SYRINGE PUMP

• Main Authors: NAKAMURA MANABU, YAEGUCHI KOICHI
• Format: Patent
• Language: English; Japanese
• Published: 17.05.2018
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

PROBLEM TO BE SOLVED: To suppress inclination of an engagement part when pressing a plunger.SOLUTION: A syringe pump according to one embodiment, includes a lead screw and a slider. The slider includes: an engagement part to be engaged with the lead screw; and a slider cover in which an internal space for storing the engagement part is formed, and the outer surface of which comes into contact with a plunger of the syringe; and with rotation of the lead screw, slidingly moves in a prescribed advancing direction to press the plunger. The slider cover includes a contact part that is provided at the internal space, and comes into contact with a portion in the advancing direction out of a part approaching to the engagement part, when the slider presses the plunger.SELECTED DRAWING: Figure 3 【課題】押し子を押圧する際に噛み合い部が傾くことを抑制すること。【解決手段】実施形態に係るシリンジポンプは、リードスクリューと、スライダーとを備える。スライダーは、リードスクリューと噛み合う噛み合い部と、噛み合い部を収容する内部空間が形成され、外面が注射器の押し子と当接するスライダーカバーと、を有し、リードスクリューの回転に伴い所定の進行方向にスライド移動して押し子を押圧する。そして、スライダーカバーは、内部空間に設けられ、スライダーが押し子を押圧する際に、噛み合い部に近接する箇所のうち進行方向側の箇所に当接する当接部を有する。【選択図】図３