CN203524628U - Connecting structure of optical fibers and endoscope system - Google Patents
Connecting structure of optical fibers and endoscope system Download PDFInfo
- Publication number
- CN203524628U CN203524628U CN201320616922.6U CN201320616922U CN203524628U CN 203524628 U CN203524628 U CN 203524628U CN 201320616922 U CN201320616922 U CN 201320616922U CN 203524628 U CN203524628 U CN 203524628U
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- Prior art keywords
- optical fiber
- maintaining part
- syndeton
- endoscope
- light
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- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model provides a connecting stricture of optical fibers and an endoscope system provided with the connecting structure of the optical fibers, wherein the connecting structure can reduce transmission losses and smoothly connect the optical fibers without interfering with respective clamping of the optical fibers. The connecting structure (71) of the optical fibers is provided with an optical fiber maintaining part (68) for maintaining the first optical fibers (54), a support part (100), an optical fiber maintaining part (63) for maintaining the second optical fibers (35) and a support part (110). The support part (100) is provided with an outer casing pipe (101), an inner casing pipe (102), a fixing tube (103) and a spiral spring (104). The outer circumferential face of the inner casing pipe (102) and the inner circumferential face of the outer casing pipe (101) are embedded. The inner circumferential face of the inner casing pipe (102) and the outer circumferential face of the optical fiber maintaining part (68) are embedded to connect the first optical fibers (54) with the second optical fibers (35). Slits (105) are formed in the inner casing pipe (102) and used for allowing dust attached to the inner casing pipe (102) to be discharged.
Description
Technical field
This utility model relates to the syndeton of the optical fiber for the optical fiber that is built in endoscope and light supply apparatus is connected and the endoscopic system that has used this syndeton.
Background technology
In medical field, utilized the diagnosis of endoscope.The front end of the insertion section of endoscope in being inserted into detection bodies has illuminating window, and the light supply apparatus connecting by light guide Cong Yu endoscope is to illuminating window guiding illumination light, thereby can be to detection bodies irradiating illumination light.As illuminating light guide, use multifiber is tied up to the fibre bundle forming.Be respectively charged into light guide in endoscope and light supply apparatus when being arranged at the adapter of endoscope and the adapter of light supply apparatus and being connected, the end face of light guide connects airtight each other and connects optically.
The adapter of endoscope produces damage at the front end of optical fiber sometimes because of the impact in when mounting or dismounting.When the front end at optical fiber produces damage, connect loss and become large.And, in the situation that the burning such as the optical power density of the front end of optical fiber is high, the part of damage and make the front end generation scaling loss of optical fiber or lock pin, or sometimes also because fiber core fusing phenomenon makes optical fiber prolong burning.The scaling loss of the optical fiber causing for atraumatic generation etc., the optical fiber of having invented the optical power density of the coupling part that reduces optical fiber transmits road.For example, in the utility model of recording at patent documentation 1,2, in the front end welding of single-mode fiber, as collimating lens, bring into play the refraction index gradual change collimator (graded index collimator) of function, widen mode field diameter.
In recent years, studied the situation of using laser illuminator system in illumination for endoscope.This laser illuminator system grows tall the laser aiming of output to fluorophor by light guide by shortwave, by LASER Excited Fluorescence body, obtains illumination light.In light guide, do not use fibre bundle, and use, there is a for example root multimode fiber of large core diameters more than 100 μ m.
In the endoscope apparatus of recording at patent documentation 3, there is optical fiber that the laser for excited fluophor is guided syndeton each other.This endoscope apparatus is used multimode fibre to be used as optical fiber, and by the lock pin of the optical fiber of fixed light source and refraction index gradual change collimator so that the state of the end face butt of the end face of multimode fibre and refraction index gradual change collimator is held in sleeve pipe.In addition, the optical fiber of endoscope's side is also fixed on lock pin, and is held in sleeve pipe together with refraction index gradual change collimator.
The syndeton that patent documentation 3 is recorded has the inner peripheral surface engaging with the outer peripheral face of the sleeve pipe of endoscope side on the sleeve pipe of light source side, when the adapter of Qie Jiang endoscope side is connected with the socket of light supply apparatus side, the sleeve pipe by making light source side engages to carry out para-position mutually with the sleeve pipe of endoscope's side.Thus, optical fiber is connected each other optically.
[formerly technical literature]
[patent documentation]
[patent documentation 1] TOHKEMY 2005-077549 communique
[patent documentation 2] TOHKEMY 2002-350666 communique
[patent documentation 3] TOHKEMY 2011-152371 communique
[summary of utility model]
[problem that utility model will solve]
In the endoscope apparatus of recording at above-mentioned patent documentation 3, in order to carry out optical fiber with scholar's para-position, and the sleeve pipe of light source side is set very narrowly with the interval that engages of the sleeve pipe of endoscope side.But, because the adapter of endoscope and the socket of light supply apparatus mounting or dismounting frequency is high, therefore easily accumulating dust, especially when dust lodges in the inside of sleeve pipe of light source side, can hinder and the engaging of the sleeve pipe of endoscope side.In the situation that the sleeve pipe of light source side do not engage with the sleeve pipe of endoscope side, or insufficient with the engaging of the sleeve pipe of endoscope side and in situation that core shift is connected, the precision of optical fiber para-position each other reduces and transmits loss and become large.
