Minimally Invasive Therapy & Allied Technologies最新文献

{"title":"Patient-centered outcomes after vNOTES and laparoscopic gynecological surgery: a comparative analysis of sexual function, quality of life, and self-esteem.","authors":"Serhat Usta, Arzu Bilge Tekin, Murat Yassa, Dogus Budak, Memis Ali Mutlu, Sevim Seda Gulkurusu, Niyazi Tug","doi":"10.1080/13645706.2026.2686989","DOIUrl":"https://doi.org/10.1080/13645706.2026.2686989","url":null,"abstract":"<p><strong>Background: </strong>This study aimed to investigate and compare the postoperative effects of vaginal natural orifice transluminal endoscopic surgery (vNOTES) and conventional laparoscopy on patients' sexual function, quality of life, and self-esteem for benign indications.</p><p><strong>Methods: </strong>Data from patients who underwent hysterectomies and tubal surgeries using either vNOTES or conventional laparoscopy between January 2022 and August 2023 were analyzed and compared. The primary outcomes were sexual function, quality of life, and self-esteem, assessed both preoperatively and at 3 months post-surgery. Other outcomes of interest, such as surgical success, duration of surgery, complication rates, and postoperative pain, were also included.</p><p><strong>Results: </strong>Among the women included in the study, 105 (34.8%) underwent total laparoscopic hysterectomy (TLH), 63 (20.9%) underwent vNOTES hysterectomy (VH), 53 (17.5%) underwent laparoscopic tubal surgery (LTS), and 81 (26.8%) underwent vNOTES tubal surgery (VTS). Postoperative Short Form-12 (SF-12) Physical Component Summary (PCS) scores improved significantly in the hysterectomy groups (TLH: 41.16 ± 4.85; VH: 39.68 ± 4.73; <i>p</i> = 0.001). Similarly, Mental Component Summary (MCS) scores also improved postoperatively (TLH: 42.54 ± 5.05; VH: 39.68 ± 4.26; <i>p</i> = 0.001). In the tubal surgery groups, postoperative PCS scores were 42.87 ± 3.38 for LTS and 41.6 ± 3.25 for VTS, with significant improvements observed in both LTS (<i>p</i> = 0.033) and VTS (<i>p</i> = 0.002). However, postoperative MCS changes were not statistically significant for either LTS (<i>p</i> = 0.808) or VTS (<i>p</i> = 0.072). Postoperative Female Sexual Function Index (FSFI) scores increased significantly in both hysterectomy groups (TLH: 20.73 ± 6.26; VH: 21.52 ± 5.23; <i>p</i> = 0.001). Preoperative FSFI scores were similar between the LTS (23.67 ± 6.88) and VTS (23.75 ± 3.26) groups (<i>p</i> = 0.741). Postoperatively, mean FSFI scores increased to 26.98 ± 5.35 in the LTS group and 29.95 ± 4.31 in the VTS group, demonstrating significant improvement (<i>p</i> = 0.001). On the Rosenberg Self-Esteem Scale, only the VH group showed a significant postoperative improvement (<i>p</i> = 0.001).</p><p><strong>Conclusions: </strong>The vNOTES procedures yielded results comparable to those of the control group while demonstrating notable improvements in patient-centered outcomes, including sexual function, quality of life, and self-esteem, alongside favorable perioperative surgical outcomes.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"1-9"},"PeriodicalIF":1.8,"publicationDate":"2026-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148295612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"First evaluation of augmented and mixed reality in open liver surgery.","authors":"Wolfram Lamadé, Philipp C B Munk, Marcus Ritter, Jonas Apitzsch, Uta Meyding-Lamadé","doi":"10.1080/13645706.2026.2672446","DOIUrl":"https://doi.org/10.1080/13645706.2026.2672446","url":null,"abstract":"<p><strong>Background: </strong>This study aimed to evaluate the clinical feasibility, usability, and cognitive workload of a certified mixed reality (MXR) platform for preoperative planning and intraoperative navigation in liver surgery. Curative treatment of liver tumors requires precise comprehension of spatial relationships between tumors and vascular structures to achieve complete resection or ablation. Traditional two-dimensional imaging demands cognitive reconstruction of anatomy, posing challenges even for experienced surgeons. MXR technologies, such as Microsoft HoloLens 2 combined with HoloCare Studio^™, enable immersive and interactive visualization that may improve spatial orientation, reduce cognitive load and support intraoperative decision-making.