Osteotome Distal Portion Simultaneous Advancement and Articulation

Solution Overview

Problem

Existing osteotomes face damage or breakage due to reactionary forces from bone when transitioning from a linear to a bent configuration without simultaneous advancement, which increases the risk of tool failure during bone cavity creation or expansion procedures.

Innovation Solution

The osteotome design allows for simultaneous advancement and articulation of its distal portion by rotating the handle, which reduces the magnitude of forces acting on the tool through coordinated movement of multiple shafts and components, ensuring the distal portion is advanced and bent in a controlled manner.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the distal portion is transitioned from linear to bent configuration without simultaneous advancement, then the osteotome can articulate to follow bone curvature, but the magnitude of forces on the distal portion increases causing damage or breakage

Engineering Contradiction:

Improvearticulation capabilityVSAvoidtool durability

Core Design Contradiction:

Adaptability or versatilityVSStrength

Solution Approach 1:

The osteotome is advanced into the bone cavity before articulation is initiated. This preliminary positioning ensures the distal portion is already inside the cavity before bending forces are applied, preventing excessive reaction forces from bone contact during the transition from linear to bent configuration.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The osteotome employs a dynamic mechanism where the distal portion can transition from a linear to a bent configuration through coordinated rotation of multiple shafts. This dynamic articulation allows the tool to adapt to bone curvature while controlling force magnitude through the mechanical coupling of the first and second shafts rotating in opposite directions.

Inventive Principle:

Principle #15Dynamics

2Strength

If the distal portion is advanced first then articulated, then forces are reduced and tool damage is prevented, but the procedure requires separate steps increasing operation time

Engineering Contradiction:

Improvetool durabilityVSAvoidprocedure time

Core Design Contradiction:

StrengthVSLoss of time

Solution Approach 1:

The osteotome combines advancement and articulation into a single integrated operation. By coupling the first and second shafts through a mechanical connection, rotating the handle simultaneously advances the distal portion into the bone cavity and articulates it to follow the curvature, eliminating the need for separate steps.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The osteotome enables continuous useful action by performing both advancement and articulation in one coordinated motion. The mechanical coupling ensures that as the distal portion is advanced into the cavity, it simultaneously articulates to match the bone curvature, maintaining continuous productive engagement without interruption.

Inventive Principle:

Principle #20Continuity of useful action

3Adaptability or versatility

If the distal portion is articulated first then advanced, then the tool can follow bone curvature better, but reactionary forces from bone contact increase causing tool failure

Engineering Contradiction:

Improvecurvature followingVSAvoidoperation reliability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The osteotome is advanced into the bone cavity before articulation is initiated. This preliminary positioning ensures the distal portion is already inside the cavity before bending forces are applied, preventing excessive reaction forces from bone contact during the transition from linear to bent configuration.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The osteotome employs a dynamic mechanism where the distal portion can transition from a linear to a bent configuration through coordinated rotation of multiple shafts. This dynamic articulation allows the tool to adapt to bone curvature while controlling force magnitude through the mechanical coupling of the first and second shafts rotating in opposite directions.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS11607230B2Osteotome with a distal portion for simultaneous advancement and articulation

Publication Date: 2023.03.21 DFINE INC

AI summary

Medical devices for creating or expanding a cavity within bone of a patient are disclosed. In some circumstances, a medical device, such as an osteotome is designed to facilitate simultaneous advancement and articulation of a distal portion of the osteotome. Simultaneous advancement and articulation of the distal portion may reduce one or more forces on the distal portion of the osteotome relative to other methods in which advancement and articulation are separated in time, thereby decreasing the risk of breakage or other damage to the osteotome.