[특허]Endoscopic multiple sample bioptome with enhanced biting action

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-010/00
출원번호	US-0715268 (2000-11-20)
발명자 / 주소	Turturro, Vincent Palmer, Matthew A. Slater, Charles R. Gottlieb, Saul
출원인 / 주소	Symbiosis Corporation
대리인 / 주소	Finnegan, Henderson, Farabow, Garrett & Dunner LLP
인용정보	피인용 횟수 : 17 인용 특허 : 43

초록 ▼

An endoscopic multiple sample bioptome includes a hollow outer member and an axially displaceable inner member extending therethrough. The proximal ends of the outer and inner members are coupled to an actuator for axially displacing one relative to the other. The distal end of the outer member is c

An endoscopic multiple sample bioptome includes a hollow outer member and an axially displaceable inner member extending therethrough. The proximal ends of the outer and inner members are coupled to an actuator for axially displacing one relative to the other. The distal end of the outer member is coupled to one of a cylinder having a sharp distal edge and a jaw assembly, while the distal end of the inner member is coupled to the other. The jaw assembly includes a pair of opposed, preferably toothed jaw cups each of which is coupled by a resilient arm to a base member. The arms are bent to lie in planes which intersect the axis of the base member and to locate the jaws apart from each other. The base member is mounted inside the cylinder and axial movement of the jaw assembly and cylinder relative to each other draws the arms into the cylinder and brings the jaw cups together in a biting action. The biting action is enhanced according to the invention by arranging the cutting edge of each jaw to lie in a plane which intersects the plane in which the distal portion of the jaw arm lies. The biting action is further enhanced by providing a closing cam on the outer surface of the jaws which is engaged by the cylinder when the jaws are closed. The arrangement of the cutting edges also presents a smooth surface to the interior of an endoscope and the closing cams prevent the sleeve from sliding completely over and off of the jaws.

대표청구항 ▼

An endoscopic multiple sample bioptome includes a hollow outer member and an axially displaceable inner member extending therethrough. The proximal ends of the outer and inner members are coupled to an actuator for axially displacing one relative to the other. The distal end of the outer member is c

An endoscopic multiple sample bioptome includes a hollow outer member and an axially displaceable inner member extending therethrough. The proximal ends of the outer and inner members are coupled to an actuator for axially displacing one relative to the other. The distal end of the outer member is coupled to one of a cylinder having a sharp distal edge and a jaw assembly, while the distal end of the inner member is coupled to the other. The jaw assembly includes a pair of opposed, preferably toothed jaw cups each of which is coupled by a resilient arm to a base member. The arms are bent to lie in planes which intersect the axis of the base member and to locate the jaws apart from each other. The base member is mounted inside the cylinder and axial movement of the jaw assembly and cylinder relative to each other draws the arms into the cylinder and brings the jaw cups together in a biting action. The biting action is enhanced according to the invention by arranging the cutting edge of each jaw to lie in a plane which intersects the plane in which the distal portion of the jaw arm lies. The biting action is further enhanced by providing a closing cam on the outer surface of the jaws which is engaged by the cylinder when the jaws are closed. The arrangement of the cutting edges also presents a smooth surface to the interior of an endoscope and the closing cams prevent the sleeve from sliding completely over and off of the jaws. hich cardiac output may be determined. The use of wavelet transforms for fiducial point detection increases the accuracy of the CO determination by reducing cross-term artifact, and also significantly reduces the amount and complexity of processing required as compared to prior art time-frequency distribution or empirical techniques. Improved methods of QRS complex detection within the ECG waveform, and median filtering of an input waveform, are also disclosed.

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이 특허에 인용된 특허 (43) 인용/피인용 타임라인 분석

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Picha George J. (Independence OH) Secrest Dean J. (Euclid OH), Biopsy forceps with calde controlled jaws.
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Fuerst Erwin J. (1183 N. River Rd. St. Clair MI 48079), Biopsy needle.
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Xavier Alfredo F. (New Bedford MA), Biopsy needle.
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Chin Yem (Burlington MA) Chu Michael S. H. (Brookline MA), Biopsy needle instrument for storing multiple specimens.
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Bencini Robert F. (Dracut MA) Weitzner Barry D. (Chelmsford MA), Disposable biopsy forceps.
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Devlin Peter J. (Billerica MA) Weitzner Barry D. (Acton MA) Watson Thomas (Hooksett NH), Disposable biopsy forceps.
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Sharpe Leslie A. (Edina MN) Peterson Francis C. (Prescott WI), Endoscopic grasping tool surgical instrument.
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Lifton Lester J. (Mechanicsburg PA), Endoscopic multiple biopsy instrument.
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Turturro Vincent ; Palmer Matthew A. ; Slater Charles R. ; Gottlieb Saul, Endoscopic multiple sample bioptome with enhanced biting action.
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Turturro Vincent ; Palmer Matthew A. ; Slater Charles R. ; Gottlieb Saul, Endoscopic multiple sample bioptome with enhanced biting action.
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Kelleher Brian S., Flexible forceps device.
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Tal Elisha A. (San Francisco CA) Hogendijk Michael (Sunnyvale CA) Orth Michael J. (San Jose CA) Christian Jeffrey J. (San Jose CA) Holmes Jeffrey E. (San Jose CA) Berkowitz Robert D. (Menlo Park CA), Hand held surgical device.
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Rioux Jacques E. (Ste. Foy CA) Turp Gerald (Neufchatel CA) Jacques Francois (Neufchatel CA), Instrument for use in laparoscopic tubal cauterization.
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Knoepfler Dennis J. (1283 Whitaker La. Amelia OH 45102), Multiple purpose forceps.
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Bales Thomas O. (Coral Gables FL) Slater Charles R. (Fort Lauderdale FL) Smith Kevin W. (Miami FL), Radial jaw biopsy forceps.
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Schintgen Jean-Marie (45 ; Avenue Victor Hugo 75116 Paris FRX) Zeitoun Bruno (23 ; rue Daubenton 75005 Paris FRX), Retractable needle biopsy forceps and improved control cable therefor.
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Halpern David Marcos (Fragata Presidente Sarmiento 797 Buenos Aires AR) Sanchez Eduardo Raul (Avda. Cordoba 679 Buenos Aires AR) Livoff Arnoldo (Avda. Cordoba 679 Buenos Aires AR), Surgical instrument for biopsies.
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Lichtman Philip R. (Newton MA), Surgical instrument for endoscopic surgery.
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Willard Lloyd K. (Miltona MN) Cassell Robert L. (Carlos MN) Robinson Robert J. (Alexandria MN) Brown Brian J. (Hanover MN) Whalen Mark J. (Alexandria MN) Smith Scott R. (Chaska MN), Thrombus extraction device.
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[미국특허] Endoscopic multiple sample bioptome with enhanced biting action 원문보기

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