Utility model content
The purpose of this utility model is to provide a kind of loss that can reduce to transmit, and in the situation that does not hinder the syndeton of the optical fiber that mutual engaging successfully connects optical fiber each other and possess the endoscopic system of the syndeton of this optical fiber.
[for solving the means of problem]
This utility model provides a kind of syndeton of optical fiber, it is arranged at endoscopic system, this endoscopic system has endoscope and light supply apparatus, this endoscope has insertion section, this insertion section is inserted in detection bodies, and be provided with by laser excitation for irradiating the fluorophor of illumination light, this light supply apparatus has lasing light emitter, Qie Yu endoscope connects, the syndeton of described optical fiber is for being connected the first optical fiber with the second optical fiber, this first optical fiber built-in is in light supply apparatus, the laser sending from light source is guided, this second optical fiber built-in is in endoscope, and the laser sending from light source is guided to fluorophor, the syndeton of described optical fiber is characterised in that, possess: the first maintaining part, it keeps the first optical fiber, the second maintaining part, it keeps the second optical fiber, and sleeve pipe, it is configured on the coupling part of the first optical fiber and the second optical fiber, chimeric with the outer peripheral face of a side in the first maintaining part and the second maintaining part, and outstanding the setting of front end and engaging with the opposing party in the first maintaining part and the second maintaining part, this sleeve pipe has the peristome forming from inner peripheral surface otch.
Preferably peristome be the slit from the inner peripheral surface of sleeve pipe to outer peripheral face perforation.In addition, preferred peristome forms along the vertical of the axial quadrature with sleeve pipe.
Preferably maintaining part possesses: refraction index gradual change collimator, and it is configured in the coupling part of endoscope and light supply apparatus; And lock pin, the end that it is installed on optical fiber, makes the front end of optical fiber expose from a side end face, and is connected with refraction index gradual change collimator.In addition, preferred fiber is multimode fibre.
Endoscopic system of the present utility model is characterised in that to possess: light supply apparatus, and it has lasing light emitter, the first optical fiber, in inside, keeps the socket of the first optical fiber, and endoscope, it has the insertion section in the detection bodies of being inserted into, be arranged at the leading section of insertion section and by laser excitation for irradiating the fluorophor of illumination light, the second optical fiber, in inside, keep the second optical fiber and connect into mounting or dismounting adapter freely with socket, wherein, in described endoscopic system, use the syndeton of optical fiber, the syndeton of described optical fiber have with the first maintaining part and the second maintaining part in the chimeric sleeve pipe of a side outer peripheral face, when adapter is connected with socket, by engaging of the opposing party in the first maintaining part and the second maintaining part and sleeve pipe, the first optical fiber is connected with the second optical fiber.
[utility model effect]
According to this utility model, the first optical fiber that the laser sending from light source is guided is held in the first maintaining part, the second optical fiber that the laser sending from light source is guided to fluorophor is held in the second maintaining part, and on sleeve pipe, there is the peristome forming from inner peripheral surface otch, the outer peripheral face of a side in this sleeve pipe and above-mentioned the first maintaining part and the second maintaining part is chimeric, and outstanding the setting of front end and engaging with the opposing party in the first maintaining part and the second maintaining part, therefore, dust easily falls by the peristome of sleeve pipe, can prevent from accumulating the situation of dust in sleeve pipe.Thus, can reduce to transmit loss, and can be in the situation that do not hinder mutual engaging that optical fiber is successfully connected each other.
Accompanying drawing explanation
Fig. 1 means the axonometric chart of the structure of endoscopic system of the present utility model.
Fig. 2 means the block diagram of overview of the electrical structure of endoscopic system.
Fig. 3 means the axonometric chart of structure of the adapter of endoscope.
Fig. 4 means the axonometric chart of structure of the socket of light supply apparatus.
Fig. 5 is the adapter of syndeton and the major part cutaway view of socket that has packed optical fiber of the present utility model into.
Fig. 6 means the cutaway view of optical fiber maintaining part.
Fig. 7 means the exploded perspective view of the structure of optical fiber maintaining part.
Fig. 8 observe to keep cylinder, screw member, helical spring, pressing member and the axonometric chart that obtains from base end side.
Fig. 9 means the axonometric chart of optical fiber maintaining part and cradle portion.
Figure 10 observes optical fiber maintaining part and cradle portion and the front view that obtains from front.
