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Research on the Biomechanical and Clinical Efficacy of 3D-Printed Vacuum Negative Pressure Suction Cups Based on Finite Element Analysis

Research on the Biomechanical and Clinical Efficacy of 3D-Printed Vacuum Negative Pressure Suction Cups Based on Finite Element Analysis

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600121880
Enrollment
Unknown
Registered
2026-04-07
Start date
2026-04-20
Completion date
Unknown
Last updated
2026-04-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pectus excavatum

Interventions

Observation group:None

Sponsors

The Third Affiliated Hospital of Guangzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
0.5 Years to 16 Years

Inclusion criteria

Inclusion criteria: 1.Meets the diagnostic criteria for pectus excavatum: According to the diagnostic criteria for pectus excavatum in the Chinese Expert Consensus on the Surgical Treatment of Pectus Excavatum, the HI index is between 2.5 and 3.5 inclusive; 2.The pectus excavatum deformity is obvious, with the funnel-shaped depression depth greater than 1cm; 3.Symptoms affect daily life (such as appearance, chest tightness); 4.Male or female individuals aged 0.5 to 16 years who have undergone vacuum negative pressure suction cup treatment for 1 year; 5.Previously untreated with other therapies; 6.The patient and their guardian voluntarily cooperate with this study or sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1.Suffering from bone diseases (such as osteogenesis imperfecta); 2.Suffering from bone diseases (such as osteogenesis imperfecta); 3.Suffering from vascular diseases (such as Marfan syndrome); 4.Suffering from coagulation dysfunction; 5.Suffering from a skin disease that hinders the use of braces; 6.Important follow-up information is incomplete; 7.Difficulty in communication and understanding, making it impossible to cooperate with the treatment.

Design outcomes

Primary

MeasureTime frame
Pectus excavatum depth;Pectus excavatum transverse diameter;Pectus excavatum longitudinal diameter;

Secondary

MeasureTime frame
Initial negative pressure value, daily usage time, daily usage frequency, average negative pressure value per use, complications and adverse reactions, and improvement in quality of life;

Countries

China

Contacts

Public ContactZhen Liu

The Third Affiliated Hospital of Guangzhou Medical University

lzym3798@163.com+86 20 8129 2183

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 17, 2026