CN114994842A - Medical laser optical fiber interconnecting device and medical laser optical fiber system formed by same - Google Patents
Medical laser optical fiber interconnecting device and medical laser optical fiber system formed by same Download PDFInfo
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- CN114994842A CN114994842A CN202210914471.8A CN202210914471A CN114994842A CN 114994842 A CN114994842 A CN 114994842A CN 202210914471 A CN202210914471 A CN 202210914471A CN 114994842 A CN114994842 A CN 114994842A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B18/26—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor for producing a shock wave, e.g. laser lithotripsy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B2018/2205—Characteristics of fibres
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Abstract
The invention discloses a medical laser optical fiber interconnector and a medical laser optical fiber system formed by the same, which comprises a shell, wherein a collimation focusing lens is arranged in the shell, one end of the shell is provided with a first connecting part matched with a relay optical fiber assembly, the other end of the shell is detachably connected with a second connecting part matched with an application optical fiber assembly, the second connecting part adjusts the input end face of the application optical fiber assembly to move to the focusing point of the collimation focusing lens, and one side of the side face of the collimation focusing lens, close to the second connecting part, is provided with a protective lens. The invention realizes that the medical laser fiber is not easy to use at one time and is easy to generate cross infection, and simultaneously, the optical signals can be effectively aligned after the laser fiber is segmented, so that the transmission of the laser signals is not different from that of the existing complete fiber, and the normal use of the applied fiber is ensured.
Description
Technical Field
The invention relates to the technical field of medical laser optical fibers, in particular to a medical laser optical fiber interconnector and a medical laser optical fiber system formed by the same.
Background
Laser is used in clinical medicine, and generally needs to transmit laser energy to the body surface or the body through a laser fiber to perform diagnosis or treatment, and the application is increased along with the technical progress of laser and the improvement of clinical medical level. In order to avoid cross infection, the disposable use of the medical laser fiber is imperative in clinic. However, in consideration of the convenience of operation of medical staff, the length of the optical fiber used in clinic is relatively long, for example, the optical fiber used for holmium laser lithotripsy is usually about 3 meters, the cost of the long optical fiber is high, generally about ten thousand yuan, and the optical fiber becomes the bottleneck of realizing disposable use. Therefore, at present, the medical laser fiber is almost reused for multiple times clinically, cross infection is easy to occur, and meanwhile, if the medical laser fiber is segmented, the optical signal transmission of the two laser fibers is not easy to align, so that the medical laser fiber is not beneficial to diagnosis or treatment.
Disclosure of Invention
The invention aims to provide a medical laser optical fiber interconnector and a medical laser optical fiber system formed by the same, which are used for solving the problems that a medical laser optical fiber cannot be used once, cross infection is easy to occur, and optical signals are difficult to align after the laser optical fiber is segmented.
In order to solve the technical problem, the invention adopts the following scheme:
medical laser optical fiber interconnector, including the casing, be equipped with the collimation focusing mirror in the casing, casing one end be equipped with relay optical fiber assembly complex first connecting portion, the other end shell is dismantled and is connected and use optical fiber assembly complex second connecting portion, and the second connecting portion adjust use optical fiber assembly's input terminal surface move to the focus point of collimation focusing mirror on, the collimation focusing mirror side closes on one side of second connecting portion and is equipped with the safety mirror.
Optionally, the second connecting portion is a columnar structure with a through cavity, one end of the second connecting portion is slidably sleeved in the shell, and an external thread is arranged on the outer wall of the other end of the second connecting portion.
Optionally, the shell is internally provided with an installation cavity for slidably sleeving the second connecting portion, and the diameter of the installation cavity is larger than that of the second connecting portion.
Optionally, three threaded holes penetrating through the side wall of the casing are uniformly distributed in the circumferential direction of the casing, and positioning screws used for positioning the second connecting part are arranged in the threaded holes.
Optionally, the first connecting portion is a columnar structure with a through cavity, one end of the first connecting portion is fixedly connected with the shell, and an external thread is arranged on the outer wall of the other end of the first connecting portion.
Optionally, the collimating focusing lens is fixed in the casing through a fixing screw penetrating through a side wall of the casing.
The medical laser optical fiber system comprises a relay optical fiber component, an application optical fiber component and the medical laser optical fiber interconnecting device, wherein two ends of the optical fiber interconnecting device are connected with the relay optical fiber component and the application optical fiber component respectively through a first connecting part and a second connecting part in a matched mode.
