Cone Beam Tomosynthesis Fluoroscopy for Image Guided Interventions
用于图像引导干预的锥束断层合成透视
基本信息
- 批准号:9346409
- 负责人:
- 金额:$ 22.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2017
- 资助国家:美国
- 起止时间:2017-09-21 至 2020-01-31
- 项目状态:已结题
- 来源:
- 关键词:AcademiaAccreditationAddressAdoptionAlgorithmsAnatomyAwardBlood VesselsCadaverCancerousCardiovascular Surgical ProceduresClinicalComputer softwareConeDatabasesDevelopmentDiagnostic radiologic examinationDoseEuclidean SpaceFluoroscopyFoundationsFundingHealth Care CostsHealth PersonnelHealthcareHumanImageImageryImplantIndustryInferiorInterventionInterventional radiologyLeadMeasuresMedicalMedical ImagingObesityOperative Surgical ProceduresOrthopedicsPatient CarePatientsPerformancePhasePhysicsPositioning AttributePostoperative ComplicationsPostoperative PeriodProceduresPublic HealthQuality of CareRadiationRecoveryRepeat SurgeryResearchResolutionRiskRoentgen RaysScienceSmall Business Innovation Research GrantSpecimenSpinal FusionSpine surgerySurgeonSystemTechnologyTestingThinnessThree-Dimensional ImageThree-Dimensional ImagingTimeUniversitiesUpdateUtahVertebral columnWorkarmbaseboneclinical applicationclinically relevantcone-beam computed tomographycostdigitalexperienceimage guidedimage guided interventionimage reconstructionimaging systemimprovedinnovationinstrumentationmemberminimally invasivenext generationoncologyoperationpatient safetyprototypequantitative imagingreconstructionsimulationtomosynthesistooltumor
项目摘要
PROJECT_SUMMARY_ABSTRACT_nView_medical
Surgical inaccuracies impact patient safety and increase healthcare costs. Spinal fusions are a prime example:
with 500,000 procedures per year in the US it is the sixth most frequent procedure and reoperation rates are
13%. There are an estimated 22,000 revision surgeries due to misplaced screws that could be avoided if
intraoperative 3D guidance was standard. The total cost of the revision surgeries due to misplaced screws in
the US exceeds $600M per year and could largely be reduced. nView medical is developing the next
generation image guidance technology that will lead to more accurate, lower cost, and safer Image Guided
Interventions (IGI). nView’s innovation provides 3D images in realtime, navigation capability, and lowdose
operation. nView will focus first on spine surgery as strong benefits from 3D image guidance have already
been established, but the proposed platform technology applies broadly to most interventional radiology and
surgical applications, such as oncology and vascular minimally invasive interventions, as well as spine,
orthopaedics and cardiovascular surgeries.
In Phase I, this research will provide objective physics image quality metrics for its scanner to establish a
baseline versus alternative technologies. This research will then prove the clinical value of the proposed
guidance system, first by demonstrating that the realtime 3D updates lead to accurate visualization and
tracking of surgical instrumentation making the scanner valuable intraoperatively and second, to prove the
clinical value in simulated surgeries, showing that accuracy can be improved and surgical time reduced versus
state of the art alternatives. Positive preliminary results based on user observer tests support that nView’s
image guidance system leads to higher accuracy at lower dose than alternative solutions. Phase II will expand
the clinical applicability of the innovation and confirm the benefits of increased accuracy, decreased surgical
time and reduced xray exposure in actual Image Guided Interventions. The nView team members, with
background from both industry (GE Healthcare, Carestream) and academia (University Of Utah, UC Davis),
have deep experience in medical imaging, xray image reconstruction and surgical navigation.
PROJECT_SUMMARY_ABSTRACT_nView_medical
手术不准确会影响患者安全并增加医疗费用。脊柱融合术就是一个典型的例子:
美国每年进行 500,000 例手术,其频率和再手术率排名第六。
13% 估计有 22,000 例因螺钉错位而进行的翻修手术是可以避免的。
术中 3D 引导是标准的。由于螺钉错位而导致的翻修手术的总费用。
美国每年超过 6 亿美元,nView Medical 正在开发的下一个产品可能会大幅减少。
新一代图像引导技术,将带来更准确、更低成本、更安全的图像引导
nView 的创新技术提供实时 3D 图像、导航功能和低剂量。
nView 将首先专注于脊柱手术,因为 3D 图像引导已经带来了巨大的优势。
已经建立,但所提出的平台技术广泛适用于大多数介入放射学和
外科应用,例如肿瘤学和血管微创干预以及脊柱,
骨科和心血管外科。
在第一阶段,这项研究将为扫描仪提供客观的物理图像质量指标,以建立一个
然后,这项研究将证明所提出的临床价值。
引导系统,首先通过演示实时 3D 更新带来准确的可视化和
跟踪手术器械,使扫描仪在术中发挥重要作用,其次,可以证明
模拟手术的临床价值,表明与传统手术相比,可以提高准确性并缩短手术时间
基于用户观察者测试的积极初步结果支持 nView 的替代方案。
与第二阶段将扩展的替代解决方案相比,图像引导系统可以以更低的剂量实现更高的精度。
创新的临床适用性并确认了提高准确性、减少手术的好处
nView 团队成员在实际图像引导干预中缩短了时间并减少了 X 射线曝光。
来自行业(GE Healthcare、Carestream)和学术界(犹他大学、加州大学戴维斯分校)的背景,
在医学成像、X射线图像重建和手术导航方面拥有丰富的经验。
项目成果
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