Haptic-feedback robotics in transcervical fetal endoscopy: reducing uterine irritability and the risk of preterm labor

To the Editor, Infants are born preterm at less than 37 weeks’ gestational age. Recently, the rate of preterm birth has increased in many places. Common reasons for indicated preterm births include pre-eclampsia or eclampsia and intrauterine growth restriction. Births that follow spontaneous preterm labor and preterm prelabor rupture of membranes are regarded as a syndrome resulting from multiple causes, including infection or inflammation[1]. The incidence of preterm labor in women with uterine irritability is not as frequent as in patients with other high-risk factors. However, preterm labor appears to occur in patients with uterine irritability at a rate higher than that in the general obstetric population (18.7 vs. 11%). Because it seems that women with uterine irritability have more resistance to tocolytic therapy, this condition should prompt the physician to use more aggressive perinatal assessment[2]. Haptic-feedback robotics refers to automated surgical devices that provide haptic cues to the surgeon, designed to enhance precision during particular procedures. In minimally invasive surgery, including scope-based interventions, haptic feedback improves tactile awareness that is undetectable by surgical tools. Robotic systems equipped with haptic interfaces work by detecting contact pressures between the instrument tip and organ material and transforming them into kinesthetic or tactile cues at the surgeon’s control console[3]. Hypothetically, haptic-augmented robots could limit uterine irritability during transcervical fetal endoscopy by enabling careful force application, lessening myometrium excitation that triggers premature labor. The functional mechanism involves force/torque sensors on the instrument tip, relayed back to the operator console, allowing the surgeon to “feel” tissue resistance[4]. Studies on haptic-feedback robotics in minimally invasive surgery show improved accuracy and reduced injury[5]. In laparoscopic trials, surgeons using tactile-assisted control lowered tool pressure by 20–30%, reducing tissue trauma and collisions[3]. Although clinical evidence for transcervical fetal endoscopy is limited, comparable techniques may reduce myometrial contractions and the risk of premature delivery. Risk assessments were favorable, with no complications, and most cases showed enhanced postoperative outcomes. Generally, haptic guidance efficiently lowers surgical mistakes and tissue injury, supporting its future implementation in fetal surgery. The most significant barrier limiting the use of haptic robotics for fetal endoscopy is the financial toll it takes on resources. These systems present high costs for both initial installation and later maintenance[6]. In addition, the use of complex robotic interfaces can potentially delay intervention in case of an emergency. Miniaturized instruments are required for safe fetal access and for preventing preterm labor, which can lead to technical challenges. Furthermore, these long instruments can create friction and noise, interfering with the haptic cues the surgeon receives. These limitations make haptic robotics for fetal endoscopy and other surgical procedures a process that requires further development and finesse before it can be considered completely trustworthy[7]. The use of haptic-feedback robotics in transcervical fetal endoscopy is an important step toward low-risk surgeries for intrauterine pathologies. This system has the ability to significantly diminish the chance of myometrial hyperactivity and resulting preterm labor. The field must aim to guarantee the effective incorporation of this innovation. Extensive, collaborative randomized controlled trials are required immediately to precisely measure the findings. Upcoming research and development ought to focus on minimizing present haptic system barriers by refining force-feedback clarity, incorporating reliable tactile sensing, and miniaturizing instruments to limit trauma. Simulation training protocols with haptic feedback help us quickly and safely pass on surgical expertise. It is also important that these programs remain cost-effective. This letter to the editor adheres to the Transparency in the Reporting of Artificial Intelligence in Research (TITAN) guideline[8].