Optionally, the relay optical fiber assembly includes a relay optical fiber and a first SMA connector, the length of the relay optical fiber is 1 to 3m, the diameter of the fiber core is 0.1 to 2mm, one end of the first SMA connector is rotatably connected to the relay optical fiber, and the other end of the first SMA connector is connected to the external thread of the first connection portion in a matching manner.
Optionally, the application optical fiber assembly includes an application optical fiber and a second SMA joint, the length of the application optical fiber is 0.2-2m, the diameter of the fiber core is 0.1-2mm, one end of the second SMA joint is rotatably connected with the relay optical fiber, and the other end of the second SMA joint is connected with the external thread of the second connecting portion in a matching manner.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, a medical laser fiber about 3m is divided into two sections, wherein one section is a relay fiber (the fiber which is used for connecting a laser generator and related laser medical equipment) and a first SMA joint, the other section is a fiber which uses light (the fiber which enters the human body for operation) and a second SMA joint, the length of the application fiber is about one third of that of the relay fiber, the two sections of fibers are connected through a fiber interconnector and realize the connection of laser optical signals, when in actual application, the application fiber only needs to be stretched into the body for normal related operation, after the diagnosis or treatment is finished, the second SMA joint is rotated, the application fiber and the second SMA joint are detached from the fiber interconnector together, and a new application fiber with the second SMA joint is replaced again, so that the disposable use can be realized, the cross infection among different patients is avoided, and the length of the application fiber is relative to the existing fiber with the length of 3m, the replacement costs are significantly lower.
2. The relay optical fiber and the application optical fiber are connected with a first connecting part and a second connecting part on the shell of the interconnection device in a matching way through the SMA joint, the first connecting part is fixed at one end of the shell, the second connecting part is in sliding sleeve joint with the installation cavity in the shell and can also relatively rotate and slide, after the relay optical fiber is connected and fixed, the position of the relay optical fiber is not changed, after the application optical fiber is connected on the second connecting part, the contact area of the second connecting part and the installation cavity is changed by manually rotating and transversely moving the second connecting part, the input end surface of the application optical fiber can be adjusted in real time to move to the focus point of the collimation focusing mirror, so that the signal paths of the two optical fibers are positioned on the same straight line, then the positioning screw rod is screwed, the wire core of the application optical fiber is fixed, and the laser signal emitted by the relay optical fiber can be coupled to the input end surface of the application optical fiber after passing through the collimation focusing mirror, the whole laser signal is completely transmitted without easy loss, thus ensuring that the segmented medical laser fiber has the same functional effect as the existing whole medical laser fiber and ensuring the accuracy of diagnosis or medical treatment.
3. The protective lens is used for protecting the collimating focusing lens and preventing the collimating focusing lens from being polluted by flying chips generated by unclean, dust or excessive use of the end face of the input end of the optical fiber, so that the coupling of laser beams is not influenced by poor focusing. If the protective glasses are polluted, the replacement cost is low.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the housing;
FIG. 4 is a schematic view of a second connecting portion;
FIG. 5 is a top view structural view of a casing in embodiment 2;
FIG. 6 is a sectional structural view of a casing in embodiment 2;
FIG. 7 is a side perspective view of FIG. 5;
FIG. 8 is a top view of the cover plate;
FIG. 9 is a side view of the cover plate;
fig. 10 is a front view of the cover plate.
Reference numerals are as follows: 1-shell, 2-collimation focusing lens, 3-protective lens, 4-first connecting part, 5-second connecting part, 6-fixing screw rod, 7-positioning screw rod, 8-pin, 9-first SMA connector, 10-relay optical fiber, 11-second SMA connector, 12-application optical fiber, 13-channel, 14-installation cavity, 15-threaded hole, 16-relay optical fiber component, 17-application optical fiber component, 18-cover plate, 181-vertical part, 182-transverse part, 19-through hole, 20-clamping plate, 21-arc notch, 22-clamping groove, 23-installation groove, 24-pin hole, 25-optical fiber interconnector and 26-input end face.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, or that are conventionally placed when the product of the present invention is used, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Medical laser optical fiber interconnector, including casing 1, be equipped with collimation focusing mirror 2 in the casing 1, 1 one end of casing is equipped with relay optical fiber assembly 16 complex first connecting portion 4, the other end can be dismantled and be connected with and use optical fiber assembly 17 complex second connecting portion 5, and second connecting portion 5 adjusts and uses the input end face 26 of optical fiber assembly 17 to move to the focus point of collimation focusing mirror 2 on, one side that collimation focusing mirror 2 side closes on second connecting portion 5 is equipped with protective glass 3.
