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1. WO2020197781 - SYSTEM AND METHOD FOR REAL-TIME HUMIDITY AND TEMPERATURE SENSING TO VERIFY PROPER NASOGASTRIC TUBE PLACEMENT

Publication Number WO/2020/197781
Publication Date 01.10.2020
International Application No. PCT/US2020/022324
International Filing Date 12.03.2020
IPC
A61B 5/01 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
01Measuring temperature of body parts
A61B 5/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
A61J 15/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
15Feeding-tubes for therapeutic purposes
CPC
A61B 5/01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Detecting, measuring or recording for diagnostic purposes
01Measuring temperature of body parts; ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
A61B 5/6852
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Detecting, measuring or recording for diagnostic purposes
68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
6846specially adapted to be brought in contact with an internal body part, i.e. invasive
6847mounted on an invasive device
6852Catheters
A61B 5/687
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Detecting, measuring or recording for diagnostic purposes
68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
6846specially adapted to be brought in contact with an internal body part, i.e. invasive
6867specially adapted to be attached or implanted in a specific body part
687Oesophagus
A61B 5/6871
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Detecting, measuring or recording for diagnostic purposes
68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
6846specially adapted to be brought in contact with an internal body part, i.e. invasive
6867specially adapted to be attached or implanted in a specific body part
6871Stomach
A61J 15/0003
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
15Feeding-tubes for therapeutic purposes
0003Nasal or oral feeding-tubes, e.g. tube entering body through nose or mouth
A61J 15/0015
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
15Feeding-tubes for therapeutic purposes
0015Gastrostomy feeding-tubes
Applicants
  • AVENT, INC. [US]/[US]
Inventors
  • MEADOWS, Vernon
  • MOELLER, Preston A.
  • MCMICHAEL, Donald
  • ROBERTS, Anthony D.
Agents
  • RICHMOND, Allison L.
  • BONDURA, Stephen, E.
Priority Data
16/364,36226.03.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM AND METHOD FOR REAL-TIME HUMIDITY AND TEMPERATURE SENSING TO VERIFY PROPER NASOGASTRIC TUBE PLACEMENT
(FR) SYSTÈME ET PROCÉDÉ DE DÉTECTION D'HUMIDITÉ ET DE TEMPÉRATURE EN TEMPS RÉEL POUR VÉRIFIER LE PLACEMENT CORRECT D'UNE SONDE NASOGASTRIQUE
Abstract
(EN)
A tubing assembly for use in conjunction with electronic catheter guidance systems is provided and includes a catheter and a sensor. The catheter extends in a longitudinal direction and has a proximal end and a distal end that define a lumen therebetween. Further, the catheter is configured for placement within a digestive tract of a patient. The sensor includes a temperature sensor, relative humidity sensor, or both, and can be located within the lumen of the catheter or in an air sampling chamber connected to the catheter. The sensor can communicate with a processor to deliver temperature and/or relative humidity readings to a display device. A constant temperature or relative humidity profile, or both after a pre-determined amount of time can indicate placement of the catheter in the digestive tract. A catheter guidance system and a method for accurately placing a catheter in the digestive tract are also provided.
(FR)
La présente invention concerne un ensemble tube qui est destiné à être utilisé conjointement avec des systèmes de guidage de cathéter électroniques et qui comprend un cathéter et un capteur. Le cathéter s'étend dans une direction longitudinale et comporte une extrémité proximale et une extrémité distale qui définissent une lumière entre elles. En outre, le cathéter est conçu pour être placé à l'intérieur du tube digestif d'un patient. Le capteur comprend un capteur de température, un capteur d'humidité relative, ou les deux, et peut être situé à l'intérieur de la lumière du cathéter ou dans une chambre d'échantillonnage d'air reliée au cathéter. Le capteur peut communiquer avec un processeur pour fournir des relevés de température et/ou d'humidité relative à un dispositif d'affichage. Un profil de température constante ou d'humidité relative, ou les deux après un laps de temps prédéfini, peuvent indiquer le placement du cathéter dans le tube digestif. L'invention concerne également un système de guidage de cathéter et un procédé permettant de placer avec précision un cathéter dans le tube digestif.
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