</p><p><strong>Methods: </strong>Routine quality assurance data from five male patients (mean age 61 years; range 44-80), collected during the clinical introduction of a CE-certified MXR device, undergoing open liver resection for hepatic malignancies were retrospectively evaluated. Patient-specific imaging, including three-phase computed tomography (CT) and, in one case, magnetic resonance imaging (MRI), was processed using HoloCare Studio^™ (HoloCare Oslo) to create interactive 3D holograms of liver parenchyma, tumors, and vascular structures. These holograms were employed for both preoperative planning and intraoperative navigation through the HoloLens 2 headset. Cognitive workload was assessed using the NASA Task Load Index (NASA-TLX) and usability was measured using the System Usability Scale (SUS).</p><p><strong>Results: </strong>The HoloCare^™ MXR system was seamlessly integrated into all five cases and improved tumor localization and understanding of vascular anatomy. Average NASA-TLX scores were 13.8 preoperatively and 14.7 intraoperatively, indicating low cognitive workload. Mean SUS scores were 96.0 preoperatively and 95.5 postoperatively, reflecting excellent usability.</p><p><strong>Conclusion: </strong>MXR integration into open hepatic surgery is feasible, fast, imposes minimal cognitive workload, and is well accepted. These findings support further evaluation of MXR as a valuable adjunct in hepatobiliary surgery.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"1-11"},"PeriodicalIF":2.0,"publicationDate":"2026-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148211795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A pilot investigation of robot-assisted total hysterectomy using the Toumai^® Laparoscopic Surgical Robot System.","authors":"Pietro Pasquini, Enrico Pazzaglia, Emily Jamaer, Koen Traen, Evelyn Despierre, Diego Raimondo, Anna Myriam Perrone, Renato Seracchioli, Pierandrea De Iaco, Alexandre Mottrie","doi":"10.1080/13645706.2026.2643794","DOIUrl":"10.1080/13645706.2026.2643794","url":null,"abstract":"<p><strong>Background: </strong>The objective of this study was to evaluate the technical feasibility, perioperative safety, and surgical workflow of the Toumai^® Laparoscopic Surgical Robot System in gynecology by reporting the first Robot-Assisted Total Hysterectomy (RATH) using this platform in Europe.</p><p><strong>Methods: </strong>A total hysterectomy with bilateral salpingo-oophorectomy was performed on a patient with recurrent HPV-related CIN 3 at AZORG Hospital (Aalst, Belgium) in May 2025. The procedure was conducted by a surgeon with > 200 prior robotic hysterectomies. All surgical team members underwent formal system training. Preoperative, intraoperative, and postoperative data were collected, including operative times, complications, estimated blood loss, and hospital stay. The setup, port placement, and docking process were detailed to serve as a reference for future users.</p><p><strong>Results: </strong>The procedure was completed without intraoperative complications, conversions, or need for additional ports. Total operative time was 70 min: 6 min for port placement, 9 min for docking, 46 min of console time, and 9 min for closure. Estimated blood loss was 30 mL The patient was discharged on postoperative day one, and follow-up at 14 days was unremarkable. The surgical setup provided adequate ergonomics and workflow efficiency, with all robotic arms functioning without issue. Instrumentation was comparable to existing platforms.</p><p><strong>Conclusion: </strong>In this first European experience, Toumai^® enabled a safe and efficient multi-port RATH with 70 min' total time and 30 mL blood loss, without complications or conversion. These feasibility data warrant a prospective series to assess reproducibility, learning curve, and cost-effectiveness.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"203-209"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147444392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The LeakChecker: quantitative air leakage assessment in laparoscopic intestinal anastomosis training.","authors":"A Masie Rahimi, Eline Cox, Sem Hardon, H Jaap Bonjer, Freek Daams, Tim Horeman","doi":"10.1080/13645706.2026.2636109","DOIUrl":"10.1080/13645706.2026.2636109","url":null,"abstract":"<p><strong>Background: </strong>Performing an intestinal anastomosis is a challenging part of laparoscopic surgery, and ensuring adequate closure is essential to prevent anastomotic leakage. The aim of this study was to develop an objective method for quantitative assessment of laparoscopic intestinal anastomosis during simulation training.