An optical fiber probe and a confocal microscopic imaging system

Abstract

The application relates to an optical fiber probe and a confocal microscopic imaging system, and the optical fiber probe comprises a detection end and a connector, the connector comprises a shell, an adapter, a tube body assembly and a locking assembly, the adapter is installed in the shell, the tube body assembly is sleeved on the adapter, the tube 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 optical fiber probe with the structure is characterized in that the first locking piece limits and locks the tube body assembly and the shell along the direction perpendicular to the extension direction of the adapter, the second locking piece limits and locks the tube body assembly along the extension direction of the adapter, thereby forming the locking forces arranged in intersection, the coaxiality of the shell, the sleeve assembly and the adapter is strengthened, the transmission direction of the transmission element and the accurate alignment of the transmission path provided by the optical fiber probe are guaranteed. The application has the advantages of high positioning capacity and high positioning precision, and can guarantee the good imaging precision and imaging effect of the confocal microscopic imaging system.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a fiber probe and a confocal microscopic imaging system. BACKGROUND

[0002] The image information is conducted through the optical fiber, which has the advantages of high sensitivity, fast transmission speed, large information capacity and wide applicability. It has a wide application in medical optical laser systems, endoscope systems and OCT systems and other optical medical diagnosis technologies.

[0003] The fiber probe is the front end part of the confocal microscopic imaging system for receiving signals. The confocal microscopic imaging system generally consists of a light source, a probe and a transmission element, a light detector and a signal processing system. In the prior art, the transmission element is usually limited by multiple sleeves in the probe. In the specific assembly and use, the probe is easily affected by the assembly error, and it is difficult to effectively ensure the accurate alignment of the transmission direction of the transmission element and the transmission path provided by the probe. The positioning ability provided by the sleeve is insufficient, and there is a problem of low positioning accuracy, which easily leads to the attenuation loss of the optical fiber transmission, resulting in low imaging accuracy and poor imaging effect. SUMMARY

[0004] Therefore, the technical problem to be solved by the present application is the lack of positioning ability in the prior art, which has the problem of low positioning accuracy, easily leads to high attenuation loss of the optical fiber transmission, and causes the defects of low imaging accuracy and poor imaging effect.

[0005] The present application provides a fiber probe, which comprises a detection end and a connector, the detection end and the connector are in optical communication connection, and the connector comprises:

[0006] a shell;

[0007] an adapter installed in the shell;

[0008] a tube assembly sleeved on the adapter, the tube assembly being arranged between the shell and the adapter;

[0009] and a locking assembly, the locking assembly comprising a first locking member and a second locking member, the first locking member being installed on the shell, the locking end of the first locking member abutting the tube assembly, the first locking member being centrally symmetrically arranged along the extension direction of the adapter, the second locking member being installed on the adapter, the locking end of the second locking member abutting the tube assembly.

[0010] Optionally, the tube assembly comprises:

[0011] a first tube sleeved on the adapter;

[0012] A second tube body is sleeved on the adapter, the second tube body and the first tube body are arranged in abutment, the second tube body is arranged between the first tube body and the detection end, and the first locking piece is arranged in abutment with the first tube body and / or the second tube body at the locking end.

[0013] And a third tube body is sleeved on the first tube body and the second tube body, and the third tube body is arranged in abutment with the shell on the side away from the adapter.

[0014] Optionally, the optical fiber probe further comprises a limiting structure, and the limiting structure comprises:

[0015] A first limiting part is formed on the side of the adapter facing the tube body assembly;

[0016] A second limiting part is formed on the inner wall surface of the first tube body facing the adapter;

[0017] A third limiting part is formed on the outer wall surface of the first tube body facing the third tube body;

[0018] A fourth limiting part is formed on the inner wall surface of the second tube body facing the adapter;

[0019] A fifth limiting part is formed on the outer wall surface of the second tube body facing the third tube body;

[0020] A sixth limiting part is formed on the inner wall surface of the third tube body facing the adapter;

[0021] The first limiting part is arranged in abutment with the second limiting part and the fourth limiting part, respectively, and the sixth limiting part is arranged in abutment with the third limiting part and the fifth limiting part, respectively.

