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Implantation-grade sensor monitoring probe

A technology for monitoring probes and sensors, which is applied in the fields of sensors, diagnostic recording/measurement, medical science, etc. It can solve the problems of lack of probe shell design, reduce the difficulty of manufacturing process, reduce production cost, and improve the effect of electrical safety factor

Pending Publication Date: 2019-05-31
CHINA ELECTRONICS TECH GRP CORP CHONGQING ACOUSTIC OPTIC ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to meet the requirements of minimally invasive clinical operations, it is necessary to place tiny pressure sensors and temperature sensors in the probe shell at the same time and lead them out with wires. However, there is currently no corresponding probe shell design on the market.

Method used

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  • Implantation-grade sensor monitoring probe

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Experimental program
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Effect test

Embodiment 1

[0020] The present invention proposes an implantable sensor monitoring probe, which is used to place temperature sensors and pressure sensors; it includes a housing 1; the front end of the housing 1 is provided with an arc-shaped closing port 2; the rear end of the housing 1 is a nozzle 3; a rectangular groove 4 is provided inwardly in the middle of the housing 1; a metal pad 40 is sputtered on the bottom of the rectangular groove; a space with the same shape as the housing is between the rectangular groove and the nozzle at the rear end of the housing cavity.

[0021] The placement of the pressure sensor 41 includes connecting the pressure sensor pad in the rectangular groove with the metal pad 40 through the spot welding wire 42 by means of wire bonding.

[0022] The temperature sensor 51 is placed outside the nozzle 3 and welded through the enameled wire 43, and then sent into the cavity 5 of the monitoring probe after being coated with glue for protection.

[0023] The th...

Embodiment 2

[0028] In order to meet the requirements of minimally invasive clinical operations, in this embodiment, a pressure sensor of 0.9mm×0.4mm×0.3mm and a temperature sensor of 0.4mm×0.4mm×0.25mm should be placed in the probe shell at the same time, and lead out with wires. Based on this, the present embodiment designs a kind of diameter 0.8mm, the probe shell of length 4mm, as figure 1 shown.

[0029] In this embodiment, the casing 1 is set to be cylindrical, and the monitoring probe includes a cylindrical casing 1; the front end of the cylindrical casing 1 is provided with an arc-shaped closing port 2; the cylindrical casing The rear end is a nozzle; the middle part of the housing is provided with a rectangular groove 4 inward; a metal pad 40 is sputtered at the bottom of the rectangular groove; a circle is formed between the rectangular groove 4 and the nozzle 3 at the rear end of the housing Cylindrical cavity 5.

[0030] The main body of the cylindrical housing 1 of this embo...

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Abstract

The invention belongs to the technical field of moulds, and particularly relates to an implantation-grade sensor monitoring probe. The implantation-grade sensor monitoring probe is used for placing atemperature sensor and a pressure sensor. The monitoring probe comprises a shell; a cambered in-going opening is formed in the front end of the shell; a pipe opening is formed in the rear end of the shell; a rectangular groove is formed inwards in the middle of the shell; a metal bonding pad is arranged on the bottom of the rectangular groove through sputtering; a cavity with the shape identical to that of the shell is formed between the rectangular groove and the pipe opening in the rear end of the shell. The probe is made from a PEEK material with biocompatibility, and while the functions ofa conventional titanium alloy shell are met, the probe making process difficulty is greatly reduced; the probe is made by using an opening mould, so that the production cost is greatly reduced. Besides, the PEEK material is insulated, the risks of sensor encapsulation and short circuit of electrodes and wires in the using process are reduced, and the electric safety factor of an implanted part isimproved.

Description

technical field [0001] The invention belongs to the technical field of moulds, and in particular relates to an implant-level sensor monitoring probe, which is used for placing temperature sensors and pressure sensors. Background technique [0002] In clinical practice, it is often necessary to implant sensors into the human body to monitor tissue temperature, pressure, blood oxygen and other physiological parameters. Due to the requirements of medical regulations, devices or materials implanted into the human body need to meet biocompatibility. As the peripheral fixture of the sensor, the probe shell needs to have rigidity requirements. Titanium alloy TC4 is a relatively commonly used material, but TC4 itself is difficult to machine, especially for the purpose of minimally invasive, the size is often very small, and it is even larger. manufacturing difficulty. In addition, titanium alloy is a conductor. In order to prevent short-circuit leakage of the probe shell, it is ne...

Claims

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Application Information

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IPC IPC(8): A61B5/00
Inventor 王露王音心李军曾祥豹王浩张祖伟袁宇鹏
Owner CHINA ELECTRONICS TECH GRP CORP CHONGQING ACOUSTIC OPTIC ELECTRONICS CO LTD