</p><p><strong>Methods: </strong>A modular intraluminal air leakage device, the LeakChecker, was designed and validated by comparing laparoscopic intestinal anastomoses performed by laparoscopic novices and experts. The MaxForce, MeanNon-zero force, PathLength and DepthPerception parameters from the Lapron box-trainer vs MaxPressure and PressureArea from the LeakChecker were used for comparison.</p><p><strong>Results: </strong>A functional prototype was built and the data of 10 laparoscopic novices and seven experts were included. Anastomoses made by the experts tolerated a higher MaxPressure (3,10(2,51-7,24)kPa vs 0,98(0,81-1,35)kPa; p=0.010) and showed a higher pressureArea (24,89(16,13-100,04)kPa*t vs 5,99(4,78-9,23)kPa*t; p=0.032). The Lapron box trainer data showed significant differences between the experts and novices for almost all including force and motion parameters.</p><p><strong>Conclusion: </strong>The LeakChecker can quantify anastomotic leakage during training as it objectively distinguishes between novices and experts. Implementing this kind of smart training task in a training program with objective skill assessment would inform participants of both their instrument handing skills and the quality of their execution.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"175-184"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147276602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Recurrence and related factors associated with uterine leiomyoma following laparoscopic myomectomy: a meta-analysis.","authors":"Jun Zhao, Lei Zhang, Huan Zhao, Xiaolin Ma","doi":"10.1080/13645706.2026.2643432","DOIUrl":"10.1080/13645706.2026.2643432","url":null,"abstract":"<p><strong>Background: </strong>There is still no clear consensus on long-term follow-up data for uterine leiomyoma (UL) recurrence and the major risk factors for recurrence after UL resection. This study aimed to investigate UL recurrence and related factors after laparoscopic myomectomy (LM).</p><p><strong>Methods: </strong>The local and international literature on UL recurrence rates and related factors after LM was systematically collected, with the search period up to December 31st, 2024. Stata 16.0 software was used for meta-analysis. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were calculated using a random-effects model with the Hartung-Knapp-Sidik-Jonkman adjustment, regardless of the I²value.</p><p><strong>Results: </strong>A total of eight studies were included, and 2,160 patients receiving LM were followed up for more than 12 months. The total number of recurrence cases was 497, and the crude recurrence rate was 23.0%. The meta-analysis results indicated that preoperative UL size ≥ 10 cm (OR = 2.15, <i>p</i> < 0.001), uterine size >10 or 14 weeks (OR = 2.40, <i>p</i> = 0.001), and preoperative UL number ≥2 (OR = 2.46, <i>p</i> < 0.001) were risk factors for UL recurrence after LM. There was no statistically significant association between age ≥35 years, BMI ≥ 24 or 25 kg/m², postoperative delivery or pregnancy, and post-LM UL recurrence.</p><p><strong>Conclusions: </strong>In this study, the risk factors for UL recurrence after LM were obtained through meta-analysis, which is more stable and reliable than the results of a single study and can provide a reference and basis for clinically identifying the risk factors related to LM recurrence after surgery, fully evaluating the risk of recurrence before surgery and predicting high-risk groups.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"210-220"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147474286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Targeting nerve safety: an innovative era in minimally invasive sciatic and sacral surgery with real-time neuromonitoring for sensorimotor protection and foot drop prevention.","authors":"Ahmet Kale, Ebru Kale, Elif Beyza Güneş, Elif Begüm Kale, Taner Usta, Sıla Kale, Engin Oral, Fatma Nur Tüysüzoğlu","doi":"10.1080/13645706.2026.2619603","DOIUrl":"10.1080/13645706.2026.2619603","url":null,"abstract":"<p><strong>Background: </strong>This study assesses a novel laparoscopic decompression technique supported by real-time multimodal neuromonitoring to improve surgical safety in sciatic and sacral nerve entrapments and to prevent motor deficits such as foot drop. The approach aims to address suspected neurovascular conflicts along the pelvic sidewall and sacral plexus.