DETENTION TYPE MEDICAL APPARATUS

To provide a detention type medical apparatus including a body to which a connector can be connected and effectively fastened with sufficient connection strength of the connector.SOLUTION: A liquid medicine injection port to be detained in a human body and connected to a catheter is constituted by: a base inside which at least part of a liquid reservoir is formed; a lid body for holding a diaphragm part together with the base; and a connector part 40 including an insertion part 42 to be inserted into the inside of the base or the inside of the base and the inside of the lid body and a connection part 41 outside the base to be connected to the catheter. On the insertion part 42's outer peripheral surface are provided: a plurality of inclined projection parts 42a inclined upward from the inner side of the base toward the outer side; and a flat straight part 42b between the plurality of inclined projection parts 42a.SELECTED DRAWING: Figure 5 【課題】本体にコネクタを接続し、両者を効果的に固着してコネクタの充分な接続強度を得ることができる留置型医療機器を提供する【解決手段】体内に留置されて、カテーテルと接続する薬液注入ポートを、液溜部の少なくとも一部が内部に形成されている基部と、基部と共に隔膜部を保持する蓋体と、基部の内部または基部及び蓋体の内部に挿入される挿入部４２と、基部の外部にあってカテーテルと接続される接続部４１とを有するコネクタ部４０と、により構成し、挿入部４２に、外周面上に基部の内側から外側に向かって上り傾斜する複数の傾斜突起部４２ａと、複数の傾斜突起部４２ａの間にある平坦なストレート部４２ｂと、を設ける。【選択図】図５