CN209932671U - Endoscope microscopic imaging optical fiber probe - Google Patents
Endoscope microscopic imaging optical fiber probe Download PDFInfo
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- CN209932671U CN209932671U CN201821803477.3U CN201821803477U CN209932671U CN 209932671 U CN209932671 U CN 209932671U CN 201821803477 U CN201821803477 U CN 201821803477U CN 209932671 U CN209932671 U CN 209932671U
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- infrared
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- fiber bundle
- probe shell
- infrared heating
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Abstract
The utility model relates to a microscopic imaging fiber probe of endoscope, be columniform metal probe shell, multi beam including the outline and be used for conducting infrared conduction fiber bundle, infrared laser, be equipped with a plurality of columniform infrared heating chamber in the metal probe shell, the exit end fixed mounting of infrared conduction fiber bundle is in the entrance in infrared heating chamber, multi beam the exit port at infrared laser is fixed to the incident end of infrared conduction fiber bundle. The utility model has the advantages that: through set up a plurality of infrared heating chambers in the metal probe shell, be connected infrared laser ware and infrared heating chamber with infrared conduction fiber bundle for the infrared ray of infrared laser ware transmission is conducted in infrared heating chamber through infrared conduction fiber bundle, and the infrared ray is constantly reflected and is absorbed by infrared heating chamber lateral wall, thereby realizes heating the metal probe shell, makes the metal probe shell can both heat before getting into the human body and in getting into the human body.
Description
Technical Field
The utility model relates to an optical fiber probe field especially relates to a microscopic imaging optical fiber probe of endoscope.
Background
Modern medicine advocates more and more noninvasive and nondestructive disease diagnosis and treatment, can greatly relieve the pain of patients and improve the diagnosis efficiency. The traditional endoscope is used as an important tool for clinical medical diagnosis and is widely applied to diseases such as lung cancer, gastric cancer, colorectal cancer, cervical cancer and the like. In recent years, with the development of optical fiber systems, camera systems, illumination systems and acquisition systems, endoscopes play an increasingly important role in clinic due to the advantages of small trauma, high accuracy and the like.
The optical fiber probe of the endoscope is usually provided with a metal probe shell for installing and fixing the optical fiber tail end, a lens, a prism and other optical components, the temperature of the metal probe shell is obviously lower than the temperature of a human body in the natural environment, if the optical fiber probe which is not heated directly enters the human body, the stress reaction of the human body is easily caused, the discomfort of the human body is caused, and the optical fiber probe is also prevented from reaching the part to be detected. And when the metal probe shell is in the human body, the metal probe shell has to absorb heat from the human body to maintain the temperature of the metal probe shell to be the same as the temperature of the human body, so that when the metal probe shell stays at a certain part in the human body, the part where the metal probe shell is located has a cool feeling due to heat dissipation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above problems existing in the prior art and provide an endoscope microscopic imaging optical fiber probe.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
the utility model provides a microscopic imaging fiber probe of endoscope, is columniform metal probe shell, multi-beam infrared conduction fiber bundle, the infrared laser ware that is used for conducting the infrared ray including the outline, be equipped with a plurality of columniform infrared heating chamber in the metal probe shell, the exit end fixed mounting of infrared conduction fiber bundle is at the entrance in infrared heating chamber, the multi-beam the exit port at the infrared laser ware is fixed to the incident end of infrared conduction fiber bundle.
Furthermore, the bottom of the infrared heating cavity is provided with a reflecting table of a cone or a hemisphere, and the reflecting table and the infrared heating cavity are coaxial.
Further, metal probe shell center is equipped with the circular through-hole that is used for installing illumination fiber bundle and macro field of vision detection fiber bundle, one side that is located circular through-hole in the metal probe shell is equipped with the cylindrical recess that is used for installing micro field of vision detection fiber bundle, one side of metal probe shell is equipped with the daylighting mouth that is linked together with cylindrical recess, and is a plurality of infrared heating chamber is located around the circular through-hole.
Furthermore, an infrared reflection film is respectively stuck on the inner side walls of the circular through hole and the cylindrical groove.
Furthermore, the circular through hole and the metal probe shell are coaxial, the central axis of the cylindrical groove is parallel to the central axis of the metal probe shell, the central axis of the daylight opening is vertically intersected with the central axis of the cylindrical groove, and the central axis of the infrared heating cavity is parallel to the central axis of the metal probe shell.
