One-Handed Surgical Wire Instrument with Rotating Clamp
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Solution Overview
Problem
Current surgical instruments for handling Kirschner wires lack efficient mechanisms for precise positioning and secure insertion into bone bores, leading to potential wire protrusion and rotation, which can cause injury and complicate the osteosynthesis process.
Innovation Solution
A surgical instrument featuring a receiving element with a movably mounted clamping part that allows for one-handed operation, providing a secure clamping and release mechanism to advance the wire into the bone bore without protrusion, utilizing a design with pins and eyelet-like openings for enhanced grip and leverage, and incorporating metal elements for increased clamping force and wear reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If commercially available forceps are used to insert the wire into the bone bore, then the wire can be gripped and inserted, but the wire may protrude or rotate causing injury and complicating the procedure
Solution Approach 1:
The patent introduces a specialized receiving element as an intermediary device between the forceps and the wire. This receiving element has a bore that receives the wire and positioning elements that prevent rotation and protrusion, thereby mediating the insertion process safely without the harmful effects of direct forceps manipulation
Solution Approach 2:
The patent extracts the wire from direct contact with the surgeon's hands and forceps by placing it inside a receiving element. This extraction isolates the wire within a controlled environment where its position and orientation are mechanically constrained, preventing protrusion and rotation hazards
2Adaptability or versatility
If multiple tools are used for wire bending, insertion, and cutting, then each function can be performed with specialized instruments, but the device complexity and number of steps increase
Solution Approach 1:
The patent merges multiple wire handling functions into a single integrated instrument. The receiving element is designed to accommodate the wire throughout the entire procedure, combining bending, insertion, and securing functions in one device, thereby reducing the number of tools and steps required
Solution Approach 2:
The receiving element is designed as a universal component that performs multiple functions: it receives the wire during bending, guides it during insertion into the bone bore, and maintains its position throughout the procedure. This multi-functional design eliminates the need for separate specialized tools for each step
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The instrument enables safe and precise insertion of surgical wires into bone bores, reducing the risk of wire protrusion and rotation, allowing for efficient osteosynthesis with improved control and reduced risk of injury to the surgeon.
Implementation Method 1
a clamping force is exerted on the wire by pressing together the gripping parts which form the gripping element
Implementation Method 2
the clamping jaws are connected to gripping elements in the manner of pliers, so that a clamping force is exerted on the wire
Data Source
Figure 1~2
Figure 3~5
Figure 6a~6b
AI summary
The invention relates to a surgical instrument for implanting a wire, preferably into a bone. According to the invention, the instrument (1) is characterized in that it can be operated with one hand and thus acts as an extended arm of a surgeon. It is characterized by the fact that the instrument consists of a receiving element (2) and a clamping element (3) as well as a handle element (4), the handle element (4) consists of two handle parts (5, 8), wherein the receiving element (3) comprises the first handle part (5) and the clamping element (3) the second handle part (8), the receiving element (2) comprises a recess (11) for at least partial support of the wire (D) and the clamping element (3) is rotatably mounted on the receiving element (2) via a bearing point (6) and comprises a clamping element (10) which engages in the recess (11) and is designed such that by pressing together the handle parts (5, 8) the clamping element (3) presses the wire (D) against the support.