CN203379104U - Ureter nephroscope with hardness-adjustable head end - Google Patents
Ureter nephroscope with hardness-adjustable head end Download PDFInfo
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- CN203379104U CN203379104U CN201320431824.5U CN201320431824U CN203379104U CN 203379104 U CN203379104 U CN 203379104U CN 201320431824 U CN201320431824 U CN 201320431824U CN 203379104 U CN203379104 U CN 203379104U
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Abstract
The utility model relates to a surgical instrument and provides a ureter nephroscope with a hardness-adjustable head end. The ureter nephroscope comprises a main operation body, wherein the main operation body is connected with a nephroscope pipe and comprises a nephroscope body, an assembly and disassembly mechanism and an telescoping mechanism, which are connected in sequence; the nephroscope pipe comprises an insertion part, a bending part and a front end part which are connected in sequence; the insertion part is connected with the nephroscope body; the nephroscope pipe is sleeved with a sheath; the sheath is shorter than the nephroscope pipe; the telescoping mechanism is arranged at one end of the sheath, and is connected with the nephroscope body through the assembly and disassembly mechanism. The ureter nephroscope with the hardness-adjustable head end, provided by the utility model, gives consideration to softness and hardness, can be assembled or disassembled quickly so as to provide convenience for disinfecting all the parts, can be inserted into a ureter easily, can enter all renal calices smoothly, particularly can enter a lower renal calix smoothly, and can be used for well observing conditions in the lower renal calix. Through the adoption of the ureter nephroscope, the technical problems that inserting a conventional ureteroscope into a ureter is difficult, diagnosis and treatment cannot be conducted effectively because conditions in a lower renal calix cannot be observed well, and all the parts of the conventional ureteroscope cannot be mounted or dismounted quickly are solved.
Description
Technical field
This utility model relates to a kind of operating theater instruments, relate in particular to a kind of clinical to urethra and kidney stone disease checked, the ureterorenoscope of diagnosis and treatment and treatment.
Background technology
The human body urinary system calculus is a kind of commonly encountered diseases, frequently-occurring disease.Press the stone location difference, can be divided into vesical calculus, ureteral calculus and renal calculus etc.From probability of happening, renal calculus accounts for more than 70%.Removing stone operation can be divided into: External ultrasound rubble, intracavity trajectory rubble, percutaneous renal mirror art, per urethra ureterorenoscope art etc.From lithotrity effect, doctor and patient's the aspects such as degree of recognition, operation risk and complication rate, wound and recovery time, analyze, per urethra ureterorenoscope art has certain advantage, the operation of ureterorenoscope rubble, just in penetration and promotion, has become the primary treatment means of lithangiuria in hospital.Common operation method is, first with after the expansion of ureterscopy mirror body, keeping somewhere the dilatation of ureter sheath, then inserts the ureter soft lens, seeks and calculus smashes calculus with holmium laser.Existing product is rigid ureterorenoscope and soft uretero-renoscope, wherein the application of rigid ureterorenoscope has vicennial history nearly, can effectively treat the calculus at the following position of ureter, the excuse end can not be crooked, and it is felt simply helpless to renal calculus.And almost all imports of soft uretero-renoscope of rising in recent years, as Japanese OLYMPUS URF-P5 fiber type ureterorenoscope, OLYMPUS URF-V type electronics ureterorenoscope, STORZ 11278A fiber type ureterorenoscope.Soft lens,, needs in advance ureter to be expanded in existing soft lens art not as hard mirror in intra-ureteral insertion performance, and this will cause wound to ureter, and the damage mucous membrane of ureter is even bored a hole.In addition, soft lens can't the Rapid Popularization Another reason be, apparatus expensive and service life are short, and treatment cost is high.In existing patent document, as Chinese patent: " a kind of soft uretero-renoscope with hard sheath (CN101019756A) ", by hard tube part and dismantled and assembled soft lens, partly being formed, soft lens is placed in hard sheath, and extended hard tube.The combination of this hard sheath and soft lens, can occur during installation to insert difficulty, must leave enough large space, inserts rigidity bad, can't realize collection and the attraction of water outlet simultaneously." a kind of Medical telescopic ureterorenoscope (CN202313262U) ", comprise three valves far away, lock nut, the mirror body, mirror is inserted, the first outer telescop, the second outer telescop, the 3rd outer telescop connects from the bottom to top successively, described the first outer telescop, the second outer telescop, the diameter dimension of the 3rd outer telescop successively decreases successively, but and in second outer telescop retraction the first outer telescop, but in the 3rd outer telescop retraction the second outer telescop, described light is inserted and is arranged on the slotting lateral wall of mirror, described lens barrel is arranged on the lateral wall of mirror body, described scope pipe is inserted in the outer telescop assembly, be provided with the operating theater instruments passage in described outer telescop assembly, described fibre light guide system is filled between operating theater instruments passage and scope pipe.Said structure complexity, and the interior microorganism of glade plane space of inserting human body parts, can't thorough disinfection.
