Other

Onkos Surgical, Inc.

Maale, Gerhard E.

Gerhard E Maale

The improved endoprosthetic device surface treatment encourages soft tissue attachment thereto. A porous mesh surface treatment creates on an outer surface of the endoprosthetic device a three-dimensional surface structure similar to cancellous bone. Suture attachment features are provided at various locations around the treated surface structure to initially affix a vascularized soft tissue to the treated surface. As the patient heals the soft tissue grows and infiltrates the porous mesh surface to achieve an attachment strength substantially equal to the surrounding tissue.

Prosthesis surface treatment for soft tissue attachment thereto

An improved modular rotational device includes a first and second threaded coupler for affixation along the stem of an endoprosthetic device, for example, a humeral prosthesis or a femoral prosthesis. The rotational device axis of rotation is coaxial with the stem, and its axis of rotation is located in close proximity to the intramedullary stem of the prosthesis or in close proximity to the distal articulation of the prosthesis. A housing has a proximal and distal end with an axial bore therethrough for receiving an elongated stem of the device. A lobe ring may be utilized to limit the axis of rotation of the device. Additional endoprosthetic devices may be attached to male or female threaded couplers, or to Morse tapers. A plurality of suture attachments facilitates attachment of soft tissue thereto.

Modular rotational device for torsionally stabilizing an endoprosthesis

The improved glenoid fossa prosthesis for repair of a scapular deficient patient includes a base with a fixed flange, and a separable flange. A conical taper on the base and a complimentary locator edge positively orient the separable flange when joined with the base for affixation by screw. A plurality of flange fixation screws penetrates the scapular tissue between the flanges for affixation of the flanges thereto. The flange thickness is variable to approximate the topography of the scapular tissue in the affixation area to minimize tissue trimming during fitment. A cutting mask attaches to the deficient scapula in the glenoid fossa area to guide the physician in trimming scapular tissue for fitment. A cortical screw further fixates the base to the scapular tissue. A second conical taper on the base serves as a mount for a glenoid sphere (reverse shoulder) or socket (standard shoulder) repair configuration.

Glenoid fossa prosthesis

Prosthesis surface treatment and method for soft tissue attachment thereto

An endoprosthetic device for replacement of a diseased or damaged scapular glenoid fossa. The device includes a glenosphere or a glenosocket member, or provides the option of mating a glenosphere or glenosocket member via a Morse taper. The device also features opposing fixation plates that grip resected scapular area anteroposteriorly to fixate the device through use of a plurality of setscrews. An Oblique setscrew that engages the scapular body inferiorly may be added for improved fixation. A porous mesh surface treatment on the inner faces of the fixation plates may be utilized to improve osteoconductivity.

Apparatus and methods for intramedullary fixation of abnormal bone, such as a femur, wherein an axially elongated intramedullary rod is provided having outwardly projecting thin fins or elongated sharp edge formations at circumferentially spaced locations spanning substantially the length of the rod to provide rotational stability, and provided with a plurality of holes in each of the surface portions between pairs of the fins or edge formations, which are normally closed by screw plugs or plugged with methylmethacrelate plugs, but which may be removed selectively prior to rod insertion into the medullary canal to permit discharge of methylmethacrelate cement or the like into desired surrounding bone areas. A coupling formation such as a threaded coupling neck is provided at one end of the rod, to be assembled with a tube extending from a piston aided dispensing device similar to a caulking gun to force the low viscosity cement into the hollow interior bore of the rod and discharge through apertures where the plugs have been removed or holes are open in the rod.

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Plano, TX, United States of America

Gerhard E Maale