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Cilag GmbH Surgical Stapler and Staple Cartridge Patent, US12599380B2

Favicon for changeflow.com USPTO Patent Grants - Diagnosis & Surgery (A61B)
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Summary

USPTO granted patent US12599380B2 to Cilag GmbH International for a surgical stapler and staple cartridge system. The patent covers a retaining pin assembly design and staple cavity configuration where outermost edges align with or extend beyond the pin rod axis. The patent includes 20 claims and was filed on April 5, 2023.

Published by USPTO on changeflow.com . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .

What changed

USPTO granted patent US12599380B2 to Cilag GmbH International covering a surgical stapler and staple cartridge with an improved retaining pin assembly. The patent describes staple cavities where outermost edges align with or extend beyond the pin rod axis, and corresponding anvil pocket configurations. Medical device manufacturers developing competing surgical stapling products should review this patent to assess potential infringement risks or need for design-around modifications.

This patent grant establishes enforceable intellectual property rights in the surgical stapler space. Competitors in the medical device sector should have their product development teams review the 20 claims for any overlap with existing or planned products to determine if licensing discussions or design modifications are warranted.

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Archived snapshot

Apr 15, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← USPTO Patent Grants

Surgical stapler and staple cartridge for the same

Grant US12599380B2 Kind: B2 Apr 14, 2026

Assignee

Cilag GmbH International

Inventors

Mengli Yang, Hong Xiangchun, Junjie Wang, Chunchun Liu, Sheng Ding

Abstract

A cartridge body of a staple cartridge includes a tissue contact platform; a plurality of staple cavities; and a retaining pin assembly slidably arranged in an end of the cartridge body proximate to the outside. In the longitudinal direction of the staple cartridge, an outermost edge of an outermost staple cavity in at least one row of the staple cavities is aligned with or extends beyond a longitudinal axis of the pin rod. The A surgical stapler includes an anvil for causing staples in the staple cartridge formed and an anvil side retaining pin receiving hole for receiving a free end of a retaining pin assembly of the staple cartridge. An outermost edge of an outermost staple forming pocket in at least one row of the staple forming pockets is aligned with or extends beyond a center of the retaining pin receiving hole at the anvil side.

CPC Classifications

A61B 17/072

Filing Date

2023-04-05

Application No.

18851247

Claims

20

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Last updated

Classification

Agency
USPTO
Published
April 14th, 2026
Instrument
Rule
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
US12599380B2

Who this affects

Applies to
Medical device makers
Industry sector
3345 Medical Device Manufacturing
Activity scope
Patent grant Medical device IP
Geographic scope
United States US

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Medical Devices Healthcare

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