Summary of the invention
This utility model provides a kind of and can soft or hard take into account, rapid-assembling/disassembling, thus facilitate each component sterilization, the insertion ureter is easy, each renal calices, especially inferior calyx can be entered smoothly, the adjustable ureterorenoscope of head end soft or hard of the situation in inferior calyx can be well observed; Solved the ureteroscope that exists in the prior art and be difficult to insert ureter, can not well observe the situation in inferior calyx, effectively carried out diagnosis and treatment, the technical problem that each parts can not the rapid-assembling/disassembling sterilization simultaneously.
This utility model also provides a kind of simultaneously can carry out recirculated water work, reduces injection pressure in kidney, the convenient observation, and lithotrity effect is good, the flexible ureterorenoscope of the head end that calculifragous efficiency is high; Solve the water inlet water outlet that can not circulate existed in the prior art, easily damaged glomerule, the technical problem that calculifragous efficiency is not high.
Above-mentioned technical problem of the present utility model solves by following technical proposals: the ureterorenoscope that the head end soft or hard is adjustable, comprise operating main body, and operating main body is connected with the mirror pipe, and operating main body comprises mirror body, mounting mechanism and the telescoping mechanism connected successively; Described mirror pipe comprises insertion section, bending section and the first end connected successively; Wherein insertion section is connected with the mirror body, is socketed with the sheath pipe outside the mirror pipe, and the length of sheath pipe is less than the length of mirror pipe, and telescoping mechanism is positioned at an end of sheath pipe, and telescoping mechanism is connected with the mirror body by mounting mechanism.The sheath pipe is rigid mirror, and the mirror pipe is by the rigid mirror of insertion section and bending section that can be crooked, and the first end formation that is positioned at the bending section front end.
Because the length of sheath pipe is less than the mirror pipe, control the registration of sheath Guan Yujing pipe by telescoping mechanism, telescoping mechanism can allow the end of sheath pipe fully concordant with the first end of mirror pipe, thereby makes the mirror pipe become the good rigid mirror of rigidity, the convenient insertion in ureter, do not need ureter is expanded.When adjusting telescoping mechanism, can make again the mirror body there is the characteristic of soft lens, control the difference of the stroke of bending section by adjusting telescoping mechanism simultaneously, make the mirror body have than the better searching ability of soft lens.When the ureter soft lens is worked in renal pelvis, in order to enter each renal calices (upper small cup, middle small cup, inferior calyx), need to carry out bending to first termination, angle of bend can be controlled by crank handle, but bending length is changeless, to the calculus of some specific paries, as inferior calyx, because of near ureteric orifice, be difficult on the contrary enter.To the location of the calculus of these specific paries, even the abundant doctor of soft lens operating experience, by advanced import equipment, also will be taken for a long time and just can complete.And ureteroscope of the present utility model, the length difference that makes bending section stretch out the sheath pipe by adjusting telescoping mechanism, be divided into the searching ureteric orifice state of head end trace bendable, and bending section only stretches out sheath pipe 10-15mm, can allow camera lens accurately search among a small circle, conveniently find the ureter entrance.Then be the searching inferior calyx state of half bendable of head end, observed in inferior calyx and rubble, finally can become full case of bending.
Mounting mechanism can allow mirror body and sheath pipe and telescoping mechanism sharp separation, thereby convenient the cleaning and sterilization prevents postoperative infection.The mirror body is sterilized together with the mirror pipe, and telescoping mechanism and sheath pipe are metal parts, can carry out stricter disinfectant program.According to different need to carrying out disinfection respectively to two parts, Disinfection Effect is good, has improved the safety in utilization of equipment.
As preferably, described telescoping mechanism is connected with mounting mechanism by cross structure, described telescoping mechanism comprises flexible main body, sheath pipe and cross structure join by flexible main body, sheath pipe and flexible main body are fixed, and flexible main body and cross structure are slidably connected, and cross structure is fixedly connected with mounting mechanism, the mirror pipe is positioned at the passage that sheath pipe and cross structure are linked to be, and mirror Guan Yujing body is connected.One end of cross structure is fixed on mounting mechanism, and the other end is through telescoping mechanism, and cross structure is as a guide rail, and telescoping mechanism moves on cross structure.Telescoping mechanism is fixedly connected with the sheath pipe, and both are synchronized with the movement, and the movement by telescoping mechanism on cross structure is determined the displacement of sheath pipe, thereby controlled the length that the mirror pipe stretches out the sheath pipe, meets mirror pipe different needs in use.
