نتایج جستجو برای: laparoscopic instruments
تعداد نتایج: 104529 فیلتر نتایج به سال:
Background The treatment of extraperitoneal cancer of the rectum (ERC) has been greatly improved by the advent of the technique of total mesorectal excision(TME) [1] and the combination of chemo-and radiotherapy in neoadjuvant treatment. Since the introduction of laparoscopic surgery in the early nineties, the improvements of both the surgical techniques of laparoscopic instruments have allowed...
Establishing image context is the major difficulty of performing laparoscopic ultrasound. The standard techniques used by transabdominal ultrasonographers to understand image orientation are difficult to apply with laparoscopic instruments. In this paper, we describe a navigation system that displays the position and orientation of laparoscopic ultrasound images to the operating surgeon in real...
BACKGROUND Laparoscopic approach for wound defects is a procedure that aims to reduce surgical aggressiveness against the abdominal wall by using minimal incisions and dedicated instruments. METHODS We report our experience about clinical outcome of elderly patients undergoing laparoscopic repair for incisional hernias (Group I) and primary inguinal hernias (Group II) from June 2007 to Septem...
With the advancement of laparoscopic instruments and computer sciences, complex surgical procedures are expected to be safely performed by robot assisted telemanipulative laparoscopic surgery. The da Vinci system (Intuitive Surgical, Mountain View, CA, USA) became available at the many surgical fields. The wrist like movements of the instrument's tip, as well as 3-dimensional vision, could be e...
Objectives: The objective of this study was to provide a cost comparison between laparoscopic surgery and open surgery from January 1996 to January 1998. The setting for this study was three private hospitals and one public hospital associated with the Sydney Women's Endosurgery Centre. Cost analysis was done using the costing provided by the private and public hospitals representing the total ...
The tracking of surgical instruments offers interesting possibilities for the development of high-level commands for robotic camera holders in laparoscopic surgery. We have developed a new method to detect instruments in laparoscopic images which uses information on the 3D position of the insertion point of an instrument into the abdominal cavity. This information strongly constrains the search...
BACKGROUND Recently, several transoral approaches for minimally invasive surgery have been developed for oropharyngeal cancer. However, all approaches have certain disadvantages. Therefore, we built and examined new surgical environments for improving the situation. METHODS Endoscopic transoral resection using a pharyngeal retractor or distending laryngoscope, rigid videoendoscope, and laparo...
BACKGROUND AND PURPOSE Laparoendoscopic single-site surgery (LESS) represents a novel approach to abdominal surgery. Several applications have already been described. Drawbacks include limited range of motion and need for articulated instruments. Robotic technology could overcome such technical difficulties. We report our experience with LESS radical prostatectomy (LESS-RP) in a cadaver and LES...
We describe the first case of single-port access total laparoscopic hysterectomy with intracorporeal suturing of the vault performed in Singapore. A 40-year-old woman with microinvasive squamous cell carcinoma of the cervix successfully underwent single-port access total laparoscopic hysterectomy. Unique articulated and multifunction laparoscopic instruments were used to complete the surgery in...
Laparoscopic gastrectomy has become widely used as a minimally invasive technique for the treatment of gastric cancer. When it was first introduced, most surgeons preferred a laparoscopic-assisted approach with a minilaparotomy rather than a totally laparoscopic procedure because of the technical challenges of achieving an intracorporeal anastomosis. Recently, with improved skills and instrumen...
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