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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0682165 (1991-04-05) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 575 인용 특허 : 0 |
A reliable, contamination-resistant, single-use, disposable, medical, non-ventilating, aspirating device and method. The device releasibly connects to and aligns with an indwelling endotracheal tube to accommodate advancing of an aspirating catheter tube of the device by manual manipulation through
A reliable, contamination-resistant, single-use, disposable, medical, non-ventilating, aspirating device and method. The device releasibly connects to and aligns with an indwelling endotracheal tube to accommodate advancing of an aspirating catheter tube of the device by manual manipulation through a sterile, flexible envelope and selective evacuation of lung secretions through a closed and sterile two-position, normally-closed, manually-operable valve at the proximal end of the device, while simultaneously accommodating voluntarily respiration by the patient.
An aspirating assembly comprising: an aspirating catheter tube comprising distal and proximal ends; normally-closed valve structure by which aspirating vacuum pressure is selectively communicated to the interior of the catheter tube for evacuation of secretions from the lungs of a patient, the valve
An aspirating assembly comprising: an aspirating catheter tube comprising distal and proximal ends; normally-closed valve structure by which aspirating vacuum pressure is selectively communicated to the interior of the catheter tube for evacuation of secretions from the lungs of a patient, the valve structure comprising a valve and a valve body in which a part of the valve may be manually displaced, the valve body comprising normally-closed bore means for connection at opposite ends of the bore means respectively, to the proximal end of said catheter tube and to a source of the vacuum pressure, the valve comprising a one-piece element comprising (a) means simultaneously self-biasing the valve toward a closed position, but accommodating on-going manual displacement of part of the element counter to the self-bias into an open position for opening said bore means across the valve structure to accommodate communication of the vacuum pressure to the interior of the catheter tube, (b) means sealing a portion of the valve to the valve body for preventing entry of atmospheric air, (c) means sealing the valve to the valve body adjacent the bore means against fluid flow beyond the bore means within the valve structure caused by vacuum pressure, and (d) means accommodating fluid flow along the bore means across the valve structure responsive to vacuum pressure when the said part of element is displaced counter to the self-biasing to the open position.
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