15%
Anastomotic leakage in lower rectum resection today
Closing the leakage gap.
A purpose-built, single-use instrument for low rectal cancer surgery — engineered to lower anastomotic leakage from 15% to 3% .
3%
Target leakage rate with the Avistal instrument
20 YRS
Of surgical insight and pre-clinical work behind the design
THE AVISTAL INSTRUMENT
A single-use device built for the lower rectum — where today's tools fall short.
Twenty years of animal and human trials shaped a final design that fits the anatomy of the low pelvis, supports a reliable anastomosis, and gives surgeons a predictable result in the most demanding part of colorectal oncology.
WHY AVISTAL
Engineered around the surgeon, the patient, and the OR economy.
Lower leakage
Target 3% anastomotic leakage versus today's 15% in low rectum cases.
Anatomy-first
Geometry designed specifically for the narrow lower pelvis.
Single-use safety
Eliminates reprocessing variability between procedures.
OR efficiency
Predictable handling shortens the critical steps of the anastomosis.
An instrument built for the rectum cancer surgery.
Two decades of animal and human trials shaped a final design that addresses the most failure-prone moment in colorectal cancer surgery.
Purpose-built where general instruments fail.
Conventional staplers and clamps were designed for the abdomen, not the narrow confines of the low pelvis. The Avistal device is shaped around the surgical field — improving tissue handling at the precise step where leakage occurs.
Four predictable steps in the most unpredictable part of the operation.
Access
Designed to reach the deep pelvis without compromising visibility or control.
Align
Anatomy-matched geometry stabilises tissue at the anastomotic site.
Secure
Engineered to deliver a reproducible, low-tension anastomosis.
Withdraw
Single-use removal leaves nothing to reprocess between patients.
Built on twenty years of trials.
20+
1
5x
Surgical insight. Founder grit.
Two decades of animal and human trials shaped a final design that addresses the most failure-prone moment in colorectal surgery.
Engineered around the surgeon, the patient, and the OR economy.
Thomas Hellström
Leads business strategi, communication, organisation, engineering and product development.
Anders Wallenås
FOUNDER
Drives company strategy, fundraising and commercial partnerships across the Nordics.
Lotta Ljunberg
QA/REGULATORY
Leads quality assurance, regulatory compliance, and continuous improvement initiatives, bringing extensive MedTech industry experience across quality systems, audits, and product lifecycle management.
Surgical Experts
CLINICAL ADVISORY
A network of experienced surgeons providing clinical insight and validating device requirements from the operating theatre.
Based in Sweden. Building for surgeons worldwide.
Avistal Nordic AB is headquartered in Sweden and works with clinical partners across the Nordics to validate every iteration of the device against real operating-room demands.
Let´s talk.
Investors, clinical partners, and press are welcome. We respond personally.