</p><p><strong>Methods: </strong>A prospective observational study was performed between June 2023 and April 2024. Ten female patients with chronic pelvic neuropathic pain (including sciatica, pudendal neuralgia, and/or dyspareunia) unresponsive to at least one year of conservative treatment underwent laparoscopic nerve exploration and decompression of suspected pelvic nerve entrapments. Multimodal neuromonitoring involved transcranial motor evoked potentials (TcMEP), somatosensory evoked potentials (SEP), bulbocavernosus reflex (BCR), free-run EMG, and triggered EMG. Changes in neuromonitoring were recorded and correlated with postoperative neurological examinations and pain outcomes over a period of up to 12 months.</p><p><strong>Results: </strong>Neurovascular conflict was identified in seven out of 10 patients (70%). After decompression, TcMEP amplitudes improved, BCR responses increased, and SEP signals remained stable, supporting the preservation of sensory pathways. No patient experienced new postoperative neurological deficits. Pain scores decreased significantly, and improvements were maintained throughout follow-up, with meaningful gains in daily functioning and a reduction in neuropathic symptom burden.</p><p><strong>Conclusions: </strong>Laparoscopic nerve decompression assisted by real-time multimodal neuromonitoring appears feasible and safe for selected patients with refractory pelvic neuropathic pain. In this preliminary series, neuromonitoring provided actionable intraoperative feedback that may help optimise the extent of decompression while minimising the risk of motor impairment. These data support further multicentre evaluation to confirm efficacy, refine indications, and standardise monitoring-guided algorithms.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"221-231"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146041001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"From minimal access to intelligent intervention: retracing the history of MITAT.","authors":"Alberto Arezzo","doi":"10.1080/13645706.2026.2658062","DOIUrl":"10.1080/13645706.2026.2658062","url":null,"abstract":"","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"163-165"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147729551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preoperative planning combining 3D reconstruction and body-surface meshing for percutaneous endoscopic lumbar discectomy in far lateral lumbar disk herniation.","authors":"Liang Jiao, Shuang Wang, Xiao Yang, Jun-Xiong Ma, Liang Zheng, Hong Wang, Liang-Bi Xiang, Hai-Long Yu, Yu Chen","doi":"10.1080/13645706.2025.2605635","DOIUrl":"10.1080/13645706.2025.2605635","url":null,"abstract":"<p><strong>Background: </strong>Percutaneous endoscopic lumbar discectomy (PELD) is effective for far lateral lumbar disk herniation (FLLDH), requiring precise puncture. This study assessed 3D reconstruction combined with body-surface meshing for preoperative planning.</p><p><strong>Methods: </strong>This prospective randomized controlled trial enrolled 53 FLLDH patients (L4-5/L5-S1) from 2023 to 2024, who were randomized to Group A (<i>n</i> = 29; CT-based 3D-planning with surface grids) or Group B (<i>n</i> = 24; conventional X-ray planning). Outcomes included puncture time, operative time, fluoroscopy frequency, and Oswestry Dysfunction Index (ODI).</p><p><strong>Results: </strong>Baseline data were comparable (<i>p</i> > .05). Group A showed shorter puncture time (7.7 ± 2.1 min, 95% CI: 6.9-8.5 vs. 10.5 ± 3.8 min, 95% CI: 9.0-12.0), reduced operative time (48.7 ± 7.2 min, 95% CI: 46.2-51.2 vs. 55.2 ± 10.3 min, 95% CI: 51.0-59.4), and fewer fluoroscopy exposures (5.1 ± 1.9, 95% CI: 4.4-5.8 vs. 14.8 ± 3.9, 95% CI: 13.3-16.3; all <i>p</i> < .05). Both groups had improved ODI/VAS postoperatively (<i>p</i> < .05), with no intergroup clinical difference (<i>p</i> > .05).</p><p><strong>Conclusions: </strong>3D reconstruction enhances puncture precision and reduces intraoperative fluoroscopy reduction in FLLDH-PELD, with clinical outcomes comparable to those of conventional methods.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"232-242"},"PeriodicalIF":2.