[symbol description]
11 electronic endoscope systems
12 fujinon electronic video endoscopes
14 light supply apparatuses
15 insertion sections
18 adapters
21?CCD
35,36 second optical fiber
37,38 fluorophor
50 blue LD (lasing light emitter)
51 bluish violet LD (lasing light emitter)
54,55 first optical fiber
56 sockets
63 optical fiber maintaining parts (the second maintaining part)
68 optical fiber maintaining parts (the first maintaining part)
100,110 cradle portion
101 trocar sheaths
102 inner sleeves
105 slits
The specific embodiment
As shown in Figure 1, electronic endoscope system 11 possesses fujinon electronic video endoscope 12, blood processor 13 and light supply apparatus 14.Fujinon electronic video endoscope 12 has: be inserted into endoceliac flexible insertion section 15; The operating portion 16 being partly connected with the cardinal extremity of insertion section 15; The adapter 17,18 being connected with blood processor 13 and light supply apparatus 14; By the general flexible cord 19 being connected between operating portion 16-adapter 18.15 the front end in insertion section (following, to be called leading section) 20 is provided with the CCD type imageing sensor of endoceliac raw soma (in detection bodies) photography use (with reference to Fig. 2.Below, be called CCD) 21; For the light projector unit 22,23 (with reference to Fig. 2) to detection bodies internal radiation illumination light.
Light source is arranged on the front end of general flexible cord 19 with adapter 18, the socket 56 (with reference to Fig. 4) of mode and light supply apparatus 14 connects into mounting or dismounting freely.The processor being connected with the socket (not shown) of blood processor 13 with adapter 17 to arrange by the mode that adapter 18 branches out from light source.
On operating portion 16, be provided with angle knob for leading section 20 is bent right and left up and down, for the water button of supplying gas/send of 15 front end ejection air or water from insertion section, for to observing image, carry out rest image record release-push, carry out the such control member of switching push button that normal light is observed the switching of observing with special light.
Blood processor 13 is electrically connected to light supply apparatus 14, and the action of electronic endoscope system 11 is all together to control.Blood processor 13 via general flexible cord 19 or the transmission cable that passes in insertion section 15 and power to fujinon electronic video endoscope 12, is controlled the driving of CCD21.In addition, blood processor 13 is obtained the image pickup signal of exporting from CCD21 via transmitting cable, and implements various images and process image data generating.The view data being generated by blood processor 13 is presented at as observing image with blood processor 13 carries out on monitor 24 that cable is connected.
As shown in Figure 2, at leading section 20, be provided with image pickup optical system 31, CCD21, light projector unit 22,23 etc.In addition, clock generator (following, to be called TG) 32, analog signal processing circuit (following, to be called AFE) 33, CPU34 are arranged on operating portion 16 or adapter 18 etc.
Image pickup optical system 31 consists of battery of lens or prism etc., by via observation window 39 incidents from the photoimaging in detection bodies on CCD21.CCD21 carries out opto-electronic conversion by the picture being imaged in the detection bodies on shooting face by image pickup optical system 31 by each pixel, accumulates the signal charge corresponding with incident light quantity.CCD21 exports the signal charge of accumulating in each pixel as image pickup signal.
TG32 is to CCD21 input clock signal.The clock signal of CCD21 based on from TG32 input, the action of reading of accumulating action or read output signal electric charge of accumulating signal charge in the moment of regulation.From the clock signal of TG32 output, by CPU34, controlled.
AFE33 consists of correlated double sampling (CDS) circuit, automatic gain control (AGC) circuit, A/D change-over circuit, from CCD21, obtain the image pickup signal of simulation and noise is removed, and implementing to convert digital signal to after gain correcting process and to DSP42 input described later.CDS circuit is processed by correlated double sampling, and image pickup signal is removed and obtained to the noise that driven CCD 21 is produced.Agc circuit is to amplifying from the image pickup signal of CDS circuit input.A/D change-over circuit will be converted to the digital image pickup signal of fixed figure place and input to DSP42 from the image pickup signal of agc circuit input.The driving of AFE33 is controlled by CPU34.For example, the signal of the CPU40 input of CPU34 based on from blood processor 13, to the amplification of the image pickup signal being amplified by agc circuit, (gain) regulates.
CPU40 via not shown data/address bus, address bus, control line and be connected with each several part, is all together control to the integral body of blood processor 13.In ROM46, store the various data such as various programs (OS, application program etc.) for controlling the action of blood processor 13, graph data.CPU40 reads program or the data that need from ROM46, and launches in the RAM47 as job memory, and the program of reading is successively processed.In addition, CPU40 is from the information that the networks such as operating portion 45 or LAN are obtained check data, detection bodies or the people's that performs an operation the so each inspection of the Word messages such as information all changes, and is stored in RAM47.
