Comparison of the VetGate and SurgiGATE 1.0 computer assisted surgery systems for insertion of cortex screws&#x0D;across the distal phalanx in horses – an in vitro study

Schwarz, Cornelia S; Rudolph, Tobias; Kowal, Jens; Auer, Jörg A

doi:10.21836/pem20170202

Cited by 5 publications

(2 citation statements)

References 13 publications

(25 reference statements)

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“…Further studies on that aspect are needed. Possible reasons for the significantly better outcome in this study compared to Gygax et al (2006) were discussed in Schwarz et al (2017).…”

Section: Discussionmentioning

confidence: 82%

Introduction of 3.5mm and 4.5mm cortex screws into the equine distal sesamoid bone with the help of the VetGate Computer Assisted Surgery Systems and comparison of the results with the previously reported ones, acquired with the SurgiGATE 1.0 System – an in vitro study

Schwarz¹,

Rudolph²,

Kowal³

et al. 2017

PHK

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“…Further studies on that aspect are needed. Possible reasons for the significantly better outcome in this study compared to Gygax et al (2006) were discussed in Schwarz et al (2017).…”

Section: Discussionmentioning

confidence: 82%

Introduction of 3.5mm and 4.5mm cortex screws into the equine distal sesamoid bone with the help of the VetGate Computer Assisted Surgery Systems and comparison of the results with the previously reported ones, acquired with the SurgiGATE 1.0 System – an in vitro study

Schwarz¹,

Rudolph²,

Kowal³

et al. 2017

PHK

Self Cite

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“…Computer‐assisted orthopedic surgery (CAOS) considerably enhances the precision of screw insertion compared with conventional intraoperative 2D and 3D image‐guided techniques with or without the additional help of aiming devices 1‐3,10,11 . The required equipment for CAOS is becoming increasingly available in veterinary referral centers and is used for surgical interventions that demand extreme precision such as total knee replacements 12 in dogs and cortex screw placement for the repair of distal phalangeal 1,3,13,14 and sesamoid bone 2,15 fractures in horses.…”

Section: Introductionmentioning

confidence: 99%

Influence of a purpose‐built frame on the accuracy of computer‐assisted orthopedic surgery of equine extremities

2020

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Objective: To determine the influence of a purpose-built frame on the accuracy of screw placement during computer-assisted orthopedic surgery (CAOS) of the equine extremity. Study design: Experimental cadaveric study. Sample population: Twenty-four paired equine cadaveric limbs obtained from seven horses. Methods: Three 4.5-mm cortex screws were inserted in lag technique in three different planes of orientation in the proximal phalanx (P1) by means of CAOS. In the study group (n = 12 limbs), the tracker was anchored on a purpose-built frame designed to stabilize the extremity. In the control group (n = 12 limbs), a conventional tracker array was used that was anchored directly on P1. The stability of both tracker arrays was assessed during the procedure by using fiducial markers. After screw placement, preoperative and postoperative computed tomographic images were assessed to measure surgical accuracy aberrations (SAA) between the planned and achieved screw position. Descriptive statistics and repeated-measures analysis of variance were performed to compare SAA measurements between the study and control group. Results: Both tracker arrays remained consistently stable in all specimens. Mean overall SAA of screw insertion were lower in the study group (0.7 mm; median, 0.5; range 0-3.4) than in the control group (1.2 mm; median, 0.9; range, 0-4.2 mm). Conclusion: The mean SAA achieved in cortex screw placement using CAOS lies within the range of approximately 1 mm. The use of a purpose-built frame avoided additional drilling of the target bone and improved surgical accuracy compared with the conventional tracker array. Clinical significance: The purpose-built frame described in this report can be used to facilitate CAOS in equine orthopedics without compromising surgical accuracy. 1 | INTRODUCTION Numerous indications in equine orthopedic surgery demand the highest possible precision in cortex screw placement, leaving little room for error. Preoperative and intraoperative three-dimensional (3D) image guidance help increase the accuracy of cortex screw placement and set new standards in precision. 1-6 In addition, aiming

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Minimally Invasive Surgical Techniques

Martens¹,

Pader²,

Prange³

et al. 2019

Equine Surgery

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Comparison of the VetGate and SurgiGATE 1.0 computer assisted surgery systems for insertion of cortex screws across the distal phalanx in horses – an in vitro study

Cited by 5 publications

References 13 publications

Introduction of 3.5mm and 4.5mm cortex screws into the equine distal sesamoid bone with the help of the VetGate Computer Assisted Surgery Systems and comparison of the results with the previously reported ones, acquired with the SurgiGATE 1.0 System – an in vitro study

Introduction of 3.5mm and 4.5mm cortex screws into the equine distal sesamoid bone with the help of the VetGate Computer Assisted Surgery Systems and comparison of the results with the previously reported ones, acquired with the SurgiGATE 1.0 System – an in vitro study

Influence of a purpose‐built frame on the accuracy of computer‐assisted orthopedic surgery of equine extremities

Minimally Invasive Surgical Techniques

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