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Review | DOI: https://doi.org/10.31579/2694-0248/101
Department of Orthopaedics, Gaiasce company and Gss subsidiary.
*Corresponding Author: Solomon I. Ubani, Department of Orthopaedics, Gaiasce company and Gss subsidiary.
Citation: Solomon I. Ubani, (2024), Design of Reciprocate Spindle for Tolerance Level of Pelvic Girdle, J. Clinical Orthopedics and Trauma Care, 6(5); DOI:10.31579/2694-0248/101
Copyright: © 2024, Solomon I. Ubani. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Received: 17 July 2024 | Accepted: 25 July 2024 | Published: 02 August 2024
Keywords: vitamin d; femoral neck fracture; pathological fracture; case report
In the field of medical engineering, designing components for prosthetics that meet the required tolerance levels is crucial for ensuring the comfort and functionality of the prosthetic device. One such component is the reciprocate spindle used in prosthetic limbs for the pelvic girdle. The design of the reciprocate spindle plays a vital role in providing stability and support to the pelvic region, allowing amputees to regain mobility and quality of life. This essay will discuss the importance of designing a reciprocate spindle that meets the tolerance levels for the pelvic girdle and the considerations that need to be taken into account during the design process.
The design and development of medical devices play a crucial role in enhancing patient care outcomes. In orthopedic surgeries, precise and reliable instrumentation is essential for successful procedures. The reciprocating spindle is one such critical component used in orthopedic surgeries, particularly in procedures involving the pelvic girdle. The tolerance level of the reciprocating spindle is paramount to ensure efficient and accurate functioning during surgical interventions.
Figure 1. Spindle designs incorporated advanced materials such as carbon fibre and intricate microprocessor mechanisms.
2.1 Importance of Tolerance Level in Prosthetic Design
The tolerance level in prosthetic design refers to the permissible limit of variation in the dimensions and specifications of a component. In the case of a reciprocate spindle for the pelvic girdle, the tolerance level is critical as it directly impacts the fit, comfort, and functionality of the prosthetic device. A well-designed reciprocate spindle ensures proper weight distribution, stability, and support for the pelvic region, allowing the user to move comfortably and perform daily activities without discomfort or pain.
2.2 Tolerance Level in Pelvic Girdle Procedures
The pelvic girdle is a critical component of the human body that supports the spine and connects the lower extremities. Surgeries involving the pelvic girdle require meticulous planning and execution to ensure the stability and functionality of the patient's skeletal structure. The tolerance level of the reciprocating spindle used in pelvic girdle procedures is significant in determining the accuracy of bone cutting and the overall success of the surgery.
2.3 Design Considerations for Reciprocating Spindle
Several key factors must be taken into account when designing a reciprocating spindle for the tolerance level of the pelvic girdle. These factors include material selection, precision engineering, surface finish, and compatibility with surgical instruments. Ensuring that the reciprocating spindle meets specific tolerance levels is imperative to prevent complications during surgery and achieve the desired clinical outcomes.
2.4 Factors to Consider in Designing Reciprocate Spindle for Pelvic Girdle
Several factors need to be considered when designing a reciprocate spindle for the pelvic girdle to ensure that it meets the required tolerance levels.
3.1 Material Selection
The material used in manufacturing the reciprocating spindle is crucial for its durability, strength, and compatibility with medical standards. High-quality stainless steel or titanium alloys Trulife are commonly employed due to their biocompatibility, corrosion resistance, and mechanical properties. The material selection must also consider factors such as sterilization methods and ease of maintenance to ensure the longevity and effectiveness of the reciprocating spindle.
3.2 Precision Engineering
Precision engineering plays a vital role in achieving the required tolerance levels for the reciprocating spindle. The dimensions, surface finishes, and geometric accuracy of the spindle must be meticulously controlled to ensure smooth and precise movements during surgery. Advanced machining techniques, such as CNC milling and grinding, are utilized to achieve tight tolerances and high precision in the design of the reciprocating spindle.
3.3 Surface Finish
The surface finish of the reciprocating spindle is essential for reducing friction, preventing wear, and facilitating smooth movements during surgical procedures. A polished surface finish with low roughness values is desirable to minimize tissue trauma, enhance cutting efficiency, and ensure the longevity of the spindle. Proper surface treatment processes, such as electropolishing or diamond lapping, are employed to achieve the required surface finish for the reciprocating spindle.
4.1 Compatibility with Surgical Instruments
The design of the reciprocating spindle must also consider its compatibility with surgical instruments, such as saw blades, drills, or cutting guides, used in pelvic girdle procedures. The spindle should feature standardized interfaces and mounting options to seamlessly integrate with existing surgical equipment and ensure optimal functionality during surgery. Compatibility testing and validation are essential to verify the performance and safety of the reciprocating spindle in conjunction with other surgical instruments.
Figure 2: Detachment effects for girdle in pelvic region (a) carbon fibre (b)helical spring and (c) actuated pneumatic mechanicsm.
Figure 2 shows the carbon fibre had absence of the detachment region beyond a load extension of 8mm. Whereas the helical spring showed detachment at the same strain while the actuated pneumatic had two detachment regions at 8 and 9mm.
1. Material Selection: The material used for the reciprocate spindle should be lightweight, durable, and biocompatible to avoid allergic reactions or skin irritations. Materials such as titanium alloys or medical-grade stainless steel are commonly used in prosthetic design for their strength and corrosion resistance.
2. Biomechanical Compatibility: The design of the reciprocate spindle should consider the biomechanics of the pelvic region to provide adequate support and stability. Factors such as the shape, size, and adjustability of the spindle play a crucial role in ensuring proper alignment and weight distribution.
3. Customization: Each individual's pelvic girdle anatomy is unique, requiring customized design and fit of the reciprocate spindle. 3D scanning and printing technologies can be employed to create personalized prosthetic components that match the user's specific anatomical requirements.
4. Ergonomics and Comfort: The design of the reciprocate spindle should prioritize user comfort and functionality. Features such as padding, adjustable straps, and pressure-relief mechanisms can enhance the comfort of the prosthetic device and prevent skin irritation or pressure sores.
5. Tolerance Level Testing: Before finalizing the design of the reciprocate spindle, thorough testing should be conducted to ensure that it meets the required tolerance levels for the pelvic girdle. This may involve structural testing, load testing, and biomechanical analysis to verify the performance and durability of the component.
In conclusion, the design of the reciprocating spindle for the tolerance level of the pelvic girdle is a critical aspect of orthopedic surgery that requires precision, reliability, and adherence to strict standards. By considering factors such as material selection, precision engineering, surface finish, and compatibility with surgical instruments, designers can develop high-quality spindle components that enhance the accuracy and safety of pelvic girdle procedures. Implementing these design considerations will ultimately lead to improved patient outcomes, reduced surgical complications, and enhanced efficiency in orthopedic surgeries involving the pelvic girdle. Designing a reciprocate spindle for the pelvic girdle with the appropriate tolerance levels is essential for the successful integration of the prosthetic device and the user's comfort and mobility. By considering factors such as material selection, biomechanical compatibility, customization, ergonomics, and tolerance level testing, engineers and prosthetists can create prosthetic components that meet the unique needs and specifications of each individual. Ultimately, a well-designed reciprocate spindle can significantly improve the quality of life for amputees by providing them with the stability, support, and functionality they need to regain independence and mobility.
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