In this embodiment, as shown in fig. 1 and fig. 2, it should be noted that the housing 1 is made of 304 stainless steel, and the cross section of the housing is in a regular hexagon shape, so that when the housing 1 is connected with the relay optical fiber assembly 16 and the application optical fiber assembly 17, the housing has a good fitting property with a hand, so that when the hand sweats, a slip phenomenon is not likely to occur, the housing 1 is conveniently and quickly connected with the two optical fiber assemblies, and meanwhile, the surface of the housing is in a six-sided plane shape, as shown in fig. 7, the processing equipment is also convenient to perform operations such as drilling on the surface of the housing 1, for example, a drill bit is not likely to have a position deviation or a slip phenomenon, and the position of a drilled hole is more accurate; a channel 13 penetrating through the shell 1 is arranged in the shell 1 and used for transmitting a laser signal to an application optical fiber assembly 17 by a relay optical fiber assembly 16, a first connecting part 4 is fixedly connected to the left end of the shell 1, the first connecting part 4 is connected with the relay optical fiber assembly 16 in a matching way, a second connecting part 5 is detachably connected to the right end of the shell 1, the second connecting part 5 is connected with the application optical fiber assembly 17 in a matching way, a laser generator in medical equipment is connected to the left end of the relay optical fiber assembly 16, the right end of the application optical fiber 12 extends into a human body to treat a diseased part, after the connection is completed, the position of the application optical fiber assembly 17 is adjusted by the second connecting part 5, so that an input end face 26 of the application optical fiber assembly 17 moves to a focusing point of a collimating focusing mirror 2, and the laser signal emitted by the relay optical fiber assembly 16 can be coupled to the input end face 26 of the application optical fiber assembly 17 after passing through the collimating focusing mirror 2, the optical fiber is received by the fiber core of the applied optical fiber 12, the complete transmission of the whole laser signal is realized, and the deletion is not easy to occur, so that the functional effect of the segmented medical laser optical fiber and the existing whole medical laser optical fiber can be ensured to be the same, and the diagnosis or medical accuracy is ensured.
It should be noted that, the medical laser optical fiber of about 3m is divided into two sections, one of which is the relay optical fiber component 16 (the optical fiber for connecting the laser generator and the relevant laser medical equipment), the other is the light using component 17 (the optical fiber for entering the human body to operate), the length of the application optical fiber 12 in the application optical fiber component 17 is about one third of the length of the relay optical fiber 10 in the relay optical fiber component 16, the two optical fiber components are connected and realize the connection of the laser optical signal, in the practical application, only the working end of the application optical fiber 12 needs to be extended into the body to perform the normal relevant operation, after the diagnosis or the treatment is finished, the application optical fiber component 17 is detached from the optical fiber interconnecting device 25, the application optical fiber component 17 is a standard component sold, and can be directly purchased and then a new application optical fiber component 17 is installed again, thus realizing the disposable use, cross-contamination between different patients is avoided, and the replacement cost of the optical fiber 12 is significantly lower than that of the existing optical fiber with the length of 3 m.
Further, as shown in fig. 4, the second connecting portion 5 is a cylindrical structure having a through cavity, one end of the second connecting portion 5 is slidably sleeved in the housing 1, and an external thread is arranged on an outer wall of the other end of the second connecting portion. It should be noted that the second connecting portion 5 is a hollow cylindrical structure, the left end of the second connecting portion 5 is slidably sleeved with the housing 1, and can rotate or translate with the housing 1, the outer wall of the right side of the second connecting portion 5 is provided with external threads, so as to be convenient for connecting and detaching with an SMA connector in the applied optical fiber assembly 17, the SMA connector is a commonly used connecting device in the existing laser optical fiber connection, the SMA connector is a sleeve with internal threads and is rotatably sleeved with optical fibers, when the SMA connector is connected, the SMA connector is rotated to the external threads of the second connecting portion 5 to complete connection and fixation, the SMA connector is convenient and fast, in practice, the SMA connector is provided with a plurality of bar-shaped anti-slip grooves, and the phenomenon of slipping when a finger sweats is avoided, so that the SMA connector is more easily and firmly connected with the second connecting portion 5.
