US 2017/0303924 A1Published application

Surgical staple cartridge with hydraulic staple deployment

AssigneeEthicon, Inc.

InventorCharles J. Scheib

Life of this patent

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Abstract

A surgical instrument includes a body assembly, a shaft assembly, and an end effector. The end effector has first and second jaws that are configured to receive a tissue therebetween. The end effector also includes a staple cartridge including a plurality of staples and a hydraulic expandable member that is configured to receive a fluid and thereby expand from a contracted state to an expanded state. The hydraulic expandable member is further configured to direct at least one of the plurality of staples toward an anvil of the first jaw for forcing the at least one of the staples against the anvil and forming the at least one of the staples within the tissue.

Claims20

Dependent claims

A surgical instrument, comprising:

(a) a body assembly;
(b) a shaft assembly extending distally from the body assembly;
and
(c) an end effector extending distally from the shaft assembly, wherein the end effector includes:
a first jaw having an anvil, wherein the anvil is configured to form a plurality of staples received theregainst,
(ii) a second jaw, wherein the first jaw is movable relative to the second jaw from an open configuration toward a closed configuration for capturing the tissue therebetween and forming the staples therein, and
(iii) a staple cartridge received by the second jaw, wherein the staple cartridge includes:
(A) the plurality of staples, and
(B) a hydraulic expandable member configured to receive a fluid, wherein the hydraulic expandable member is configured to expand from a contracted state toward an expanded state upon receiving the fluid, and wherein the hydraulic expandable member is configured to direct at least one of the plurality of staples toward the anvil for forcing the at least one of the plurality of staples against the anvil and forming the at least one of the plurality of staples within the tissue.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/133,364Filed 20 Apr 2016
Published: 26 Oct 2017
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

A61B 17/105
For applying or removing wound clamps , e.g. containing only one clamp or staple ; Wound clamp magazines: wound clamp magazines
A61B 17/068
Surgical instruments, devices or methods: surgical staplers , e.g. containing multiple staples or clamps
A61B 17/072
Surgical staplers , e.g. containing multiple staples or clamps: for applying a row of staples in a single action, e.g. the staples being applied…
A61B 17/07207
For applying a row of staples in a single action, e.g. the staples being applied simultaneously: the staples being applied sequentially

Family

US 10,285,700 B2Related patent
US 2017/0303924 A1This patent

From the US filing history. Foreign family members aren’t listed.

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Citations

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