CN116407092A - Optical fiber probe and confocal microscopic imaging system - Google Patents
Optical fiber probe and confocal microscopic imaging system Download PDFInfo
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- CN116407092A CN116407092A CN202310347193.7A CN202310347193A CN116407092A CN 116407092 A CN116407092 A CN 116407092A CN 202310347193 A CN202310347193 A CN 202310347193A CN 116407092 A CN116407092 A CN 116407092A
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- 238000004624 confocal microscopy Methods 0.000 claims description 3
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0068—Confocal scanning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00188—Optical arrangements with focusing or zooming features
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0066—Optical coherence imaging
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Abstract
The invention relates to an optical fiber probe and a confocal microscopic imaging system, wherein the optical fiber probe comprises a detection end and a connector, the connector comprises a shell, an adapter, a pipe body assembly and a locking assembly, and the adapter is arranged in the shell; the pipe body component is sleeved on the adapter, and is arranged between the shell and the adapter; the locking assembly includes a first locking member and a second locking member. The optical fiber probe of this structure, the spacing locking body subassembly of first retaining member along the extending direction of perpendicular to adaptor and casing, the spacing locking body subassembly of second retaining member along the extending direction of adaptor to form the locking effort that the looks intersection set up, with the axiality of strengthening casing, sleeve pipe subassembly and adaptor, guarantee the accurate alignment of transmission element direction of transmission and transmission path that optical fiber probe provided. The invention has the advantages of strong positioning capability and high positioning precision, and can ensure good imaging precision and imaging effect of the confocal microscopic imaging system.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an optical fiber probe and a confocal microscopic imaging system.
Background
The image information is conducted through the optical fiber, and the optical fiber has the advantages of high sensitivity, high transmission speed, large information capacity, wide applicability and the like. The method has wide application in optical medical diagnosis technologies such as a medical fiber laser system, an endoscope system, an OCT system and the like.
The fiber optic probe is the foremost portion of the received signal in the confocal microscopy imaging system. Confocal microscopic imaging systems generally consist of a light source, a probe, a transmission element, a photodetector, a signal processing system, and the like. In the prior art, the transmission element is limited by a plurality of sleeves in the probe, when the probe is specifically assembled and used, the probe is easily affected by assembly errors, the accurate alignment of the transmission direction of the transmission element and the transmission path provided by the probe is difficult to effectively ensure, the positioning capability provided by the sleeves is insufficient, the problem of low positioning precision exists, the attenuation loss of optical fiber transmission is easy to cause, the imaging precision is low, and the imaging effect is poor.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the positioning capability is insufficient in the prior art, the problem of low positioning precision exists, and the defects of low imaging precision and poor imaging effect are easily caused by high attenuation loss of optical fiber transmission.
The invention provides an optical fiber probe, which comprises a detection end and a connector, wherein the detection end is in optical communication connection with the connector, and the connector comprises:
a housing;
an adapter mounted within the housing;
the pipe body assembly is sleeved on the adapter, and the pipe body assembly is arranged between the shell and the adapter;
and the locking assembly comprises a first locking piece and a second locking piece, the first locking piece is arranged on the shell, the locking end of the first locking piece is abutted to the pipe body assembly, the first locking piece is arranged in a central symmetry mode along the extending direction of the adapter, the second locking piece is arranged on the adapter, and the locking end of the second locking piece is abutted to the pipe body assembly.
Optionally, the tube assembly includes:
the first pipe body is sleeved on the adapter;
the second pipe body is sleeved on the adapter piece, the second pipe body is in butt joint with the first pipe body, the second pipe body is arranged between the first pipe body and the detection end, and the first locking part locking end is in butt joint with the first pipe body and/or the second pipe body;
and the third pipe body is sleeved on the first pipe body and the second pipe body, and one side, far away from the adapter, of the third pipe body is in butt joint with the shell.