[0022] Optionally, any limiting part is provided as a planar structure or corresponding convex structure and groove structure; and / or

[0023] The extension direction of any limiting part is parallel to the extension direction of the adapter; and / or

[0024] The first locking piece is arranged in a straight line array along the extension direction of the adapter.

[0025] Optionally, the optical fiber probe further comprises a chip piece and an insulating piece, the chip piece and the insulating piece are configured to be detachably connected, and the chip piece is installed between the shell and the adapter.

[0026] The second tube body is provided with an assembly part, the chip piece is installed in the assembly part, the third tube body is provided with a avoiding part, and the assembly part is arranged in the avoiding part.

[0027] Optionally, the chip piece comprises a first pin and a second pin arranged at intervals, the insulating piece is provided with a receiving groove, and any one of the pins is arranged in the receiving groove; and / or

[0028] The insulating piece is provided with a connecting groove, and the connecting groove and the second tube body are arranged in abutment on the side close to the detection end.

[0029] Optionally, the first tube body is provided with an abutment flange, the third tube body is provided with an abutment groove, and the abutment flange is arranged in the abutment groove; and / or

[0030] The shell is provided with a limiting groove, the third tube body is provided with a limiting flange, and the limiting flange is arranged in the limiting groove; and / or

[0031] The third tube body is provided with a connecting part, the locking end of at least part of the first locking piece is connected with the connecting part, and the first locking piece and the connecting part are arranged in correspondence.

[0032] Optionally, the above optical fiber probe further comprises a triangular head structure, the triangular head structure is formed on the adapter; the triangular head structure is provided with three connection surfaces arranged in series, and a transition surface is arranged between adjacent connection surfaces; and / or

[0033] The shell has a first channel, the adapter has a second channel, and the extension directions of the first channel and the second channel are coaxially arranged; and / or

[0034] Further comprising a positioning plate, the positioning plate is arranged on the shell, the first locking piece passes through the shell and the positioning plate, the shell is provided with a receiving groove, and the positioning plate is arranged in the receiving groove.

[0035] Optionally, the above optical fiber probe further comprises a light shielding piece, the light shielding piece is arranged on the side of the adapter away from the detection end; the adapter is provided with a mounting groove, the light shielding piece is arranged in the mounting groove, and the end face of the light shielding piece away from the detection end is arranged in a plane with the end face of the adapter away from the detection end; and / or

[0036] The detection end comprises a detection objective lens;

[0037] Further comprising a light guide piece, the light guide piece is arranged between the detection objective lens and the connector.

[0038] A confocal microscopic imaging system comprises the above optical fiber probe.

[0039] The technical scheme provided by the application has the following advantages:

[0040] 1. The optical fiber probe provided by the present application comprises a detection end and a connector, and the detection end and the connector are connected in optical communication, the connector comprises a shell, an adapter, a tube assembly and a locking assembly, the adapter is installed in the shell, the tube assembly is sleeved on the adapter, and the tube assembly is arranged between the shell and the adapter, and the locking assembly comprises a first locking piece and a second locking piece.

[0041] The optical fiber probe with the structure locks the shell and the sleeve assembly on the adapter through the locking assembly, the second locking piece is installed on the adapter, the locking end of the second locking piece limits one side of the locking tube assembly, the second locking piece limits the tube assembly along the extension direction of the adapter, the first locking piece is installed on the shell, the locking end of the first locking piece abuts against the tube assembly, the first locking piece limits the tube assembly and the shell along the extension direction perpendicular to the adapter, thereby forming intersecting locking forces, the first locking piece is centrally symmetrically arranged along the extension direction of the adapter, so that the plurality of first locking pieces can uniformly lock the shell and the sleeve assembly on the adapter, thereby enhancing the coaxiality of the shell, the sleeve assembly and the adapter, ensuring the accurate alignment of the transmission direction of the transmission element and the transmission path provided by the optical fiber probe, thereby improving the positioning ability and the positioning accuracy of the optical fiber probe, further reducing the attenuation loss of the optical fiber transmission, and ensuring the imaging accuracy and the imaging effect of the confocal microscopic imaging system.

