Osteotomy Gap
Osteotomy Gap - Related Videos
07:41
An Intramedullary Locking Nail for Standardized Fixation of Femur Osteotomies to Analyze Normal and Defective Bone Healing in Mice
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Cited by 10 •
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This protocol describes an osteosynthesis technique using an intramedullary locking nail for standardized fixation of femur osteotomies, which can be used to analyze normal and defective bone healing in mice.
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Gap Junctions
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2026
Multicellular organisms employ a variety of ways for cells to communicate with each other. Gap junctions are specialized proteins that form pores between neighboring cells in animals, connecting the cytoplasm between the two, and allowing for the exchange of molecules and ions. They are found in a wide range of invertebrate and vertebrate species, mediate numerous functions including cell differentiation and development, and are associated with numerous human diseases, including cardiac and...
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Gap Junctions
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2023
The cytoplasm of adjacent animal cells can exchange small molecules, ions, and secondary messengers via the communication channels which form the gap junctions. These junctions comprise a few hundred to thousands of molecular channels, each made of two halves, called the connexon hemichannel. A connexon is a hexamer of six transmembrane connexin proteins, which assemble radially, thus forming a pore or channel in the center. One connexon hemichannel docks with a corresponding connexon on the...
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Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models
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Cited by 19 •
2014
One constraint of preclinical research in the field of bone repair is the lack of experimental control over the local mechanical environment within a healing bone lesion. We report the design and use of an external fixator for bone repair with the ability to change fixator stiffness in vivo.
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Service Gap Model
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Understanding service quality gaps enables companies to make targeted improvements to meet customer needs better. The Knowledge Gap arises when a company needs to understand customer expectations due to inadequate research or communication. For example, a store might assume customers prefer a wide selection of products when they value faster service. Companies should actively gather and respond to customer feedback to close this gap. The Policy Gap occurs when a company's service policies do...
FAQs
Mechanical stability provides the conditions needed for tissue bridging between repositioned bone segments. As repair progresses from inflammation to soft-callus formation, mineralization, and remodeling, insufficient stability can interfere with progression through these stages. Evaluating fixation in relation to the gap therefore helps clinicians support alignment while creating a mechanical environment that favors predictable union.
Gap size affects how clinicians assess the mechanical and biological demands of healing. A larger or otherwise challenging space may require closer consideration of fixation and bone grafting, while alignment must remain controlled during repair. This assessment is important because the gap, its stability, and local biological conditions interact to influence delayed healing or nonunion risk.
The vascularized soft callus is an intermediate stage in bone repair after inflammation and before mineralization. Its development helps establish tissue that can progress toward a stronger, mineralized bridge between bone segments. Tracking this sequence gives the healing process biological context and helps explain why both vascular conditions and fixation matter when evaluating an osteotomy gap.
Fixation addresses the mechanical environment, whereas biological conditions support the tissue processes required for repair. Neither factor should be considered in isolation: the gap must progress through inflammation, soft-callus formation, mineralization, and remodeling while alignment remains controlled. Considering both dimensions helps clinicians interpret healing potential and identify circumstances associated with delayed union or nonunion.
Evaluation considers the position of the bone segments, the intended correction, and the conditions needed for bridging during healing. Clinicians use this assessment to guide decisions about fixation and whether bone grafting should be considered. The same review also supports attention to alignment, because successful correction requires both the planned position and a pathway toward union.
Gap management is relevant when surgery repositions bone to address deformity, improve limb alignment, or preserve a joint. In these settings, the gap is not assessed only as a space created by the cut; its stability and healing environment also influence whether the intended correction can unite reliably. This makes gap evaluation part of broader procedural planning in medicine.