# How Surgical Robots Create Working Space Inside the Body

> A surgical tool that expands inside a patient to create a stable, open workspace, allowing doctors to perform complex procedures using two independently controlled instruments.

- **Patent:** US RE48750
- **Original title:** USRE48750E1 - Substaintially rigid and stable endoluminal surgical suite for treating a gastrointestinal lesion
- **Owner:** Scimed Life Systems Inc
- **Granted:** 2021
- **Status:** Active
- **Times cited:** 1
- **Field:** consumer_electronics, mechanical

## What it does

This device acts as a miniature operating room that unfolds inside a patient's body, such as the colon. It features a chamber made of movable members that expand from a thin, collapsed shape into a wider structure, creating a dedicated 'working space' around a lesion. Once expanded, the system guides two separate tubes into this space. Because these tubes can move and rotate independently, a surgeon can achieve 'triangulation'—a technique where two instruments converge on a target from different angles, which is essential for precise cutting or suturing in tight spaces.

## What it does NOT cover

- Does not cover standard endoscopes that lack an expandable chamber for creating a multi-instrument working space.
- Does not cover surgical systems that rely on a single, fixed-position instrument path.
- Does not cover non-endoscopic surgical tools that operate from outside the body cavity.

## The clever bit

The system solves the 'crowding' problem of endoscopy by physically moving the target tissue laterally away from the device's center, effectively creating a 3D operating theater inside a 2D tube.

## Real-world examples

1. Endoscopic submucosal dissection (ESD) platforms
2. Robotic-assisted gastrointestinal surgery systems
3. Minimally invasive colon lesion removal tools

## Why it matters

Performing surgery inside the gastrointestinal tract is notoriously difficult because the environment is cramped and unstable. By creating a rigid, localized workspace, this technology helps transition procedures that previously required open surgery to less invasive endoscopic methods, potentially reducing patient recovery time and complications.

## Frequently asked questions

### What does How Surgical Robots Create Working Space Inside the Body cover?

A surgical tool that expands inside a patient to create a stable, open workspace, allowing doctors to perform complex procedures using two independently controlled instruments.

### Who owns patent US RE48750?

Scimed Life Systems Inc owns this patent, granted in 2021.

### When does this patent expire?

This patent is expected to expire on September 28, 2041, when the invention enters the public domain.

### What is patent US RE48750 cited by?

This patent has been cited by 1 later patents that build on its ideas.

### What problem does this patent solve?

Performing surgery inside the gastrointestinal tract is notoriously difficult because the environment is cramped and unstable. By creating a rigid, localized workspace, this technology helps transition procedures that previously required open surgery to less invasive endoscopic methods, potentially reducing patient recovery time and complications.

### What does this patent NOT cover?

Does not cover standard endoscopes that lack an expandable chamber for creating a multi-instrument working space.

**Full plain-English explainer:** https://patentbrief.org/patent/us/RE48750/cftr-modulator-screening

**Original patent:** https://patents.google.com/patent/USRE48750

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_Source: PatentBrief — https://patentbrief.org. Patent facts are from public records; the plain-English explanation is PatentBrief's._