[0042] 2. The optical fiber probe provided by the present application, wherein the tube assembly comprises a first tube, a second tube and a third tube, the first tube is sleeved on the adapter, the second tube is sleeved on the adapter, the second tube and the first tube are arranged in abutment, the second tube is arranged between the first tube and the detection end, and the locking end of the first locking piece abuts against the first tube and the second tube, and the third tube is sleeved on the first tube and the second tube, and the side of the third tube away from the adapter abuts against the shell.

[0043] The optical fiber probe with the structure has the first tube and the second tube sleeved on the adapter in abutment, the third tube is sleeved on the first tube and the second tube, and the shell is sleeved on the third tube, thereby forming a sleeved and limited state, the sleeve assembly is locked and limited by the first locking piece, thereby enhancing the coaxiality of the structure and improving the positioning accuracy of the sleeve assembly.

[0044] 3. The optical fiber probe provided by the present application further comprises a limiting structure, the limiting structure comprising 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 the side of the adapter facing the tube assembly; the second limiting part is formed on the inner wall surface of the first tube facing the adapter; the third limiting part is formed on the outer wall surface of the first tube facing the third tube; the fourth limiting part is formed on the inner wall surface of the second tube facing the adapter; the fifth limiting part is formed on the outer wall surface of the second tube facing the third tube; and the sixth limiting part is formed on the inner wall surface of the third tube facing the adapter; the first limiting part is arranged in abutment with the second limiting part and the fourth limiting part respectively; and the sixth limiting part is arranged in abutment with the third limiting part and the fifth limiting part respectively.

[0045] The optical fiber probe of this structure, after the optical fiber probe is assembled, the first limiting part is arranged in abutment with the second limiting part and the fourth limiting part respectively, and the sixth limiting part is arranged in abutment with the third limiting part and the fifth limiting part respectively, thereby strengthening the connection and limiting between the adapter and the first tube and the second tube, and the connection and limiting between the third tube and the first tube and the second tube, to promote the installation alignment of the structure, guarantee the coaxiality, and improve the positioning accuracy of the optical fiber probe.

[0046] 4. The optical fiber probe provided by the present application further comprises a triangular head structure, the triangular head structure being formed on the adapter; and three connection surfaces in series are arranged on the triangular head structure.

[0047] The optical fiber probe of this structure, the triangular head structure and the clamping assembly cooperate to guarantee the effective installation position of the adapter, provide an effective transmission path for the light guide, and strengthen the uniform stress of the adapter when connected with the clamping assembly through the three connection surfaces of the triangular head structure, to promote the extension direction of the adapter to be arranged along the preset direction, guarantee the reference direction of the transmission path, and further improve the imaging quality and effect.

[0048] 5. The confocal microscopic imaging system provided by the present application comprises an optical fiber probe. The sleeve assembly, the adapter and the shell are locked and limited by the locking assembly in the optical fiber probe, the connection accuracy of the structure is improved, the coaxiality is strengthened, the transmission direction of the transmission element and the accurate alignment of the transmission path provided by the optical fiber probe are guaranteed, and the imaging accuracy and effect of the confocal microscopic imaging system are guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0049] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the following specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0050] Figure 1 Structure diagram of the optical fiber probe provided in the embodiment of the present application;

[0051] Figure 2 Explosive diagram of the connector in the optical fiber probe provided in the embodiment of the present application;

