| US3630190A
              (en)
            
            * | 1970-03-13 | 1971-12-28 | Schmid Inc Julius | Intrauterine probe | 
        
          | US3933147A
              (en)
            
            * | 1970-04-02 | 1976-01-20 | Vall Wilbur E Du | Apparatus and method for treating disorders in the region of the pubococcygeous muscle | 
        
          | US3748623A
              (en)
            
            * | 1972-07-25 | 1973-07-24 | Millar Instruments | Pressure transducers | 
        
          | US3935640A
              (en)
            
            * | 1973-04-05 | 1976-02-03 | Richard Philip Cohan | Dental instrument | 
        
          | US3951136A
              (en)
            
            * | 1973-10-10 | 1976-04-20 | Vital Signs, Inc. | Multiple purpose esophageal probe | 
        
          | US3939823A
              (en)
            
            * | 1975-01-28 | 1976-02-24 | The United States Of America As Represented By The Department Of Health, Education And Welfare | Esophageal transducer | 
        
          | US4030481A
              (en)
            
            * | 1975-10-29 | 1977-06-21 | Hill Lucius D | Manometric pressure sensing and liquid evacuating device for intraoperative hiatal hernia repair | 
        
          | US4073287A
              (en)
            
            * | 1976-04-05 | 1978-02-14 | American Medical Systems, Inc. | Urethral profilometry catheter | 
        
          | US4168703A
              (en)
            
            * | 1977-07-18 | 1979-09-25 | Kenneth Kenigsberg | Gastroesophageal reflux diagnostic tool | 
        
          | US4232687A
              (en)
            
            * | 1977-09-01 | 1980-11-11 | University Of Illinois Foundation | Apparatus and method for determining newborn infant feeding capability | 
        
          | JPS5921495B2
              (ja)
            
            * | 1977-12-15 | 1984-05-21 | 株式会社豊田中央研究所 | 細管型圧力計 | 
        
          | DE2828206C2
              (de)
            
            * | 1978-06-27 | 1986-09-11 | Siemens AG, 1000 Berlin und 8000 München | Katheter zum Einführen in ein Gefäß eines Patienten | 
        
          | US4304240A
              (en)
            
            * | 1980-03-07 | 1981-12-08 | The Kendall Company | Esophageal probe with dual sound detection | 
        
          | US4301809A
              (en)
            
            * | 1980-03-13 | 1981-11-24 | Pinchak Alfred C | Esophageal monitoring apparatus | 
        
          | US4502490A
              (en)
            
            * | 1980-10-28 | 1985-03-05 | Antec Systems Limited | Patient monitoring equipment, probe for use therewith, and method of measuring anesthesia based on oesophagal contractions | 
        
          | US4407301A
              (en)
            
            * | 1981-01-27 | 1983-10-04 | C. R. Bard, Inc. | Disc membrane catheter for performing cystometrograms and urethral profiles | 
        
          | SE8103309L
              (sv)
            
            * | 1981-05-26 | 1982-11-27 | Karolinska Inst | Overvakningssond | 
        
          | FR2512665A1
              (fr)
            
            * | 1981-09-12 | 1983-03-18 | Wolf Gmbh Richard | Catheter pour la mesure de la pression intra-uretrale | 
        
          | US5526809A
              (en)
            
            * | 1982-03-22 | 1996-06-18 | Mountpelier Investments, S.A. | Hollow viscous and soild organ tonometry | 
        
          | US5415165A
              (en)
            
            * | 1986-02-27 | 1995-05-16 | Mountpelier Investments | Tonometric catheter combination | 
        
          | US4643192A
              (en)
            
            * | 1982-03-22 | 1987-02-17 | Regents Of The University Of Michigan | Hollow viscus tonometry | 
        
          | US5174290A
              (en)
            
            * | 1982-03-22 | 1992-12-29 | Mountpelier Investments, S.A. | Tonometric catheter combination | 
        
          | US6010453A
              (en)
            
            * | 1982-03-22 | 2000-01-04 | Instrumentarium Corporation | Tonometric catheter combination | 
        
          | US5186172A
              (en)
            