Further, as shown in fig. 3 and 4, a mounting cavity 14 for slidably receiving the second connecting portion 5 is provided in the housing 1, and a diameter of the mounting cavity 14 is slightly larger than a diameter of the second connecting portion 5. It should be noted that, a cylindrical installation cavity 14 is provided in the middle of the right end of the housing 1, the installation cavity 14 is matched with the diameter of the left end of the second connection portion 5, such that the end of the second connection portion 5 without external threads can be slidably inserted into the installation cavity 14 to implement rotation and translation, a certain sliding gap exists between the inner wall of the installation cavity 14 and the outer wall of the second connection portion 5, such that after the second connection portion 5 is sleeved in the installation cavity 14, a certain movable space is provided in the radial direction and the axial direction, the application optical fiber assembly 17 is moved in the axial direction (the optical fiber length direction) to move the input end face 26 of the application optical fiber assembly 17 to the focus point of the collimating focusing mirror 2, the focus point of the collimating focusing mirror 2 needs to fall on the input end face 26 of the application optical fiber 12 completely, integrity of transmission and reception of laser signals at two ends on the same straight line is ensured, and the loss of laser signals is avoided, the segmented medical laser fiber has the same effect as the laser signal transmission of the existing complete laser fiber, and the accuracy of later diagnosis and treatment is ensured.
Further, as shown in fig. 1 and 7, three threaded holes 15 penetrating through the side wall of the housing 1 are uniformly distributed in the circumferential direction of the housing 1, and positioning screws 7 for positioning the second connecting portion 5 are arranged in the threaded holes 15. It should be noted that three threaded holes 15 penetrating through the side wall of the housing 1 are circumferentially formed in the side wall of the housing 1, an included angle between the threaded holes 15 is 120 degrees, the threaded holes 15 are internally threaded and connected with matched positioning screws 7, after the application optical fiber assembly 17 is connected to the second connecting portion 5, the input end face 26 of the application optical fiber 12 is moved to the focus point of the collimating focus lens 2 by manually moving the second connecting portion 5 in the transverse direction, the positioning screws 7 can be rotated forward or backward by a special tool (screwdriver), the positioning screws 7 are screwed tightly, the second connecting portion 5 is fixed, so that the focus point formed after the laser signal emitted by the relay optical fiber 10 passes through the collimating focus lens 2 completely falls on the input end face 26 of the application optical fiber 12, the laser signal can be completely received by the fiber core of the application optical fiber 12, the whole laser signal can be completely transmitted, and is not easy to miss, therefore, the segmented medical laser optical fiber can be ensured to have the same functional effect as the whole medical laser optical fiber in the prior art, and the accuracy of diagnosis or medical treatment is ensured.
Further, as shown in fig. 1, the first connecting portion 4 is a columnar structure having a through cavity, one end of the first connecting portion 4 is fixedly connected with the housing 1, and an external thread is arranged on an outer wall of the other end of the first connecting portion. It should be noted that, first connecting portion 4 is hollow cylindrical structure, the right-hand member of first connecting portion 4 is with casing 1 integrated into one piece, unable rotation or translation, be equipped with the external screw thread on the outer wall of first connecting portion 4, be convenient for with the SMA articulate and the dismantlement in the relay fiber assembly 16, the SMA connects the connecting device who commonly uses among the current laser fiber connection, the SMA connects exactly one and has the internal screw thread sleeve, and cup joint with optic fibre rotation, when connecting, connect SMA to rotate to the external screw thread of first connecting portion 4 and can accomplish to connect fixedly, and is convenient and fast, in practice, be equipped with more bar antiskid groove on the SMA connects, avoid the finger to sweat, be difficult for connecting firmly with first connecting portion 4.
Further, the optical element is a collimating focusing lens 2, and the collimating focusing lens 2 is fixed in the housing 1 through a fixing screw 6 penetrating through the side wall of the housing 1. It should be noted that the collimating focusing lens 2 can effectively focus the divergent laser beam and then emit the focused laser beam, so as to avoid divergence of the laser signal, reduce loss amount of the laser signal, ensure that the application optical fiber 12 can completely receive the laser signal emitted by the relay optical fiber 10, and make the laser signals emitted by the optical fibers at two ends and received by the optical fibers at two ends basically consistent, so that the same effect as that of the existing optical fiber with the length of about 3 meters can be realized, and the cost can be saved, so that the collimating focusing lens is disposable, and is beneficial to later diagnosis or treatment.
