Intrauterine Fetal Positioning Manipulator for Surgical Field Exposure
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Solution Overview
Problem
Existing fetal surgery technologies face challenges in avoiding damage to the uterus and placenta while maintaining the fetus in the amniotic fluid environment, leading to complications such as placental abruption, premature delivery, and uterine rupture, and struggle with limited fetal mobility and deviation of the surgical field.
Innovation Solution
A fetal intrauterine positioning and fixing manipulator system, comprising a wrist joint, fingers, and mechanical arms, allows for precise adjustment and fixation of the fetus's position using a surgical robot, enabling safe and accurate intrauterine surgery by clamping, holding, and adjusting the fetal position according to preoperative planning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a surgical robot performs minimally invasive fetal surgery through natural cavity or abdominal wall wound, then damage to mother uterus and placenta is avoided and fetus remains in amniotic fluid environment, but fetal mobility is limited and surgical field may deviate from established surgical access
Solution Approach 1:
The patent introduces a mechanical arm with manipulator as an intermediary device between the surgical robot and the fetus. The mechanical arm includes a wrist joint connected to the robot, and fingers that can clamp and hold the fetus. This intermediary mechanism enables precise fetal positioning and fixation while maintaining the benefits of minimally invasive surgery through natural orifices or small abdominal incisions.
2Reliability
If fetus is left to float freely in amniotic fluid, then natural fetal environment is maintained, but surgical field exposure is insufficient and surgical operation space cannot be built
Solution Approach 1:
The patent applies preliminary action by using the mechanical arm to clamp and hold the fetus in a predetermined position before performing the actual surgical operation. The wrist joint and fingers are positioned and adjusted in advance to secure the fetus, fully expose the surgical field, and build the necessary operating space. This preliminary positioning ensures that the surgical area is adequately exposed while the fetus remains in its natural amniotic fluid environment.
Data Source
AI summary
A fetal intrauterine positioning fixation device is configured for entering an amniotic cavity through a vaginal cervical fetal membrane access and/or abdominal wall uterine fetal membrane access to adjust and fix a fetal position in a maternal uterus. The fetal intrauterine positioning fixation device includes a manipulator, a mechanical arm and a surgical robot, the manipulator and mechanical arm can enter an amniotic cavity through a vaginal cervical fetal membrane channel or abdominal wall uterine fetal membrane channel, so that a doctor can control the manipulator and mechanical arm through the surgical robot or a handle to identify a fetus, adjust a fetal position and fix the fetus according to a preoperative planning, and monitor a fetal status in real time, expose a surgical treatment area, and create an operation space for implementing intrauterine fetal surgery.