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A non-contact microwave-based intraoperative real-time flap thickness monitoring system

A non-contact, thickness monitoring technology, used in surgery, medical science, diagnosis, etc., can solve the problems of the incision is far from the operation site, and the naked eye cannot directly observe and measure, achieving a simple structure, low cost, and simple measurement method. Effect

Active Publication Date: 2022-03-04
倪超
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the process of some endoscopic surgery (such as laparoscopic breast surgery), because it is necessary to keep a certain thickness of the skin flap to prevent postoperative ischemic necrosis, it is necessary to know the distance between the subcutaneous scalpel and the epidermis, but Due to the occlusion of the epidermis, the incision is too far away from the operation site, and the naked eye cannot directly observe and measure

Method used

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  • A non-contact microwave-based intraoperative real-time flap thickness monitoring system
  • A non-contact microwave-based intraoperative real-time flap thickness monitoring system
  • A non-contact microwave-based intraoperative real-time flap thickness monitoring system

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0023] Such as Figure 1-6 As shown, a non-contact microwave-based intraoperative real-time flap thickness monitoring system includes a patch antenna and a vector network analyzer. The patch antenna from the top layer to the bottom layer is the top metal layer, the medium layer, and the bottom metal layer. The patch antenna also has an input port for connecting to the SMA connector, the input port is connected to the top metal layer, and the input port is connected to the vector network analyzer through a coaxial cable, wherein the top metal layer is grooved with a metal patch. In this embodiment, the dielectric layer is a square PCB board, and the material is

[0024] F4B, the dielectric constant is 2.65, the loss tangent is 0.017, and the patch antenna is a 9.8GHz patch antenna.

[0025] The purpose of this monitoring system is mainly to monitor ...

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Abstract

The invention discloses a microwave non-contact intraoperative real-time skin flap thickness monitoring system and its calculation method, including a patch antenna and a vector network analyzer, and the patch antenna is the top metal layer, the bottom layer, and the bottom layer in turn. The medium layer and the bottom metal layer, the patch antenna also has an input port for connecting to the SMA connector, the input port is connected to the vector network analyzer through a connection line, wherein the top metal layer is grooved with a metal patch . The real-time skin flap thickness monitoring system based on microwave non-contact has a simple structure and low cost, and can penetrate into human tissue without damaging the epidermis and muscle tissue. The relationship is used to measure the thickness of the skin flap.

Description

Technical field: [0001] The invention relates to the interdisciplinary fields of microwave, radio frequency and biomedical equipment, in particular to a monitoring system and a calculation method for measuring distance based on the relationship between electric field phase and wavelength. Background technique: [0002] In recent years, radio frequency circuits and microwave technology are developing rapidly, and gradually penetrate into various civilian fields, such as medical equipment. Microwave technology plays a relatively important role in medical diagnosis. A large number of microwave medical equipment is being used clinically in hospitals. At the same time, many new microwave medical equipment are also being developed. It can be said that microwave has penetrated into all aspects of the medical field. [0003] In the process of some endoscopic surgery (such as laparoscopic breast surgery), because it is necessary to keep a certain thickness of the skin flap to prevent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B90/00
CPCA61B90/06A61B2090/061
Inventor 倪超
Owner 倪超
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