As preferably, one end of described flexible main body is connected with locking cap, the sheath pipe is fixedly connected with locking cap, be provided with slide bushing between flexible main body and cross structure, slide bushing is socketed on cross structure, on described flexible main body, control piece is installed, described control piece center is provided with through hole, the top of control piece is provided with flexible button, and flexible button is positioned at outside flexible main body, and the below of control piece is provided with elastomer; Be provided with detent on cross structure, cross structure is through the through hole at control piece center, and the below of control piece is connected in detent by elastomeric pressure.Slide bushing is two, and one between flexible main body and cross structure, another one is between sheath pipe and cross structure, and slide bushing adopts good springiness, and the PTFE material that coefficient of friction is low is made, and can effectively reduce resistance to sliding.Ureterorenoscope in use, utilizes mirror pipe instrument channel as intake tunnel, and the space between mirror pipe and sheath pipe is as exhalant canal, and the slide bushing between sheath pipe and cross structure can be realized the function of sealing recirculated water, and anti-sealing is spilt by the telescoping mechanism place.The sheath pipe is glued at the inwall of locking cap, and locking cap is used for fixedly sheath pipe, and flexible main body is threaded with locking cap is dismountable, facilitates the assembling of sheath pipe, cross structure and mirror pipe.Cross structure is through the through hole at the center of control piece, the elastomer of control piece below is the sheet spring, the press control part, the compression of sheet spring, flexible main body is slided on cross structure, on the detent on cross structure the time, unclamps control piece, the elastic force of sheet spring snaps in control piece in detent, and the main body of stretching and cross structure are fixed.
As more preferably, described flexible main body is socketed with body cover outward, and described locking cap and flexible main body are threaded connection.By body cover, main body and control piece are blocked, body cover and main body gummed are fixing.
As preferably, described cross structure is cylinder, the size of the diameter of cross structure is between mirror pipe diameter and sheath pipe diameter, it above cross structure, is plane, be provided with in the plane scale, be provided with three detents below cross structure, detent is corresponding with scale, the end joined in cross structure and flexible main body is provided with projection, and projection is connected on the end face of flexible main body.The diameter of cross structure can not be too large, because there is the sheath pipe in the outside, slide, and the sheath pipe will insert human urethra in operation, so the sheath pipe generally is limited in below Fr20.The top of cross structure is cut flat, prevents from when telescoping mechanism from moving on cross structure rotating.Flexible main body is slided on cross structure, and where the scale on cross structure can alert arrive, thereby unclamps control piece, allows flexible main body and cross structure fix.Three detents represent respectively hard specular state fully from left to right, the searching ureteric orifice state of head end trace bendable, the searching inferior calyx state of half bendable of head end.There is projection on the left side of cross structure, while therefore moving to high order end, is to limit the displacement of left end by projection, and because cross structure is fixed on mounting mechanism, flexible main body moves right and is connected on mounting mechanism, thereby realizes the location on the right.Flexible main body moves right on earth, and bending section exposes outside the sheath pipe fully, realizes complete case of bending.
As preferably, described mounting mechanism comprises union joint, and an end of union joint is fixedly connected with cross structure, and the other end of union joint is connected with the mirror body is dismountable by lock nut, on union joint and mirror body phase contact surface, is provided with alignment pin and sealing ring.Lock nut is fixed on the mirror body by nut.During installation, adjusting nut makes the gap of lock nut on the mirror body suitable (lock nut is free to rotate, but shaftless to play), and nut is fixed.Then the union joint that comprises whole flexible sheath docks with lock nut.Locate with alignment pin during docking, determine the union joint direction, prevent from rotating.Union joint and being connected of lock nut available screw thread or the frame for movement such as skewed slot, realize connecting fast.During separation, as long as rotate lock nut, union joint just can exit.After separation, lock nut, nut, alignment pin, sealing ring etc. belong to mirror body side, participate in the mirror sterilization, and flexible sheath assembly, because pure metal parts forms, can be carried out stricter disinfectant program.Sealing ring is for preventing the water outlet loop leakage.
As preferably, the tail end of described mirror body is provided with liquid injection port and seal wire mouth, and the seal wire insert port keeps coaxial with the mirror pipe, is provided with crank handle and the optical socket of controlling bending section at the middle part of mirror body, is provided with on union joint and attracts mouth; Be provided with imaging band and instrument channel in the mirror pipe, between mirror pipe and sheath pipe, form liquid outlet channel; Liquid injection port is connected with instrument channel with the seal wire mouth, attracts mouth to be connected with liquid outlet channel.The mirror pipe, as intake tunnel, is exhalant canal between sheath pipe and mirror pipe, attracts mouth to be positioned on union joint, convenient mounting or dismounting.Sheath Guan Yujing body engages whole and sealing, very favourable to collecting water outlet and calculus sample like this, simultaneously, can also be attracted outlet, reduce injection pressure in kidney, according to authoritative research report, the damage of ureter soft lens lithotrity to glomerule, cause because perfusion pressure is too high to a great extent.This utility model can be rinsed visual field and the broken end of calculus by the mode of recirculated water, and can realize attracting, and reduces perfusion hydraulic pressure.