            * | 1982-03-22 | 1993-02-16 | Mountpelier Investments, S.A. | Remote sensing tonometric catheter apparatus | 
        
          | US4476871A
              (en)
            
            * | 1982-04-23 | 1984-10-16 | American Home Products Corporation | Monitoring of cervical dilatation during labor | 
        
          | CA1176929A
              (en)
            
            * | 1982-07-14 | 1984-10-30 | Urotek Inc. | Urodynamic catheter | 
        
          | FR2530462A1
              (fr)
            
            * | 1982-07-26 | 1984-01-27 | Dumas Yves | Pompe a nutrition asservie | 
        
          | DE3240838A1
              (de)
            
            * | 1982-11-05 | 1984-05-10 | Hilsenitz, Eric, Dr.med., 3502 Vellmar | Aggregationsverhindernde verweilkanuelen oder katheter | 
        
          | US4538621A
              (en)
            
            * | 1983-01-25 | 1985-09-03 | Urotek Inc. | Urodynamic catheter | 
        
          | US4543961A
              (en)
            
            * | 1983-11-14 | 1985-10-01 | Cordis Corporation | Data transmission system | 
        
          | US4561450A
              (en)
            
            * | 1984-10-03 | 1985-12-31 | The United States Of America As Represented By The Secretary Of The Army | Electrolytic pressure transduction system | 
        
          | US4681122A
              (en)
            
            * | 1985-09-23 | 1987-07-21 | Victory Engineering Corp. | Stereotaxic catheter for microwave thermotherapy | 
        
          | DE3628938A1
              (de)
            
            * | 1986-08-26 | 1988-03-10 | Schneider Joachim | Manometriekatheder zur erfassung von druck- und bewegungsablaeufen im ein- und ausgangsbereich sowie im tubulaeren bereich der speiseroehre | 
        
          | US4836214A
              (en)
            
            * | 1986-12-01 | 1989-06-06 | Bomed Medical Manufacturing, Ltd. | Esophageal electrode array for electrical bioimpedance measurement | 
        
          | US4774943A
              (en)
            
            * | 1986-12-31 | 1988-10-04 | Yu Charles C | Endotracheal tube | 
        
          | US4892095A
              (en)
            
            * | 1987-03-17 | 1990-01-09 | Nakhgevany Karim B | Endotracheal tube | 
        
          | US4815472A
              (en)
            
            * | 1987-06-01 | 1989-03-28 | The Regents Of The University Of Michigan | Multipoint pressure-sensing catheter system | 
        
          | US4823808A
              (en)
            
            * | 1987-07-06 | 1989-04-25 | Clegg Charles T | Method for control of obesity, overweight and eating disorders | 
        
          | DD268055A1
              (de)
            
            * | 1988-01-06 | 1989-05-17 | Messgeraetewerk Zwonitz Veb K | In einen katheter einsetzbarer messfuehler, insbesondere druckmessfuehler | 
        
          | US4809710A
              (en)
            
            * | 1988-01-11 | 1989-03-07 | Williamson Jeffrey L | Multilumen manometer catheter | 
        
          | US4921481A
              (en)
            
            * | 1988-03-23 | 1990-05-01 | Abbott Laboratories | Enteral feeding system utilizing gastrointestinal myoelectrography | 
        
          | KR0147309B1
              (ko)
            
            * | 1988-08-26 | 1998-08-01 | 한즈 아흐조팰로 및 올리 릭카라 | 원격 감지 압력 측정 카테테르 장치 및 측정방법 | 
        
          | US5456251A
              (en) | 1988-08-26 | 1995-10-10 | Mountpelier Investments, S.A. | Remote sensing tonometric catheter apparatus and method | 
        
          | AU637062B2
              (en)
            
            * | 1988-08-26 | 1993-05-20 | Instrumentarium Corporation | Tonometric catheter combination | 
        
          | US4887610A
              (en)
            