Optionally, the above optical fiber probe further includes a limiting structure, where the limiting structure includes:
the first limiting part is formed on one side of the adapter, which faces the pipe body assembly;
the second limiting part is formed on the inner wall surface of the first pipe body facing the adapter;
the third limiting part is formed on the outer wall surface of the first pipe body facing the third pipe body;
the fourth limiting part is formed on the inner wall surface of the second pipe body facing the adapter;
a fifth limiting part formed on the outer wall surface of the second pipe body facing the third pipe body;
a sixth limiting part formed on the inner wall surface of the third pipe body facing the adapter;
the first limiting part is respectively abutted against the second limiting part and the fourth limiting part; the sixth limiting part is respectively in butt joint with the third limiting part and the fifth limiting part.
Optionally, any limit part is arranged to be a plane structure or a convex structure and a groove structure which are correspondingly arranged; and/or
The extending direction of any limit part is parallel to the extending direction of the adaptor; and/or
The first locking pieces are arranged in a linear array along the extending direction of the adapter piece.
Optionally, the optical fiber probe further comprises a chip part and an insulating part, wherein the chip part and the insulating part are configured to be detachably connected; the chip piece is arranged between the shell and the adapter piece;
the second pipe body is provided with an assembling part, and the chip piece is arranged in the assembling part; the third pipe body is provided with an avoidance part, and the assembly part is arranged in the avoidance part.
Optionally, the chip part comprises a first pin and a second pin which are arranged at intervals, the insulating part is provided with an accommodating groove, and any pin is arranged in the accommodating groove; and/or
The insulating part is provided with a connecting groove, and the connecting groove and one side of the second pipe body, which is close to the detection end, are in butt joint.
Optionally, an abutting flange is arranged on the first pipe body, an abutting groove is arranged on the third pipe body, and the abutting flange is installed in the abutting groove; and/or
The shell is provided with a limit groove, the third pipe body is provided with a limit flange, and the limit flange is arranged in the limit groove; and/or
The third pipe body is provided with a connecting part, at least part of the locking end of the first locking piece is connected with the connecting part, and the first locking piece and the connecting part are correspondingly arranged.
Optionally, the optical fiber probe further comprises a triangle head structure, wherein the triangle head structure is formed on the adapter; three connecting surfaces which are arranged in series at the first position are arranged on the triangular head structure, and transition surfaces are arranged between the adjacent connecting surfaces; and/or
The shell is provided with a first channel, the adapter is provided with a second channel, and the extending direction of the first channel and the extending direction of the second channel are coaxially arranged; and/or
The positioning device comprises a shell, and is characterized by further comprising a positioning plate, wherein the positioning plate is arranged on the shell, the first locking piece penetrates through the shell and the positioning plate, a containing groove is formed in the shell, and the positioning plate is arranged in the containing groove.
Optionally, the optical fiber probe further comprises a light shielding piece, wherein the light shielding piece is installed on one side of the adapter piece far away from the detection end; the light shielding piece is arranged in the mounting groove, and the end face of one side of the light shielding piece, which is far away from the detection end, and the end face of one side of the adapter, which is far away from the detection end, are arranged in a coplanar manner; and/or
The detection end comprises a detection objective lens;
the optical guide is configured between the detection objective and the connector.
A confocal microscopic imaging system comprises the optical fiber probe.
The technical scheme provided by the invention has the following advantages:
1. the invention provides an optical fiber probe which comprises a detection end and a connector, wherein the detection end is in optical communication connection with the connector, the connector comprises a shell, an adapter, a pipe body assembly and a locking assembly, and the adapter is arranged in the shell; the pipe body component is sleeved on the adapter, and is arranged between the shell and the adapter; the locking assembly includes a first locking member and a second locking member.
The optical fiber probe of this structure locks casing and sleeve pipe subassembly on the adaptor through locking assembly, the second retaining member is installed on the adaptor and is locked one side of the spacing locking body subassembly of locking end of second retaining member, the spacing locking body subassembly of extending direction along the adaptor is locked to the second retaining member, first retaining member is installed on the casing, the spacing locking body subassembly of extending direction along perpendicular to adaptor and casing are locked to the locking end butt joint body subassembly of first retaining member, thereby form the locking effort that the phase-crossing set up, first retaining member is the centrosymmetric setting along the extending direction of adaptor, make a plurality of first retaining members can evenly lock casing and sleeve pipe subassembly on the adaptor, in order to strengthen the axiality of casing, sleeve pipe subassembly and adaptor, guarantee the accurate alignment of transmission path that transmission element transmitting direction and optical fiber probe provided, thereby improve optical fiber probe's locate ability and positioning accuracy, and then reduce the attenuation loss of optic fibre transmission, guarantee confocal microscopic imaging system's imaging precision and imaging effect.
2. The invention provides an optical fiber probe, wherein a pipe body assembly comprises a first pipe body, a second pipe body and a third pipe body, and the first pipe body is sleeved on an adapter; the second pipe body is sleeved on the adapter, the second pipe body is in butt joint with the first pipe body, the second pipe body is arranged between the first pipe body and the detection end, and the locking end of the first locking piece is in butt joint with the first pipe body and the second pipe body; the third pipe body is sleeved on the first pipe body and the second pipe body, and one side, far away from the adapter, of the third pipe body is in butt fit with the shell.
The optical fiber probe of this structure cup joints on the adaptor through first body, second body are adjacent, and the third body cup joints on first body and second body, and the casing cup joints on the third body to constitute and cup joint spacing state each other, lock spacing with the sleeve pipe subassembly through first retaining member, with the axiality between the additional strengthening, improve the positioning accuracy of sleeve pipe subassembly.
3. The optical fiber probe provided by the invention further comprises a limiting structure, wherein the limiting structure comprises a first limiting part, a second limiting part, a third limiting part, a fourth limiting part, a fifth limiting part and a sixth limiting part; the first limiting part is formed on one side of the adapter, which faces the pipe body component; the second limiting part is formed on the inner wall surface of the first pipe body facing the adapter; the third limiting part is formed on the outer wall surface of the first pipe body facing the third pipe body; the fourth limiting part is formed on the inner wall surface of the second pipe body facing the adapter; the fifth limiting part is formed on the outer wall surface of the second pipe body facing the third pipe body; the sixth limiting part is formed on the inner wall surface of the third pipe body facing the adapter; the first limiting part is respectively abutted with the second limiting part and the fourth limiting part; the sixth limiting part is respectively abutted with the third limiting part and the fifth limiting part.
After the optical fiber probe is assembled, the first limiting part is respectively abutted with the second limiting part and the fourth limiting part, and the sixth limiting part is respectively abutted with the third limiting part and the fifth limiting part, so that the connection limit between the adapter and the first pipe body and the second pipe body and the connection limit between the third pipe body and the first pipe body and the second pipe body are enhanced, the installation alignment of the structure is promoted, the reliable coaxiality is ensured, and the positioning precision of the optical fiber probe is improved.
4. The optical fiber probe provided by the invention also comprises a triangular head structure, the triangular head structure is formed on the adapter; the triangular head structure is provided with three connecting surfaces which are arranged in series at the first position.
The optical fiber probe of this structure, the triangle head structure cooperates with the clamping component of peripheral hardware to guarantee the effectual mounted position of adaptor, provide the effectual transmission path of light guide, even atress when the adaptor is connected to clamping component is strengthened through three junction surface of triangle head structure, lay along the default direction in order to promote the extending direction of adaptor, guarantee the reference direction of transmission path, and then improve imaging quality and effect.
5. The confocal microscopic imaging system provided by the invention comprises an optical fiber probe. The sleeve assembly, the adapter and the shell are locked and limited through the locking assembly in the optical fiber probe, so that the structural connection precision is improved, the coaxiality is enhanced, the transmission direction of the transmission element and the accurate alignment of the transmission path provided by the optical fiber probe are ensured, and the imaging precision and the imaging effect of the confocal microscopic imaging system are ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a fiber optic probe provided in an embodiment of the present invention;
FIG. 2 is an exploded view of a connector in a fiber optic probe provided in an embodiment of the present invention;
FIG. 3 is a schematic partial cross-sectional view of a connector in a fiber optic probe provided in an embodiment of the present invention;
FIG. 4 is a schematic view of a housing in a fiber optic probe according to an embodiment of the present invention;
FIG. 5 is a schematic view of a partial structure of a connector in a fiber optic probe provided in an embodiment of the present invention;
FIG. 6 is a schematic diagram of the connection of the second tube and the third tube in the fiber optic probe according to the embodiment of the present invention;
reference numerals illustrate:
1-a detection end; 2-a light guide; a 3-connector;
31-a housing; 311-first channel;
32-an adapter; 321-a second channel;
33-a first tube; 34-a second tube; 35-a third tube;
36-chip part; 361-a first pin; 362-second pin;
37-an insulator; 38-a light shield;
41-a first locking member; 42-positioning plates; 43-second locking member.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
The embodiment provides an optical fiber probe, as shown in fig. 1, which comprises a detection end 1 and a connector 3, wherein the detection end 1 is in light-guide communication connection with the connector 3. The detection end 1 comprises a detection objective lens; a light guide 2 is arranged between the detection objective and the connector 3, the light guide 2 acting as an information transfer element to transfer image information fed back by the detection objective to the connector 3.
As shown in fig. 2, 3 and 4, the connector 3 includes a housing 31, an adapter 32, a tube assembly, and a locking assembly, the adapter 32 being installed in the housing 31; the body subassembly cup joints on the adaptor 32, and the body subassembly sets up between casing 31 and adaptor 32, and locking assembly installs on casing 31. The housing 31 has a first passage 311, the adapter 32 has a second passage 321, the extending direction of the first passage 311 and the extending direction of the second passage 321 are coaxially disposed, and the first passage 311 and the second passage 321 are disposed in communication to provide an assembling space of the light guide 2. In the present embodiment, the adaptor 32 is a fiber optic metal head, and the adaptor 32 is a rigid structure.
As shown in fig. 2 and 3, the locking assembly includes a first locking member 41 and a second locking member 43, the first locking member 41 is mounted on the housing 31, the locking end of the first locking member 41 is abutted against the pipe body assembly, the second locking member 43 is mounted on the adapter member 32, and the locking end of the second locking member 43 is abutted against one side of the pipe body assembly.
As shown in fig. 2 and 3, at least two first locking members 41 are provided, and the first locking members 41 are arranged in a central symmetry manner along the extending direction of the adaptor 32, so as to ensure that locking forces are symmetrically distributed along the extending direction of the adaptor 32, and improve the coaxiality of the structure. The first locking members 41 may be disposed in a linear array along the extension direction of the adapter 32 to extend the path of the locking housing 31 and the sleeve assembly through the first locking members 41 in the extension direction of the adapter 32, enhancing the coaxiality of the structure. In the present embodiment, the first locking members 41 are provided in four pairs symmetrically installed outside the housing 31. The first locking member 41 locks the pipe body assembly and the housing 31 in a direction perpendicular to the extending direction of the adapter member 32, and in this embodiment, the adapter member is configured as a solid of revolution, and the first locking member 41 locks the pipe body assembly and the housing 31 in a radial direction of the adapter member 32.
As shown in fig. 2 and 3, the second locking member 43 is provided with one or more, in this embodiment, the second locking member 43 is sleeved on the adaptor 32, a threaded structure matched with the outer wall surface of the adaptor 32 is provided in the second locking member 43, the second locking member 43 and the adaptor 32 are coaxially arranged, the second locking member 43 limits the locking pipe body assembly along the extending direction of the adaptor 32, in this embodiment, the adaptor is configured as a revolving structure, and the second locking member 43 limits the locking action pipe body assembly and the adaptor 32 along the axial direction of the adaptor 32.
As shown in fig. 2 and 3, the pipe assembly includes a first pipe 33, a second pipe 34 and a third pipe 35, and the first pipe 33 is sleeved on the adapter 32; the second pipe body 34 is sleeved on the adapter 32, the second pipe body 34 is arranged in a manner of being abutted against the first pipe body 33, the second pipe body 34 is arranged between the first pipe body 33 and the detection end 1, the third pipe body 35 is sleeved on the first pipe body 33 and the second pipe body 34, and one side, far away from the adapter 32, of the third pipe body 35 is in abutted engagement with the shell 31. The first pipe body 33 and the second pipe body 34 are adjacently sleeved on the adapter 32, the third pipe body 35 is sleeved on the first pipe body 33 and the second pipe body 34, and the shell 31 is sleeved on the third pipe body 35, so that a mutually sleeved limiting state is formed.
In some embodiments, the housing 31 is provided with a limit groove, the third tube 35 is provided with a limit flange, the limit flange is installed in the limit groove, and the limit groove and the limit flange are provided as a ring structure to improve the connection alignment of the third tube 35 and the housing 31.
As shown in fig. 2 and 3, in the present embodiment, the first locking member 41 is disposed on the third tube body 35 and the housing 31 in a penetrating manner, a connection portion is disposed on the third tube body 35, at least a portion of the locking end of the first locking member 41 is connected to the connection portion, and the first locking member 41 and the connection portion are disposed correspondingly. In some embodiments, the first locking member 41 is configured as a threaded member and the connecting portion is configured as a threaded bore.
In some embodiments, the first tube 33 is provided with an abutment flange, the third tube 35 is provided with an abutment groove, and the abutment flange is mounted in the abutment groove, and the coaxial alignment of the first tube 33 and the third tube 35 is reinforced by the limited connection of the abutment flange and the abutment groove.
The optical fiber probe provided in this embodiment further includes a positioning plate 42, as shown in fig. 2 and 3, the positioning plate 42 is mounted on the housing 31, the first locking member 41 penetrates through the housing 31 and the positioning plate 42, the housing 31 is provided with a receiving groove, and the positioning plate 42 is mounted in the receiving groove. The locating plate 42 is used for enhancing the connection strength of the mounting end of the first locking member 41, the shell 31 is usually a plastic member in consideration of the use requirement and the reduction of the production cost, the locating plate 42 is mounted through the limiting of the accommodating groove, the contact area of the locking acting force is increased through the locating plate 42, and the connection strength between the first locking member 41 and the shell 31 is improved.
In some embodiments, the locking ends of the first locking members 41 and the second tube 34 are spaced apart, and are locked to the housing 31 by a plurality of first locking members 41, and the positioning plate 42 abuts the housing 31 under the fastening fit of the first locking members 41. In other embodiments, the locking end of the first locking member 41 is abutted against the second tube 34, the housing 31 and the second tube 34 are locked together by the plurality of first locking members 41, and the second tube 34 is easily deformed due to the bending influence of the light guide 2 and the housing 31 because the second tube 34 is closer to the detection end 1 than the first tube 33, and the second tube 34 is locked by the first locking member 41 to strengthen the coaxiality of the second tube 34 and the adapter 32.
In some embodiments, the locking ends of the first locking member 41 are disposed against the first tube 33 and the second tube 34 to lock the first tube 33 and the second tube 34 together on the adapter 32 by a plurality of first locking members 41, enhancing the coaxial alignment of the structures.
In some embodiments, the fiber optic probe further includes a limiting structure, where the limiting structure includes a first limiting portion, a second limiting portion, and a fourth limiting portion, the first limiting portion is formed on a side of the adapter 32 facing the tube assembly, the second limiting portion is formed on an inner wall surface of the first tube 33 facing the adapter 32, and the fourth limiting portion is formed on an inner wall surface of the second tube 34 facing the adapter 32. After the optical fiber probe is assembled, the first limiting part is respectively abutted against the second limiting part and the fourth limiting part, so that the connection limit between the adapter piece 32 and the first pipe body 33 and the second pipe body 34 is enhanced, the installation alignment of the structure is promoted, and the positioning precision of the optical fiber probe is improved.
Further, the limiting structure further includes a third limiting portion, a fifth limiting portion and a sixth limiting portion, the third limiting portion is formed on an outer wall surface of the first pipe body 33 facing the third pipe body 35, the fifth limiting portion is formed on an outer wall surface of the second pipe body 34 facing the third pipe body 35, and the sixth limiting portion is formed on an inner wall surface of the third pipe body 35 facing the adapter 32. After the optical fiber probe is assembled, the sixth limiting part is respectively abutted against the third limiting part and the fifth limiting part, so that the connection limit between the third pipe body 35 and the first pipe body 33 and the second pipe body 34 is enhanced, the installation alignment of the structure is promoted, and the positioning precision of the optical fiber probe is improved.
In this embodiment, any one of the limiting portions is provided in a planar structure; in other embodiments, any of the limiting portions is configured as a protrusion structure and a groove structure that are correspondingly disposed, and the protrusion structure and the groove structure are adapted to abut.
The extending direction of any limit part and the extending direction of the adapter 32 are arranged in parallel, so that the optical fiber probe is convenient to assemble and assemble, and the assembly can be realized by sliding the sleeve structure component along the extending direction of the adapter 32.
In some embodiments, the fiber optic probe further includes a triangular-head structure formed on the adapter 32; the triangular head structure is provided with three connecting surfaces which are arranged in series at the first position. The triangle head structure is configured into regular triangle head structure, and triangle head structure cooperates with the clamping component of peripheral hardware to guarantee the effectual mounted position of adaptor 32, provide the effectual transmission path of light guide 2, even atress when strengthening adaptor 32 and connecting the clamping component through three junction surface of triangle head structure, with the extending direction that promotes adaptor 32 lays along preset direction, guarantees the reference direction of transmission path, and then improves imaging quality and effect. The transition surface is arranged between the adjacent connecting surfaces, so that the use safety of operators is facilitated.
The optical fiber probe provided in this embodiment further includes a light shielding member 38, as shown in fig. 2, the light shielding member 38 is installed on a side of the adaptor 32 away from the detection end 1; the adaptor 32 is provided with a mounting groove, the shading piece 38 is mounted in the mounting groove, and the end face of the shading piece 38 on the side far away from the detection end 1 and the end face of the adaptor 32 on the side far away from the detection end 1 are arranged in a coplanar mode. The light from the outside is shielded from entering the light guide 2 by the shielding member 38. When the adaptor 32 and the light shielding piece 38 are assembled and connected, in order to avoid bad light leakage, the end faces of the adaptor 32 and the light shielding piece 38, which are far away from the side of the detection end 1, are ground and leveled, and the surface roughness is reduced through grinding, wherein the adaptor 32 is configured as a metal piece, the light shielding piece 38 is configured as an acrylic piece, the acrylic piece is convenient to grind, and the assembly efficiency is improved.
The optical fiber probe provided in this embodiment, as shown in fig. 5 and 6, further includes a chip 36, where the chip 36 is installed between the housing 31 and the adapter 32; the second tube 34 is provided with an assembling portion in which the chip 36 is mounted; the third pipe body 35 is provided with an avoiding portion, and the fitting portion is provided in the avoiding portion. The avoidance portion is configured as a chute. The chip 36 protects the ID information of the fiber optic probe; the external host computer updates the use times and the use time of the optical fiber probe in the database by reading the information of the chip part 36, judges the disinfection test and the use consumption of the optical fiber probe according to the use times and the use time, plays a role in monitoring the service life of the optical fiber probe, and ensures the safe use of the optical fiber probe.
The optical fiber probe provided in this embodiment further includes an insulating member 37, as shown in fig. 2, the chip member 36 and the insulating member 37 are configured to be detachably connected, the chip member 36 includes a first pin 361 and a second pin 362 that are disposed at intervals, an accommodating groove is disposed on the insulating member 37, and any pin is installed in the accommodating groove; the insulating member 37 is provided with a connecting groove, and the connecting groove is arranged in contact with one side of the second pipe body 34 close to the detection end 1. The second pipe body 34 is limited by the connecting groove, and the second locking piece 43 and the second pipe body 34 are relatively abutted on two sides of the insulating piece 37. The fitting portion is provided with an opening side, and the first pin 361 and the second pin 362 are provided to extend toward the insulator 37 through a space at the opening side.
According to the optical fiber probe provided by the embodiment, the shell 31 and the sleeve component are locked on the adapter component 32 through the locking component, the locking end of the second locking component 43 is used for limiting and locking one side of the pipe component, the second locking component 43 is used for limiting and locking the pipe component along the extending direction of the adapter component 32, the locking end of the first locking component 41 is abutted against the pipe component, the first locking component 41 is used for limiting and locking the pipe component and the shell 31 along the extending direction perpendicular to the adapter component 32, so that locking acting forces which are perpendicularly crossed are formed, the first locking component 41 is arranged in a central symmetry mode along the extending direction of the adapter component 32, the shell 31 and the sleeve component can be uniformly locked on the adapter component 32, so that coaxiality of the shell 31, the sleeve component and the adapter component 32 is enhanced, the transmission direction of a transmission element and the accurate alignment of a transmission path provided by the optical fiber probe are guaranteed, the positioning capability and positioning accuracy of the optical fiber probe are improved, the attenuation loss of optical fiber transmission is reduced, and the imaging accuracy and the imaging effect of a confocal microscopic imaging system are guaranteed.
Example 2
This embodiment provides a confocal microscopy imaging system comprising the fiber probe of embodiment 1. The sleeve assembly, the adapter piece 32 and the shell 31 are locked and limited through the locking assembly in the optical fiber probe, so that the structural connection precision is improved, the coaxiality is enhanced, the accurate alignment of the extending direction of the light guide piece 2 and the transmission path provided by the optical fiber probe is ensured, and the imaging precision and the imaging effect of the confocal microscopic imaging system are ensured.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (10)
1. The optical fiber probe is characterized by comprising a detection end (1) and a connector (3), wherein the detection end (1) is in optical communication connection with the connector (3), and the connector (3) comprises:
a housing (31);
an adapter (32) mounted in the housing (31);
the pipe body assembly is sleeved on the adapter (32), and the pipe body assembly is arranged between the shell (31) and the adapter (32);
and locking assembly, locking assembly includes first retaining member (41) and second retaining member (43), first retaining member (41) are installed on casing (31), the locking end butt of first retaining member (41) body subassembly sets up, first retaining member (41) are followed the extending direction of adaptor (32) is central symmetry setting, second retaining member (43) are installed on adaptor (32), the locking end butt of second retaining member (43) body subassembly one side sets up.
2. A fiber optic probe according to claim 1, wherein the tube assembly comprises:
the first pipe body (33) is sleeved on the adapter (32);
the second pipe body (34) is sleeved on the adapter piece (32), the second pipe body (34) is in butt joint with the first pipe body (33), the second pipe body (34) is arranged between the first pipe body (33) and the detection end (1), and the locking end of the first locking piece (41) is in butt joint with the first pipe body (33) and/or the second pipe body (34);
and a third pipe body (35) sleeved on the first pipe body (33) and the second pipe body (34), wherein one side, far away from the adapter (32), of the third pipe body (35) is in butt fit with the shell (31).
3. The fiber optic probe of claim 2, further comprising a spacing structure, the spacing structure comprising:
the first limiting part is formed on one side of the adapter (32) facing the pipe body assembly;
a second limit part formed on the inner wall surface of the first pipe body (33) facing the adapter (32);
a third limit part formed on the outer wall surface of the first pipe body (33) facing the third pipe body (35);
a fourth limit part formed on the inner wall surface of the second pipe body (34) facing the adapter (32);
a fifth limiting part formed on the outer wall surface of the second pipe body (34) facing the third pipe body (35);
a sixth limiting part formed on the inner wall surface of the third pipe body (35) facing the adapter (32);
the first limiting part is respectively abutted against the second limiting part and the fourth limiting part; the sixth limiting part is respectively in butt joint with the third limiting part and the fifth limiting part.
