Blood pressure sensor apparatus
First Claim
1. A method for measuring blood pressure, the method comprising the steps of:
- providing an implantable sensor for measuring blood pressure in a blood vessel through a blood vessel wall, the implantable sensor comprising;
a main body having an implant inductor;
a probe having a neck portion extending outwardly from the main body to a conical locking flange, the conical locking flange having a diameter that is larger than the neck portion and being shaped to penetrate through and then lockingly engage the blood vessel wall;
a terminus of the conical locking flange forming an aperture that is covered with a flexible membrane that defines an internal chamber, the internal chamber being filled with a biocompatible fluid; and
a capacitor electronically connected to the implant inductor and operatively positioned adjacent the internal chamber for measuring pressure within the blood vessel by measuring the pressure of the biocompatible fluid; and
positioning the implantable sensor adjacent the blood vessel such that probe extends through the blood vessel wall and into the blood vessel such that the conical locking flange lockingly engages the blood vessel wall.
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Abstract
A method for measuring blood pressure utilizes an implantable sensor for measuring blood pressure. The implantable sensor has a main body having an implant inductor; a probe having a neck portion extending outwardly from the main body to a conical locking flange; a terminus of the conical locking flange forming an aperture that is covered with a flexible membrane that defines an internal chamber that is filled with a biocompatible fluid; and a capacitor electronically connected to the implant inductor and operatively positioned adjacent the internal chamber. The implantable sensor is positioned adjacent a blood vessel such that the probe extends through a blood vessel wall such that the conical locking flange lockingly engages the blood vessel wall.
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Citations
5 Claims
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1. A method for measuring blood pressure, the method comprising the steps of:
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providing an implantable sensor for measuring blood pressure in a blood vessel through a blood vessel wall, the implantable sensor comprising;
a main body having an implant inductor;
a probe having a neck portion extending outwardly from the main body to a conical locking flange, the conical locking flange having a diameter that is larger than the neck portion and being shaped to penetrate through and then lockingly engage the blood vessel wall;
a terminus of the conical locking flange forming an aperture that is covered with a flexible membrane that defines an internal chamber, the internal chamber being filled with a biocompatible fluid; and
a capacitor electronically connected to the implant inductor and operatively positioned adjacent the internal chamber for measuring pressure within the blood vessel by measuring the pressure of the biocompatible fluid; and
positioning the implantable sensor adjacent the blood vessel such that probe extends through the blood vessel wall and into the blood vessel such that the conical locking flange lockingly engages the blood vessel wall. - View Dependent Claims (2, 3, 4)
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5. A method for measuring blood pressure, the method comprising the steps of:
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providing an implantable sensor having a probe for sensing pressure at a terminus of the probe, the probe having a neck portion extending outwardly from a main body to a conical locking flange, the conical locking flange having a diameter that is larger than the neck portion and being shaped to penetrate through and then lockingly engage a blood vessel wall;
positioning the implantable sensor adjacent a blood vessel such that the probe extends through the blood vessel wall and the terminus is located within the blood vessel; and
measuring the blood pressure within the blood vessel using the implantable sensor.
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Specification