Title:
【発明の名称】食道括約筋のコンプライアンス測定装置
Document Type and Number:
Japanese Patent JP2003527918
Kind Code:
A
Abstract:
An apparatus and method are disclosed for measuring the compliance of the lower esophageal sphincter (LES), the apparatus comprises a catheter having a plurality of extendable members disposed therealong for both measuring the compliance of the LES and stimulating the esophagus which relaxes the LES to obtain a more clinically relevant measurement of LES compliance. In one embodiment, the plurality of extendable members include a first balloon which is located and inflated within the esophagus to trigger esophageal motility, a second, non-elastic balloon that is positioned within the LES, and a third balloon which is inflated within the stomach to help align the second balloon with LES. Incrementally increasing volumes of air are introduced into the second balloon, with the resulting pressures exerted by the LES calculated and compared to normative values to assess the condition of the LES.
Inventors:
Shaker razor
Application Number:
JP2001570185A
Publication Date:
September 24, 2003
Filing Date:
March 27, 2001
Export Citation:
Assignee:
Wilson-Cook Medical Inc.
International Classes:
A61B5/00; A61B5/03; A61B10/00; A61B17/12; A61F2/958; (IPC1-7): A61B5/00; A61B10/00
Domestic Patent References:
| JPH08512213A | 1996-12-24 | |||
| JPH08126613A | 1996-05-21 | |||
| JPH05177001A | 1993-07-20 | |||
| JPS57103624A | 1982-06-28 | |||
| JPH09507128A | 1997-07-22 |
Attorney, Agent or Firm:
Minoru Nakamura (9 outside)