            * | 1988-10-19 | 1989-12-19 | University Of Virginia Alumni Patents Foundation | Device to measure electrical and mechanical events in the human sphincters | 
        
          | DE3836349A1
              (de)
            
            * | 1988-10-25 | 1990-05-03 | Forschungsgesellschaft Fuer Bi | Katheter zur messung von motilitaet und peristaltik in schlauchfoermigen, ihren inhalt transportierenden organen mittels simultaner multipler impedanzmessung | 
        
          | US5191885A
              (en)
            
            * | 1989-02-06 | 1993-03-09 | Arczo Medical Electronics, Inc. | Method of terminating an arrhythmia | 
        
          | US5343860A
              (en)
            
            * | 1989-02-06 | 1994-09-06 | Arzco Medical Systems, Inc. | Esophageal recording/pacing catheter with thermistor and cardiac imaging transceiver | 
        
          | US5199433A
              (en)
            
            * | 1989-02-06 | 1993-04-06 | Arzco Medical Systems, Inc. | Esophageal recording/pacing catheter with thermistor and cardiac imaging transceiver | 
        
          | US4981470A
              (en)
            
            * | 1989-06-21 | 1991-01-01 | Synectics Medical, Inc. | Intraesophageal catheter with pH sensor | 
        
          | IL93587A
              (en)
            
            * | 1990-03-01 | 2001-01-11 | Shirit Yarkony | Analysis of swallowing defects | 
        
          | US5179952A
              (en)
            
            * | 1990-08-13 | 1993-01-19 | Arzco Medical Electronics Inc. | Electrocardial stimulator probe | 
        
          | US5381800A
              (en)
            
            * | 1992-03-12 | 1995-01-17 | Angelchik; Jean P. | Method for testing for esophagitis | 
        
          | US5297437A
              (en)
            
            * | 1992-04-09 | 1994-03-29 | Joachim Schneider | Device for manometric measurement of the esophagus | 
        
          | US5477860A
              (en)
            
            * | 1992-11-05 | 1995-12-26 | Synectics Medical, Inc. | Catheter for measuring respiration and respiratory effort | 
        
          | US5810741A
              (en)
            
            * | 1992-11-05 | 1998-09-22 | Synectics Medical Ab | Method of measuring respiration and respiratory effort using plural catheters | 
        
          | US5438985A
              (en)
            
            * | 1993-01-25 | 1995-08-08 | Synectics Medical, Incorporated | Ambulatory recording of the presence and activity of substances in gastro-intestinal compartments | 
        
          | US5335668A
              (en)
            
            * | 1993-04-30 | 1994-08-09 | Medical Scientific, Inc. | Diagnostic impedance measuring system for an insufflation needle | 
        
          | US5551425A
              (en)
            
            * | 1993-05-13 | 1996-09-03 | Synectics Medical, Inc. | Potential difference and perfusion pressure catheter | 
        
          | US5657759A
              (en)
            
            * | 1993-05-13 | 1997-08-19 | Synectics Medical, Incorporated | Measurement of gastric emptying and gastrointestinal output | 
        
          | US5433216A
              (en)
            
            * | 1993-06-14 | 1995-07-18 | Mountpelier Investments, S.A. | Intra-abdominal pressure measurement apparatus and method | 
        
          | US5427114A
              (en)
            
            * | 1993-08-19 | 1995-06-27 | Fiberoptic Sensor Technologies, Inc. | Dual pressure sensing catheter | 
        
          | US5477854A
              (en)
            
            * | 1993-09-16 | 1995-12-26 | Synectics Medical, Inc. | System and method to monitor gastrointestinal Helicobacter pylori infection | 
        
          | US5507289A
              (en)
            
            * | 1993-09-16 | 1996-04-16 | Synectics Medical, Inc. | System and method to diagnose bacterial growth | 
        
          | US5833625A
              (en)
            
            * | 1993-10-21 | 1998-11-10 | Synectics Medical Ab | Ambulatory reflux monitoring system | 
        
          | US5479935A
              (en)
            
            * | 1993-10-21 | 1996-01-02 | Synectics Medical, Inc. | Ambulatory reflux monitoring system | 
        
          | US5617876A
              (en)
            
