# Automated rapid colonoscope insertion device to reduce physician injury and improve productivity

> **NIH NIH R43** · ERGAMI ENDOSCOPY, INC. · 2024 · $399,789

## Abstract

Colon cancer causes over 50,000 deaths each year in the US (12% of total cancer deaths). Colonoscopy (over
16 million procedures/year) is the most effective procedure for diagnosis and treatment of colon cancer.
Screening age reduction and a shortage of gastroenterologists (GIs) have created a significant colonoscopy
backlog. Productivity improvements are needed as delayed screening leads to increased cancer mortality.
Looping during scope insertion causes significant challenges in colonoscopy. Mucosal stretching leads to
patient pain and the need for sedation, which adds to patient risk, recovery time and procedure cost. Scope
insertion exerts repetitive biomechanical loads on the staff, causing a very high prevalence of endoscopy-
related injuries (ERIs) in endoscopists (75%) and nurses (85%). Looping leads to prolonged and variable
insertion time (4-18 min) based on endoscopist skill. We are developing a low-cost robotic flexible overtube
(sleeve) capable of blind automated insertion and fixation in the colon. The overtube facilitates straightforward
scope insertion and thereby reduces patient pain and the need for sedation; prevents ERIs in endoscopists
and nurses; and enables faster insertion. Substantial productivity improvement can be achieved by faster
insertion time (3 min) and improved recovery room efficiency due to sedation reduction. Technical innovations
that enable the blind automated insertion include: (a) Efficient Origami-packaging of a 36” long overtube into a
2” envelope. (b) “Progressive actuation” for device propulsion via tip-growth. (c) Novel pneumatic steering
actuator and steering control strategy for automated insertion into a tortuous anatomy. (d) Proprietary in-house
manufacturing methods for Origami-packaging of long slender tubes. We have demonstrated blind automated
overtube insertion in a bench-top tortuous rigid colon model in under 1 min. In Phase I, we will show feasibility
in more clinically relevant flexible silicone colon model and ex-vivo porcine tissue model, which present a more
challenging terrain. In Aim 1, we will develop a controlled colon insufflation system to create a more favorable
terrain for automated insertion compared to a normally collapsed colon. Since the device advances into the
colon without visual feedback, in Aim 2, we will integrate an electromagnetic (EM) tracking system to provide
trajectory feedback to the endoscopist. In Aim 3, we will demonstrate automated overtube insertion in clinically
relevant colon models. In Phase II, we will complete product development and testing in preparation for 510(k)
submission. There is a strong market pull from endoscopists and nurses due to high prevalence of ERIs.
Endoscopists and administrators expressed willingness to buy such a device based on specific use cases: (a)
ERI reduction to alleviate staffing/attrition challenges; (b) Productivity improvement that drives procedure
volume, revenue and profits; (c) Sedation elimination to reduce patien...

## Key facts

- **NIH application ID:** 10922027
- **Project number:** 1R43CA291526-01
- **Recipient organization:** ERGAMI ENDOSCOPY, INC.
- **Principal Investigator:** Hrishikesh Deo
- **Activity code:** R43 (R01, R21, SBIR, etc.)
- **Funding institute:** NIH
- **Fiscal year:** 2024
- **Award amount:** $399,789
- **Award type:** 1
- **Project period:** 2024-07-09 → 2026-06-30

## Primary source

NIH RePORTER: https://reporter.nih.gov/project-details/10922027

## Citation

> US National Institutes of Health, RePORTER application 10922027, Automated rapid colonoscope insertion device to reduce physician injury and improve productivity (1R43CA291526-01). Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/grant/nih/10922027. Licensed CC0.

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