[0052] Figure 3 Partial cross-sectional diagram of the connector in the optical fiber probe provided in the embodiment of the present application;

[0053] Figure 4 Structure diagram of the housing in the optical fiber probe provided in the embodiment of the present application;

[0054] Figure 5 Partial structure diagram of the connector in the optical fiber probe provided in the embodiment of the present application;

[0055] Figure 6 Connection diagram of the second tube body and the third tube body in the optical fiber probe provided in the embodiment of the present application;

[0056] Explanation of reference numerals:

[0057] 1 - detection end; 2 - light guide; 3 - connector;

[0058] 31 - housing; 311 - first channel;

[0059] 32 - adapter; 321 - second channel;

[0060] 33 - first tube body; 34 - second tube body; 35 - third tube body;

[0061] 36 - chip; 361 - first pin; 362 - second pin;

[0062] 37 - insulating member; 38 - light shielding member;

[0063] 41 - first locking member; 42 - positioning plate; 43 - second locking member. DETAILED DESCRIPTION

[0064] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0065] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0066] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0067] In addition, the technical features involved in the different embodiments of the application described below can be combined with each other as long as there is no conflict.

[0068] Embodiment 1

[0069] The present embodiment provides an optical fiber probe, as shown in Figure 1 , comprising a detection end 1 and a connector 3, and the detection end 1 and the connector 3 are in optical communication. The detection end 1 comprises a detection objective lens; an optical guide 2 is arranged between the detection objective lens and the connector 3, and the optical guide 2 serves as a transmission element of information to transmit image information fed back by the detection objective lens to the connector 3.

[0070] As shown in Figure 2 , Figure 3 and Figure 4 , the connector 3 comprises a shell 31, an adapter 32, a tube assembly and a locking assembly, the adapter 32 is installed in the shell 31; the tube assembly is sleeved on the adapter 32, the tube assembly is arranged between the shell 31 and the adapter 32, and the locking assembly is installed on the shell 31. The shell 31 has a first channel 311, the adapter 32 has a second channel 321, the extension direction of the first channel 311 and the extension direction of the second channel 321 are coaxially arranged, and the first channel 311 and the second channel 321 are in communication to provide an assembly space for the optical guide 2. In the present embodiment, the adapter 32 is a fiber metal head, and the adapter 32 is a rigid structure.

[0071] As shown in Figure 2 and Figure 3As shown, the locking assembly includes a first locking member 41 and a second locking member 43, the first locking member 41 is mounted on the shell 31, and the locking end of the first locking member 41 abuts the pipe body assembly; the second locking member 43 is mounted on the adapter 32, and the locking end of the second locking member 43 abuts one side of the pipe body assembly.

[0072] As shown in Figure 2 and Figure 3 , the first locking member 41 is provided with at least two, the first locking member 41 is centrally symmetrically arranged along the extension direction of the adapter 32, so as to ensure that the locking force is symmetrically distributed along the extension direction of the adapter 32, and the coaxiality of the structure is improved. The first locking member 41 can be arranged in a linear array along the extension direction of the adapter 32, so as to expand the path of the locking effect of the shell 31 and the sleeve assembly through the first locking member 41 in the extension direction of the adapter 32, and the coaxiality of the structure is improved. In this embodiment, the first locking member 41 is provided with four, which are symmetrically mounted on the outer side of the shell 31. The first locking member 41 limits the pipe body assembly and the shell 31 along the direction perpendicular to the extension direction of the adapter 32, and in this embodiment, the adapter is configured as a rotary body structure, and the first locking member 41 locks the pipe body assembly and the shell 31 along the radial direction of the adapter 32.

[0073] As shown in Figure 2 and Figure 3 , the second locking member 43 is provided with one or more, and in this embodiment, the second locking member 43 is sleeved and mounted on the adapter 32, the second locking member 43 is provided with a threaded structure matched with the outer wall surface of the adapter 32, the second locking member 43 and the adapter 32 are coaxially arranged, and the second locking member 43 limits the pipe body assembly along the extension direction of the adapter 32, and in this embodiment, the adapter is configured as a rotary body structure, and the second locking member 43 limits the pipe body assembly and the adapter 32 along the axial direction of the adapter 32.