As preferably, described bending section is to have snake bone to connect and compose, and near the pitch that respectively saves snake bone of first end, is less than the pitch that respectively saves snake bone near insertion section.When tradition ureter soft lens is worked in renal pelvis, in order to enter each renal calices (upper small cup, middle small cup, inferior calyx), need to carry out bending to first termination, angle of bend can be controlled by crank handle, but bending length is changeless, to the calculus of some specific paries, as inferior calyx, because of near ureteric orifice, be difficult on the contrary enter.To the location of the calculus of these specific paries, even the abundant doctor of soft lens operating experience, by advanced import equipment, also will be taken for a long time and just can complete.The snake bone structure that this utility model adopts, when the snake bone pitch of front end is less than the snake bone pitch of rear end, make the corner cut of front end be greater than the corner cut of rear end, when snake bone work is crooked, just can reach the front end bending radius little, the effect that the rear end bending radius is large, make first end can arrive smoothly upper small cup and the inferior calyx in renal pelvis, also facilitates and find calculus simultaneously.
As preferably, be connected with eyeshield on described operating main body, eyeshield and operating main body form " Y " font, in the side of operating main body, are provided with the side leakage mouth.Y-shaped structure, make instrument channel more unobstructed, the seal wire insert port has just realized coaxial with the mirror pipe, the direct insertion structure of this seal wire, welcome by the doctor deeply, not only inserts smooth and easy, and seal wire also is not easy to have damaged, also can strengthen the seal wire diameter, improve the holmium laser power, very favourable to improving calculifragous efficiency.The equipment experiment of all will being leaked hunting before and after each the use, checked on the side leakage mouth by leak detector.
Therefore, the adjustable ureterorenoscope of head end soft or hard of the present utility model possesses following advantage:
(1), soft or hard is variable.
In the time of in bending section retraction sheath pipe, just become rigid mirror, with current ureterscopy, there is no substantive difference, retained the advantage of rigid mirror, rigidity is arranged while inserting, insert ureter easy, do not need dilatation of ureter.When bending section stretches out the sheath pipe, this utility model product becomes again and has the soft lens characteristic, has realized the flexible function of head end, and making camera lens enter each renal calices becomes possibility, has brought the sharpest edges feature of soft lens.
(2), degree of crook is adjustable, " searching " can force rate soft lens more powerful.
Have suitable angle of bend and bending radius, endoscope's tip can conveniently arrive small cup, kidney inferior calyx on renal pelvis, kidney, and rubble is got stone and do not stayed dead angle.Can realize that bending section only stretches out sheath pipe 10-15mm, can allow camera lens accurately search among a small circle, conveniently find the ureter entrance simultaneously.
(3), good rigidly, easily insertion.
General rigid ureterorenoscope, in order to improve mirror bar rigidity, make front fine and rear thick shape, and partial design becomes multilayer pipe further to improve rigidity in the back more.Mirror body of the present utility model divide with common rigid mirror substantially roughly the same, different, add again the flexible sheath pipe of one deck outside the mirror pipe, further improved rigidity.
(4), recirculated water work
In operation, in order to rinse the broken end of visual field and calculus, continuous recirculated water is necessary.Traditional hard mirror and soft lens, due to reasons in structure, can't realize recirculated water.In actual operation, the mirror body is born inlet function, and water outlet can only rely on additional sheath body, because the blow-by meeting of sheath body and mirror body causes water outlet to pour out everywhere.In this utility model product, flexible sheath and mirror body operating portion are bonded into whole and sealing, very favourable to collecting water outlet and calculus sample like this,, also can be attracted outlet simultaneously, reduce injection pressure in kidney.According to authoritative research report, the damage of ureter soft lens lithotrity to glomerule, be to cause because perfusion pressure is too high to a great extent.
(5), the quick flexible sheath mechanism of handling
Telescoping mechanism of the present utility model has the characteristics such as the simple and fast of installation, telescoping mechanism sterilization separately, good airproof performance, telescopic location registration.Sheath pipe in telescoping mechanism can be sterilized separately significant, often requires to carry out stricter program because insert human body parts, to eliminate the danger of infecting.Telescoping mechanism of the present utility model, all parts can meet the sterilization requirement of High Temperature High Pressure, and autoclave sterilization is universally acknowledged sterilization Quick disinfection method (but very large to apparatus damage, most instruments can not adapt to) the most thoroughly.
(6), Y shape mirror structure
Eyepiece part in this utility model, be designed to Y-shaped structure, and the seal wire insert port has just realized " coaxial " with the mirror pipe; the direct insertion structure of this seal wire, not only insert smooth and easy, the protection seal wire not fragile; also can strengthen the seal wire diameter, improve the holmium laser power, very favourable to improving calculifragous efficiency.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of the adjustable ureterorenoscope of head end soft or hard of the present utility model.
