Surgery – Truss – Pad
Patent
1987-01-28
1988-11-15
Hindenburg, Max
Surgery
Truss
Pad
128 6, A61B 1736
Patent
active
047841338
ABSTRACT:
A transparent plastic collapsible balloon is attached to the distal end of a flexible bronchoscope or angioscope. The inflatable balloon has a cavity or "working well" at its distal end which communicates by means of a tube with the central channel of the angioscope. Separate channels of the angioscope allow inflation of the balloon after it has been introduced into a vein or artery and visualization of tissue against which the distal end of the balloon is pressed. A laser fiber, forceps, or other instrument can be passed through the central channel of the angioscope, and through an opening in the distal end of the balloon into the working well cavity to allow lasing or other procedures to be performed on tissue abutted by the balloon and isolated by the working well cavity, and to also allow direct visualization of such procedures. Accurate visualization of the operating of lasing, use of the forceps to obtain biopsies or to remove foreign objects, and other intravascular procedures can thereby be achieved.
REFERENCES:
patent: 4224929 (1980-09-01), Furihata
patent: 4418689 (1983-12-01), Kanazawa
patent: 4445892 (1984-05-01), Hussein et al.
patent: 4470407 (1984-09-01), Hussein
"From Angiography to Angioscopy:Information Discussion", by Cortis et al., "Texas Heart Institute Journal", pp. 281-289, vol. 12, No. 3, Sep. 1986.
"Recanalization of Human Arteries Using Nd-Yag Laser Carried by Optical Fibre" by Geschwind et al., "J. Biomed Eng" 1984, vol. 6, Oct. pp. 281-283.
"Angioscopic Visualization of Pulmonary Emboli", by Moser et al., "Chest", 77:2, Feb. 1980, pp. 198-201.
"Identification of Pulmonary Emboli in the Dog: Comparison of Angioscopy and Perfusion Scanning", by Shure et al., Circulation 64, No. 3, 1981.
"Experimental Intracardiac Visualization", by Gamble et al.
New England Journal of Medicine, vol. 275, No. 25, Jul. 22, 1967, pp. 1397-1403.
Trimedyne's Multi-Lumen Optioscope Brochure.
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