[0074] As shown in Figure 2 and Figure 3 , the pipe body assembly includes a first pipe body 33, a second pipe body 34 and a third pipe body 35, the first pipe body 33 is sleeved on the adapter 32; the second pipe body 34 is sleeved on the adapter 32, the second pipe body 34 and the first pipe body 33 are abutted, the second pipe body 34 is arranged between the first pipe body 33 and the detection end 1, and the third pipe body 35 is sleeved on the first pipe body 33 and the second pipe body 34, and the side of the third pipe body 35 away from the adapter 32 abuts and cooperates with the shell 31. By sleeving the first pipe body 33 and the second pipe body 34 on the adapter 32, sleeving the third pipe body 35 on the first pipe body 33 and the second pipe body 34, and sleeving the shell 31 on the third pipe body 35, a sleeved and limited state is formed.

[0075] In some embodiments, the shell 31 is provided with a limiting groove, and the third pipe body 35 is provided with a limiting flange, the limiting flange is installed in the limiting groove, and the limiting groove and the limiting flange are arranged in a ring structure, so as to improve the alignment of the third pipe body 35 and the shell 31.

[0076] As shown in Figure 2 and Figure 3 In the present embodiment, the first locking member 41 is arranged through the third pipe body 35 and the shell 31, the third pipe body 35 is provided with a connecting portion, the locking end of at least part of the first locking member 41 is connected with the connecting portion, and the first locking member 41 and the connecting portion are correspondingly arranged. In some embodiments, the first locking member 41 is configured as a threaded member, and the connecting portion is configured as a threaded hole.

[0077] In some embodiments, the first pipe body 33 is provided with an abutting flange, and the third pipe body 35 is provided with an abutting groove, the abutting flange is installed in the abutting groove, and the abutting flange and the abutting groove are limitedly connected, so as to strengthen the coaxial alignment of the first pipe body 33 and the third pipe body 35.

[0078] The optical fiber probe provided in the present embodiment further comprises a positioning plate 42, as shown in Figure 2 and Figure 3 The positioning plate 42 is installed on the shell 31, the first locking member 41 is arranged through the shell 31 and the positioning plate 42, the shell 31 is provided with a receiving groove, and the positioning plate 42 is installed in the receiving groove. The positioning plate 42 is used to enhance the connection strength of the installation end of the first locking member 41. Considering the use requirements and the reduction of production cost, the shell 31 is usually a plastic part. The positioning plate 42 is limitedly installed through the receiving groove, the contact area of the locking force is increased through the positioning plate 42, and the connection strength between the first locking member 41 and the shell 31 is improved.

[0079] In some embodiments, the locking end of the first locking member 41 is arranged to be spaced apart from the second pipe body 34, and the shell 31 is locked by the plurality of first locking members 41, and the positioning plate 42 abuts against the shell 31 under the fastening cooperation of the first locking member 41. In other embodiments, the locking end of the first locking member 41 is arranged to abut against the second pipe body 34, and the shell 31 and the second pipe body 34 are jointly locked by the plurality of first locking members 41. Since the second pipe body 34 is closer to the detection end 1 relative to the first pipe body 33, the second pipe body 34 is easily deformed due to the bending of the light guide member 2 and the shell 31. The second pipe body 34 is locked by the first locking member 41, so as to strengthen the coaxiality of the second pipe body 34 and the adapter 32.

[0080] In some embodiments, the locking end of the first locking member 41 abuts against the first pipe body 33 and the second pipe body 34, so as to lock the first pipe body 33 and the second pipe body 34 on the adapter 32 by the plurality of first locking members 41, and the coaxial alignment of the structure is strengthened.

