A portable blood sucking device for medical use includes a housing with a cavity in the middle to accommodate a plurality of blood sucking elements compressed into a sheet structure. When a blood-sucking element is separated from the casing in the first stage, the blood-sucking element will instantly expand and expand into a blood-sucking ball, and the user can take the casing for blood-sucking and waste-sucking operations. After the blood-sucking element is full of blood and waste liquid, the user only needs to separate the blood-sucking element from the housing in the second stage, and then the used blood-sucking element can be discarded. The entire operation process will not allow blood or waste liquid to get into the user's hands. The replacement and storage of blood-sucking components are safer and more hygienic, and save space. In this way, it can be convenient for medical staff to carry out or use as a general medical institution or Home health care use.一種便攜式醫療用吸血器，係包括一殼體，其中間係設置一腔室，以容設複數個壓縮成片狀結構的吸血元件。當一吸血元件與殼體進行第一階段分離時，吸血元件即會瞬間澎脹撐開成一吸血球，使用者即可拿取該殼體進行吸血及吸廢液之操作。當吸血元件吸滿血液及廢液後，使用者僅需將吸血元件與殼體進行第二階段分離，即可將該使用過的吸血元件丟棄。整個操作過程皆不會讓血液或廢液沾到使用者的手，吸血元件的替換及保存更為安全衛生，並節省空間，如此即可方便醫護人員外出攜帶使用，或作為一般醫療院所或居家衛生保健使用。