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145800583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact and costs of 3D virtual models in minimally invasive partial nephrectomy: a propensity score-matched analysis.","authors":"Marco Oderda, Federico Lavagno, Marco Allasia, Glauco Bertello, Simona Ingrassano, Carlotta Mangione, Olivia Smyk, Alberto Vignola, Francesco Soria, Paolo Gontero","doi":"10.1080/13645706.2026.2651328","DOIUrl":"10.1080/13645706.2026.2651328","url":null,"abstract":"<p><strong>Background: </strong>Three-dimensional (3D) virtual models are increasingly used to support minimally invasive partial nephrectomy (PN), but their clinical value remains uncertain. We assessed whether 3D guidance improves perioperative, oncological, and early functional outcomes and evaluated its cost.</p><p><strong>Methods: </strong>We retrospectively analyzed 159 patients who underwent laparoscopic or robot-assisted PN between 2022 and 2024. Propensity score matching generated two comparable groups (35 patients each) treated with or without 3D virtual model guidance, according to age, PADUA score, and surgical approach. Perioperative, pathological, early oncological, and early functional outcomes were compared using non-parametric tests.</p><p><strong>Results: </strong>Although matching improved comparability, some residual imbalance remained. The 3D group had longer operative times (median 200 vs 170 min; p=0.008). No significant differences were found in clamping strategy, warm ischemia time, estimated blood loss, hospital stay, pathological stage, surgical margins, postoperative complications, or early recurrence. Changes in haemoglobin, serum creatinine, and estimated glomerular filtration rate from baseline to discharge were similar between groups. Each 3D virtual model cost €800.</p><p><strong>Conclusions: </strong>In this propensity score-matched cohort, 3D virtual model guidance during minimally invasive PN was associated with longer operative time, added cost, and no measurable benefit in perioperative, oncological, or early functional outcomes.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"185-191"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147817201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Safety and effectiveness of a piezoelectric ultrasonic bone cutter for cervical corpectomy: a pilot study in rabbits.","authors":"Mosharraf Hossain, Tamima Sultana, Je Hoon Jeong, Byong-Taek Lee, Soobin Im","doi":"10.1080/13645706.2026.2650191","DOIUrl":"10.1080/13645706.2026.2650191","url":null,"abstract":"<p><strong>Background: </strong>Piezosurgery has emerged as an innovative technique with minimal soft tissue injury, making it useful for complex spinal procedures. However, its efficacy in small-animal spinal surgery needs further evaluation. This study assessed the safety and effectiveness of a piezoelectric ultrasonic bone cutter (PUBC) in a rabbit vertebral defect model.</p><p><strong>Methods: </strong>Twenty New Zealand white rabbits were assigned to two groups: one undergoing surgery with a traditional rotary drill (TRD) and the other with a PUBC device. Cervical corpectomy defects were created using the respective osteotomy tools, and intraoperative and postoperative complications were carefully monitored.</p><p><strong>Results: </strong>Three rabbits (3/10, 30%) in the TRD group experienced both intraoperative and postoperative complications, whereas no complications were observed in the PUBC group. Compared to the TRD, the PUBC device minimized bleeding and effectively protected surrounding soft tissue structures from damage. Additionally, the PUBC produced more uniform and precise bone defects, potentially facilitating proper bone graft implantation. However, micro-computed tomography and histological analysis revealed no significant differences in bone healing between the devices.</p><p><strong>Conclusions: </strong>This study suggests that the PUBC is a safe and effective tool for spinal surgery in small animal models, and can be used as an alternative approach to the TRD device.</p>","PeriodicalId":18537,"journal":{"name":"Minimally Invasive Therapy & Allied Technologies","volume":" ","pages":"192-202"},"PeriodicalIF":1.8,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147639127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}