DSP42, to implement the various signal processing such as color separation, color interpolation, gain correction, color balance adjustment, γ correction from the image pickup signal of CCD21 input via AFE33, carrys out image data generating.The view data being generated by DSP42 is inputted to the job memory of DIP43.In addition, DSP42 generates the needed ALC control data of automatic control (ALC control) of the illumination light quantities such as average brightness value, and to CPU40 input, wherein, this average brightness value is by averaging and obtain the brightness of each pixel of the view data for example generating.
DIP43 is that the view data to being generated by DSP42 is implemented the circuit that various images are processed, and the view data of being implemented after various images are processed by DIP43, is inputted to display control circuit 44 after being temporarily stored in VRAM48 as observing image.
Operating portion 45 is the known input equipments such as guidance panel, mouse or keyboard that arrange in the framework of blood processor 13.CPU40 makes the each several part action of electronic endoscope system 11 according to the operation signal of operating portion 16 inputs from operating portion 45 or fujinon electronic video endoscope 12.
Blue LD50 sends the blue laser that centre wavelength is 445nm.The blue laser that blue LD50 sends by 22 guiding to light projector unit, and to fluorophor 37 incidents, becomes the white normal light of simulation and to detection bodies internal radiation via combiner 52, branch coupler 53, the first optical fiber 54, the second optical fiber 35 etc. thus.
Bluish violet LD51 sends the bluish violet color laser that centre wavelength is 405nm.The bluish violet color laser that bluish violet LD51 sends by 23 guiding to light projector unit, and becomes special light and to detection bodies internal radiation via combiner 52, branch coupler 53, the first optical fiber 55, the second optical fiber 36 etc.
The luminous moment or the luminous quantity of blue LD50 and bluish violet LD51 are controlled by CPU57.The ALC control data of the CPU40 input of CPU57 based on from blood processor 13, control the luminous quantity of blue LD50 and bluish violet LD51 in real time automatically to become the mode of the light quantity that is suitable for observation.
In addition, CPU57, carrying out when normal light is observed that blue LD50 is lighted, only irradiates normal light thus as illumination light, when carrying out special light observation, blue LD50 and bluish violet LD51 are lighted simultaneously, by normal light and special light simultaneously to detection bodies internal radiation.When special light is observed, the observation image that the contrast of taking superficial blood vessel has improved while observing than normal light.
In socket 56, maintain the first optical fiber 54,55.In adapter 18, maintain the second optical fiber 35,36.As described later, by adapter 18 is connected with socket 56, the first optical fiber 54,55 is connected with the second optical fiber 35,36.In the first optical fiber 54,55 and the second optical fiber 35,36, using for example core diameters is quartz multimode fibres processed more than 100 μ m.
As shown in Figure 3, adapter 18 has: the connector body 60 that keeps the second optical fiber 35,36; Be configured in peripheral part, the becket 61 rotating freely with respect to connector body 60; Be configured in the inner side of becket 61, and be fixed on the metal outer cylinder 62 of connector body 60.
On connector body 60, be provided with two optical fiber maintaining parts 63 that keep the second optical fiber 35,36.In addition, at becket 61, be formed with pair of cams groove 64 interior week.Expose from the end face of becket 61 one end of cam path 64.In the periphery of metal outer cylinder 62, in the side along adapter direction of insertion, project upwards and be provided with guide key 65.Guide key 65 enters to the keyway 70 in socket 56 side settings described later that becomes the connecting object of adapter 18.It should be noted that, the number of the optical fiber maintaining part 63 arranging on connector body 60 is any, at this, as an example, the structure of two is shown.In addition, on connector body 60, be provided with not shown pipeline to fujinon electronic video endoscope 12 aspirated and water sendings, position limitation pin etc.
As shown in Figure 4, socket 56 has: the metal shell 66 that possesses tapered portion 66a and the front end cylinder 66b of portion; The socket body 67 setting in the inside of metal shell 66.Metal shell 66 and socket body 67 are fixed on the framework of light supply apparatus 14.In socket body 67, in position corresponding to optical fiber maintaining part 63 with adapter 18, be provided with two optical fiber maintaining parts 68 that keep the first optical fiber 54,55.
Periphery at the front end cylinder 66b of portion is provided with to the outstanding a pair of engagement pin 69 of diametric(al).Engagement pin 69 engages with the cam path 64 forming on becket 61 at adapter 18.In the interior week of the front end cylinder 66b of portion, and be formed with keyway 70 in the position of the dorsal part of engagement pin 69.This keyway 70 is received in the guide key 65 arranging on the metal outer cylinder 62 of adapter 18.Guide key 65 and keyway 70 arrange for the para-position of the optical fiber maintaining part 63 of adapter 18 sides and the optical fiber maintaining part 68 of socket 56 sides, by making the position of guide key 65 and the position of keyway 70 involutory and adapter 18 is entered along adapter direction of insertion to socket 56 side pressures, thus the second optical fiber 35,36 being kept by optical fiber maintaining part 63,68 and the first optical fiber 54,55 are connected respectively optically.