Fig. 2 is the cutaway view of the D-D in Fig. 1.
Fig. 3 is the open enlarged diagram of bending section in Fig. 1.
Fig. 4 is the enlarged diagram of the bending of the bending section in Fig. 1.
Fig. 5 is the cross-sectional schematic of the sheath Guan Yujing body coupling part in Fig. 1.
Fig. 6 is the cross-sectional schematic of the telescoping mechanism in Fig. 5.
Fig. 7 is the cross-sectional schematic of the mounting mechanism in Fig. 5.
Fig. 8 is the front view of the cross structure in Fig. 5.
Fig. 9 is the top view of Fig. 8.
Figure 10 is the amplification view of E-E in Fig. 8.
Figure 11 is the schematic diagram that traditional mirror body enters inferior calyx.
Figure 12 is the schematic diagram that mirror body of the present utility model enters inferior calyx.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical scheme of utility model is described in further detail.
Embodiment:
As shown in Figure 1, the ureterorenoscope that the head end soft or hard is adjustable, comprise operating main body 4, and operating main body 4 is connected with mirror pipe 17, and mirror pipe 17 is outer is socketed with sheath pipe 6, and the length of sheath pipe 6 is less than the length of mirror pipe 17.Wherein operating main body 4 comprises mirror body 27, mounting mechanism and the telescoping mechanism connected successively; Mirror pipe 17 comprises insertion section 9, bending section 7 and the first end 8 connected successively, and insertion section 9 is connected with mirror body 27, and first end 8 is equipped with objective lens.Telescoping mechanism is positioned at an end of sheath pipe 6, and telescoping mechanism is connected with mirror body 27 by mounting mechanism.Offer seal wire mouth 1 and liquid injection port 2 in the rear end of operating main body 4, be provided with the crank handle 3 of controlling bending section 7 bendings at the middle part of operating main body 4, be provided with optical socket 11 in the side of operating main body 4 and the mouth 12 that leaks hunting, be connected with an eyeshield 14 on operating main body 4, focussing knob 13 is installed on eyeshield 14.Seal wire mouth 1 and liquid injection port 2 are positioned on same axis with operating main body 4, and eyeshield 14 is " Y " font with operating main body 4 and arranges.Front end at operating main body 4 is provided with attraction mouth 10 and flexible button 5.
As shown in Figure 2, be provided with instrument channel 15 and imaging band 16 in mirror pipe 17, all the other space-fillings of mirror pipe have light guide bundles 38, and light guide bundles 38 is inserted in mirror pipe 17 by optical socket 11.At mirror pipe 17 and the outer formation exhalant canal 19 of sheath pipe 6, instrument channel 15 is interior can intake and the Di Ji light transmitting filament.Seal wire mouth 1 is connected with the instrument channel 15 in the mirror pipe with liquid injection port 2, attract mouthfuls 10 with sheath pipe 6 and mirror pipe 17 between the exhalant canal 19 that forms be connected.In operation in order to rinse the broken end of visual field and calculus, the interior water inlet of instrument channel 15, exhalant canal 19 water outlets that form between mirror body and sheath pipe, form a complete circulating water channel, when water outlet, can also, attracting mouth 10 to be attracted, reduce injection pressure in kidney simultaneously.
As shown in Figures 3 and 4, bending section 7 is to be saved and connected and composed by snake bone 18 1.Snake bone 18 is less than near the pitch T2 between the snake bone 18 of insertion section one end near the pitch T1 between the snake bone of an end of first end 8, and snake bone corner cut β 1 is greater than β 2.When snake bone work is crooked like this, just can reach front end radius of curvature R 1 little, the effect that rear end radius of curvature R 2 is large.