            * | 1994-09-19 | 1997-04-08 | Les Enterprises Laborie, Inc. | Apparatus for examining the functioning of body structures comprising smooth muscle walls | 
        
          | US5776081A
              (en)
            
            * | 1995-06-06 | 1998-07-07 | University Of Iowa Research Foundation | Urethral pressure catheter | 
        
          | US5902248A
              (en)
            
            * | 1996-11-06 | 1999-05-11 | Millar Instruments, Inc. | Reduced size catheter tip measurement device | 
        
          | US5941834A
              (en)
            
            * | 1997-03-17 | 1999-08-24 | Polartechnics Limited | Sheath for a side view probe | 
        
          | US6285897B1
              (en) | 1999-04-07 | 2001-09-04 | Endonetics, Inc. | Remote physiological monitoring system | 
        
          | WO2000059376A1
              (en)
            
            * | 1999-04-07 | 2000-10-12 | Endonetics, Inc. | Implantable monitoring probe | 
        
          | US6394986B1
              (en) | 1999-11-06 | 2002-05-28 | Millar Instruments, Inc. | Pressure sensing module for a catheter pressure transducer | 
        
          | DE20009854U1
              (de)
            
            * | 2000-05-31 | 2000-08-24 | REHAU AG + Co., 95111 Rehau | Vorrichtung für Druckmessungen | 
        
          | EP2027816B1
              (en) | 2000-07-19 | 2012-06-20 | Innovamédica S.A. de C.V. | Catheter for ischemic mucosal damage monitoring in hollow viscous organs | 
        
          | US6723053B2
              (en)
            
            * | 2001-03-14 | 2004-04-20 | Coopersurgical, Inc. | Esophageal balloon catheter device | 
        
          | DE60231725D1
              (de)
            
            * | 2001-09-06 | 2009-05-07 | Hans Gregersen | Ballonkathetersystem zur stimulation und messung der durch stimuli erzeugten reaktion | 
        
          | US6740047B2
              (en)
            
            * | 2002-01-25 | 2004-05-25 | Harlan K. Holmes | Motility analysis, display, and interpretation system | 
        
          | US20040068203A1
              (en)
            
            * | 2002-10-03 | 2004-04-08 | Scimed Life Systems, Inc. | Sensing pressure | 
        
          | SE0400817D0
              (sv)
            
            * | 2004-03-30 | 2004-03-30 | Benf Ab | Arrangement and method for determining muscular contractions in an anatomical organ | 
        
          | SE0401151D0
              (sv)
            
            * | 2004-05-04 | 2004-05-04 | Benf Ab | Arrangement and method for assessing the motility of a generally tubular anatomical organ | 
        
          | CH697482B1
              (de)
            
            * | 2004-10-07 | 2008-11-14 | Peter Schlumpf | Multifunktionale Kathetersonde. | 
        
          | RU2286080C2
              (ru)
            
            * | 2005-01-26 | 2006-10-27 | Общество с ограниченной ответственностью "ТАКТИЛ" (ООО "ТАКТИЛ") | Устройство для исследования плотности ткани при эндоскопическом обследовании | 
        
          | RU2417732C2
              (ru)
            
            * | 2006-10-10 | 2011-05-10 | Байосенс Уэбстер, Инк. | Катетер для картрирования пищевода | 
        
          | US9675285B2
              (en)
            
            * | 2006-10-16 | 2017-06-13 | Given Imaging Ltd. | Delivery device for implantable monitor | 
        
          | US8219171B2
              (en)
            
            * | 2010-03-16 | 2012-07-10 | Given Imaging Ltd. | Delivery device for implantable monitor | 
        
          | WO2012082715A2
              (en)
            
            * | 2010-12-13 | 2012-06-21 | Case Western Reserve University | Device with external pressure sensors for enhancing patient care and methods of using same | 
        
          | US10779732B2
              (en) | 2016-03-29 | 2020-09-22 | Mayo Foundation For Medical Education And Research | Systems and methods for assessing properties of biological tubes |