Patent ID: 11925425
Assignee: IEMIS (HK) LIMITED
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 18:
19. A surgical arm assembly, the surgical arm assembly comprising:
an end-effector assembly, the end-effector assembly having:
a first instrument assembly, the first instrument assembly having:
a first instrument for performing a surgical action;
a first instrument driven portion, the first instrument driven portion configured to move the first instrument relative to a first axis when the first instrument driven portion is driven by a first drive gear; and
a first instrument insulative portion provided between the first instrument and the first instrument driven portion in such a way as to electrically isolate the first instrument from the first instrument driven portion;

a wrist assembly, the wrist assembly having:
a wrist driven portion, the wrist driven portion configured to move the first instrument relative to a second axis when the wrist driven portion is driven by a wrist drive portion, the second axis different from the first axis, wherein the wrist assembly and the first instrument assembly are configured in such a way that the second axis and the first axis do not intersect one another; and
a first wrist connector portion; and

an arm assembly securable to and removable from the end-effector assembly, the arm assembly having:
the first drive gear, the first drive gear configured to drive the first instrument driven portion so as to move the first instrument relative to the first axis when the arm assembly is secured to the end-effector assembly;
the wrist drive portion, the wrist drive portion configured to drive the wrist driven portion of the end-effector assembly so as to move the first instrument relative to the second axis when the arm assembly is secured to the end-effector assembly; and
a second wrist connector portion at a distal end of the arm assembly, the second wrist connector portion configurable to connect to and disconnect from the first wrist connector portion of the wrist assembly, wherein the end effector assembly is secured to the arm assembly when the second wrist connector portion is connected to the first wrist connector portion, and wherein the end effector assembly is unsecured from the arm assembly when the second wrist connector portion is disconnected from the first wrist connector portion.