Example 2
In this embodiment, as shown in fig. 5 to 10, on the basis of the above embodiments, in order to facilitate the installation and replacement of the collimating focusing lens 2, an annular installation groove 23 may be disposed on the channel 13 in the housing 1, the installation groove 23 is matched with the collimating focusing lens 2 in the size direction, so that the collimating focusing lens 2 can be directly placed in the installation groove 23, a cross-shaped slot 22 is disposed on the top surface of the housing 1, a pin hole 24 is disposed at the left end of the slot 22, a cross-shaped cover plate 18 is installed in the slot 22, the cover plate 18 is divided into a transverse portion 182 and a vertical portion 181, a through hole 19 corresponding to the pin hole 24 is disposed at the left end of the transverse portion 182, the through hole 19 is designed as a tapered counter bore, a clamping plate 20 having an arc notch 21 is integrally connected to the bottom surface of the vertical portion 181, the arc notch 21 is disposed at the lower end of the clamping plate 20, after the collimating focusing lens 2 is installed in the installation groove 23, place apron 18 in draw-in groove 22, arc breach 21 of cardboard 20 just can block on the circumference cambered surface of collimation focusing mirror 2, pass through-hole 19 from top to bottom through pin 8 at last and get into pinhole 24 in, fix apron 18 in mounting groove 23, it is fixed with collimation focusing mirror 2 chucking to aim at the collimation focusing mirror 2 and advance to seal, avoid debris to get into the inside pollution mirror surface, aim at collimation focusing mirror 2 and play effectual protection, also be convenient for the installation and the change of collimation focusing mirror 2.
Furthermore, one side of the collimation focusing lens 2 close to the second connecting part 5 is provided with a protective lens 3.
Example 3
As shown in fig. 1 and 2, the medical laser optical fiber system includes a relay optical fiber assembly 16, an application optical fiber assembly 17, and the medical laser optical fiber interconnection device, wherein two ends of the optical fiber interconnection device 25 are respectively connected to the relay optical fiber assembly 16 and the application optical fiber assembly 17 through a first connection portion 4 and a second connection portion 5 in a matching manner.
Further, the relay optical fiber assembly 16 comprises a relay optical fiber 10 and a first SMA connector 9, the length of the relay optical fiber 10 is 1-3m, the diameter of a fiber core is 0.1-2mm, one end of the first SMA connector 9 is rotatably connected with the relay optical fiber 10, and the other end of the first SMA connector is connected with the external thread of the first connecting part 4 in a matching manner.
Further, the application optical fiber assembly 17 comprises an application optical fiber 12 and a second SMA joint 11, the length of the application optical fiber 12 is 0.2-2m, the diameter of the fiber core is 0.1-2mm, one end of the second SMA joint 11 is rotatably connected with the relay optical fiber 10, and the other end of the second SMA joint is connected with the external thread of the second connecting part 5 in a matching manner.
In this embodiment, it should be noted that, the existing medical laser fiber of about 3m is divided into two segments, one of which is a relay fiber assembly 16 (an optical fiber for connecting a laser generator and related laser medical equipment), the other is an application fiber assembly 17 (an optical fiber for entering a human body to operate, which needs to be replaced after use), the length of the application fiber 12 is about one third of the relay fiber 10, the two segments of the optical fibers are connected through a fiber interconnector 25 and achieve the connection of laser optical signals, specifically, a first SMA connector 9 on the relay fiber 10 is firmly connected with an external thread of a first connecting portion 4, a second SMA connector 11 on the application fiber 12 is firmly connected with an external thread on a second connecting portion 5, then a non-threaded segment of a bottom connecting portion is inserted into an installation cavity 14 of a housing 1, and meanwhile, the second connecting portion 5 is adjusted to be located at a transverse position in the installation cavity 14, until the input end face 26 of the application optical fiber 12 moves to the focus point of the collimating focus lens 2, the three fastening positioning screws 7 are screwed to firmly fix the second connecting part 5, and diagnosis and treatment can be carried out. The laser signal emitted by the relay optical fiber 10 can effectively focus the scattered laser beam into a point shape through the collimation focusing mirror 2, the laser focusing point falls on the input end face 26 of the application optical fiber 12 to generate a coupling phenomenon, the transmission of the laser signal is realized, the collimation focusing mirror 2 avoids the scattering of the laser signal, the loss amount of the laser signal is reduced, the application optical fiber 12 can completely receive the laser signal emitted by the relay optical fiber 10, the laser signals emitted by the optical fibers at two ends and received by the optical fibers are basically consistent, the same effect can be realized with the existing optical fiber with the length of about 3 meters, and the later diagnosis or treatment is facilitated.
