Potential difference and perfusion pressure catheter

Surgery – Truss – Pad

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

A61B 505

Patent

active

055514251

ABSTRACT:
A perfusion catheter is designed to be used both as an exploring catheter for measuring potential difference across the gastrointestinal wall and for simultaneous measurement of pressure at the same site. The catheter includes a perfusion lumen into which an Ag/AgCl wire is inserted as an electrode thus avoiding the need of half cells and bridges. By perfusing saline around the wire, the environment is kept constant around the wire, a prerequisite for the electrode. The flow rate of the distal end of the lumen is altered by making the diameter of the outlet different to the diameter of the lumen. The perfused solution is also used to measure pressure.

REFERENCES:
patent: 2162656 (1939-06-01), Warrington
patent: 2168867 (1939-08-01), George
patent: 2857915 (1958-10-01), Sheridan
patent: 3373735 (1968-03-01), Gallagher
patent: 3480003 (1969-11-01), Crites
patent: 3669095 (1972-06-01), Kobayashi et al.
patent: 3690309 (1972-09-01), Pluzhnikov et al.
patent: 3817241 (1974-06-01), Grausz
patent: 3905889 (1975-09-01), Macur et al.
patent: 3923626 (1975-12-01), Niedrach et al.
patent: 4016866 (1977-04-01), Lawton
patent: 4063548 (1977-12-01), Klatt et al.
patent: 4073287 (1978-02-01), Bradley et al.
patent: 4119498 (1978-10-01), Edwall et al.
patent: 4176659 (1979-12-01), Rolfe
patent: 4197852 (1980-04-01), Schindler et al.
patent: 4208588 (1980-06-01), Rudin
patent: 4214593 (1980-07-01), Imbruce et al.
patent: 4265249 (1981-05-01), Schindler et al.
patent: 4299929 (1981-11-01), Sakano et al.
patent: 4299959 (1981-11-01), Jellinek
patent: 4381011 (1983-04-01), Somers
patent: 4442841 (1984-04-01), Uehara et al.
patent: 4471779 (1984-09-01), Antoshkiw et al.
patent: 4476871 (1984-10-01), Hon
patent: 4478222 (1984-10-01), Koning et al.
patent: 4486290 (1984-12-01), Cahalan et al.
patent: 4487206 (1984-12-01), Aagard
patent: 4503859 (1985-03-01), Petty et al.
patent: 4508103 (1985-04-01), Calisi
patent: 4577640 (1986-03-01), Hofmeister
patent: 4593701 (1986-06-01), Kobayashi et al.
patent: 4600015 (1986-07-01), Evans et al.
patent: 4618929 (1986-10-01), Miller et al.
patent: 4631061 (1986-12-01), Martin
patent: 4632119 (1986-12-01), Reichstein
patent: 4642104 (1987-02-01), Sakamoto et al.
patent: 4655225 (1987-04-01), Dahne et al.
patent: 4681116 (1987-07-01), Settler
patent: 4682596 (1987-07-01), Bales et al.
patent: 4691708 (1987-09-01), Kane
patent: 4696672 (1987-09-01), Mochizuki et al.
patent: 4700709 (1987-10-01), Kraig
patent: 4703757 (1987-11-01), Cohen
patent: 4705503 (1987-11-01), Dorman et al.
patent: 4729384 (1988-03-01), Bazenet
patent: 4748113 (1988-05-01), Marshall
patent: 4748562 (1988-05-01), Miller et al.
patent: 4757194 (1988-07-01), Simms
patent: 4776347 (1988-10-01), Matthews
patent: 4796629 (1989-01-01), Grayzel
patent: 4803992 (1989-02-01), Lemelson
patent: 4815471 (1989-03-01), Stobie
patent: 4834101 (1989-05-01), Collison et al.
patent: 4850371 (1989-07-01), Broadhurst et al.
patent: 4873990 (1989-10-01), Holmes et al.
patent: 4887610 (1989-12-01), Mittal
patent: 4892101 (1990-01-01), Cheung et al.
patent: 4901731 (1990-02-01), Millar
patent: 4924877 (1990-05-01), Brooks
patent: 4966161 (1990-10-01), Wallace et al.
patent: 4975581 (1990-12-01), Robinson et al.
patent: 4976265 (1990-12-01), Falcial et al.
patent: 4981470 (1991-01-01), Bombeck, IV
patent: 4986671 (1991-01-01), Sun et al.
patent: 4991590 (1991-02-01), Shi
patent: 4996161 (1991-02-01), Conners et al.
patent: 5005584 (1991-04-01), Little
patent: 5007427 (1991-04-01), Suzuki et al.
patent: 5018529 (1991-05-01), Tenerz et al.
patent: 5022396 (1991-06-01), Watanabe
patent: 5025786 (1991-06-01), Siegel
patent: 5046497 (1991-09-01), Millar
patent: 5047627 (1991-09-01), Yim et al.
patent: 5054487 (1991-10-01), Clarke
patent: 5103835 (1992-04-01), Yamada et al.
patent: 5105812 (1992-04-01), Corman
patent: 5108364 (1992-04-01), Takezawa et al.
patent: 5117827 (1992-06-01), Stuebe et al.
patent: 5119498 (1992-06-01), McNeill et al.
patent: 5151598 (1992-09-01), Denen
patent: 5158083 (1992-10-01), Sacristan et al.
patent: 5184619 (1993-02-01), Austin
patent: 5199443 (1993-04-01), Maurer et al.
patent: 5207226 (1993-05-01), Bailin et al.
patent: 5280786 (1994-01-01), Wlodarczyk et al.
patent: 5291884 (1994-03-01), Heinemann et al.
patent: 5301673 (1994-04-01), Rabito et al.
patent: 5314804 (1994-05-01), Boguslaski et al.
"Clinical relevance of ambulatory 24-hour . . . ", Vogten, et al., 1987, pp. 21-31 in Netherlands Journal of Medicine.
"Computerized Axial Manometry of the Esophagus", Bombeck, et al. in Annals of Surgery, vol. 206, No. 4, pp. 465-472, Oct. 1987.
"The laser motility sensor for long-term study of intraesophageal pressure", Schneider et al., in Primary Motility Disorder of the Esophagus, Giuli et al., eds., pp. 64-69 1991.
Kim et al., American Journal of Clinical Pathology, 1990, vol. 94, pp. 187-191, "The Gastric Juice Urea and Ammonia ". . . .
Butcher et al., Digestion, 1992, vol. 53, pp. 142-148, "Use of an Ammonia Electrode for Rapid Quantification of Helicobacterpylori Urease: Its use in the Endoscopy Room and in the ". . . .
The New Yorker, Sep. 20, 1993, T. Monmaney, "Marshall's Hunch".
"Oesophageal multipurpose monitoring probe", Baker et al., Anaesthesia, 1983, vol. 38, pp. 892-897.
Digestive Diseases, Reprint, vol. 8, Suppl. 1, pp. 60-70, 1990.
Scarpignato et al., "Simultaneous Measurement and Recording . . . ".
Hojgaard et al., "A New Method for Measurement of the Electrical Potential Difference Across the Stomach Wall", 1991 pp. 847-858.
"Ambulatory Monitoring of Gastric Emptying", Hoeft et al., May 16, 1993, American Assoc. of the Study of Live Diseases.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Potential difference and perfusion pressure catheter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Potential difference and perfusion pressure catheter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Potential difference and perfusion pressure catheter will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1945044

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.