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In vivo wireless sensing system based on cardiovascular stent

A cardiovascular and wireless sensing technology, applied in the direction of radio detectors, stents, cardiac catheters, etc. in the body, to achieve real-time blood pressure monitoring, easy implantation into the human body, and rapid and timely blood pressure status effects

Pending Publication Date: 2015-12-30
SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, there is no solution for such devices, especially the need for special antennas and power supplies for micro-devices, sensors, etc. in the blood vessel

Method used

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  • In vivo wireless sensing system based on cardiovascular stent
  • In vivo wireless sensing system based on cardiovascular stent
  • In vivo wireless sensing system based on cardiovascular stent

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Embodiment Construction

[0023] Embodiments of the present invention will be described in detail below. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0024] refer to figure 1 , according to an embodiment of the present invention, a wireless sensing circuit system based on a cardiovascular stent includes a cardiovascular stent 1001, a radio frequency transceiver circuit module 1004, and a pressure sensor 1002, wherein the radio frequency transceiver circuit module 1004 and the pressure sensor 1002 are installed on the heart vessel on bracket 1001. Cardiovascular stent 1001 not only serves as a vascular stent, but also serves as an antenna of a circuit system to realize energy and information exchange with the outside world.

[0025] The radio frequency transceiver circuit module 1004 is connected to the cardiovascular stent 1001 , and the pressure sensor 1002 is preferably connected to the radio fre...

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Abstract

The invention discloses an in vivo wireless sensing system based on a cardiovascular stent. The in vivo wireless sensing system comprises the cardiovascular stent, a radio frequency transceiver circuit module mounted on the cardiovascular stent and a pressure sensor, wherein the cardiovascular stent is used as the vascular stent and an antenna of the system at the same time, so as to achieve energy and information interaction with the outside; the pressure sensor is used for collecting blood pressure data in blood vessels; the radio frequency transceiver circuit module codes, modulates, outputs and sends the data information obtained by the pressure sensor to the cardiovascular stent, and sends a wireless signal outwards by adopting the cardiovascular stent as the antenna; the radio frequency transceiver circuit module also receives an external signal received by the cardiovascular stent, and interprets the external signal. According to the in vivo wireless sensing system, a special antenna structure is not needed, so that the system is conveniently implanted into human bodies; besides, as real-time blood pressure monitoring is realized, patients and medical staff can quickly and timely know the blood pressure state.

Description

technical field [0001] The invention relates to an in vivo wireless sensing system based on a heart vessel stent. Background technique [0002] Cardiovascular stents are implanted at lesion sites on the basis of lumen balloon expansion to achieve the purpose of supporting stenotic and occluded blood vessels, reducing elastic recoil and remodeling of blood vessels, and maintaining smooth blood flow in the lumen. bracket structure. [0003] In 2013, my country's annual cardiovascular embolism interventional stent surgery reached 600,000 cases, and maintained an annual growth rate of more than 35%. However, 6-8 months after interventional stent treatment, patients may experience cardiovascular restenosis or even reocclusion at the site of stent implantation. At present, apart from complex and expensive methods such as thermal imaging, echocardiography, angiography, and CT, there is no good solution. In recent years, it has been proposed that the detection can be achieved by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/82A61B5/021A61B5/07
Inventor 任勇李灿李亮
Owner SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV
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