During actual diagnosis or treatment, the working end of the application optical fiber 12 only needs to be stretched into the body to perform normal related operation, after the diagnosis or treatment is finished, the application optical fiber 12 and the second SMA connector 11 are detached from the optical fiber interconnector 25, and then a new application optical fiber assembly 17 is replaced again, because the application optical fiber assembly 17 is manufactured and purchased together with the application optical fiber 12 and the second SMA connector 11 due to the manufacturing consistency of the application optical fiber assembly 17, the second connecting part 5 is fixed and fixed firmly after being adjusted in place for the first time, and the application optical fiber assembly 17 does not need to be adjusted again after being replaced, so that the speed of replacing the application optical fiber assembly 17 is increased, and the time for a focus point to fall on the input end face 26 is reduced. The optical fiber can be rapidly replaced and installed, and the next patient can be diagnosed and treated, so that the disposable use of the laser optical fiber in medical treatment can be realized, the cross infection among different patients is avoided, and the replacement cost of the optical fiber 12 is remarkably lower compared with the existing optical fiber with the length of 3 m.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications, equivalent arrangements, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.
Claims (9)
1. Medical laser optical fiber interconnector, including casing (1), its characterized in that, be equipped with collimation focusing mirror (2) in casing (1), casing (1) one end be equipped with relay optical fiber assembly (16) complex first connecting portion (4), the other end can be dismantled and be connected with and use optical fiber assembly (17) complex second connecting portion (5), and second connecting portion (5) adjust input terminal surface (26) of using optical fiber assembly (17) and move to the focus point of collimation focusing mirror (2), one side that collimation focusing mirror (2) side closes on second connecting portion (5) is equipped with protective glass (3).
2. The medical laser optical fiber interconnector of claim 1, wherein the second connecting portion (5) is a cylindrical structure having a through cavity, one end of the second connecting portion (5) is slidably sleeved in the housing (1), and an external thread is provided on an outer wall of the other end.
3. The medical laser optical fiber interconnector of claim 2, wherein the housing (1) has a mounting cavity (14) for slidably receiving the second connecting portion (5), and the diameter of the mounting cavity (14) is larger than the diameter of the second connecting portion (5).
4. The medical laser optical fiber interconnector of claim 3, wherein three threaded holes (15) are evenly distributed in the circumferential direction of the housing (1) and penetrate through the side wall of the housing (1), and positioning screws (7) for positioning the second connecting part (5) are arranged in the threaded holes (15).
5. The medical laser optical fiber interconnector of claim 1, wherein the first connecting portion (4) is a cylindrical structure having a through cavity, one end of the first connecting portion (4) is fixedly connected to the housing (1), and an external thread is provided on an outer wall of the other end.
6. The medical laser fiber interconnector of claim 1, wherein the collimating and focusing mirror (2) is fixed in the housing (1) by means of a fixing screw (6) penetrating the side wall of the housing (1).
7. Medical laser optical fiber system, comprising a relay optical fiber assembly (16), an application optical fiber assembly (17), and further comprising the medical laser optical fiber interconnector according to any one of claims 1-6, wherein both ends of the optical fiber interconnector (25) are respectively connected with the relay optical fiber assembly (16) and the application optical fiber assembly (17) in a matching manner through a first connecting portion (4) and a second connecting portion (5).
8. The medical laser fiber system according to claim 7, wherein the relay fiber assembly (16) comprises a relay fiber (10) and a first SMA connector (9), the length of the relay fiber (10) is 1-3m, the diameter of a fiber core is 0.1-2mm, one end of the first SMA connector (9) is rotatably connected with the relay fiber (10), and the other end of the first SMA connector is connected with an external thread of the first connector (4) in a matching manner.
9. The medical laser fiber system according to claim 7, wherein the application fiber assembly (17) comprises an application fiber (12) and a second SMA connector (11), the length of the application fiber (12) is 0.2-2m, the diameter of the fiber core is 0.1-2mm, one end of the second SMA connector (11) is rotatably connected with the relay fiber (10), and the other end of the second SMA connector is in fit connection with the external thread of the second connecting part (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210914471.8A CN114994842A (en) | 2022-08-01 | 2022-08-01 | Medical laser optical fiber interconnecting device and medical laser optical fiber system formed by same |
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| CN202210914471.8A CN114994842A (en) | 2022-08-01 | 2022-08-01 | Medical laser optical fiber interconnecting device and medical laser optical fiber system formed by same |
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Application publication date: 20220902 |