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Integration of microsensor for microsurgery robot’s end-effector

HU Yida, LI Dazhai, YANG Yang, SUN Xuguang

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2, Pages 205-209 doi: 10.1007/s11465-007-0035-5

Abstract: To enhance the effect of robotic microsurgery, the microsensors are integrated on the robot s end-effectorThe experimental results show that the integration of microsensors for microsurgery robot s end-effector

Keywords： integration filtering structure suitable robotic microsurgery position microsensor

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Fertility outcome analysis after modified laparoscopic microsurgical tubal anastomosis

Jihui Ai, Pei Zhang, Lei Jin, Yufeng Li, Jing Yue, Ding Ma, Hanwang Zhang

Frontiers of Medicine 2011, Volume 5, Issue 3, Pages 310-314 doi: 10.1007/s11684-011-0152-8

Abstract:

Modified laparoscopic microsurgical tubal anastomosis is an alternative for microsurgical anastomosis via laparotomy to reverse sterilization in women with renewed child wish. The current study aims to evaluate the fertility outcome after modified laparoscopic microsurgical tubal anastomosis. A retrospective study was performed. Fifty-eight women who underwent modified laparoscopic microsurgical tubal anastomosis were monitored to investigate the fertility outcome and characteristics of this new technology. Of the 58 patients, the cumulative pregnancy rate (PR) in the 42 patients with follow-up data was 23.8% (10/42), 57.1% (24/42), 66.7% (28/42), and 73.8% (31/42) within 6, 12, 24, and 36 months after surgery, respectively. The intrauterine PR was 69.0% (29/42). Two patients (4.8%) had ectopic pregnancies that occurred within 24 months of surgery; three cases ended in spontaneous abortion. The delivery rate was 83.9% (26/31). The length of operating time was 1.2±0.3 h, with a range of 1.0–2.5 h (60–145 min), and the mean time was approximately 75 min. The blood loss was relatively small, between 10 and 50 ml with an average amount of 22 ml. Thus, the modified laparoscopic tubal anastomosis is a highly successful procedure and a viable alternative to open abdominal microsurgical approaches. Compared with the traditional laparoscopic tubal sterilization reversal, this modified approach has three advantages: (1) less invasive approach via a trocar reduction; (2) remodeling of tube is better performing tied together after 3–4 sutures; and (3) faster operating time.

Keywords： modified laparoscopy tubal anastomosis microsurgery