As shown in Fig. 5 and 6 and 7, telescoping mechanism is connected with mounting mechanism by cross structure 25.Telescoping mechanism comprises flexible main body 23, body cover 30, flexible button 22, locking cap 20 and slide bushing 24.Flexible main body 23 is cylinder, at flexible main body 23 center, is provided with through hole, and cross structure 25, through through hole, is socketed with slide bushing 24 outside cross structure 25, and slide bushing 24 adopts the PTFE material manufacture.Offer a holding tank on flexible main body 23, flexible button 22 is housed in holding tank, the lower end of flexible button 22 is equipped with sheet spring 31.The outer body cover 30 that is socketed with of flexible main body 23, one end of sheet spring 31 is connected to the below of flexible button 22, an other end is connected on body cover 31, press flexible button 22, flexible main body 23 can be moved on cross structure 25, unclamps flexible button 23, elastic reaction due to sheet spring 31, button 22 jack-up of stretching, flexible button 22 directly snaps fit onto in the detent 29 on cross structure 25, thus the main body 23 of stretching is fixed with the relative position of cross structure 25.Flexible main body 23 has been threaded connection locking cap 20; locking cap 20 comprises outer layer protection body and internal layer connector 21; internal layer connector 21 is provided with external screw thread, and flexible main body 23 inwalls are provided with female thread, and locking cap is connected with flexible main body 23 by internal layer connector 21.Center at locking cap is provided with through hole equally, be plugged with sheath pipe 6 in through hole, the outer wall of sheath pipe 6 and the inwall of locking cap gummed, and locking cap 20 is connected with flexible main body 23, flexible main body 23 can be moved on cross structure 25, thereby drives 6 side-to-side movements of sheath pipe, has controlled the overlap length of sheath pipe 6 with mirror pipe 17, thereby can control the length that bending section 7 stretches out sheath pipe 6, realize the exchange of soft lens and hard mirror.Between sheath pipe 6 and cross structure 25, overlapping position is equipped with slide bushing 24, and slide bushing 24 not only can play the effect of effective reduction resistance to sliding, can realize sealing recirculated water simultaneously.Mirror pipe 17 stretches out outside sheath pipe 6 through cross structure 25 and sheath pipe 6.The left end of cross structure 25 is provided with projection 36, and projection 36 is connected on slide bushing 24, when flexible main body moves to high order end, carries out stop bit.
One end of cross structure 25 and flexible main body 23 are flexibly connected, and the other end of cross structure 25 is fixed on mounting mechanism.Mounting mechanism comprises union joint 26, and the end of cross structure 25 is plugged in union joint 26 and glues together with union joint.One end of union joint 26 is fixedly connected with cross structure 25, and the other end of union joint 26 is connected with mirror body 27 is dismountable by lock nut 35, on union joint 26 and mirror body 27 phase contact surfaces, is provided with alignment pin 32 and sealing ring 34.First the end face of union joint is installed to sealing ring 34, then by alignment pin 32 location, by union joint 26 and 27 alignment of mirror body, be preinstalled with lock nut 35 in mirror body 27, lock nut 35 is stepped, cover connected nut 33 on mirror body 27, by nut 33 by lock nut 35 fixing and lockings on mirror body 27, can make the gap of lock nut 35 on mirror body 27 suitable, make lock nut 35 freely to rotate simultaneously, but shaftless to play.And then rotation lock nut 35, union joint 26 is fixing with mirror body 27.Offer on union joint 26 and attract mouthfuls 10, attract mouthfuls 10 with mirror pipe and sheath pipe between the exhalant canal 19 that forms be communicated with.During separation, as long as rotate lock nut 35, union joint 26 just can exit.After separation, lock nut 35, nut 33, alignment pin 32, sealing ring 34 etc. belong to the mirror body, participate in the mirror sterilization, and telescoping mechanism, because of pure metal parts formation, can be carried out stricter disinfectant program.Sealing ring is for preventing the water outlet loop leakage.
As shown in Fig. 8 and 9 and 10, cross structure 25 is cylinder, being greater than mirror pipe 17 diameters of the diameter of cross structure 25 and be less than sheath pipe 6 diameters.It above cross structure 25, is plane 37, be provided with scale: A, B, C on plane 37, be provided with three detents 29 below cross structure, detent 29 is corresponding with scale, when sliding into " A " position, mean hard specular state fully, " B " means the searching ureteric orifice state of head end trace bendable, " C " means the searching inferior calyx state of half bendable of head end, falls back on the end fully to mean full case of bending.The length of cross structure and each draw-in groove position are well-designed according to the duty of mirror.The diameter of cross structure can not be too large, slides because there is the sheath pipe in the outside, and will insert human urethra in the operation of sheath pipe.Flexible sheath pipe generally is limited in below Fr20.
