US 11,992,240 B2
Puncture system
Ryosuke Ueda, Shizuoka (JP); Takashi Kumazawa, Shizuoka (JP); Ryosuke Maeda, Shizuoka (JP); Toshiaki Shinohara, Yamanashi (JP); Masaaki Watanabe, Shizuoka (JP); and Yuusuke Uchida, Shizuoka (JP)
Assigned to TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed by TERUMO KABUSHIKI KAISHA, Tokyo (JP)
Filed on Dec. 3, 2020, as Appl. No. 17/110,747.
Application 17/110,747 is a continuation of application No. PCT/JP2019/022306, filed on Jun. 5, 2019.
Claims priority of application No. 2018-108638 (JP), filed on Jun. 6, 2018.
Prior Publication US 2021/0085362 A1, Mar. 25, 2021
Int. Cl. A61B 17/34 (2006.01); A61B 34/32 (2016.01); A61B 34/30 (2016.01); A61M 25/01 (2006.01)
CPC A61B 17/3403 (2013.01) [A61B 34/32 (2016.02); A61B 2034/303 (2016.02); A61M 25/0113 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A puncture system configured to automatically puncture a blood vessel of a hand of a patient by a puncture needle, the puncture system comprising:
a grip to be gripped by the hand of the patient;
a blood vessel detection unit configured to detect a position of the blood vessel of the hand of the patient that grips the grip;
an adjustment mechanism configured to adjust a relative posture of the grip and the puncture needle;
a forward mechanism configured to move the puncture needle forward toward the grip; and
a control unit that determines, in accordance with the position of the blood vessel detected by the blood vessel detection unit, the relative posture of the grip and the puncture needle and a forward movement distance to move the puncture needle, and controls operations of the adjustment mechanism and the forward mechanism based on the posture of the grip and the forward movement distance determined by the control unit.