Esophageal Ablation Technology
AssigneeSymple Surgical, Inc.
InventorsSeth CROZIER, Sohail DESAI, Dan KASPRYZK, Bryce Alexander IGO
Life of this patent
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Abstract
An esophageal ablation system including a positioner, an elongated, flexible shaft extending from the positioner, and a microwave emitter assembly disposed near the distal end of the shaft. The emitter assembly includes one or more microwave antennae and a balloon for spacing the antennae relative to target tissue. The device may have an inner balloon for deploying the antenna. The systems, devices and methods disclosed are useful for treating Barrett's Esophagus, Esophageal Adenocarcinoma, and Squamous Cell Carcinoma.
Claims26
An microwave thermal ablation system for human medical therapy, comprising:
- a microwave generator;
- at least one microwave emitter communicatively connected to the microwave generator, the microwave emitter being adapted to being inserted into the body of a patient;
- a medical balloon inflation means;
- and
- a positioning balloon connected to the balloon inflation means and to the at least one microwave emitter for holding the at least one microwave emitter in a desired position relative to a target tissue or tissues within the body of a patient.
An microwave thermal ablation system for use in treating Barrett's Esophageal cells via non-contact dielectric heating, comprising:
- a. a microwave generator for providing 915 MHz to 20 GHz microwave energy;
- b. at least one microwave emitter communicatively connected to the microwave generator, the microwave emitter being adapted to being inserted into the body of a patient;
- c. a medical balloon inflation means;
- d. a positioning balloon connected to the balloon inflation means and to the at least one microwave emitter for holding the at least one microwave emitter in a desired position relative to a target tissue or tissues within the body of a patient, the positioning balloon being disposed around the at least one microwave emitter;
- and
- e. a catheter shaft including:
- (i) at least power line electrically connecting the microwave generator and the at least one microwave generator, and
- (ii) at least one lumen communicatively fluidly connecting the balloon inflation means and the positioning balloon,
- the at least one microwave emitter and the positioning balloon being coupled to the catheter shaft at a predetermined position, the catheter shaft being adapted to being inserted into the body of a patient and for translating the at least one microwave emitter and the positioning balloon within and through the patient's body.
A microwave thermal ablation method for human medical therapy, comprising the steps of:
- a. providing a system including
- i. a microwave generator;
- ii. at least one microwave emitter communicatively connected to the microwave generator, the microwave emitter being adapted to being inserted into the body of a patient;
- iii. a medical balloon inflation means;
- iv. a positioning balloon connected to the balloon inflation means and to the at least one microwave emitter for holding the at least one microwave emitter in a desired position relative to a target tissue or tissues within the body of a patient;
- and
- v. wherein the positioning balloon is disposed on a catheter having at least one lumen for power connection between the microwave generator and the at least one microwave emitter, and fluid communication between the balloon inflation means and the positioning balloon;
- b. inserting the catheter into a patient's body with the balloon in an uninflated state,
- c. moving the at least one microwave emitter and surrounding positioning balloon to a desired position near target tissue that is to be thermally ablated,
- d. inflating the positioning balloon to a desired diameter, thereby holding the at least one microwave emitter in a fixed position near the target tissue by the positioning balloon, and
- e. delivering microwave power from the microwave generator to the at least one microwave for a predetermined period of time, at a predetermined frequency and at a predetermined phase.
Dependencies are inferred from the claim text.