Development of a surgical support and education system for laparoscopic surgery using intraoperative Holograms and gaze presentation function with Mixed-Reality technology

Development of a surgical support and education system for laparoscopic surgery using intraoperative Holograms and gaze presentation function with Mixed-Reality technology - Development of a surgical support and education system for laparoscopic surgery using intraoperative Holograms and gaze presentation function with Mixed-Reality technology

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000044346

Enrollment

Registered

2021-05-27

Start date

2020-04-02

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

cholecystitis, choleilithiasis

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients diagnosed with cholelithiasis or grade1 acute cholecystitis according to the Tokyo Guideline2018. Patients underwent four-port laparoscopic cholecystectomy. Body mass index less than 25 American Society of Anethesiologists preoperative status classification(ASA-PS)2 or less. No previous upper abdominal surgery. Positive results of the gallbladder,cystic duct and common bile duct on prepoperative drip infusion cholangiography with computed tomography(DIC-CT). No thickening of the gallbladder wall or enlargement of the gallbladder due to inflammation on preoperative imaging. Patients who gained written consent by the patient's free will with sufficient understanding after receiving sufficient explanation for participation of this study.

Exclusion criteria

Exclusion criteria: Patients underwent percutaneous transhepatic gallbladder drainage or percutaneous transhepatic gallbladder aspiration. Patients diagnosed with Mirizzi syndrome. Atrophic gallbladder. Patients diagnosed with choledocholithiasis or underwent endoscopic sphincterotomy. Patients with an allergy to contrast media.

Design outcomes

Primary

Measure	Time frame
Operation time,Blood loss,perioperative complication rate	—

Secondary

Measure	Time frame
Questionnaire and NASA Task Load Index for surgeons.	—

Countries

Japan

Contacts

Public ContactMichiko Kitagawa

Yotsuya medical Cube Minimally Invasive Surgery Center

m-kitagawa@mcube.jp03-3261-0401

Outcome results