• Use of image-guided robotic-as...

Treffer: Use of image-guided robotic-assisted drilling for transcondylar screw placement in the canine humerus.

Title:
Use of image-guided robotic-assisted drilling for transcondylar screw placement in the canine humerus.
Authors:
Kershaw JT; Department of Veterinary Medicine, University of Cambridge, Cambridge, UK., Larby DE; Department of Engineering, University of Cambridge, Cambridge, UK., Forni F; Department of Engineering, University of Cambridge, Cambridge, UK., Allen MJ; Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
Source:
Veterinary surgery : VS [Vet Surg] 2026 Jan; Vol. 55 (1), pp. 225-235. Date of Electronic Publication: 2025 Sep 05.
Publication Type:
Journal Article
Language:
English
Journal Info:
Publisher: John Wiley & Sons Country of Publication: United States NLM ID: 8113214 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1532-950X (Electronic) Linking ISSN: 01613499 NLM ISO Abbreviation: Vet Surg Subsets: MEDLINE
Imprint Name(s):
Publication: Malden, MA : John Wiley & Sons
Original Publication: Philadelphia : Lippincott.
MeSH Terms:
Bone Screws*/veterinary , Robotic Surgical Procedures*/veterinary , Robotic Surgical Procedures*/methods , Humerus*/surgery , Surgery, Computer-Assisted*/veterinary , Surgery, Computer-Assisted*/methods , Fracture Fixation, Internal*/veterinary , Fracture Fixation, Internal*/methods, Animals ; Dogs/surgery ; Tomography, X-Ray Computed/veterinary
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Grant Information:
Department of Clinical Veterinary Medicine, University of Cambridge; University of Cambridge Department of Engineering
Entry Date(s):
Date Created: 20250906 Date Completed: 20260116 Latest Revision: 20260118
Update Code:
20260118
PubMed Central ID:
PMC12810435
DOI:
10.1111/vsu.70010
PMID:
40913298
Database:
MEDLINE

Weitere Informationen

Objective: To determine if a novel robotic system has comparable positional and angular accuracy to that achievable with patient-specific guides (PSG) when used for transcondylar screw (TCS) placement in the canine humerus.
Study Design: Experimental laboratory study.
Sample Population: A total of 32 synthetic humeral models (16 per group).
Methods: Bone models were three-dimensional (3D)-printed and drilled with the aid of a custom PSG or with the assistance of an image-guided surgical robot. A 2.5-mm hole was drilled medial to lateral and the entry point, exit point and angular trajectory of the drill hole were measured on postoperative computed tomography (CT) scans. Absolute differences between planned and actual positions and trajectories were compared between PSG and Robot groups.
Results: None of the drill holes in this study violated the articular surface of the humerus. Entry point positioning was significantly more accurate in the PSG group, but drill hole trajectories (angulation) were more accurate in the Robot group. Exit point positioning was similar in the two groups.
Conclusion: Robotic assistance enables safe placement of drill holes for TCS. PSG enable more accurate drill entry, but robotic assistance allows for more accurate overall drill hole trajectory.
Clinical Significance: Robotic assistance allows for accurate and safe drilling of screw holes for TCS placement in the humerus. The robotic procedure allows for a more limited surgical exposure, but the technical feasibility and outcomes associated with this approach should now be evaluated in cadavers before moving to clinical evaluation in live patients.
(© 2025 The Author(s). Veterinary Surgery published by Wiley Periodicals LLC on behalf of American College of Veterinary Surgeons.)