During use, first end, bending section, insertion section form the elongated and insertion tube of rigidity jointly.Before operation, the operation crank handle stretches bending section, and ureterorenoscope is inserted to the sheath pipe and linked into an integrated entity with operating main body (mirror body) fast, controls the position of button on the mirror body of stretching, and can change the soft or hard state of mirror front end.When flexible button is positioned at upper position-arresting, at this moment in the whole indentation sheath of bending section pipe, and first termination is exposed the sheath pipe just, decontrols flexible button, fixes the two relative position.Equipment has just formed the ureterscopy of a standard like this, at visual lower insertion urethra, advances bladder, prolongs ureter and boosts.After termination enters renal pelvis in the ban, press the flexible sheath of flexible button maintenance and position of human body constant, the mirror body is slowly up pushed away, control as required the length that bending section stretches out the sheath pipe, the operation crank handle is regulated first end angle of bend, in order to find the calculus at each position.When flexible button reaches lower position-arresting, bending section stretches out the sheath pipe fully, and at this moment equipment has just formed a flexible rigid ureterorenoscope of head end.Crooked position is pressed ureter soft lens design fully, because the flexible part length of stretching out can be regulated, makes camera lens stretch into the energy force rate soft lens of small cup, kidney inferior calyx on kidney more powerful.Pass the objective lens on the fine front termination tip head of picture picture, rear termination is positioned at the focusing eyepiece on operating portion.Naked eyes can be observed image at eyepiece eyeshield place, also can connect the CCD interface, from monitor, observe.The optical socket of illumination light from operating portion enters, and delivers to tip by light-conductive optic fibre, illumination field of view.The holmium laser seal wire that rubble is used, insert from the seal wire mouth, along instrument channel until stretch out first termination, aims at calculus and carry out rubble.Recirculated water enters from liquid injection port, along instrument channel, from first termination, flows out, and is used for rinsing camera lens and broken calculus powder.Recirculation water flows out from the gap of mirror bar and flexible sheath, until attract mouth to be sucked out.The equipment test of all will being leaked hunting before and after each the use, checked on the mouth that leaks hunting by leak detector (auxiliary device).
When the ureter soft lens is worked in renal pelvis, in order to enter each renal calices (upper small cup, middle small cup, inferior calyx), need to carry out bending to first termination, angle of bend can be controlled by crank handle, but bending length is changeless, to the calculus of some specific paries, as inferior calyx, because of near ureteric orifice, be difficult on the contrary enter.To the location of the calculus of these specific paries, even the abundant doctor of soft lens operating experience, by advanced import equipment, also will be taken for a long time and just can complete.In order to overcome the deficiency on existing soft lens, this utility model is achieved by the method for flexible sheath pipe.Shown in Figure 11, existing soft lens enters the inferior calyx difficulty, and it is easy that the mirror of this utility model shown in Figure 12 enters inferior calyx.
Claims (10)
1. the adjustable ureterorenoscope of head end soft or hard, comprise operating main body, and operating main body is connected with the mirror pipe, it is characterized in that: operating main body comprises mirror body, mounting mechanism and the telescoping mechanism connected successively; Described mirror pipe comprises insertion section, bending section and the first end connected successively; Wherein insertion section is connected with the mirror body, is socketed with the sheath pipe outside the mirror pipe, and the length of sheath pipe is less than the length of mirror pipe, and telescoping mechanism is positioned at an end of sheath pipe, and telescoping mechanism is connected with the mirror body by mounting mechanism.
2. the adjustable ureterorenoscope of head end soft or hard according to claim 1, it is characterized in that: described telescoping mechanism is connected with mounting mechanism by cross structure, described telescoping mechanism comprises flexible main body, sheath pipe and cross structure join by flexible main body, sheath pipe and flexible main body are fixed, and flexible main body and cross structure are slidably connected, and cross structure is fixedly connected with mounting mechanism, the mirror pipe is positioned at the passage that sheath pipe and cross structure are linked to be, and mirror Guan Yujing body is connected.
3. the adjustable ureterorenoscope of head end soft or hard according to claim 2, it is characterized in that: an end of described flexible main body is connected with locking cap, the sheath pipe is fixedly connected with locking cap, be provided with slide bushing between flexible main body and cross structure, slide bushing is socketed on cross structure, on described flexible main body, control piece is installed, described control piece center is provided with through hole, the top of control piece is provided with flexible button, and flexible button is positioned at outside flexible main body, and the below of control piece is provided with elastomer; Be provided with detent on cross structure, cross structure is through the through hole at control piece center, and the below of control piece is connected in detent by elastomeric pressure.
4. the adjustable ureterorenoscope of head end soft or hard according to claim 3, it is characterized in that: described flexible main body is socketed with body cover outward, and described locking cap and flexible main body are threaded connection.
5. the adjustable ureterorenoscope of head end soft or hard according to claim 2, it is characterized in that: described cross structure is cylinder, the size of the diameter of cross structure is between mirror pipe diameter and sheath pipe diameter, it above cross structure, is plane, be provided with in the plane scale, be provided with three detents below cross structure, detent is corresponding with scale, the end joined in cross structure and flexible main body is provided with projection, and projection is connected on the end face of flexible main body.
6. according to the adjustable ureterorenoscope of the described head end soft or hard of claim 1 to 5 any one, it is characterized in that: described mounting mechanism comprises union joint, one end of union joint is fixedly connected with cross structure, the other end of union joint is connected with the mirror body is dismountable by lock nut, on union joint and mirror body phase contact surface, is provided with alignment pin and sealing ring.