4. A fiber optic probe according to claim 3 wherein either one of the limit portions is provided as a planar structure or a corresponding projection structure and recess structure; and/or
The extending direction of any limit part is parallel to the extending direction of the adaptor (32); and/or
The first locking pieces (41) are arranged in a linear array along the extending direction of the adapter piece (32).
5. The fiber optic probe according to claim 2, further comprising a chip member (36) and an insulator member (37), the chip member (36) and the insulator member (37) being configured for detachable connection; the chip part (36) is arranged between the shell (31) and the adapter part (32);
the second pipe body (34) is provided with an assembling part, and the chip piece (36) is arranged in the assembling part; the third pipe body (35) is provided with an avoiding part, and the assembly part is arranged in the avoiding part.
6. The fiber optic probe of claim 5, wherein the chip member (36) includes a first pin (361) and a second pin (362) disposed in spaced relation, the insulator member (37) having a receiving slot therein, either pin being mounted therein; and/or
The insulating piece (37) is provided with a connecting groove, and the connecting groove and one side, close to the detection end (1), of the second pipe body (34) are in butt joint.
7. A fiber optic probe according to claim 2, wherein the first tube (33) is provided with an abutment flange, the third tube (35) is provided with an abutment groove, and the abutment flange is mounted in the abutment groove; and/or
A limiting groove is formed in the shell (31), a limiting flange is arranged on the third pipe body (35), and the limiting flange is arranged in the limiting groove; and/or
The third pipe body (35) is provided with a connecting part, at least part of the locking end of the first locking piece (41) is connected with the connecting part, and the first locking piece (41) and the connecting part are correspondingly arranged.
8. The fiber optic probe of any of claims 1-7, further comprising a triangular-head structure molded onto the adapter (32); three connecting surfaces which are arranged in series at the first position are arranged on the triangular head structure, and transition surfaces are arranged between the adjacent connecting surfaces; and/or
The housing (31) has a first channel (311), the adapter (32) has a second channel (321), and the extension direction of the first channel (311) and the extension direction of the second channel (321) are coaxially arranged; and/or
The novel lock comprises a shell (31), and is characterized by further comprising a positioning plate (42), wherein the positioning plate (42) is arranged on the shell (31), the first locking piece (41) penetrates through the shell (31) and the positioning plate (42), a containing groove is formed in the shell (31), and the positioning plate (42) is arranged in the containing groove.
9. The fiber optic probe according to any one of claims 1-7, further comprising a light shield (38), the light shield (38) being mounted on a side of the adapter (32) remote from the detection end (1); the light shielding piece (38) is arranged in the mounting groove, and the end face of the light shielding piece (38) at one side far away from the detection end (1) and the end face of the adaptor (32) at one side far away from the detection end (1) are arranged in a coplanar manner; and/or
The detection end (1) comprises a detection objective lens;
further comprising a light guide (2), said light guide (2) being arranged between said detection objective and said connector (3).
10. A confocal microscopy imaging system comprising the fiber optic probe of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310347193.7A CN116407092A (en) | 2023-04-03 | 2023-04-03 | Optical fiber probe and confocal microscopic imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310347193.7A CN116407092A (en) | 2023-04-03 | 2023-04-03 | Optical fiber probe and confocal microscopic imaging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116407092A true CN116407092A (en) | 2023-07-11 |
Family
ID=87050880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310347193.7A Pending CN116407092A (en) | 2023-04-03 | 2023-04-03 | Optical fiber probe and confocal microscopic imaging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116407092A (en) |
-
2023
- 2023-04-03 CN CN202310347193.7A patent/CN116407092A/en active Pending
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