Minimally Invasive Actuable Bone Fixation Devices Having a Retractable Interdigitation Process

a technology of interdigitation and actuation, which is applied in the field of providing reconstructive surgical procedures and devices for re-inforcement of bones, can solve the problems of affecting the healing of the bone, and affecting the healing process, so as to reduce the risk of infection, reduce the risk of injury, and reduce the weight to volume

Inactive Publication Date: 2006-11-23
SONOMA ORTHOPEDIC PROD INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0009] One embodiment of the present invention provides a low weight to volume mechanical support for fixation, reinforcement and reconstruction of bone or other regions of the musculo-skeletal system. The method of delivery of the device is another aspect of the invention. The method of delivery of the device in accordance with the various

Problems solved by technology

However, with an increasingly aging population, osteoporosis has become more of a significant medical concern in part due to the risk of osteoporotic fractures.
This can take several months for the bone to heal and for the patient to remove the cast before resuming normal activities.
Further, micro-motion between the bone and the IM nail may cause

Method used

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  • Minimally Invasive Actuable Bone Fixation Devices Having a Retractable Interdigitation Process
  • Minimally Invasive Actuable Bone Fixation Devices Having a Retractable Interdigitation Process
  • Minimally Invasive Actuable Bone Fixation Devices Having a Retractable Interdigitation Process

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Embodiment Construction

[0080] By way of background and to provide context for the invention, it may be useful to understand that bone is often described as a specialized connective tissue that serves three major functions anatomically. First, bone provides a mechanical function by providing structure and muscular attachment for movement. Second, bone provides a metabolic function by providing a reserve for calcium and phosphate. Finally, bone provides a protective function by enclosing bone marrow and vital organs. Bones can be categorized as long bones (e.g. radius, femur, tibia and humerus) and flat bones (e.g. skull, scapula and mandible). Each bone type has a different embryological template. Further each bone type contains cortical and trabecular bone in varying proportions.

[0081] Cortical bone (compact) forms the shaft, or diaphysis, of long bones and the outer shell of flat bones. The cortical bone provides the main mechanical and protective function. The trabecular bone (cancellous) is found at t...

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Abstract

An apparatus for bone reinforcement, fixation and treatment of diseased or fractured bones including a supporting structure optionally coated with therapeutic agent is provided. The supporting structure or device may be collapsible upon deployment at the surgical site, and include fixation features such as anchors to securely position in place once deployed. Bone cement or other material may be provided to alternatively secure the positioned supporting structure for treatment. The bone fixation device disclosed also comprising: a first sleeve having a retractable interdigitation process at a location along its length adapted to engage a bone; and a second sleeve sized adapted to activate the interdigitation process of the first sleeve.

Description

CROSS-REFERENCE [0001] This application claims the benefit of U.S. Provisional Application No. 60 / 682,652, filed May 18, 2005 entitled Method and System for Providing Reinforcement of Bones, which is incorporated herein by reference in its entirety.BACKGROUND OF THE INVENTION [0002] The present invention relates to method and system for providing reinforcement of bones. More specifically, the present invention relates to method and system for providing reconstructive surgical procedures and devices for reconstruction and reinforcement bones, including diseased, osteoporotic and fractured bones. [0003] Bone fractures are a common medical condition both in the young and old segments of the population. However, with an increasingly aging population, osteoporosis has become more of a significant medical concern in part due to the risk of osteoporotic fractures. Osteoporosis and osteoarthritis are among the most common conditions to affect the musculoskeletal system, as well as frequent ...

Claims

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Application Information

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IPC IPC(8): A61B17/58
CPCA61B17/7208A61B17/7241A61B2017/00004A61B17/7275A61B17/7291A61B17/7266
Inventor NELSON, CHARLES L.SARAVIA, HEBERMAZUR, KAI U.
Owner SONOMA ORTHOPEDIC PROD INC
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