Furthermore, a polytetrafluoroethylene coating is coated on the outer side of the metal probe shell.
The utility model has the advantages that: through set up a plurality of infrared heating chambers in the metal probe shell, be connected infrared laser ware and infrared heating chamber with infrared conduction fiber bundle for the infrared ray of infrared laser ware transmission is conducted in infrared heating chamber through infrared conduction fiber bundle, and the infrared ray is constantly reflected and is absorbed by infrared heating chamber lateral wall, thereby realizes heating the metal probe shell, makes the metal probe shell can both heat before getting into the human body and in getting into the human body.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a cross-sectional view of a portion of an optical fiber probe according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a metal probe shell according to a first embodiment of the present invention, as viewed from the rear;
fig. 3 is a cross-sectional view of a metal probe housing according to a first embodiment of the present invention;
fig. 4 is a cross-sectional view of a metal probe housing according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, 2, and 3, in a first embodiment, an endoscope microscopic imaging optical fiber probe includes a metal probe housing 1 with a cylindrical outer contour, seven infrared conductive optical fiber bundles 6 for conducting infrared rays, and an infrared laser (not shown in the figure), and because the metal probe housing has a small volume and is convenient for power supply, the existing infrared laser with low-power direct current power supply can be selected, seven cylindrical infrared heating cavities 2 are arranged in the metal probe housing 1, the exit ends of the infrared conductive optical fiber bundles 6 are fixedly mounted at the inlets of the infrared heating cavities 2, and the entrance ends of the seven infrared conductive optical fiber bundles 6 are fixed at the exit ports of the infrared laser.
Through set up seven infrared heating chamber 2 in metal probe shell 1, be connected infrared laser instrument and infrared heating chamber 2 with infrared conduction fiber bundle 6 for the infrared ray of infrared laser instrument transmission is in infrared heating chamber 2 through infrared conduction fiber bundle 6 conduction, and the infrared ray is constantly reflected and is absorbed by infrared heating chamber 2 lateral wall, thereby realizes heating metal probe shell 1, makes metal probe shell 1 can both heat before getting into the human body and in getting into the human body.
The bottom of the infrared heating cavity 2 is provided with a hemispherical reflecting table 14, and the reflecting table 14 is coaxial with the infrared heating cavity 2. The reflecting table 14 changes the infrared rays emitted to the bottom of the infrared heating cavity 2 along the axial direction thereof, so that the infrared rays emitted along the axial direction of the infrared heating cavity 2 are reflected to the side wall of the infrared heating cavity 2, and the infrared rays emitted along the axial direction of the infrared heating cavity 2 are prevented from being directly reflected back to the infrared conduction optical fiber bundle 6.
The center of the metal probe shell 1 is provided with a circular through hole 3 for installing an illumination optical fiber bundle 7 and a macro-visual field detection optical fiber bundle 8, the circular through hole 3 and the metal probe shell 1 share the same axis, one side of the metal probe shell 1, which is positioned at the circular through hole 3, is provided with a cylindrical groove 4 for installing a micro-visual field detection optical fiber bundle 9, one side of the metal probe shell 1 is provided with a lighting port 5 communicated with the cylindrical groove 4, the central axis of the cylindrical groove 4 is parallel to the central axis of the metal probe shell 1, the central axis of the lighting port 5 is vertically intersected with the central axis of the cylindrical groove 4, seven infrared heating cavities 2 are positioned around the circular through hole 3, and the central axis of the infrared heating cavities 2 is parallel to the.
An illumination optical fiber bundle 7 and a macro-field detection optical fiber bundle 8 are arranged in a circular through hole 3, the illumination optical fiber bundle 7 surrounds the periphery of the macro-field optical fiber bundle 8, a micro-penetration A10 is arranged at the front end of the macro-field detection optical fiber bundle 8, the other end of the illumination optical fiber bundle 7 is in butt joint with a cold light source light emitting opening, the macro-field detection optical fiber bundle 8 is coupled with a CCD sensor A, the micro-field detection optical fiber bundle 9 is arranged in a cylindrical groove 4, the micro-field detection optical fiber bundle 9 is coupled with a CCD sensor B, a prism 12 is arranged at the intersection of the cylindrical groove 4 and a light collecting opening 5, a right-angle side end of the prism 12 faces the outside of the light collecting opening 5, the other right-angle side end of the prism 12 faces the micro-field detection optical fiber bundle 9, a micro lens B11 is arranged between the micro-field detection optical fiber bundle 9 and the prism 12, when the optical fiber probe works, the light emitted by a cold light source, the macro-field detection fiber bundle 8 conducts the macro-field image to the CCD sensor a, and the micro-field detection fiber bundle 9 conducts the micro-field image to the CCD sensor B.
