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Effectiveness of a Self-Made Tofu-Starch Phantom vs. a Commercial Blue Phantom in Ultrasound-Guided Puncture Training for Anesthesia Undergraduates: A Randomized Controlled Trial

Effectiveness of a Self-Made Tofu-Starch Phantom vs. a Commercial Blue Phantom in Ultrasound-Guided Puncture Training for Anesthesia Undergraduates: A Randomized Controlled Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600125217
Enrollment
Unknown
Registered
2026-05-22
Start date
2026-05-25
Completion date
Unknown
Last updated
2026-05-25

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

Conditions

Anesthesia undergraduate laboratory course

Interventions

tofu-starch phantom group one (Group T1, n = 36):Each group was further divided into six sub-groups of six students each. For Group T1, each subgroup was trained using one tofu-starch phantom, resulti
tofu-starch phantom group two (Group T2, n = 36):Each group was further divided into six sub-groups of six students each. The six subgroups in each group were trained on the same tofu-starch phantom
a commercial blue phantom group (Group B, n = 36):Each group was further divided into six sub-groups of six students each. the six subgroups in each group were trained on the same commercial blue phan

Sponsors

Affiliated Hospital of North Sichuan Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 28 Years

Inclusion criteria

Inclusion criteria: A fourth-year student majoring in anesthesiology at the North Sichuan Medical College; has not received any form of practical training in ultrasound-guided puncture procedures; voluntarily participated in this study and signed the informed consent form.

Exclusion criteria

Exclusion criteria: Those who have participated in the ultrasound-guided puncture simulation training; those who were unable to complete the entire training course for some reason; those who refused to sign the informed consent form.

Design outcomes

Primary

MeasureTime frame
The time required for puncture in-plane;The time required for puncture out-of-plane;Model Surface Integrity;Number of Needle Artifacts;

Secondary

MeasureTime frame
the degree of needle visualization during in-plane puncture ;questionnaire;

Countries

China

Contacts

Public ContactJiang Pingping

Affiliated Hospital of North Sichuan Medical University

307174907@qq.com+86 158 8149 6034

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 30, 2026