thereto, and wherein the link assembly
controls the load on the articular cartilage during articulation of the knee joint while the first and second pivots are freely
pivotable during articulation of the knee joint.

US Pat. No. 10,022,154

FEMORAL AND TIBIAL BASE COMPONENTS

Moximed, Inc., Hayward, ...

1. A base component mountable to a bone, the component comprising:a body having a first end, a second end, an outer surface configured to face away from the bone surface when the base is mounted on the bone, and an inner surface configured to face the bone surface when the base is mounted on the bone, wherein the body is a non-planar body such that the second end of the body is elevated relative to the first end such that the inner surface of the entire second end does not contact bone when the inner surface of the first end is mounted on the bone, the second end including at least one tab extending away from the second end;
a plurality of openings provided on the body, wherein the openings include a first set of one or more openings configured to receive a compression fastener, a second set of one or more openings configured to receive a locking fastener, and a third set of one or more openings configured to receive an alignment wire; and
a removable mounting member removably attached to the elevated second end of the body, the removable mounting member including at least one recess removably receiving said at least one tab therein, and wherein the body is configured to locate the mounting member in order to position a kinematic load absorber for reduction of forces on a joint.

US Pat. No. 10,010,421

EXTRA-ARTICULAR IMPLANTABLE MECHANICAL ENERGY ABSORBING SYSTEMS

MOXIMED, INC., Hayward, ...

1. A system for manipulating energy transferred by members defining a knee joint, the knee joint having cartilage between the members, the members collectively defining a path of motion, the system comprising:a first attachment structure configured to be attached to a first member of the knee joint;
a second attachment structure configured to be attached to a second member of the knee joint; and
a support assembly connected to the first and second attachment structures and including a laterally flexible piston configured to bend with articulation of the first and second members of the joint, wherein the support assembly is configured to absorb compressive forces when the first and second members are in extension.

US Pat. No. 9,814,579

UNLINKED IMPLANTABLE KNEE UNLOADING DEVICE

MOXIMED, INC., Hayward, ...

1. An implantable knee unloading device for a knee comprising:
a first member configured to be affixed to a first portion of a knee joint;
a second member configured to be affixed to a second portion of the knee joint;
mating portions of the first and second members configured to contact one another to transmit force between the first and
second portions, wherein the mating portions include a piston and a spring; and

wherein the piston has a varying flexibility along its length.

US Pat. No. 9,907,645

ADJUSTABLE ABSORBER DESIGNS FOR IMPLANTABLE DEVICE

MOXIMED, INC., Hayward, ...

1. An implantable system for manipulating energy transferred by members defining a joint, comprising:
a first attachment structure configured to be implanted on a first member of the joint;
a second attachment structure configured to be implanted on a second member of the joint; and
an adjustable energy manipulation device attached to the first attachment structure and second attachment structure, the energy
manipulation device comprises a shaft attached to a first base, an outer component attached to a second base, wherein the
shaft translates inside of a portion of the outer component, a spring mounted coaxially around the shaft and outside of the
portion of the outer component which translates over the shaft;

wherein the energy manipulation device comprises two adjacent springs arranged between the first base and the second base.

US Pat. No. 9,314,341

SURGICAL METHODS AND INSTRUMENTS FOR IMPLANTING A JOINT UNLOADING SYSTEM

MOXIMED, INC., Hayward, ...

1. A method of implanting a device at a knee joint, the method comprising:
inserting a first reference marker into a first bone of the joint;
inserting a second reference marker into a second bone of the joint;
connecting the first and second reference markers to a verification tool;
moving the joint through a predetermined range of motion and utilizing the verification tool to determine whether the first
and second reference markers move in a desired kinematic pattern with respect to one another throughout the predetermined
range of motion;

aligning the first and second bones and placing an alignment guide across the joint;
using the alignment guide to properly position the device, including aligning an indicator rod of the alignment guide to be
parallel with a tibia and inserting said reference markers through the alignment guide;

relocating one of the reference markers if the desired kinematic pattern is not achieved;
removing the first and second reference markers; and
implanting the device across the joint.

US Pat. No. 9,883,947

METHODS OF REDISTRIBUTING FORCES FOR THE PATELLA WITH SPACERS

MOXIMED, INC., Hayward, ...

1. A method for treating a knee joint suffering from pain with a U-shaped implant having two legs joined by a midsection,
each of the legs including a terminal end opposite said midsection, the knee joint including a patellar tendon with two lateral
sides, the method comprising:
inserting the U-shaped implant below the patellar tendon so that the legs are oriented with the terminal ends spaced either
closer to or farther from said knee joint than said midsection; and

anchored said implant below the patellar tendon with each leg of the implant on either lateral side of the patellar tendon;
wherein the implant midsection is configured to engage the patellar tendon throughout a full range of motion of the knee joint
and to cause tension redistribution and contact force manipulation to alleviate pain.

US Pat. No. 10,045,848

ACTIVE AND PASSIVE DEVICES FOR REDISTRIBUTING FORCES FOR THE MEDIAL AND LATERAL KNEE

MOXIMED, INC., Hayward, ...

