[특허]Body volume measurement chamber

Body volume measurement chamber 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01F-017/00
출원번호	US-0269500 (1994-07-01)
발명자 / 주소	Abler Joseph H. (Brookfield WI)
출원인 / 주소	Abler Data System (New Berlin WI 02)
인용정보	피인용 횟수 : 28 인용 특허 : 0

초록 ▼

A chamber for determining the volume of a patient for tissue density calculations provides controlled and continuous volume changes in the chamber by means of increasing offset between connected tanks of water, one of which communicates to the chamber to withdraw air from the chamber as its water level falls. Continuous pressure and volume data is thereby obtained allowing rapid determination of the patient volume through an application of Boyle\s law. The chamber includes a self-sealing design in which the reduced air pressure of the chamber holds its lid in place. The pressure difference is maintained by a patient\s holding down of a handle closing a pressure release valve permitting rapid egress by the patient when the handle is raised.

대표청구항 ▼

An apparatus for measuring the volume of a breathing subject comprising: a substantially air-tight chamber having a chamber volume sized to receive the subject; a pump communicating with the volume to monotonically change the air-pressure within the chamber volume during a test period; a pressure gauge communicating with the chamber volume to produce a pressure signal indicating the pressure within the chamber volume; a sampling means for sampling the pressure signal at a plurality of times during the test period to produce sampled pressure values; calculating means for predicting a static pressure from the sampled pressure values and calculating a volume of the subject from the static pressure; display means for display an indicating of the volume of the subject; and wherein calculating means performs a linear regression of the sampled pressure values from the beginning of the test period to calculate the static volume of the subject. An apparatus for measuring the volume of a breathing subject comprising: a chamber having an aperture with a first lip through which the subject may be received into a volume; a lid having a second lip sized to abut the first lip when the lid is in a closed position; a pump communicating with the volume to decrease the air-pressure within the volume so as to draw the lid and chamber together to form an air-tight enclosure; a pressure gauge communicating with the volume to produce a pressure signal indicating the pressure within the volume; calculation means for calculating the volume of the subject from the pressure signal; and display means for displaying an indication of the volume of the subject; wherein the lid is hinged to the chamber and including further a spring for biasing the lid away from the chamber to an open position and a handle positioned so as to be grasped by the subject so that the subject may move the lid to the closed position against the biasing of the spring from within the chamber; including further a pressure relief valve having a movable stem and operating to permit the passage of air through an orifice into the volume, the pressure relief valve stem being attached to the handle so as to permit the passage of air into the volume when the handle is not grasped by the subject and so as not to permit the passage of air into the volume when the handle is grasped by the subject to hold the lid closed.

이 특허를 인용한 특허 (28)

Dempster,Philip T.; Homer,Michael V.; Lowe,Mark; Urlando,Alessandro, Air circulation apparatus and methods for plethysmographic measurement chambers.
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Dempster, Philip T.; Lowe, Mark, Apparatus and methods for plethysmographic measurement of infant body composition.
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Dempster, Philip T.; Lowe, Mark, Apparatus and methods for repeatable door closure in a plethysmographic measurement chamber.
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Miller,Greg, Body volume measurement apparatus and method of measuring the body volume of a person.
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Dempster, Philip T., Calibration methods and apparatus for plethysmographic measurement chambers.
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Margalit, Near, Dual chamber volume measurement apparatus and methods of making and using the same.
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DiPerna, Paul M, Flow regulating stopcocks and related methods.
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DiPerna, Paul M.; Brown, David; Rosinko, Mike; Kincade, Dan; Michaud, Michael; Nadworny, John; Kruse, Geoffrey A.; Ulrich, Thomas R., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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DiPerna, Paul M.; Brown, David; Rosinko, Mike; Kincade, Dan; Michaud, Michael; Nadworny, John; Kruse, Geoffrey A.; Ulrich, Thomas R., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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Michaud, Michael; Kruse, Geoffrey A., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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Michaud, Michael; Kruse, Geoffrey A., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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Verhoef, Erik T.; DiPerna, Paul M.; Rosinko, Mike; Williamson, Mark; Kruse, Geoffrey A.; Ulrich, Thomas R.; Lamb, Phil; Saint, Sean; Michaud, Michael; Trevaskis, William, Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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James A. Parker ; Gary J. Legner ; George Lima ; David P. Schwartz ; James R. Gunkel, Intelligent data inventory & asset management systems method and apparatus.
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Parker, James A.; Legner, Gary J.; Lima, George; Schwartz, David P.; Gunkel, James R., Intelligent data inventory and asset management system method and apparatus.
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Thompson, Elizabeth S., Method and process for body composition management.
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Weiler, Michael J.; Frank, Nathan Daniel, Methods of generating compression garment measurement information for a patient body part and fitting pre-fabricated compression garments thereto.
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Weiler, Michael J.; Frank, Nathan Daniel, Methods of generating compression garment measurement information for a patient body part or body area of interest and use thereof.
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DiPerna, Paul M., Slideable flow metering devices and related methods.
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Siconolfi Steven F., Soft-sided air displacement volumometer.
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Brown, David, Solute concentration measurement device and related methods.
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Rosinko, Michael J.; Kruse, Geoffrey A.; Harris, Paul, System and method for detecting occlusions in an infusion pump.
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Locke, Christopher Brian; Robinson, Timothy Mark; Blandford, David Robson, System and method for determining a fill status of a canister of fluid in a reduced pressure treatment system.
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Locke, Christopher Brian; Robinson, Timothy Mark; Blandford, David Robson, System and method for determining a fill status of a canister of fluid in a reduced pressure treatment system.
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Retterath,James E.; Laumeyer,Robert A., System for automated detection of embedded objects.
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Retterath, James E.; Laumeyer, Robert A.; Chapman, Steven A., System for content analysis of comestible products using volumetric determination.
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Retterath, James E.; Laumeyer, Robert A.; Chapman, Steven A., System for content analysis of comestible products using volumetric determination.
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Metzmaker, Thomas; Saint, Sean; Michaud, Michael; Rosinko, Michael J.; Swanson, Vance, Systems including vial adapter for fluid transfer.
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DiPerna, Paul M., Two chamber pumps and related methods.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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연합인증

Body volume measurement chamber 원문보기

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이 특허를 인용한 특허 (28)

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Body volume measurement chamber 원문보기

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이 특허를 인용한 특허 (28)

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