公开(公告)号：US20210275778A1

公开(公告)日：2021-09-09

申请号：US17189462

申请日：2021-03-02

Applicant: Intuitive Surgical Operations, Inc.

Inventor： Hans F. Valencia ,  Peter Fernandez, IV ,  Lucas S. Gordon

IPC: A61M25/01 ,  A61M25/06 ,  A61M25/00

Abstract: A medical tool may comprise sheath and a needle extendable from and retractable into the sheath. The sheath may comprise a tubular shaft member and a guard member attached to the tubular shaft member. The needle may comprise a flexible jacket. One or more of these components may be configured to prevent interference between the flexible jacket and a portion of the guard member as the need is extended or retracted.

公开(公告)号：US20240316319A1

公开(公告)日：2024-09-26

申请号：US18733281

申请日：2024-06-04

Applicant: INTUITIVE SURGICAL OPERATIONS, INC.

Inventor： Hans F. Valencia ,  Peter Fernandez, IV ,  Lucas S. Gordon

IPC: A61M25/01 ,  A61M25/00 ,  A61M25/06

CPC classification number: A61M25/0138 ,  A61M25/0015 ,  A61M25/0618

Abstract: A medical tool may comprise a sheath and an elongate instrument. The sheath may comprise a tubular shaft member including a sheath channel and a guard member coupled to a distal portion of the tubular shaft member. The guard member may comprise a rigid distal section and a flexible proximal section that is more flexible than the rigid distal section. The elongate instrument may be sized for passage within the sheath channel. The elongate instrument may comprise a flexible tubular section and a rigid tip extending from a distal portion of the flexible tubular section.