System and method for determining implanted device positioning and obtaining pressure data
First Claim
1. A sense head system, comprising:
- (a) a housing;
(b) a plurality of orthogonal coils, the plurality of orthogonal coils comprising;
(i) a plurality of horizontal coils, and (ii) a plurality of vertical coils, wherein the plurality of orthogonal coils are configured to receive RF signals communicated from a source of RF energy, wherein the plurality of orthogonal coils are located within the housing;
(c) a needle window formed in the housing, wherein the needle window is configured to receive a syringe needle; and
(d) a user interface in communication with the plurality of orthogonal coils, wherein the user interface is configured to provide an indication to a user relating to the position of the needle window relative to a needle target located within a patient, wherein data indicative of the position of the needle window relative to the needle target is obtained using the plurality of horizontal coils.
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Accused Products
Abstract
A sense head comprises a plurality of coils and a needle window. The sense head is operable to receive RF signals communicated from a needle target such as an injection port located within a patient. A user interface is configured to visually display an indication to a user relating to the positioning and orientation of the sense head relative to the needle target. The positioning and orientation may be determined based on RF signals received by the coils in the sense head. With the sense head positioned based on information provided through the visual display, the user may insert a needle through the needle window to reach the needle target. The sense head may also receive communications relating to the pressure of fluid in an implanted device. The user interface may further display information relating to the fluid pressure in the implanted device.
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Citations
20 Claims
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1. A sense head system, comprising:
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(a) a housing;
(b) a plurality of orthogonal coils, the plurality of orthogonal coils comprising;
(i) a plurality of horizontal coils, and (ii) a plurality of vertical coils, wherein the plurality of orthogonal coils are configured to receive RF signals communicated from a source of RF energy, wherein the plurality of orthogonal coils are located within the housing;
(c) a needle window formed in the housing, wherein the needle window is configured to receive a syringe needle; and
(d) a user interface in communication with the plurality of orthogonal coils, wherein the user interface is configured to provide an indication to a user relating to the position of the needle window relative to a needle target located within a patient, wherein data indicative of the position of the needle window relative to the needle target is obtained using the plurality of horizontal coils. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A system for positioning a needle and obtaining pressure data, the system comprising:
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(a) a sense head, wherein the sense head comprises;
(i) a housing, (ii) a plurality of receiving coils operable to receive RF signals communicated from a source of RF energy, wherein the coils are located within the housing, (iii) a needle window formed through the housing, wherein the needle window is configured to receive a needle, and (iv) a telemetry coil configured to receive pressure data obtained from a pressure sensor configured to sense the pressure of a fluid within a patient; and
(b) a display device in communication with the sense head, wherein the display device is configured to provide an indication to a user relating to the position of the needle window over a needle target, wherein data indicative of the position of the needle window over the needle target is obtained using the plurality of receiving coils, wherein the display device is further configured to process the pressure data. - View Dependent Claims (16, 17, 18)
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19. A method for selecting a location for inserting a needle into a patient, the method comprising:
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(a) providing a sense head, wherein the sense head comprises;
(i) a housing, (ii) a plurality of receiving coils operable to receive RF signals communicated from a source of RF energy, wherein the coils are located within the housing, and (iii) a needle window formed through the housing, wherein the needle window is configured to receive a needle;
(b) placing the sense head adjacent to a patient, wherein the patient has an implanted restriction system, the implanted restriction system comprising (i) an injection port, wherein the injection port comprises one or more telemetry coils, wherein at least one of the one or more coils is the source of RF energy, (ii) a restriction device operable to adjustably form a restriction within the patient, (iii) a fluid, wherein the fluid is located in the injection port and in the restriction device, and (iv) a pressure sensor operable to capture data indicative of the pressure of the fluid;
(c) positioning the sense head substantially over the injection port, wherein the act of positioning the sense head over the injection port comprises monitoring RF signals received by the plurality of receiving coils to determine the position of the sense head relative to the injection port; and
(d) inserting a needle through the needle window into the injection port. - View Dependent Claims (20)
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Specification