ISO 13485 · IIT Madras · Patented Design
Precision
Instruments for
Microsurgery.
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Patented Innovation
The 3-Jaw
Microvascular Clamp
Traditional 2-jaw clamps allow vessel rotation under the microscope — a leading cause of anastomotic failure. Shira's patented 3-jaw design distributes clamping force uniformly around the vessel circumference, eliminating rotation and reducing thrombosis risk.
publications
using Shira
technology
Clinical Validation
Independently published in
peer-reviewed literature
Plastic & Reconstructive Surgery
2022Novel Microvascular Clamps to Aid Trainee Surgeon Education: Smarter Than Acland Micro Clamps?
AIIMS New Delhi & University of Rochester, USA
Key Findings
- 0% backwalling with 3-Jaw vs 30.8% with Acland
- 0% clamp flipping needed vs 38.5% with Acland
- Anastomosis time significantly shorter (p = 0.007)
- Lower need for surgical assistance (p < 0.001)
JPRAS
2022A novel, innovative clamp with vessel eversion feature for end-to-end microvascular anastomosis
AIIMS Jodhpur, India
Key Findings
- First clinical report of 3-jaw vessel eversion design
- Full posterior wall visibility with no clamp repositioning
- Directly addresses backwalling (21.7%) & incomplete bites (19.6%) — the two leading Acland failure modes
- Non-glare surface reduces operating microscope interference
JPRAS
2023 RCTEfficacy of novel three-jaw adventitia holding microclamps vs Acland microclamps in end-to-end microvascular anastomosis
AIIMS Jodhpur & Apollo CBCC, Ahmedabad
Key Findings (Randomized Controlled Trial)
- Artery & vein clamp/suture time significantly faster (p < 0.001)
- No clamp flipping required in any case
- Ease of use significantly higher (p < 0.001)
- Significantly less assistance needed (p < 0.001)
In Their Words
Surgeons on Shira
I have used Shira Clamps for more than 500 surgeries and they still perform up to the mark.
Recommended for all microsurgeons in the world.