Because the illumination optical fiber bundle 7, the macro-field detection optical fiber bundle 8 and the micro-field detection optical fiber bundle 9 can generate a small amount of heat in the working process, in order to reduce the incidence of infrared rays into the illumination optical fiber bundle 7, the macro-field detection optical fiber bundle 8 and the micro-field detection optical fiber bundle 9, an infrared reflection film 13 is respectively adhered on the inner side wall of the circular through hole 3 and the inner side wall of the cylindrical groove 4, so that the temperature of the illumination optical fiber bundle 7, the macro-field detection optical fiber bundle 8 and the micro-field detection optical fiber bundle 9 is prevented from being obviously increased under the irradiation of a large amount.
The outer side of the metal probe shell 1 is coated with a polytetrafluoroethylene coating (since the thickness of the polytetrafluoroethylene coating is about 70 microns, not shown in the figure) to improve the acid and alkali resistance of the metal probe shell 1 and reduce the friction coefficient of the metal probe shell 1.
The metal probe shell 1 is made of medical stainless steel material preferably.
The second embodiment shown in fig. 4 is different from the first embodiment in that the bottom of the infrared heating cavity 2 is provided with a conical reflecting table 15, and the reflecting table 15 is coaxial with the infrared heating cavity 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. An endoscope microscopic imaging fiber optic probe, characterized in that: be columniform metal probe shell, multi beam including the outline and be used for conducting infrared's infrared conduction fiber bundle, infrared laser, be equipped with a plurality of columniform infrared heating chamber in the metal probe shell, the exit end fixed mounting of infrared conduction fiber bundle is at the entrance in infrared heating chamber, the multi beam the exit port at infrared laser is fixed to the incident end of infrared conduction fiber bundle.
2. The endoscopic microscopic imaging fiber optic probe according to claim 1, wherein: the bottom of the infrared heating cavity is provided with a conical or hemispherical reflecting table, and the reflecting table and the infrared heating cavity are coaxial.
3. The endoscopic microscopic imaging fiber optic probe according to claim 1, wherein: the utility model discloses a metal probe shell, including metal probe shell, infrared heating chamber, cylindrical recess, metal probe shell center is equipped with the circular through-hole that is used for installing illumination fiber bundle and macro field of vision detection fiber bundle, one side that lies in circular through-hole in the metal probe shell is equipped with the cylindrical recess that is used for installing micro field of vision detection fiber bundle, one side of metal probe shell is equipped with the daylighting mouth that is linked together with cylindrical recess, and is a plurality of infrared heating chamber is located around circular through.
4. The endoscopic microscopic imaging fiber optic probe according to claim 3, wherein: and an infrared reflection film is respectively stuck on the inner side walls of the circular through hole and the cylindrical groove.
5. The endoscopic microscopic imaging fiber optic probe according to claim 3, wherein: the circular through hole and the metal probe shell are coaxial, the central axis of the cylindrical groove is parallel to the central axis of the metal probe shell, the central axis of the daylight opening is vertically intersected with the central axis of the cylindrical groove, and the central axis of the infrared heating cavity is parallel to the central axis of the metal probe shell.
6. The optical fiber probe for endoscopic microscopic imaging according to claim 1 ~ 5, wherein the outer side of said metal probe shell is coated with a polytetrafluoroethylene coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803477.3U CN209932671U (en) | 2018-11-03 | 2018-11-03 | Endoscope microscopic imaging optical fiber probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803477.3U CN209932671U (en) | 2018-11-03 | 2018-11-03 | Endoscope microscopic imaging optical fiber probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209932671U true CN209932671U (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821803477.3U Active CN209932671U (en) | 2018-11-03 | 2018-11-03 | Endoscope microscopic imaging optical fiber probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209932671U (en) |
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2018
- 2018-11-03 CN CN201821803477.3U patent/CN209932671U/en active Active
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