Instrument for implementing medical or surgical operations by laparoscopy or coelioscopy
Patent 5460169 Issued on October 24, 1995. Estimated Expiration Date: 
June 28, 2014. 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.
June 28, 2014. 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.Patent References 1798124 2221138 3099544 3313294 Insufflation apparatus Suction retraction instrument Medical retractor device Malleable force-fulcrum retractor Retractor for use in oral and maxillofacial surgery Soft tissue protector for use in oral and maxillofacial surgery InventorApplicationNo. 267463 filed on 06/28/1994US Classes:600/230, Special table clamp604/104, Having means expanding body orifice or canal (e.g., dilator, retaining means, etc.)606/191Internal pressure applicator (e.g., dilator)ExaminersPrimary: Apley, Richard J.Assistant: Flanagan, Beverly M. Attorney, Agent or FirmForeign Patent References
International ClassA61B 017/02Foreign Application Priority Data1990-03-20 FRAbstractAn instrument for assisting surgical laparascopic or coelioscopic operations where the patient's anterior abdominal wall is formed with an aperture and is raised away from the patient's visceral organs comprises a wirelike body having a first part extending substantially in a plane and adapted to lie against the posterior face of the anterior abdominal wall, a second part extending transversely from the plane of the first part, having an outer end, and adapted to traverse the aperture in the abdominal wall, and a hook at the outer end of the second part adapted to be secured to a stationary support. After inflation of the patient's peritoneum to raise the anterior abdominal wall, the second part of the device is hooked under this wall and the outer end is hooked over a bracket to maintain the abdominal wall raised.Other References
Field of SearchMethodsBlunt dissectors Internal pressure applicator (e.g., dilator) Expanding dilator (e.g., expanding arm, etc.) Means for removing foreign objects from the throat or connected passageways (e.g., probang) Having means expanding body orifice or canal (e.g., dilator, retaining means, etc.) Expanding bow Expanding arm or finger Expansion actuated by axially movable member Rotatable means actuates axially movable member Expansion actuated by rotatable means (e.g, threaded or cammed member, etc.) | |
