Abdominal wall lifting retractor with hinged cross-member
Patent 5501653 Issued on March 26, 1996. Estimated Expiration Date: December 6, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
A method and apparatus for creating a surgical work space by lifting the abdominal wall and retracting abdominal organs during surgery utilizes a pair of lifting rods each hinged at their distal ends to opposite ends of an elongate cross-member. One of the lifting rods is slidable within a strap fastened to the proximal end of the other of the rods. The hinged relation of the lifting rods to the cross members and the sliding relation of the lifting rods to each other allow the apparatus to be pivoted into a streamlined configuration to facilitate insertion into a puncture opening in an abdominal cavity, and then to be pivoted into a triangular frame for defining an area of the abdominal wall to be lifted. After insertion the apparatus is locked into the triangular configuration, connected to a lifting arm, and lifted to cause the retraction rods to lift and support the abdominal wall.
G. Keen MS, FRCS, (ed.) "Operative Surgery & Management," pp. 334-335, (2nd. ed., Wright, Bristol, 1987)
R. F. Rintoul (ed.), "Farquharson's Textbook of Operative Surgery," pp. 286-289, (7th ed., Churchill Livingstone, New York, 1986)
ed. G. Berci, Endoscopy, Appleton-Century-Crofts, 1976, pp. 382-385 and 412
Unknown--Laparoscopy for Sterilization, Section 1, A Chronology of Laparoscopy
"New Surgical Procedures for Indirect Hernias"--Product leaflet for Herniastat™ disposable automatic surgical stapling device published by Innovative Surgical Devices, Inc., date unknown
"A Tiny TV Camera is Fast Transforming Gallbladder Surgery," Wall Street Journal, Dec. 10, 1990, p. A1, continued on page A5
A Comprehensive Guide to Purchasing Hospital Supplies!, V. Mueller & Co, Chicago, 1956, p. 829
H. Nagai et al., "A New Method of Laparoscopic Cholecystectomy: An Abdominal Wall Lifting Technique without Penumoperitoneum," Surgical Laparoscopy and Endoscopy, vol. 1, No. 2, 1991, p. 126
M. M. Gazayerli, "The Gazayerli Endoscopic Retractor Model 1," Surgical Laparoscopy and Endoscopy, vol. 1, No. 2, 1991, pp. 98-100
Geza J. Jako & Stephen Rozsos, "Preliminary Report: Endoscopic Laser Microsurgical Removal of Human Gallbladder," J. Laparoendoscopic Surgery, vol. 1, No. 4, 199