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Laparoscopes

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[Technical advancement in surgical treatment of portal hypertension].

Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology
Recently, there have been many developments and improvements in portal hypertension surgery, but there are still many controversies regarding the surgical indications, the timing of surgery, and the choice of surgical procedures. Minimally invasive l...

Adaptive Fusion-Based Autonomous Laparoscope Control for Semi-Autonomous Surgery.

Journal of medical systems
The purpose of this paper is to develop an autonomous tracking algorithm based on adaptive fusion kinematics method, the autonomous laparoscope control algorithm and adaptive fusion kinematics method are proposed for semi-autonomous surgery, focus on...

A novel compliant surgical robot: Preliminary design analysis.

Mathematical biosciences and engineering : MBE
A robotic surgical system capable of performing minimally invasive surgery (MIS) is proposed in this paper. Based on the requirements of MIS, a compliant, seven- degrees of freedom (7-DOF) pneumatically actuated mechanism is designed. A remote center...

Object extraction via deep learning-based marker-free tracking framework of surgical instruments for laparoscope-holder robots.

International journal of computer assisted radiology and surgery
PURPOSE: The surgical instrument tracking framework, especially the marker-free surgical instrument tracking framework, is the key to visual servoing which is applied to achieve active control for laparoscope-holder robots. This paper presented a mar...

Five thousand years of minimal access surgery: 3000BC to 1850: early instruments for viewing body cavities.

Journal of the Royal Society of Medicine
Surgeons and their patients recognise that one of the major advances in surgical technique over the last 20 years has been the growth of minimal access surgery by means of laparoscopic and robotic approaches. Partnerships with industry have facilitat...

Image-based laparoscopic camera steering versus conventional steering: a comparison study.

Journal of robotic surgery
In the last 2 decades, multiple robotic camera holders have been developed to improve camera steering during laparoscopic surgery. A new image-based steering method has been developed for more intuitive camera control. In this article, the efficiency...

Development of Surgical System Using Bellows-Type Foldable Five-Fingered Robot Hand Inserted through a 20-mm Port.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
The purpose of this study was to develop a robotic hand to assist with large organs, instead of using a surgeon, in laparoscopic surgery. Grasping, pinching, and exclusion were performed by three subjects with no medical knowledge. The results indica...

Development and validation of a deep-learning based assistance system for enhancing laparoscopic control level.

The international journal of medical robotics + computer assisted surgery : MRCAS
BACKGROUND AND AIMS: Inter-operator variations in the level of intraoperative laparoscope control by surgeons influence surgical outcomes. We aimed to construct a laparoscopic surgery quantification system (LSQS) for real-time evaluation of the surge...

Evaluation of the Efficiency of a Joystick-Guided Robotic Scope Holder Compared to That of Human Scopists: A Prospective Trial.

Surgical innovation
PURPOSE: This study aimed to compare motions of the laparoscope tip during a laparoscopic task in a training box using a recent joystick-guided robotic scope holder to those manipulated by human scopists. We hypothesized that laparoscopic manipulatio...

A generic scope actuation system for flexible endoscopes.

Surgical endoscopy
BACKGROUND: A scope actuation system assists a surgeon in steering a scope for navigating an operative field during an interventional or diagnostic procedure. Each system is tailored for a specific surgical procedure. The development of a generic sco...