When adapter 18 is connected with socket 56, first, makes the position of keyway and the position of guide key 65 involutory, and make the front end cylinder 66b of portion of socket 56 sides and 62 engagings of the metal outer cylinder of adapter 18 sides simultaneously.Then,, while becket 61 being carried out to rotating operation under the state of end face butt that makes engagement pin 69 and becket 61, from one end of cam path 64, receive engagement pin 69.Then, when becket 61 is carried out to rotating operation to arrow P direction in figure, along cam path 64, engagement pin 69 is drawn in and adapter 18 and socket 56 are engaged.
As shown in Figure 5, the syndeton 71 of optical fiber of the present utility model possesses: the optical fiber maintaining part 68 that keeps the first optical fiber 54; Be arranged at socket 56, the cradle portion 100 that optical fiber maintaining part 68 is packed into; The optical fiber maintaining part 63 that keeps the second optical fiber 35; Be arranged at adapter 18, the cradle portion 110 that optical fiber maintaining part 63 is packed into.It should be noted that, the first optical fiber 55 and the second optical fiber 36 are held in optical fiber maintaining part 68,63 similarly, and be respectively charged in the cradle portion 100 of socket 56 and the cradle portion 110 of adapter 18, and similarly the first optical fiber 55 and the second optical fiber 36 are connected with the syndeton 71 of optical fiber.
As shown in Figure 6 to 8, optical fiber maintaining part 68 possesses: first fold optical index gradual change collimator (following, to be called GI collimator) 81; The first lock pin 82; Keep cylinder 83; Screw member 84; Helical spring 85; Pressing member 86.
The first lock pin 82Cheng center is provided with along the drum of the optic fibre patchhole 82a of axial perforation.This first lock pin 82 forms the external diameter identical with a GI collimator 81.In optic fibre patchhole 82a, insert the first optical fiber 54 of the coating 54a that has peeled front end, and be fixed by bonding agent.The front end 82b of the first lock pin 82 is ground to protruding dome shape or plane with the front end that is inserted into the first optical fiber 54 in optic fibre patchhole 82a.
The one GI collimator 81 possesses refraction index graded index fiber 81a and by the lock pin 81b of the built-in drum of refraction index graded index fiber 81a.Lock pin 81b is used the lock pin of zirconia ceramics system etc.The incident end face 81c of the one GI collimator 81 and outgoing end face 81d are ground to respectively protruding dome shape and plane.The one GI collimator 81 is connected (following, to be called PC and to connect) by making incident end face 81c carry out physical contact with the front end 82b butt of the first lock pin 82 with the first optical fiber 54.It should be noted that, the shape of incident end face 81c and outgoing end face 81d can be also the arbitrary combination in protruding-protruding, flat-protruding, protruding-Ping, Ping-Ping.
Therefore the one GI collimator 81 has than the large core diameters of the first optical fiber 54, and the first optical fiber 54 can carry out PC with a GI collimator 81 and is connected in the situation that front end does not contact with extraneous gas.Thus, the front end at the first optical fiber 54 can not produce dust collecting effect.
In addition, a GI collimator 81 expands the beam diameter of the laser being transmitted by the first optical fiber 54 calibrate, and therefore the optical power density at the outgoing end face 81d place of a GI collimator 81 is lower than the front end of the first optical fiber 54.Thus, can significantly not reduce because the dust of outgoing end face 81d or damage etc. make to connect loss.And, can not produce the burning of prolonging of the scaling loss of the GI collimator 81 that the burnings such as dust of outgoing end face 81d cause, the first optical fiber 54 that fiber core fusing phenomenon causes yet.And because reduction laser and the airborne organic photochemical reaction of optical power density also reduces, so the generation of the dust collecting effect at outgoing end face 81d place also tails off.
Keeping cylinder 83 to have front keeps cylinder 83a and base end side to keep cylinder 83b.Front keeps cylinder 83a to form drum, is embedded in the outer peripheral face of a GI collimator 81 outward, and for example by bonding agent, is fixed on a GI collimator 81 in inner peripheral surface front.Front keeps cylinder 83a more side-prominent and fixing than the outgoing end face 81d forward end as front end of a GI collimator 81.It should be noted that, below, by the front of maintenance cylinder 83 that is fixed on a GI collimator 81 referred to as front, and by the base end side with respect to a GI collimator 81 referred to as base end side.Base end side keeps cylinder 83b to form drum, from the front of inner circumferential surface, is formed with in turn lock pin incorporating section 87, flange incorporating section 88, female thread 89.The internal diameter of the leading section 87a of lock pin incorporating section 87 forms largerly, thereby the leading section 87a of lock pin incorporating section 87 is embedded in the base end part that front keeps cylinder 83b outward.By base end side being kept the leading section 87a of cylinder 83b be embedded in the base end part that front keeps cylinder 83b outward, front keeps cylinder 83a and base end side to keep cylinder 83b integrated thus.Keep cylinder 83 such as being the metal systems such as pyrite.
