[특허]Bronchoalveolar lavage catheter

[미국특허] Bronchoalveolar lavage catheter 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-005/00
출원번호	US-0810379 (1991-12-19)
발명자 / 주소	Strickland Richard D. (Sandy UT)
출원인 / 주소	Ballard Medical Products (Draper UT 02)
인용정보	피인용 횟수 : 41 인용 특허 : 0

초록 ▼

An outer catheter so sized and configured so as to extend from a point below the first bifurcation of the trachea through the upper respiratory system of the patient is disposed about an inner catheter having a tip secured in the opening at the distal end thereof with an outer lateral periphery larger in diameter than the outer surface of the inner catheter. A passageway is formed between said outer catheter and said inner catheter. A connector hub assembly, connected to the proximal end of the outer catheter and couplable to a supply of oxygen, allows for oxygen insufflation to take place during the bronchoalveolar lavage procedure. The proximal surface of the tip between the outer lateral periphery and the outer surface of the inner catheter is capable of sealingly engaging the distal end of the outer catheter. In this condition the pair of catheters can be advanced through the upper respiratory system of the patient without contaminating the outer surface of the inner catheter. Thereafter the inner catheter is advanced relative to the outer catheter into a wedging position in a bronchiole of the patient. In one embodiment, the inner catheter is provided with a selectively inflatable cuff by which to engage the walls of a bronchiole of the patient.

대표청구항 ▼

An assembly for performing bronchoalveolar lavage, said assembly comprising: (a) a sampling catheter so sized and configured as to extend from a bronchiole in the lung of a patient through the upper respiratory system of the patient, said sampling catheter comprising proximal and distal ends and further comprising therethrough a single lumen means for both infusing and aspirating fluid therethrough, said single lumen means communicating with both said sampling catheter proximal and distal ends; (b) means located at the proximal end of said sampling catheter for infusing and aspirating fluid through said single lumen means at said distal end; and (c) means for directing the distal end of said sampling catheter into a preselected lung of the patient and for protecting the outside of said sampling catheter from contamination during advancement of said distal end of said sampling catheter through the upper respiratory system of the patient.

이 특허를 인용한 특허 (41) 인용/피인용 타임라인 분석

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Martens, Paul W.; Colburn, Joel C., Multi-layer cuffs for medical devices.
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Doug Duchon ; Thomas Paulson ; Vince Copa ; Robert F. Wilson ; Jiyan Liu, Random speed change injector.
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Takeuchi, James M.; Hershey, Adrienne A.; Teixeira, Scott M.; Martin, Stephanie M.; Aragon, Juan Pablo; Korir-Morrison, Cindy C.; Hofmekler, Jonathan, Rapid identification of organisms in bodily fluids.
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[미국특허] Bronchoalveolar lavage catheter 원문보기