7. according to the adjustable ureterorenoscope of the described head end soft or hard of claim 1 to 5 any one, it is characterized in that: the tail end of described operating main body is provided with liquid injection port and seal wire mouth, the seal wire insert port keeps coaxial with the mirror pipe, be provided with crank handle and the optical socket of controlling bending section at the middle part of operating main body, at the front end of operating main body, be provided with and attract mouthful; Be provided with imaging band and instrument channel in the mirror pipe, between mirror pipe and sheath pipe, form liquid outlet channel; Liquid injection port is connected with instrument channel with the seal wire mouth, attracts mouth to be connected with liquid outlet channel.
8. the adjustable ureterorenoscope of head end soft or hard according to claim 6, it is characterized in that: the tail end of described mirror body is provided with liquid injection port and seal wire mouth, the seal wire insert port keeps coaxial with the mirror pipe, be provided with crank handle and the optical socket of controlling bending section at the middle part of mirror body, be provided with on union joint and attract mouth; Be provided with imaging band and instrument channel in the mirror pipe, between mirror pipe and sheath pipe, form liquid outlet channel; Liquid injection port is connected with instrument channel with the seal wire mouth, attracts mouth to be connected with liquid outlet channel, and optical socket is connected with imaging band.
9. according to the adjustable ureterorenoscope of the described head end soft or hard of claim 1 to 5 any one, it is characterized in that: described bending section is to have snake bone to connect and compose, and is less than the pitch that respectively saves snake bone of close insertion section near the pitch that respectively saves snake bone of first end.
10. according to the adjustable ureterorenoscope of the described head end soft or hard of claim 1 to 5 any one, it is characterized in that: be connected with eyeshield on described operating main body, eyeshield and operating main body form " Y " font, in the side of operating main body, are provided with the side leakage mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320431824.5U CN203379104U (en) | 2013-07-19 | 2013-07-19 | Ureter nephroscope with hardness-adjustable head end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320431824.5U CN203379104U (en) | 2013-07-19 | 2013-07-19 | Ureter nephroscope with hardness-adjustable head end |
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| Publication Number | Publication Date |
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| CN203379104U true CN203379104U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320431824.5U Withdrawn - After Issue CN203379104U (en) | 2013-07-19 | 2013-07-19 | Ureter nephroscope with hardness-adjustable head end |
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| CN (1) | CN203379104U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405261A (en) * | 2013-07-19 | 2013-11-27 | 杭州好克光电仪器有限公司 | Ureter nephroscope with bendable head end |
| CN104622566A (en) * | 2015-01-23 | 2015-05-20 | 诸暨市鹏天医疗器械有限公司 | Electric snare allowing water injection |
| CN104997481A (en) * | 2015-08-13 | 2015-10-28 | 常州延顺光电科技有限公司 | Main hose device of colonoscope |
| CN105662325A (en) * | 2014-11-24 | 2016-06-15 | 上海安清医疗器械有限公司 | Electronic laryngoscope |
| CN110495949A (en) * | 2019-08-30 | 2019-11-26 | 湖南埃普特医疗器械有限公司 | A kind of open irrigated ablation catheters |
| CN113855161A (en) * | 2021-10-27 | 2021-12-31 | 纯派生活武汉科技有限公司 | Ureter soft endoscope sheath and continuous circulation type perfusion and suction system |
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2013
- 2013-07-19 CN CN201320431824.5U patent/CN203379104U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103405261A (en) * | 2013-07-19 | 2013-11-27 | 杭州好克光电仪器有限公司 | Ureter nephroscope with bendable head end |
| WO2015007233A1 (en) * | 2013-07-19 | 2015-01-22 | Sun Yinghao | Ureterorenoscope with bendable head end |
| CN103405261B (en) * | 2013-07-19 | 2016-02-03 | 孙颖浩 | The flexible ureterorenoscope of a kind of head end |
| CN105662325A (en) * | 2014-11-24 | 2016-06-15 | 上海安清医疗器械有限公司 | Electronic laryngoscope |
| CN105662325B (en) * | 2014-11-24 | 2023-05-16 | 上海安清医疗器械有限公司 | Electronic laryngoscope |
| CN104622566A (en) * | 2015-01-23 | 2015-05-20 | 诸暨市鹏天医疗器械有限公司 | Electric snare allowing water injection |
| CN104997481A (en) * | 2015-08-13 | 2015-10-28 | 常州延顺光电科技有限公司 | Main hose device of colonoscope |
| CN110495949A (en) * | 2019-08-30 | 2019-11-26 | 湖南埃普特医疗器械有限公司 | A kind of open irrigated ablation catheters |
| CN113855161A (en) * | 2021-10-27 | 2021-12-31 | 纯派生活武汉科技有限公司 | Ureter soft endoscope sheath and continuous circulation type perfusion and suction system |
| CN113855161B (en) * | 2021-10-27 | 2023-06-23 | 纯派生活武汉科技有限公司 | Ureteral soft lens sheath and continuous circulation type perfusion and suction system |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140108 Effective date of abandoning: 20160203 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |