Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1988-09-08
1990-12-18
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604164, A61M 500
Patent
active
049783343
ABSTRACT:
An apparatus and method for providing a percutaneous or non-dissection passage into a body cavity or hollow viscus. A needle is attached to a syringe for insertion within the body cavity. Operation of the syringe confirms proper location of the needle within the body cavity. The needle is coaxially fitted within a dilator which is coaxially fitted within a tube. A leader portion of the dilator follows the insertion path defined by the needle to dilate the tissues for entry of the larger portions of the dilator and the tube. The needle and dilator can be slidably withdrawn to leave the tube in position. Various dilator leader structures are disclosed.
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Clinical Experience with Percutaneous Tracheostomy and Cricothyroidotomy in 100 Patients vol. 26, No. 11, F. J. Toye & J. D. Weinstein.
Toye Frederic J.
Weinstein James D.
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