It applies example in some Real of this public affairs Open and is related to a Seed Medical and connect device with Even, The Medical, which connects device with Even, has reflux resistance Block mould Block, is promoted the anti-only stream Body of Guide thing part Time in the raw reflux of Hair with what and inhaled to connect device into Even. Applied in example in some Real, reflux resistance Block Mo Block may include can the room Change Rong Plot, give birth to back Should reflux with Yu Hair and promotees Guide Shi Jian Time and change Change Rong Plot, and hinder the Check valve that Block flows back with what. Applied in example in some Real, stated Medical with Even connect device may include stream Body current divider, with what Will stream The Medical with the stream Body Guide that Even connects device enter can Change hold the room Plot, with prevent stream Body Stagnation be left in them. , Suo Shu Medical, which is applied in example, in some Real meets device Bao Kuo Zhu Body Agencies part, pedestal Agencies part, sealing Agencies part, branch Brace Agencies Jian He Valve Agencies part Yong Even.在此公開的一些實施例涉及一種醫用連接器，該醫用連接器具有回流阻擋模塊，用於在發生回流促導事件時防止流體被吸入連接器。在一些實施例中，所述回流阻擋模塊可包括可變容積室，用於在發生回應回流促導事件時改變容積，以及用於阻擋回流的止回閥。在一些實施例中，所述醫用連接器可包括流體分流器，用於將流經醫用連接器的流體導入可變容積室，以防止流體滯留在其中。在一些實施例中，所述醫用連接器包括主體構件、基座構件、密封構件、支撐構件和閥構件。
