放射醫療檢查用可變式輪椅設計

Deformable Wheelchair Design for Radiation Medical Inspection

梁仲恒(Liang, Chung-Heng)

指導教授 ： 林柏廷 ； 章明

中原大學/工學院/機械工程研究所/碩士(2017年)

https://doi.org/10.6840/cycu201700741

摘要

本論文研發一台放射醫療檢查輔助用可變式輪椅輔具，平常可以當正常輪椅使用，當推入放射室時可以變形成照射床使用，並且在研發過程中評估各部位機構所選用的材料及材質的安全性，並以此規劃使用方式及應該設置的使用限制，在確認尺寸、便利性與安全性等項目後，完成可變式輪椅輔具的組裝，以組裝結果分析及規劃臨床使用的方式。
由於人體的重量分布是非均勻的，有的人頭重腳輕，有的人則明顯身體軀幹較四肢來的重，因此必須取平均值來設計本輔具，且本論文之構想與市面上的產品設計邏輯不同，因此需要重新規劃設計，並分類出2類共8種機構詳細解說選配方式及製造方式，分別為作動機構類與基本結構類；作動機構類的部分，由於需要作動使可變式輪椅能運作，因此需要供電或是油壓等包含機械動能的系統，包含4種機構，分別為躺平機構、照射板機構、升降機構與移動機構，而作動機構之間的組合則需要各種不同類型的基本結構來配合，基本結構也包含4種機構，分別是載體、底板、防傾倒機構與額外周邊。
最後則在分析比較各種不同的設計方案後，選擇可行的機構方案，將這些最終方案組合成可變式輪椅輔具樣品，並測試是否符合輔具規畫的需求。

關鍵字

放射醫療檢查 ； 可變式輪椅 ； 防傾倒機構 ； 產品開發與設計

並列摘要

In this research, a dual-purpose convertible wheelchair is developed; in helps of medical-radiograph usage. Several properties are concerned in design phase which are listed as follow: Mechanism, Material, safety features, physical dimensions and user-friendly. All listed items are insure that this wheelchair can convert between normal wheelchair and radiography platform seamlessly.
The disclaimer is be set, because of uneven-weight distribution form hu-man bodies all of design values had be averaged. Therefore, the design philos-ophy are different form market. This wheelchair are designed to be power in-dependent, so battery-based power was used. The movement actuations was derive by Hydraulic system and servo actuators. In categorizing, eight kinds of mechanisms / functions are studied in this research which can divided to Mo-tional-mechanism category and structural- mechanism category at bellows.
Motional mechanism: Motional mechanisms serves multiplies functions, they are tilting mechanism (for body movement); radiograph mechanism (for radiograph board transportation); elevation mechanism and translation mecha-nism.
Structural mechanism: In order to supporting all mechanism listed above, four fundamental Structures are needed. One is Load truss for body support, second a baes plate for all equipment’s loading, third an ant-rollover mecha-nism for safety reasons, fourth some auxiliary components are also added.
In conclusions, dozens of designs has compare, test and analysis for vali-dating this wheelchair meets functions expected.

並列關鍵字

radiography ； convertible ； wheelchair ； ant-rollover mechanism ； product devel-opment and design

參考文獻

[11] G. Aoki, T. D. Bowman, and I. Oec Medical Systems, "Undercarriage for X-ray diagnostic equipment ", ed: US Patent 5,503,416, 1994.

[7] W. H. Dunkley, "Power propulsion of road vehicles," ed: US Patent 1,455,720, 1923.

[10] H. Nonaka, T. Kan, and L. Sumitomo Heavy Industries, "Bed system for radiation therapy ", ed: US Patent 6,094,760, 1998.

[28] D. Samuel, "Motor attachment for wheel chairs," ed: US Patent 2,495,573, 1948.

[34] D. Mashuda, "Mechanized wheelchair ", ed: US Patent 3,964,786, 1974.