Medical system and a device based on microwave technology for prevention and diagnosis of diseases

Patent metadata

Field	Value
Publication number	US-11337618-B2
Application number	US-201716071130-A
Country	US
Kind code	B2
Filing date	Jan 13, 2017
Priority date	Jan 20, 2016
Publication date	May 24, 2022
Grant date	May 24, 2022

Abstract

The system comprising an internal unit (10) comprising two arrays of N transmitter and N receiver antennas (11R, 11T) for transmitting a microwave signal(s) to one or more body tissues of a patient and for detecting a scattered microwave signal(s) by said one or more body tissues; feeding and multiplexing means (12) in connection with said N transmitter and N receiver antennas (11T, 11R) and with an external computing unit (20) configured to receive said scattered microwave signal(s) and convert it/them into an image, wherein the feeding and multiplexing means (12) provide, under the control of a controller (21) of the external computing unit (20), a continuous sequential selection of different pairs of transmitter and receiver antennas (11T, 11R) to perform the transmission of the microwave signal(s) and the detection of the scattered microwave signal(s).

First claim

The invention claimed is:

1. A medical system based on microwave technology for prevention and diagnosis of diseases, said system comprising:
an internal unit which, in use, is introduced within a body passage of a patient, said internal unit including:
a first array of N transmitter antennas configured to transmit a first energy signal to one or more body tissues and a second array of N receiver antennas configured to detect a second energy signal scattered by the one or more body tissues, said first and second energy signals comprising microwave signals; and
feeding and multiplexing elements in connection with the N transmitter and N receiver antennas and with an external computing unit,

wherein the N transmitter and N receiver antennas and the feeding and multiplexing elements are arranged on a same electronic substrate having two faces, the N transmitter and N receiver antennas being positioned on one of said two faces and the feeding and multiplexing elements being positioned on the other face; and
said external computing unit which, in use, is located outside the body of the patient and connected with said internal unit to receive said second energy signal detected by said internal unit and to convert said received second energy signal into an image,

wherein the feeding and multiplexing elements are configured to provide, under the control of a controller that the external computing unit comprises, a continuous sequential selection of different pairs of transmitter and receiver antennas to perform the transmission of the microwave signal and the detection of the scattered microwave signal.

2. The system of claim 1 , wherein the feeding and multiplexing elements comprise a Radiofrequency switch and N Radiofrequency lines for each of said first and second arrays, such that each of the N transmitter antennas is connected to a first Radiofrequency switch using a first set of N Radiofrequency lines and each of the N receiver antennas is connected to a second Radiofrequency switch using a second set of N Radiofrequency lines.

3. The system of claim 1 , wherein the first array comprises at least two transmitter antennas and wherein the second array comprises at least two receiver antennas.

4. The system of claim 1 , wherein the controller of the external computing unit is configured to select at each continuous sequential selection a single pair of transmitter and receiver antennas.

5. The system of claim 1 , further comprising a protective shell configured to protect the first and second arrays and the feeding and multiplexing elements.

6. The system of claim 1 , wherein the external computing unit is connected through a wired connection to said feeding and multiplexing elements.

7. The system of claim 1 , wherein the external computing unit is connected through a wireless connection to said feeding and multiplexing elements.

8. The system of claim 1 , wherein the internal unit is of a cylindrical shape to be coupled to an endoscope tube.

Assignees

• Univ Pompeu Fabra
• Univ Catalunya Politecnica
• Hospital Clinic Barcelona
• Inst Catalana Recerca Estudis Avancats

Inventors

• González Ballester Miguel Angel
• Camara Rey Oscar
• Guardiola Garcia Marta
• Ceresa Mario
• Fernández Esparrach Maria Gloria
• Romeu Robert Jordi

Classifications

• A61B5/0507 Primary

  using microwaves or terahertz waves · CPC title

• A61B1/0008 Primary

  characterised by distal tip features · CPC title

• A61B5/6847

  mounted on an invasive device · CPC title

• A61B5/72

  Signal processing specially adapted for physiological signals or for diagnostic purposes · CPC title

• A61B5/6852

  Catheters · CPC title