靜脈抽血是一種利用現代醫學器具進行的侵入性醫學操作，其原理即係利用注射針頭刺入靜脈，接著在抽拉注射針筒至使其產生真空讓血液流至針筒中，完成採血。然而，抽血過程中的刺入靜脈與抽拉針筒的抽血步驟，可能因為醫療人員技術不成熟而導致患者在抽血中感到不適，目前尚無任何自動化輔助器械可協助醫療人員固定速度的抽血輔助。
本研究即欲嘗試設計一種創新抽血輔助器具，期望該器具可協助醫療人員快速並固定速度完成抽血操作。藉由文獻回顧中了解到現有輔助注射器具種類，並從中吸取可用之功能進行利用，並加入創新元素強化本研究之輔助器具之功能與使用性。接著從而導入使用者經驗設計方法進行外型與功能性機構設計，設計出輔助器具，另外也加入電子驅動元件來控制運作，讓其在操作時可以趨近固定速度的輔助器具。
綜之，本研究所提出之創新抽血輔助器具為全球首見，研究成果期可有效縮短抽血操作時間、訂定抽血及排血的固定速度、提高抽血過程整體質量。

Blood test is an invasive medical operation by modern medical instruments. The principle is that the needle is used to penetrate the vein, and then pull syringe to catch blood. However, this operation may let patients feel uncomfortable due to some mistakes by medical staff. There is no any device can assist the medical staff to control syringe stable and effective. This thesis is intended to try to design an innovative syringe instrument for blood test, which is expected to let the medical staff easy to finish the job quickly.
Through the literature review to understand the existing types of devices, and analysis it to catch the key-point. Use user experience design method for ID & ME design, to meet the target, and also add electronic drive components to control the operation so that reduce human error rate.
It is believed that the proposed design is the first-of-its-kind assistive device for blood in the world. It is anticipated that the proposed device could effectively minimize the operation time of blood test, reduce the operating error rate, and improve the overall quality of the blood test process.

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