[0081] In some embodiments, the optical fiber probe further comprises a limiting structure, the limiting structure comprises a first limiting part, a second limiting part and a fourth limiting part, the first limiting part is formed on the side of the adapter 32 facing the tube assembly, the second limiting part is formed on the inner wall surface of the first tube 33 facing the adapter 32, and the fourth limiting part is formed on the inner wall surface of the second tube 34 facing the adapter 32. After the optical fiber probe is assembled, the first limiting part is arranged in abutment with the second limiting part and the fourth limiting part respectively, thereby strengthening the connection and limiting between the adapter 32 and the first tube 33 and the second tube 34, promoting the installation alignment of the structure, and improving the positioning accuracy of the optical fiber probe.

[0082] Further, the limiting structure further comprises a third limiting part, a fifth limiting part and a sixth limiting part, the third limiting part is formed on the outer wall surface of the first tube 33 facing the third tube 35, the fifth limiting part is formed on the outer wall surface of the second tube 34 facing the third tube 35, and the sixth limiting part is formed on the inner wall surface of the third tube 35 facing the adapter 32. After the optical fiber probe is assembled, the sixth limiting part is arranged in abutment with the third limiting part and the fifth limiting part respectively, thereby strengthening the connection and limiting between the third tube 35 and the first tube 33 and the second tube 34, promoting the installation alignment of the structure, and improving the positioning accuracy of the optical fiber probe.

[0083] In the embodiment, any limiting part is arranged as a planar structure; in other embodiments, any limiting part is arranged as a corresponding protruding structure and groove structure, and the protruding structure and the groove structure are adapted to abut.

[0084] The extension direction of any limiting part and the extension direction of the adapter 32 are arranged in parallel to ensure that the optical fiber probe is convenient to assemble, and the assembly can be realized by sliding the sleeve structure assembly along the extension direction of the adapter 32.

[0085] In some embodiments, the optical fiber probe further comprises a triangular head structure, the triangular head structure is formed on the adapter 32; the triangular head structure is provided with three connection surfaces arranged in series. The triangular head structure is arranged as an equilateral triangular head structure, and the triangular head structure cooperates with an external clamping assembly to ensure that the adapter 32 is effectively installed in position, to provide an effective transmission path for the light guide 2, to strengthen the uniform stress of the adapter 32 when connected to the clamping assembly through the three connection surfaces of the triangular head structure, to promote the extension direction of the adapter 32 to be arranged along a preset direction, to ensure the reference direction of the transmission path, and to improve the imaging quality and effect. The transition surface is arranged between the adjacent connection surfaces, which is conducive to promoting the safety of the operator.

[0086] The optical fiber probe provided in the embodiment further comprises a light shielding piece 38, such as Figure 2As shown, the light-shielding component 38 is installed on the side of the adapter 32 away from the detection end 1. The adapter 32 has a mounting groove, and the light-shielding component 38 is installed in the mounting groove. The end face of the light-shielding component 38 away from the detection end 1 and the end face of the adapter 32 away from the detection end 1 are coplanar. The light-shielding component 38 blocks external light from entering the light guide 2. When the adapter 32 and the light-shielding component 38 are assembled and connected, in order to avoid poor light leakage, the end faces of the adapter 32 and the light-shielding component 38 away from the detection end 1 are ground flat to reduce surface roughness. The adapter 32 is configured as a metal part, and the light-shielding component 38 is configured as an acrylic part. Acrylic parts are easy to grind, which helps to improve assembly efficiency.

[0087] The fiber optic probe provided in this embodiment, such as Figure 5 and Figure 6 As shown, it also includes a chip 36, which is installed between the housing 31 and the adapter 32; the second tube 34 has an assembly part, and the chip 36 is installed in the assembly part; the third tube 35 has a clearance part, and the assembly part is located in the clearance part. The clearance part is configured as a sliding groove. The chip 36 protects the ID information of the fiber optic probe; the external host reads the information of the chip 36, updates the number of times the fiber optic probe has been used and the usage time in the database, and judges the disinfection test and usage consumption of the fiber optic probe based on the number of times the probe has been used and the usage time, thereby monitoring the service life of the fiber optic probe and ensuring the safe use of the fiber optic probe.