In keeping cylinder 83, in the behind of a GI collimator 81, take in the first lock pin 82, in the behind of the first lock pin 82, dispose pressing member 86.The first lock pin 82 is from keeping the base end side of cylinder 83 to insert, and front is accommodated in the inside that front keeps cylinder 83a, and base end side is accommodated in the lock pin incorporating section 87 that base end side keeps cylinder 83b.
Pressing member 86 forms the hollow form in turn from front end with flange part 90, cylindrical portion 91, such as being the metal systems such as SUS.Cylindrical portion 91 forms with the mode that the internal diameter of helical spring 85 mates with external diameter, thereby through helical spring 85.The external diameter of flange part 90 forms greatly than the external diameter of cylindrical portion 91, from helical spring 85, accepts the application of force.
When assembling optical fiber maintaining part 68, for example, after a front maintenance cylinder 83a is fixed on to a GI collimator 81, make front keep cylinder 83a and base end side to keep a 83b integrated, and the first lock pin 82 that keeps the base end side of cylinder 83b will be fixed with the first optical fiber 54 from base end side insert.Then, make the first optical fiber 54 through the inside of pressing member 86, and the pressing member 86 through after helical spring 85 is inserted into the behind of the first lock pin 82.Then, the first optical fiber 54, pressing member 86 and helical spring 85 are passed to the inside of screw member 84 and the external screw thread 95 of screw member 84 is screwed togather with keeping the female thread 89 of cylinder 83.When the external screw thread 95 of screw member 84 is screwed together in the female thread 89 that keeps cylinder 83, helical spring 85 is configured between the flange part 90 of pressing member 86 and the stage portion 96 of screw member 84.Thus, the application of force of pressing member 86 receiving auger springs 85 and the first lock pin 82 is pressed to GI collimator 81 sides, therefore the front end face of the first optical fiber 54 is connected with a GI collimator 81 with the state connecting airtight.
As shown in Fig. 5 and Fig. 9, in cradle portion 100, pack optical fiber maintaining part 68 into.Cradle portion 100 possesses trocar sheath 101, inner sleeve 102, stationary magazine creel 103, helical spring 104.Trocar sheath 101 forms roughly cylindric, has the large-diameter portion 101a that engages with the cradle portion 110 of adapter 18 sides, by inner sleeve 102 chimeric minor diameter part 101b, the stage portion 101c between large-diameter portion 101a and minor diameter part 101b.
The inner peripheral surface of the outer peripheral face of inner sleeve 102 and trocar sheath 101 is chimeric, and at the outer peripheral face of the chimeric optical fiber maintaining part 68 of inner peripheral surface.The front end of inner sleeve 102 is more side-prominent and configure than optical fiber maintaining part 68 forward end, and will be encased in the leading section engaging of the optical fiber maintaining part 63 of adapter 18 sides.Thus, when the leading section of optical fiber maintaining part 63 is sticked in to inner sleeve 102, configure the first optical fiber 54,55 being kept by optical fiber maintaining part 63,68 and the axially parallel of the second optical fiber 35,36 and inner sleeve 102.
As shown in FIG. 9 and 10, on inner sleeve 102, being formed with the peristome forming from inner peripheral surface otch is slit 105.This slit 105 is the linearity connecting from the inner peripheral surface of inner sleeve 102 to outer peripheral face, with respect to the central shaft of inner sleeve 102, along the vertical with axial quadrature, forms.It should be noted that, the peristome as forming in inner sleeve 102, is not limited to the such shape of slit 105, so long as at least cut from the inner peripheral surface of inner sleeve 102 peristome forming.
It should be noted that, at the leading section of trocar sheath 101 and inner sleeve 102, be formed with tapering 101d, the 102a that internal diameter diminishes to base end side gradually from front, so that adapter 18 and optical fiber maintaining part 63 are guided to inner peripheral surface.
It should be noted that, as shown in Figure 9, optical fiber maintaining part 63 replaces a GI collimator 81 and first lock pin 82 of optical fiber maintaining part 68, and possess the 2nd GI collimator 111 and the second lock pin 112, the 2nd GI collimator 111 has the core diameters equal with a GI collimator 81, this second lock pin 112 is fixing by the second optical fiber 35, and identical with the external diameter of the 2nd GI collimator 111, structure is in addition the parts identical with optical fiber maintaining part 63, and similarly assemble with optical fiber maintaining part 63, the second lock pin 112 is kept to the second optical fiber 35 with the state compressing to the 2nd GI collimator 111.Before this optical fiber maintaining part 63, the outstanding state in end packs cradle portion 110 into.
