Segmented Surgical Buttress for Stapler Attachment Stability
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Solution Overview
Problem
Existing surgical stapling apparatuses face challenges in securely attaching a surgical buttress to prevent shifting, tearing, or damage during assembly, and in providing a single profile buttress compatible with various-sized cartridge and anvil assemblies.
Innovation Solution
A surgical stapling apparatus with a detachable surgical buttress featuring a body portion, neck portion, and head portion, secured to the cartridge and anvil assemblies using sutures, and designed to overlie staple slots or formation pockets, with recesses for registration and detachment, made from biocompatible and bioabsorbable materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a surgical buttress is securely attached to prevent shifting and damage, then reliability is improved, but device complexity increases due to multiple attachment points and sutures
Solution Approach 1:
The surgical buttress is divided into distinct segments including a body portion, neck portion, and head portion. Each portion can be independently positioned and attached to corresponding sections of the cartridge and anvil assemblies, allowing for distributed attachment points that enhance stability without requiring a single complex attachment mechanism
Solution Approach 2:
The buttress is pre-configured with attachment features and recesses that align with corresponding attachment points on the cartridge and anvil assemblies before the stapling procedure. This preliminary configuration ensures proper positioning and reduces the complexity of assembly during surgery, as the components are designed to mate together in a predetermined manner
2Adaptability or versatility
If a single profile buttress is used for various assembly sizes, then adaptability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The surgical buttress is designed with a universal profile that can be used across different sizes of cartridge and anvil assemblies. The body portion, neck portion, and head portion are dimensioned to provide a standard interface that accommodates various assembly sizes, allowing a single buttress design to serve multiple functions and applications
Solution Approach 2:
While the overall profile is universal, the buttress incorporates local variations in dimensions and attachment features at specific locations. The neck portion and head portion have optimized geometries that allow adaptation to different assembly sizes without changing the fundamental design, maintaining manufacturing feasibility while achieving versatility
3Ease of manufacture
If detachable buttress design is implemented, then ease of manufacture and storage is improved, but loss of time occurs during assembly and detachment
Solution Approach 1:
The detachable design divides the buttress into separable components that can be manufactured independently and stored separately from the cartridge and anvil assemblies. This segmentation simplifies manufacturing processes and storage requirements, as each component can be produced using optimized processes and stored in compact configurations
Solution Approach 2:
The buttress components are pre-configured with alignment features, recesses, and attachment points that enable rapid assembly during surgery. The preliminary design of these interfaces ensures that despite the detachable nature, the assembly process is streamlined and minimizes time loss through intuitive positioning and secure engagement
Data Source
AI summary
A surgical buttress for use in a surgical stapling apparatus is provided. The surgical buttress includes an elongate rectangular body portion defining a width; a nose portion integrally formed with and extending from a distal end of the body portion, the nose portion defining a width that is less than the width of the body portion; a neck portion integrally formed with and extending from a distal end of the nose portion, the neck portion defining a width; a head portion integrally formed with and connected to a distal end of the neck portion, the head portion defining a width; and a tail portion integrally formed with and extending from a proximal end of the body portion, the tail portion defining a width that is less that the width of the body portion. The surgical buttress is formed from a material having filaments. The surgical buttress include radioactive material.