[0088] The fiber optic probe provided in this embodiment also includes an insulating component 37, such as... Figure 2 As shown, the chip component 36 and the insulating component 37 are configured for detachable connection. The chip component 36 includes a first pin 361 and a second pin 362 spaced apart. The insulating component 37 has a receiving groove, in which any pin is installed. The insulating component 37 also has a connecting groove, which abuts against the side of the second tube 34 near the detection end 1. The connecting groove limits the second tube 34, and the second locking member 43 and the second tube 34 abut against each other on both sides of the insulating component 37. The assembly part has an opening side, through which the first pin 361 and the second pin 362 extend into the insulating component 37.

[0089] The optical fiber probe provided by the embodiment is locked on the adapter 32 by the locking assembly, the locking end of the second locking member 43 limits one side of the pipe body assembly, the second locking member 43 limits the pipe body assembly along the extension direction of the adapter 32, the locking end of the first locking member 41 abuts against the pipe body assembly, the first locking member 41 limits the pipe body assembly and the shell 31 along the extension direction perpendicular to the adapter 32, thereby forming locking forces arranged in perpendicular intersection, the first locking member 41 is arranged in central symmetry along the extension direction of the adapter 32, so that the plurality of first locking members 41 can uniformly lock the shell 31 and the sleeve assembly on the adapter 32, thereby enhancing the coaxiality of the shell 31, the sleeve assembly and the adapter 32, ensuring the accurate alignment of the transmission direction of the transmission element and the transmission path provided by the optical fiber probe, thereby improving the positioning ability and positioning accuracy of the optical fiber probe, further reducing the attenuation loss of the optical fiber transmission, and ensuring the imaging accuracy and imaging effect of the confocal microscopic imaging system.

[0090] Embodiment 2

[0091] The confocal microscopic imaging system provided by the embodiment comprises the optical fiber probe of the embodiment 1. The sleeve assembly, the adapter 32 and the shell 31 are locked and limited by the locking assembly in the optical fiber probe, so as to improve the structural connection accuracy, enhance the coaxiality, ensure the accurate alignment of the extension direction of the light guide 2 and the transmission path provided by the optical fiber probe, and ensure the imaging accuracy and imaging effect of the confocal microscopic imaging system.

[0092] Obviously, the above embodiment is only an example for clearly illustrating, but not a limitation to the embodiments. Other different forms of changes or variations can be made on the basis of the above description by those skilled in the art. Here, all the embodiments do not need to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An optical fiber probe, characterized by, The detection end (1) and the connector (3) are in optical communication connection, the connector (3) comprises: A shell (31); An adapter (32) installed in the shell (31); A tube assembly is sleeved on the adapter (32), which is arranged between the shell (31) and the adapter (32); And a locking assembly, the locking assembly comprises a first locking piece (41) and a second locking piece (43), the first locking piece (41) is installed on the shell (31), the locking end of the first locking piece (41) is arranged in abutment with the tube assembly, the first locking piece (41) is arranged in central symmetry along the extension direction of the adapter (32), and the second locking piece (43) is installed on the adapter (32), and the locking end of the second locking piece (43) is arranged in abutment with one side of the tube assembly. The tube assembly comprises: A first tube (33) sleeved on the adapter (32); A second tube (34) sleeved on the adapter (32), the second tube (34) and the first tube (33) are arranged in abutment, the second tube (34) is arranged between the first tube (33) and the detection end (1), and the locking end of the first locking piece (41) is arranged in abutment with the first tube (33) and / or the second tube (34); And a third tube (35) sleeved on the first tube (33) and the second tube (34), the third tube (35) is arranged in abutment with the shell (31) on the side away from the adapter (32).

