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US 2021/0275778 A1Published application
Elongate instrument and elongate instrument guard member compatibility
AssigneeIntuitive Surgical Operations, Inc.
InventorsHans F. Valencia, Peter Fernandez, IV, Lucas S. Gordon
Life of this patent
Estimating the term…
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.
Claims20
A medical tool, comprising:
- a sheath comprising:
- a tubular shaft member including a sheath channel;
- and
- a guard member attached to a distal portion of the tubular shaft member, the guard member comprising:
- a head portion;
- an elongate body sized for receipt within the sheath channel;
- and
- a lumen extending through the head portion and the elongate body;
- and
- an elongate instrument sized for passage within the sheath channel, the elongate instrument comprising:
- a flexible elongated tubular section having a body wall;
- a rigid tip extending from a distal end of the tubular section, the rigid tip including an opening;
- and
- a flexible jacket covering at least a portion of the body wall, the flexible jacket including a chamfered distal end terminating proximally of the opening.
11 more elements
A medical tool, comprising:
- a sheath comprising:
- a tubular shaft member including a sheath channel;
- and
- a guard member attached to a distal portion of the tubular shaft member, wherein the guard member comprises a rigid distal section and a flexible proximal section;
- and
- an elongate instrument sized for passage within the sheath channel, the elongate instrument comprising:
- a flexible elongated tubular section having a body wall including a plurality of slits;
- a rigid tip extending from a distal portion of the tubular section;
- and
- a flexible jacket covering at least a portion of the tubular section, the flexible jacket having a distal portion disposed distally of a proximal end of the guard member in both an extended configuration and a retracted configuration.
7 more elements
A medical tool, comprising:
- a sheath comprising:
- a tubular shaft member including a sheath channel;
- and
- a guard member attached to a distal portion of the tubular shaft member, the guard member comprising a head portion including a plurality of flexible prongs defining a distal end of the guard member, wherein a distal outer diameter of the distal end of the guard member is smaller than an outer diameter of the tubular shaft member.
1 more element
Dependencies are inferred from the claim text.