APPARATUS AND METHOD FOR LORENTZ-ACTIVE SHEATH DISPLAY AND CONTROL OF SURGICAL TOOLS
First Claim
1. A medical apparatus to be used during an invasive surgery comprising:
- a sheath capable of deploying a multitude of medical tools and adapted for insertion into the body of a patient;
at least one electrode coupled to the sheath;
a position detection system coupled to the sheath capable of sensing said electrode coupled to the sheath;
a computer software program coupled to the position detection system capable of compensating for the unwanted motion of the sheath by subtracting said sheath motion from the motion of the sheath-hosted tool; and
a computer software program coupled to the position detection system capable of tracking the sheath'"'"'s progress through the surrounding tissue of a patient by means of fiducial alignment.
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Accused Products
Abstract
The Lorentz-Active Sheath (LAS) serves as a conduit for other medical devices such as catheters, balloons, biopsy needles, etc. The sheath is inserted through a vein or other body orifice and is guided into the area of the patient where the operation is to be performed. The position and orientation of the LAS is tracked via an industry standard position detection system which senses electrical signals that are emitted from several electrodes coupled to the LAS. The signals received from the LAS are used to calculate an accurate and reliable assessment of the actual position of the LAS within the patient. The electrode signals also serve to create a reference frame which is then used to act as a motion compensation filter and fiducial alignment system for the movement of the LAS-hosted medical tool.
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Citations
22 Claims
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1. A medical apparatus to be used during an invasive surgery comprising:
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a sheath capable of deploying a multitude of medical tools and adapted for insertion into the body of a patient; at least one electrode coupled to the sheath; a position detection system coupled to the sheath capable of sensing said electrode coupled to the sheath; a computer software program coupled to the position detection system capable of compensating for the unwanted motion of the sheath by subtracting said sheath motion from the motion of the sheath-hosted tool; and a computer software program coupled to the position detection system capable of tracking the sheath'"'"'s progress through the surrounding tissue of a patient by means of fiducial alignment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 17, 18)
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9. A method of tracking and compensating for medical tool motion during an invasive surgery within the body a patient comprising:
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inserting a medical sheath capable of deploying a multitude of medical tools comprising at least one electrode coupled to the sheath into an incision or other body orifice of the patient; detecting the position and orientation of the electrode using a position detection system; sending the data collected by the position detection system through a series of computer software subsystems that produce from a series of calculations a motion compensation filter for the sheath-hosted tool; and sending the data collected by the position detection system through a series of computer software subsystems that track the motion of the sheath and sheath-hosted tool by a means of fiducial alignment. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 19, 20)
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21. A medical apparatus to be used during an invasive surgery comprising:
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a sheath capable of deploying a multitude of medical tools and adapted for insertion into the body of a patient; at least one electrode coupled to the sheath; means for compensating for the unwanted motion of the sheath from the desired motion of the sheath-hosted tool; and means for tracking the sheath and sheath-hosted tool through the surrounding tissue of a patient by means of fiducial alignment. - View Dependent Claims (22)
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Specification