2. The optical fiber probe of claim 1, wherein, Further comprising a limiting structure, the limiting structure comprises: A first limiting portion is formed on the side of the adapter (32) facing the tube assembly; A second limiting portion is formed on the inner wall surface of the first tube (33) facing the adapter (32); A third limiting portion is formed on the outer wall surface of the first tube (33) facing the third tube (35); A fourth limiting portion is formed on the inner wall surface of the second tube (34) facing the adapter (32); A fifth limiting portion is formed on the outer wall surface of the second tube (34) facing the third tube (35); A sixth limiting portion is formed on the inner wall surface of the third tube (35) facing the adapter (32); The first limiting portion is arranged in abutment with the second limiting portion, the fourth limiting portion, respectively; and the sixth limiting portion is arranged in abutment with the third limiting portion, the fifth limiting portion, respectively.

3. The optical fiber probe of claim 2, wherein, Any limiting portion is provided as a planar structure or a corresponding convex structure and groove structure; and / or The extension direction of any limiting portion is parallel to the extension direction of the adapter (32); and / or The first locking piece (41) is arranged in linear array along the extension direction of the adapter (32).

4. The optical fiber probe of claim 1, wherein, Further comprising a chip piece (36) and an insulating piece (37), the chip piece (36) and the insulating piece (37) are configured to be detachably connected; the chip piece (36) is installed between the shell (31) and the adapter piece (32); The second pipe body (34) is provided with an assembly part, and the chip piece (36) is installed in the assembly part; the third pipe body (35) is provided with a avoiding part, and the assembly part is arranged in the avoiding part.

5. The optical fiber probe of claim 4, wherein, The chip piece (36) comprises a first pin (361) and a second pin (362) arranged at intervals, and the insulating piece (37) is provided with a receiving groove, and any pin is installed in the receiving groove; And / or The insulating piece (37) is provided with a connecting groove, and the connecting groove and the second pipe body (34) are arranged in abutment on the side close to the detection end (1).

6. The optical fiber probe of claim 1, wherein, The first pipe body (33) is provided with an abutment flange, the third pipe body (35) is provided with an abutment groove, and the abutment flange is installed in the abutment groove; and / or The shell (31) is provided with a limiting groove, and the third pipe body (35) is provided with a limiting flange, and the limiting flange is installed in the limiting groove; and / or The third pipe body (35) is provided with a connecting part, and the locking end of at least part 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.

7. The optical fiber probe according to any one of claims 1-6, wherein, Further comprising a triangular head structure, the triangular head structure is formed on the adapter piece (32); the triangular head structure is provided with three connection surfaces arranged in series, and a transition surface is arranged between adjacent connection surfaces; and / or The shell (31) has a first channel (311), and the adapter piece (32) has a second channel (321), and the extension directions of the first channel (311) and the second channel (321) are coaxially arranged; and / or Further comprising a positioning plate (42), the positioning plate (42) is installed on the shell (31), the first locking piece (41) penetrates the shell (31) and the positioning plate (42), and the shell (31) is provided with a receiving groove, and the positioning plate (42) is installed in the receiving groove.

8. The optical fiber probe according to any one of claims 1-6, wherein, Further comprising a light shielding piece (38), the light shielding piece (38) is installed on the side of the adapter piece (32) away from the detection end (1); the adapter piece (32) is provided with a mounting groove, and the light shielding piece (38) is installed in the mounting groove, and the end face of the light shielding piece (38) away from the detection end (1) is coplanar with the end face of the adapter piece (32) away from the detection end (1); and / or The detection end (1) comprises a detection objective lens; Further comprising a light guide piece (2), the light guide piece (2) is arranged between the detection objective lens and the connector (3).

9. A confocal microscopic imaging system, characterized by The optical fiber probe comprises the connector (3) according to any one of claims 1-8.

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