Catheter locating device
Endotracheal tube control device
Probe for sensing characteristics of electrical devices utilizing a magnetic switch sensor biased by an encircling magnetic biasing means
Method of and apparatus for determining very accurately the position of a device inside biological tissue
Endotracheal catheter Patent #: 4593687
ApplicationNo. 679539 filed on 04/02/1991
US Classes:128/897, MISCELLANEOUS128/200.26, Means placed in body opening to facilitate insertion of breathing tube128/205.23, Indicator structure128/207.14, Respiratory gas supply means enters mouth or tracheotomy incision128/207.15, Breathing passage occluder600/424, With means for determining position of a device placed within a body600/585Flexible catheter guide
ExaminersPrimary: Howell, Kyle L.
Assistant: Lacyk, John P.
Attorney, Agent or Firm
International ClassA61B 019/00
AbstractAn apparatus for determining the optimum position of an endotracheal tube while allowing simultaneous ventilation of a patient with the endotracheal tube is disclosed. This apparatus contains a stylet, connecting means for adjustably and removably disposing the stylet within an endotracheal tube, means attached to the stylet for producing magnetic flux, and means for sensing the presence of magnetic flux.