Method and apparatus for pressure measurement
AssigneePotrero Medical, Inc.
InventorsDaniel Rogers Burnett, Byron Reynolds, Brian M. Neil, Gregory W. Hall, Paul B. Guerra
Life of this patent
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Abstract
Methods and apparatus for measuring pressure in a patient are provided which may include any number of features. One feature is a pressure measurement system comprising a pressure source, a compliant bladder, a catheter in communication with the pressure source, pressure sensors, and a controller configured to determine a pressure within the compliant bladder. The pressure measurement system can inflate the compliant bladder with gas or air to determine a pressure within a patient. In one embodiment, the pressure measurement system measures pressure within a peritoneal cavity.
Claims31
A pressure measurement system, comprising:
- a catheter;
- a pressure lumen disposed in the catheter and coupled to a pressure source;
- a compliant bladder disposed on the catheter, the compliant bladder being in communication with the pressure lumen;
- a pressure sensor coupled to the pressure lumen and configured to receive a pressure signal from the compliant bladder via the pressure lumen;
- and
- a controller configured to receive the pressure signal from the pressure sensor and to control the pressure source to fill the compliant bladder with a volume of gas.
A method of measuring pressure in a patient, comprising:
- inserting a pressure measurement catheter into a patient;
- inflating a compliant bladder of the pressure measurement catheter with gas from a pressure source coupled to the compliant bladder;
- after the inflating step, removing gas from the compliant bladder so the compliant bladder is partially-inflated;
- and
- measuring a pressure of the compliant bladder with a pressure sensor coupled to the compliant bladder to determine a pressure within the patient.
A method of measuring pressure in a patient receiving therapeutic hypothermia, comprising:
- inserting a catheter into a peritoneal cavity of the patient;
- infusing a hypothermic fluid into the patient to achieve therapeutic hypothermia;
- and
- measuring a pressure of the peritoneal cavity with an air-filled pressure measurement balloon of the catheter.
Dependencies are inferred from the claim text.