Clinical Accuracy of Patient-specific Implants in Genioplasty
The Application and Clinical Accuracy of Patient-specific Implants in Genioplasty
연구 개요
상세 설명
Chin plays an important role in the lower facial harmony and balance. With the advances in computer-aided surgical simulation (CASS) technology, surgeons are now able to simulate surgical procedures in the computer to achieve the best possible surgical plan. However, CAD/CAM surgical templates do not maximize the potential of CASS technique. Patient specific implants (PSI) has rapidly developed in cranio-maxillofacial surgery in the past few years. However, few studies have introduced PSI technique in osseous genioplasty. The purpose of this study is to assess the accuracy and clinical validation of patient specific implants (PSI) technique in genioplasty for positioning and fixation of the chin segment.
Anticipated 30 patients with chin deformities are enrolled. Virtual planning is performed with the computer-aided surgical simulation method. The 3D printing titanium cutting guide and patient specific plate is involved in this PSI method. The cutting guide is designed to guide the osteotomy and screw holes drilling for the following patient specific plate. And the patient specific plate is used to simultaneously complete the reposition and fixation of the chin. The outcome is evaluated by comparing the plan with actual outcomes.
연구 유형
등록 (예상)
단계
- 해당 없음
연락처 및 위치
연구 장소
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Shanghai, 중국
- 모병
- Ninth People's Hospital, Shanghai Jiaotong University School of Medicine
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연락하다:
- Biao Li, Master
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- patients who were scheduled to undergo genioplasty;
- patients who were scheduled to undergo CT scan as a part of their diagnosis and treatment;
- patients who agreed to participate in this study
Exclusion Criteria:
- craniofacial syndrome;
- segmental osseous genioplasty;
- previous osseous genioplasty;
- previous mandibular trauma;
- systemic disorders.
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 해당 없음
- 중재 모델: 단일 그룹 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
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실험적: PSI group
The patient specific implant (PSI) is used to completed the genioplasty.
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The patient specific implant is used to simultaneously complete the reposition and fixation of the chin.
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Positional differences of the chin between the plan and postoperative results
기간: 2 weeks after the operation
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The coordinates of the centroid of three land points on the chin segment was used to calculate the position differences between the plan and postoperative results in X, Y and Z axis.
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2 weeks after the operation
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Orientation differences of the chin between the plan and postoperative results
기간: 2 weeks after the operation
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The coordinates of three independent points were used to define the orientation of the chin in 3D space.
The orientation differences were calculated in pitch (the rotation around the X axis), roll (the rotation around the Y axis), and yaw (the rotation around the Z axis).
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2 weeks after the operation
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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time consuming
기간: 3 days after the operation
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time spending for the virtual planning and the design of the PSI
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3 days after the operation
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economic consuming
기간: 3 days after the operation
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economic cost of the fabrication of the patient specific implant
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3 days after the operation
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공동 작업자 및 조사자
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (예상)
연구 완료 (예상)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
기타 연구 ID 번호
- PSIcmfs03
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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