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Application of automatic inflation/deflation device in OCT (Optical Coherence Tomography) endoscopic scanning imaging system

An automatic inflation and deflation, scanning and imaging technology, which is applied in applications, endoscopes, balloon catheters, etc., can solve the problems of slow inflation and deflation, and inaccurate control of inflation accuracy

Active Publication Date: 2015-07-29
MICRO TECH (NANJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its limitations are that the inflation accuracy cannot be accurately controlled, the inflation and deflation speed is slow, there are errors in the doctor's manual operation, and there is no overvoltage protection, etc.

Method used

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  • Application of automatic inflation/deflation device in OCT (Optical Coherence Tomography) endoscopic scanning imaging system
  • Application of automatic inflation/deflation device in OCT (Optical Coherence Tomography) endoscopic scanning imaging system
  • Application of automatic inflation/deflation device in OCT (Optical Coherence Tomography) endoscopic scanning imaging system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] An automatic inflation and deflation device used in an optical coherence tomography system (OCT), wherein the OCT system includes a frequency-sweeping laser module, an interference module, a detector module, a data acquisition module, a data processing module, an image display module, Actuators, OCT microprobes, balloon catheters and automatic inflation and deflation devices, such as figure 1 As shown, the automatic inflation and deflation equipment includes: a power supply part, a control and display part, an air pump and its control system part, and the air pump and its control system part include: an air pump, an inflation and deflation solenoid valve, a throttle valve, a pressure Sensors, explosion-proof pressure sensors, mechanical pressure switches. like figure 2 As shown, the use process of the automatic inflation and deflation equipment includes:

[0045] 1) Inflation process: firstly, the user sets parameters such as the air pressure and inflation time of th...

Embodiment 2

[0050] like image 3 As shown, an OCT endoscopic scanning imaging system includes a frequency-sweeping laser module, an interference module, a detector module, a data acquisition module, a data processing module, an image display module, an actuator, a balloon catheter, an OCT microprobe and such as figure 1 The inflation and deflation device shown, wherein,

[0051] The frequency-sweeping laser module includes a high-speed frequency-sweeping laser, a fiber isolator and a fiber coupler, which isolate the optical signal output from the frequency-sweeping laser from the subsequent optical path, preventing the optical signal returned by the subsequent optical path from interfering with the normal operation of the laser; the interference module A fiber-optic Mach-Zehnder interferometer (MZI) or a fiber-optic Michelson interferometer structure can be used. The Mach-Zehnder interferometer structure is mainly composed of two fiber couplers, two fiber circulators and two fiber polari...

Embodiment 3

[0053] An OCT endoscopic scanning imaging system, similar to Embodiment 2, the difference is that the OCT micro-probe such as Figure 4 and Figure 5 As shown: the single-mode optical fiber 1 is set in the spring tube 2. The spring tube effectively protects the fragile optical fiber and at the same time reduces the resistance when the probe rotates; The oblique combination of the single-mode fiber 1 can change the working distance of the OCT probe by changing the glued distance between the glass rod 3 and the two end faces of the single-mode fiber 1 to achieve the desired working distance, thereby improving the numerical aperture and lateral resolution of the OCT probe The reflector 5 is a cylindrical reflector and is packaged in the slotted stainless steel tube 6, and the reflective surface of the reflector 5 faces the slotted opening of the slotted stainless steel tube 6, so as to reduce the astigmatism of the light source passing through the cylindrical inner tube impact o...

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PUM

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Abstract

The invention provides an application of an automatic inflation / deflation device in an OCT (Optical Coherence Tomography) endoscopic scanning imaging system. The automatic inflation / deflation device comprises a control and display module, an air pump, an inflation / deflation solenoid valve, a pressure sensor, an anti-explosion pressure sensor and a mechanical pressure switch. According to the application of the automatic inflation / deflation device in the OCT endoscopic scanning imaging system, the automatic inflation / deflation device is used in the OCT endoscopic scanning imaging system, so operations of doctors of manually inflating / deflating balloons can be replaced, inflating / deflating time of doctors is shortened, safety is improved and the risk of explosion of the balloons caused by over-inflation is avoided.

Description

technical field [0001] The invention relates to an automatic inflation and deflation device, in particular to the application of the automatic inflation and deflation device to an optical coherence tomography system. Background technique [0002] Optical Coherence Tomography (OCT) has been widely used in the field of ophthalmology diagnosis. This technology is based on optics, electronics and computer technology science. A new imaging technology integrating many frontier disciplines, OCT has attracted people's attention due to its advantages such as high resolution and high speed imaging, and has begun to be valued and applied in the fields of biomedicine and clinical diagnosis. [0003] Compared with other imaging methods such as CT, ultrasound, and MRI, OCT has extremely high resolution. Compared with traditional laser confocal microscopes, OCT has obvious advantages in imaging depth. Most of the core technologies of traditional optical probes use optical fiber bundles fo...

Claims

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Application Information

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IPC IPC(8): A61B1/05
CPCA61B1/00006A61B1/00009A61B1/00045A61B1/00131A61B1/00165A61B1/00172A61B1/05A61B1/2733A61B2503/40A61M25/10A61B5/0066A61B5/6853A61B1/00082A61B1/00097A61B1/00148A61B1/00194
Inventor 刘辉奚杰峰高端贵常健王继伟张立婷李常青冷德嵘
Owner MICRO TECH (NANJING) CO LTD
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