When by adapter 18 and socket 56 connection, if adapter 18 is entered and rotating handles ring 61 to socket 56 side pressures, in socket 56, large-diameter portion 101a is positioned at the forward distolateral position than minor diameter part 101b, therefore first at the outer peripheral face of the cradle portion 110 of inner peripheral surface snap-together connector 18 sides of large-diameter portion 101a, then in the inner peripheral surface engaging of inner sleeve 102, be encased in the leading section of the optical fiber maintaining part 63 in cradle portion 110.Inner peripheral surface at inner sleeve 102 engages the leading section of optical fiber maintaining part 63 and the first optical fiber 54,55 is connected with the second optical fiber 35,36.And now, helical spring 104 absorbs the impact that engages generation of engaging of cradle portion 100 and cradle portion 110 or inner sleeve 102 and optical fiber maintaining part 63.
As shown in figure 10, because the adapter 18 of fujinon electronic video endoscope 12 is is frequently installed and removed with the socket 56 of light supply apparatus 14, therefore easily adhere to the dusts such as dust 106 being incorporated with on the inner sleeve 102 of socket 56, but as mentioned above, in the syndeton 71 of optical fiber of the present utility model, therefore owing to being formed with slit 105 on inner sleeve 102, even if dust 106 is temporarily attached to the inside of inner sleeve 102, also easily this dust is discharged to outside by slit 105.Especially because slit 105 forms along vertical, so dust 106 easily naturally falls under its white heavy effect.Or even dust 106 is attached in inner sleeve 102, when, also easily dust 106 being discharged along slit 105 during to inner sleeve 102 interior blow out air by Air blowing device etc.Like this, therefore can prevent from accumulating the situation of dust 106 in inner sleeve 102, in the situation that do not hinder the engaging of optical fiber maintaining part 63 of the inner sleeve 102Yu endoscope side of light supply apparatus 14 sides that the first optical fiber 54,55 is successfully connected each other with the second optical fiber 35,36.And, due to inner sleeve 102 and optical fiber maintaining part 63 are engaged reliably and carry out para-position, therefore lose can reduce the first optical fiber 54,55 and being connected of the second optical fiber 35,36 to transmit.
In the above-described first embodiment, on inner sleeve 102, form the slit 105 as peristome, but this utility model is not defined in this, for example, on trocar sheath 101, can form the slit continuous with slit 105 yet.
In the above-described first embodiment, illustrated that the socket 56 in light supply apparatus 14 sides possesses the structure of inner sleeve 102, wherein, the outer optical fiber maintaining part 68 that is embedded in a side of this inner sleeve 102, and when adapter 18 is connected with socket 56, this inner sleeve 102 engages with the opposing party's optical fiber maintaining part 63, but this utility model is not limited to this, also can be for possessing the structure of sleeve pipe on the adapter 18 in fujinon electronic video endoscope 12 sides, wherein, this sleeve pipe is embedded in optical fiber maintaining part 63 outward, and when adapter 18 is connected with socket 56, this sleeve pipe engages with optical fiber maintaining part 68.
In the above-described first embodiment, on adapter 18, socket 56, be respectively provided with respectively two optical fiber maintaining parts 63,68 and packed their cradle portion 100,110 into, but the number of above-mentioned parts can according to the light projector unit in forward end section of endoscope setting, be built in light supply apparatus the number of lasing light emitter and suitably change.
Claims (10)
1. the syndeton of an optical fiber, it is arranged at endoscopic system, and for the first optical fiber is connected with the second optical fiber, this endoscopic system has endoscope and light supply apparatus, this endoscope has insertion section, this insertion section is inserted in detection bodies, and be provided with by laser excitation for irradiating the fluorophor of illumination light, this light supply apparatus has lasing light emitter, and be connected with described endoscope, this first optical fiber built-in is in described light supply apparatus, the laser sending from described light source is guided, this second optical fiber built-in is in described endoscope, the laser sending from described light source is guided to described fluorophor, the syndeton of described optical fiber is characterised in that, possess:
The first maintaining part, it keeps described the first optical fiber;
The second maintaining part, it keeps described the second optical fiber; And
Sleeve pipe, it is configured on the coupling part of described the first optical fiber and described the second optical fiber, chimeric with the outer peripheral face of a side in described the first maintaining part and described the second maintaining part, and outstanding the setting of front end and engaging with the opposing party in described the first maintaining part and described the second maintaining part, this sleeve pipe has the peristome forming from inner peripheral surface otch.
2. the syndeton of optical fiber according to claim 1, is characterized in that,
Described peristome is the slit connecting from the inner peripheral surface of described sleeve pipe to outer peripheral face.
3. the syndeton of optical fiber according to claim 1 and 2, is characterized in that,
Described peristome forms along the vertical of the axial quadrature with described sleeve pipe.
