Surgical stapler having a powered handle

This invention advances surgical technology by introducing powered automation to surgical stapling procedures, enhancing precision, consistency, and operator control during complex surgical interventions.

The Problem

Traditional surgical staplers rely entirely on manual force from the surgeon, which can lead to inconsistent staple formation, user fatigue during extended procedures, and limited ability to achieve optimal results in challenging surgical environments. Surgeons must maintain precise pressure and timing while manipulating instruments, which becomes difficult during lengthy operations or when working in confined spaces. The lack of standardization in staple deployment can result in suboptimal tissue approximation, increasing complications and extending recovery times.

What This Invention Does

This patent describes a surgical stapler system featuring an integrated electric motor in the handle, combined with intelligent control mechanisms that regulate staple deployment. The system includes a battery power supply, ensuring cordless operation without compromising functionality. A manual articulation mechanism using ball screw technology allows surgeons to position the jaw assembly while maintaining full control, with an automatic return function for convenience.

Key Features

Powered Drive System. An electric motor automates the stapling action, reducing the physical effort required from the surgeon while providing consistent, reproducible results regardless of tissue type or surgical location.

Intelligent Control System. Smart electronics monitor operating parameters and user inputs, adjusting motor behavior in real-time to optimize staple formation for different tissue conditions.

Manual Articulation with Ball Screw. Surgeons retain precise positioning control through a mechanical articulation knob that operates a ball screw mechanism, allowing fine-tuned jaw positioning without requiring excessive force.

Integrated Power Supply. A rechargeable battery pack eliminates the need for external power connections, improving surgical field mobility and reducing tripping hazards in the operating room.

Automatic Return Mechanism. After stapling, the jaw assembly automatically returns to a centered position, improving workflow efficiency and reducing operator fatigue.

Who Is Behind It?

Applied Medical Resources Corporation, a California-based surgical instrument manufacturer, developed this invention with contributions from eight engineers and inventors including Christina N. Reed, Matthew M. Becerra, and Andrew J. McCarthy. The company specializes in minimally invasive surgical instruments, and this patent represents their advancement into powered surgical tool technology. This application is a divisional of earlier filings, showing iterative refinement of the technology over several years.

Why It Matters

Powered surgical instruments represent a significant trend in modern operating room technology, improving surgical outcomes and reducing surgeon fatigue during long procedures. The classification under A61B 17/072 and A61B 17/29 (surgical instruments and stapling devices) highlights its relevance to contemporary surgical practice. Hospitals and surgical centers worldwide increasingly invest in technologies that improve precision, reduce operative time, and enhance ergonomics for surgical teams. This invention addresses multiple objectives simultaneously, making it particularly valuable for complex surgical specialties requiring extended instrument use.

---

AU 2026201473 was published in the Australian Official Journal of Patents on 19 March 2026 and is open for public inspection. Patent applications represent inventions that are sought to be protected and do not necessarily reflect commercially available products.

Related Concepts

Surgical staplers are instruments that join tissue or close wounds using metal staples, widely used in gastrointestinal, thoracic, and bariatric surgery. Powered versions reduce the manual effort required of surgeons and can provide more consistent staple formation. This trend toward minimally invasive, ergonomically optimised instruments reflects a broader shift in operating room technology toward reducing surgeon fatigue and improving procedural precision.