1. A treatment device for a joint, the device comprising:a first base with a first collar projecting therefrom;
a second base with a second collar projecting therefrom;
a piston having a first end connected to the first collar and a second end connected to the second collar;
a tension loop configured about the first and second collars; and wherein the tension loop extends around both the first collar and the second collar, with the piston positioned within the loop.

US Pat. No. 10,070,964

EXTRA-ARTICULAR IMPLANTABLE MECHANICAL ENERGY ABSORBING SYSTEMS AND IMPLANTATION METHOD

MOXIMED, INC., Hayward, ...

1. A method for supporting a knee joint, comprising: providing a knee support apparatus comprising a first base, a second base, and an energy manipulation assembly, wherein the energy manipulation assembly is configured to transfer load between the first base and the second base in a fully extended position and avoid transferring force between the first base and the second base in a fully flexed position; anchoring the first and second bases to the femur and tibia in positions which ensure elongation of the energy manipulation assembly as the knee moves from extension into flexion; after said anchoring, off-loading the joint at knee extension with said knee support apparatus; and after said anchoring, decreasing said off-loading upon knee flexion from knee extension until no off-loading is performed, wherein the knee support apparatus energy manipulation assembly comprises: a spring; a rod; a mating section engaged to the first base; a first joint positioned between and connected to the mating section and one of the rod and the spring; and a second joint positioned between the other of the rod and the spring and the second base, wherein the rod is configured to compress the spring and transfer load between the first base and the second base in a fully extended position of the knee joint and the rod is configured to move relative to the spring such that the energy manipulation assembly substantially avoids transferring force between the first base and the second base in a fully flexed position of the knee joint.

US Pat. No. 10,363,139

BALL AND SOCKET ASSEMBLY

MOXIMED, INC., Fremont, ...

1. A ball and socket assembly, comprising:a generally non-deformable ball component having a surface forming a portion of a sphere;
an elongated shaft coupled to said ball component;
a single piece, generally non-deformable socket component, the socket including a bearing surface defining a contour assuming a portion of a sphere and an opening that is smaller than the diameter of the ball component in at least one diameter;
wherein the ball component includes a cavity formed therein; and
wherein the assembly includes a filler component sized to fit the cavity.

US Pat. No. 10,238,425

IMPLANTABLE ASSEMBLY FOR A KNEE JOINT AND METHOD FOR MOUNTING AN IMPLANTABLE ASSEMBLY FOR A KNEE JOINT

MOXIMED, INC., Fremont, ...

1. An implantable assembly for a knee joint, comprising:a first attachment structure configured to be attached to a first member of the knee joint;
a second attachment structure configured to be attached to a second member of the knee joint; and
a force absorber assembly connected to the first attachment structure and the second attachment structure, the absorber assembly including a cylinder body connected to the first attachment structure and a piston connected to the second attachment structure, the piston including a first portion connected to the second attachment structure and a second portion receivable in a cylinder body opening of the cylinder body, the second portion of the piston being of greater flexibility than the first portion of the piston;
wherein the first attachment structure comprises a connection point for the cylinder body and a pair of legs disposed on opposite sides of the connection point, each leg comprising an opening for receiving a screw;
wherein the pair of legs define an obtuse angle relative to each other; and
wherein the pair of legs define, with a tibia to which they are to be mounted, a space of sufficient size to span a medial collateral ligament.

US Pat. No. 10,383,736

FEMORAL AND TIBIAL BASE COMPONENTS

MOXIMED, INC., Fremont, ...

1. An implantable mechanical extra-articular apparatus comprising:a pair of bases, at least one of said bases having an inner surface which follows the contours of a lateral side of a first bone of a knee joint in an inferior/superior direction and an anterior/posterior direction;
the at least one base having a fixation portion with at least two fixation holes and a curved arm portion with a thickness sufficient to be elevated compared to the fixation portion to create a space adjacent the lateral side of the first bone of the knee joint; and
an extra-articular implantable mechanical energy absorbing system attached to an end of the curved arm portion opposite the fixation portion.

US Pat. No. 10,327,816

ADJUSTABLE ABSORBER DESIGNS FOR IMPLANTABLE DEVICE

MOXIMED, INC., Fremont, ...

1. An implantable system for manipulating energy transferred by first and second members defining a joint, the system comprising:a first attachment structure configured to be attached to the first member of the joint;
a second attachment structure configured to be attached to the second member of the joint; and
an adjustable energy manipulation device attached to the first attachment structure and second attachment structure, the adjustable energy manipulation device includes at least one spring arranged to bias the first and second attachment structures apart and one or more adjustable assemblies, wherein at least one adjustable assembly of the one or more adjustable assemblies comprises a plurality of non-threaded teeth and a locking collar configured to contact the teeth to lock the adjustable energy manipulation device to adjust a size of the energy manipulation device to affect an amount of compression in the spring;
wherein the spring has a size and the adjustable energy manipulation device is movable to an orientation so that the adjustable energy manipulation device has a size greater than the size of the spring and beyond which the spring is under no load.