4. the syndeton of optical fiber according to claim 1 and 2, is characterized in that,
Described maintaining part possesses: refraction index gradual change collimator, and it is configured in the coupling part of described endoscope and described light supply apparatus; Lock pin, the end that it is arranged on described optical fiber, makes the front end of described optical fiber expose from a side end face, and this lock pin is connected with described refraction index gradual change collimator.
5. the syndeton of optical fiber according to claim 3, is characterized in that,
Described maintaining part possesses: refraction index gradual change collimator, and it is configured in the coupling part of described endoscope and described light supply apparatus; Lock pin, the end that it is installed on described optical fiber, makes the front end of described optical fiber expose from a side end face, and this lock pin is connected with described refraction index gradual change collimator.
6. the syndeton of optical fiber according to claim 1 and 2, is characterized in that,
Described optical fiber is multimode fibre.
7. the syndeton of optical fiber according to claim 3, is characterized in that,
Described optical fiber is multimode fibre.
8. the syndeton of optical fiber according to claim 4, is characterized in that,
Described optical fiber is multimode fibre.
9. the syndeton of optical fiber according to claim 5, is characterized in that,
Described optical fiber is multimode fibre.
10. an endoscopic system, is characterized in that, possesses:
Light supply apparatus, it has lasing light emitter, the first optical fiber, in inside, keeps the socket of the first optical fiber; And
Endoscope, it has insertion section in the detection bodies of being inserted into, be arranged on the leading section of insertion section and by laser excitation for irradiate illumination light fluorophor, the second optical fiber, in inside, keep the second optical fiber and connect into mounting or dismounting adapter freely with socket,
Described endoscopic system right to use requires the syndeton of the optical fiber described in 1 or 2, the syndeton of described optical fiber have with described the first maintaining part and described the second maintaining part in the chimeric described sleeve pipe of a side outer peripheral face, when described adapter is connected with described socket, by engaging of the opposing party in described the first maintaining part and described the second maintaining part and described sleeve pipe, described the first optical fiber is connected with described the second optical fiber.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012224188A JP5796002B2 (en) | 2012-10-09 | 2012-10-09 | Endoscope system |
| JP2012-224188 | 2012-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203524628U true CN203524628U (en) | 2014-04-09 |
Family
ID=50410898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320616922.6U Expired - Lifetime CN203524628U (en) | 2012-10-09 | 2013-10-08 | Connecting structure of optical fibers and endoscope system |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5796002B2 (en) |
| CN (1) | CN203524628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544133A (en) * | 2016-06-24 | 2018-01-05 | 上海澳华光电内窥镜有限公司 | Connector head, connector holder, connection system, light supply apparatus and endoscope |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6234243B2 (en) * | 2014-01-24 | 2017-11-22 | オリンパス株式会社 | Optical fiber connection adapter and endoscope apparatus |
| JP6076558B1 (en) * | 2015-04-30 | 2017-02-08 | オリンパス株式会社 | Endoscope connector |
| JPWO2018163498A1 (en) * | 2017-03-08 | 2020-05-14 | ソニー・オリンパスメディカルソリューションズ株式会社 | Medical device and method of manufacturing medical device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004037984A (en) * | 2002-07-05 | 2004-02-05 | Seiko Instruments Inc | Optical device and its assembling method |
| JP4586527B2 (en) * | 2004-12-21 | 2010-11-24 | 住友電気工業株式会社 | Optical connector |
| JP2007102114A (en) * | 2005-10-07 | 2007-04-19 | Sony Corp | Cap, optical connector and adapter |
| JP4578399B2 (en) * | 2005-12-22 | 2010-11-10 | 京セラ株式会社 | Split sleeve for optical connectors |
| JP5448885B2 (en) * | 2010-01-28 | 2014-03-19 | 富士フイルム株式会社 | Medical equipment and endoscope device |
| JP2012143366A (en) * | 2011-01-11 | 2012-08-02 | Fujifilm Corp | Endoscope apparatus |
| JP2012143414A (en) * | 2011-01-12 | 2012-08-02 | Fujifilm Corp | Endoscope apparatus |
-
2012
- 2012-10-09 JP JP2012224188A patent/JP5796002B2/en active Active
-
2013
- 2013-10-08 CN CN201320616922.6U patent/CN203524628U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544133A (en) * | 2016-06-24 | 2018-01-05 | 上海澳华光电内窥镜有限公司 | Connector head, connector holder, connection system, light supply apparatus and endoscope |
| CN107544133B (en) * | 2016-06-24 | 2021-07-09 | 上海澳华光电内窥镜有限公司 | Connector head, connector holder, connection system, light source device, and endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5796002B2 (en) | 2015-10-21 |
| JP2014076097A (en) | 2014-05-01 |
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Granted publication date: 20140409 |
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