Surgery – Instruments – Means for inserting or removing conduit within body
Patent
1993-09-08
1996-03-05
Pellegrino, Stephen C.
Surgery
Instruments
Means for inserting or removing conduit within body
606108, 604264, 128898, A61B 1700
Patent
active
054963290
ABSTRACT:
The preferred embodiment of the apparatus comprises the combination of a fixture and ventilation tube, with the fixture including a mandrel that is engagingly received through the bore or lumen of the ventilation tube to define a distal tip projecting from the front face of the ventilation tube. A helical thread extends rearwardly from the distal tip of the fixture to the seating region of the ventilation tube along a conical surface formed by portions of both the fixture and ventilation tube.
The preferred method of this invention for implanting a ventilation tube through the membrane includes the steps of: providing a fixture and ventilation tube with a helical thread and penetrating edge, placing that penetrating edge in contact with the membrane rotating the penetrating edge so that it penetrates the membrane to simultaneously form a passage and draw the ventilation tube into that passage at a controlled rate until the ventilation tube is implanted, and detaching the fixture from the ventilation tube so that the ventilation tube remains implanted through the membrane at the desired location.
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Microtek Medical, Microtek Ventilation Tubes Catalog Publication date unknown.
OTO-MED, Inc., Micro-Surgery Products/Otorhinolaryngology Catalog Publication date unknown.
Storz, Surgical Instruments Catalog Publication date unknown.
Smith & Nephew/Richards, Buyer's Guide for Ventilation Tubes Publication date unknown.
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Smith & Nephew/Richards, Disposable Instruments Catalog Publication date unknown.
Alpha Surgical, Inc.
Dawson Glenn
Pellegrino Stephen C.
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